Journal of biotechnology, 31(3), 257-266 (1993-12-01)
To achieve effective bioprocess monitoring, sensing systems are required which are suitable for an on-line determination of substrates, inhibitors, nutrients or products. Such devices may utilise biochemical principles, i.e. the specific interaction of biochemical receptors with their surroundings. They can
Comparative studies of the electrochemical oxidation of reduced nicotinamide coenzyme (NADH) at the surfaces of chemically modified graphite paste electrodes (CMEs) are reported. Three different electroactive materials, tetracyanoquinodimethane (TCNQ), tetrathiafulvalene (TTF), and dimethyl ferrocene (dmFc), were used to construct three
Biochemical and biophysical research communications, 139(2), 509-514 (1986-09-14)
The synthetic antioxidants butylated hydroxytoluene (BHT), nordihydroguaiaretic acid and the one-electron donor 1,1'-dimethylferrocene, inhibit cytosolic Ca++ increase, shape change, aggregation and ATP secretion in aspirinated washed human platelets stimulated by thrombin, vasopressin and platelet-activating factor. The antioxidants also inhibit cytosolic
The special requirements for implantable glucose sensors which differ from laboratory analysers and in vitro probes include continuous operation without drift, compatibility with in vivo body conditions, electrical and toxicological safety and patient acceptability. We have studied the effect of
Miniature, amperometric glucose sensors were constructed using entrapped 1,1'-dimethylferrocene to mediate electron transfer between immobilised glucose oxidase and a carbon base electrode. Electrodes were calibrated in buffered glucose solutions and then implanted in the subcutaneous tissue of anaesthetised, non-diabetic pigs.
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