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Journal articles on the topic 'Alumni affinity'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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1

Drezner, Noah D., and Jason C. Garvey. "LGBTQ Alumni Philanthropy." Nonprofit and Voluntary Sector Quarterly 45, no. 1_suppl (2015): 52S—71S. http://dx.doi.org/10.1177/0899764015597780.

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Using a constructivist case study analysis, we explore philanthropy toward higher education among lesbian, gay, bisexual, transgender, and queer (LGBTQ) alumni, examining how a person’s LGBTQ identity and experiences (un)consciously affects his, her, or hir1 decision to give philanthropically. Data come from focus groups with 37 advancement staff and 23 LGBTQ alumni at two research extensive universities. Findings reveal unconscious influences of LGBTQ identities on giving, importance of campus climate for LGBTQ individuals, and LGBTQ alumni affinity group involvement. We draw implications from our findings, discussing the need to create a warm campus climate for current students, increase and encourage involvement within LGBTQ affinity groups, systematize data collection to include LGBTQ identities, and develop culturally sensitive solicitations.
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2

Fresk, Kara L., and Richard H. Mullendore. "Connecting Student Employment, Involvement, and Alumni Affinity." Recreational Sports Journal 36, no. 2 (2012): 140–51. http://dx.doi.org/10.1123/rsj.36.2.140.

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Previous research indicates that student employment serves as a means of campus involvement. Additional literature indicates that campus involvement promotes alumni affinity. This study proposes that the missing link between student employment as involvement and alumni affinity lies in the students' perceptions of involvement. Therefore, this study explored whether student employees view their employment as an involvement opportunity and the factors that influence those perceptions. Understanding the factors that contribute to perceptions of involvement allows campus recreation professionals to structure employment experiences that are recognized by students as involvement, thereby promoting long-term affinity for the institution. The findings indicate that students perceive their employment as involvement, though to varying degrees. The factors contributing to those perceptions include a) time spent in the work environment, b) alignment with personal interests, c) relationships with coworkers, d) relationships with supervisors, e) affiliation to program area, and f) interaction with the campus community.
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3

Worthington, Steve, and Suzanne Horne. "Alumni affinity credit cards: making the relationship work." International Journal of Bank Marketing 13, no. 5 (1995): 24–30. http://dx.doi.org/10.1108/02652329510092185.

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4

Worthington, Steve. "Affinity credit card issuers and their relationship with their alumni affinity group partners." International Journal of Bank Marketing 15, no. 2 (1997): 39–47. http://dx.doi.org/10.1108/02652329710160448.

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5

Worthington, Steve, and Suzanne Home. "Relationship marketing: The case of the university alumni affinity credit card." Journal of Marketing Management 12, no. 1-3 (1996): 189–99. http://dx.doi.org/10.1080/0267257x.1996.9964408.

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6

McAlexander, James H., Harold F. Koenig, and Beth DuFault. "Millennials and Boomers: increasing alumni affinity and intent to give by target market segmentation." International Journal of Nonprofit and Voluntary Sector Marketing 21, no. 2 (2015): 82–95. http://dx.doi.org/10.1002/nvsm.1544.

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7

Khojir, Khojir. "The Pesantren Network in Samarinda." Jurnal Pendidikan Islam 5, no. 2 (2016): 213. http://dx.doi.org/10.14421/jpi.2016.52.213-233.

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The aim of this research is to reveal the model, the consistency, and the implication of pesantren network in Samarinda. This is a qualitative research based on sociology, phenomenology, and educational approach. The research was conducted within the total of 37 pesantren in Samarinda which were chosen based on their geographical sites, genealogical aspect, scientific affinity, as well as their tendency toward certain social organization. The geographical network consists of pesantren in South Kalimantan, South Sulawesi, East Java, Central Java, and Jambi. The result shows that this kind of network bears two forms namely direct genealogy and family relationship. Meanwhile, the network of social organization entails pesantren of Nahdlatul Ulama (NU), Muhammadiyah, LDII, Jama’ah Tabligh, and Suffah Hizbullah. Furthermore, the network of scientific affinity comprises language science, physical/martial art, and sanad Al-Qur’an. The model of the pesantren network is established through pesantren alumnae’s journey into new places or by Islamic preaching, alumni empowerment, cadres’ regeneration, and service. The degree of consistency is categorized into three levels, namely, consistent, inconsistent, and modification. This network contributes to the development of pesantren and society in Samarinda.
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8

Dianto, Erry, Saibul Anwar, Husnawati Husnawati, and Zurnalis Zurnalis. "BNI Marketing Strategy for Credit Cards in Dealing Global Competition in State Bank Indonesia (Persero) Tbk Banda Aceh Branch Office." Budapest International Research and Critics Institute (BIRCI-Journal): Humanities and Social Sciences 3, no. 2 (2020): 1134–46. http://dx.doi.org/10.33258/birci.v3i2.953.

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This study aims to analyze the marketing strategy of BNI Credit Cards in the face of global competition at PT. Bank Negara Indonesia (Persero) Tbk Banda Aceh Branch Office. This study uses a qualitative approach with a descriptive type where the type of data used is secondary data sourced from various reports and documentation from PT. Bank Negara Indonesia (Persero) Tbk Banda Aceh Branch Office. The results of this study indicate that in marketing BNI Banda Aceh Branch credit cards a strategy that can be used is a marketing strategy that differentiates the market (Differentiated marketing), which is to determine the target market segmentation in accordance with the target types of credit card products that are in accordance with the segmentation. The Banda Aceh BNI branch also uses a concentrated marketing strategy such as the marketing of BNI-Unsyiah affinity Credit Cards which is focused on alumni of Syiah Kuala University throughout Indonesia. Besides that, another strategy used by the Banda Aceh BNI branch in marketing BNI Credit Cards is by issuing pre aproval credit cards, where certain customers in accordance with applicable regulations are directly proposed to issue credit cards on behalf of these customers, if the customer agrees for card issuance, the card can be activated immediately. Furthermore, BNI provides the convenience of non-cash transactions through the YAP (Your All Payment) application as a payment tool for (cashless) and without showing the debit card or credit card (Cardless) through a smartphone. This YAP application is an advantage owned by BNI and the first in Indonesia.
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9

Richmond, Dan, Jim Sibthorp, and Cait Wilson. "Understanding the Role of Summer Camps in the Learning Landscape: An Exploratory Sequential Study." Journal of Youth Development 14, no. 3 (2019): 9–30. http://dx.doi.org/10.5195/jyd.2019.780.

