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Artykuły w czasopismach na temat „Physico-chemical agents”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Sharma, N., and T. Sinderpal. "Sterculia Gum: Chemical Structure, Composition and Physico-Chemical Properties." Asian Journal of Chemistry 32, no. 1 (2019): 1–8. http://dx.doi.org/10.14233/ajchem.2020.22283.

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Physico-chemical properties are crucial characteristics of hydrocolloids as they decide the applicability of them. Rheology of system, flow behaviour and mechanical properties make hydrocolloids suitable for food industry. Modification of consistency or texture properties of functional polymers also controls their sensory characteristics, thereby they become significant essences such as thickener, gelling agents, foaming agent, texture modifier, viscosifier, emulsifier, stabilizer and binder. Industrial and pharmaceutical applications are also controlled by some suitable physico-chemical prope

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Świąder, Katarzyna, Aleksandra Szopa, Anna Serefko, Mariusz Świąder, and Ewa Poleszak. "Effect of bioadhesive agents on physico-chemical properties of suppositories." Current Issues of Pharmacy and Medical Sciences 26, no. 2 (2013): 193–97. http://dx.doi.org/10.12923/j.2084-980x/26.2/a.16.

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Martínez-Franco, Raquel, Zhibin Li, Joaquín Martínez-Triguero, Manuel Moliner, and Avelino Corma. "Improving the catalytic performance of SAPO-18 for the methanol-to-olefins (MTO) reaction by controlling the Si distribution and crystal size." Catalysis Science & Technology 6, no. 8 (2016): 2796–806. http://dx.doi.org/10.1039/c5cy02298c.

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Balachandar, Kannan Gajendran. "Management of Chemical Terrorism and Chemical Disasters." International Journal of Disaster Management 4, no. 3 (2021): 51–64. http://dx.doi.org/10.24815/ijdm.v4i3.21584.

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Though the possibility of terrorist groups obtaining chemical weapons and inflicting mass destruction are relatively low, the relevance of chemical agents still remains high since use of such chemical agents in causing potentially dangerous consequences remains very high. Sporadic chemical attacks and chemical disasters happen all over the world and they cause long lasting damages. Easy accessibility to variety of toxic industrial chemicals and the relatively simple know-how needed to synthesize chemical agents pose a serious threat. However, technological developments and the easy availabilit

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Ostrovnoy, K. A., A. N. Dyuryagina, D. Yu Kozik, and A. R. Surleva. "PHYSICO-CHEMICAL ASPECTS OF SURFACE-ACTIVE PROPERTIES OF LIGNOSULFONATES." Vestnik of M. Kozybayev North Kazakhstan University, no. 3 (52) (April 25, 2022): 7–12. http://dx.doi.org/10.54596/2309-6977-2021-3-7-12.

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The use of surfactants is a promising direction for accelerating the processes of destruction of pigment aggregates and stabilizing them in the volume of paints. The paper considers the study of the surface activity of paper industry waste - lignosulfonates. The processes of adsorption, dispersing and stabilizing activity of lignosulfonates have been studied. The established surface-active properties of lignosulfonates open up the prospect of their use in paint compositions as wetting agents.

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Ostrovnoy, K. A., A. N. Dyuryagina, D. Yu Kozik, and A. R. Surleva. "PHYSICO-CHEMICAL ASPECTS OF SURFACE-ACTIVE PROPERTIES OF LIGNOSULFONATES." Vestnik of M. Kozybayev North Kazakhstan University, no. 3 (52) (April 25, 2022): 7–12. http://dx.doi.org/10.54596/2309-6977-2021-3-7-12.

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The use of surfactants is a promising direction for accelerating the processes of destruction of pigment aggregates and stabilizing them in the volume of paints. The paper considers the study of the surface activity of paper industry waste - lignosulfonates. The processes of adsorption, dispersing and stabilizing activity of lignosulfonates have been studied. The established surface-active properties of lignosulfonates open up the prospect of their use in paint compositions as wetting agents.

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Grzegorczyk, Marcin Joachim, and Katarzyna Galer – Tatarowicz. "Seabed sediments collection for physico-chemical analyses – a review." Biuletyn Instytutu Morskiego 33, no. 1 (2018): 158–63. http://dx.doi.org/10.5604/01.3001.0012.8020.

