Academic literature on the topic 'Hydrophobicity'

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Journal articles on the topic "Hydrophobicity"

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Haymet, A. D. J. "Hydrophobicity." Current Biology 9, no. 3 (1999): R81—R82. http://dx.doi.org/10.1016/s0960-9822(99)80053-0.

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Galli, G. "Dissecting hydrophobicity." Proceedings of the National Academy of Sciences 104, no. 8 (2007): 2557–58. http://dx.doi.org/10.1073/pnas.0700176104.

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Andrew Karplus, P. "Hydrophobicity regained." Protein Science 6, no. 6 (1997): 1302–7. http://dx.doi.org/10.1002/pro.5560060618.

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Tian, Ye, and Lei Jiang. "Intrinsically robust hydrophobicity." Nature Materials 12, no. 4 (2013): 291–92. http://dx.doi.org/10.1038/nmat3610.

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Eichacker, Lutz A., Bernhard Granvogl, Oliver Mirus, Bernd Christian Müller, Christian Miess, and Enrico Schleiff. "Hiding behind Hydrophobicity." Journal of Biological Chemistry 279, no. 49 (2004): 50915–22. http://dx.doi.org/10.1074/jbc.m405875200.

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Graziano, Giuseppe. "Hydrophobicity of benzene." Biophysical Chemistry 82, no. 1 (1999): 69–79. http://dx.doi.org/10.1016/s0301-4622(99)00105-2.

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Taher, I. A. A., and T. W. Macfarlane. "Hydrophobicity ofActinobacillus actinomycetemcomitans." Microbial Ecology in Health and Disease 4, no. 2 (1991): 101–4. http://dx.doi.org/10.3109/08910609109140270.

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Naylor, Gavin J. P., Timothy M. Collins, and Wesley M. Brown. "Hydrophobicity and phylogeny." Nature 373, no. 6515 (1995): 565–66. http://dx.doi.org/10.1038/373565b0.

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Macko, Jan, Natalia Podrojková, Renata Oriňaková, and Andrej Oriňak. "New insights into hydrophobicity at nanostructured surfaces: Experiments and computational models." Nanomaterials and Nanotechnology 12 (January 2022): 184798042110623. http://dx.doi.org/10.1177/18479804211062316.

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This review deals with different aspects of hydrophobicity at nanostructured surfaces. Theoretical and geometric effects as well as those of surface feature geometry on hydrophobicity are explored in this article. This review includes surface modification methods used to change surface hydrophobicity and effect on adhesion of cells as nano substrate. A small chapter is devoted to hydrophobicity at self-assembled monolayers as a special type of nanostructured surface. To the different models describing hydrophobicity is devoted one up to dated chapter. Calculation methods including quantum, den
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Schneider, P. F., and T. V. Riley. "Cell-surface hydrophobicity ofStaphylococcus saprophyticus." Epidemiology and Infection 106, no. 1 (1991): 71–75. http://dx.doi.org/10.1017/s0950268800056454.

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SUMMARYThe cell-surface hydrophobicity of 100 urinary isolates ofStaphylococcus saprophyticus, cultured from symptomatic females in the general population, was assessed using a two-phase aqueous: hydrocarbon system. Relatively strong cell-surface hydrophobicity was exhibited by 79 isolates using the criteria employed, while only 2 of the remaining 21 isolates failed to demonstrate any detectable hydrophobicity. Cell-surface hydrophobicity may be a virulence factor ofS. saprophyticus. important in adherence of the organism to uroepithelia. Additionally, the data support the concept that cell-su
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Dissertations / Theses on the topic "Hydrophobicity"

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Jones, Amanda Kay. "Hydrophobicity in polysaccharide gelation." Thesis, Cranfield University, 1992. http://dspace.lib.cranfield.ac.uk/handle/1826/4595.

