Waste-derived chlorogenic-acid Ag nanozyme for nanomolar dopamine sensing in pharmaceutical formulations [0.03%]
一种基于废弃物来源的氯原酸-Ag纳米酶的纳摩尔多巴胺药物制剂检测方法
Anurag Phukan,Maga Nana Kaka,Moushumi Hazarika et al.
Anurag Phukan et al.
Biosynthesized nanozymes are attractive for low-cost dopamine (DA) sensing, yet most reported systems rely either on synthetic nanomaterials or poorly defined "green" extracts, which limits sustainability, reproducibility, and translational...
Development and validation of an LC-MS/MS/MS method for the sensitive quantification of trace β-agonists in complex animal-derived food matrices [0.03%]
一种测定复杂动物源性食品基质中痕量β激动剂的LC-MS/MS/MS方法的研究及验证
Chujun Liu,Jiankang Ren,Qian Ran et al.
Chujun Liu et al.
Conventional multiple reaction monitoring (MRM) quantification of β-agonists in complex matrices was hindered by insufficient sensitivity due to co-extracted matrix interferents. To address this drawback, we developed a highly selective an...
Syringe pressure-assisted switchable hydrophilicity solvent microextraction with smartphone digital image colorimetry: a rapid method for trace cobalt determination [0.03%]
基于智能手机数字图像比色法的注射器压力驱动可切换亲水性溶剂微萃取痕量钴的快速检测方法
Yingying Zhao,Yi Shi,Jiayi Hu et al.
Yingying Zhao et al.
Heavy metal pollution poses a major threat to the global environment and public health. Current methods for detecting heavy metals require expensive instruments and laborious operations, calling for simple and rapid detection methods. In th...
Zhipeng Cai,Liuping Zhang,Jiaxun Li et al.
Zhipeng Cai et al.
Arsenic, a potent carcinogen, easily accumulates in vegetable oils via contaminated raw materials and processing procedures, posing severe dietary health risks to humans. Current detection methods either rely on expensive instrumentation wi...
Chemical derivatization of citrullinated peptides using methylglyoxal and sodium 3-mercaptopropanesulfonate (MG/MPS) [0.03%]
甲基乙糖醛与钠3-Mercaptopropane硫酸盐（MG / MPS）修饰瓜氨酸肽化学法
Yunxia Wang,Juanjuan Zhao,Shan Zhang et al.
Yunxia Wang et al.
Protein citrullination, a crucial post-translational modification, is challenging to detect due to its small mass shift and low abundance. Existing methods, including antibody-based assays and conventional chemical derivatization, often suf...
Nanomaterial-enhanced molecular recognition: a Co3O4/TiO2 heterojunction electrochemical sensor for vanillin with experimental and DFT insights [0.03%]
纳米增强分子识别：用于香草醛的Co3O4/TiO2异质结电化学传感器的实验和DFT研究
Favour Ezinne Ogulewe,Akeem Adeyemi Oladipo,Mustafa Gazi
Favour Ezinne Ogulewe
An advanced molecularly imprinted electrochemical sensor based on a Co3O4/TiO2 p-n heterojunction nanocomposite was developed for the selective determination of vanillin in complex food matrices. In this novel sensing platform, the heterost...
Pheromone measurement using secondary electrospray ionization and portable membrane inlet mass spectrometry [0.03%]
利用二次电喷雾离子化和便携式膜进样气质联仪测量信息素
Stamatios Giannoukos,Dimitris Raptopoulos,Maria Konstantopoulou
Stamatios Giannoukos
A secondary electrospray ionization high-resolution mass spectrometry (SESI-HRMS) system and a portable membrane inlet mass spectrometer (MIMS) have been used for the first time to detect and monitor insect sex pheromones, both qualitativel...
PolyA-tail-mediated assembly of a gold nanoparticle-based turn-on fluorescent aptasensor for ultrasensitive detection of perfluorooctanoic acid [0.03%]
基于poly(A)-尾介导组装的金纳米粒子(turn-on型荧光适配体传感器的构建及其超灵敏检测全氟辛酸盐性能研究
Zhuo-Ying Li,Li-Xia Yan,Xu Zhao et al.
Zhuo-Ying Li et al.
A turn-on fluorescent aptasensor for PFOA is developed using a polyA-tailed aptamer anchored on gold nanoparticles and a fluorescently labeled cDNA. The displacement of cDNA by PFOA restores fluorescence, enabling ultrasensitive detection w...
A molecular-imprinted SERS sensor based on a silver substrate for the selective capture and sensitive detection of crystal violet in textile wastewater [0.03%]
一种基于银基底的分子印迹SERS传感器的选择性捕获和灵敏检测纺织废水中结晶紫的方法
Xiaohui Ren,Kailai Zhang,Jiaying Dou et al.
Xiaohui Ren et al.
Banned or unsafe additives pose a significant threat to human health. Ag-based molecularly imprinted polymers (Ag@MIPs), as a surface-enhanced Raman scattering (SERS) substrate, were proposed as a quick, convenient, and label-free method fo...
Quantification of multi-volatile compounds in cooked rice by using headspace solid-phase microextraction coupled to gas chromatography-mass spectrometry [0.03%]
采用顶空固相微萃取-气相色谱-质谱联用技术定量测定煮熟的大米中多种挥发性化合物
Xianqiao Hu,Shuimei Li,Lin Lu et al.
Xianqiao Hu et al.
The quantification of multi-volatile compounds, which is crucial for aromatic quality analysis, is a challenge due to the complexity of the rice matrix and the presence of huge number of volatiles. In this paper, a method was established fo...