Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Pengyun Yu"'
Publikováno v:
Communications Chemistry, Vol 7, Iss 1, Pp 1-9 (2024)
Abstract There has been a long-standing debate as to how many hydrogen bonds a peptide backbone amide can form in aqueous solution. Hydrogen-bonding structural dynamics of N-ethylpropionamide (a β-peptide model) in water was examined using infrared
Externí odkaz:
https://doaj.org/article/fcb193a4b7d54443a3f97bf57fa21173
Autor:
Xueqian Dong, Pengyun Yu, Juan Zhao, Yue Wu, Moustafa Ali, Mostafa A. El-Sayed, Jianping Wang
Publikováno v:
The Journal of Physical Chemistry C. 127:3532-3541
Publikováno v:
Physical chemistry chemical physics : PCCP. 24(48)
Monitoring the site-specific local structure and dynamics of polynucleotides and DNA is important for understanding their biological functions. However, structurally characterizing these biomolecules with high time resolution has been known to be exp
Publikováno v:
Journal of the American Chemical Society. 144(48)
Bacteriorhodopsin (bR) is a light-driven microbial receptor, and lysine 159 (K159) is a charged residue on the cytoplasmic (CP) side of its E-F loop. However, its conformation and function remain unknown due to fast surface dynamics. By utilizing a
Autor:
Xueqian Dong, Pengyun Yu, Juan Zhao, Yue Wu, Moustafa R. K. Ali, Mostafa A. El-Sayed, Jianping Wang
Publikováno v:
The Journal of Physical Chemistry C. 127:8428-8428
Publikováno v:
The Journal of Physical Chemistry C. 124:2388-2398
Cyclic nitramine hexahydro-1,3,5-trinitro-s-triazine (HHTT) is an important energetic molecule with a variety of applications. In this work, structural dynamics and vibrational-energy transfer dyna...
Publikováno v:
The journal of physical chemistry. B. 125(43)
Non-fullerene molecules, such as ITIC (3,9-bis(2-methylene-(3-(1,1-dicyanomethylene) indanone)-5,5,11,11-tetrakis(4-hexylphenyl)dithieno[2,3-d:2',3'-d']-s-indaceno[1,2-b:5,6-b']-dithiophene), are among the most promising non-fullerene acceptors for o
Autor:
Fan Yang, Xueqian Dong, Jian-Ping Wang, Chen-Ho Tung, Li-Zhu Wu, Pengyun Yu, Juan Zhao, Sumin Wang
Publikováno v:
The Journal of Physical Chemistry B. 124:544-555
In this work, the structural fluctuations and vibrational energy transfer dynamics in a supramolecular homodimer model, which is composed of 2-(9-anthracene)ureido-6-(1-undecyl)-4[1H]-pyrimidinone (UPAn) with quadruple intermolecular and single intra
Publikováno v:
The Journal of Physical Chemistry Letters. 10:1402-1410
In this work, an intensity-enhanced C≡C stretching infrared (IR) absorption is observed in hexakis[(trimethylsilyl)ethynyl]benzene (HTEB), whose IR transition dipole magnitude becomes comparable to that of a typical C═O stretch, and the enhanceme
Autor:
Fan Yang, Lu Shi, Tiantian Dong, Pengyun Yu, Rong Hu, Honglin Wu, Yanqiang Yang, Jianping Wang
Publikováno v:
The Journal of Chemical Physics. 156:194305
Steady-state and time-resolved infrared (IR) studies of cyclotetramethylene tetranitramine (HMX) were carried out, using the asymmetric nitro-stretch as probe, to investigate its solution structures and vibrational energy transfer processes in pure d