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The role of hydrophobic substituents on the gelation mechanism of highly esterified pectin and the cellulose derivatives methylcellulose and hydroxypropylmethylcellulose (HPMC) has been explored by monitoring the behaviour of the amphiphilic polysaccharides in varying combinations of an ethylene glycoVwater solvent. The gelling ability (mechanical spectroscopy, visual observation) of very highly esterified (- 100%) pectin in high concentrations of ethylene glycol (>60%) is greatly reduced, however, the polymer still undergoes conformational ordering (CD, OR). A model for gel formation involvin
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Jäger, Robert. "Quantification and localization of molecular hydrophobicity." [S.l. : s.n.], 2000. http://deposit.ddb.de/cgi-bin/dokserv?idn=960539999.

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Crawford, Russell J., and n/a. "Particle size, hydrophobicity and flotation response." Swinburne University of Technology, 1986. http://adt.lib.swin.edu.au./public/adt-VSWT20070828.150946.

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Quartz particles of various discrete particle size ranges have been methylated to varying known mounts using trimethylchlorosilane and their flotation behaviour has been assessed in a modification of the Hallimond tube. For each particle size there is a definite degree of. surface coverage below which the particles do not float. A 'flotation domain' is identified which shorvs that both coarse (-100pm) and fine (-10pm) particles require a greater degree of surface coverage to initiate flotation than do intermediate (-40pm) particles. Water contact angles have been measured on quartz plates and
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Fergusson, Christian. "Hydrophobicity of Low Temperature Vibrating Surfaces." VCU Scholars Compass, 2018. https://scholarscompass.vcu.edu/etd/5589.

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This study proposes a method to enhance the anti-icing capabilities of superhydrophobic surfaces by utilizing vibration to further reduce contact time of an impacting droplet in addition to keeping the droplet in the Cassie-Baxter regime, where surface adhesion is lower than the opposing Wenzel regime. We tested this with two methods: by investigating the effects of vibration normal to the plane of a superhydrophobic surface being impacted by water droplets in a room temperature environment, with the surface horizontal in a room temperature environment and tiled in a subzero degree environment
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Guo, Hua. "Bio-inspired surface engineering for hydrophobicity." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2014. https://ro.ecu.edu.au/theses/1013.

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Highly evolved, efficient and sophisticated biological systems can be used as models for scientific innovations. This research explored specific surface structures on plant leaves with respect to their hydrophobicity in the context of the often arid Australian climate. The relationships between leaf surface structures and their hydrophobicity could inform the making of artificial surfaces with specially designed hydrophobicity. Moderate hydrophobicity and strong surface adhesion were discovered on many study plant leaves. Scanning Electron Microscopy (SEM) revealed that their surface morpholog
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Arbabzadeh, Sima-Dokht. "Functionality hydrophobicity relationships of selected food proteins." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=69580.

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Commercial food proteins were used in order to study the relationship between hydrophobicity and two functional properties: emulsification and foaming. Hydrophobicity determined by sodium dodecyl sulfate (SDS) binding method and the cis-parinaric acid (CPA) fluorescence probe method gave poor statistical correlation with foaming and emulsification. The SDS binding method gave higher hydrophobicity and higher correlation values with foaming and emulsifying, than the fluorescence probe CPA method.<br>Fourier Transform Infrared (FTIR) spectroscopy was used to study the secondary structures, of th
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Chacko, Blesson. "Hydrophobicity, solvation and structure formation in liquids." Thesis, Loughborough University, 2017. https://dspace.lboro.ac.uk/2134/27536.

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In this thesis we use density functional theory (DFT) to study the solvent mediated interactions between solvophobic, solvophilic and patchy nanostructures namely rectangular cross section blocks. We calculate both the density profiles and local compressibility around the blocks and the results obtained for our model system provide a means to understanding the basic physics of solvent mediated interactions between nanostructures, and between objects such as proteins in water, that possess hydrophobic and hydrophilic patches. Our results give an improved understanding of the behaviour of liquid
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Ho, Thu. "DEVELOPMENT OF MAGNETIC FABRICS WITH TUNABLE HYDROPHOBICITY." VCU Scholars Compass, 2012. http://scholarscompass.vcu.edu/etd/400.

