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Journal articles on the topic 'CUSM'

Author: Grafiati

Published: 4 June 2021

Last updated: 10 February 2022

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1

Franke, Sylvia, Gregor Grass, Christopher Rensing, and Dietrich H. Nies. "Molecular Analysis of the Copper-Transporting Efflux System CusCFBA of Escherichia coli." Journal of Bacteriology 185, no. 13 (July 1, 2003): 3804–12. http://dx.doi.org/10.1128/jb.185.13.3804-3812.2003.

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ABSTRACT The cus determinant of Escherichia coli encodes the CusCFBA proteins that mediate resistance to copper and silver by cation efflux. CusA and CusB were essential for copper resistance, and CusC and CusF were required for full resistance. Replacements of methionine residues 573, 623, and 672 with isoleucine in CusA resulted in loss of copper resistance, demonstrating their functional importance. Substitutions for several other methionine residues of this protein did not have any effect. The small 10-kDa protein CusF (previously YlcC) was shown to be a periplasmic protein. CusF bound one copper per polypeptide. The pink CusF copper protein complex exhibited an absorption maximum at around 510 nm. Methionine residues of CusF were involved in copper binding as shown by site-directed mutagenesis. CusF interacted with CusB and CusC polypeptides in a yeast two-hybrid assay. In contrast to other well-studied CBA-type heavy metal efflux systems, Cus was shown to be a tetrapartite resistance system that involves the novel periplasmic copper-binding protein CusF. These data provide additional evidence for the hypothesis that Cu(I) is directly transported from the periplasm across the outer membrane by the Cus complex.

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2

Oguntosin, Victoria, and Ayobami Olomo. "Development of an E-Commerce Chatbot for a University Shopping Mall." Applied Computational Intelligence and Soft Computing 2021 (March 19, 2021): 1–14. http://dx.doi.org/10.1155/2021/6630326.

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Chatbots have been used in many fields ranging from education to healthcare and are also used in e-commerce settings. This research aims at developing a web-based chatbot called Hebron for the Covenant University Community Mall. The chatbot is developed using Python and React.js as the programming languages and MySQL (Structured Query Language) server as the database to give a structure to the e-commerce datasets and Admin Portal process. The e-commerce chatbot application for Covenant University Shopping Mall (CUSM) seeks to provide an easy, smart, and comfortable shopping experience for the Covenant University Community.

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3

Ajibade, Peter A., and Abimbola E. Oluwalana. "Enhanced Photocatalytic Degradation of Ternary Dyes by Copper Sulfide Nanoparticles." Nanomaterials 11, no. 8 (August 4, 2021): 2000. http://dx.doi.org/10.3390/nano11082000.

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We report the effect of thermolysis time on the morphological and optical properties of CuS nanoparticles prepared from Cu(II) dithiocarbamate single-source precursor. The as-prepared copper sulfide nanoparticles were used as photocatalysts for the degradation of crystal violet (CV), methylene blue (MB), rhodamine B (RhB), and a ternary mixture of the three dyes (CV/MB/RhB). Powder XRD patterns confirmed the hexagonal covellite phase for the CuS nanoparticles. At the same time, HRTEM images revealed mixed shapes with a particle size of 31.47 nm for CuS1 prepared at 30 min while CuS2 prepared at 1 h consists of mixtures of hexagonal and nanorods shaped particles with an average size of 21.59 nm. Mixed hexagonal and spherically shaped particles with a size of 17.77 nm were obtained for CuS3 prepared at 2 h. The optical bandgaps of the nanoparticles are 3.00 eV for CuS1, 3.26 eV for CuS2 and 3.13 eV for CuS3. The photocatalytic degradation efficiency showed that CuS3 with the smallest particle size is the most efficient photocatalyst and degraded 85% of CV, 100% of MB, and 81% of RhB. The as-prepared CuS showed good stability and recyclability and also degraded ternary dyes mixture (CV/MB/RhB) effectively. The byproducts of the dye degradation were evaluated using ESI-mass spectrometry.

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4

Xu, Zhi Chao, Zhong Xue Feng, and Jia Liang Dong. "Effects of Sm and Zr Addition on the Microstructure and Mechanical Properties in Mg-Cu Alloys." Key Engineering Materials 727 (January 2017): 88–92. http://dx.doi.org/10.4028/www.scientific.net/kem.727.88.

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The effects of Sm and Zr amount on the properties of Mg-Cu-Sm-Zr alloys were systematically investigated. The results showed that the Mg99Cu alloy consist of-Mg matrix and Mg2Cu phase. After the addition of Sm and Zr, it was confirmed that Sm and Zr change the structure and distribution of Mg2Cu phase. In the meantime, the CuZr2 and CuSm phases which make a major contribution to mechanical properties were observed in the Mg-Cu-Sm-Zr alloys. The addition of Sm and Zr can also greatly refine the grains. The strength continuously increased due to the increase of Sm and Zr content. The elongation first increased within the range of 0-1.5%Sm 0-0.9%Zr, and the decreased. The alloys with 0.5wt%Sm and 1.9wt%Zr had the best combination of mechanical properties.

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5

Moraleda-Muñoz, Aurelio, Juana Pérez, Antonio Luis Extremera, and José Muñoz-Dorado. "Differential Regulation of Six Heavy Metal Efflux Systems in the Response of Myxococcus xanthus to Copper." Applied and Environmental Microbiology 76, no. 18 (June 18, 2010): 6069–76. http://dx.doi.org/10.1128/aem.00753-10.

