William T P Darling,Sven G Hyberts,Mate Erdelyi
William T P Darling
Non-uniform sampling (NUS) enables faster acquisition of NMR spectra. Concerns about spectral fidelity, particularly in high-dynamic-range experiments like NOESY, have limited its quantitative applications. In this study, we assessed whethe...
Aqueous Carbonation of Calcium Silicates With Different Ca/Si Ratios Studied by Solid-State NMR Spectroscopy [0.03%]
固态核磁共振光谱研究不同Ca/Si比的硅酸钙的水化碳化反应
Rune Wittendorff Mønster Jensen,Jørgen Skibsted
Rune Wittendorff Mønster Jensen
Calcium silicates react readily with CO2 under aqueous conditions, forming CaCO3 and silica gel. This is utilized to produce new cement binders and to sequester CO2, thereby contributing to a lowering of the CO2 footprint for the cement ind...
NMR as a Discovery Tool: Exploration of Industrial Effluents Discharged Into the Environment [0.03%]
核磁共振在废水污染检测中的应用研究
Kiera Ronda,Jeremy Gauthier,Khanisha Singaravadivel et al.
Kiera Ronda et al.
NMR provides unprecedented molecular information, urgently needed by environmental researchers and policy makers. However, NMR is underutilized in environmental sciences due to the lack of available technologies, limited environmental-speci...
Structure Confirmation of Quinazolinone and Hydroindole Using Residual Dipolar Couplings From Polyarylisocyanide Liquid Crystal [0.03%]
聚芳异氰液晶残余偶极耦合在喹唑酮和氢化吲哚结构确认中的应用
Gao-Wei Li,Shuai-Hua Shi,Shu-Sen Li et al.
Gao-Wei Li et al.
Determining the constitution and configuration is a critical step in characterizing the structure of small molecules. In addition to the classical nuclear magnetic resonance (NMR) method conducted in isotropic solutions, the emerging anisot...
A Solid-State Carbon-13 CP-MAS NMR Analysis of Carboxymethyl Cellulose Sodium Salt (CMC) Derived From Cotton and Other Sources [0.03%]
由棉花及其他来源得自的羧甲基纤维素钠的固态碳-13 CP-MAS核磁共振分析
S Recillas,G Escobar-Vásquez,V M Castaño et al.
S Recillas et al.
Synthetic and commercial carboxymethyl cellulose (CMC) sodium salts were analyzed by CP-MAS 13C-NMR and plasma emission analysis. CMC was synthesized in the lab from cotton alkali cellulose and sodium chloroacetate. The progressive changes ...
Synthesis and Application of a Hydrophobic Polyglutamate Bearing a Triphenylphosphine Group for the Orientation of Pharmaceutically Active Compounds and the Measurement of Residual Dipolar Couplings [0.03%]
一种三苯基膦改性的疏水聚谷氨酸的合成及其在药物分子取向和残余偶极耦合测量中的应用
Jan Rettig,Michael Gölz,Christina M Thiele
Jan Rettig
We present a novel homopolyglutamate-based lyotropic liquid crystal, bearing a bulky and hydrophobic triphenylphosphine side chain. We successfully applied it as an alignment medium for measuring RDCs in artemisinin, an antimalarial drug, g...
Heterophyllin B: Combining Isotropic and Anisotropic NMR for the Conformational Analysis of a Natural Occurring Cyclic Peptide [0.03%]
异叶素B：结合各向同性和各向异性NMR对天然环形多肽构象的研究
Anton F Ketzel,Yang Hu,Xiao-Lu Li et al.
Anton F Ketzel et al.
Heterophyllin B is a natural occurring cyclic peptide with diverse attributed bioactivities. NMR-based conformational analysis of cyclic peptides often poses a challenge due to limited isotropic solution-state NMR data. In this study, we co...
Effects of Processing Methods on the Physical Properties of Aquafaba Powder: Time-Domain Nuclear Magnetic Resonance Analysis [0.03%]
加工方法对鹰嘴豆水粉物理性质的影响：时域核磁共振分析
Elif Gokcen Ates,Gokcem Tonyali Karsli,Ozcan Dilara Ozcan et al.
Elif Gokcen Ates et al.
Aquafaba, the water remaining after cooking chickpeas, has been a promising emulsifier and stabilizer in food products. Despite its potential, the variability in its composition and dry matter content poses challenges for its consistent use...
Complete 1H and 13C NMR Assignment of the ent-Labdane 2α-Hydroxyeperuic Acid Combining Conventional NMR Methods and HiFSA [0.03%]
结合常规核磁方法和HiFSA完成ent-罗汉松烷2α-羟基依珀鲁酸的1H和13C全核磁共振谱解析
Francisco Juárez-Carrillo,Hugo A García-Gutiérrez,Mónica Luna-Vázquez et al.
Francisco Juárez-Carrillo et al.
The complete assignment of 1H and 13C spectra of the ent-labdane 2α-hydroxyeperuic acid (3) has been achieved through spin simulation constructed with experimental data obtained from conventional NMR experiments such as 1H, 13C, HSQC, HMBC...
Revisiting the Structure of Cacospongionolide E: An Approach Based on Empirical Rules and NMR Calculations [0.03%]
Cacospongionolide E结构的重新审视：基于经验规则和核磁计算的方法
Yuto Nishidono,Ken Tanaka
Yuto Nishidono
In the field of natural product chemistry, the structures of several marine natural products have been erroneously determined. Here, we revisited the originally proposed structure of cacospongionolide E (1) using empirical rules in 13C NMR ...