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A description of equipment and tools relative to the sampling of seabed sediments for physicochemical analyses is presented in accordance with the Polish Standard PN-EN ISO 5667-19:2006. The paper reports sampling procedures for various purposes, instructions regarding samples handling, with emphasis on hazardous substances, chemical warfare agents (BST). It also includes information and instructions concerning high level of safety while working at sea, in accordance with international conventions SCTW and SOLAS.

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8

Ten Cate, J. M. "In Situ Models, Physico-Chemical Aspects." Advances in Dental Research 8, no. 2 (1994): 125–33. http://dx.doi.org/10.1177/08959374940080020201.

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In situ (intra-oral) caries models are used for two purposes. First, they provide information about oral physiological processes. Such information helps to detail our knowledge of the oral ecosystem and to verify conclusions from in vitro experiments. Second, in situ models are utilized to test preventive agents in the phase between laboratory testing and clinical trials. Most investigations involving enamel inserts have been aimed at testing new dentifrices. The experimental designs of such studies usually do not allow one to draw conclusions on physico-chemical processes, e.g., because of si

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9

Zainullin, Aidar. "Reduction of COD values of wastewater from the production of energy-saturated materials." E3S Web of Conferences 480 (2024): 02007. http://dx.doi.org/10.1051/e3sconf/202448002007.

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The initial physico-chemical characteristics of wastewater of chemical production of special-purpose substances have been studied. Several neutralizing agents have been investigated and the final parameters of the wastewater under study have been determined. Experiments on adsorption wastewater treatment have been carried out. The cleaning efficiency was at least 91%.

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10

Vasylechko, Volodymyr, Volodymyr Sydorchuk, Nazar Manko, et al. "Effect of Physico-Chemical Modification of Clinoptilolite Composites on Their Antimicrobial Activity." Chemistry & Chemical Technology 19, no. 2 (2025): 183–95. https://doi.org/10.23939/chcht19.02.183.

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Microparticles based on natural Transcarpathian clinoptilolite (CL), its H- and Na-forms are synthesized by physicochemical modifications, in particular, heat treatment and doping with metal activators (Ag and Cu). Doping of CL samples with metal ions was carried out in two different ways: the first was to use the solid-phase extraction method under dynamic conditions followed by mechanochemical treatment, and the second was to mechanochemically treat the CL samples with Ag and Cu compounds. XRD, SEM, EDX, FTIR-, UV-Vis-, XPS spectra, dispersity, porous structure parameters and antibacterial a

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11

Anarjan, Navideh, and Chin Ping Tan. "Physico-chemical stability of astaxanthin nanodispersions prepared with polysaccharides as stabilizing agents." International Journal of Food Sciences and Nutrition 64, no. 6 (2013): 744–48. http://dx.doi.org/10.3109/09637486.2013.783001.

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12

Fraga, Francisco, Eva C. Vázquez Barreiro, Aida Jover, Francisco Meijide, José Manuel Martínez Ageitos, and José Vázquez Tato. "Physico-Chemical Characterization of Two Epoxy Systems Using Porphyrins as Curing Agents." Polymer Science, Series B 60, no. 6 (2018): 746–53. http://dx.doi.org/10.1134/s1560090419010044.

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13

H, Sebii. "Physico-Chemical, Mechanical, Microstructural, and Antioxidant Properties of Chickpea Protein-Based Composite Bioactive Films." Food Science & Nutrition Technology 8, no. 4 (2023): 1–11. http://dx.doi.org/10.23880/fsnt-16000320.

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Chickpea protein concentrate (CPC) was used in the preparation of edible bio-films. Glycerol and sorbitol, with a different ratios, were used as plasticizing agents. Physico-chemical, microstructure, and mechanical properties of CPC-based biofilms plasticized with glycerol (G100), sorbitol (S100), and a mix of glycerol and sorbitol (G50/S50) were investigated. G100 showed the highest hydrophilicity, solubility, and the lowest thickness compared to S100 and G50/S50. The mechanical properties analysis revealed that (G50/S50) possessed the highest elongation at break and tensile strength. All obs

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14

Lisitsyn, Andrey, Anastasia Semenova, Viktoria Nasonova, et al. "Approaches in Animal Proteins and Natural Polysaccharides Application for Food Packaging: Edible Film Production and Quality Estimation." Polymers 13, no. 10 (2021): 1592. http://dx.doi.org/10.3390/polym13101592.