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ABSTRACT Myxococcus xanthus has to cope with changes in its environment during growth and development. Among these factors, the concentration of copper is crucial due to the essential toxic effect of this metal, which forces the cells to maintain a tight homeostasis. The M. xanthus copper response is more complex than that in other bacteria, which is reflected by the different copper sensitivities of growing and developing cells. In the present study, the participation in copper homeostasis of six heavy metal efflux systems encoded in the M. xanthus genome has been examined. Three of these pumps exhibit the signature sequences in transmembrane domain 4 of the Cus systems (Cus1, Cus2, and Cus3), while the other three exhibit the motifs of the Czc systems (Czc1, Czc2, and Czc3). The Cus2 and Cus3 systems are inducible by copper and monovalent metals, functioning as the main copper efflux pumps, while the Cus1 system is implicated in Zn2+ homeostasis. The Czc systems are also differentially regulated either by divalent metals but not by copper (Czc1), by copper and divalent metals (Czc2), or by starvation (Czc3). The differential regulation of these six efflux systems ensures the proper completion of the M. xanthus life cycle in an environment with fluctuating concentrations of copper and other metals.

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6

Strobel, Sabine, and Thomas Schleid. "CuSm 3 Se 4 [Se 2 ]: a new ternary copper(I) rare-earth(III) selenide with mono- and diselenide units." Journal of Solid State Chemistry 171, no. 1-2 (February 2003): 424–28. http://dx.doi.org/10.1016/s0022-4596(02)00225-6.

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7

Fu, Bing, Kushal Sengupta, Lauren A. Genova, Ace George Santiago, Won Jung, Łukasz Krzemiński, Udit Kumar Chakraborty, Wenyao Zhang, and Peng Chen. "Metal-induced sensor mobilization turns on affinity to activate regulator for metal detoxification in live bacteria." Proceedings of the National Academy of Sciences 117, no. 24 (May 28, 2020): 13248–55. http://dx.doi.org/10.1073/pnas.1919816117.

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Metal detoxification is essential for bacteria’s survival in adverse environments and their pathogenesis in hosts. Understanding the underlying mechanisms is crucial for devising antibacterial treatments. In the Gram-negative bacteriumEscherichia coli, membrane-bound sensor CusS and its response regulator CusR together regulate the transcription of thecusoperon that plays important roles in cells’ resistance to copper/silver, and they belong to the two-component systems (TCSs) that are ubiquitous across various organisms and regulate diverse cellular functions. In vitro protein reconstitution and associated biochemical/physical studies have provided significant insights into the functions and mechanisms of CusS–CusR and related TCSs. Such studies are challenging regarding multidomain membrane proteins like CusS and also lack the physiological environment, particularly the native spatial context of proteins inside a cell. Here, we use stroboscopic single-molecule imaging and tracking to probe the dynamic behaviors of both CusS and CusR in live cells, in combination with protein- or residue-specific genetic manipulations. We find that copper stress leads to a cellular protein concentration increase and a concurrent mobilization of CusS out of clustered states in the membrane. We show that the mobilized CusS has significant interactions with CusR for signal transduction and that CusS’s affinity toward CusR switches on upon sensing copper at the interfacial metal-binding sites in CusS’s periplasmic sensor domains, prior to ATP binding and autophosphorylation at CusS’s cytoplasmic kinase domain(s). The observed CusS mobilization upon stimulation and its surprisingly early interaction with CusR likely ensure an efficient signal transduction by providing proper conformation and avoiding futile cross talks.

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8

Usman, Muhammad, Gulnaz Hameed, Abdul Saboor, and Khuram Nawaz. "Technological Spillovers, Manufacturing Growth and Transboundary Pollution in Case of Pakistan." Journl of Applied Economics and Business Studies 4, no. 2 (June 30, 2020): 23–40. http://dx.doi.org/10.34260/jaebs.422.

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Role of technological spillover in manufacturing sector growth and climate change is the running debate in the world to avoid the problem of production inefficiency and environmental damages. Environment friendly technological spillover plays pivotal role in manufacturing sector growth which leads to economic growth. In order to investigate the inconclusiveness of the major issues of production inefficiency and climate change in Pakistan the current research was aimed at finding the relationship between technological spillovers, manufacturing growth and climate change. To meet the objectives, the study investigated both short run and long run dynamics by employing Autoregressive Distributive Lagged (ARDL) model. An annual time series data over the period of 1973 to 2017 was collected for comparative analysis of technological spillover performance in manufacturing sector and environmental condition of the country. The results of CUSM test and Bound test validated the existence of long run co-integration relationship among estimated models. The results demonstrated that technological spillover performs significantly positive role in manufacturing growth with less absorptive ability. The empirical analysis proved that technological spillover and imported technology have affirmative role in reducing amount of net Carbon emission over the long run. It is suggested that the firms should adopt innovative technologies and try to improve absorptive capacity while government must opt country specific policies to control negative externalities.

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9

Affandi, Trisiani, and Megan M. McEvoy. "Mechanism of metal ion-induced activation of a two-component sensor kinase." Biochemical Journal 476, no. 1 (January 15, 2019): 115–35. http://dx.doi.org/10.1042/bcj20180577.

