A chemical imbalance is when neurotransmitters in the brain are not balanced. These imbalances often are associated with ADHD, Alzheimer's disease, and other mental health and neurodegenerative issues ...

本研究揭示了活性氧物种(ROS)在美洲黑杨木质部发育中的关键作用。研究人员通过对比分析速生型(Wimco-109)和慢生型(Wimco-83)克隆株系发现，超氧阴离子(O2•?)促进生长而H2O2导致木质化增强。研究证实NADPH氧化酶(NOX)活性差异调控ROS平衡，为造纸工业选育低木质素 ...

Frameworks of ecological risk assessments. a, Traditional dose–response linear models for conventional approaches. b, Nonlinear response patterns framework for natural ecosystems under multiple ...

The Nature Index 2025 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 ...

Overview: Hydrogen peroxide is used on your skin or in your mouth to clean wounds or irritated areas and reduce the risk of infection. Avoid swallowing hydrogen peroxide. It is available in several ...

Chemical companies are increasingly looking to the mass-balance concept as a method of offering chemicals made from renewable raw materials. It’s a low-cost, low-risk way to get into the renewables ...

A spray of water microdroplets turns a test strip blue, indicating the presence of hydrogen peroxide. Credit: Credit: Proc. Natl. Acad. Sci. U.S.A. It’s the latest in a series of studies from Zare, ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...