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Analytical biochemistry Journal

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Saadet Demirtas Inci, Murat Tulmac,Cagatay Tunca, Tolgahan Efe,Hakan Gullu
In this report, we present a patient with ventricular septal defect (VSD) that was detected at follow-up one month after transcatheter aortic valve implantation (TAVI) and successfully closed percutaneously. Before the procedure, a 29 mm Portico self-expanding aortic valve prosth...
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Recombinant DNA technology has been widely used for the production of proteins in recent years. In this paper, we describe the expression and the purification of two specific peptides corresponding to parts of the human immunodeficiency virus Rev protein. The strategy of this met...
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A new method for coupling of amino compounds to enzymes is described. An aminoglycoside, gentamicin, is functionalized with a nucleophilic sulfhydryl group on its deoxystreptamine ring and an enzyme, glucose 6-phosphate dehydrogenase (G6PDH), is modified with electrophilic bromoa...
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LA JOHNSON
The problem of comparing and pooling experimentally independent estimates of a parameter such as a Michaelis constant (K) has been treated as a simple analysis of variance of “within” and “between” set deviations from the fitted variable (v). As applied to assessing the reproduci...
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Heavy metal detection is critical due to its harmful effects on human health and the ecosystem. Enzyme-based platforms attract attention for heavy metal detection such as silver, a toxic metal, due to being small, portable, and requiring only essential equipment compared with the...
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A high-performance liquid chromatographic assay for the determination of endogenous plasma and urine concentrations of N1-methylnicotinamide was developed. N1-Methylnicotinamide and N1-ethylnicotinamide (internal standard) are reacted with acetophenone in a strong base at 0 degre...
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Human serum albumin (HSA) is a multifunctional protein with ligand binding, transporting and buffering properties. Posttranslational modifications and ligand binding processes are closely related to albumin final functional status. In the last few decades, HSA has been characteri...
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Bacteria monitoring is essential for many industrial manufacturing processes, particularly those involving in food, biopharmaceuticals, and semiconductor production. Firefly luciferase ATP luminescence assay is a rapid and simple bacteria detection method. However, the detection ...
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Meaningful estimates of diacylglycerol acyltransferase (EC 2.3.1.20) activity in different tissue samples require effective, unbiased methods of sample storage. Samples of the pars costalis diaphragmatis muscle (skirt muscle of the diaphragm) were obtained from 18- to 20-month-ol...
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Nanostructures, nowadays, found growing applications in different scientific and industrial areas. Nano-coins, nanosheets, and nanotubes are used in medical applications as sensors or drug delivery substances. The aim of this study is to explore the adsorption of 1-Adamantylamine...
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Dengpeng Gao, Hongyue Zhang,Yafei Xu, Yun Liu, Huiying Xu, Jianguo Cui
Fluorescent copper nanoslusters (CuNCs) as a new class of fluorophores have attracted more and more attention due to their ease of synthesis, excellent optical properties, and low cost. In this study, a novel label-free fluorescent method was developed for the detection of DNA me...
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Cys2/His2-type zinc finger proteins, which contain the EAR transcriptional repressor domain, are thought to play a key role in regulating the defense response of plants to biotic and abiotic stress conditions. Although constitutive expression of several of these proteins was show...
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The determination of partition coefficients is crucial for the biochemical analysis of membrane-based processes, but requires tedious procedures. We have facilitated this analysis using a silica gel coated with a single phospholipid bilayer (TRANSIL) as the membranous phase. We d...
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The cupric reducing antioxidant capacity (CUPRAC) method using bathocuproine sulfonate (BCS) as cuprous-chelating ligand claims to be an efficient substitute for the conventional CUPRAC assay using neocuproine; however, differences in their physical chemistry give rise to signifi...
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Peptide loss due to surface absorption can happen at any step in a protein analysis workflow and is sometimes especially deleterious for hydrophobic peptides. In this study, we found the LC-MS compatible surfactant, n-Dodecyl-β-D-maltoside (DDM), can maximize hydrophobic peptide ...
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Investigation of the mechanism of sodium ion pumping enzymes requires methods to follow the translocation of sodium ions by the purified and reconstituted proteins in vitro. Here, we describe a protocol that allows following the accumulation of Na(+) in proteoliposomes by the Na(...
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