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Natural biopolymers are an interesting resource for edible films production, as they are environmentally friendly packaging materials. The possibilities of the application of main animal proteins and natural polysaccharides are considered in the review, including the sources, structure, and limitations of usage. The main ways for overcoming the limitations caused by the physico-chemical properties of biopolymers are also discussed, including composites approaches, plasticizers, and the addition of crosslinking agents. Approaches for the production of biopolymer-based films and coatings are cla

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15

Mahomud, MS, S. Islam, MN Islam, and MA Ashraf. "Effect of Starch and Carboxymethtyl Cellulose on Physico-Chemical Properties of Tomato Juice." Progressive Agriculture 18, no. 2 (2014): 235–40. http://dx.doi.org/10.3329/pa.v18i2.18245.

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This study was conducted to evaluate the effect of carboxymethyl cellulose (CMC) and starch used as thickening agents on physicochemical properties of tomato juice. The pulp was extracted from ripe and sound tomatoes and subsequently used for preparation of tomato juice with the addition of different levels of starch and CMC including other ingredients. The CMC was used at the rate of 0.1-0.3% while starch was 0.3 -1% in the prepared juice. The moisture content of juice was increased adding of both the thickening agents. The ash content and acidity of tomato juice were decreased gradually with

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16

Endoma, Leonilo F., Sharon N. Nuñal, Rex Ferdinand M. Traifalgar, Loda M. Nacional, and Maria Rovilla J. Luhan. "Photo-bleached agar extracts from Gracilariopsis heteroclada." Botanica Marina 63, no. 6 (2020): 559–69. http://dx.doi.org/10.1515/bot-2020-0028.

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AbstractAgar is a strongly gelling polysaccharide extracted from gracilarioids, which is processed through conventional alkaline pre-treatment and chemical bleaching. However, the use of chemical bleaching agents has associated health risks to humans and the environment. The aim of the present study was to determine the effects of photo-bleaching in combination with NaOH pre-treatments at 5, 10 and 15% concentrations on the physico-chemical properties of agar extracted from Gracilariopsis heteroclada. The results highlighted that the gel strength of photo-bleached agar extracts PBA-15 (1822.00

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17

El-Sisi., A., A. Khattab, F. El-Essawy, and M. El-Moslhey. "PREPARATION OF SOME SURFACE ACTIVE AGENTS AND DETERMINATION OF ITS PHYSICO CHEMICAL PROPERTIES." Journal of Plant Protection and Pathology 31, no. 9 (2006): 6019–27. http://dx.doi.org/10.21608/jppp.2006.235246.

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Davies-Strickleton, Heather, Julie Cook, Sally Hannam, et al. "Assessment of the nail penetration of antifungal agents, with different physico-chemical properties." PLOS ONE 15, no. 2 (2020): e0229414. http://dx.doi.org/10.1371/journal.pone.0229414.

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Miroshnikov, V. M., A. V. Kokhanov, and A. A. Nyrkin. "Toward an explanation of the clinical effect when using industrial albumin preparations." Kazan medical journal 69, no. 4 (1988): 301–2. http://dx.doi.org/10.17816/kazmj99701.

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Currently, in clinical medicine, preparations of donor and placental albumin are widely used, which are highly effective therapeutic agents for many pathological conditions. It is believed that placental albumin by its physico-chemical properties and physiological effect does not differ from donor albumin, but there are good reasons to doubt this statement.

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20

Ali, Sumaiya Ahmad, and Gunashree B. Shivanna. "PHYSICO-CHEMICAL CHARACTERISTICS OF RUSSIAN TEA FUNGUS: KOMBUCHA." International Journal of Pharmacy and Pharmaceutical Sciences 9, no. 4 (2017): 161. http://dx.doi.org/10.22159/ijpps.2017v9i4.16753.

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Objective: To characterize various physicochemical parameters for Russian tea fungus: Kombucha. Methods: In the present investigation, various physicochemical analyses of kombucha such as, estimation of biomass, ascorbic acid, acetic acid, carotenoid contents, antioxidant activity and antibacterial activity against E. coli, Salmonella sp and Staphylococcus aureus were carried out after growing at different temperature and pH with varied concentrations of 5, 10, 15 and 20% tea powder boiled for 10 min along with 5% sugar and filtered to obtain tea decoction. Results: The bacteria in kombucha we

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21

Suttiruengwong, Supakij, P. Puathawee, and M. Chareonpanich. "Preparation of Mesoporous Silica from Rice Husk Ash: Effect of Depolymerizing Agents on Physico-Chemical Properties." Advanced Materials Research 93-94 (January 2010): 664–67. http://dx.doi.org/10.4028/www.scientific.net/amr.93-94.664.

