Reactions of Phospholipase A<sub>2</sub> at a Mercury Electrode Surface

Chen, Shaowei; Abruña, Héctor D.

doi:10.1021/jp960837+

Cited by 16 publications

(18 citation statements)

References 17 publications

(24 reference statements)

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“…where K is the adsorption coefficient (M À1 ), C m is the maximum surface coverage (mol · m À2 ) and the parameter g (J · mol 2 · m À2 ) describes the way in which the free energy of adsorption varies with surface coverage: if g is positive, the interactions are attractive, and if g is negative, the interactions are repulsive (Chen and Abruñ a, 1995). Note that since g is 0, the Frumkin isotherm corresponds to the Langmuir isotherm.…”

Section: Adsorption Isothermsmentioning

confidence: 99%

A role for adsorption in lead leachability from MSWI bottom ASH

Chaspoul¹,

Droguene²,

Barban³

et al. 2008

Waste Management

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Section: Adsorption Isothermsmentioning

confidence: 99%

A role for adsorption in lead leachability from MSWI bottom ASH

Chaspoul¹,

Droguene²,

Barban³

et al. 2008

Waste Management

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“…Chen and Abruña [104] have studied, using ac and dc cyclic voltammetry, interfacial interaction between the adsorbed porcine pancreatic phospholipase A 2 and mercury. The authors have proposed reaction mechanism based on the interaction of cystine residues (disulfide) with mercury.…”

Section: Anodization Of Hg Electrodementioning

confidence: 99%

Electrochemistry of Mercury

Orlik

Galus

2006

Encyclopedia of Electrochemistry

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The sections in this article are Double‐layer Properties of Hg /Water Interface Potential of Zero Charge Surface Charge Density and Capacitive Current Experimental and Theoretical Studies of the Hg /Water Interface Double‐layer Properties of Hg /Nonaqueous Media Interface Adsorption and Electrode Reactions at Hg Surface Deposition and Underpotential Deposition of Hg on Various Electrodes Underpotential Deposition of Mercury on Gold Electrodes Film Electrodes and Related Hg Electrodes Adsorption and Electrode Reactions of Inorganic Ions and Coordination Compounds of Metal Ions Analytical Applications Adsorption and Electrode Reactions Involving Organic Compounds Organic Compounds Containing Sulfur, Selenium, and Tellurium Organic Nitrogen Compounds Indicators and Dyes Vitamins and Antibiotics Enzymes and Coenzymes Other Organic Compounds Analytical Aspects of Adsorption of Organic Compounds Ammonium and Quaternary‐substituted Ammonium Amalgams

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“…The adsorption of porcine pancreatic phospholipase has been investigated by means of cyclic voltametric (dc and ac) methods (Chen and Abruna, 1997b). A plausible reaction scheme was proposed for disulfide group adsorption and interaction with mercury, as follows:…”

Section: Interfac Ementioning

confidence: 99%

Self-Assembly Monolayer Structures of Lipids and Macromolecules at Interfaces

Birdi¹

2002

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PREFACEThe information that science can extract from molecules that are essential for the processes of life can lead to better understanding of those processes. In natural selection during evolution (both prebiotic and biotic), physicochemical forces have been featured. A specific class of molecules, the amphiphiles, in aqueous environments exhibit self-assembly properties at liquid and solid interfaces. Such properties when combined with other forces require a special analysis. Of the self-assembly properties of amphiphiles, one is the formation of monomolecular films at both liquid-air and solid-air interfaces. During the last few decades, much has been reported in the literature on the formation of insoluble self-assembly monolayer (SAM) films of lipids and macromolecules (synthetic polymers and biopolymers) on the surface of water or at oil-water interfaces.The phenomenon of monolayer self-assembly has attracted considerable attention as a means of controlling molecular structures at interfaces. Studies of monomolecular films have been found to provide much physicochemical information on a molecular scale, which is useful for understanding many industrial and biological phenomena. For instance, the information obtained from lipid monolayer studies has been useful in determining the forces that stabilize various SAM structures found in lipid bilayers, vesicles, biological cell membranes, virus-cell fusion, emulsions, foams and films, and other self-assemblies. Current texts generally devote a single chapter to the characteristics of spread monolayers on liquids, and a researcher may have to look up a few hundred references to determine the procedures needed to investigate or analyze a particular phenomenon. Furthermore, there is an urgent need at this time for a text that discusses the state of the art regarding the surface phenomena exhibited by lipids and biopolymers, as they are relevant to a wide variety of surface and interfacial processes. During the last decade, the study of SAMs on solid surfaces has been aided greatly by developments in scanning tunneling microscopy (STM) and atomic force microscopy (AFM).The purpose of this book is to bring the reader up to date with the most recent experimental and the theoretical developments in relation to SAMs at liquid and solid surfaces. It is my intention to lead the researcher through the vast literature in such a way that he or she will be able to pursue particular investigation with suitable guidance. Such investigations may be industrial (emulsions, foams, dispersions, enhanced oil recovery, nonlinear optics) or biological [lipid-phase transitions, vesicles (drug targeting); bilayers, membranes, ion transport through membranes, sensors] in nature. The treatment in different parts of the text is based on the fundamental concepts of classical thermodynamics of surfaces (interfaces), i.e., the Gibbs adsorption theory. A large amount of experimental data from the literature has been included and critically examined from a vii viii PREFACE theoretical viewpoint...

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Reactions of Phospholipase A₂ at a Mercury Electrode Surface

Cited by 16 publications

References 17 publications

A role for adsorption in lead leachability from MSWI bottom ASH

A role for adsorption in lead leachability from MSWI bottom ASH

Electrochemistry of Mercury

Self-Assembly Monolayer Structures of Lipids and Macromolecules at Interfaces

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Reactions of Phospholipase A2 at a Mercury Electrode Surface

Cited by 16 publications

References 17 publications

A role for adsorption in lead leachability from MSWI bottom ASH

A role for adsorption in lead leachability from MSWI bottom ASH

Electrochemistry of Mercury

Self-Assembly Monolayer Structures of Lipids and Macromolecules at Interfaces

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Reactions of Phospholipase A₂ at a Mercury Electrode Surface