5:解析H-HCOSY谱,从一维谱中已经确定的氢谱线出发找到与之相关的其它谱线。 6:解析13C-1HCOSY(或HMQC、HSQC)谱,同样从已知的氢谱线出发我到各相关的碳谱线,以此推断出这些碳谱线的归属。 7:解析13C-1H远程相关谱(COLOC或HMBC),从已确定的碳谱线出发,找到与之相关的各氢谱线或从已知的氢谱线出发找到各相...
HSQC(heteronuclearsinglequantumcoherence) 13 C- 1 Hcorrelation spectraofwholebiomass:Apowerfultoolforevaluatingpretreatment ReichelSamuel*,MarcusFoston,NanJiang,ArthurRagauskas SchoolofChemistryandBiochemistry,GeorgiaInstituteofTechnology,GA;*Presenter(reichel.samuel@ipst.gatech.edu) ...
利用核磁共振对其进行研究乏善可陈.造成这一现象的主要原因可能在于芳香环体积较大,往往存在慢的翻转运动,导致其NMR信号被展宽.作者利用CPMG-INEPT HSQC序列可以有效地减小慢运动影响的特征,将其应用到了GB1蛋白质芳香环的1H-13CHSQC谱中,有效的增强了芳香基团HSQC谱信号的灵敏度,得到了部分在常规HSQC中无法观测的...
9.06.2.2 HSQC and HMQC (1H,13C)-HSQC or HMQC serves to identify proton-bearing carbons and to associate these carbons with their attached protons. HSQC spectra feature generally better line shapes than HMQC and the commonly used multiplicity-edited HSQC versions offer the added benefit of disting...
HSQC (heteronuclear single quantum coherence) 13C–1H correlation spectra of whole biomass in perdeuterated pyridinium chloride–DMSO system: An effective ... Foston, N. Jaing et al., "HSQC (heteronuclear single quantum coherence)13C-1H correlation spectra of whole biomass in perdeuterated ...
百度试题 题目1H检测异核化学位移相关谱HSQC主要用于A.归属与1H核直接相联的13C核B.归属与1H核间接相联的13C核C.提供通过空间作用的核相关信息D.提供相邻藕合氢之间的相关信息 相关知识点: 试题来源: 解析 A 反馈 收藏
2D 1H–15N or 1H–13C NMR spectra, such as HSQC, provide adequate resolution within a reasonable time for data collection. Therefore, they have been commonly used to identify drug-binding sites, including for anesthetics (Bondarenko et al., 2013, 2014, 2008; Mowrey, Liu, et al., 2013)....
通常二维谱F1维分辨率较差,F2维分辨率较好.即HSQC实验 13C维度分辨率较差,1 H维度分辨率较好.而1H,13C-COSY实验13C维度分辨率较好,1H维度分辨率较差.提出一种通过HSQC和1H,13C-COSY叠合,取较弱 的值储存并显示的方法增强分辨率,采用Bruker Topspin软件AU程序实现.该方法在不明显增加采样时间的情况下,可显著增强分辨...
预约1000次 平均0.00天完成 100.00%对实验结果满意 关注 实验室: 杭州柘大飞秒检测技术有限公司 参考价格: 面议 品牌: bruker400 型号: bruker400 立即预约 设备详情 客户评价 (0) 开放和收费情况 请填写详细介绍,可以填写仪器的技术指标、功能特色等等信息 ...
1H,13C的异核二维相关谱由13C检测(HETCOR)变为1H检测(HSQC),优点是干扰的杂峰少,但检测的灵敏度低。()A.正确B.错误的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学