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Summer camp is an important setting within the learning landscape of youth—a landscape that also includes school, sports, arts and music, religious settings, home, and eventually, work. While research on camp outcomes is abundant, practitioners and policymakers have little empirical evidence that summer camp participation offers long-term impact and value. The purpose of this study was to build on existing camp research to identify learning outcomes that are highly attributable to camp participation and to determine whether these outcomes are considered important in everyday life. A second purpose was to identify other settings that may contribute to learning outcomes often associated with camp participation. This study used mixed methods design and involved a national sample of 352 individuals (18-25 years old) who had attended camp for at least 3 weeks in their youth and had not worked at a camp. Alumni reported that the development of independence, perseverance, responsibility, appreciation for differences, and appreciation for being present were camp-related outcomes that were highly attributable to their camp experiences and that these outcomes were also of high importance in daily life. Among all outcomes that were highly attributable to camp, study participants noted that camp was a primary setting for developing affinity for nature, how to live with peers, leisure skills, a willingness to try new things, independence, being present, and empathy and compassion. School and home were primary learning settings for other outcomes. Findings from this study help identify where camp is particularly effective in promoting lasting outcomes and areas where camps may need more intentionality and resources.
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10

Shinzato, S., Takashi Nakamura, Koji Goto та Tadashi Kokubo. "Alumina Powder Containing δ, γ Crystal Phases: Evaluation of Osteoconductivity". Key Engineering Materials 309-311 (травень 2006): 789–92. http://dx.doi.org/10.4028/www.scientific.net/kem.309-311.789.

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Alumina powder containing δ , δ crystal phases (designated δAP) showed osteoconductivity. δAP was manufactured by fusing pulverized alumina powder and quenching it. The purpose of the present study was to evaluate osteoconductivity of δAP using rat tibiae. Alumina powder containing αcrystal phase (designated αAP) was used as a reference material. These two types of alumina powder were packed into the intramedullary canals of rat tibiae to evaluate osteoconductivity, as determined by an affinity index. Rats were sacrificed at 4 and 8 weeks after surgery. The affinity index, equal to the length of bone in direct contact with the powder surface expressed as a percentage of the total length of the powder surface, was calculated for each alumina powder at each interval. At 4 and 8 weeks, the affinity indices for δAP were significantly higher than those for αAP. For both δAP and αAP, there were no significant differences between the values for 4 and 8 weeks. This study revealed that the osteoconductivity of δAP was due to the alumina’s δcrystal phases. δAP shows promise as a basis for developing a osteoconductive biomaterial.
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11

Sugunan, Sankaran, and Jacob M. Jalaja. "Electron Donating and Acid-Base Properties of Cerium Oxide and Its Mixed Oxides with Alumina." Collection of Czechoslovak Chemical Communications 59, no. 12 (1994): 2604–10. http://dx.doi.org/10.1135/cccc19942604.

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The electron donating properties of ceria activated at 300, 500 and 800 °C and its mixed oxides with alumina are reported from the studies on adsorption of electron acceptors of various electron affinity. The surface acidity/basicity of the oxides have been determined by titration method and H0,max values are reported. The limit of electron transfer from oxide surface is between 1.77 and 2.40 eV in terms of the electron affinity of the electron acceptor. Ceria promotes the electron donating of alumina without changing the limit of electron transfer.
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12

Rahimizadeh, Mohammad, Esmaeel Rezaei Seresht, Mehdi Bakavoli, and Neda Golari. "The First Immobilisation of Glycoluril-Based Molecular Clips on Silica Gel and Alumina." Journal of Chemical Research 2007, no. 9 (2007): 525–27. http://dx.doi.org/10.3184/030823407x245606.

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The first example of immobilisation of some glycoluril-based molecular clips, which are good receptors for dihydroxybenzenes, on silica gel and alumina is described. 4,4′-Bis(methoxyphenyl)glycoluril was used as the base scaffold for the synthesis of molecular clips. After demethylation of the methoxy groups, the clip compounds were attached to silica gel and alumina using the linker (3-chloropropyl)trimethoxysilane. The resulting clip-functionalised silica gel and alumina could be applied as a stationary phase in an affinity chromatography technique for the separation and purification of dihydroxybenzenes and the more important biologically active catecholamines.
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13

Su, Cherng-Yuh, Jia-Liang Huang, Po-Chun Chen, Hsin-Jung Yu, Dai-Liang Ma, and Bang-Ying Yu. "A Low-Temperature Alumina/Copper Diffusion Bonding Process using La-Doped Titanium Interlayers." Coatings 8, no. 11 (2018): 401. http://dx.doi.org/10.3390/coatings8110401.

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Ceramic-to-metal heterojunctions have been established to improve high-temperature stability for applications in aerospace and harsh environments. In this work, we employed low-temperature diffusion bonding to realize an alumina/Cu heterogeneous joint. Using a thin layer of lanthanum-doped titanium (La-doped Ti) to metallize the alumina surface, we achieved the bonding at a temperature range of 250–350 °C. We produced a uniform, thermally stable, and high-strength alumina/Cu joint after a hot-press process in vacuum. Signals from X-ray diffraction (XRD) suggested the successful diffusion of Ti and La into the alumina substrate, as Ti can easily substitute Al in alumina, and La has a better oxygen affinity than that of Al. The transmission electron microscopy and XRD results also showed the existence of CuxTiyO phases without CuxTiy or LaOx. In addition, the bonding strength of alumina/copper hot-pressed at 250, 300, and 350 °C were 7.5, 9.8 and 15.0 MPa, respectively. The process developed in this study successfully lowered the bonding temperature for the alumina/copper joint.
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14

Izrael-Zivkovic, Lidija, Ljiljana Zivkovic, Bojan Jokic, Andrija Savic, and Ivanka Karadzic. "Adsorption of Candida rugosa lipase onto alumina: Effect of surface charge." Journal of the Serbian Chemical Society 80, no. 9 (2015): 1113–25. http://dx.doi.org/10.2298/jsc150222035i.

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The impact of the surface charge of alumina support on the adsorption of Candida rugosa lipase has been investigated in terms of zeta potential of the adsorption partners. Lipase adhered onto alumina with similar efficiency under both repulsive and attractive electrostatic conditions, shifting the zeta potential of the support towards that of the enzyme. The behavior was explained by a heterogeneous distribution of the surface charge of the lipase molecule. Special emphasis in this study was placed on the effect of immobilization on enzyme kinetics and principal reasons for enzyme immobilization: improvement in stability and potential for reuse. The enzyme affinity was not altered by its adsorption onto alumina, while Vmax of the lipase decreased. Thermostability of adsorbed lipase was improved. Significant potential for reuse was found.
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15

Hayashi, K., K. Uenoyama, N. Matsuguchi, S. Nakagawa, and Y. Sugioka. "The affinity of bone to hydroxyapatite and alumina in experimentally induced osteoporosis." Journal of Arthroplasty 4, no. 3 (1989): 257–62. http://dx.doi.org/10.1016/s0883-5403(89)80022-1.

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16

Boss, Christophe, Eric Meurville, Jean-Michel Sallese, and Peter Ryser. "Size-selective diffusion in nanoporous alumina membranes for a glucose affinity sensor." Journal of Membrane Science 401-402 (May 2012): 217–21. http://dx.doi.org/10.1016/j.memsci.2012.02.004.

