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THE JOURNAL OF BIOLOGICAL CHEMISTRY: The Biochemical Behavior of LeadL I. Influence of Calcium, Phosphorus, and Vitamin D on Lead in Blood and Bone

本文通过对EnvironmentalScience＆Technology期刊的研究，学习和借鉴该刊的先进经验和成功实践，总结和凝练其创新发展的本质属性与规律，提出我国科技期刊未来发展的基本战略。

Environmental Science & Technology期刊范例研究

Science in China. Series B, Chemistry

The global surge in chronic hyperglycemia, the autoimmune disease resulting from diabetes mellitus, has attracted worldwide scientists to develop novel methods for assaying blood glucose levels in the human body. In this work, we reported a new sensitive chromogenic reagent-based single beam spectrophotometric assay of glucose. This method is based on the catalytic oxidation of D-glucose to D-gluconolactone and H2O2 by glucose oxidase (GOD), later by the oxidative coupling of quinone with imine radical to give purple-colored quinone-imine chromogenic species with λmax = 540 nm. The linearity of glucose lies in the range of 57.81–1850.2 and 14.45–925.1 µmol L–1 by rate and fixed time method. The Michaelis–Menten constant attained by the Lineweaver–Burk plot at the optimal concentration of the reagents was 526.31 µM with Vmax of 0.2659 EU min–1 and catalytic constant of 1.3295 min–1. Intra- and inter-day precision ranged between 0.73%–1.4% and 1.76%–2.4%, respectively. The standard addition method for the recovery of glucose fluctuated between 97.78% and 104.35%, registering minimal common interference species present in the blood samples. The results showed a good accuracy level (90%–102%), and the calculated limit of detection (LOD) and limit of quantification (LOQ) were as low as 2.17 and 8.56 µM. The proposed work has a good correlation with the standard enzyme kit method. Hence, the proposed system can be convenient for the determination of glucose in biological samples. 

Spectrophotometric determination of glucose in human serum samples using para‐phenylenediamine and alpha‐naphthol as a chromogenic reagent

This is the ultimate chemistry study guide. Founded over 50-years ago, REA is dedicated to producing the finest and most effective digital and print materials in educational publishing. This is the ultimate in study guides. From the elementary to the advanced, this title is prepared by experts in each field. It enables students to get to grips with the subject by showing them the way, step-by-step, saving hours of time and frustration. Each Problem Solver is an insightful and essential study and solution guide filled with clear, concise problem-solving gems. More useful, more practical, and more informative, these study aids are the best review books and textbook companions available. Nothing remotely as comprehensive or as helpful exists in their subject anywhere. It is perfect for undergraduate and graduate studies. Here in this highly valuable reference is the finest overview of chemistry currently available, with hundreds of chemistry problems that cover everything from atomic theory and quantum chemistry to electrochemistry and nuclear chemistry. Each problem is clearly solved with step-by-step detailed solutions.

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Quantification and evaluation of kinetic bio-catalytic pathway of horseradish peroxidase in an electron mediated reaction system and its applications in plant extracts.

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Quantification and evaluation of kinetic bio-catalytic pathway of horseradish peroxidase in an electron mediated reaction system and its applications in plant extracts.