Peptide Peak Detection for Low Resolution MALDI-TOF Mass Spectrometry [0.03%]
低分辨率MALDI-TOF质谱的肽质量指纹图谱的信号自动检测方法研究
Jingwen Yao,Shin-Ichi Utsunomiya,Shigeki Kajihara et al.
Jingwen Yao et al.
A new peak detection method has been developed for rapid selection of peptide and its fragment ion peaks for protein identification using tandem mass spectrometry. The algorithm applies classification of peak intensities present in the defi...
Sensitive Detection of Aromatic Hydrophobic Compounds in Water and Perfluorooctane Sulfonate in Human Serum by Surface-Assisted Laser Desorption/Ionization Mass Spectrometry (SALDI-MS) with Amine Functionalized Graphene-Coated Cobalt Nanoparticles [0.03%]
带有氨基功能化石墨烯包被的钴纳米粒子表面辅助激光解吸/电离质谱（SALDI-MS）在水和人血清中对芳香疏水化合物及全氟辛烷磺酸的灵敏检测
Keisuke Nakai,Hideya Kawasaki,Atsushi Yamamoto et al.
Keisuke Nakai et al.
In this article, we describe the application of surface-assisted laser desorption/ionization mass spectrometry (SALDI-MS) with the use of amine functionalized graphene-coated cobalt nanoparticles (CoC-NH2 nanoparticles) to analyse aromatic ...
Formation of Benzyl Carbanion in Collision-Induced Dissociation of Deprotonated Phenylalanine Homologues [0.03%]
苯丙氨酸同系物去质子化的碰撞诱导解离中苄基碳正离子的生成
Kanako Sekimoto,Natsuki Matsuda,Mitsuo Takayama
Kanako Sekimoto
The fragmentation behavior of deprotonated L-phenylalanine (Phe) and its homologues including L-homophenylalanine (HPA) and L-phenylglycine (PG) was investigated using collision-induced dissociation mass spectrometry coupled with a negative...
Message from the Editor-in-Chief [0.03%]
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Yoshinao Wada
Yoshinao Wada
Takaaki Nishioka
Takaaki Nishioka
Determination of niacin and its metabolites using supercritical fluid chromatography coupled to tandem mass spectrometry [0.03%]
使用超临界流体色谱-串联质谱法测定烟酸及其代谢产物
Kaori Taguchi,Eiichiro Fukusaki,Takeshi Bamba
Kaori Taguchi
Niacin, a water-soluble vitamin belonging to the vitamin B group, has been known to cause various problems in the human body when deficient. The vitamin is derived from the diet and afterwards, niacin and its metabolites are secreted in blo...
Laser Desorption/Ionization Mass Spectrometry (LDI-MS) of Lipids with Iron Oxide Nanoparticle-Coated Targets [0.03%]
铁氧化物纳米粒子靶上脂质的激光解吸/电离质谱(LDI-MS)分析
Maiko Kusano,Shin-Ichirou Kawabata,Yusuke Tamura et al.
Maiko Kusano et al.
Iron oxide nanoparticle (NP)-coated target plates were employed for the direct detection and analysis of low molecular weight lipids by laser desorption/ionization (LDI) mass spectrometry (MS). We have demonstrated that the use of the iron ...
Differential (14)N/(15)N-Labeling of Peptides Using N-Terminal Charge Derivatization with a High-Proton Affinity for Straightforward de novo Peptide Sequencing [0.03%]
基于氮端电荷衍生化高亲和质子化的(14)N/(15)N不同位标记肽用于简单的从头肽测序
Yoichiro Nihashi,Masahiro Miyashita,Hiroyuki Awane et al.
Yoichiro Nihashi et al.
While de novo peptide sequencing is essential in many situations, it remains a difficult task. This is because peptide fragmentation results in complicated and often incomplete product ion spectra. In a previous study, we demonstrated that ...
Peptide Profiling Using Matrix-Assisted Laser Desorption/Ionization-Time-of-Flight Mass Spectrometry for Identification of Animal Fibers [0.03%]
采用基质辅助激光解吸/电离飞行时间质量测定法进行肽图分析鉴别动物纤维品种
Yukari Izuchi,Mutsumi Tokuhara,Tsuneo Takashima et al.
Yukari Izuchi et al.
Identification of fibers for verification of their specific animal origin is necessary for maintaining quality and value in the clothing industry. In order to examine adulteration in animal fibers, there is a commercially accepted method of...