Relevant bibliographies by topics / Hydrophobic materials

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Hydrophobic materials'

Author: Grafiati
Published: 4 June 2021
Last updated: 6 September 2023

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Journal articles on the topic "Hydrophobic materials"

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Baranov, O. V., L. G. Komarova, A. V. Rushevskaya, and V. I. Gomzayk. "HYDROPHOBIC COATINGS ON CELLULOSE MATERIALS." Fine Chemical Technologies 13, no. 6 (December 28, 2018): 28–34. http://dx.doi.org/10.32362/2410-6593-2018-13-6-28-34.

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A new hydrophobizator - tetra(ethoxy)di(octyl)disiloxane (TEDODS) - was synthesized in an ethanol solution at boiling point for 6 hours and characterized by NMR and IR spectroscopy. New hydrophobic coatings based on this compound were obtained under mild conditions by direct chemical modification of the surfaces of the cellulose materials (textile of different composition). The formation of a modified layer on the materials surface occurs due to the interaction of the ethoxy groups of the modifier and the hydroxyl groups of cellulose followed by heat treatment to fix it on the materials surface. The optimal conditions for obtaining the coatings were determined: 8% TEDODS weight gain with maximum hydrophobicity, with a wetting angle of 135°. The properties of the modified cellulose materials were studied (hydrophobicity, moisture absorption, etc.). The efficiency of using tetraethoxydioctyldisiloxane as a hydrophobizator when the content from 1% and a relatively small thickness of the coating of 2 microns was shown. It was found that hydrophobic coatings on the surface of cellulosic materials have little effect on moisture absorption and breathability of the original tissue.
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Zhang, Xiaohua, and Shuqiong Xu. "Preparation and Applications of Super-hydrophobic materials." MATEC Web of Conferences 175 (2018): 01012. http://dx.doi.org/10.1051/matecconf/201817501012.

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In this paper, the formation principle of hydrophobic phenomenon, the preparation and applications of hydrophobic materials are introduced. The super-hydrophobic material is a novel material with wide application and prospect. The application of status of super-hydrophobic materials in industrial and agricultural production, medical and health fields and people's daily life, in recent years, which was studied, and the prospect of development was systematically summarized.
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Makhotkina, Liliia, and Alina Khalilova. "Hydrophobic textile materials with organosilicon impregnation." E3S Web of Conferences 224 (2020): 03025. http://dx.doi.org/10.1051/e3sconf/202022403025.

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In recent years, special attention has been paid to studying the properties of hydrophobic surfaces of textile materials. The authors provide an overview of the applied textile-processing chemicals and of the methods for imparting hydrophobic properties to textile materials. According to the analysis, it was found that waterand splash-proofing treatment occupies an important place in the finishing processes of textile materials, contributing to a change in their characteristics. The purpose of the research is the development of hydrophobic textile materials for the work clothes production. The aqueous solution based on organosilicon compounds was used for textiles hydrophobization with retention of their performance and hygienic characteristics. The research results of the effect of aqueous solutions based on silane (A-1100 and A-187 trademarks) on the hydrophobic characteristics of textile materials is presented in the article.
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Guo, Zhiguang, Feng Zhou, Jingcheng Hao, and Weimin Liu. "Stable Biomimetic Super-Hydrophobic Engineering Materials." Journal of the American Chemical Society 127, no. 45 (November 2005): 15670–71. http://dx.doi.org/10.1021/ja0547836.

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&NA;. "ADSORPTION OF BFGF ON HYDROPHOBIC MATERIALS." ASAIO Journal 44, no. 2 (March 1998): 5A. http://dx.doi.org/10.1097/00002480-199803000-00017.

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Maciejewski, Hieronim, Joanna Karasiewicz, Michal Dutkiewicz, and Bogdan Marciniec. "Hydrophobic Materials Based on Fluorocarbofunctional Spherosilicates." Silicon 7, no. 2 (December 12, 2014): 201–9. http://dx.doi.org/10.1007/s12633-014-9264-5.

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Görbitz, Carl Henrik. "Microporous Organic Materials from Hydrophobic Dipeptides." Chemistry - A European Journal 13, no. 4 (January 22, 2007): 1022–31. http://dx.doi.org/10.1002/chem.200601427.

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Li, Xuan, Chen Zhang, Zhongjie Du, and Hangquan Li. "Preparation of hydrophilic/hydrophobic porous materials." Journal of Colloid and Interface Science 323, no. 1 (July 2008): 120–25. http://dx.doi.org/10.1016/j.jcis.2008.03.028.

