How to Disentangle Cation and Anion Dynamics of Fully Protonated Ionic Liquids: A Fast Field Cycling NMR Case Study [0.03%]
关于完全质子化的离子液体如何分离阳离子和阴离子动力学的一种快速场变化核磁共振研究案例
Lennart Kruse,Angel Mary Chiramel Tony,Daniel Rauber et al.
Lennart Kruse et al.
The molecular dynamics of ionic liquids (ILs) can be probed using fast field cycling (FFC) NMR relaxometry. Conventionally, such studies focus on ILs where only one ionic species carries NMR-active nuclei or on systems combining 1 $$ {...
A Rapid and Sensitive Method for the Determination of Chitosan Concentration by NMR Relaxometry [0.03%]
一种快速灵敏的NMR弛豫法测定壳聚糖浓度的方法
Marta Férová,Jiří Kalina
Marta Férová
A rapid, reagent-free method for the quantification of chitosan in aqueous solutions was developed using 1H nuclear magnetic resonance (NMR) relaxometry. Transverse relaxation times (T2) of chitosan solutions (5-1000 mg/L) were measured wit...
Metabolic and Structural Insights of Cerebellar Dysfunction in Spinocerebellar Ataxia Type 12 [0.03%]
脊髓小脑共济失调12型小脑功能障碍的代谢和结构洞察
Pankaj Pankaj,S Senthil Kumaran,Achal Kumar Srivastava et al.
Pankaj Pankaj et al.
Spinocerebellar ataxia 12 (SCA12) is a progressive degenerative neurological disorder, primarily characterized by impaired coordination and balance. To investigate the correlation between proton (1H) magnetic resonance spectroscopy (MRS) an...
Theoretical Investigations on the Spin Hamiltonian Parameters and Local Structures for Cu2+ in xNaI-(30-x)Na2O-70B2O3 (5 ≤ x ≤ 25) Glasses [0.03%]
Cu2+在xNaI-(30-x)Na2O-70B2O3玻璃(5≤x≤25)中的自旋哈密顿参量及局域结构的理论研究
Guo-Liang Li,Shao-Yi Wu,Kun Yang
Guo-Liang Li
The spin Hamiltonian parameters (SHPs) (g factors g// and g⊥ and hyperfine structure constants A// and A⊥) and their concentration (x) dependences for Cu2+ in xNaI·(30-x)·Na2O·70B2O3 (5 ≤ x ≤ 25) glasses are theoretically investigate...
Structural Elucidation of a New Sesquiterpene Compound From Dendrobium nobile Lindl. by NMR Spectroscopy and Electronic Circular Dichroism Calculations [0.03%]
采用核磁共振和电子圆二色谱计算法阐明石斛中新倍半萜化合物的结构
Yi Yang,Wenyuan Zhou,Xiaonan Li et al.
Yi Yang et al.
A chemical investigation of the 95% EtOH extract of Dendrobium nobile Lindl. led to the isolation of one new sesquiterpene component (1), together with one known compound (2). Its structure was completely and unambiguously assigned by 1D an...
Structural Elucidation of the Cyclopeptide Papaucin Isolated From Annona diversifolia Saff. Seeds by NMR, Antiprotozoal Activity and Molecular Docking Studies [0.03%]
利用核磁共振、抗原虫活性及分子对接研究从Annona diversifolia Saff种子中分离得到的环肽Papaucin的结构明确化
Ulises Murrieta-Dionicio,Fernando Calzada,Elizabeth Barbosa et al.
Ulises Murrieta-Dionicio et al.
The hydroethanolic extract obtained from the seeds of Annona diversifolia Saff (Annonaceae) fruits was analyzed to obtain a new cycloheptapeptide, called papaucin (1) or cyclo(-Pro1-Val2-Ile3-Thr4-Asn5-Leu6-Gly7-). Its molecular structure w...
Usability of Amorphous Manganese Oxide for Assessing the Proteoglycan Content in Articular Cartilage [0.03%]
无定形锰氧化物评估关节软骨蛋白多糖含量的适用性研究
Riikka M Korpi,Susanna Ahola,Gamzegul Behrouz et al.
Riikka M Korpi et al.
Osteoarthritis (OA) is a highly common chronic disease that decreases functional capacity and can cause disability. The early detection of the disease could help to develop treatments that may reduce the progression if not cure the disease....
Sebastian Scheidel,Elena Behr,Ann-Christin Pöppler
Sebastian Scheidel
NMR spectroscopy under magic angle spinning (MAS) conditions can be employed to study the freezing of aqueous solutions and gel-like systems without the need for specialized equipment. This is attractive as one sample can be studied in its ...
Theoretical Studies on the Local Structures and EPR-g Factors for the Orthorhombic Cu2+ Centers in GdBa2Cu3O7-Δ and La0.5Gd0.5Ba2Cu3Oy [0.03%]
四方和斜方晶系GdBa₂Cu₃O₇⁻¹°和La₀․₅Gd₀․₅Ba₂Cu₃Oᵧ中Cu²⁺的局部结构及EPR-g因子的理论研究
Xiaolan Zhang,Zifa Zhou
Xiaolan Zhang
The local structures and the electron paramagnetic resonance (EPR) g factors of Cu2+ centers in GdBa2Cu3O7-Δ and La0.5Gd0.5Ba2Cu3Oy are theoretically studied by using the perturbation formulas of the g factors for an orthorhombically elong...
Temperature Effect on Supramolecular Hydrogel Gelation Process: A High-Resolution and Fast-Field Cycling NMR Study [0.03%]
温度对超分子水凝胶形成过程的影响：一种高分辨率及快速场循环核磁共振研究方法
Corentin Boulogne,Gaëlle Cogneaux,Paul Hoschtettler et al.
Corentin Boulogne et al.
Peptide-based supramolecular hydrogels are well known for their biocompatibility and the various range of applications in biotechnologies. The grafting of nucleobases along with the multicomponent approach allows a fine tuning of the hydrog...