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17

Jean, Jau-Ho, and Tapan K. Gupta. "Devitrification inhibitor in binary borosilicate glass composite." Journal of Materials Research 8, no. 2 (1993): 356–63. http://dx.doi.org/10.1557/jmr.1993.0356.

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When an appropriate mixture of a low-softening borosilicate glass (BSG) and a high-softening high silica glass (HSG) is sintered at temperatures ranging from 800 to 1000 °C, a crystalline phase, identified as cristobalite by XRD, is known to precipitate out of the initial amorphous binary mixture of glasses as the sintering continues. The precipitation of cristobalite is found to originate in HSG, and is controlled by the transport of alkali ions (e.g., K+, Na+, and Li+) from BSG to HSG.1 In this paper, we report that when a small amount of alumina is present as a dopant in the above binary mixture of BSG and HSG, the cristobalite formation is completely prevented at the sintering temperatures investigated. The above result is attributed to a strong affinity between Al+3 from alumina and alkali ions from BSG, which diverts the diffusion of alkali ions from HSG to alumina, thus forming a K+ and Al+3-rich reaction layer adjacent to the alumina particles far too rapidly compared to that of cristobalite formation.
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18

Pizzio, Luis R., Patricia G. Vázquez, Carmen V. Cáceres, and Mirta N. Blanco. "Adsorption and Impregnation of Alumina with Molybdenum or Tungsten Solutions." Adsorption Science & Technology 13, no. 3 (1996): 165–76. http://dx.doi.org/10.1177/026361749601300303.

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The equilibrium parameters of molybdenum and tungsten adsorption on alumina were compared. Adsorptions were performed from aqueous solutions of monomeric or polymeric ions of these elements. For all solutions tested, molybdenum showed a greater affinity for alumina than tungsten. Assuming a pore-filling impregnation of alumina spheres, a model that interprets this process was used for the calculation of theoretical profiles which showed a smooth decrease in concentration along the sphere radius. In turn, the experimental profiles were similar to those predicted for impregnations with solutions of heptameric molybdate, monomeric molybdate and monomeric tungstate. For polymeric tungstate, however, the experimental tungsten concentration rapidly fell to zero near the sphere surface. Using diffuse reflectance spectroscopy, it was observed that the molybdenum was in tetrahedral and octahedral coordination in spheres impregnated with polymeric or monomeric molybdenum solutions; in addition, the ratio of the concentrations of these species was approximately the same. The species observed in spheres impregnated with tungsten solutions was monomeric tungstate, indicating a distortion in tetrahedral symmetry as a consequence of interaction with the alumina.
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19

Shi, Wei, Huihui Cao, Cunfeng Song, et al. "Poly(pyrrole-3-carboxylic acid)-alumina composite membrane for affinity adsorption of bilirubin." Journal of Membrane Science 353, no. 1-2 (2010): 151–58. http://dx.doi.org/10.1016/j.memsci.2010.02.048.

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20

Wiśniewska, Małgorzata, Teresa Urban, Elżbieta Grządka, Vladimir I. Zarko, and Vladimir M. Gun’ko. "Comparison of adsorption affinity of polyacrylic acid for surfaces of mixed silica–alumina." Colloid and Polymer Science 292, no. 3 (2013): 699–705. http://dx.doi.org/10.1007/s00396-013-3103-x.

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21

Cai, Weiquan, Lijun Tan, Jiaguo Yu, et al. "Synthesis of amino-functionalized mesoporous alumina with enhanced affinity towards Cr(VI) and CO2." Chemical Engineering Journal 239 (March 2014): 207–15. http://dx.doi.org/10.1016/j.cej.2013.11.011.

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22

Dass, Ghanshyam, Anil Kumar, and Manoj Kumar Kushwaha. "Renovate Tribological Properties of Nanostructured Alumina Templates by Diverse Electrolytes." Advanced Science, Engineering and Medicine 12, no. 6 (2020): 806–9. http://dx.doi.org/10.1166/asem.2020.2619.

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Friction and wear properties of NAAO templates were calculated in affinity to pore dimensions and applied load. Homogeneously uniformly decorative synthesized by anodization of nanoporous aluminium oxide films having 65–95 μm thick and pores of 143.5, 105, 84.4 nm diameter. A tribological competency of the material checked out with loads and 250 rpm on the pin on a dry wear disc. The anodized NAAO sample has wear resistance increased by 25% as compared to the non-anodized sample. The pore density little bit impressed the frictional characters of NAAO template. We counsel that these course templates basically contribute to the reduction of friction distrait the pore structure by proving energy-dispersive spectroscopy (EDS).
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23

Nemati, Mahdieh, Abel Santos, Cheryl Suwen Law, and Dusan Losic. "Assessment of Binding Affinity between Drugs and Human Serum Albumin Using Nanoporous Anodic Alumina Photonic Crystals." Analytical Chemistry 88, no. 11 (2016): 5971–80. http://dx.doi.org/10.1021/acs.analchem.6b00993.

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24

Torres-Torres, G., I. Cuauhtémoc-López, A. Espinosa de los Monteros, Dora Ma Frías-Márquez, J. C. Arévalo Pérez, and G. del Angel. "Water remediation contaminated with MTBE using a catalytic oxidation process in batch reactor: influence of the cerium loading on the activity and CO2 selectivity." Water Science and Technology 78, no. 7 (2018): 1509–16. http://dx.doi.org/10.2166/wst.2018.430.

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Abstract Destruction of methyl tert-butyl ether (MTBE) in liquid phase and in a batch reactor was studied using ruthenium catalysts over alumina support, modified with different cerium loadings. Ce loading increment causes an increase in the particle size from 1.26 nm to 2.3 nm, enhancing the MTBE oxidation (at 150 °C), and the selectivity toward CO2. The high catalytic activity of Ru/ACe10 is attributed to the species Ce4+-O2−-M that could favor the oxygen transfer between the catalyst surface and the adsorbed species by a redox mechanism. Thus, CeOx plays an important role in both enhancing the affinity between MTBE and catalyst during MTBE adsorption and promoting the catalytic activity for MTBE oxidation.
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25

Bouiahya, Khadija, A. Oulguidoum, and Abdelaziz Laghzizil. "Alumina-hydroxyapatite nanocomposites and their applications for the removal of phenolic compounds from water: A comparative study." E3S Web of Conferences 150 (2020): 02008. http://dx.doi.org/10.1051/e3sconf/202015002008.

