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Journal articles on the topic 'Hydrophobicity'

Author: Grafiati
Published: 4 June 2021
Last updated: 26 July 2025

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1

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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2

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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3

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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4

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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5

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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6

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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7

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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8

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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9

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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10

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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11

Chalmers, G. W., J. M. Gosline, and M. A. Lillie. "The hydrophobicity of vertebrate elastins." Journal of Experimental Biology 202, no. 3 (1999): 301–14. http://dx.doi.org/10.1242/jeb.202.3.301.

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An evolutionary trend towards increasing hydrophobicity of vertebrate arterial elastins suggests that there is an adaptive advantage to higher hydrophobicity. The swelling and dynamic mechanical properties of elastins from several species were measured to test whether hydrophobicity is associated with mechanical performance. Hydrophobicity was quantified according to amino acid composition (HI), and two behaviour-based indices: the Flory-Huggins solvent interaction parameter (chi1), and a swelling index relating tissue volumes at 60 and 1 degrees C. Swelling index values correlated with chi1 a
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12

Bryant, R., S. H. Doerr, and M. Helbig. "Effect of oxygen deprivation on soil hydrophobicity during heating." International Journal of Wildland Fire 14, no. 4 (2005): 449. http://dx.doi.org/10.1071/wf05035.

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Previous studies of the effects of heating on soil hydrophobicity have been conducted under free availability of oxygen. Under fire, however, soils may be deprived of oxygen due to its consumption at the heat source and inadequate replenishment in the soil. In the present study, effects of heating on soil hydrophobicity are examined for three initially hydrophobic Australian eucalypt forest soils under standard and oxygen-deprived atmospheres for temperatures (T) of 250–600°C and durations (tE) 2–180 min. Hydrophobicity assessments using water droplet penetration time (WDPT) tests indicate sub
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13

Yan, Kang, and Zhong Yuan Zhang. "Application of Improved Back Propagation Neural Network for the Recognition of Composite Insulator Hydrophobicity Grade." Applied Mechanics and Materials 373-375 (August 2013): 1155–58. http://dx.doi.org/10.4028/www.scientific.net/amm.373-375.1155.

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The detection of hydrophobicity is an important way to evaluate the performance of composite insulator, which is helpful to the safe operation of composite insulator. In this paper, the image processing technology and Back Propagation neural network is introduced to recognize the composite insulator hydrophobicity grade. First, hydrophobic image is preprocessed by histogram equalization and adaptive median filter, then the image was segmented by Ostu threshold method, and four features associated with hydrophobicity are extracted. Finally, the improved Back Propagation neural network is adopte
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14

Tu, Jinglei, Jun Sheng Li, Guoxia Huang, and Liujuan Yan. "Correlation between surface hydrophobicity changes and surface activity changes of soybean protein isolates caused by structural changes." International Food Research Journal 31, no. 4 (2024): 952–67. https://doi.org/10.47836/ifrj.31.4.13.

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The present work aimed to examine the association between the changes in the surface hydrophobicity and surface activity of soybean protein isolate (SPI) following structural alterations. To this end, the effects of heating, pH modification, ultrasonication, surfactant (SDS, sodium dodecyl sulphate) treatment, alkaline protease hydrolysis, peracetic acid treatment, and acylation on the surface activity and surface hydrophobicity of SPI were investigated. The results demonstrated that the changes in the surface hydrophobicity of SPI could accurately reflect the changes in its surface activity.
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15

Ye, Jiayao. "Hydrophobicity in Guiding Biological Interactions and Related Applications." Theoretical and Natural Science 64, no. 1 (2024): 92–97. https://doi.org/10.54254/2753-8818/2024.18019.

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Hydrophobicity is a universal phenomenon in nature with profound effects on the structure and function of biological macromolecules, which holds great promise for biomedical applications. Therefore, this paper reviews recent research advances in hydrophobicity in guiding biological interactions and their applications, pointing out that the folding and aggregation of biomolecules, such as proteins and lipids, in water is greatly influenced by hydrophobicity, and that the repulsive force of hydrophobic groups leads to the formation of stable spatial structures of biomolecules, maintaining their
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16

Olorunfemi, Idowu. "Soil Hydrophobicity: An Overview." Journal of Scientific Research and Reports 3, no. 8 (2014): 1003–37. http://dx.doi.org/10.9734/jsrr/2014/7325.