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Soulios, Vasilis, Ernst Jan de Place Hansen, and Hans Janssen. "Hygric properties of hydrophobized building materials." MATEC Web of Conferences 282 (2019): 02048. http://dx.doi.org/10.1051/matecconf/201928202048.

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Moisture loads due to wind-driven rain can lead to accelerated decay of exposed building facades. Hydrophobic impregnation reduces water absorption of facade materials and is thus presumed to decrease moisture related damages. Hydrophobic impregnation however also lowers the drying speed of the exposed facade, leaving mainly water vapour transfer to take place. This study examines the open porosity and capillary absorption coefficient of impregnated brick samples as well as the effect of hydrophobic impregnation on the vapour permeability of brick and mortar samples. The open porosity was measured with vacuum saturation test, the absorption coefficient was determined by water uptake tests, both done after one month of curing of the impregnated brick samples. The vapour permeability was `derived from cup tests and from drying tests. The resulting open porosity from brick samples indicates that the changes in the overall pore structure are minimal after impregnation. In addition, the absorption coefficient of brick was found to be fairly close to zero, even with low concentrations of active ingredient, and regardless the percentage of silane/siloxane. Our findings support the claim that the hydrophobic impregnation does not influence significantly the water vapour permeability of brick and mortar.
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Ohtaki, Shinsaku, Hiroshi Maeda, Toru Takahashi, Youhei Yamagata, Fumihiko Hasegawa, Katsuya Gomi, Tasuku Nakajima, and Keietsu Abe. "Novel Hydrophobic Surface Binding Protein, HsbA, Produced by Aspergillus oryzae." Applied and Environmental Microbiology 72, no. 4 (April 2006): 2407–13. http://dx.doi.org/10.1128/aem.72.4.2407-2413.2006.

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ABSTRACT Hydrophobic surface binding protein A (HsbA) is a secreted protein (14.5 kDa) isolated from the culture broth of Aspergillus oryzae RIB40 grown in a medium containing polybutylene succinate-co-adipate (PBSA) as a sole carbon source. We purified HsbA from the culture broth and determined its N-terminal amino acid sequence. We found a DNA sequence encoding a protein whose N terminus matched that of purified HsbA in the A. ozyzae genomic sequence. We cloned the hsbA genomic DNA and cDNA from A. oryzae and constructed a recombinant A. oryzae strain highly expressing hsbA. Orthologues of HsbA were present in animal pathogenic and entomopathogenic fungi. Heterologously synthesized HsbA was purified and biochemically characterized. Although the HsbA amino acid sequence suggests that HsbA may be hydrophilic, HsbA adsorbed to hydrophobic PBSA surfaces in the presence of NaCl or CaCl2. When HsbA was adsorbed on the hydrophobic PBSA surfaces, it promoted PBSA degradation via the CutL1 polyesterase. CutL1 interacts directly with HsbA attached to the hydrophobic QCM electrode surface. These results suggest that when HsbA is adsorbed onto the PBSA surface, it recruits CutL1, and that when CutL1 is accumulated on the PBSA surface, it stimulates PBSA degradation. We previously reported that when the A. oryzae hydrophobin RolA is bound to PBSA surfaces, it too specifically recruits CutL1. Since HsbA is not a hydrophobin, A. oryzae may use several types of proteins to recruit lytic enzymes to the surface of hydrophobic solid materials and promote their degradation.
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Dissertations / Theses on the topic "Hydrophobic materials"

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Piotto, Chiara. "Nanostructured materials for hydrophobic drug delivery." Doctoral thesis, Università degli studi di Trento, 2019. https://hdl.handle.net/11572/367644.

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Porous silicon (Psi) and nanocellulose (NC) hydrogels are nanostructured materials with several properties that make them promising for drug delivery applications. In this work, β-carotene (BC) and clofazimine (CFZ) are used as model molecules to investigate the physical and chemical processes governing the interactions of hydrophobic molecules with both inorganic (Psi) and organic (NC) nanostructured carriers. Despite the large number of advantages, Psi does not perform well as carrier for BC, since it stimulates the molecule degradation even if its surface is carefully passivated. Furthermore, during the release experiments, BC tends to nucleate on Psi surface forming aggregates whose dissolution is much slower than the BC molecules release, thus they negatively impact on the control over the drug release. On the other hand NC hydrogels do not pose heavy issues to the release of lipophilic drugs, provided that a suitable surfactant (either Tween-20 or Tween-80) mediates the molecule solvation and its subsequent release into aqueous media. Moreover, NC gels protect BC from degradation much better than its storage in freezer or in organic solvent, making these carriers interesting for DD.
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Piotto, Chiara. "Nanostructured materials for hydrophobic drug delivery." Doctoral thesis, University of Trento, 2019. http://eprints-phd.biblio.unitn.it/3575/2/Piotto_thesis.pdf.