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This study develops cost-effective adsorbents for the treatment of water contaminated with phenolic compounds, including Phenol (Ph), 2-Chlorophenol (2-CPh), and 2-Nitrophenol (2-NPh). Therefore, Alumina-Hydroxyapatite composites were prepared from natural phosphate in the presence of Al3+ ions characterized by various techniques and then the supplementary active sites on their surface may make a better contribution to the phenols remediation. It was concluded that the specific surface area, surface charge and Al content were very suitable for the more adsorptive removal. Results show that the 2-chlorophenol is the more affinity versus hydroxyapatite and its formed composites compared to 2-NPh and Ph in order 2-CPh>2-NPh>Ph.
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26

Pol, Laura, Laura Karen Acosta, Josep Ferré-Borrull, and Lluis F. Marsal. "Aptamer-Based Nanoporous Anodic Alumina Interferometric Biosensor for Real-Time Thrombin Detection." Sensors 19, no. 20 (2019): 4543. http://dx.doi.org/10.3390/s19204543.

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Aptamer biosensors are one of the most powerful techniques in biosensing. Achieving the best platform to use in aptamer biosensors typically includes crucial chemical modifications that enable aptamer immobilization on the surface in the most efficient manner. These chemical modifications must be well defined. In this work we propose nanoporous anodic alumina (NAA) chemically modified with streptavidin as a platform for aptamer immobilization. The immobilization of biotinylated thrombin binding aptamer (TBA) was monitored in real time by means of reflective interferometric spectroscopy (RIfS). The study has permitted to characterize in real time the path to immobilize TBA on the inner pore walls of NAA. Furthermore, this study provides an accurate label-free method to detect thrombin in real-time with high affinity and specificity.
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27

Adachi, Michiaki, Cristian Contescu, and James A. Schwarz. "The Use of Proton Affinity Distributions for the Characterization of Active Sites of Alumina-Supported Co–Mo Catalysts." Journal of Catalysis 158, no. 2 (1996): 411–19. http://dx.doi.org/10.1006/jcat.1996.0042.

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28

Choya, Andoni, Beatriz de Rivas, Jose Ignacio Gutiérrez-Ortiz, Juan Ramón González-Velasco, and Rubén López-Fonseca. "Synthesis, Characterization and Kinetic Behavior of Supported Cobalt Catalysts for Oxidative after-Treatment of Methane Lean Mixtures." Materials 12, no. 19 (2019): 3174. http://dx.doi.org/10.3390/ma12193174.

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The present work addresses the influence of the support on the catalytic behavior of Co3O4-based catalysts in the combustion of lean methane present in the exhaust gases from natural gas vehicular engines. Three different supports were selected, namely γ-alumina, magnesia and ceria and the corresponding catalysts were loaded with a nominal cobalt content of 30 wt. %. The samples were characterized by N2 physisorption, wavelength dispersive X-ray fluorescence (WDXRF), X-ray diffraction (XRD), Raman spectroscopy, X-ray photoelectron spectroscopy (XPS) and temperature-programmed reduction with hydrogen and methane. The performance was negatively influenced by a strong cobalt-support interaction, which in turn reduced the amount of active cobalt species as Co3O4. Hence, when alumina or magnesia supports were employed, the formation of CoAl2O4 or Co–Mg mixed oxides, respectively, with a low reducibility was evident, while ceria showed a lower affinity for deposited cobalt and this remained essentially as Co3O4. Furthermore, the observed partial insertion of Ce into the Co3O4 lattice played a beneficial role in promoting the oxygen mobility at low temperatures and consequently the catalytic activity. This catalyst also exhibited a good thermal stability while the presence of water vapor in the feedstream induced a partial inhibition, which was found to be completely reversible.
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29

Yean, S., L. Cong, C. T. Yavuz, et al. "Effect of magnetite particle size on adsorption and desorption of arsenite and arsenate." Journal of Materials Research 20, no. 12 (2005): 3255–64. http://dx.doi.org/10.1557/jmr.2005.0403.

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Numerous studies have examined arsenic adsorption on varying adsorbents including iron oxides, aluminum hydroxides, alumina, and carbon as a means of arsenic removal in drinking water treatments. The objectives of this study were to evaluate the effect of magnetite particle size on the adsorption and desorption behavior of arsenite and arsenate, and to investigate the competitive adsorption between natural organic matter (NOM) and arsenic. Increases in adsorption maximum capacities for arsenite and arsenate were observed with decreasing magnetite particle size. Arsenic desorption is hysteretic, more so with the smaller nanoparticles. Such desorption hysteresis might result from a higher arsenic affinity for magnetite nanoparticles. In the presence of NOM, substantial decrease in arsenic sorption to magnetite nanoparticles was observed. It would be beneficial to thoroughly investigate adsorption and desorption of arsenic on magnetite nanoparticles for further practical purposes.
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30

Zhao, Y., Z. M. Chen, X. L. Shen, and D. Huang. "Importance of atmospheric aging in reactivity of mineral dust aerosol: a case study of heterogeneous reaction of gaseous hydrogen peroxide on processed mineral particles." Atmospheric Chemistry and Physics Discussions 11, no. 10 (2011): 28563–86. http://dx.doi.org/10.5194/acpd-11-28563-2011.

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Abstract. Atmospheric aging and processing appears to alter physical and chemical properties of mineral dust aerosol and thus its role as reactive surface in the troposphere. Yet, previous studies in the atmosphere have mainly focused on the clean surfaces of mineral dust aerosol, and the reactivity of aged mineral aerosol toward atmospheric trace gases is still poorly recognized. This work presents the first laboratory investigation of heterogeneous reactions of gaseous hydrogen peroxide (H2O2), an important atmospheric oxidant, on the surface of HNO3 and SO2-processed alumina particles as surrogates of mineral dust aerosol aged by acidic trace gases as a function of relative humidity (RH) and surface coverage of coatings. Pretreatment of the alumina surfaces with HNO3 and SO2 has a strong impact on its reactivity toward H2O2 uptake. On HNO3-processed particles, because of the dual role of the nitrate coating in modifying the reactivity of the particle surface, namely blocking oxide active sites but altering surface hygroscopicity, H2O2 uptake seems to decrease in some cases whereas increase in other cases, largely depending on RH and surface coverage of nitrate. On SO2-processed particles, the presence of adsorbed S(IV) species appears to enhance the intrinsic reactivity of the alumina particles due to its affinity for H2O2, and the uptake of H2O2 increases by 40–80% in the range of RH from 25% to 92% relative to the unprocessed particles. However, when S(IV) is completely oxidized to S(VI), the alumina surface is significantly deactivated and the measured uptake of H2O2 decreased markedly. The mechanisms for heterogeneous reactions of H2O2 with these processed particles are discussed, as well as its potential implications on tropospheric chemistry. The results of our study suggest that the reactivity of mineral dust aerosol toward H2O2 and maybe other atmospheric trace gases will depend on the chemical nature and coverage of the coatings as well as ambient RH, and thus will vary considerably in different polluted atmosphere, which should be taken into account in current atmospheric models.
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31

Camra, J., E. Bielańska, A. Bernasik, et al. "Role of Al segregation and high affinity to oxygen in formation of adhesive alumina layers on FeCr alloy support." Catalysis Today 105, no. 3-4 (2005): 629–33. http://dx.doi.org/10.1016/j.cattod.2005.06.015.