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The aim of this work was to prepare mesoporous silicas derived from rice husk ash (RHA) using three different depolymerizing agents; glycerol, 1,3 propanediol and 1,4 butanediol. The reaction of RHA with different depolymerizing agents was carried out between 200-250°C for 2 hrs. The solution was then hydrolyzed with deionized water to obtain gels. After a few washing step, gels were oven-dried and calcined at 500 °C for 24 hrs. Prepared mesoporous silicas were then characterized using Nitrogen adsorption-desorption measurement, FTIR, TGA, SEM, XRD and XRF. The percent hydrophobicity was deter

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John, Anitha, Reena V.L., and Kanagarajan A. "PHYSICO - CHEMICAL AND HPTLC STUDIES OF LIMONIA CRENULATA (ROOT)." International Journal of Advanced Research 10, no. 02 (2022): 598–605. http://dx.doi.org/10.21474/ijar01/14244.

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Herbal medicines have gained popularity as potential therapeutic agents for the prevention and treatment of many diseases due to their high efficacy and low side effects. With increasing demand for safer drugs, attention has been drawn to the identity, purity and strength of the herbal medicines. Hence, there is a need for standardization and development of reliable quality protocols using modern techniques of analysis for the herbal drugs. In the present paper an attempt was made to lay down the pharmacopoeial standards of Limonia crenulata Roxb. (Root) based on its physico-chemical and HPTLC

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Lazarević, Jelena, Ana Marković, Andrija Šmelcerović, Gordana Stojanović, Pierangela Ciuffreda, and Enzo Santaniello. "Carvacrol Derivatives as Antifungal Agents: Synthesis, Antimicrobial Activity and in Silico Studies on Carvacryl Esters." Acta Chimica Slovenica 69, no. 3 (2022): 571–83. http://dx.doi.org/10.17344/acsi.2022.7438.

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Chemical modifications of natural monoterpenoids to various derivatives have been reported to result in enhancement of biological activities when compared to parent compounds. In this context a well-known biocide and food additive, carvacrol, served as a basic scaffold onto which a phenolic functionality transformation by introducing acyl groups was performed. By using this simple methodology, we obtained a small series of 25 esters. For each of the obtained compounds we have performed structural characterization, in vitro antimicrobial testing and in silico calculation of physico-chemical, ph

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Belov, D. V., S. N. Belyaev, D. B. Radishchev, and A. I. Okhapkin. "Preparation and physico-chemical properties of coatings based on graphene-like materials." Perspektivnye Materialy 9 (2023): 63–82. http://dx.doi.org/10.30791/1028-978x-2023-9-63-82.

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Dispersions of graphene oxide and its reduced form have been obtained. The resulting dispersions were characterized by UV spectroscopy. The features of the graphene oxide reduction process in the composition of coatings deposited on solid substrates (aluminum, optical glass, KDP single crystal) by interaction with various reducing agents: hydrazine hydrate, formalin, ascorbic and citric acids, and ammonium citrate are studied. Surface structures were studied by Raman spectroscopy. The surface morphology of coatings and the defectiveness of graphene-like materials obtained by the reduction of g

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Yeasmin, Tanzima, Abul KashemTang, Anowar Hossain, and Nurul Absar. "Effects of Physico-chemical Agents on the Biological Activities of the Mulberry Seed Lectins." Asian Journal of Biochemistry 2, no. 2 (2007): 111–17. http://dx.doi.org/10.3923/ajb.2007.111.117.

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Jayawickrama, F., R. S. Wilson Wijeratnam, and S. Perera. "THE EFFECT OF SELECTED RIPENING AGENTS ON ORGANOLEPTIC AND PHYSICO-CHEMICAL PROPERTIES OF PAPAYA." Acta Horticulturae, no. 553 (June 2001): 175–78. http://dx.doi.org/10.17660/actahortic.2001.553.37.