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17

Dill, K. "The meaning of hydrophobicity." Science 250, no. 4978 (1990): 297–98. http://dx.doi.org/10.1126/science.2218535.

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18

Graziano, Giuseppe. "Cavity Thermodynamics and Hydrophobicity." Journal of the Physical Society of Japan 69, no. 5 (2000): 1566–69. http://dx.doi.org/10.1143/jpsj.69.1566.

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19

Reifsteck, F., S. Wee, and B. J. Wilkinson. "Hydrophobicity--hydrophilicity of staphylococci." Journal of Medical Microbiology 24, no. 1 (1987): 65–73. http://dx.doi.org/10.1099/00222615-24-1-65.

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20

Kumar, Anuj, Jaladhar Mahato, Mayank Dixit, and G. Naresh Patwari. "Progressive Hydrophobicity of Fluorobenzenes." Journal of Physical Chemistry B 123, no. 47 (2019): 10083–88. http://dx.doi.org/10.1021/acs.jpcb.9b08057.

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21

Greene, Mark E. "Light switches surface hydrophobicity." Materials Today 9, no. 11 (2006): 15. http://dx.doi.org/10.1016/s1369-7021(06)71690-x.

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22

Menger, F. M., and U. V. Venkataram. "A microscopic hydrophobicity parameter." Journal of the American Chemical Society 108, no. 11 (1986): 2980–84. http://dx.doi.org/10.1021/ja00271a029.

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23

Owen, Michael J. "Silicone Hydrophobicity and Oleophilicity." Silicon 9, no. 5 (2014): 651–55. http://dx.doi.org/10.1007/s12633-014-9188-0.

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24

Maimon, Adi, Amit Gross, and Gilboa Arye. "Greywater-induced soil hydrophobicity." Chemosphere 184 (October 2017): 1012–19. http://dx.doi.org/10.1016/j.chemosphere.2017.06.080.

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25

Bangham, J. Andrew. "Data-sieving hydrophobicity plots." Analytical Biochemistry 174, no. 1 (1988): 142–45. http://dx.doi.org/10.1016/0003-2697(88)90528-3.

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26

Nakai, Shuryo. "Measurement of Protein Hydrophobicity." Current Protocols in Food Analytical Chemistry 9, no. 1 (2003): B5.2.1—B5.2.13. http://dx.doi.org/10.1002/0471142913.fab0502s09.

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27

Ioelovich, Michael. "Adjustment of Hydrophobic Properties of Cellulose Materials." Polymers 13, no. 8 (2021): 1241. http://dx.doi.org/10.3390/polym13081241.

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In this study, physicochemical and chemical methods of cellulose modification were used to increase the hydrophobicity of this natural semicrystalline biopolymer. It has been shown that acid hydrolysis of the initial cellulose increases its crystallinity, which improves hydrophobicity, but only to a small extent. A more significant hydrophobization effect was observed after chemical modification by esterification, when polar hydroxyl groups of cellulose were replaced by non-polar substituents. The esterification process was accompanied by the disruption of the crystalline structure of cellulos
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28

Chen, Yuxin, Michael T. Guarnieri, Adriana I. Vasil, Michael L. Vasil, Colin T. Mant та Robert S. Hodges. "Role of Peptide Hydrophobicity in the Mechanism of Action of α-Helical Antimicrobial Peptides". Antimicrobial Agents and Chemotherapy 51, № 4 (2006): 1398–406. http://dx.doi.org/10.1128/aac.00925-06.

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ABSTRACT In the present study, the 26-residue amphipathic α-helical antimicrobial peptide V13KL (Y. Chen et al., J. Biol. Chem. 2005, 280:12316-12329, 2005) was used as the framework to study the effects of peptide hydrophobicity on the mechanism of action of antimicrobial peptides. Hydrophobicity was systematically decreased or increased by replacing leucine residues with less hydrophobic alanine residues or replacing alanine residues with more hydrophobic leucine residues on the nonpolar face of the helix, respectively. Hydrophobicity of the nonpolar face of the amphipathic helix was demonst
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29

Xie, Qiang, Tianhui Hao, Jifeng Zhang, Chao Wang, Rongkui Zhang, and Hui Qi. "Anti-Icing Performance of a Coating Based on Nano/Microsilica Particle-Filled Amino-Terminated PDMS-Modified Epoxy." Coatings 9, no. 12 (2019): 771. http://dx.doi.org/10.3390/coatings9120771.