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32

Kim, Ki-Joong, Young-Jae You, Min-Chul Chung, et al. "Effect of Nanosized Gold Particle Addition to Supported Metal Oxide Catalyst in Methanol Oxidation." Journal of Nanoscience and Nanotechnology 6, no. 11 (2006): 3589–93. http://dx.doi.org/10.1166/jnn.2006.17988.

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Gold has rarely been utilized as a catalytic component because of its poor affinity to chemical species. It is however known that nanosized gold particles promote the dissociation of oxygen or hydrogen. In this study, alumina-supported metal oxide catalysts were prepared by impregnation method and applied to methanol oxidation. The dispersion form and size of the gold particles were observed by transmission electron microscopy (TEM). In the results, the maximum catalytic activity was obtained over the ZnO/Al2O3 catalyst, and the optimum loading was 4 wt%. Furthermore, nanosized gold particles at various loadings were added to ZnO/Al2O3 catalyst by deposition method. The gold particles on Au/ZnO/Al2O3 catalyst were well dispersed and the catalyst activity was remarkably increased compared to ZnO/Al2O3 catalyst. The role of gold particles in the increased catalytic activity is discussed and a possible mechanism is presented.
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33

Jaffri, Shaan Bibi, Khuram Shahzad Ahmad, Mishkat Ul Saba, Gulistan Sher, and Maham Sharif. "Sorptive Interactions Evaluation of Benomyl Metabolites Mecarzole with the Varyingly Selected Minerals." International Journal of Economic and Environmental Geology 10, no. 2 (2019): 50–54. http://dx.doi.org/10.46660/ijeeg.vol10.iss2.2019.262.

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Soil and soil minerals are the primary recipients of different contaminates coming in immediate contact.Agricultural practices which are dominated by use of different agrochemicals have further aggravated the soil quality.Fungicides, aimed at the extermination, inhibition and growth retardation of fungal species in agricultural crops havebeen used frequently. Among such fungicides, Benzimidazole based fungicides are of prime significance due to theircomparatively improved annihilatory activity. Despite such frequent utilization, the reports on the reception andconsequent sorption of Benzimidazole fungicides are scarce. Current work has, for the first time, investigated theinteraction of Benzimidazole based fungicide, Mecarzole (metabolite of Benomyl fungicide and also known asCarbendazim) in the selected minerals i.e. corundum (alumina), silica, muscovite and montmorillonite. The interactionwas studied via standard equilibration method established in batches. Adsorption and desorption of Mecarzole in theselected minerals was evaluated by multilayer Linear and Freundlich model for different parameters i.e. Kd, Kf, Kfdesand Kdes. Linearity was exhibited by the minerals for attachment of Mecarzole. The highest values of Kd (6.93 mL. µg-1) and Kf (7.99 mL. µg-1) obtained for muscovite are indicative of the higher affinity of muscovite for Mecarzole incomparison to other three minerals. Excellent adsorption of Mecarzole in muscovite is suggestive of the fact thatMecarzole interacting with muscovite is not a threat towards lower soil profiles since there is a stronger bonding. Incontrast to muscovite, Mecarzole poorly adsorbed in alumina represents a threat to soils due to possible percolation ofpoorly adsorbed Mecarzole molecules.
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34

Jaffri, Shaan Bibi, Khuram Shahzad Ahmad, Mishkat Ul Saba, Gulistan Sher, and Maham Sharif. "Sorptive Interactions Evaluation of Benomyl Metabolites Mecarzole with the Varyingly Selected Minerals." International Journal of Economic and Environmental Geology 10, no. 2 (2019): 50–54. http://dx.doi.org/10.46660/ojs.v10i2.262.

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Soil and soil minerals are the primary recipients of different contaminates coming in immediate contact.Agricultural practices which are dominated by use of different agrochemicals have further aggravated the soil quality.Fungicides, aimed at the extermination, inhibition and growth retardation of fungal species in agricultural crops havebeen used frequently. Among such fungicides, Benzimidazole based fungicides are of prime significance due to theircomparatively improved annihilatory activity. Despite such frequent utilization, the reports on the reception andconsequent sorption of Benzimidazole fungicides are scarce. Current work has, for the first time, investigated theinteraction of Benzimidazole based fungicide, Mecarzole (metabolite of Benomyl fungicide and also known asCarbendazim) in the selected minerals i.e. corundum (alumina), silica, muscovite and montmorillonite. The interactionwas studied via standard equilibration method established in batches. Adsorption and desorption of Mecarzole in theselected minerals was evaluated by multilayer Linear and Freundlich model for different parameters i.e. Kd, Kf, Kfdesand Kdes. Linearity was exhibited by the minerals for attachment of Mecarzole. The highest values of Kd (6.93 mL. µg-1) and Kf (7.99 mL. µg-1) obtained for muscovite are indicative of the higher affinity of muscovite for Mecarzole incomparison to other three minerals. Excellent adsorption of Mecarzole in muscovite is suggestive of the fact thatMecarzole interacting with muscovite is not a threat towards lower soil profiles since there is a stronger bonding. Incontrast to muscovite, Mecarzole poorly adsorbed in alumina represents a threat to soils due to possible percolation ofpoorly adsorbed Mecarzole molecules.
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35

Hjiri, Mokhtar, Mohamed Aida та Giovanni Neri. "NO2 Selective Sensor Based on α-Fe2O3 Nanoparticles Synthesized via Hydrothermal Technique". Sensors 19, № 1 (2019): 167. http://dx.doi.org/10.3390/s19010167.

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In the present work, hematite (α-Fe2O3) nanopowders were successfully prepared via a hydrothermal route. The morphology and microstructure of the synthesized nanopowders were analyzed by using scanning and transmission electron microscopy (SEM and TEM, respectively) analysis and X-ray diffraction. Gas sensing devices were fabricated by printing α-Fe2O3 nanopowders on alumina substrates provided with an interdigitated platinum electrode. To determine the sensor sensitivity toward NO2, one of the main environmental pollutants, tests with low concentrations of NO2 in air were carried out. The results of sensing tests performed at the operating temperature of 200 °C have shown that the α-Fe2O3 sensor exhibits p-type semiconductor behavior and high sensitivity. Further, the dynamics exhibited by the sensor are also very fast. Lastly, to determine the selectivity of the α-Fe2O3 sensor, it was tested toward different gases. The sensor displayed large selectivity to nitrogen dioxide, which can be attributed to larger affinity towards NO2 in comparison to other pollutant gases present in the environment, such as CO and CO2.
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36

Bindi, R., P. Iacconi, D. Lapraz, and F. Petel. "The effective electron affinity estimation from the simultaneous detection of thermally stimulated luminescence and exoelectronic emission. Application to an -alumina single crystal." Journal of Physics D: Applied Physics 30, no. 1 (1997): 137–43. http://dx.doi.org/10.1088/0022-3727/30/1/017.

