Electron spin dynamics during microwave pulses studied by 94 GHz chirp and phase-modulated EPR experiments [0.03%]
利用94GHz频标及相位调制EPR实验研究微波脉冲下电子自旋动力学
Marvin Lenjer,Nino Wili,Fabian Hecker et al.
Marvin Lenjer et al.
Electron spin dynamics during microwave irradiation are of increasing interest in electron paramagnetic resonance (EPR) spectroscopy, as locking electron spins into a dressed state finds applications in EPR and dynamic nuclear polarization ...
Analytical treatment of proton double-quantum NMR intensity buildup: multi-spin couplings and the flip-flop term [0.03%]
质子双量子NMR强度积累的解析处理：自旋耦合与翻转项
Nail Fatkullin,Ivan Brekotkin,Kay Saalwächter
Nail Fatkullin
A modified Anderson-Weiss approximation for describing double-quantum (DQ) NMR experiments in systems with many I = 1 / 2 spins is proposed, taking inter-spin flip-flop processes into special consideration. In this way, an analytical resul...
Automated manufacturing process for sustainable prototyping of nuclear magnetic resonance transceivers [0.03%]
一种用于核磁共振收发器的可持续样机制造工艺的自动化流程
Sagar Wadhwa,Nan Wang,Klaus-Martin Reichert et al.
Sagar Wadhwa et al.
Additive manufacturing has enabled rapid prototyping of components with minimum investment in specific fabrication infrastructure. These tools allow for a fast iteration from design to functional prototypes within days or even hours. Such p...
Determining large hyperfine interactions of a model flavoprotein in the semiquinone state using pulse EPR (electron paramagnetic resonance) techniques [0.03%]
脉冲EPR技术在半质子态模型黄素蛋白中确定大的超精细相互作用
Jesús I Martínez,Susana Frago,Milagros Medina et al.
Jesús I Martínez et al.
Flavoproteins are a versatile class of proteins involved in numerous biological processes, including redox reactions, electron transfer, and signal transduction, often relying on their ability to stabilize different oxidation states of thei...
Exploration of the close chemical space of tryptophan and tyrosine reveals importance of hydrophobicity in CW-photo-CIDNP performances [0.03%]
色氨酸和酪氨酸的近化学空间探索发现了疏水性对CW-光诱导动力核磁性能的重要性
Felix Torres,Alois Renn,Roland Riek
Felix Torres
Sensitivity being one of the main hurdles of nuclear magnetic resonance (NMR) can be gained by polarization techniques including chemically induced dynamic nuclear polarization (CIDNP). Kaptein demonstrated that the basic mechanism of the C...
Coherence locking in a parallel nuclear magnetic resonance probe defends against gradient field spillover [0.03%]
相干锁定平行核磁共振探头防御梯度场溢出效应
Mengjia He,Neil MacKinnon,Dominique Buyens et al.
Mengjia He et al.
The implementation of parallel nuclear magnetic resonance detection aims to enhance measurement throughput in support of high-throughput-screening applications, including, for example, drug discovery. In support of modern pulse sequences an...
3D-printed microcell for protein NMR at high ionic strengths and small sample volumes [0.03%]
一种用于高盐及低溶剂体积的蛋白质核磁共振微细胞的3D打印技术
Tayeb Kakeshpour,Martin D Gelenter,Jinfa Ying et al.
Tayeb Kakeshpour et al.
Standard solution NMR measurements use 5 mm outer diameter (OD) sample tubes that require ca. 0.5 mL of solvent to minimize "end effects" on magnetic field homogeneity in the active volume of the sample. Shigemi cells reduce the solvent req...
Inter-residue through-space scalar 19F-19F couplings between CH2F groups in a protein [0.03%]
蛋白质中CH2F基团间的残基间穿 residuetras-space标量19F-19F耦合
Yi Jiun Tan,Elwy H Abdelkader,Iresha D Herath et al.
Yi Jiun Tan et al.
Using cell-free protein synthesis, the protein G B1 domain (GB1) was prepared with uniform high-level substitution of leucine by (2 S ,4 S )-5-fluoroleucine (FLeu1), (2 S ,4 R )-5-fluoroleucine (FLeu2), or 5,5'-difluoroleucine (diFLeu). 1...
Automated wide-line nuclear quadrupole resonance of mixed-cation lead-halide perovskites [0.03%]
混合阳离子铅卤钙钛矿的自动化宽带核四极共振
Jop W Wolffs,Jennifer S Gómez,Gerrit E Janssen et al.
Jop W Wolffs et al.
Nuclear quadrupole resonance (NQR), a technique related to nuclear magnetic resonance, is extremely sensitive to local crystal composition and structure. Unfortunately, in disordered materials, this sensitivity also leads to very large line...
Increased sensitivity in electron-nuclear double resonance spectroscopy with chirped radiofrequency pulses [0.03%]
采用线性调频射频脉冲提高电子-核双共振谱灵敏度
Julian Stropp,Nino Wili,Niels C Nielsen et al.
Julian Stropp et al.
Electron-nuclear double resonance (ENDOR) spectroscopy is an EPR technique to detect the nuclear frequency spectra of hyperfine coupled nuclei close to paramagnetic centers, which have interactions that are not resolved in continuous wave E...