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Author: Dinah Michele Soolaman Publisher: ISBN: Category : Chemistry, Technical Languages : en Pages : 176
Book Description
Wetting and evaporation of liquid microdroplets on solid surfaces are ubiquitous in nature. Two of the many important factors that influence how a droplet wets and "escapes", are the Chemical composition and Roughness of the solid surface. In order to gain a better understanding of these processes as a whole, a systematic study on the factors that influence wetting/evaporation behaviour, including the liquid{u00B4}s composition, the liquid-solid interface, and the substrate morphology has been carried out in this thesis. In particular, the evaporation profile and its correlation with the wetting hysteresis have been studied using both water and binary mixtures on self-assembled monolayer (SAM) surfaces. Based on surface modification with mixed SAMs in conjunction with microcontact printing and electrochemical deposition techniques, this work aims at a comprehensive and controlled study of how molecular/structural modification dictate the wetting and evaporation behaviour of microdroplets on the surface.
Author: Dinah Michele Soolaman Publisher: ISBN: Category : Chemistry, Technical Languages : en Pages : 176
Book Description
Wetting and evaporation of liquid microdroplets on solid surfaces are ubiquitous in nature. Two of the many important factors that influence how a droplet wets and "escapes", are the Chemical composition and Roughness of the solid surface. In order to gain a better understanding of these processes as a whole, a systematic study on the factors that influence wetting/evaporation behaviour, including the liquid{u00B4}s composition, the liquid-solid interface, and the substrate morphology has been carried out in this thesis. In particular, the evaporation profile and its correlation with the wetting hysteresis have been studied using both water and binary mixtures on self-assembled monolayer (SAM) surfaces. Based on surface modification with mixed SAMs in conjunction with microcontact printing and electrochemical deposition techniques, this work aims at a comprehensive and controlled study of how molecular/structural modification dictate the wetting and evaporation behaviour of microdroplets on the surface.
Author: Mahmood Aliofkhazraei Publisher: BoD – Books on Demand ISBN: 9535122150 Category : Science Languages : en Pages : 386
Book Description
On the liquid 's surface, the molecules have fewer neighbors in comparison with the bulk volume. As a result, the energy interaction shows itself in the surface tension. Traditionally, the surface tension can be assumed as a force in the unit of the length which can be counted by the unit of Newton on squared meter, or energy on the units of the surface. The surface tension, implies the interface between liquid and vapor, which is an example of the surface tensions. The equilibrium between these surface tensions, decides that a droplet on a solid surface, would have a droplet form or will change to layer form. This book collects new developments in wetting and wettability science.
Author: Edward Yu. Bormashenko Publisher: Walter de Gruyter ISBN: 311025879X Category : Science Languages : en Pages : 188
Book Description
The revealing of the phenomenon of superhydrophobicity (the "lotus-effect") has stimulated an interest in wetting of real (rough and chemically heterogeneous) surfaces. In spite of the fact that wetting has been exposed to intensive research for more than 200 years, there still is a broad field open for theoretical and experimental research, including recently revealed superhydrophobic, superoleophobic and superhydrophilic surfaces, so-called liquid marbles, wetting transitions, etc. This book integrates all these aspects within a general framework of wetting of real surfaces, where physical and chemical heterogeneity is essential. Wetting of rough/heterogeneous surfaces is discussed through the use of the variational approach developed recently by the author. It allows natural and elegant grounding of main equations describing wetting of solid surfaces, i.e. Young, Wenzel and Cassie-Baxter equations. The problems of superhydrophobicity, wetting transitions and contact angle hysteresis are discussed in much detail, in view of novel models and new experimental data.
Author: Pauf Neupane Publisher: ISBN: Category : Languages : en Pages : 14
Book Description
"The wetting behavior of aqueous organic systems is of great importance in several environmental and industrial processes such as the formation and growth of atmospheric aerosols, crude oil recovery from an oil field, onsite cleaning of natural gas, and clean-up of oil spills. In this work, we employed molecular dynamics (MD) simulations to explore the temperature dependent wetting behavior of octane and nonane on water in planar interfaces as well as in nanodroplets using PYS alkane and SPC/E and TIP4P/2005 water models. For planar interfaces, we found unusual wetting behavior of octane and nonane on SPC/E water, but generally not on TIP4P/2005 water, at lower temperatures, where the spreading coefficient decreased and the contact angle increased with increasing temperature. At higher temperatures, these contact angles were found to decrease with increasing temperatures as the usual high temperature wetting transition was approached. For nanodroplets, the contact angle of octane and nonane on both SPC/E and TIP4P/2005 water was found to unusually increase with increasing temperature. Configurational fluctuations of the nanodroplets were found to be greatly reduced for larger values of the potential cut-off radius. Moreover, the contact angles were calculated for different ratios of octane and water and found to be nearly independent of the liquid species ratio. In addition, we also studied the physical properties as well as molecular orientations of octane and nonane using PYS, NERD and a modified TraPPE-UA alkane model. Molecular orientations were found to be temperature dependent in the liquid-vapor interface, but not in the bulk region. At lower temperatures, the mean molecular orientation was more perpendicular to the surface on the liquid side of the Gibbs dividing surface and more parallel to the surface on the vapor side. These orientational trends were mirrored in the freezing of NERD octane and nonane at 195 K and 210 K, respectively, with the oriented surface layer freezing first"--Abstract, page iv.