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Coatings with anti-icing performance possess hydrophobicity and low ice adhesion strength, which delay ice formation and make ice removal easier. In this paper, the anti-icing performance of nano/microsilica particle-filled amino-terminated PDMS (A-PDMS)-modified epoxy coatings was investigated. In the process, the influence of the addition of A-PDMS on the hydrophobicity and ice adhesion strength was investigated. Furthermore, the influences of various weight ratios of nanosilica/microsilica (Rn/m) on the hydrophobicity and ice adhesion strength of the coating were investigated. Hydrophobicit
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30

Masuoka, James, and Kevin C. Hazen. "Cell Wall Mannan and Cell Surface Hydrophobicity in Candida albicans Serotype A and B Strains." Infection and Immunity 72, no. 11 (2004): 6230–36. http://dx.doi.org/10.1128/iai.72.11.6230-6236.2004.

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ABSTRACT Cell surface hydrophobicity contributes to the pathogenesis of the opportunistic fungal pathogen Candida albicans. Previous work demonstrated a correlation between hydrophobicity status and changes in the acid-labile, phosphodiester-linked β-1,2-oligomannoside components of the N-linked glycans of cell wall mannoprotein. Glycan composition also defines the two major serotypes, A and B, of C. albicans strains. Here, we show that the cell surface hydrophobicity of the two serotypes is qualitatively different, suggesting that the serotypes may differ in how they modulate cell surface hyd
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31

Palmgren, R., F. Jorand, P. H. Nielsen, and J. C. Block. "Influence of oxygen limitation on the cell surface properties of bacteria from activated sludge." Water Science and Technology 37, no. 4-5 (1998): 349–52. http://dx.doi.org/10.2166/wst.1998.0663.

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Cell surface hydrophobicity is believed to be important to flocculation in activated sludge and biofilm systems. Optimization of these processes includes changes in the growth conditions of the bacteria. A number of factors influence cell surface hydrophobicity. The influence of oxygen on the cell surface hydrophobicity of 4 bacteria isolated from activated sludge was tested. The bacteria were grown in batch cultures with and without oxygen limitation. It was found that oxygen limitation generally caused a lowering of the cell surface hydrophobicity. The study also showed that there are many d
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32

Bredholt, Harald, Per Bruheim, Martin Potocky, and Kjell Eimhjellen. "Hydrophobicity development, alkane oxidation, and crude-oil emulsification in a Rhodococcus species." Canadian Journal of Microbiology 48, no. 4 (2002): 295–304. http://dx.doi.org/10.1139/w02-024.

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The relationship between the phenomena alkane oxidation, extreme hydrophobicity of the cell surface, and crude-oil emulsification in Rhodococcus sp. strain 094 was investigated. Compounds that induce the emulsifying ability simultaneously induced the cytochrome P450-containing alkane oxidizing system and the transition from low to high cell-surface hydrophobicity. Exposed to inducers of crude-oil emulsification, the cells developed a strong hydrophobic character during exponential growth, which was rapidly lost when entering stationary phase. The loss in hydrophobicity coincided in time with t
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33

Dhewa, Tejpal, Shailja Pant, Nishant Goyal, and Vijendra Mishra. "Adhesive properties of food and faecal potential probiotic lactobacilli." Journal of Applied and Natural Science 1, no. 2 (2009): 138–40. http://dx.doi.org/10.31018/jans.v1i2.52.

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In the present investigation, total four isolates of Lactobacillus species i.e. L. casei, L. helveticus, L. brevis and L. fermentum were examined for the cell surface hydrophobicity by bacterial adherence to hydrocarbons assay in LAPTg broth and hydrophobicity was calculated as percentage decrease in Optical Density at 600 nm. The general range of hydrophobicity in Lactobacilli was found in between 6-73%. Remarkably, L. helveticus and L . fermentum showed 73% hydrophobicity in xylene. Higher value of hydrophobicity could point toward a better ability of lactobacilli to adhere to epithelium cel
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34

Delahaije, Roy J. B. M., and Peter A. Wierenga. "Hydrophobicity Enhances the Formation of Protein-Stabilized Foams." Molecules 27, no. 7 (2022): 2358. http://dx.doi.org/10.3390/molecules27072358.