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Porous silicon (Psi) and nanocellulose (NC) hydrogels are nanostructured materials with several properties that make them promising for drug delivery applications. In this work, β-carotene (BC) and clofazimine (CFZ) are used as model molecules to investigate the physical and chemical processes governing the interactions of hydrophobic molecules with both inorganic (Psi) and organic (NC) nanostructured carriers. Despite the large number of advantages, Psi does not perform well as carrier for BC, since it stimulates the molecule degradation even if its surface is carefully passivated. Furthermore, during the release experiments, BC tends to nucleate on Psi surface forming aggregates whose dissolution is much slower than the BC molecules release, thus they negatively impact on the control over the drug release. On the other hand NC hydrogels do not pose heavy issues to the release of lipophilic drugs, provided that a suitable surfactant (either Tween-20 or Tween-80) mediates the molecule solvation and its subsequent release into aqueous media. Moreover, NC gels protect BC from degradation much better than its storage in freezer or in organic solvent, making these carriers interesting for DD.
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Chao, Michelle (Michelle L. ). "Hydrophobic nanostructured glass surfaces using metal dewetting process." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/111342.

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Thesis: S.B., Massachusetts Institute of Technology, Department of Materials Science and Engineering, 2017.
Cataloged from PDF version of thesis.
Includes bibliographical references (page 18).
This project aims to create a hydrophobic surface through a top down fabrication process of a nanostructure surface on a glass surface. The nanostructure is created through reactive ion etching utilizing silver as a mask. The silver mask is the result of a solid state thermal dewetting process which is controlled by varying the temperature and time of the process. Using this fabrication process, contact angles up to 137 degrees was achieved. Further surface modification resulted in contact angles exceeding 150 degrees. Superhydrophobic surfaces were made with the addition of a secondary roughness feature and the a PDMS coating.
by Michelle Chao.
S.B.
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Boglaienko, Daria. "Capture and Densification of Floating Hydrophobic Liquids by Natural Granular Materials." FIU Digital Commons, 2017. http://digitalcommons.fiu.edu/etd/3261.

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Densification and submergence of floating crude oil is proposed as a novel oil spills treatment method. Surface application of dry granular materials (e.g., quartz sand, limestone) on top of a floating oil layer increases the density of the floating oil phase/granule mixture and leads to formation of relatively large and stable aggregates with significant amounts of captured oil. The aggregates separate from the floating hydrophobic phase and settle by gravity. Implementation of this method will reduce the impact radius of a spill and its mobility, preventing direct contamination of beaches, coastal flora and fauna. The major objective of this research was to examine interactions of particles with hydrophobic liquid-water interface from different perspectives. The important characteristics of the process, such as oil removal efficiencies, optimal particle-to-oil ratios and particle size ranges, were experimentally defined. A series of experiments was conducted to investigate aggregation and dissolution rate constants of the submerged hydrophobic liquids in salt water and deionized water, and to study the impact of the surface porosity of the granular particles on oil capture efficiencies. In addition to crude oil (South Louisiana crude, MC 252), aggregation volumes of quartz sand with other hydrophobic liquids (alkanes and aromatics) were analyzed in relation to wetting characteristics and physical properties of the liquids. A classification of the main types of oil-particle aggregates was developed based on the formation characteristics of the aggregates. Moreover, under specific conditions, depending on the application rates of the granular materials, unique interactions of the particles with the hydrophobic liquid-water interface were observed and defined (bowl formation and roping). These concepts can be utilized to control surface mobility of floating oils, especially during the initial stages of an oil spill, while the oil layer is intact, and when other treatment methods may not be suitable near coastal areas, where transport of floating oils can significantly impact coastal ecosystems.
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Fleys, Matthieu Simon. "Water Behavior in hydrophobic porous materials. Comparison between Silicalite and Dealuminated Zeolite Y by Molecular Dynamic Simulations." Link to electronic thesis, 2003. http://www.wpi.edu/Pubs/ETD/Available/etd-1205103-115109/.