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Abstract Two-component systems (TCSs) are essential for bacteria to sense, respond, and adapt to changing environments, such as elevation of Cu(I)/Ag(I) ions in the periplasm. In Escherichia coli, the CusS–CusR TCS up-regulates the cusCFBA genes under increased periplasmic Cu(I)/Ag(I) concentrations to help maintain metal ion homeostasis. The CusS histidine kinase is a homodimeric integral membrane protein that binds to periplasmic Cu(I)/Ag(I) and transduces a signal to its cytoplasmic kinase domain. However, the mechanism of how metal binding in the periplasm activates autophosphorylation in the cytoplasm is unknown. Here, we report that only one of the two metal ion-binding sites in CusS enhances dimerization of the sensor domain. Utilizing nanodisc technology to study full-length CusS, we show that metal-induced dimerization in the sensor domain triggers kinase activity in the cytoplasmic domain. We also investigated autophosphorylation in the cytoplasmic domain of CusS and phosphotransfer between CusS and CusR. In vitro analyses show that CusS autophosphorylates its conserved H271 residue at the N1 position of the histidine imidazole. The phosphoryl group is removed by the response regulator CusR in a reaction that requires a conserved aspartate at position 51. Functional analyses in vivo of CusS and CusR variants with mutations in the autophosphorylation or phosphoacceptor residues suggest that the phosphotransfer event is essential for metal resistance in E. coli. Biochemical analysis shows that the CusS dimer autophosphorylates using a cis mechanism. Our results support a signal transduction model in which rotation and bending movements in the cytoplasmic domain maintain the mode of autophosphorylation.

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10

Munson, George P., Deborah L. Lam, F. Wayne Outten, and Thomas V. O'Halloran. "Identification of a Copper-Responsive Two-Component System on the Chromosome of Escherichia coli K-12." Journal of Bacteriology 182, no. 20 (October 15, 2000): 5864–71. http://dx.doi.org/10.1128/jb.182.20.5864-5871.2000.

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ABSTRACT Using a genetic screen we have identified two chromosomal genes,cusRS (ylcA ybcZ), from Escherichia coli K-12 that encode a two-component, signal transduction system that is responsive to copper ions. This regulatory system is required for copper-induced expression of pcoE, a plasmid-borne gene from the E. coli copper resistance operon pco. The closest homologs of CusR and CusS are plasmid-borne two-component systems that are also involved in metal responsive gene regulation: PcoR and PcoS from the pcooperon of E. coli; CopR and CopS from thecop operon, which provides copper resistance toPseudomonas syringae; and SilR and SilS from thesil locus, which provides silver ion resistance toSalmonella enterica serovar Typhimurium. The genescusRS are also required for the copper-dependent expression of at least one chromosomal gene, designated cusC(ylcB), which is allelic to the recently identified virulence gene ibeB in E. coli K1. Thecus locus may comprise a copper ion efflux system, because the expression of cusC is induced by high concentrations of copper ions. Furthermore, the translation products of cusCand additional downstream genes are homologous to known metal ion antiporters.

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11

Meir, Aviv, Adi Natan, Yoni Moskovitz, and Sharon Ruthstein. "EPR spectroscopy identifies Met and Lys residues that are essential for the interaction between the CusB N-terminal domain and metallochaperone CusF." Metallomics 7, no. 7 (2015): 1163–72. http://dx.doi.org/10.1039/c5mt00053j.

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12

Zhao, Yanliang, Meishan Wang, Chuanlu Yang, Xiaoguang Ma, and Yongjiang Yu. "Computational anharmonic force fields of CuSH and CuSD." Journal of Physics B: Atomic, Molecular and Optical Physics 50, no. 15 (July 6, 2017): 155102. http://dx.doi.org/10.1088/1361-6455/aa798f.

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13

Long, Feng, Chih-Chia Su, Hsiang-Ting Lei, Jani Reddy Bolla, Sylvia V. Do, and Edward W. Yu. "Structure and mechanism of the tripartite CusCBA heavy-metal efflux complex." Philosophical Transactions of the Royal Society B: Biological Sciences 367, no. 1592 (April 19, 2012): 1047–58. http://dx.doi.org/10.1098/rstb.2011.0203.

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Gram-negative bacteria frequently expel toxic chemicals through tripartite efflux pumps that span both the inner and outer membranes. The three parts are the inner membrane, substrate-binding transporter (or pump); a periplasmic membrane fusion protein (MFP, or adaptor); and an outer membrane-anchored channel. The fusion protein connects the transporter to the channel within the periplasmic space. One such efflux system CusCBA is responsible for extruding biocidal Cu(I) and Ag(I) ions. We previously described the crystal structures of both the inner membrane transporter CusA and the MFP CusB of Escherichia coli . We also determined the co-crystal structure of the CusBA adaptor–transporter efflux complex, showing that the transporter CusA, which is present as a trimer, interacts with six CusB protomers and that the periplasmic domain of CusA is involved in these interactions. Here, we summarize the structural information of these efflux proteins, and present the accumulated evidence that this efflux system uses methionine residues to bind and export Cu(I) and Ag(I). Genetic and structural analyses suggest that the CusA pump is capable of picking up the metal ions from both the periplasm and the cytoplasm. We propose a stepwise shuttle mechanism for this pump to export metal ions from the cell.

