本文开发了一种便携式琼脂基比色水凝胶传感器（AH），集成Au@MnO2纳米颗粒（NPs）与智能手机图像分析技术，实现浓香型白酒（LFB）酒醅淀粉的快速无标记检测。通过淀粉酸解为葡萄糖、葡萄糖氧化酶（GOx）催化生成H2O2触发Au@MnO2蚀刻的蓝-粉颜色变化，检测限达3 ...

本研究针对肿瘤微环境(TME)缺氧、酸性及高H2O2特征导致的治疗抵抗问题，开发了负载光敏剂IR825的中空介孔二氧化锰(H-MnO2)纳米系统。该体系通过催化H2O2产氧改善缺氧，协同光热(PTT)、光动力(PDT)和化学动力学治疗(CDT)，在细胞和动物层面均证实显著抑制前列腺癌 ...

负载青蒿琥酯（AS）和二氧化锰（MnO2）的碳酸钙（CaCO3）纳米颗粒是一种针对肿瘤治疗的多功能纳米载药平台。通过利用CaCO3纳米颗粒的优良生物相容性及其在肿瘤微环境弱酸性条件下的快速溶解特性，该系统能够实现AS和MnO2的精准释放。青蒿琥酯是一种来源于 ...

Over 175 years ago, this US town was left behind in Canada. Here’s what it’s like to live there now WNBA legend Diana Taurasi eats words about Caitlin Clark: 'Reality is coming to me now' These Frozen ...

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 ...

Abstract: Deposition of the manganese dioxide (MnO2) Thin Film (TF) was carried out by Electron beam (E-beam) evaporation technique. Structural, optical, and electrical characteristics reveal that ...

ABSTRACT: Battery grade γ-MnO2 powder was investigated as an oxidant and an adsorbent in combination with Fe/Al coagulants for removal of arsenic from contaminated ...

【物理性质】深棕色粉末，mp 535 °C (分解)，d 5.03g/cm3。不溶于水和有机溶剂。 【制备和商品】国内外试剂公司均有销售。 不饱和脂肪醇的氧化 用MnO2能够将烯丙基醇转化成为α,β-乙烯基醛。当醇或胺存在时，酰基氰化物会醇解或氨解得到相应的α,β-乙烯基酯和 ...