A ligation DNAzyme-driven catalytic hairpin assembly strategy for miRNA detection [0.03%]
一种用于miRNA检测的DNA酶驱动的催化发夹组装策略
Hongbo Zhang,Yugang Xiao,Zhuoer Zeng et al.
Hongbo Zhang et al.
MicroRNAs (miRNAs) are emerging biomarkers for clinical diagnosis, yet their short length, low abundance, and sequence similarity pose substantial challenges for reliable detection. Here, we propose a ligation DNAzyme with catalytic hairpin...
Poly-thymine-mediated fluorescence recovery of N-CQDs for turn-on sensing of APE1 activity in breast cancer cell lysates [0.03%]
聚胸腺嘧啶介导的N-CQD荧光恢复用于乳腺癌细胞裂解液中APE1活性的.turn-on检测
Xinjuan Xiong,Yanning Li,Minghui Zhao et al.
Xinjuan Xiong et al.
A label-free turn-on fluorescent biosensor is developed for APE1 activity detection based on APE1-gated release of poly-T strands from a constrained DNA duplex, which competitively displaces Ag+ from N-CQDs, recovering fluorescence. The sen...
Direct-injection suppressed ion chromatography-mass spectrometry with online preconcentration for short- and ultra short-chain perfluoroalkyl carboxylic acids in fresh water [0.03%]
直接进样抑制型离子色谱-质谱法在线富集并分析淡水中的短链和极短链全氟羧酸
Jessica Clouthier,Trevor C VandenBoer,Cora J Young
Jessica Clouthier
This work developed a novel analytical method to detect short- and ultra-short chain perfluoroalkyl carboxylic acids (PFCAs) in freshwater samples by direct injection using ion chromatography mass spectrometry (IC-MS). Ultra-short chain PFC...
Post-synthetic and in situ engineering of metal nanoclusters for enhanced stability and multifunctional applications [0.03%]
金属纳米团簇的后合成和原位工程强化稳定性和多功能应用
Ritika Mittal,Nancy Gupta
Ritika Mittal
Metal nanoclusters (MNCs), with their atomically precise structures and unique optical, electronic, and catalytic properties, have emerged as a new frontier in materials chemistry for applications in sensing, imaging, catalysis, optoelectro...
A highly sensitive SERS sensor for malachite green detection based on spiky Fe3O4@Au supraparticles [0.03%]
一种高灵敏度的金基铁氧体刺毛状超颗粒SERS传感器用于绿色玉液孔雀绿检测
Hang Ye,Yanke Wang,Hufu Chen et al.
Hang Ye et al.
A novel label-free analytical strategy based on surface-enhanced Raman spectroscopy (SERS) has been developed for the detection of malachite green (MG) using spiky Fe3O4@Au supraparticles (Fe3O4@AuSPs). These supraparticles function dually ...
A Pt@MOF-derived branch-leaf nanoarray: a mechanically flexible and high-performance biosensor for non-enzymatic electrochemical glucose detection [0.03%]
一种机械灵活性好、灵敏度高的非酶葡萄糖电化学检测Pt衍生枝叶状纳米阵列传感器：以金属有机框架为前驱体合成Pt@MOF分支-叶片状纳米阵列及其用于非酶电化学生物传感性质研究
Chongyu Liu,Li Ren,Weihua Zhuang et al.
Chongyu Liu et al.
Developing mechanically flexible nanoarray electrodes with strong catalytic performance is necessary for non-enzymatic glucose biosensing. Herein, we present a self-supported Pt@MOF-derived branch-leaf nanoarray that functions as an efficie...
Hydrogen-bond enhanced Tb/Eu-MOF for visual detection of multiple trace fluoroquinolones in seawater and a portable 3D-printed sensor [0.03%]
氢键增强型Tb/Eu-MOF用于海水中美罗奎若酮类抗生素的多重可视化检测及便携式3D打印传感器
Zheng Chen,Shuaibo Song,Jiahao Lu et al.
Zheng Chen et al.
To address the urgent need for rapid and on-site detection of trace antibiotic contamination in marine environments, this study employs a hydrogen-bond network enhancement strategy to construct a highly salt-resistant dual-lanthanide MOF, T...
Unraveling the alteration of chemical compositions in Cordyceps and its host larvae using mass spectrometry imaging [0.03%]
基于质谱成像的虫草化学成分变化及其与宿主虫体内差异的研究
Shipeng Sun,Yuchen Zou,Weiwei Tang et al.
Shipeng Sun et al.
Cordyceps (Chinese caterpillar fungus) is a precious medicinal and edible fungus-larva complex that is naturally formed in a specific environment. However, limited data have been reported on spatial alterations in the lipidome and metabolom...
Highly sensitive identification of illegal cooking oil by surface-enhanced Raman spectroscopy combined with acyl nucleophilic substitution reaction to detect capsaicin [0.03%]
基于表面增强拉曼光谱结合酰基亲核取代反应检测辣椒素的非法食用油鉴别方法
Shengping Han,Guican Deng,Yonghua Bao et al.
Shengping Han et al.
Accurate discrimination of illegal cooking oil (ICO) remains a conundrum in the fields of analytical chemistry and food safety. Nevertheless, capsaicin can be regarded as a highly valuable exogenous signal molecule for the detection of ICO,...
Chemometric evaluation of the CUPRAC assay for propolis quality control: a decision-making framework for deciphering antioxidant paradoxes [0.03%]
化学计量学评估CUPRAC测定法在蜂胶质量控制中的应用：解析抗氧化矛盾的决策框架
Mehmet Beykaya,Aslı Elif Tanuğur Samancı,Taylan Samancı et al.
Mehmet Beykaya et al.
The antioxidant capacity of propolis is traditionally inferred from single compositional indicators such as total phenolic (TPC) or flavonoid content (TFC). However, these reductionist approaches often overlook complex inter-compound dynami...