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Polystyrene (PS) fiber mats incorporating iron (Fe) particles were fabricated by electrospinning and the hydrophobicity of the resulting magnetic fabrics was investigated with and without an applied magnetic field. The results show that the hydrophobicity (as measured using water droplet contact angle) increases in the presence of a magnetic field and the hysterisis in the advancing/receding contact angle (a measure of the stickiness of the surface) decreases in the presence of a magnetic field. It is also shown that the contact angle and hysterises increase with decreasing fiber diameter an
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Akhtar, Mst Alpona. "Hydrophobicity of Magnetite Coating on Low Carbon Steel." Thesis, University of North Texas, 2018. https://digital.library.unt.edu/ark:/67531/metadc1248389/.

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Superhydrophobic coatings (SHC) with excellent self-cleaning and corrosion resistance property is developed on magnetite coated AISI SAE 1020 steel by using a simple immersion method. Roughness measurement, scanning electron microscopy (SEM), atomic force microscopy (AFM), X-ray diffraction (XRD), contact angle measurement (CAM), energy dispersive spectroscopy (EDS), Fourier transform infrared spectroscopy (FTIR), potentiodynamic polarization test, electrochemical impedance spectroscopy (EIS), and qualitative characterization of self-cleaning behavior, antifouling property and durability of th
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SALASSI, SEBASTIAN. "Charge and hydrophobicity effects at nano-bio interfaces." Doctoral thesis, Università degli studi di Genova, 2020. http://hdl.handle.net/11567/999127.

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Gold nanoparticles coated with bio-compatible ligands are promising tools for biomedical applications due their water solubility, bio-compatibility and efficient light-to-heat conversion. In in vivo applications, nanoparticles come in contact with many biological molecules before being delivered to cells. The understanding of the physical and chemical nature of these different nano-bio interfaces is crucial to the rational design of nanoparticles with biomedical applications. The aim of this thesis is to understand, by molecular dynamics, how the composition, hydrophobicity and charge of the l
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Books on the topic "Hydrophobicity"

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J, Doyle Ronald, and Rosenberg Mel, eds. Microbial cell surface hydrophobicity. American Society for Microbiology, 1990.

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Du, Qishi. Developments in structure-based theoretical modeling of hydrophobicity for computer-aided drug design. Laurentian University Press, 1995.

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Lelono, T. D. Effect of corona impingement on hydrophobicity of polyethylene, polypropylene, polyvinylchloride, polymethylmethacrylate and phenolic resin. UMIST, 1994.

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Alizai, A. K. Effect of corona impingement on hydrophobicity of various organic polymers with regard to ageing. UMIST, 1996.

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Filippopoulos, K. Effect of D.C. Corona impingement on Hydrophobicity of Polythylene, Polyproylene, Polyvinychloride, Polymethylmethacrylate and Phenolic Resin. UMIST, 1998.

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National Veterinary Institute (Uppsala, Sweden) and Sveriges langbruksuniversitet. Veterinärmedicinska fakulteten. Department of Veterinary Microbiology. Section of Bacteriology and Epizootology, eds. Virulence determinants of Staphylococcus aureus: Virulence studies of alpha-toxin, coagulase, and protein A mutants and recombinants and studies of cell-surface hydrophobicity. Dept. of Veterinary Microbiology, Section of Bacteriology and Epizootology, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, 1986.

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Samuelsson, Matts-Ola. Degradation of adsorbed protein by attached bacteria in relationship to surface hydrophobicity. 1991.

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Superhydrophobic surfaces. VSP, 2009.

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Berg, Marcus. Estimation of Hydrophobicity of Insulating Surfaces by Studying Sessile Water Drops (Uppsala Dissertations from the Faculty of Science & Technology, 33) ... the Faculty of Science & Technology, 33). Coronet Books, 2001.

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Hydrophobic and Superhydrophobic Organic-Inorganic Nano-Hybrids. Taylor & Francis Group, 2018.

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Book chapters on the topic "Hydrophobicity"

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Kobayashi, Kensei. "Hydrophobicity." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-44185-5_5243.