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37

Contini, Simona, Gianpiero Venturelli, Lorenzo Toscani, Silvio Capedri, and Mario Barbieri. "Cr-Zr-armalcolite-bearing lamproites of Cancarix, SE Spain." Mineralogical Magazine 57, no. 387 (1993): 203–16. http://dx.doi.org/10.1180/minmag.1993.057.387.02.

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AbstractLamproites with high MgO, high SiO2 affinity are abundant only in SE Spain where the Cancarix outcrop (in the province of Albacete) occurs. The rocks of Cancarix are peralkaline, saturated to oversaturated in silica, very high in K2O, Th and LREE. The mineralogy and petrography show some variations which depend on the conditions of emplacement and rate of cooling of the magma. The following phases may be present: olivine, phlogopite, K-amphibole, clinopyroxene, sanidine, orthopyroxene, apatite, and, in minor amounts, Cr-spinel, minerals of the pseudobrookite group, ilmenite, roedderite, dalyite, carbonate, analcime (probably pseudomorphous on leucite), a silica phase, rutile, pyrochlore (?), britholite (?) and glass. The lamproites of Cancarix contain Cr-Zrarmalcolite, which is typical of lunar basalts and which has been found also in kimberlites. The composition of early magmatic spinel and the occurrence of Cr-Zr-armalcolite indicate low oxygen fugacity for the primitive magma and related mantle source, in agreement with recent experimental data on lamproitic systems. The redox conditions changed during crystallisation, leading to increase of the Fe3+/Fe2+ ratio in the system. During the later stages of crystallisation, the residual melts/fluids were depleted in alumina and enriched in several components, e.g. Na, Zr, Fe, REE, C1, etc. stabilising Na-Fe-clinopyroxene, dalyte, arfvedsonitic rims around K-richterite and other alumina-free phases which, on a chemical basis, have been identified as britholite and pyrochlore. Rough comparison with experimental systems and the geochemistry of the rocks suggests that the magma was generated at shallow depth (≪20 kbar) in the lithospheric mantle, which, after early depletion, underwent strong enrichment in many 'incompatible' elements.
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38

Koppel, Rela, Monica Litvak, and Beka Solomon. "Affinity purification of a mannose-binding protein, a sensitive tool in the diagnostics of IgM, via site-directed phosphorylated mannan bound to alumina." Journal of Chromatography B: Biomedical Sciences and Applications 662, no. 2 (1994): 191–96. http://dx.doi.org/10.1016/0378-4347(94)00205-3.

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39

Ibrahim, Nazarudin, Rozita Osman, Azmui Abdullah, and Norashikin Saim. "Determination of Phthalate Plasticisers in Palm Oil Using Online Solid Phase Extraction-Liquid Chromatography (SPE-LC)." Journal of Chemistry 2014 (2014): 1–9. http://dx.doi.org/10.1155/2014/682975.

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Contamination of phthalates plasticisers to food has raised concern as some of the phthalates are suspected to be endocrine disruptors. The phthalates have high affinity with oily environment and analysing these chemicals in such matrices is difficult because of the trace amount of the analyte and interference from matrix. An online solid phase extraction (SPE) technique using a large volume (3.5 mL) injection was developed for the analysis of 6 common plasticisers in palm oil. A simple sample preparation involving alumina as a fat retainer and methanol : acetonitrile (1 : 1) as the extraction solvent was performed prior to the usage of online SPE-LC system. This system consists of two columns, C16for the solid phase extraction (SPE) and C18as the analytical column, and a photo diode array detector. The calibration curves were linear from 5 to 1000 μg L−1, with correlation coefficients above 0.99. The instrumental limit of detection was 3 μg L−1and satisfactory recovery was obtained. A screening on a few samples in the retail market revealed the presence of dibutyl phthalate (DBP) and butylbenzylphthalate (BBP) in the palm oil, with concentration less than 1 mg L−1.
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40

Alsobaai, A. "Storage of Nitrous Oxide (NOx) in Diesel Engine Exhaust Gas using Alumina-Based Catalysts: Preparation, Characterization, and Testing." Journal of Engineering Research [TJER] 14, no. 1 (2017): 64. http://dx.doi.org/10.24200/tjer.vol14iss1pp64-73.

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This work investigated the nitrous oxide (NOx) storage process using alumina-based catalysts (K2 O/Al2 O3 , CaO/Al2 O3, and BaO/Al2 O3 ). The feed was a synthetic exhaust gas containing 1,000 ppm of nitrogen monoxide (NO), 1,000 ppm i-C4 H10 , and an 8% O2 and N2 balance. The catalyst was carried out at temperatures between 250–450°C and a contact time of 20 minutes. It was found that NOx was effectively adsorbed in the presence of oxygen. The NOx storage capacity of K2 O/Al2 O3 was higher than that of BaO/Al2 O3. The NOx storage capacity for K2 O/Al2 O3 decreased with increasing temperature and achieved a maximum at 250°C. Potassium loading higher than 15% in the catalyst negatively affected the morphological properties. The combination of Ba and K loading in the catalyst led to an improvement in the catalytic activity compared to its single metal catalysts. As a conclusion, mixed metal oxide was a potential catalyst for de-NOx process in meeting the stringent diesel engine exhaust emissions regulations. The catalysts were characterized by a number of techniques and measurements, such as X-ray diffraction (XRD), electron affinity (EA), a scanning electron microscope (SEM), Brunner-Emmett-Teller (BET) to measure surface area, and pore volume and pore size distribution assessments.
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41

BIZI. "Activated Carbon and the Principal Mineral Constituents of a Natural Soil in the Presence of Carbamazepine." Water 11, no. 11 (2019): 2290. http://dx.doi.org/10.3390/w11112290.

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The presence of pharmaceutical residues in the different aquatic compartments is a major environmental issue. Carbamazepine (CBZ), a heterocyclic antiepileptic, which is neutral between pH 3 and 11, is known to resist biodegradation. Its elimination in wastewater treatment plants is below 20% regardless of the primary and/or secondary treatments currently implemented. Its presence in groundwater raises questions about soil permeability in relation to this molecule. In order to provide meaningful answers, the CBZ adsorption performances of the principal mineral constituents of a natural soil (alumina, quartz, goethite, haematite, kaolinite, montmorillonite, and a saponin stevensite) and of an industrial activated carbon were assessed. Prior to the batch adsorption tests, the texture, mineralogy, and zero point of charge of these products were determined. X-ray diffraction (XRD) and UV-visible spectrometry were used to characterize the CBZ used. With the exception of stevensite, these minerals did not adsorb CBZ. However, stevensite’s affinity for CBZ remained very low compared to that of activated carbon (235 mg/g, tap water), which proved to be the most appropriate product for eliminating CBZ. The π−π, CH−π, and hydrogen bonds are the basis for the interactions established between CBZ and activated carbon, and their combination increases the overall adsorption efficiency.
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42

Käämbre, H. "A comment on 'The effective electron affinity estimation from the simultaneous detection of thermally stimulated luminescence and exoelectronic emission. Application to an -alumina single crystal'." Journal of Physics D: Applied Physics 30, no. 13 (1997): 1961–62. http://dx.doi.org/10.1088/0022-3727/30/13/019.