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14

Mödlinger, Marianne, Maikel H. G. Kuijpers, Dennis Braekmans, and Daniel Berger. "Quantitative comparisons of the color of CuAs, CuSn, CuNi, and CuSb alloys." Journal of Archaeological Science 88 (December 2017): 14–23. http://dx.doi.org/10.1016/j.jas.2017.09.001.

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15

Raveau, B., and Tapati Sarkar. "Superconducting-like behaviour of the layered Chalcogenides CuS and CuSe below 40 K." Solid State Sciences 13, no. 10 (October 2011): 1874–78. http://dx.doi.org/10.1016/j.solidstatesciences.2011.07.022.

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16

Ucisik, Melek N., Dhruva K. Chakravorty, and Kenneth M. Merz. "Models for the Metal Transfer Complex of the N-Terminal Region of CusB and CusF." Biochemistry 54, no. 27 (July 2, 2015): 4226–35. http://dx.doi.org/10.1021/acs.biochem.5b00195.

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17

Deng, Jiushuai, Hao Lai, Shuming Wen, and Shimei Li. "Confirmation of Interlayer Sulfidization of Malachite by TOF-SIMS and Principal Component Analysis." Minerals 9, no. 4 (March 29, 2019): 204. http://dx.doi.org/10.3390/min9040204.

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In this work, a sulfidization mechanism of malachite was confirmed based on the depth profile product, principal component, and depth profile curve analyses of time-of-flight secondary ion mass spectrometry (TOF-SIMS). The results showed that Cu/S species, including fragment ion peaks of Cu2S+, Cu3S+, S−, HS−, S2−, CuS2−, and CuS3−, were present in the inner layers of sulfidized malachite in the positive and negative spectral ranges 75–400 and 30–470 m/z. Na2S reacted with the surface and inner atoms, causing simultaneous sulfidization of malachite on the surface and in the inner layers. The inner layer mainly contained positive fragment ions with large Cu/S ratios. In summary, the interlayer sulfidization phenomenon was confirmed and the differences in sulfidization products between the surface and inner layers were determined.

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18

Raveau, B., and Tapati Sarkar. "ChemInform Abstract: Superconducting-Like Behavior of the Layered Chalcogenides CuS and CuSe Below 40 K." ChemInform 43, no. 3 (December 22, 2011): no. http://dx.doi.org/10.1002/chin.201203006.

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19

Mealman, Tiffany D., Mowei Zhou, Trisiani Affandi, Kelly N. Chacón, Mariana E. Aranguren, Ninian J. Blackburn, Vicki H. Wysocki, and Megan M. McEvoy. "N-Terminal Region of CusB Is Sufficient for Metal Binding and Metal Transfer with the Metallochaperone CusF." Biochemistry 51, no. 34 (August 17, 2012): 6767–75. http://dx.doi.org/10.1021/bi300596a.

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20

Mealman, Tiffany D., Ireena Bagai, Pragya Singh, David R. Goodlett, Christopher Rensing, Hongjun Zhou, Vicki H. Wysocki, and Megan M. McEvoy. "Interactions between CusF and CusB Identified by NMR Spectroscopy and Chemical Cross-Linking Coupled to Mass Spectrometry." Biochemistry 50, no. 13 (April 5, 2011): 2559–66. http://dx.doi.org/10.1021/bi102012j.

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21

Son, Changhwan, Wooyeol Park, HyeongGyun Kim, KyungSook Han, and Changwoo Pyo. "Parallelization of CUSUM Test in a CUDA Environment." KIISE Transactions on Computing Practices 21, no. 7 (July 15, 2015): 476–81. http://dx.doi.org/10.5626/ktcp.2015.21.7.476.

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22

Cavanagh, Eithne. "Cusp." Books Ireland, no. 232 (2000): 191. http://dx.doi.org/10.2307/20623878.

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23

Yeung, Jacky, and Sherif El-Defrawy. "CUSUM." Evidence-Based Ophthalmology 12, no. 1 (January 2011): 34–35. http://dx.doi.org/10.1097/ieb.0b013e3181f43daf.

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24

Hoang, Loc, Roshan Dathathri, Gurbinder Gill, and Keshav Pingali. "CuSP." ACM SIGOPS Operating Systems Review 55, no. 1 (June 2, 2021): 47–60. http://dx.doi.org/10.1145/3469379.3469385.

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Graph analytics systems must analyze graphs with billions of vertices and edges which require several terabytes of storage. Distributed-memory clusters are often used for analyzing such large graphs since the main memory of a single machine is usually restricted to a few hundreds of gigabytes. This requires partitioning the graph among the machines in the cluster. Existing graph analytics systems use a built-in partitioner that incorporates a particular partitioning policy, but the best policy is dependent on the algorithm, input graph, and platform. Therefore, built-in partitioners are not sufficiently flexible. Stand-alone graph partitioners are available, but they too implement only a few policies. CuSP is a fast streaming edge partitioning framework which permits users to specify the desired partitioning policy at a high level of abstraction and quickly generates highquality graph partitions. For example, it can partition wdc12, the largest publicly available web-crawl graph with 4 billion vertices and 129 billion edges, in under 2 minutes for clusters with 128 machines. Our experiments show that it can produce quality partitions 6× faster on average than the state-of-theart stand-alone partitioner in the literature while supporting a wider range of partitioning policies.