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Jarvis, Suzanne Philippa. "Atomic force microscopy and tip-surface interactions." Thesis, University of Oxford, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.359441.

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Kelleher, Colm P. "Phase behavior of charged hydrophobic colloids on flat and spherical surfaces." Thesis, New York University, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10195879.

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For a broad class of two-dimensional (2D) materials, the transition from isotropic fluid to crystalline solid is described by the theory of melting due to Kosterlitz, Thouless, Halperin, Nelson and Young (KTHNY). According to this theory, long-range order is achieved via elimination of the topological defects which proliferate in the fluid phase. However, many natural and man-made 2D systems posses spatial curvature and/or non-trivial topology, which require the presence of topological defects, even at T=0. In principle, the presence of these defects could profoundly affect the phase behavior of such a system. In this thesis, we develop and characterize an experimental system of charged colloidal particles that bind electrostatically to the interface between an oil and an aqueous phase. Depending on how we prepare the sample, this fluid interface may be flat, spherical, or have a more complicated geometry. Focusing on the cases where the interface is flat or spherical, we measure the interactions between the particles, and probe various aspects of their phase behavior. On flat interfaces, this phase behavior is well-described by KTHNY theory. In spherical geometries, however, we observe spatial structures and inhomogeneous dynamics that cannot be captured by the measures traditionally used to describe flat-space phase behavior. We show that, in the spherical system, ordering is achieved by a novel mechanism: sequestration of topological defects into freely-terminating grain boundaries (“scars”), and simultaneous spatial organization of the scars themselves on the vertices of an icosahedron. The emergence of icosahedral order coincides with the localization of mobility into isolated “lakes” of fluid or glassy particles, situated at the icosahedron vertices. These lakes are embedded in a rigid, connected “continent” of locally crystalline particles.

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Micklitsch, Christopher M. "Designing functional materials using the hydrophobic face of a self-assembling amphiphilic beta-hairpin peptide." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 181 p, 2008. http://proquest.umi.com/pqdweb?did=1456289351&sid=3&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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Park, Juhyun Ph D. Massachusetts Institute of Technology. "Adsorption and multilayer assembly of charged macromolecules on neutral hydrophobic surfaces and applications to surface patterning." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/36210.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 2006.
Includes bibliographical references.
Micrometer- and nanometer-scale chemical patterns are indispensable and ubiquitous in a range of applications, such as optoelectronic devices and (bio) chemical sensors. This thesis studies chemical surface patterning utilizing polyelectrolyte multilayers for electronic and biological applications. It focuses on both fundamental study and application development in the field of layer-by-layer self-assembled composite thin films, with the goal of defining new concepts allowing for technological breakthrough. In the process of completing it, a multicomponent patterning technology that has been a bottleneck in realizing practical devices utilizing the multilayers has been developed. To achieve this goal, a multilayer transfer printing concept was applied to serial printing of individual device components. The main achievements include fundamental studies about uniform multilayer assembly of charged macromolecules on neutral hydrophobic surfaces as the principle of the technique, and the demonstration of multicomponent patterning of polyelectrolyte/nanoparticle composite thin films on a flexible substrate.
(cont.) Extending the technique toward nanometer-scale patterning, a new polymeric mold material that was suitable for sub-100 nm structuring was studied and used for chemical patterning for flow control in microfuidic devices and nanoparticle assembly for potential biological applications, combined with polyelectrolyte multilayers.
by Juhyun Park.
Ph.D.
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Surani, Falgun. "DEVELOPMENT OF ADVANCED ENERGY ABSORPTION SYSTEM USING NANOPOROUS MATERIALS." University of Akron / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=akron1151087008.

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Books on the topic "Hydrophobic materials"

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Tronin, V. N. Energetics and percolation properties of hydrophobic nanoporous media. Hauppauge, N.Y: Nova Science Publishers, 2010.

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Westall, John C. The use of cationic surfactants to modify aquifer materials to reduce the mobility of hydrophobic organic compounds / John C. Westall ... [et al.]. Ada, OK: U.S. Environmental Protection Agency, Robert S. Kerr Environmental Research Laboratory, 1994.