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43

Ma, Xuxuan, Zhiqin Xu, Zhongbao Zhao, and Zhiyu Yi. "Identification of a new source for the Triassic Langjiexue Group: Evidence from a gabbro-diorite complex in the Gangdese magmatic belt and zircon microstructures from sandstones in the Tethyan Himalaya, southern Tibet." Geosphere 16, no. 1 (2019): 407–34. http://dx.doi.org/10.1130/ges02154.1.

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Abstract Considerable debate persists as to the Triassic paleogeographic framework of the Neotethys and the origin of the Late Triassic Langjiexue Group in the Tethyan Himalaya. Triassic magmatic rocks in the Gangdese belt and Late Triassic Langjiexue sediments play a pivotal role in addressing these issues. Geochronological, petrological, and geochemical analyses have been performed on the Middle Triassic gabbro-diorite complex (with crystallization ages of ca. 244–238 Ma) from the Gangdese belt. These plutonic rocks are characterized by relatively low MgO and high Al2O3 contents, calc-alkaline trends, and depletion of Nb, Ta, and Ti, resembling low-MgO high-alumina basalts or basaltic andesites. These plutonic rocks exhibit depleted whole-rock εNd(t) values of ∼+5 and zircon εHf(t) values peaking at ∼+14. These features resemble those of rocks in a subduction-related arc setting. We also completed detrital zircon U-Pb dating and microstructure analysis for the sandstones of the Langjiexue Group in the Tethyan Himalaya. Zircon grains with ages >300 Ma are dominated by preweathered and weathered surfaces as well as fairly rounded to completely rounded scales, indicating a high degree of polycyclicity. In contrast, 300–200 Ma ones are characterized by fresh surfaces and completely unrounded to poorly rounded scales, indicating nearby sources. Collectively, our data, combined with published results, support that the subduction initiation of the Neotethys began no later than the Middle Triassic. Arc-affinity magmatic rocks supplied some materials to the Langjiexue Group. This scenario sheds new light on the provenance of the Langjiexue Group and the Triassic paleogeography of the Neotethyan realm.
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44

Geanta, Victor, Ionelia Voiculescu, Radu Stefanoiu, et al. "Titanium Influence on the Microstructure of FeCrAl Alloys Used for 4R Generation Nuclear Power Plants." Revista de Chimie 70, no. 2 (2019): 549–54. http://dx.doi.org/10.37358/rc.19.2.6953.

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4R generation nuclear power plants should work with metallic material of the highest quality, capable to resist in maximum safe conditions for 25-30 years. FeCrAl alloys are capable of such performance, because of the resistance to: oxidation at high temperatures, corrosion, erosion and penetrating radiations in liquid metal environments. In addition, such materials are capable of forming on their surface some oxide layers, textured and self-renewable, with high adhesion to metallic substrates. These properties can be improved by microalloying with metal elements such as Ti, Zr, Y, Hf in amounts of 1 to 3%. These chemical elements have high affinity to oxygen, being able to stabilize the structure of the superficial layer of oxide (alumina) and to increase adhesion to the metallic substrate. The FeCrAl alloys microalloyed with titanium were obtained in a VAR (Vacuum Arc Remelting) equipment in argon atmosphere (99.99% purity). There were obtained three batches microalloyed with 0.5%, 1% and 1.5% titanium, preserving the same Fe-14Cr-5Al metal matrix. In order to determine the chemical composition of the oxide layer and of the sample bulk, the EDAX analysis was performed. Microstructural features were revealed using SEM analysis. The results showed the capacity of the FeCrAl alloy to form oxide layers, with different textures and rich in elements such as Al and Ti. The compositional analysis performed on FeCrAl samples microalloyed with 0.5, 1.0 and 1.5% Ti in the central zone shows a relatively similar composition compared to the technological calculations made, reflecting the homogeneity of the alloy. The microhardness measurements performed on the cross sections of the metallic samples attest values in the range 163-183 HV0.2, falling within the normal range for these materials. These values are influenced by the presence of the alloying elements in the metallic matrix and by the homogeneous arrangement of constituents.
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45

Halai, Mansur, and Peter Young. "Scanning electron microscopical observation of an osteoblast/osteoclast co-culture on micropatterned orthopaedic ceramics." Foot & Ankle Orthopaedics 3, no. 3 (2018): 2473011418S0023. http://dx.doi.org/10.1177/2473011418s00238.

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Category: Basic Sciences/Biologics Introduction/Purpose: In biomaterial engineering, the surface of an implant can influence cell differentiation, adhesion and affinity towards the implant. On contact with an implant, bone marrow-derived mesenchymal stromal cells (BMSCs) demonstrate differentiation towards bone forming osteoblasts, which can improve osteointegration. The process of micropatterning has been shown to improve osteointegration in polymers, but there are few reports surrounding ceramics. Several implants in forefoot surgery like the Moje metatarsal phalangeal joint replacement were made from smoother ceramic zirconia toughened alumina (ZTA). The aim was to establish whether the pits were specifically bioactive towards osteogenesis or were generally bioactive and would also stimulate osteoclastogenesis that could potentially lead to osteolysis. Methods: We established a co-culture of bone marrow-derived mesenchymal stromal cells (BMSCs) with osteoclast progenitor cells and to observe the response to micropatterned ZTA ceramics with 30 µm diameter pits compared to smooth controls. Micropatterned masks were fabricated using a standard photolithography and electroplating technique. Micropatterned ceramic substrates were produced by embossing of visco-plastic green ceramic tapes at room temperature followed by sintering. After informed consent was obtained from healthy patients undergoing routine total hip arthroplasty, bone marrow was aspirated from the femoral medullary canal. At day 3, non-adherent cells were removed within the supernatant and cultured separately until a confluent BMSC layer was identified. The co-culture was maintained up to specific time points (days 3, 7, 14, 21 and 28) with thrice weekly media exchange. At each time point, duplicate samples were fixed and prepared for analysis by scanning electron microscopy (SEM) with immuofluorescence and histochemical staining, Results: SEM analysis of the patterned materials demonstrated successful micropatterning of the ZTA ceramic with approximately 30 µm diameter, 1.7 µm depth pits due to sintering shrinkage. At the longest time-point (day 28), osteoclast-like cells were visible across the planar surfaces and had strong interactions with the ceramic grains. Podosomes were notable on some of the osteoclast membranes. On the pitted surfaces, we observed significantly less osteoclast-like cells. Also, pit bridging by macrophage-like cells was regularly noted. Nodular clusters of osteoblast-like cells were noted statistically more often on the micropatterned ceramics. Conclusion: These results demonstrated specific bioactivity of micropatterned ZTA ceramics towards osteogenesis, with more bone nodule formation and less osteoclastogenesis compared to planar controls. In addition, we found that that macrophage and osteoclast-like cells did not interact with the pits and formed fewer full-size osteoclast-like cells on the pitted surfaces. This may have a role when designing ceramic orthopaedic foot implants. We are now using this co-culture for research on other micropatterned biomaterials used in foot and ankle surgery.
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46

Alicea, Carly C. M., and Rupert Everol Johnson. "Creating Community Through Affinity Groups for Minority Students in Communication Sciences and Disorders." American Journal of Speech-Language Pathology, August 31, 2021, 1–4. http://dx.doi.org/10.1044/2021_ajslp-20-00342.

