نتایج جستجو برای: colorimetric aptasensor
تعداد نتایج: 10653 فیلتر نتایج به سال:
Colorimetric data can be readily computed from measured spectral data, however, as illustrated by metameric pairs, the mapping from spectral data to colorimetric values is many-to-one and therefore typically not invertible. In this paper, we investigate inversions of the spectrum-to-colorimetry mapping when the input is constrained to a single color reproduction medium. Under this constraint, a...
The emergence of multidrug-resistant tuberculosis calls for new, rapid drug susceptibility tests. We have tested 150 Mycobacterium tuberculosis isolates against the second-line drugs ethionamide, kanamycin, capreomycin, ofloxacin, and para-aminosalicylic acid by the colorimetric resazurin microtiter assay and the proportion method. By visual reading, MICs were obtained after 8 days. A very good...
"Naked eye" color detection of proteins was achieved by embedding calixarene receptors within vesicles comprising phospholipids and the chromatic polymer polydiacetylene. Dramatic visible absorbance changes were induced through electrostatic interactions between the protein surface and the vesicle-incorporated hosts. The colorimetric responses could be induced by micromolar protein concentratio...
در این پروژه، امکان استفاده از پویشگر، در اندازه گیری رنگ پارچه های دارای بافت، مورد مطالعه و بررسی قرار گرفته است. از آنجا که برای توصیف پویشگر از روش های رگرسیونی استفاده شده، لذا در ابتدا به منظور مطالعه تاثیر نوع نمونه های رنگی مورد استفاده بر روی نتایج اندازه گیری، از سه سری نمونه فاقد بافتار شامل نمونه های چارت های کالرچکر sg و کداک q_60 و تعدادی نمونه انتخابی از مجموعه اطلس مانسل، در مرا...
The development of new sensitive, cost-effective and user-friendly colorimetric bioassays is in increasing demand to meet the requirement of modern clinical diagnostics and field detection. Herein, a novel iron oxide-to-Prussian blue (PB) nanoparticle (NP) conversion strategy was developed and applied to sensitive colorimetric immunosensing of cancer biomarkers. In a typical sandwich-type immun...
We have evaluated three analytical methods for determining inorganic phosphorus in serum applied to the Technicon RA-I000 analyzer: a fully enzymatic colorimetric method based on the specific system purine nucleoside phosphorylase/xanthine oxidase coupled to an indicator colorimetric reaction similar to the Trinder reaction; a chemical method involving the direct UV measurement of the phosphomo...
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