对“LC-MS /MS法同时测定人血浆中6-氰多巴胺、6-硝基多巴胺、6-硝基多巴、6-硝基肾上腺素和6-溴多巴胺及其在慢性肾病患者中的临床应用”的修正

IF 1.7 4区医学 Q4 BIOCHEMICAL RESEARCH METHODS

Biomedical Chromatography Pub Date : 2025-08-21 DOI:10.1002/bmc.70207

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引用次数: 0

摘要

Ribeiro， LF, Babadopulos， T, Oliveira， M, Nishimaru， F, Zatz， R, Motta， R, Moraes， O, Moraes， E, Peterson， LW, De Nucci， G.一种LC-MS /MS同时测定人血浆中6-氰多巴胺、6-硝基多巴胺、6-硝基多巴胺、6-硝基肾上腺素和6-溴多巴胺的方法及其在慢性肾病患者中的临床应用，生物医学色谱，2024卷38，第8期https://doi.org/10.1002/bmc.5896。我们在原稿中发现了两个需要改正的错误。将流动相A和B倒置，在样品提取过程中，写的是用乙酸铵进行洗涤和稀释，实际上是用去离子水进行的。在“2.5萃取程序”章节第8段中，第二句“加入醋酸铵（200 mm, 0.5 ml），样品在涡旋下均质20 s”的文字不正确。这应该是：“加入去离子化的H2O (0.5 ml)，样品在涡旋下均质20 s”。同样在“2.5萃取程序”部分的第8段中，第五句中的文字：“将样品（1ml）应用于SPE筒中，然后用200mm醋酸铵（1.5 ml）洗涤”是不正确的。这应该是：“将样品（1ml）应用于固相萃取筒，然后用去离子水（1.5 ml）洗涤。”摘要中第二句“…用82%流动相A（乙腈- H2O； 90:10, v/v） + 0.4%醋酸和18%流动相B（去离子化的H2O）+ 0.2%甲酸…”的文字不正确。这应该是：“…用82%的流动相A（去离子化的H2O）+ 0.2%甲酸和18%的流动相B（乙腈- H2O； 90:10, v/v） + 0.4%醋酸灌注…”。在“2.6儿茶酚胺的定量”章节的第9段中，第二句中的文字“…用82%的流动相A（乙腈- H2O； 90:10, v/v） + 0.4%醋酸和18%的流动相B（去离子化的H2O） + 0.2%甲酸…”是不正确的。这应该是：“…用82%的流动相A（去离子化的水）+ 0.2%甲酸和18%的流动相B（乙腈-水；90:10,v/v） + 0.4%醋酸灌注…”。在图4“3.3 LC-MS/MS分析”一节的标题中，标题的第二句：“色谱条件：流动相A， 90:10 （v/v）乙腈/水+ 0.4%醋酸；流动相B：水+ 0.2%甲酸；等压流，由82%的流动相A和18%的流动相B组成；是不正确的。色谱条件：流动相A，水+ 0.2%甲酸；流动相B: 90:10 （v/v）乙腈/水+ 0.4%醋酸；等压流，由82%流动相A和18%流动相B组成；我们为这些错误道歉。路易斯·费尔南多·里贝罗博士，通讯作者

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Correction to “A LC–MS/MS Method for the Simultaneous Determination of 6-Cyanodopamine, 6-Nitrodopamine, 6-Nitrodopa, 6-Nitroadrenaline and 6-Bromodopamine in Human Plasma and Its Clinical Application in Patients With Chronic Kidney Disease”

查看原文本刊更多论文

Ribeiro, LF, Babadopulos, T, Oliveira, M, Nishimaru, F, Zatz, R, Motta, R, Moraes, O, Moraes, E, Peterson, LW, De Nucci, G. A LC–MS/MS Method for the simultaneous Determination of 6-Cyanodopamine, 6-Nitrodopamine, 6-Nitrodopa, 6-Nitroadrenaline, and 6-Bromodopamine in Human Plasma and Its Clinical Application in Patients With Chronic Kidney Disease, Biomedical Chromatography. 2024 Volume 38, Issue 8 https://doi.org/10.1002/bmc.5896.

We identified two errors that need to be corrected in the manuscript. The mobile phases A and B are inverted, and in the sample extraction procedure, it is written that a wash and sample dilution were made with ammonium acetate, which in reality were made with deionized water.

In paragraph 8 of “2.5 Extraction procedure” section, the text in the second sentence: “Ammonium acetate (200 mm, 0.5 ml) was added, and the sample was homogenized under vortex for 20 s” was incorrect. This should have read: “Deionized H₂O (0.5 ml) was added, and the sample was homogenized under vortex for 20 s”.

Also in paragraph 8 of “2.5 Extraction procedure” section, the text in the fifth sentence: “The samples (1 ml) were applied to the SPE cartridges followed by washing with 200 mm ammonium acetate (1.5 ml).” was incorrect. This should have read: “The samples (1 ml) were applied to the SPE cartridges followed by washing with deionized water (1.5 ml).”

In the Abstract, the text in the second sentence: “… perfused with 82% mobile phase A (acetonitrile–H₂O; 90:10, v/v) + 0.4% acetic acid and 18% mobile phase B (deionized H₂O)+ 0.2% formic acid …” was incorrect. This should have read: “… perfused with 82% mobile phase A (deionized H₂O)+ 0.2% formic acid and 18% mobile phase B (acetonitrile–H₂O; 90:10, v/v) + 0.4% acetic acid …”.

In paragraph 9 of “2.6 Quantification of Catecholamines” section, the text in the second sentence: “… perfused by 82% of mobile phase A (acetonitrile–H2O; 90:10, v/v) + 0.4% acetic acid and 18% mobile phase B (deionized H2O) + 0.2% formic acid …” was incorrect. This should have read: “… perfused by 82% of mobile phase A (deionized H2O) + 0.2% formic acid and 18% mobile phase B (acetonitrile–H2O; 90:10, v/v) + 0.4% acetic acid …”.

In the caption of fig. 4, of “3.3 LC-MS/MS analysis” section, the second sentence of the caption: “Chromatographic conditions: mobile phase A, 90:10 (v/v) acetonitrile/water + 0.4% acetic acid; mobile phase B, water + 0.2% formic acid; isocratic flow, composed of 82% mobile phase A and 18% mobile phase B;” was incorrect. This should have read: “Chromatographic conditions: mobile phase A, water + 0.2% formic acid; mobile phase B, 90:10 (v/v) acetonitrile/water + 0.4% acetic acid; isocratic flow, composed of 82% mobile phase A and 18% mobile phase B;”.

We apologize for these errors.

Luiz Fernando Ribeiro, Ph.D, correspondence author

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来源期刊

Biomedical Chromatography 生物-分析化学

CiteScore

3.60

自引率

5.60%

发文量

268

审稿时长

2.3 months

期刊介绍： Biomedical Chromatography is devoted to the publication of original papers on the applications of chromatography and allied techniques in the biological and medical sciences. Research papers and review articles cover the methods and techniques relevant to the separation, identification and determination of substances in biochemistry, biotechnology, molecular biology, cell biology, clinical chemistry, pharmacology and related disciplines. These include the analysis of body fluids, cells and tissues, purification of biologically important compounds, pharmaco-kinetics and sequencing methods using HPLC, GC, HPLC-MS, TLC, paper chromatography, affinity chromatography, gel filtration, electrophoresis and related techniques.