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Beijnen, J. H., H. Lingeman, H. A. Van Munster, and W. J. M. Underberg. "Mitomycin antitumour agents: A review of their physico-chemical and analytical properties and stability." Journal of Pharmaceutical and Biomedical Analysis 4, no. 3 (1986): 275–95. http://dx.doi.org/10.1016/0731-7085(86)80050-4.

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Champion, Marie, Emilie Portier, Karine Vallée-Réhel, et al. "Anti-Biofilm Activity of a Hyaluronan-like Exopolysaccharide from the Marine Vibrio MO245 against Pathogenic Bacteria." Marine Drugs 20, no. 11 (2022): 728. http://dx.doi.org/10.3390/md20110728.

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Biofilms, responsible for many serious drawbacks in the medical and marine environment, can grow on abiotic and biotic surfaces. Commercial anti-biofilm solutions, based on the use of biocides, are available but their use increases the risk of antibiotic resistance and environmental pollution in marine industries. There is an urgent need to work on the development of ecofriendly solutions, formulated without biocidal agents, that rely on the anti-adhesive physico-chemical properties of their materials. In this context, exopolysaccharides (EPSs) are natural biopolymers with complex properties t

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THI, THO LUU, HONG KHANH VU THI, TUAN ANH NGUYEN, and THU NGUYEN THI KIM. "INFLUENCES OF CROSSLINKER AND MOLECULAR WEIGHT OF CHITOSAN ON PHYSICO-CHEMICAL PROPERTIES OF ANTIBACTERIAL TREATED COTTON FABRICS." Cellulose Chemistry and Technology 58, no. 5-6 (2024): 617–25. http://dx.doi.org/10.35812/cellulosechemtechnol.2024.58.56.

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This study investigated the influences of crosslinking agent and molecular weight on the surface and comfort properties of cotton fabrics treated by chitosan. Two types of chitosan, with molecular weight (2.6 kDa and 187 kDa), with deacetylation degree (DD) of 75%, were used, along with two types of crosslinking agents: citric acid (CA) and dimethylol dihydroxyethyleneurea (DMDHEU). These agents were applied to cotton fabrics for antibacterial treatments. The treated cotton fabrics were evaluated using several quality indicators related to physico-chemical properties, including whiteness (acco

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Mattiello, Sara, Alessandro Guzzini, Alessandra Del Giudice, et al. "Physico-Chemical Characterization of Keratin from Wool and Chicken Feathers Extracted Using Refined Chemical Methods." Polymers 15, no. 1 (2022): 181. http://dx.doi.org/10.3390/polym15010181.

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In this work, the characteristic structure of keratin extracted from two different kinds of industrial waste, namely sheep wool and chicken feathers, using the sulfitolysis method to allow film deposition, has been investigated. The structural and microscopic properties have been studied by means of scanning electron microscopy (SEM), Raman spectroscopy, atomic force microscopy (AFM), and infrared (IR) spectroscopy. Following this, small-angle X-ray scattering (SAXS) analysis for intermediate filaments has been performed. The results indicate that the assembly character of the fiber can be obt

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Ciobanu, Carmen Steluta, Daniela Predoi, Simona Liliana Iconaru, et al. "Physico-Chemical and Biological Features of Fluorine-Substituted Hydroxyapatite Suspensions." Materials 17, no. 14 (2024): 3404. http://dx.doi.org/10.3390/ma17143404.

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Infections related to orthopedic/stomatology surgery are widely recognized as a significant health concern. Therefore, the development of new materials with superior biological properties and good stability could represent a valuable alternative to the classical treatments. In this paper, the fluorine-substituted hydroxyapatite (FHAp) suspension, with the chemical formula Ca10(PO4)6(OH)2−2xF2x (where x = 0.05), was prepared using a modified coprecipitation technique. Stability studies were conducted by zeta potential and ultrasound measurements for the first time. The X-ray diffraction (XRD) p

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Monapathi, M. E., C. C. Bezuidenhout, and O. H. J. Rhode. "Water quality and antifungal susceptibility of opportunistic yeast pathogens from rivers." Water Science and Technology 75, no. 6 (2016): 1319–31. http://dx.doi.org/10.2166/wst.2016.580.

