Unambiguous metabolite identification in high-throughput metabolomics by hybrid 1D 1 H NMR/ESI MS1 approach [0.03%]
基于高通量代谢组学的杂交一维氢谱/NESI低分辨率精确质量数质谱的一代谢产物鉴定方法
Lawrence R Walker,David W Hoyt,S Michael Walker nd et al.
Lawrence R Walker et al.
State of the art and perspectives in the application of quantum chemical prediction of 1 H and 13 C chemical shifts and scalar couplings for structural elucidation of organic compounds [0.03%]
量子化学在核磁共振化学位移和耦合常数计算及有机分子结构解析中的现状与展望
Armando Navarro-Vázquez
Armando Navarro-Vázquez
Quantum mechanical prediction of chemical shifts and scalar couplings involving 1 H and 13 C nuclei is now a popular tool in structural elucidation of organic compounds. Here, we summarize the current state of the art and present to the rea...
NMR studies on 4-thio-5-furan-modified and 4-thio-5-thiophene-modified nucleosides [0.03%]
有关4-硫-5-呋喃和4-硫-5-噻吩修饰核苷的NMR研究
Xiao-Hui Zhang,Yao-Zhong Xu
Xiao-Hui Zhang
Systematic NMR characterization of 4-thio-5-furan-pyrimidine nucleosides or 4-thio-5-thiophene-pyrimidine nucleosides (ribonucleosides and 2'-deoxynucleosides) was performed. All proton and carbon signals of 4-thio-5-thiophene-ribouridine a...
19 F NMR transverse and longitudinal relaxation filter experiments for screening: a theoretical and experimental analysis [0.03%]
关于筛查的横向和纵向弛豫过滤实验的理论和实验分析
Claudio Dalvit,Martial Piotto
Claudio Dalvit
Ligand-based 19 F NMR screening represents an efficient approach for performing binding assays. The high sensitivity of the methodology to receptor binding allows the detection of weak affinity ligands. The observable NMR parameters that ar...
1 H and 13 C NMR spectral assignments of a new cyclic peptide from Glycosmis lucida Wall. Ex Huang [0.03%]
壁虎石南草中环肽的~1H和~13C核磁共振波谱归属研究
Zhu-Feng Geng,Kai Yang,Shan-Shan Guo et al.
Zhu-Feng Geng et al.
Structure elucidation of a new cycloartane triterpene glycoside from Souliea vaginata by NMR [0.03%]
通过核磁共振解析索里埃亚属植物中一种新的环阿屯烷型五环三萜糖苷结构
Hai-Feng Wu,Yin-Di Zhu,Zhong-Hao Sun et al.
Hai-Feng Wu et al.
Determination of nicotine, glycerol, propylene glycol and water in electronic cigarette fluids using quantitative 1 H NMR [0.03%]
采用定量氢-1核磁共振法测定电子烟液体中的尼古丁、甘油、丙二醇和水的含量
Michael D Crenshaw,Margaret E Tefft,Stephanie S Buehler et al.
Michael D Crenshaw et al.
The variability of the electronic cigarette liquids (e-liquid) composition has the potential to influence not only the amount of nicotine delivered to the user, but also the type and amount of generated byproducts and subsequent health risk...
Perspectives on hyperpolarised solution-state magnetic resonance in chemistry [0.03%]
化学中高极化溶液状态磁共振的展望
Jean-Nicolas Dumez
Jean-Nicolas Dumez
This perspective article reviews some of the recent developments in the field of hyperpolarisation, with a focus on solution-state NMR spectroscopy of small molecules. Two techniques are considered in more detail, dissolution dynamic nuclea...
Determining mean fractional anisotropy using DDCOSY: preliminary results in biological tissues [0.03%]
利用DDCOSY测定平均分数各向异性：在生物组织中的初步结果
Fangrong Zong,Lindsay R Ancelet,Ian F Hermans et al.
Fangrong Zong et al.
Complex materials are ubiquitous in science, engineering and nature. One important parameter for characterising their morphology is the degree of anisotropy. Magnetic resonance imaging offers non-invasive methods for quantitative measuremen...
13 C and 15 N NMR spectra of high-energy polyazidocyanopyridines [0.03%]
高能多叠氮氰基吡啶的~(13)C和~(15)N核磁共振波谱研究
Sergei V Chapyshev,Alexander V Chernyak,Evgeny N Ushakov
Sergei V Chapyshev
13 C and 15 N NMR spectra of high-energy 2,4,6-triazidopyridine-3,5-dicarbonitrile, 2,3,5,6-tetraazidopyridine-4-carbonitrile and 3,4,5,6-tetraazidopyridine-2-carbonitrile are reported. The assignment of signals in the spectra was performed...