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25

Escoubet, C. P., J. Berchem, K. J. Trattner, F. Pitout, R. Richard, M. G. G. T. Taylor, J. Soucek, et al. "Double cusp encounter by Cluster: double cusp or motion of the cusp?" Annales Geophysicae 31, no. 4 (April 19, 2013): 713–23. http://dx.doi.org/10.5194/angeo-31-713-2013.

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Abstract. Modelling plasma entry in the polar cusp has been successful in reproducing ion dispersions observed in the cusp at low and mid-altitudes. The use of a realistic convection pattern, when the IMF-By is large and stable, allowed Wing et al. (2001) to predict double cusp signatures that were subsequently observed by the DMSP spacecraft. In this paper we present a cusp crossing where two cusp populations are observed, separated by a gap around 1° Invariant Latitude (ILAT) wide. Cluster 1 (C1) and Cluster 2 (C2) observed these two cusp populations with a time delay of 3 min, and about 15 and 42 min later Cluster 4 (C4) and Cluster 3 (C3) observed, respectively, a single cusp population. A peculiarity of this event is the fact that the second cusp population seen on C1 and C2 was observed at the same time as the first cusp population on C4. This would tend to suggest that the two cusp populations had spatial features similar to the double cusp. Due to the nested crossing of C1 and C2 through the gap between the two cusp populations, C2 being first to leave the cusp and last to re-enter it, these observations are difficult to be explained by two distinct cusps with a gap in between. However, since we observe the cusp in a narrow area of local time post-noon, a second cusp may have been present in the pre-noon sector but could not be observed. On the other hand, these observations are in agreement with a motion of the cusp first dawnward and then back duskward due to the effect of the IMF-By component.

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26

Kim, Ki-Ho, and Kyeongwon Yoo. "An Empirical Analysis of Asymmetries in the Term Structure of Korean Government Bonds Using CCR-CUSUM Test." Journal of Money & Finance 32, no. 1 (March 31, 2018): 45–89. http://dx.doi.org/10.21023/jmf.32.1.2.

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27

Ženíšek, Alexander. "Variational problems in domains with cusp points." Applications of Mathematics 38, no. 4 (1993): 381–403. http://dx.doi.org/10.21136/am.1993.104561.

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28

Spengel, Christoph. "Kollektivversagen: Cum/Cum, Cum/Ex und Hopp!" Wirtschaftsdienst 97, no. 7 (July 2017): 454–55. http://dx.doi.org/10.1007/s10273-017-2161-y.

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29

Agler, J., and J. E. McCarthy. "Cusp algebras." Publicacions Matemàtiques 53 (January 1, 2009): 111–18. http://dx.doi.org/10.5565/publmat_53109_05.

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30

Beckwith, John. "CUMS Remembered." Canadian University Music Review 20, no. 1 (May 16, 2013): 1–4. http://dx.doi.org/10.7202/1015643ar.

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On the occasion of his induction as a lifetime honorary member of the Canadian University Music Society, the Dean of Canadian composers, John Beckwith, offers a personal reflection on the triumphs and vicissitudes across more than thirty years of the Society. From its 1964 founding as a network of music deans and directors under the acronym CAUSM, through its metamorphosis into a learned society in the 1980s, to its present day hybrid form, CUMS is remembered—with affection and whimsy—as an agent in development of the Canadian music establishment.

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31

Gordon, Tom. "CUMS Imagined." Canadian University Music Review 20, no. 1 (May 16, 2013): 5–8. http://dx.doi.org/10.7202/1015644ar.

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Encouraged by the engaging reflections of John Beckwith, the current President of the Canadian University Music Society, Tom Gordon, peers into the institutional crystal ball to imagine the challenges that lay ahead for the Society and the roles it might play in the future. Building on the organization's strengths of disciplined scholarship and the healthy diversity that characterizes our membership, a provocative role is envisaged for CUMS in communication around the many issues that unite the Canadian university music milieu.

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32

Dick, Thom. "Cuss Bucket." JEMS: Journal of Emergency Medical Services 31, no. 5 (May 2006): 26. http://dx.doi.org/10.1016/s0197-2510(06)70384-9.

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33

Murgatroyd, H., U. M. Belliappa, and M. Purva. "Defending CUSUM." Anaesthesia 66, no. 8 (July 13, 2011): 745–46. http://dx.doi.org/10.1111/j.1365-2044.2011.06811_1.x.

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34

Gilmore, R., S. Kais, and R. D. Levine. "Quantum cusp." Physical Review A 34, no. 3 (September 1, 1986): 2442–52. http://dx.doi.org/10.1103/physreva.34.2442.

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35

Guckenheimer, John, and Yuri Kuznetsov. "Cusp bifurcation." Scholarpedia 2, no. 4 (2007): 1852. http://dx.doi.org/10.4249/scholarpedia.1852.

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36

Savin, Gordan. "Cusp forms." Israel Journal of Mathematics 80, no. 1-2 (June 1992): 195–205. http://dx.doi.org/10.1007/bf02808162.

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37

Krauskopf, Bernd, Hinke M. Osinga, and Bruce B. Peckham. "Unfolding the Cusp-Cusp Bifurcation of Planar Endomorphisms." SIAM Journal on Applied Dynamical Systems 6, no. 2 (January 2007): 403–40. http://dx.doi.org/10.1137/060672753.