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Yeasts from water sources have been associated with diseases ranging from superficial mucosal infections to life threatening diseases. The aim of this study was to determine the water quality as well as diversity and antifungal susceptibility of yeasts from two rivers. Yeast levels and physico-chemical parameter data were analyzed by principal component analysis to determine correlations between physico-chemical data and yeast levels. Yeast morphotypes were identified by biochemical tests and 26S rRNA gene sequencing. Disk diffusion antifungal susceptibility tests were conducted. Physico-chemi

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Неповинных, Наталия, Nataliya Nepovinnykh, Оксана Петрова, et al. "Physico-Chemical and Texture Properties of Gelatin-Free Jelly Desserts." Food Processing: Techniques and Technology 49, no. 1 (2019): 43–49. http://dx.doi.org/10.21603/2074-9414-2019-1-43-49.

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The research features the technological challenge of producing jelly desserts by replacing gelatin by non-starch polysaccharides of plant, bacterial, and algal origin (separately or in binary mixtures) in order to overcome religious and ethical constraints. The authors focused on the texture which is responsible for gel network formation of desserts. Hydrocolloids are widely used in many food formulations to improve quality attributes and shelf-life. The polysaccharides under analysis included alginate, pectin, iota-carrageenan, konjac glucomannan, xanthan, and guar gum, separately or in binar

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Igori, BALTA, OLA Dragoș, FILIP Roxana, et al. "Heavy metals and physico-chemical composition of Maternal breast milk and colostrum." Scientific Bulletin. Series F. Biotechnologies 23 (August 13, 2019): 91–101. https://doi.org/10.5281/zenodo.3604465.

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Mother's milk is a very valuable food for newborns, providing all the nutrients necessary for children's health. Colostrum is an important source of biologically active natural components and due to antimicrobial agents, can reduce gastrointestinal infections in newborns. Physical and chemical parameters were analyzed from maternal breast milk and colostrum for five days. The fat content of the colostrum shows the lowest values in the first postpartum days, after which it increases, reaching the highest values on day 5. Heavy metals in colostrum and mother's milk were evaluated con

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Borra, Chenna, Thijs Vlugt, Yongxiang Yang, and S. Offerman. "Recovery of Cerium from Glass Polishing Waste: A Critical Review." Metals 8, no. 10 (2018): 801. http://dx.doi.org/10.3390/met8100801.

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Ceria is the main component in glass polishing powders due to its special physico-chemical properties. Glass polishing powder loses its polishing ability gradually during usage due to the accumulation of other compounds on the polishing powder or due to changes in the particle size distribution. The recovery of cerium from the glass polishing waste results in the efficient utilization of natural resources. This paper reviews processes for the recovery of rare earths from polishing waste. Glass polishing powder waste can be reused via physical, physico-chemical or chemical processes by removing

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Kodintcev, Anton N. "Characterization and potential applications of silver nanoparticles: an insight on different mechanisms." Chimica Techno Acta 9, no. 4 (2022): 20229402. http://dx.doi.org/10.15826/chimtech.2022.9.4.02.

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In the 21st century, a great interest is devoted to biomedical application of various nanoparticles, particularly, as a means of improving the effectiveness of therapy for different diseases. Silver nanoparticles (AgNPs) are the most studied and investigated type of nanoparticles. Due to the wide spectrum of their action, silver nanoparticles may be used both to influence pathogenic microorganisms and to improve the treatment of cancer. The basic physico-chemical characteristics and stabilizing agents play an important modifying role in the pharmacokinetics and pharmacodynamics of nanoparticle

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Singh, Yengkhom Disco, and Kunja Bihari Satapathy. "Conversion of Lignocellulosic Biomass to Bioethanol: An Overview with a Focus on Pretreatment." International Journal of Engineering and Technologies 15 (November 2018): 17–43. http://dx.doi.org/10.18052/www.scipress.com/ijet.15.17.

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The present review article aims to highlight various pretreatment technologies involved in the biochemical conversion of biomass to bioethanol from lignocellulosic biomass without the process modification. Pretreatment technologies are aimed to increase the enzyme susceptibility to the biomass for high yield of ethanol production through microbial fermentation. Broadly, pretreatment methods are divided into four categories including physical, chemical, physico-chemical and biological. This paper comprehensively reviewed on the lignocellulosic biomass to bioethanol process with focuses on pretr

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Singh, Yengkhom Disco, and Kunja Bihari Satapathy. "Conversion of Lignocellulosic Biomass to Bioethanol: An Overview with a Focus on Pretreatment." International Journal of Engineering and Technologies 15 (November 20, 2018): 17–43. http://dx.doi.org/10.56431/p-j5uq4j.

