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The ubiquitous and obligatory association of cytochrome b-559 with the photosystem II reaction center of oxygenic photosynthesis is a conundrum since it seems not to have a function in the primary electron transport pathway of oxygen evolution. A model for the cytochrome structure that satisfies the cis-positive rule for membrane protein assembly consists(More)
Toluene, a clear, colorless liquid with a distinctive smell, is the most commonly used industrial organic solvent. The adverse effects of chronic toluene exposure have been reported. The abuse of volatile substances is practiced mainly by adolescents and young adults. Chronic toluene abuse causes permanent changes in brain structure correlated with brain(More)
The phosphate-specific transport substrate binding protein-1 (PstS1) is a potential antigen used for the serological diagnosis of tuberculosis. For a highly specific diagnostic result, it is important that the recombinant PstS1 be highly pure and correctly folded. In this study, the PstS1 was expressed as fusion protein with glutathione-S-transferase(More)
Urinary hippuric acid (HA), of molecular weight 180 Da, is one of the major metabolites in toluene-exposed humans and is a major biological indicator. Simple and ubiquitous monitoring of exposure to toluene is very important in occupational health care, and a microfluidic chip-based electrochemical immunoassay for rapid and quantitative detection of HA in(More)
By directly coordinating hippuric acid (HA) to the ferrate (Fe) as an electron transfer mediator, we synthesized a Fe-HA complex, which shows a good electrochemical signal and thus enables the electrochemical immunoanalysis for HA. We electrodeposited organic films containing imidazole groups on the electrode surface and then bonded Ni ion (positive charge)(More)
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