Electrosurface Phenomena at Polymer Films for Biosensor Applications

Electrosurface Phenomena at Polymer Films for Biosensor Applications

Sensitive surfaces: Thin polymer films as applied for sensitive elements of biosensors have been characterized by the combined determination of zeta potential and surface conductivity. Zeta potential versus pH plots indicate the acid–base characteristics of the polymer layers (see graphic). Surface...

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Veröffentlicht in:Chemphyschem 2003-04, Vol.4 (5), p.509-514
Hauptverfasser: Zimmermann, Ralf, Birkert, Oliver, Gauglitz, Günter, Werner, Carsten
Format: Artikel
Sprache:eng
Schlagworte:
Biological and medical sciences
Biosensing Techniques - methods
Biosensors
Biotechnology
Biotin
conducting materials
Dextrans - chemistry
Electrochemistry
Fundamental and applied biological sciences. Psychology
Hydrogen-Ion Concentration
Kinetics
Membranes, Artificial
Methods. Procedures. Technologies
Polyethylene Glycols - chemistry
polymers
Polymers - chemistry
Potassium Chloride - chemistry
Solutions - chemistry
Streptavidin - chemistry
surface chemistry
Surface Properties
thin films
Various methods and equipments
zeta potential
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Zusammenfassung:Sensitive surfaces: Thin polymer films as applied for sensitive elements of biosensors have been characterized by the combined determination of zeta potential and surface conductivity. Zeta potential versus pH plots indicate the acid–base characteristics of the polymer layers (see graphic). Surface conductivities reveal the accessibility of the interfacial volumes for mobile electrolyte ions.
ISSN:1439-4235
1439-7641
DOI:10.1002/cphc.200200475