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The present review article aims to highlight various pretreatment technologies involved in the biochemical conversion of biomass to bioethanol from lignocellulosic biomass without the process modification. Pretreatment technologies are aimed to increase the enzyme susceptibility to the biomass for high yield of ethanol production through microbial fermentation. Broadly, pretreatment methods are divided into four categories including physical, chemical, physico-chemical and biological. This paper comprehensively reviewed on the lignocellulosic biomass to bioethanol process with focuses on pretr

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Rozhin, Artem, Svetlana Batasheva, Marina Kruychkova, Yuliya Cherednichenko, Elvira Rozhina, and Rawil Fakhrullin. "Biogenic Silver Nanoparticles: Synthesis and Application as Antibacterial and Antifungal Agents." Micromachines 12, no. 12 (2021): 1480. http://dx.doi.org/10.3390/mi12121480.

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The importance and need for eco-oriented technologies has increased worldwide, which leads to an enhanced development of methods for the synthesis of nanoparticles using biological agents. This review de-scribes the current approaches to the preparation of biogenic silver nanoparticles, using plant extracts and filtrates of fungi and microorganisms. The peculiarities of the synthesis of particles depending on the source of biocomponents are considered as well as physico-morphological, antibacterial and antifungal properties of the resulting nanoparticles which are compared with such properties

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Kikelomo, Adegun Maria. "Preliminary Physico-Chemical Investigation of Local Binding Agents in Mineral Salt Licks Production for Ruminants." International Journal of Environment, Agriculture and Biotechnology 1, no. 4 (2016): 997–1003. http://dx.doi.org/10.22161/ijeab/1.4.52.

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Kumar, Arun, Vinita Gupta, Sanchita Singh, and Y. K. Gupta. "Synthesis and Physico Chemical Studies of Some Chalcone and Their Derivatives as Potential Antimicrobial Agents." Research Journal of Pharmacy and Technology 10, no. 4 (2017): 1155. http://dx.doi.org/10.5958/0974-360x.2017.00208.6.

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Vedaldi, D., P. Rodighiero, F. Orsini, et al. "Pyranocoumarins as potential photochemotherapeutic agents: theoretical and physico-chemical studies on the mechanism of action." European Journal of Medicinal Chemistry 26, no. 9 (1991): 875–87. http://dx.doi.org/10.1016/0223-5234(91)90130-f.

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Dyukina, A. R., S. I. Zaichkina, O. M. Rozanova, et al. "Activation of the body’s natural defenses reserve of mice treated with various physico-chemical agents." IOP Conference Series: Materials Science and Engineering 487 (March 13, 2019): 012029. http://dx.doi.org/10.1088/1757-899x/487/1/012029.

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Costenaro, Daniele, Chiara Bisio, Fabio Carniato, et al. "Physico-chemical Properties, Biological and Environmental Impact of Nb-saponites Catalysts for the Oxidative Degradation of Chemical Warfare Agents." ChemistrySelect 2, no. 5 (2017): 1812–19. http://dx.doi.org/10.1002/slct.201700042.

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Munyayi, Tozivepi Aaron, Barend Christiaan Vorster, and Danielle Wingrove Mulder. "The Effect of Capping Agents on Gold Nanostar Stability, Functionalization, and Colorimetric Biosensing Capability." Nanomaterials 12, no. 14 (2022): 2470. http://dx.doi.org/10.3390/nano12142470.

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Capping agents (organic ligands, polymers, and surfactants) are pivotal for stabilizing nanoparticles; however, they may influence the surface chemistry, as well as the physico-chemical and biological characteristics, of gold nanostar (AuNS)-based biosensors. In this study, we proved that various capping agents affected capped and bioconjugated AuNS stability, functionality, biocatalysis, and colorimetric readouts. Capped and bioconjugated AuNSs were applied as localized surface plasmon resonance (LSPR)-based H2O2 sensors using glucose oxidase (GOx) as a model enzyme. Furthermore, our analyses

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Borja-Serrano, Pamela, Valeria Ochoa-Herrera, Laurence Maurice, et al. "Determination of the Microbial and Chemical Loads in Rivers from the Quito Capital Province of Ecuador (Pichincha)—A Preliminary Analysis of Microbial and Chemical Quality of the Main Rivers." International Journal of Environmental Research and Public Health 17, no. 14 (2020): 5048. http://dx.doi.org/10.3390/ijerph17145048.

