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欢迎访问罗蒙诺索夫莫斯科国立大学化学系药物化学与精细有机合成教研室天然腐殖系统实验室网站。根据莫斯科国立大学校长 2017 年 8 月 1 日的命令,该实验室作为莫斯科国立大学化学系药物化学和精细有机合成系的分支成立。因此,今天我们的实验室是化学系“最年轻”的实验室之一:)

实验室负责人为首席研究员、化学科学博士Irina Vasilievna Perminova教授。我们的团队由研究员、博士生,研究生和本科生组成。实验室的任务主要包括研究天然腐殖质系统中的超分子簇的结构和性质,凭藉合理的合成方案以及计算机辅助设计等方法,为现代医学、生态学和农业学开创建立天然类似物的结构、材料和技术。我们期待并高兴在我们的网站上见到您!


出版于 «Комерсантъ»

“我们不得不把帽子摘下来”

腐殖质是各种化学一次

也许,我们每个人都不止一次地想知道生命物质曾经是如何从无生命的物质中出现的。 这条线在哪里? 根本区别是什么? 这种转变的条件是什么? 是否有可能人为地创建它们? 事实证明,这种转变的可能性是由腐殖系统进行的,这些腐殖系统支持其所有多样性的生命。 它是什么,为什么研究它们很重要,它给了我们什么新的机会,伊琳娜Perminova,化学科学博士,教授,医学化学和精细有机合成化学系化学系的自然腐殖系统实验室

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Yedoma Permafrost Releases Organic Matter with Lesser Affinity for Cu2+ and Ni2+ as Compared to Peat from the Non-Permafrost Area:\ Risk of Rising Toxicity of Potentially Toxic Elements in the Arctic Ocean.
Sobolev Nikita A., Larionov Konstantin S., Mryasova Darya S., Khreptugova Anna N., Volikov Alexander B., Konstantinov Andrey I., Volkov Dmitry S., Perminova Irina V.. TOXICS, 2023, , doi: 10.3390/toxics11060483

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文章摘要

Pollution of the Arctic Ocean by potentially toxic elements (PTEs) is a current environmental problem. Humic acids (HAs) play an important role in the regulation of PTE mobility in soil and water. The permafrost thaw releases ancient organic matter (OM) with a specific molecular composition into the Arctic watersheds. This could affect the mobility of PTEs in the region. In our study, we isolated HAs from two types of permafrost deposits:\ the Yedoma ice complex, which contains pristine buried OM, and the alas formed in the course of multiple thaw–refreezing cycles with the most altered OM. We also used peat from the non-permafrost region as the recent environmental endmember for the evolution of Arctic OM. The HAs were characterized using 13C NMR and elemental analysis. Adsorption experiments were conducted to assess the affinity of HAs for binding Cu2+ and Ni2+. It was found that Yedoma HAs were enriched with aliphatic and N-containing structures as compared to the much more aromatic and oxidized alas and peat HAs. The adsorption experiments have revealed that the peat and alas HAs have a higher affinity for binding both ions as compared to the Yedoma HAs. The obtained data suggest that a substantial release of the OM from the Yedoma deposits due to a rapid thaw of the permafrost might increase the mobility of PTEs and their toxicity in the Arctic Ocean because of much lesser “neutralization potential”.


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