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Westall, John C. The use of cationic surfactants to modify aquifer materials to reduce the mobility of hydrophobic organic compounds / John C. Westall ... [et al.]. Ada, OK: U.S. Environmental Protection Agency, Robert S. Kerr Environmental Research Laboratory, 1994.

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Barnat-Hunek, Danuta. Hydrofobizacja opoki wapnistej w obiektach zabytkowych Kazimierza Dolnego: Hydrophobisation of siliceous limestone in historic buildings of Kazimierz Dolny. Lublin: Wydawnictwo Politechniki Lubelskiej, 2010.

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1949-, Bhushan Bharat, ed. Multiscale dissipative mechanisms and hierarchical surfaces: Friction, superhydrophobicity, and biomimetics. Berlin: Springer, 2008.

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

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Woodburn, Kent Benson. Thermodynamics and mechanisms of sorption for hydrophobic organic compounds on natural and artificial sorbent materials. 1986.

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Bioinspired Superhydrophobic Surfaces: Advances and Applications with Metallic and Inorganic Materials. Taylor & Francis Group, 2017.

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Guittard, édéric, and Thierry Darmanin. Bioinspired Superhydrophobic Surfaces: Advances and Applications with Metallic and Inorganic Materials. Jenny Stanford Publishing, 2017.

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Guittard, édéric, and Thierry Darmanin. Bioinspired Superhydrophobic Surfaces: Advances and Applications with Metallic and Inorganic Materials. Jenny Stanford Publishing, 2017.

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Book chapters on the topic "Hydrophobic materials"

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Nakajima, Akira, Kazuhito Hashimoto, and Toshiya Watanabe. "Recent Studies on Super-Hydrophobic Films." In Molecular Materials and Functional Polymers, 31–41. Vienna: Springer Vienna, 2001. http://dx.doi.org/10.1007/978-3-7091-6276-7_3.

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Nazhipkyzy, Meruyert, Hamidreza Pourghazian Esfahani, Alireza Pourghazian Esfahani, Zulkhair A. Mansurov, and A. R. Seitkazinova. "Hydrophobic Carbon Soot Nanostructure Effect on the Coatings." In Materials with Extreme Wetting Properties, 233–44. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-59565-4_11.

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Babu, Alex K., Alwinson Kuriakose Geevarghese, Althaf Easa, Anthea Judette Maxi Fernandez, Rakesh Reghunath, Soney C. George, and R. Asaletha. "Development of Super Hydrophobic Surfaces for Oil Spill Separation." In Advanced Manufacturing and Materials Science, 151–62. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-76276-0_15.

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Nazhipkyzy, Meruyert, Gulmira Orinbekovna Tureshova, and Zulkhair Aimukhametovich Mansurov. "Investigation of Conditions for the Creation of Hydrophobic Sand." In Materials with Extreme Wetting Properties, 341–52. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-59565-4_15.

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Reetz, M. T., A. Zonta, J. Simpelkamp, A. Rufinska, and B. Tesche. "Characterization of Hydrophobic Sol-Gel Materials Containing Entrapped Lipases." In Biochemical Aspects of Sol-Gel Science and Technology, 35–43. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-1429-5_5.

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Mavliev, Lenar, Evgenii Vdovin, Victor Stroganov, and Nikita Konovalov. "Road Cement-Mineral Materials with Granulometric and Hydrophobic Additives." In Lecture Notes in Civil Engineering, 20–28. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-67654-4_3.

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Mandolia, Ramswaroop, Salman Siddique, and Sandeep Chaudhary. "Effect of Different Hydrophobic Treatments on Properties of Recycled Aggregate Concrete." In Advances in Sustainable Construction Materials, 121–30. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-3361-7_9.

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Sharma, Rajni, Firoz Alam, A. K. Sharma, V. Dutta, and S. K. Dhawan. "Hydrophobic ZnO Anchored Graphene Nanocomposite Based Bulk Hetro-Junction Solar Cells to Improve Short Circuit Current Density." In Graphene Materials, 245–75. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119131816.ch8.

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Appidi, Tejaswini, Syed Baseeruddin Alvi, P. V. P. Deepak Bharadwaj, and Aravind Kumar Rengan. "A Microscopic Analysis of Liposome Based Hydrophobic Drug Delivery." In Applications of Microscopy in Materials and Life Sciences, 221–31. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-2982-2_22.