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38

Sharma, Gaurav, and Archna Nagpal. "Talon Cusp: A Prevalence Study of Its Types in Permanent Dentition and Report of a Rare Case of Its Association with Fusion in Mandibular Incisor." Journal of Oral Diseases 2014 (January 21, 2014): 1–6. http://dx.doi.org/10.1155/2014/595189.

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Purpose. The data on various types of talon cusp, a rare developmental anomaly that occurs predominantly on palatal surfaces of maxillary incisors with varied prevalence in different populations, is scarce. Thus, the purpose of study was to evaluate prevalence of various types of talon cusp and its association with sex predilection, site, and other dental anomalies and complications. Subjects and Methods. A cross-sectional prevalence study for various types of talon cusp was conducted in 5200 patients selected randomly. Hattab’s classification criterion was used for diagnosis of types of talon cusp. The clinical diagnosis was confirmed with radiograph. Results. The prevalence of talon cusp was found to be 0.02% (1 in 430 cases). 12 cases of talon cusp in 10 patients (60% males) were documented (2 bilateral cases and 8 unilateral). Type I talon cusp and type II talon cusp were present in five cases each (40.1%) and type III talon cusp was observed in two (16.2%) cases. Conclusion. Type I talon cusp and type II talon cusp were the most common types and permanent maxillary central incisor was the most commonly involved tooth (50%). An extremely rare case of talon cusp on a fused permanent mandibular incisor is also reported.

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Merkt, Hanno. "Cum/Ex- und Cum/Cum-Geschäfte als Marktmissbrauch." Zeitschrift für Bankrecht und Bankwirtschaft 33, no. 3 (June 15, 2021): 162–77. http://dx.doi.org/10.15375/zbb-2021-0304.

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Zusammenfassung Der Skandal um Cum/Ex- und Cum/Cum-Geschäfte beschäftigt die deutsche Öffentlichkeit seit vielen Jahren. Dabei stand und steht bis heute die steuerrechtliche Seite, d. h. die steuer- und strafrechtliche Bewertung der doppelten Erstattung nur einmal gezahlter Kapitalertragssteuer (Cum/Ex) bzw. die Erstattung von Kapitalertragsteuer, die eigentlich beim Fiskus zu verbleiben hat (Cum/Cum) im Mittelpunkt. Bislang noch nicht untersucht wurde die Frage der kapitalmarkt- und börsenrechtlichen Bewertung solcher Geschäfte unter dem Gesichtspunkt des Marktmissbrauchs. Dieser Aufgabe widmet sich der folgende Beitrag.

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Lee, Jae-Hoon, Jin-Hwa Jeong, and Young-Tae Chae. "Fault Detection Algorithm for Photovoltaic Generation Systems with CUSUM." Journal of The Korean Society of Living Environmental System 27, no. 3 (June 30, 2020): 318–27. http://dx.doi.org/10.21086/ksles.2020.06.27.3.318.

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Lee, Youngsun, and Taewook Lee. "A Numerical Study on CUSUM Test for Volatility Shifts Against Long-Range Dependence." Korean Journal of Applied Statistics 27, no. 2 (April 30, 2014): 291–305. http://dx.doi.org/10.5351/kjas.2014.27.2.291.

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Lai, Feng-Min, Yao-Tsung Yang, and Sin-Liang Ou. "Thermal, Optical, and Microstructural Properties of Magnetron Sputter-Deposited CuSi Films forApplication in Write-Once Blu-Ray Discs." Coatings 9, no. 4 (April 18, 2019): 260. http://dx.doi.org/10.3390/coatings9040260.

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In this study, 16-nm-thick CuSi films were deposited at room temperature by DC magnetron sputtering. The thermal, optical, and microstructural properties of CuSi films were investigated in detail. Moreover, the CuSi film was further used as a recording layer for write-once blu-ray disc (BD-R) applications. Based on the result of the reflectivity–temperature measurement, the CuSi layer had a decrease in the reflectivity between 180 and 290 °C. The as-deposited CuSi film possessed the Cu3Si phase. After annealing at 300 °C, the Si atoms existed in the CuSi film segregated and crystallized to the cubic Si phase. The activation energy of Si crystallization in the CuSi film was determined to be 1.2 eV. The dynamic tests presented that the BD-R containing the CuSi recording layer had minimum jitter values of 7.0% at 6 mW and 7.2% at 9 mW, respectively, for 1× and 4× recording speeds. This reveals that the CuSi film has great potential in BD-R applications.

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ZHENG, XI-RONG, YI-HUA TONG, JING-BO NI, ZAI-XIONG CHEN, and NIAN-HE XIA. "Phyllostachys danxiashanensis (Poaceae: Bambusoideae), a new species from south China." Phytotaxa 388, no. 2 (January 15, 2019): 201. http://dx.doi.org/10.11646/phytotaxa.388.2.7.

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A new bamboo species, Phyllostachys danxiashanensis (Poaceae: Bambusoideae), is described from Danxia Mountain, Northern Guangdong. This new species is similar to P. rivalis in having papery culm sheaths, erect culm sheath blades and the absence of culm sheath auricles, but it differs from P. rivalis by its much longer cilia on culm sheath ligules, hispid culm sheaths, and fewer leaves on ultimate branches.