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Sigmund, Wolfgang M., and Shu-Hau Hsu. "Hydrophobicity." In Encyclopedia of Membranes. Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-44324-8_1383.

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Sigmund, Wolfgang M., and Shu-Hau Hsu. "Hydrophobicity." In Encyclopedia of Membranes. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-40872-4_1383-3.

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Kobayashi, Kensei. "Hydrophobicity." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-65093-6_5243.

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Kobayashi, Kensei. "Hydrophobicity." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-27833-4_5243-2.

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Lag, J., Amos Hadas, Rhodes W. Fairbridge, et al. "Hydrophilicity, Hydrophobicity." In Encyclopedia of Soil Science. Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-3995-9_279.

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Smith, David E., and A. D. J. Haymet. "Computing Hydrophobicity." In Reviews in Computational Chemistry. John Wiley & Sons, Inc., 2003. http://dx.doi.org/10.1002/0471466638.ch2.

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Zhang, Yue, and Zile Xiao. "Surface Hydrophobicity." In Methods and Protocols in Food Science. Springer US, 2024. https://doi.org/10.1007/978-1-0716-4272-6_21.

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Hallett, Paul D., Jörg Bachmann, Henryk Czachor, Emilia Urbanek, and Bin Zhang. "Hydrophobicity of Soil." In Encyclopedia of Agrophysics. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-90-481-3585-1_195.

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Dworkin, Jonathan E., and George D. Rose. "Hydrophobicity Profiles Revisited." In Methods in Protein Sequence Analysis · 1986. Humana Press, 1987. http://dx.doi.org/10.1007/978-1-59259-480-1_49.

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Conference papers on the topic "Hydrophobicity"

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Correia, Paulo Romano Cruz, Débora Leal, Vinícius Oliveira, Eduardo Kerche, and Rodrigo Polkowski. "INFLUENCE OF GRAPHENE ON POLYMERS HYDROPHOBICITY: A SYSTEMATIC REVIEW." In X Simpósio Internacional de Inovação e Tecnologia. Editora Blucher, 2024. https://doi.org/10.5151/siintec2024-393470.

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Ozdemir, Idris, Halil Ibrahim Uckol, and Suat Ilhan. "Regression-Based Estimation of Silicone Rubber Hydrophobicity Via Deep Learning." In 2024 IEEE International Conference on High Voltage Engineering and Applications (ICHVE). IEEE, 2024. http://dx.doi.org/10.1109/ichve61955.2024.10676223.

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Tao, Bo, Li Cheng, Yuxin He, Shuo Zhang, and Yanyan Bao. "Characteristics of hydrophobicity transfer in the Tangential Direction of Silicone Rubber." In 2024 IEEE International Conference on High Voltage Engineering and Applications (ICHVE). IEEE, 2024. http://dx.doi.org/10.1109/ichve61955.2024.10676055.

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Hongjie Sun, Yang Wang, Jiansheng Chen, and Henrik Hillborg. "Silicone rubber with improved hydrophobicity." In 2015 IEEE Conference on Electrical Insulation and Dielectric Phenomena - (CEIDP). IEEE, 2015. http://dx.doi.org/10.1109/ceidp.2015.7352048.

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Hossain, Mohammad Motaher, and Vinay Reddy Lokasani. "Hydrophobicity Improvements of Polymers Used in Biomedical Applications." In ASME 2022 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/imece2022-95610.

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Abstract Improvement in hydrophobicity is important for polymers used in various applications such as biomedical applications, as it can delay their degradation due to long-term exposure to moisture environments. Although a number of surface modification techniques have been developed over the years to improve hydrophobicity, their specific influences on hydrophobicity enhancement as well as long-term mechanical and tribological performances are yet to be fully understood. In this study, surface textures, with variation in type and geometry, are introduced on Ultrahigh Molecular Weight Polyeth
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Bai, Yun. "Research on hydrophobicity of graphene composites." In MATHEMATICAL SCIENCES AND ITS APPLICATIONS. Author(s), 2017. http://dx.doi.org/10.1063/1.4971890.

