Evaluation of distribution of emerging mycotoxins in human tissues: applications of dispersive liquid-liquid microextraction and liquid chromatography-mass spectrometry [0.03%]
新兴霉菌毒素在人体组织中分布的评估：分散液-液微萃取及液相色谱-质谱联用技术的应用
Ana Castell,Natalia Arroyo-Manzanares,Rosa Palma-Manrique et al.
Ana Castell et al.
In this work, a complete study of the distribution of emerging mycotoxins in the human body has been carried out. Specifically, the presence of enniatins (A, A1, B, B1) and beauvericin has been monitored in brain, lung, kidney, fat, liver, ...
A novel 2-(2-aminophenyl) imidazo [1,5-a] pyridine-based fluorescent probe for rapid detection of phosgene [0.03%]
一种基于2-(2-氨基苯基)咪唑并[1,5-a]吡啶的荧光探针快速检测光气
Xiaojian Kong,Jie Zhao,Lei Yang et al.
Xiaojian Kong et al.
Phosgene is a highly concealed and highly toxic gas that seriously threatens human health and public security. Therefore, the detection of phosgene is of great significance to world security. Herein, a new type of fluorescent probe based on...
Paving the way for new and challenging matrix reference materials-particle suspensions at the core of material processing providing RMs for method development and method validation [0.03%]
展望新型和具有挑战性的矩阵参考材料-粒子悬浮液在材料加工核心提供RM以开发和验证方法
Håkan Emteborg,John Seghers,Silvia García-Ruiz et al.
Håkan Emteborg et al.
Sufficient homogeneity of the certified parameter(s) over the whole fill series of a matrix reference material (RM) is a fundamental quality criterion. In practice, the heterogeneity of the target parameter is evaluated, whereby a relative ...
Determination of selenium-containing species, including nanoparticles, in selenium-enriched Lingzhi mushrooms [0.03%]
富硒灵芝中硒物种（包括纳米粒子）的测定
Kelly L LeBlanc,Tantima Kumlung,Andrés Suárez Priede et al.
Kelly L LeBlanc et al.
Mushrooms are considered a valuable food source due to their high protein and fibre and low fat content, among the other health benefits of their consumption. Selenium is an essential nutrient and is renowned for its chemo-preventative prop...
A novel analytical approach for the determination of ethylene-thiourea and propylene-thiourea in vegetal foodstuffs by high-performance liquid chromatography hyphenated to inductively coupled plasma-tandem mass spectrometry [0.03%]
一种新的分析方法，用于蔬菜食品中乙硫尿和丙硫尿的测定：高效液相色谱与电感耦合等离子体质谱联用法
Ibtihel Bendhiab,Alin C Dirtu,Nathalie Marchond et al.
Ibtihel Bendhiab et al.
This study reports a novel analytical approach for the simultaneous determination of ethylene-thiourea (ETU) and propylene-thiourea (PTU) in fruits and vegetables by (reverse phase) high-performance liquid chromatography (HPLC) coupled to i...
The Good pH probe: non-invasive pH in-line monitoring using Good buffers and Raman spectroscopy [0.03%]
基于Good缓冲剂和拉曼光谱技术的非侵入式在线pH检测方法
David Heinrich Müller,Marieke Börger,Julia Thien et al.
David Heinrich Müller et al.
In bioprocesses, the pH value is a critical process parameter that requires monitoring and control. For pH monitoring, potentiometric methods such as pH electrodes are state of the art. However, they are invasive and show measurement value ...
A near-infrared fluorescent probe with viscosity sensitivity in lysosome for cancer visualization [0.03%]
一种用于癌症可视化在溶酶体中具有粘度敏感性的近红外荧光探针
Yong Wang,Lixian Fu,Yiyun Tan et al.
Yong Wang et al.
A viscosity-sensitive, lysosome-targeted near-infrared fluorescent probe (PYATT) was reported in this paper. The fluorescent spectra of PYATT are strongly dependent on viscosity, resulting in a Stokes shift of about 190 nm. Given its photos...
Current trends and challenges in the analysis of marine environmental contaminants by isotope ratio mass spectrometry [0.03%]
同位素比质谱分析海洋环境污染物的现状、挑战及前景研究
Olga V Kuznetsova
Olga V Kuznetsova
An increasing number of organic and inorganic pollutants are being detected in the marine environment, posing a severe threat to the ecosystem and human health, even in trace concentrations. Isotope ratio mass spectrometry (IRMS) is one of ...
Isotopic measurements of carbon dioxide: the role of measurement science and standards [0.03%]
二氧化碳的同位素测定：计量科学与标准的作用
Juris Meija
Juris Meija
Isotopic measurements provide valuable information about the origin of greenhouse gases - as carbon dioxide levels increase, there is a corresponding shift towards lighter isotopic composition similar to that of fossil fuels. Detecting such...
Automated micro-solid-phase extraction clean-up and gas chromatography-tandem mass spectrometry analysis of pesticides in foods extracted with ethyl acetate [0.03%]
乙酸乙酯提取食品中农药的自动化微固相萃取净化和气相色谱-质谱/质谱分析方法
Andreas Schürmann,Claudio Crüzer,Veronika Duss et al.
Andreas Schürmann et al.
Generic extraction methods for the multi-compound pesticide analysis of food have found their solid place in laboratories. Ethyl acetate and acetonitrile extraction methods have been developed as fast and easy to handle standard multi-compo...