本综述系统阐述了硅（Si）、硒（Se）和钴（Co）三种有益元素通过增强抗氧化防御系统（如SOD、CAT、APX等酶活性和抗坏血酸、类胡萝卜素等非酶物质）、改善渗透调节及光合同化物转运，有效缓解氧化应激（ROS如·OH、H2O2、O2•?等），进而提升作物在干旱、盐害 ...

这篇研究揭示了赤霉素(GA)调控水稻耐热性的关键机制：热胁迫通过抑制GA生物合成基因(OsKS2/OsKO2/OsGA20ox等)表达和激活GA失活 ...

Hydrogen peroxide is a common ingredient in eardrops that can help remove earwax by adding oxygen to the wax, causing it to bubble and soften. Earwax is a waxy substance secreted in the ear canal. It ...

The Nature Index 2024 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

London witnessed not one, but two, Trooping the Colour parades this weekend. The night before the King celebrated his official birthday during Saturday’s ceremony, Doja Cat painted the town red with ...

This article is brought to you by our exclusive subscriber partnership with our sister title USA Today, and has been written by our American colleagues. It does not necessarily reflect the view of The ...

When gas powered cars get older the catalytic converter, or converters if you have a V style engine, can lose their efficiency and set off a CEL, or check engine light. P0420 is a code for a failing ...

Personalized healthcare is about to undergo a revolution thanks to these sensors, which are proficient in both colorimetric and electrochemical detection. The novel Pt-Ni hydrogels, which are produced ...

ABSTRACT: Tilia species have been used in Asia, Europe and in America to treat anxiety and also for the treatment of colds and inflammation. The oxygen reactive species (ROS) (hydrogen peroxide (H2O2) ...

For research papers The BMJ has fully open peer review. This means that accepted research papers published from early 2015 onwards usually have their prepublication history posted alongside them on ...

在生物系统中，游离活性氧量很低，因此测定时需要灵敏的方法如脉冲射解、电子自旋共振等技术，但仪器较昂贵。由线粒体产生的H2O2，存在时间较长，能使DCFH探针的荧光物被氧化成DCF（二氯荧光素双乙酸盐），DCF可被酯酶裂解成二氯荧光素，以二氯荧光素为 ...