Stereoscopic imaging of volatile organic compounds distribution in the region and tracing emission sources of volatile organic compounds using a novel movable single-photon ionization time-of-flight mass spectrometer [0.03%]
基于移动式单光子电离飞行时间质谱的挥发性有机物区域成像及立体溯源研究
Chunguang Xie,Jiyang Zhang,Hui Zhu et al.
Chunguang Xie et al.
This paper presents a newly developed high-performance mobile single-photon ionization time-of-flight mass spectrometry (M-SPI-TOFMS) system for on-line analysis and stereoscopic monitoring of complex gas mixtures. The system is designed fo...
Mass spectrometry-based pseudotargeted metabolomics reveals metabolic variations in a2-induced gastric cancer cell [0.03%]
基于质量spectral的伪目标代谢组学揭示了A2诱导的胃癌细胞中的代谢差异
Juan Li,Ying Liu,Piao Zhou et al.
Juan Li et al.
Gastric cancer (GC) is one of the most malignant tumors with high morbidity and mortality in the world. Compound a2, a Jiyuan oridonin derivative, exhibited excellent anti-proliferative activity against GC cells. To investigate the gastric ...
Liquid chromatography-electrospray ionization-mass spectrometry/mass spectrometry characterization of depsides and depsidones from the Chilean lichen Parmotrema perlatum [0.03%]
智利地衣Parmotrema perlatum中depside和depsidone的特征研究液相色谱-电喷雾串联质谱法
Grover Castañeta,Beatriz Sepulveda,Carlos Areche
Grover Castañeta
Lichens are recognized by their unique compounds and diverse applications in food, medicines, and cosmetics. Using ultra-high pressure liquid chromatography, coupled with a high-resolution mass spectrometer, metabolomic profiling of the lic...
Robust and versatile assembly for emitter positioning, observation, and heating in atmospheric pressure field desorption mass spectrometry [0.03%]
大气压场解吸质谱中用于发射器定位、观察和加热的稳健且通用的装配结构
Jan Schweinfurth,H Bernhard Linden,Jürgen H Gross
Jan Schweinfurth
Atmospheric pressure field desorption (APFD) mass spectrometry (MS) has recently been introduced as a new variant of field desorption (FD) mass spectrometry. The development aimed at providing the basic characteristics of FD-MS in combinati...
Teaching mass spectrometry: A compilation of approaches to teaching theory and practice of mass spectrometry [0.03%]
质谱教学：教学质谱理论和实践的方法综述
Rafał Frański
Rafał Frański
The areas of mass spectrometry applications seem to be much larger than those of any other analytical techniques. They extend from the determination of molecular mass in organic chemistry, through the analytical applications in forensic, en...
Quantification of derivatized phenylalanine and tyrosine in dried blood spots using liquid chromatography with tandem spectrometry for newborn screening of phenylketonuria [0.03%]
使用液相色谱串联质谱法定量干燥血斑中的衍生物苯丙氨酸和酪氨酸，用于新生儿苯丙酮尿症筛查
Tsai-Hui Duh,Yu-Ching Liang,Po Tsun Shen et al.
Tsai-Hui Duh et al.
Phenylketonuria (PKU) is an autosomal genetic disorder caused by a deficiency of the phenylalanine hydroxylase (PAH) enzyme. The lack of PAH results in the inability of phenylalanine (PHE) to transform into tyrosine (TYR). Consequently, thi...
Structure analysis of depsides, dibenzofuran and sugar derivatives from Cladia aggregata (SW) Nyl using ultra-performance liquid chromatography-tandem mass spectrometry [0.03%]
乌桑衣属地衣Cladia aggregata (SW) Nyl中 depside，二苯并呋喃和糖衍生物的结构分析——基UPLC-MS/MS技术
Priyanka Rawat,Sajan Lal Shyaula,Yatendra Singh et al.
Priyanka Rawat et al.
Cladia aggregate (SW) Nyl is a lichenized fungi in the family Cladoniaceae producing characteristic secondary metabolites of interest. There are only limited chemical studies relating to the genus Cladia. A chemical study of the lichen C. a...
Evaluation of SP3 for antibody-free quantification of tau in CSF mimic and brain by mass spectrometry [0.03%]
使用质谱法通过SP3评估脑脊液模拟物和大脑中无抗体定量tau蛋白的方法
Chloé Jacquemin,Nicolas Villain,Rita Azevedo et al.
Chloé Jacquemin et al.
Tubulin-associated unit (tau) has an important role in the pathogenesis and the diagnosis of Alzheimer's disease (AD) and other tauopathies. In view of the diversity of tau proteoforms, antibody-free methods represent a good approach for un...
Simultaneous quantification of tiotropium bromide impurities G + H in capsule formulation by LC-MS/MS [0.03%]
高效液相色谱-质谱联用测定噻托溴铵杂质G+H的含量
Serdar Erkol,Müge Güleli,Cem Çalışkan et al.
Serdar Erkol et al.
Tiotropium Bromide is a long-acting bronchodilator that is used in the treatment of chronic obstructive pulmonary disease (COPD) and asthma bronchodilator or bronchiolitis, which are substances that expand the bronchi and reduce resistance ...