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Alkaline phosphatase (ALP), one of the important hydrolases, is associated with the progress of many diseases as a well-defined biomarker. Fluorescence imaging of ALP in living organisms is of great importance for biological studies. However, in vivo detection of ALP remains a great challenge because current fluorescent probes show short excitation and emission wavelength, which are not desired for...
A convenient method is proposed for precise investigation of the asynchronous structural transition of the domains in bovine serum albumin (BSA) during unfolding process. The method is based on a site-selective probe, alizarin red S (ARS), which has a high affinity to the subdomain IIA of BSA. BSA–ARS complex was formed and gradually unfolded by urea from 0 to 8.0M. The unfolding occurred in different...
A novel electrochemical sensing system for direct electrochemistry-based hydrogen peroxide biosensor was developed that relied on the virtues of excellent biocompatibility, conductivity and high sensitivity to the local perturbations of single-layer graphene nanoplatelet (SLGnP). To demonstrate the concept, the horseradish peroxidase (HRP) enzyme was selected as a model to form the SLGnP-TPA (tetrasodium...
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