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Izzat, Mohammad Bashar, and Mohammad Mouath Alkhayat. "Templates of flat pericardial patterns for precise aortic cusp extension." Asian Cardiovascular and Thoracic Annals 26, no. 5 (June 2018): 361–66. http://dx.doi.org/10.1177/0218492318780482.

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Background Aortic cusp extension is a subjective and operator-dependent technique. In order to facilitate surgical correction of aortic cusp retraction and reestablishment of adequate cusp coaptation, we sought to develop new templates that can be used to cut flat pericardial sheets into precise cusp extension patches. Methods Each template was designed as a two-dimensional unwrap of the natural geometry of a complete aortic cusp, and a series of templates were made available to correspond with all potential aortic cusp sizes. Based on these templates, aortic cusp extension was performed in 2 patients (aged 54 and 43 years) with significant retraction of the noncoronary aortic cusps and severe aortic valve insufficiency. In each patient, extension of the retracted native noncoronary cusp was undertaken using a bovine pericardial patch that matched the size of adjacent nondiseased native aortic cusps. Results Achieving geometrically perfect aortic cusp extensions was uncomplicated, and intraoperative transesophageal echocardiography confirmed satisfactory aortic valve repairs (aortic insufficiency < 1+ and low transvalvular gradients). Early follow-up transthoracic echocardiography confirmed that all valve cusps met at similar heights in the aortic root, and that their excursions were virtually identical. Conclusions The newly designed templates can be used to cut flat pericardial sheets into exact cusp extension patches, and initial clinical experience indicates that they are useful in performing precise aortic cusp extension procedures and restoring adequate aortic valve competence.

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Trattner, K. J., S. A. Fuselier, T. K. Yeoman, A. Korth, M. Fraenz, C. Mouikis, H. Kucharek, et al. "Cusp structures: combining multi-spacecraft observations with ground-based observations." Annales Geophysicae 21, no. 10 (October 31, 2003): 2031–41. http://dx.doi.org/10.5194/angeo-21-2031-2003.

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Abstract. Recent simultaneous observations of cusp structures with Polar, FAST and Interball revealed remarkably similar features at spacecraft crossing the cusp. Such stable cusp structures could be observed up to several hours only during stable solar wind conditions. Their similarities led to the conclusion that for such conditions large-scale cusp structures are spatial structures related to a global ionospheric convection pattern and not the result of temporal variations in reconnection parameters. With the launch of the Cluster fleet we are now able to observe precipitating ion structures in the cusp with three spacecraft and identical instrumentation. The orbit configuration of the Cluster spacecraft allows for delay times between spacecraft of about 45 min in crossing the cusp. The compact configuration of three spacecraft at about the same altitude allows for the analysis of cusp structures in great de-tail and during changing solar wind conditions. Cluster observations on 25 July 2001 are combined with SuperDARN radar observations that are used to derive a convection pattern in the ionosphere. We found that large-scale cusp structures for this Cluster cusp crossing are in agreement with structures in the convection pattern and conclude that major cusp structures can be consistent with a spatial phenomenon.Key words. Magnetospheric physics (energetic particles, precipitating, magnetopause, cusp arid and boundary layers; solar wind-magnetosphere interactions)

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Saito, Kuniaki, Keiichi Kobayashi, Shohei Iijima, Yoshie Matsumoto, Daisuke Shimada, Yoshiaki Shiokawa, and Motoo Nagane. "STMO-18 SUBPIAL RESECTION OF GLIOMA USING CUSA CLARITY." Neuro-Oncology Advances 1, Supplement_2 (December 2019): ii20—ii21. http://dx.doi.org/10.1093/noajnl/vdz039.092.

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Abstract BACKGROUND Maximum safe resection is a primary goal of glioma surgery. Ultrasonic aspiration is commonly used technique in neurosurgery, as it allows for safely debulking of tumors without damaging the adjacent brain tissue. CUSA Clarity helps to avoid damage to blood vessels and nerve fibers due to its original function, ‘Tissue Select’. Here we introduce glioma surgery using CUSA Clarity. METHODS We used CUSA Clarity in three cases with glioma at Kyorin University Hospital. According to fragility of the tissues and hardness of the tumor, we adjusted power, irrigation, and Tissue Select level of CUSA Clarity. We also introduce subpial aspiration technique in glioma surgery using normal CUSA. RESULTS Histological diagnoses of the three patients were WHO grade IV glioblastoma, grade III anaplastic astrocytoma, and grade II oligodendroglioma. All patients underwent successful maximum safe resection without ischemic complication. CUSA Clarity allowed for safe subpial dissection and preservation of pia and small vessels more perfectly than surgery using normal CUSA. CUSA Clarity also contributed to bloodless dissection of the tumor margin due to avoidance of feeder injury. When using Tissue Select mode, the power of the CUSA was elevated by 10 or 20 to aspirate the tumor effectively. CONCLUSION CUSA Clarity contributes to safe resection of glioma due to selective tumor aspiration by Tissue Select.

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Nuyts, Siegmund, Zili Li, Kieran Hickey, and Jimmy Murphy. "Field Observations of a Multilevel Beach Cusp System and Their Swash Zone Dynamics." Geosciences 11, no. 4 (March 24, 2021): 148. http://dx.doi.org/10.3390/geosciences11040148.

