Results 61 to 70 of about 1,851,098 (186)

一种微囊化细胞活性的检测方法

open access: yes, 2011
本发明涉及一种微囊化细胞活性的检测方法。检测步骤包括样品提取、腺苷酸分离定量,通过能荷计算表征微囊内细胞活性。本发明针对微胶囊这样的特殊体系设计了一套用于微囊内细胞腺苷酸定量的操作方案,能准确定量微囊化细胞腺苷酸含量,克服现有技术存在的提取过程样品损失大,测试不稳定,重复性差等缺陷。测定结果可作为微囊化细胞活性的评价指标 ...
王为, 肖静, 马小军, 于炜婷
core  

Laser‐Induced Graphene/AuNPs‐Gated OECT Biosensor for Sensitive Detection of PD‐L1‐Positive Exosomes Associated With Non‐Small Cell Lung Cancer

open access: yesRare Metals, Volume 45, Issue 10, October 2026.
ABSTRACT Lung cancer remains a major cause of cancer‐related mortality worldwide, and non‐small cell lung cancer (NSCLC) accounts for the largest proportion of diagnosed lung cancer cases. Exosomal programmed death‐ligand 1 (PD‐L1) has attracted increasing attention as a potential liquid‐biopsy biomarker associated with tumor immune regulation; however,
Chen Su   +6 more
wiley   +1 more source

「躍升彰師 44風華」國立彰化師範大學44週年校慶

open access: yes, 2016
[[abstract]]104年10月24日是彰化師大44週年校慶,為了迎接本校年度盛事,特地以「躍升彰師 44風華」為主題,籌辦了一系列精彩的慶祝活動,熱情邀請社區民眾一起參加,共享喜悅。   自10月14日起有校慶演唱會、校慶園遊會、社團聯演、機車慢舞、「微影憶往」-星空微電影、「戀曲44」-口琴情深、白沙湖畔音樂會、「手繪人生」-金鐘主持人吳學孟大師的手語世界等校慶系列活動。   10月24日(星期六)上午10時整,於進德校區綜合中心演講廳舉辦「44週年校慶慶祝大會 ...
學務處課外活動指導組
core  

Lignin‐Derived Carbon Quantum Dots as Hole‐Trapping Promoters in LCDs/Bi‐MOF/ZIS With S‐Scheme Heterojunction for Efficient Photocatalytic Hydrogen Peroxide Production in Pure Water

open access: yesRare Metals, Volume 45, Issue 10, October 2026.
ABSTRACT Photocatalytic hydrogen peroxide (H2O2) production from water and oxygen driven by solar energy represents a highly promising green and sustainable strategy. Herein, lignin‐derived carbon quantum dots (LCDs) were strategically introduced at the heterojunction between a Bi‐based metal organic framework (Bi‐MOF) and ZnIn2S4 (ZIS).
Wanpeng Sun   +8 more
wiley   +1 more source

掺铅TiO2薄膜的光催化活性及电化学性能

open access: yes, 2004
采用溶胶凝胶烧结工艺在玻璃表面制备铅离子多层掺杂的光催化复合TiO2薄膜,用XRD技术表征了该薄膜的晶型,并用电化学方法测定了该薄膜电极的伏安特性及交流阻抗性能.以光催化降解甲基橙溶液为模型反应,采用两种不同方式制备的铅离子多层掺杂TiO2薄膜具有很好的光催化活性,最佳掺杂浓度均为0.5%(Pb/Ti原子百分比),PbD0.5掺铅薄膜的最佳光催化降解甲基橙表观速率常数约是纯TiO2的2.52倍.铅离子掺杂TiO2薄膜表现出近表面处捕获光生电子或空穴 ...
古国榜, 李新军, 于书平
core  

全球火山活动时空分布特征及其对强震活动趋势的指示

open access: yesDizhen xuebao
基于史密森学会火山目录分析了全球火山活动的时空特征,并结合中国地震台网目录讨论了火山活动对全球和中国大陆强震活动趋势的指示意义。结果显示:① 全球火山活动表现出较为显著的百年周期特征,且百年周期内火山活动和M≥8.0大震之间存在着频次准同步和能量互补现象;② 中国大陆1955年前后强震活动状态的变化可能与同期全球火山活动状态变化密切相关,且二者可能受控于百年周期内地球内部能量积累与释放的状态变化;③ 2022年汤加火山的剧烈喷发意味着地球内部能量仍在持续释放 ...
Fuqiang Shi   +7 more
doaj   +1 more source

Lanthanide Nanoparticles With Dual Enzyme Mimetic Activities for Targeted Treatment of Gram‐Negative Bacterial Infections

open access: yesRare Metals, Volume 45, Issue 10, October 2026.
ABSTRACT Gram‐negative (G−) bacterial infections, fueled by intrinsic antibiotic resistance stemming from their unique outer membrane architecture, pose a critical global clinical challenge. This study introduces a pioneering dual‐enzyme‐mimetic nanotherapy based on NaYbF4 nanoparticles (NaYbF4 NPs) that achieves synergistic antibacterial and anti ...
Yuxiang Zhang   +6 more
wiley   +1 more source

Boosting Decomposition and Combustion of TKX‐50 and HTPB/TKX‐50 Propellants With NH2‐MIL‐88B(Fe) MOF

open access: yesRare Metals, Volume 45, Issue 10, October 2026.
ABSTRACT Dihydroxylammonium 5,5′‐bistetrazole‐1,1′‐diolate (TKX‐50) is a promising energetic material that possesses both exceptional energy density and low sensitivity. Nevertheless, its application is hindered by incomplete pyrolysis during combustion or explosion. Various strategies, including eutectic formation, composite preparation, and catalysis,
Jingwen Chen   +10 more
wiley   +1 more source

Zr/TiO2与Ni/InVO4的控制掺杂及光催化活性

open access: yes, 2006
光催化具有能耗低、操作简单、无二次污染等突出特点,在污染物处理、有机合成、催化制氢等能源环境领域具有潜在的发展前景。但是光催化活性和转化效率普遍较低仍是光催化应用最大的瓶颈之一。本文通过对TiO2的Zr离子控制掺杂,来探讨提高光催化剂活性的途径,并运用到可见光催化剂InVO4的控制掺杂改性上,最后分析了控制掺杂提高光催化剂活性的机理。 本文采用溶胶-凝胶法,利用控制掺杂工艺,制备了Zr非均匀分布TiO2薄膜催化剂、Ni非均匀分布InVO4薄膜催化剂,并合成了Ni-InVO4复合粉末催化剂。通过XRD ...
樊俊林
core   +1 more source

活性炭载体对TiO2/AC光催化降解苯酚影响研究

open access: yesGongye shui chuli, 2011
分别以典型煤基活性炭和椰壳活性炭为载体,采用溶胶-凝胶法制备了TiO2/AC复合光催化剂,采用低温氮气吸附、X射线衍射、扫描电镜等对其性能进行了表征,分析了活性炭载体对复合光催化剂性能的影响。结果表明:TiO2在椰壳活性炭载体上的负载率高于煤基活性炭,TiO2负载使椰壳活性炭的比表面积和微孔容明显减,TiO2溶胶对微孔的堵塞作用显著,煤基复合光催化剂对苯酚的吸附和光催化效果优于椰壳复合光催化剂。
姜勇   +4 more
doaj   +2 more sources

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