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Wei Xia, Du, Arjen Sein, and Johannes Smid. "Polymer Electrolytes and Hydrogels from Polyethylene Glycols Cross-Linked with a Hydrophobic Polyisocyanate." In Advances in New Materials, 229–36. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-3456-3_19.

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Conference papers on the topic "Hydrophobic materials"

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Jang, Woong Ki, Yoo Su Kang, Young Ho Seo, Seok Min Kim, Shin Ill Kang, and Byeong Hee Kim. "Hydrophobic Surface Fabrication of Metallic Materials." In The 8th World Congress on Recent Advances in Nanotechnology. Avestia Publishing, 2023. http://dx.doi.org/10.11159/icnnfc23.111.

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Takebe, Yoko, Naoko Shirota, Takashi Sasaki, Koichi Murata, and Osamu Yokokoji. "Highly hydrophobic materials for ArF immersion lithography." In SPIE Advanced Lithography, edited by Clifford L. Henderson. SPIE, 2008. http://dx.doi.org/10.1117/12.772525.

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Challa, Sivakumar R., Richard Truesdell, Peter Vorobieff, Andrea Mammoli, Frank van Swol, Glaucio H. Paulino, Marek-Jerzy Pindera, et al. "Shear Flow on Super-Hydrophobic Surfaces." In MULTISCALE AND FUNCTIONALLY GRADED MATERIALS 2006. AIP, 2008. http://dx.doi.org/10.1063/1.2896904.

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Yu, Zhiping, Meimei Wang, Xiaolong Qiu, and Jijun Xiao. "Synthesis and Characterization of Super-hydrophobic Coating Materials." In 2nd International Conference on Green Materials and Environmental Engineering. Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/gmee-15.2015.5.

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Tao, Zhiqiang, Jiansheng Chen, and Hoan D. Le. "Research on block copolymer toughened hydrophobic CEP insulation materials." In 2015 IEEE Conference on Electrical Insulation and Dielectric Phenomena - (CEIDP). IEEE, 2015. http://dx.doi.org/10.1109/ceidp.2015.7352044.

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Klicova, Marketa, Michal Krejcik, Jachym Rosendorf, and Jana Horakova. "Hydrophobic Nanofibrous Materials for Prevention of Postoperative Tissue Adhesions." In The 8th World Congress on New Technologies. Avestia Publishing, 2022. http://dx.doi.org/10.11159/icnfa22.143.

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Kapustin, S. N., N. L. Lyah, and D. S. Lugvishchuk. "Hydrophobic surface based on carbon nano-onions." In THE 2ND INTERNATIONAL CONFERENCE ON PHYSICAL INSTRUMENTATION AND ADVANCED MATERIALS 2019. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0032723.

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Yong-Sung Choi, Jong-Dae Moon, Young-Soo Kwon, and Kyung-Sup Lee. "Hydrophilic and hydrophobic patterned template for DNA chip microarray." In 2006 IEEE Nanotechnology Materials and Devices Conference. IEEE, 2006. http://dx.doi.org/10.1109/nmdc.2006.4388759.

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Zhang, Bong J., Jiyeon Park, Chi Young Lee, Kwang J. Kim, and Barry Belmont. "Biomimetically tunable hydrophobic/hydrophilic surfaces: multiple tier roughness." In SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, edited by Raúl J. Martín-Palma and Akhlesh Lakhtakia. SPIE, 2011. http://dx.doi.org/10.1117/12.881959.

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Tetuko, Anggito P., Nining S. Asri, Eko A. Setiadi, Muljadi, and Perdamean Sebayang. "Hydrophobic melamine sponge for water-oil separator application." In PROCEEDINGS OF THE 4TH INTERNATIONAL SEMINAR ON METALLURGY AND MATERIALS (ISMM2020): Accelerating Research and Innovation on Metallurgy and Materials for Inclusive and Sustainable Industry. AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0060019.

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Reports on the topic "Hydrophobic materials"

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Chefetz, Benny, and Baoshan Xing. Sorption of hydrophobic pesticides to aliphatic components of soil organic matter. United States Department of Agriculture, 2003. http://dx.doi.org/10.32747/2003.7587241.bard.