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This paper presents the observed morphological evolution of a multilevel beach cusp system in Long Strand, Co. Cork, Ireland. The surveys were carried out with an Unmanned Aerial Vehicle (UAV) system between March and September 2019. From this site, three levels of beach cusps on the beachface (i.e., lower beach level, mid beach level and upper beach level), and critical cusp parameters are reported, including cusp spacing, cusp elevation, cusp depth, and cusp amplitude. Thus far, such an extensive dataset has not previously been reported in the literature from a single site. The evolution of the different cusp parameters is then linked with the hydrodynamics in the study area, and new prediction theories are proposed for the different cusp parameters. The Lower beach level cusps (1 < z < 2.5 m Irish Transverse Mercator (ITM)) changed with every tide and appeared when surf-similarity parameter-ξ0 < 1.55. These cusps had a mean cusp spacing of λmean = 11.09 m, which are closely linked with the predictions of the self-organisation theory (p < 0.05). In contrast, the Mid beach level cusps (2.5 < z < 3.5 m ITM) are less dynamic compared to the Lower beach level cusps and can persist between spring tidal cycles. They had a mean cusp spacing of λmean = 18.17 m. The Upper beach level cusps (approximately z = 6 m ITM) are above astronomical tide levels and have a mean cusp spacing of λmean = 40.26 m. They did not change significantly over the survey period due to a lack of major storm events. These findings give a better understanding of the evolution of different cusp parameters for a multilevel beach cusp system and can be used to formulate a global theory regarding their change over time.

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Yan, Dong, Rhonda Perriman, Haller Igel, Kenneth J. Howe, Megan Neville, and Manuel Ares. "CUS2, a Yeast Homolog of Human Tat-SF1, Rescues Function of Misfolded U2 through an Unusual RNA Recognition Motif." Molecular and Cellular Biology 18, no. 9 (September 1, 1998): 5000–5009. http://dx.doi.org/10.1128/mcb.18.9.5000.

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ABSTRACT A screen for suppressors of a U2 snRNA mutation identified CUS2, an atypical member of the RNA recognition motif (RRM) family of RNA binding proteins. CUS2 protein is associated with U2 RNA in splicing extracts and interacts with PRP11, a subunit of the conserved splicing factor SF3a. Absence of CUS2 renders certain U2 RNA folding mutants lethal, arguing that a normal activity of CUS2 is to help refold U2 into a structure favorable for its binding to SF3b and SF3a prior to spliceosome assembly. Both CUS2 function in vivo and the in vitro RNA binding activity of CUS2 are disrupted by mutation of the first RRM, suggesting that rescue of misfolded U2 involves the direct binding of CUS2. Human Tat-SF1, reported to stimulate Tat-specific, transactivating region-dependent human immunodeficiency virus transcription in vitro, is structurally similar to CUS2. Anti-Tat-SF1 antibodies coimmunoprecipitate SF3a66 (SAP62), the human homolog of PRP11, suggesting that Tat-SF1 has a parallel function in splicing in human cells.

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Shi, J., J. Guo, M. Dunlop, T. Zhang, Z. Liu, E. Lucek, A. Fazakerley, H. Rème, and I. Dandouras. "Inter-hemispheric asymmetry of dependence of the cusp location on dipole tilt during northward IMF conditions." Annales Geophysicae 30, no. 1 (January 5, 2012): 21–26. http://dx.doi.org/10.5194/angeo-30-21-2012.

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Abstract. A data set of the Cluster cusp crossings over a 5-year period is studied for the interhemispheric comparison of the dipole tilt angle effect on the latitude of the mid-altitude cusp. The result shows that the dipole tilt angle has a clear control of the cusp latitudinal location. Although, the northern cusp moves 0.054° ILAT for every 1° increase in the dipole tilt angle at the mean altitude of 5.2 RE, the southern cusp moves 0.051° ILAT for every 1° increase in the dipole tilt angle at the mean altitude of 6.6 RE. The northern cusp dependence agrees with the trend formed by other observations of different satellites for different altitudes, whereas the southern cusp does not. We therefore suggest that there is an inter-hemispheric difference in the dipole tilt angle dependence of cusp, latitudinal location, which has an impact on other observations of different satellites in different altitudes.

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Chaowana, Kitti, Supanit Wisadsatorn, and Pannipa Chaowana. "Bamboo as a Sustainable Building Material—Culm Characteristics and Properties." Sustainability 13, no. 13 (July 1, 2021): 7376. http://dx.doi.org/10.3390/su13137376.

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Bamboo culm is a renewable and lightweight material with high strength, particularly tensile strength. It is well accepted that bamboo culms have played a significant role in architecture because of their sustainable contribution. The culm characteristics and properties of three-year-old bamboo from five species (Dendrocalamus asper, Dendrocalamus sericeus, Dendrocalamus membranaceus, Thyrsostachys oliveri, and Phyllostachys makinoi) were investigated. The results show that each bamboo species has different culm characteristics along with culm length. Culm size, particularly the outer culm diameter and culm wall thickness, affects the ultimate load. These results confirm that a bigger culm with a thicker wall could receive more load. D. asper received the highest ultimate load, while T. oliveri received the lowest ultimate load. However, when calculating the test results for stress (load per cross-section area), P. Makinoi showed excellent mechanical properties, while D. asper showed the worst mechanical properties. This research promotes bamboo’s appropriate use for building applications and as a more sustainable material for architecture.

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