Author: Alex Li Dequan Publisher: CRC Press ISBN: 9814316776 Category : Science Languages : en Pages : 472
Book Description
In the past several decades, molecular self-assembly has emerged as one of the main themes in chemistry, biology, and materials science. This book compiles and details cutting-edge research in molecular assemblies ranging from self-organized peptide nanostructures and DNA-chromophore foldamers to supramolecular systems and metal-directed assemblies, even to nanocrystal superparticles and self-assembled microdevices
Author: Allen J. Bard Publisher: Wiley-VCH ISBN: Category : Science Languages : en Pages : 864
Book Description
Electrochemical processes play an increasingly large role in our daily lives; whether in producing or saving energy, rust protection or nerve stimuli in our bodies. This 11-volume encyclopedia provides both an easy introduction to all topics related to modern electrochemistry as well as a comprehensive overview of the subject. Unrivalled in its breadth and depth, this first-class reference work has been created and written by renowned scientists, covering everything from fundamental research to areas of application. Editors-in-Chief: Allen Bard, Martin Stratmann Volume 1: Thermodynamics and Electrified Interfaces (Editors: Eliezer Gileadi, Michael Urbakh) Volume 2: Interfacial Kinetics and Mass Transport (Editor: Ernesto Julio Calvo) Volume 3: Instrumentation and Electroanalytical Chemistry (Editor: Pat Unwin) Volume 4: Corrosion and Oxide Films (Editors: Martin Stratmann, Gerald S. Frankel) Volume 5: Electrochemical Engineering (Editor: Digby D. Macdonald) Volume 6: Semiconductor Electrodes and Photoelectrochemistry (Editor: Stuart Licht) Volume 7: Inorganic Electrochemistry (Editors: William E. Geiger, Chris Pickett) Volume 8: Organic Electrochemistry (Editor: Hans J. Schäfer) Volume 9: Bioelectrochemistry (Editor: George S. Wilson) Volume 10: Modified Electrodes (Editors: Israel Rubinstein, Masamichi Fujihira) Volume 11: Index
Author: William R Wagner Publisher: Academic Press ISBN: 0128161388 Category : Technology & Engineering Languages : en Pages : 1612
Book Description
The revised edition of the renowned and bestselling title is the most comprehensive single text on all aspects of biomaterials science from principles to applications. Biomaterials Science, fourth edition, provides a balanced, insightful approach to both the learning of the science and technology of biomaterials and acts as the key reference for practitioners who are involved in the applications of materials in medicine.This new edition incorporates key updates to reflect the latest relevant research in the field, particularly in the applications section, which includes the latest in topics such as nanotechnology, robotic implantation, and biomaterials utilized in cancer research detection and therapy. Other additions include regenerative engineering, 3D printing, personalized medicine and organs on a chip. Translation from the lab to commercial products is emphasized with new content dedicated to medical device development, global issues related to translation, and issues of quality assurance and reimbursement. In response to customer feedback, the new edition also features consolidation of redundant material to ensure clarity and focus. Biomaterials Science, 4th edition is an important update to the best-selling text, vital to the biomaterials’ community. The most comprehensive coverage of principles and applications of all classes of biomaterials Edited and contributed by the best-known figures in the biomaterials field today; fully endorsed and supported by the Society for Biomaterials Fully revised and updated to address issues of translation, nanotechnology, additive manufacturing, organs on chip, precision medicine and much more. Online chapter exercises available for most chapters
Author: Isnardo Torres Publisher: Springer ISBN: 9811040869 Category : Technology & Engineering Languages : en Pages : 837
Book Description
This volume presents the proceedings of the CLAIB 2016, held in Bucaramanga, Santander, Colombia, 26, 27 & 28 October 2016. The proceedings, presented by the Regional Council of Biomedical Engineering for Latin America (CORAL), offer research findings, experiences and activities between institutions and universities to develop Bioengineering, Biomedical Engineering and related sciences. The conferences of the American Congress of Biomedical Engineering are sponsored by the International Federation for Medical and Biological Engineering (IFMBE), Society for Engineering in Biology and Medicine (EMBS) and the Pan American Health Organization (PAHO), among other organizations and international agencies to bring together scientists, academics and biomedical engineers in Latin America and other continents in an environment conducive to exchange and professional growth.
Author: Dinah Michele Soolaman
Author: Dinah Michele Soolaman
Author: Mahmood Aliofkhazraei
Author: Edward Yu. Bormashenko
Author: Paolo Ferrarini
Author: Pauf Neupane
Author: 
Author: Alex Li Dequan
Author: Allen J. Bard
Author: William R Wagner
Author: Isnardo Torres