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Abstract:
Sorption of hydrophobic compounds to aliphatic components of soil organic matter (SOM) is poorly understood even though these aliphatic carbons are a major fraction of SOM. The main source of aliphatic compounds in SOM is above- and below-ground plant cuticular materials (cutin, cutan and suberin). As decomposition proceeds, these aliphatic moieties tend to accumulate in soils. Therefore, if we consider that cuticular material contributes significantly to SOM, we can hypothesize that the cuticular materials play an important role in the sorption processes of hydrophobic compounds (including pesticides) in soils, which has not yet been studied. The overall goal of this research was to illustrate the mechanism and significance of the refractory aliphatic structures of SOM in sorbing hydrophobic compounds (nonionic and weakly polar pesticides). The importance of this study is related to our ability to demonstrate the sorption relationship between key pesticides and an important fraction of SOM. The specific objectives of the project were: (1) To isolate and characterize cuticular fractions from selected plants; (2) To investigate the sorption mechanism of key hydrophobic pesticides and model compounds to cuticular plant materials; (3) To examine the sorption mechanisms at the molecular level using spectroscopic techniques; (4) To investigate the sorption of key hydrophobic pesticides to synthetic polymers; (5) To evaluate the content of cuticular materials in agricultural soils; and (6) To study the effect of incubation of plant cuticular materials in soils on their sorptive capabilities. This project demonstrates the markedly high sorption capacity of various plant cuticular fractions for hydrophobic organic compounds (HOCs) and polar organic pollutants. Both cutin (the main polymer of the cuticle) and cutan biopolymers exhibit high sorption capability even though both sorbents are highly aliphatic in nature. Sorption by plant cuticular matter occurs via hydrophobic interactions and H-bonding interactions with polar sorbates. The cutin biopolymer seems to facilitate reversible and noncompetitive sorption, probably due to its rubbery nature. On the other hand, the epicuticular waxes facilitate enhance desorption in a bi-solute system. These processes are possibly related to phase transition (melting) of the waxes that occur in the presence of high solute loading. Moreover, our data highlight the significance of polarity and accessibility of organic matter in the uptake of nonpolar and polar organic pollutants by regulating the compatibility of sorbate to sorbent. In summary, our data collected in the BARD project suggest that both cutin and cutan play important roles in the sorption of HOCs in soils; however, with decomposition the more condensed structure of the cutin and mainly the cutan biopolymer dominated sorption to the cuticle residues. Since cutin and cutan have been identified as part of SOM and humic substances, it is suggested that retention of HOCs in soils is also controlled by these aliphatic domains and not only by the aromaticrich fractions of SOM.
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Choudhary, Ruplal, Victor Rodov, Punit Kohli, John D. Haddock, and Samir Droby. Antimicrobial and antioxidant functionalized nanoparticles for enhancing food safety and quality: proof of concept. United States Department of Agriculture, September 2012. http://dx.doi.org/10.32747/2012.7597912.bard.

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General concept. The reported 1-year study tested the feasibility ofpreparing antimicrobial and antioxidant nanoparticlesfunctionalized with natural phenolic compounds, as a first step to reach the ultimate goal - improving safely and quality of foods by developing novel antimicrobial and antioxidant food-contacting materials. The secondary objectives of the study were (a) selecting the most promising phenoliccompounds, (b) building nanoparticles with the selected phenolicgrafted on their Surface, and (c) testing antimicrobial and antioxidant properties of these particles. The study was expected to provide a " go/no go" decision as concerning the prospects of phenolic- bound nanoparticles as antimicrobial and antioxidant agents. Results. In course of the feasibility study, curucminwas chosen as the most promising phenoliccompound due to its high antibacterial activity exceeding other tested compounds by at leas one order of magnitude. Lipsome-typephospholipid/polydiacetylene(PDA) nanoparticlesfunctionalizedwith curcuminwere successfully built. The pitfall of limited curcumin amount that could be covalently bound to theparticle surface was circumvented by inclusion of curcunun in the liposome body. It was suggested onthe basis of fluorescence spectroscopy that curcuminwas bound by hydrophobic forces in the bi1ayer periphery of the Liposomesand therefore mightexert a contact effect on microorganisms. The curcumin­ functionalizednanoparticles(CFN) were shown to have a strong bactericidal activity towards both Gram-negative (E. coli) and Gram-positive (B. ce,·e11s) bacteria, but only limited effect against yeast. Furthermore, beyond the originallyplanned objectives, preliminary trials showed that CFN could be bound to silanized glass surface rendering aנבtiנnicrobial activity to the glass. Tnaddition, the particles showed antioxidantcapacity. Tberefore, it ,vas co11cluded tlוattlוeaims of tlוefeasibility study bad been successfully reached an
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