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Screening proteins for their potential use in foam applications is very laborious and time consuming. It would be beneficial if the foam properties could be predicted based on their molecular properties, but this is currently not possible. For protein-stabilized emulsions, a model was recently introduced to predict the emulsion properties from the protein molecular properties. Since the fundamental mechanisms for foam and emulsion formation are very similar, it is of interest to determine whether the link to molecular properties defined in that model is also applicable to foams. This study aim
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35

Dubey, Vikas, and Snehasis Daschakraborty. "Influence of glycerol on the cooling effect of pair hydrophobicity in water: relevance to proteins’ stabilization at low temperature." Physical Chemistry Chemical Physics 21, no. 2 (2019): 800–812. http://dx.doi.org/10.1039/c8cp06513f.

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36

Dutta, Kingshuk, and Patit Paban Kundu. "Amphiphiles as hydrophobicity regulator: Fine tuning the surface hydrophobicity of an electropolymerized film." Journal of Colloid and Interface Science 397 (May 2013): 192–98. http://dx.doi.org/10.1016/j.jcis.2013.01.045.

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37

Peters, Christoph, and Arne Elofsson. "Why is the biological hydrophobicity scale more accurate than earlier experimental hydrophobicity scales?" Proteins: Structure, Function, and Bioinformatics 82, no. 9 (2014): 2190–98. http://dx.doi.org/10.1002/prot.24582.

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38

Tang, Sen, Junsheng Li, Guoxia Huang, and Liujuan Yan. "Predicting Protein Surface Property with its Surface Hydrophobicity." Protein & Peptide Letters 28, no. 8 (2021): 938–44. http://dx.doi.org/10.2174/0929866528666210222160603.

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This article reviews and discusses the relationship between surface hydrophobicity and other surface properties of proteins and the possibility of using surface hydrophobicity as a key indicator to predict and evaluate the changes in the surface properties of a protein. Hydrophobicity is the main driving force of protein folding; it affects the structure and functions. Surface hydrophobicity and other surface properties of proteins are controlled by their spatial structures. Due to the hydrophobic interactions, most proteins fold into their globular structures, and they lack sufficient hydroph
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39

Jiang, Hai Yun, Ruo Mei Wu, Chen Guo, Wei Li Zhang, Zhi Qing Yuan, and Qi Long Liu. "The Adherence between a Superhydrophobic Coating and the Surface of Aluminum Alloy." Advanced Materials Research 583 (October 2012): 350–53. http://dx.doi.org/10.4028/www.scientific.net/amr.583.350.

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A superhydrophobic coating was prepared on the surface of aluminum alloy. The adherence and the hydrophobicity were observed by adherometer and optical contact angle meter, respectively. The affection of silane coupling agent KH550 was also investigated by the analysis of FTIR. The result indicated that the coating owns satisfactory adherence and the hydrophobicity. The treatment of KH550 increases the polar of the surface, which is responsible for the superior adherence. A similar micro-nano structure is mainly attributed to the hydrophobicity. When the density of PP-g-MAH is 1.7 % (mass rati
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40

Frederiksen, Nicki, Paul R. Hansen, Fredrik Björkling, and Henrik Franzyk. "Peptide/Peptoid Hybrid Oligomers: The Influence of Hydrophobicity and Relative Side-Chain Length on Antibacterial Activity and Cell Selectivity." Molecules 24, no. 24 (2019): 4429. http://dx.doi.org/10.3390/molecules24244429.

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Previous optimisation studies of peptide/peptoid hybrids typically comprise comparison of structurally related analogues displaying different oligomer length and diverse side chains. The present work concerns a systematically constructed series of 16 closely related 12-mer oligomers with an alternating cationic/hydrophobic design, representing a wide range of hydrophobicity and differences in relative side-chain lengths. The aim was to explore and rationalise the structure–activity relationships within a subclass of oligomers displaying variation of three structural features: (i) cationic side
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41

Xie, Yangyang, Honglei Fan, Mingyang Che, et al. "Hydrophobicity and Pore Structure: Unraveling the Critical Factors of Alcohol and Acid Adsorption in Zeolites." Molecules 29, no. 22 (2024): 5251. http://dx.doi.org/10.3390/molecules29225251.