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Contamination of natural water sources is one of the main health problems worldwide, which could be caused by chemicals, metals, or microbial agents. This study aimed to analyze the quality of 18 rivers located in Quito, the capital province of Pichincha, Ecuador, through physico-chemical and microbial parameters. The E. coli and total coliforms assessments were performed by a counting procedure in growth media. Polymerase chain reaction (PCR) was realized to detect several microbial genera, as well as Candida albicans, two parasites (Cryptosporidium and Giardia spp.) and E. coli pathotypes: e

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Bhagat, Nayana, Laxmikant Dyamani, Dhulappa Mehatre, Nikhil Gawas, and Suketha S. "Analytico-in-vitro experimental study of aqueous extract of Neem (Azadirachta indica A. Juss) patra vis-a-vis anti-microbial effect." International Journal of Ayurvedic Medicine 15, no. 2 (2024): 538–45. http://dx.doi.org/10.47552/ijam.v15i2.4809.

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Inefficiency of medical therapies used in order to cure patients with microbial infestations requires safe, effective new antimicrobial agents based on variety of parameters. Ayurveda being a holistic science uses many such safe and effective herbal and herbo-mineral interventions in the management of microbial infestations. Nimba (Azadirachta indica A. Juss) is one commonly available and well known medicinal plant used as krimihara dravya (antimicrobial drug). It has tikta, rasa (bitter taste), Laghu guna (light in property) sheeta veerya (cold in potency), katu vipaka (pungent of metabolism)

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Blanchemain, N., G. Mayer, M. Traisnel, Y. Setti, and H. F. Hildebrand. "Physico-Chemical and Biological Evaluations of Biomedical Polyethylene after YAG-LASER Irradiation." Key Engineering Materials 288-289 (June 2005): 633–36. http://dx.doi.org/10.4028/www.scientific.net/kem.288-289.633.

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PE is manufactured by Transysteme with the method of thermocompression of PE powder. This company irradiates PE by YAG LASER. We compared the physical behavior of both samples. The DSC reveals a high and similar crystallinity of PE, before and after YAG LASER treatment. Weattability between PE and Li-PE are similar at about 37 mJ/cm². The difference appears with respect to the surface profile and composition: the roughness is 0.20 µm for PE and 0.29µm for Li- PE. XPS reveals many traces of stripping agents on PE. YAG Laser produces a surface cleaning effect. Biological tests reveal a non-toxic

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Azevedo-Barbosa, Helloana, Danielle Ferreira Dias, Lucas Lopardi Franco, Jamie Anthony Hawkes, and Diogo Teixeira Carvalho. "From Antibacterial to Antitumour Agents: A Brief Review on The Chemical and Medicinal Aspects of Sulfonamides." Mini-Reviews in Medicinal Chemistry 20, no. 19 (2020): 2052–66. http://dx.doi.org/10.2174/1389557520666200905125738.

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Sulfonamides have been in clinical use for many years, and the development of bioactive substances containing the sulfonamide subunit has grown steadily in view of their important biological properties such as antibacterial, antifungal, antiparasitic, antioxidant, and antitumour properties. This review addresses the medicinal chemistry aspects of sulfonamides; covering their discovery, the structure- activity relationship and the mechanism of action of the antibacterial sulfonamide class, as well as the physico-chemical and pharmacological properties associated with this class. It also provide

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Mohamad Sukri, Siti Nur Amalina, Kamyar Shameli, Teow Sin-Yeang, and Nur Afini Ismail. "Mini Review: Biologically Synthesized Nanoparticles as Antifungal Agents." Journal of Research in Nanoscience and Nanotechnology 1, no. 1 (2021): 22–29. http://dx.doi.org/10.37934/jrnn.1.1.2229.

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Fungal infections are affecting millions of people in the world every year. Severity of infections range from superficial mycoses to more chronic systemic mycoses. As more fungi species evolve, emergence of drug resistant strains is becoming a serious concern to the public health. There is now less number of effective antifungal drugs available in the market for treatment of invasive fungal infections. In an effort to combat this escalating issue, the use of nanoparticles as antifungal agent has been proposed and explored. Versatility of nanoparticles and its unique physico-chemical properties

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