Dissociation Chemistry of Protonated α-, β- and Other Amino Acids Using Multiple Stage Tandem Mass Spectrometry [0.03%]
采用多级串联质谱法研究氨基酸的质子化α-/β-及其他形式的解离化学性质
Daiki Asakawa
Daiki Asakawa
To discriminate amino acid isomers by multiple stage tandem mass spectrometry (MSn), the fragmentation of protonated amino acids were investigated by MSn with collision-induced dissociation (CID) and density functional theory calculations. ...
Phytochemical Profiling by HPLC-ESI-MS/MS and In Vitro Investigation of the Antidiabetic Activity of Cassia bakeriana Bark Extract and Fractions [0.03%]
基于HPLC-DAD-ESI-MS(n)的化感成分快速筛查及白花菜子提取物抗炎活性研究
Diego G Prado,Allisson B Justino,Tiara da C Silva et al.
Diego G Prado et al.
Type 2 diabetes mellitus is a global health problem, placing patients at a higher risk of developing cardiovascular diseases and cancer. This study investigates the antidiabetic potential of Cassia bakeriana bark extracts and fractions. We ...
Kazumi Saikusa
Kazumi Saikusa
Protein structure, including various post-translational modifications and higher-order structures, regulates diverse biological functions. Native mass spectrometry (native MS) is a powerful analytical technique used to determine the masses ...
Strategies for Top-Down Hydrogen Deuterium Exchange-Mass Spectrometry: A Mini Review and Perspective [0.03%]
顶部向下氢/氘交换质谱策略：简评与展望
Joel B Langford,Elizabeth Ahmed,Mulin Fang et al.
Joel B Langford et al.
Hydrogen deuterium-exchange mass spectrometry (HDX-MS) is commonly used in the study of protein dynamics and protein interactions. By measuring the isotopic exchange of backbone amide hydrogens in solution, HDX-MS offers valuable structural...
Dimei Hu,Lulu Yu,Zijian Wei et al.
Dimei Hu et al.
A novel inorganic nonmetallic material boron carbide (B4C) was applied in paper spray ionization to analyze organic molecules in both negative and positive modes. The utilization of B4C has led to a notable enhancement in signal responses f...
Where You Protonate Matters: Deciphering the Unimolecular Chemistry of Protonated Myrcene and Linalool [0.03%]
质子加成的位置至关重要： MYRCENE和LINALOOL分子内化学的揭秘
Edgar White Buenger,Paul M Mayer
Edgar White Buenger
The unimolecular reactions of protonated myrcene and linalool were investigated by collision-induced dissociation and density functional theory calculations. Experiments on a triple quadrupole mass spectrometer showed that protonated myrcen...
Pharmacokinetic Analysis of Gatifloxacin and Dexamethasone in Rabbit Ocular Biofluid Using a Sensitive and Selective LC-MS/MS Method [0.03%]
一种敏感和选择性的LC-MS/MS方法用于分析家兔眼用液体制剂中加替沙星和地塞米松的药动学研究
Arpon Biswas,Abhijit Deb Choudhury,Anjali Mishra et al.
Arpon Biswas et al.
Bacterial keratitis (BK) is an infection that causes inflammation of the cornea and, if severe, can result in blindness. Topical fluoroquinolones combined with corticosteroids have been shown to be useful in the treatment of BK. A rapid, se...
EDTA-Assisted MPT-MS for Trace Analysis of Heavy Metals in Fireworks [0.03%]
基于 EDTA 拉链效应的 MPT-MS 法检测烟花爆竹中的重金属元素痕迹分析研究
Gaosheng Zhao,Yuliang Huang,Maolin Yang et al.
Gaosheng Zhao et al.
A novel method was developed for the rapid detection of heavy metals in firework solutions with high sensitivity and minimal pretreatment by enriching them with ethylenediaminetetraacetic acid (EDTA) reagent and analyzing them using microwa...
Investigating Anion Effects on Metal Ion Binding Interactions With Amyloid β Peptide by Ion Mobility Mass Spectrometry [0.03%]
利用离子淌度质谱研究阴离子对金属离子与β淀粉样肽结合相互作用的影响
Jingwei Zhang,Ashley Phetsanthad,Lingjun Li
Jingwei Zhang
The study of metal ion's role in the biological processes of Alzheimer's disease has spurred investigations into the coordination chemistry of amyloid beta peptide and its fragments. Nano-electrospray ionization mass spectrometry (nESI-MS) ...
An Expedited Qualitative Profiling of Free Amino Acids in Plant Tissues Using Liquid Chromatography-Mass Spectrometry (LC-MS) in Conjunction With MS-DIAL [0.03%]
一种利用液相色谱-质谱联用技术（LC-MS）结合MS-DIAL快速定性植物组织中游离氨基酸的方法
Anish Kaachra,Anish Tamang,Vipin Hallan
Anish Kaachra
The estimation of relative levels of amino acids is crucial for understanding various biological processes in plants, including photosynthesis, stress tolerance, and the uptake and translocation of nutrients. A wide range of liquid chromato...