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Adsorbing and recycling alcohols and acids from industrial wastewater is of great significance in wastewater treatment; establishing the possible quantitative relationship of alcohol–acid adsorption capacity with the struct0ures of adsorbents and exploring the key factors determining their adsorption performance is very important and challenging in environment science. To solve this difficult problem, the adsorption of C1-5 alcohols, C2-4 acids, and Fischer–Tropsch synthesis (FTS) wastewater on zeolites with similar hydrophobicity and pore structures (β and MFI), similar hydrophilicity but dif
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42

Zhang, Yazhen, Wenfei Xiong, Lingling Lei, et al. "Influence of heat treatment on structure, interfacial rheology and emulsifying properties of peanut protein isolate." Czech Journal of Food Sciences 37, No. 3 (2019): 212–20. http://dx.doi.org/10.17221/330/2017-cjfs.

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The influence of heat treatment on the protein size, zeta potential, surface hydrophobicity, secondary structure, interfacial rheology and creaming stability of peanut protein isolate (PPI) was studied. Heat treatment of PPI increased the protein size, surface hydrophobicity and interface diffusion rate, and decreased the protein zeta potential, particularly heat treatment at 80°C for 30 min (PPI-80), which increased the surface hydrophobicity from 117.33 ± 2.77 to 253.24 ± 2.47. Interfacial rheology results demonstrated that the heat treatment promoted the absorption of PPI at the oil-water i
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43

Huang, Jin-Feng, Yi-Min Xu, Dian-Ming Hao, Yi-Bing Huang, Yu Liu та Yuxin Chen. "Structure-guided de novo design of α-helical antimicrobial peptide with enhanced specificity". Pure and Applied Chemistry 82, № 1 (2010): 243–57. http://dx.doi.org/10.1351/pac-con-09-01-12.

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In the present study, the 26-residue peptide sequence Ac-KWKSFLKTFKSAKKTVLHTALKAISS-amide (peptide P) was utilized as the framework to study the effects of introducing hydrophilic amino acid lysine on the nonpolar face of the helix on peptide biological activities. Lysine residue was systematically used to substitute original hydrophobic amino acid at the selected locations on the nonpolar face of peptide P. In order to compensate for the loss of hydrophobicity caused by lysine substitution, leucine was also used to replace original alanine to increase peptide overall hydrophobicity. Hemolytic
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44

Cheng, Yun-Hui, Bu-Qing Liu, Bo Cui, et al. "Alanine Substitution to Determine the Effect of LR5 and YR6 Rice Peptide Structure on Antioxidant and Anti-Inflammatory Activity." Nutrients 15, no. 10 (2023): 2373. http://dx.doi.org/10.3390/nu15102373.

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The relationship between the structure of peptides LR5 (LHKFR) and YR6 (YGLYPR) and their antioxidant and anti-inflammatory activity remains unclear. Herein, leucine, tyrosine, proline, and phenylalanine at different positions in the peptides were replaced by Alanine (Ala), and two new pentapeptides (AR5 and LAR5) and four hexapeptides (AGR6, YAR6, YLR6, and YGR6) were obtained. The effect of Ala replacement on the hydrophobicity, cytotoxicity, NO inhibition rate, and active oxygen radical scavenging ability of these peptides and their antioxidant and anti-inflammatory abilities were investiga
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45

Regester, Geoffrey O., R. John Pearce, Victor W. K. Lee та Michael E. Mangino. "Heat-related changes to the hydrophobicity of cheese whey correlate with levels of native β-lactoglobulin and α-lactalbumin". Journal of Dairy Research 59, № 4 (1992): 527–32. http://dx.doi.org/10.1017/s0022029900027199.

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SummaryCorrelations were identified between levels of the native whey proteins, β-lactoglobulin and α-lactalbumin and the surface and total hydrophobicities of cheese whey in response to different heat treatments. Heat-induced changes in the native βlactoglobulin content and surface hydrophobicity of whey exhibited the most significant linear relationship while correlations between total hydrophobicity and the native proteins were less significant because of an atypical rise in the n−heptane-binding capacity of whey after high-temperature treatment. The content of native β-lactoglobulin in whe
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46

Mavrikakis, N., K. Siderakis, E. Koudoumas, E. Drakakis, and E. Kymakis. "Laboratory Investigation of the Hydrophobicity Transfer Mechanism on Composite Insulators Aged in Coastal Service." Engineering, Technology & Applied Science Research 6, no. 5 (2016): 1124–29. http://dx.doi.org/10.48084/etasr.614.