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Liang, Chao, Wenming Yang, and Qingmin Liao. "Water droplets segmentation for hydrophobicity classification." In ICASSP 2012 - 2012 IEEE International Conference on Acoustics, Speech and Signal Processing. IEEE, 2012. http://dx.doi.org/10.1109/icassp.2012.6288098.

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Hung, Lung-Hsin, and Abraham P. Lee. "Optimization of Droplet Generation by Controlling PDMS Surface Hydrophobicity." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-61737.

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This paper presents an optimized method for droplet generation in PDMS microchannels. With controllable PDMS surface hydrophobicity and hydrophobicity recovery, alternative component droplets can be generated as anticipated. Different surface hydrophobicity results in different droplet generation patterns. Monodispersed water-in-oil and oil-in-water droplets are generated from hydrophilic and hydrophobic surface respectively. Nearly hydrophilic surface (30°&amp;lt;θ&amp;lt;50°) results in long-tailed droplets and less hydrophilic surface (70°&amp;lt;θ&amp;lt;80°) results in stream mixing. Disc
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Hossain, Mohammad, and Ravi Chandra Madasani. "Improving the Long-Term Durability of Polymers Used in Biomedical Applications." In ASME 2023 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/imece2023-112796.

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Abstract Hydrophobic surfaces can improve the long-term mechanical response of polymers by delaying their degradation caused by moisture absorption over time. This improvement in long-term mechanical performance can significantly increase the lifespan of polymers used in various biomedical applications, such as total joint replacement prostheses applications. Although a number of surface modification techniques have been developed over the years, such as introduction of various textures on the surface; their specific influences on hydrophobicity enhancement as well as long-term mechanical perf
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Dan Cristea, Paul, Octavian Arsene, Rodica Tuduce, and Dan V. Nicolau. "Protein surface analysis. Part 1: Hydrophobicity densities." In 2011 10th International Symposium on Signals, Circuits and Systems (ISSCS). IEEE, 2011. http://dx.doi.org/10.1109/isscs.2011.5978748.

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Reports on the topic "Hydrophobicity"

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Labuschagne, B. C. J., T. D. Wheelock, R. K. Guo, H. T. David, and R. Markuszewski. Prediction of coal hydrophobicity. Office of Scientific and Technical Information (OSTI), 1988. http://dx.doi.org/10.2172/10163351.

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Kluger, Yuval. Membrane protein identification by hydrophobicity analysis. Office of Scientific and Technical Information (OSTI), 2001. http://dx.doi.org/10.2172/799206.

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Labuschagne, B. C. J., R. Markuszewski, T. D. Wheelock, R. K. Guo, and H. T. David. Moisture content as a predictor of coal hydrophobicity. Office of Scientific and Technical Information (OSTI), 1988. http://dx.doi.org/10.2172/10163787.

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Shamsutdinov, Artem, Igor Valtsifer, and Yan Huo. The manufacturing of fire-extinguishing powder materials with specific morphology and hydrophobicity of ammonium phosphates particles. Peeref, 2023. http://dx.doi.org/10.54985/peeref.2307p9690323.

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Kokpol, Sirirat. Relationships between biological activity and molecular properties of artemisinin compounds. Chulalongkorn University, 2001. https://doi.org/10.58837/chula.res.2001.38.

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Relationships between biological activity and molecular properties of 68 antimalarial artemisinin compounds were investigated in the quantitative manner. All compounds were geometrically optimized at the HF/3-21G level. Totally 102 molecular properties covering hydrophobicity, polarizability, electronic, and steric parameters were calculated from the optimized structures. The activities against 2 different strains of malarial parasites, D-6 and W-2, were taken from the literatures. Statistical analyses were performed to find the relationships between the activities and the calculated molecular
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Sanabria, Johana, Ginna Quiroga, Cindy Mejía, Erika Grijalba, and Martha Goméz. Effect of abiotic factors on viability and characterization of Metarhizium rileyi Nm017. Corporación colombiana de investigación agropecuaria - AGROSAVIA, 2019. http://dx.doi.org/10.21930/agrosavia.poster.2019.18.

