在 25 °C 的 1.0 mol-dm-3 NaCl 溶液中通过电位测量法研究吡啶甲酸和一些潜在双齿氨基酸与氧化钒 (IV) 的二元和三元络合物

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2023-10-23 DOI:10.1007/s10953-023-01331-x

Sabrina Rodríguez, Mary Lorena Araujo, Edgar Del Carpio, Lino Hernández, Vito Lubes

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引用次数: 0

摘要

二元和三元 VO2+-picolinic acid (HPic) 复合物与氨基酸的化学成分：获得了亮氨酸（Leu，HL）、异亮氨酸（Ile，HL）、缬氨酸（Val，HL）、色氨酸（Thr，HL）、谷氨酰胺（Gln，HL）、赖氨酸（Lys，HL）、精氨酸（Arg，HL）和酪氨酸（Tyr，H2L）的二元和三元 VO2+-picolinic acid (HPic) 复合物的化学标示。本研究以 1.0 mol-dm-3 NaCl 为离子介质，在 25 °C 下进行电位滴定。实验数据用最小二乘法程序 LETAGROP 进行分析，相应的分布图则用 HYSS 程序获得。确定了相对稳定性参数 Δlog10 K、log10 X 和 %R.S。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Binary and Ternary Oxovanadium (IV) Complexes with Picolinic Acid and Some Potentially Bidentate Amino Acids Studied by Potentiometric Measurements in 1.0 mol·dm−3 NaCl at 25 °C

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Binary and Ternary Oxovanadium (IV) Complexes with Picolinic Acid and Some Potentially Bidentate Amino Acids Studied by Potentiometric Measurements in 1.0 mol·dm−3 NaCl at 25 °C

The chemical speciation of binary and ternary VO²⁺-picolinic acid (HPic) complexes with the amino acids: Leucine (Leu, HL), Isoleucine (Ile, HL), Valine (Val, HL), Tryptophan (Thr, HL), Glutamine (Gln, HL), Lysine (Lys, HL), Arginine (Arg, HL) and Tyrosine (Tyr, H₂L) were obtained. This study was performed by potentiometric titrations at 25 °C using 1.0 mol·dm⁻³ NaCl as the ionic medium. The experimental data were analyzed with the least squares program LETAGROP, and the respective distribution diagrams were obtained with the HYSS program. The relative stability parameters Δlog₁₀ K, log₁₀ X and %R.S were determined.

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.