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Silicone rubber (SIR) insulators are known to maintain their surface hydrophobicity even under severe pollution conditions in contrast to the other composite insulator materials used at the last decades. This critical advantage of silicone rubber insulators has made them dominant in high voltage power systems despite the fact that there are other composite materials with better static hydrophobicity. In service conditions, priority is given to the dynamic performance of hydrophobicity due to the unpredictable environmental pollution conditions. This dynamic performance of silicone rubber insul
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47

N., Mavrikakis, K. Siderakis, E. Koudoumas, E. Drakakis, and E. Kymakis. "Laboratory Investigation of the Hydrophobicity Transfer Mechanism on Composite Insulators Aged in Coastal Service." Engineering, Technology & Applied Science Research 6, no. 5 (2016): 1124–29. https://doi.org/10.5281/zenodo.162579.

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Silicone rubber (SIR) insulators are known to maintain their surface hydrophobicity even under severe pollution conditions in contrast to the other composite insulator materials used at the last decades. This critical advantage of silicone rubber insulators has made them dominant in high voltage power systems despite the fact that there are other composite materials with better static hydrophobicity. In service conditions, priority is given to the dynamic performance of hydrophobicity due to the unpredictable environmental pollution conditions. This dynamic performance of silicone rubber insul
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48

Xi, Erte, Vasudevan Venkateshwaran, Lijuan Li, Nicholas Rego, Amish J. Patel, and Shekhar Garde. "Hydrophobicity of proteins and nanostructured solutes is governed by topographical and chemical context." Proceedings of the National Academy of Sciences 114, no. 51 (2017): 13345–50. http://dx.doi.org/10.1073/pnas.1700092114.

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Hydrophobic interactions drive many important biomolecular self-assembly phenomena. However, characterizing hydrophobicity at the nanoscale has remained a challenge due to its nontrivial dependence on the chemistry and topography of biomolecular surfaces. Here we use molecular simulations coupled with enhanced sampling methods to systematically displace water molecules from the hydration shells of nanostructured solutes and calculate the free energetics of interfacial water density fluctuations, which quantify the extent of solute–water adhesion, and therefore solute hydrophobicity. In particu
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49

Matz, Carsten, and Klaus Jürgens. "Effects of Hydrophobic and Electrostatic Cell Surface Properties of Bacteria on Feeding Rates of Heterotrophic Nanoflagellates." Applied and Environmental Microbiology 67, no. 2 (2001): 814–20. http://dx.doi.org/10.1128/aem.67.2.814-820.2001.

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ABSTRACT The influence of cell surface hydrophobicity and electrostatic charge of bacteria on grazing rates of three common species of interception-feeding nanoflagellates was examined. The hydrophobicity of bacteria isolated from freshwater plankton was assessed by using two different methods (bacterial adhesion to hydrocarbon and hydrophobic interaction chromatography). The electrostatic charge of the cell surface (measured as zeta potential) was analyzed by microelectrophoresis. Bacterial ingestion rates were determined by enumerating bacteria in food vacuoles by immunofluorescence labellin
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50

Kazarinova, T. F., U. V. Buentueva, and G. O. Zhdanova. "Effect of Synthetic Surfactants on the Hydrophobicity of Micrococcus luteus Cells 1-i." Bulletin of Irkutsk State University. Series Biology. Ecology 47 (2024): 55–63. http://dx.doi.org/10.26516/2073-3372.2023.47.55.

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The influence of synthetic surfactants belonging to different classes on changes in the hydrophobicity of the cell surface of the bacterial strain Micrococcus luteus 1-i was studied. The hydrophobicity index was studied by the MATH method (microbial adhesion to hydrocarbon). Four representatives of different classes of surfactants were tested: sodium dodecyl sulfate (anionic surfactant), cetyltrimethylammonium bromide (cationic surfactant), Tween-80 (nonionic surfactant) and polyvinyl alcohol (polymer surfactant). It was shown that the hydrophobicity of M. luteus 1-i cells changed to varying d
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