نتایج جستجو برای: modification with gold
تعداد نتایج: 9267962 فیلتر نتایج به سال:
The catalytic properties of modified Au/TiO₂ catalysts for low-temperature CO oxidation are affected by deactivation and reactivation after long-term storage and by redox treatments. The effect of these phenomena on the catalysts was studied by HRTEM, BET, SEM, FTIR CO, XPS and H₂ TPR methods. The main cause for the deactivation and reactivation of catalytic properties is the variation in the e...
We have developed a simple electrochemical biosensing strategy for the label-free diagnosis of hepatitis B virus (HBV) on a gold electrode surface. Gold-binding polypeptide (GBP) fused with single-chain antibody (ScFv) against HBV surface antigen (HBsAg), in forms of genetically engineered protein, was utilized. This GBP-ScFv fusion protein can directly bind onto the gold substrate with the str...
The paper examines how adjectival modification classes can be detected by applying unsupervised methods on adjective-noun co-occurrence data. It evaluates a k-means baseline, two graphical models, and a recently introduced bidirectional clustering algorithm against HeiPLAS, a manually annotated gold standard for hidden modificational classes. The paper shows that the bidirectional clustering al...
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