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The species Chloridea virescens and Helicoverpa zea (Lepidoptera: Noctuidae) are declared agricultural pests with a high economic impact worldwide (Angulo et al. 2008). They are widely distributed on the American continent, and agrochemical are the most common method to control, which can cause environmental, social, economic and public impacts. A strain of Metarhizium rileyi Nm017 [AGROSAVIA - Orinoquia area (Col.)], demonstrated an e cacy of 75.8% on C. virescens, and 92.5% on H. zea on laboratory conditions. Mass production and virulence of Metarhizium sp. are susceptible to stress conditio
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Ruangpornvisuti, Vithaya. A Study of conformational equilibrium of semicarbazone derivatives and their complexes with cations : research report. Chulalongkorn University, 2006. https://doi.org/10.58837/chula.res.2006.36.

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The structure optimizations of picolinaldehyde N-oxide thiosemicarbazone (Hpiotsc), 2-benzoylpyridine semicarbazone (H2BzPS), their imino tautomers and their complexes with Ni(II), Cu(II) and Zn(II) were carried out using DFT calculations at the B3LYP/LANL2DZ level of theory. Thermodynamic properties of tautomerizations of Hpiotsc and H2BzPS and complexations of their complexes derived from the frequency calculations at the same level were obtained. The B3LYP/LANL2DZ-optimized geometry parameters for the complexes of [[Ni(Hpiotsc)[subscript 2]][superscript 2+]], [Cu(Hpiotsc).Cl[subscript 2]] a
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Wicker, Louise, Ilan Shomer, and Uzi Merin. Membrane Processing of Citrus Extracts: Effects on Pectinesterase Activity and Cloud Stability. United States Department of Agriculture, 1993. http://dx.doi.org/10.32747/1993.7568754.bard.

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The U.S. team studied the role of cations and pH on thermolabile (TL-PE) and thermostable (TS-PE), permeation in ultrafiltration (UF) membranes, affinity to ion exchange membranes, mechanism of cation and pH activation, and effect on PE stability. An optimum pH and cation concentration exists for activity and UF permeation, which is specific for each cation type. Incomplete release of PE from a pectin complex resulted in low PE binding to cationic and anionic membranes. Incubation of PE at low pH increases the surface hydrophobicity, especially TL-PE, but the secondary structure of TL-PE is no
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Wicker, Louise, and Nissim Garti. Entrapment and controlled release of nutraceuticals from double emulsions stabilized by pectin-protein hybrids. United States Department of Agriculture, 2004. http://dx.doi.org/10.32747/2004.7695864.bard.

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Original Objectives Specific objectives are to: (1) modify charge and hydrophobicity of pectins to improve emulsion stabilizing properties (2) develop emulsions that can be sterically stabilized using modified pectins and/or pectin/protein hybrids (3) obtain submicronal inner emulsion droplets (10-50 nanometers) with small and monodispersed double emulsion (1-2 μm) droplets with long-term stability (possibly by emulsified microemulsions) and (4) trigger and control the release at will. Background Methodology for encapsulation and controlled release of selected addenda, e.g. drugs, vitamins, ph
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Dashtey, Ahmed, Patrick Mormile, Sandra Pedre, Stephany Valdaliso, and Walter Tang. Prediction of PFOA and PFOS Toxicity through Log P and Number of Carbon with CompTox and Machine Learning Tools. Florida International University, 2024. http://dx.doi.org/10.25148/ceefac.2024.00202400.

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Perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS) are two major groups of PFAS will be subjected to the Maximal Contamination Concentration (MCL) of 4 ng/l in drinking water to be implemented by the U.S. EPA by 2025. How to accurately predict toxicity of PFAS with varied carbon chain length is important for treatment and sequential removal from drinking water. This study presents Quantitative Structure and Activity Relationship (QSAR) models developed through both linear regression and two order regression. Log P is compiled from reference and carbon content is counted as
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