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This viewpoint article describes an effective model for creating and sustaining an affinity group for undergraduate and graduate students from racial and ethnic backgrounds historically underrepresented in the American Speech-Language-Hearing Association who are enrolled in communication sciences and disorders (CSD) programs at predominantly White institutions (PWIs). The Speech-Language Therapy & Audiology Minority Program (STAMP) at Nazareth College is an affinity group and mentorship program for undergraduate and graduate students, CSD program alumni, and area professionals who identify as minorities. Affinity groups have been shown to increase the sense of belonging of minority students at PWIs. At Nazareth College, we have observed this as students who participate in STAMP have reported that the program contributes to their feeling of belonging in the CSD department and at the institution and provides them with a safe place where they can share and discuss their experiences as minorities at a PWI. Additionally, our students have reported that participating in this affinity group supports their academic and clinical success and helps them manage their stress. By sharing our model for creating an affinity group for underrepresented CSD students at a PWI, we hope to encourage the establishment and support of groups like STAMP in CSD programs across the country. Considerations for departments considering starting their own affinity groups are discussed. STAMP, and other affinity groups, have the potential to grow by facilitating constructive discussion and collective action toward issues that significantly impact students from racial and ethnic minority backgrounds.
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47

Charbonneau-Gowdy, Paula A., and Héctor A. Magaña. "Insights for Community Outreach Building to Promote Lifelong Learning with Higher Education Alumni in Chile." Higher Learning Research Communications 10, no. 1 (2011). http://dx.doi.org/10.18870/hlrc.v10i1.1178.

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Despite conclusive evidence from high performing Higher Education (HE) institutions worldwide demonstrating the benefits of strong alumni-relations, institutions in many evolving countries often neglect their graduates. And this, despite rapid advances in technology that can support ongoing relations. The objective of our year-long project was to address this neglect. We (re)connected with 220 English Pedagogy alumni through a digital newsletter. The newsletter provided a forum for building community and mediating professional development among graduates and current faculty. Our qualitative mini case study focused on uncovering the emotions, perspectives and needs of former students through the lens of sociocultural and identity theory using a Likert scale questionnaire, field notes and writing-based interviews to collect data. Positive gains from this initiative were evidenced in clear signs of alumni’s increased recognition of their agency in mediating empowered professional identities through continuous learning. This recognition accompanied a trajectory of their investment in their professional development, characterized by a sense of affinity, then engagement with and support of the institution and community building. We believe these findings speak volumes of the potential of such outreach for all stakeholders in education, including society at large.
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48

Dianto, Erry, and Marlizar Marlizar. "STRATEGI PEMASARAN BNI KARTU KREDIT DALAM MENGHADAPI PERSAINGAN GLOBAL PADA PT. BANK NEGARA INDONESIA (PERSERO) Tbk KANTOR CABANG BANDA ACEH." Jurnal Ilmiah Manajemen Muhammadiyah Aceh 9, no. 2 (2019). http://dx.doi.org/10.37598/jimma.v9i2.979.

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Penelitian ini bertujuan adalah untuk menganalisis strategi pemasaran BNI Kartu Kredit dalam menghadapi persaingan global pada PT. Bank Negara Indonesia (Persero) Tbk Kantor Cabang Banda Aceh. Penelitian ini menggunakan pendekatan kualitatif dengan jenis deskriptif dimana jenis data yang digunakan adalah data sekunder yang bersumber dari berbagai laporan dan dokumentasi dari PT. Bank Negara Indonesia (Persero) Tbk Kantor Cabang Banda Aceh. Hasil penelitian ini menunjukkan bahwa dalam memasarkan kartu kredit BNI Cabang Banda Aceh strategi yang dapat digunakan adalah strategi pemasaran yang membeda-bedakan pasar (Differentiated marketing) yaitu menentukan segmentasi pasar yang akan dituju sesuai dengan target jenis produk kartu kredit yang dimiliki sesuai dengan segmentasinya. BNI Cabang Banda Aceh juga menggunakan strategi pemasaran yang terkonsentrasi (Concentrated Marketing) seperti pemasaran Kartu Kredit affinity BNI-Unsyiah yang difokuskan kepada alumni Universitas Syiah Kuala yang ada diseluruh Indonesia. Disamping itu strategi lain yang digunakan oleh BNI Cabang Banda Aceh dalam memasarkan BNI Kartu Kredit yaitu dengan cara menerbitkan kartu kredit pre aproval, dimana terhadap nasabah-nasabah tertentu sesuai dengan ketentuan yang berlaku langsung diusulkan untuk diterbitkan kartu kredit atas nama nasabah tersebut, apabila nasabah menyetujui atas penerbitan kartu tersebut langsung dapat dilakukan aktivasi kartu. Selanjutnya BNI memberikan kemudahan bertransaksi non tunai melalui aplikasi YAP (Your All Payment) sebagai alat pembayaran untuk (cashless) dan tanpa menunjukkan kartu debit atau kartu kreditnya (Cardless) melalui smartphone. Aplikasi YAP ini merupakan keunggulan yang dimiliki oleh BNI dan pertama di Indonesia.
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Villarreal-Valencia, Tania, Fiderman Machuca-Martínez, and Miguel Angel Mueses. "Synthesis, Characterization and Evaluation of an Adsorbent/Photocatalyst Type Alumina by Photodegradation of Methylene Blue." Journal of Advanced Oxidation Technologies 15, no. 2 (2012). http://dx.doi.org/10.1515/jaots-2012-0220.

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AbstractIn this paper, we present the synthesis, characterization and evaluation of a potential semiconductor obtained from industrial slugde of anodizing industry. The material was characterized using a proton distribution affinity, PDA and conventional techniques like: atomic absorption, free moisture, zero point charge (ZPC), XDR and BET. The material was treated to temperatures between 300 and 1200 °C. It was found that the synthesized oxide has a high concentration of α and γ-alumina which has octaedric structure and a shortage of superficial protons. The absorption and photodegradation of methylene blue show that the alumina can be used like absorbent and photocatalysts.
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50

Denis Flandre, Joris Proost. "Filamentous Phages Displaying Multivalent Peptide Motives With Specific Affinity To Anodic Alumina Surfaces." Journal of Biosensors & Bioelectronics 06, no. 01 (2015). http://dx.doi.org/10.4172/2155-6210.1000162.

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