A novel restricted access-anion exchange organic monolithic phase for determining homocysteine and homocysteic acid in cerebrospinal fluid samples obtained from Alzheimer's disease patients by in-tube SPME-LC-MS/MS [0.03%]
一种新型受限访问阳离子交换有机整体柱相通过管内SPME-LC-MS/MS法测定阿尔茨海默病患者脑脊液中半胱氨酸和同型多巴酸的方法
Igor Gustavo Carvalho Oliveira,Israel Donizeti de Souza,Caroline Fernandes Grecco et al.
Igor Gustavo Carvalho Oliveira et al.
Background: High circulating concentrations of homocysteine (Hcy), a sulfur-containing amino acid, and homocysteic acid (HCA), an Hcy oxidized derivative, are an independent risk factor for developing Alzheimer's disease ...
Colorimetric measurement of copper(II) in sand using direct electrokinetic extraction into a polymer inclusion membrane [0.03%]
基于聚合物包合膜的直接电渗法测定沙子中的铜离子
Jia Jia Seet,Eddie A Nagul,Spas D Kolev et al.
Jia Jia Seet et al.
Background: Soil pollution by heavy metals from extensive exploration and processing has increased the demand for their analysis in soil. Traditional analysis is mostly laboratory-based due to the requirement for sample p...
Flash: Dual-gradient filtering membranes enable ultra-fast plasma separation [0.03%]
闪聚焦：双梯度过滤膜实现超快速血浆分离
Xianchang Wu,Hui Niu,Tonghuan Zhan et al.
Xianchang Wu et al.
Background: Whole blood sample consists of red and white blood cells, platelets, nucleic acids, proteins, and other metabolites. However, the presence of blood cells will affect the monitoring of biomarker in plasma. To o...
Dual-mode biosensor for monoamine oxidase B activity detection based on electrochemistry and surface-enhanced Raman scattering [0.03%]
基于电化学和表面增强拉曼散射的单胺氧化酶B活性检测双模生物传感器
Zhenxing Jiang,Chenchen Wang,Xiaolei Song et al.
Zhenxing Jiang et al.
Background: Alzheimer's disease (AD) is a neurodegenerative disease that threatens the physical health of elderly people. As a potential biomarker for AD, the assessment of monoamine oxidase B (MAO-B) activity is essentia...
Triazole-amine metal-organic framework chiral stationary phases: A novel chiral separation approach for amino acids in capillary electrochromatography [0.03%]
咪唑胺金属有机骨架手性固定相：毛细管电色谱法拆分氨基酸的新方法
Li Ge,Gege Zhu,Xinyu Li et al.
Li Ge et al.
Background: Efficient enantiomer separation is crucial in drug analysis and biomedical research. The strategy of combining capillary electrochromatography (CEC) with metal-organic frameworks (MOFs) has attracted much atte...
Molecularly imprinted multifunctional polymer-modified single-atom-homojunctions for sensitive photoelectrochemical Escherichia coli O157:H7 sensing [0.03%]
分子印迹多功能聚合物修饰单原子同质结的光介导电学检测致病大肠杆菌O157:H7传感器研究
Hong Zhou,Xufeng Zang,Bo Cui et al.
Hong Zhou et al.
Background: Foodborne illnesses induced by foodborne pathogenic bacteria pose a tremendous risk to human health and result in massive economic losses. Therefore, the development of rapid detection methods for foodborne pa...
Hierarchical meso-macroporous iron-nitrogen-coordinated carbon nanozyme: Preparation, catalytic mechanism, and used as colorimetric sensor array for on-site discrimination and detection of multiple sulfides [0.03%]
分层介观-宏观多孔铁氮配位碳纳米酶：制备、催化机制及用于多种硫化物现场鉴别与检测的比色传感器阵列
Yaru Dong,Taimei Cai,Wenting Zhu et al.
Yaru Dong et al.
Background: As commonplace food preservatives or flavor regulators, excessive intake of sulfides can bring adverse effects to harm health. Nanozyme-based sensor array enables rapid and on-time detection and discrimination...
Premium ultra-trace analytical method for part per quadrillion (ppq) PFAS quantification in drinking water [0.03%]
饮用水中超痕量全分析PFAS（以万亿分之一(ppq)计）定量的优选方法
Wejdan Alghamdi,Jordan M Partington,Ivanhoe K H Leung et al.
Wejdan Alghamdi et al.
Background: Recent improvements in analytical methods have made it possible to detect very low levels of contaminants in drinking water, allowing for more accurate tracking of per-and polyfluoroalkyl substances (PFAS). Th...
Dual-strain detection of norovirus GI.1 and GII.4 in food samples using epitope-imprinted polymers [0.03%]
基于表位印迹聚合物的双株诺如病毒GI.1和GII.4检测探针传感器在食品样品中的应用研究
Amy Dann,Pankaj Singla,Jake McClements et al.
Amy Dann et al.
Background: Norovirus is the leading cause of viral gastroenteritis worldwide, contributing to widespread disease and financial burdens. However, current testing methods are unsuitable for on-site analysis, as they typica...
A fluorescent fiber pH sensor for sensitive, wide-range detection using orange-emitting silicon quantum dots [0.03%]
基于发出橙色荧光的硅量子点的光纤pH传感检测技术
Dan Li,Xiaolong Li,Zijia Huang et al.
Dan Li et al.
pH value plays a vital role in biochemical analysis. To achieve online analysis, a new type of fluorescent fiber sensor has been developed for real-time, wide-range pH monitoring in biological and environmental fluids. The fluorescent fiber...