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Showing 13 to 24 of 15403 entries
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Effect of Reagent Vibrational Excitation on the Dynamics of F + H2(v = 1, j = 0) → HF(v', j') + H Reaction.

The journal of physical chemistry. A

Yang T, Huang L, Wang T, Xiao C, Xie Y, Sun Z, Dai D, Chen M, Zhang D, Yang X.
PMID: 26299775
J Phys Chem A. 2015 Dec 17;119(50):12284-90. doi: 10.1021/acs.jpca.5b06395. Epub 2015 Sep 02.

The reaction of fluorine atom with vibrationally excited H2 at v = 1 has been studied using a high resolution crossed molecular beam apparatus at collision energies of 0.52 and 0.90 kcal/mol. Product HF rotational state-resolved differential cross sections...

Stereospecific Synthesis of Tetrahydronaphtho[2,3-b]furans Enabled by a Nickel-Promoted Tandem Reductive Cyclization.

Organic letters

Peng Y, Xiao J, Xu XB, Duan SM, Ren L, Shao YL, Wang YW.
PMID: 27658859
Org Lett. 2016 Oct 07;18(19):5170-5173. doi: 10.1021/acs.orglett.6b02665. Epub 2016 Sep 23.

A Ni-mediated cascade to a stereoselective synthesis of trans-tetrahydronaphtho[2,3-b]furans is efficiently achieved for the first time. The mild reductive system can be easily generated from inexpensive and air-stable materials and shows a broad positional tolerance of substituents that were...

Global Metabolomics Reveals the Metabolic Dysfunction in Ox-LDL Induced Macrophage-Derived Foam Cells.

Frontiers in pharmacology

Xu W, Wei Z, Dong J, Duan F, Chen K, Chen C, Liu J, Yang X, Chen L, Xiao H, Liu A.
PMID: 28912717
Front Pharmacol. 2017 Aug 31;8:586. doi: 10.3389/fphar.2017.00586. eCollection 2017.

Atherosclerosis (AS) is a chronic disorder of large arteries that is a major risk factors of high morbidity and mortality. Oxidative modification LDL is one of the important contributors to atherogenesis. Macrophages take up ox-LDL and convert into foam...

Reversible transformation of self-assemblies and fluorescence by protonation-deprotonation in pyrimidinylene-phenylene macrocycles.

Chemical communications (Cambridge, England)

Xiao D, Zhang S, Zhang D, Xie D, Zeng Q, Xiang Y, Ning R, Li X, Jin W.
PMID: 26924165
Chem Commun (Camb). 2016 Mar 21;52(23):4357-60. doi: 10.1039/c6cc00943c.

We describe herein that the self-assembled nanoobjects based on pyrimidinylene-phenylene macrocycles, 1 and 2, which possess the capability to respond to acid-stimuli by proton binding, can undergo reversible transformation of self-assemblies and fluorescence switching by protonation-deprotonation.

Intervention effects of five cations and their correction on hemolytic activity of tentacle extract from the jellyfish .

PeerJ

Zhang H, Wang Q, Xiao L, Zhang L.
PMID: 28503385
PeerJ. 2017 May 09;5:e3338. doi: 10.7717/peerj.3338. eCollection 2017.

Cations have generally been reported to prevent jellyfish venom-induced hemolysis through multiple mechanisms by spectrophotometry. Little attention has been paid to the potential interaction between cations and hemoglobin, potentially influencing the antagonistic effect of cations. Here, we explored the...

Experimental study of temporal-spatial binary pattern projection for 3D shape acquisition.

Applied optics

Zhou P, Zhu J, Su X, You Z, Jing H, Xiao C, Zhong M.
PMID: 28414355
Appl Opt. 2017 Apr 10;56(11):2995-3003. doi: 10.1364/AO.56.002995.

Three-dimensional (3D) acquisition of an object with modest accuracy and speed is of particular concern in practice. The performance of digital sinusoidal fringe pattern projection using an off-the-shelf digital video projector is generally discounted by the nonlinearity and low...

Decreased calpain 6 expression is associated with tumorigenesis and poor prognosis in HNSCC.

Oncology letters

Xiang Y, Li F, Wang L, Zheng A, Zuo J, Li M, Wang Y, Xu Y, Chen C, Chen S, Xiao B, Tao Z.
PMID: 28454386
Oncol Lett. 2017 Apr;13(4):2237-2243. doi: 10.3892/ol.2017.5687. Epub 2017 Feb 07.

Calpains are a family of intracellular cysteine proteases involved in various biological processes. Previously, the family was identified to have abnormal expression in several types of malignant tumor. Calpain 6 was less well known; however, it was recently identified...

Kinetics of cytochrome P450 enzymes for metabolism of sodium tanshinone IIA sulfonate in vitro.

Chinese medicine

Ouyang DS, Huang WH, Chen D, Zhang W, Tan ZR, Peng JB, Wang YC, Guo Y, Hu DL, Xiao J, Chen Y.
PMID: 27006687
Chin Med. 2016 Mar 22;11:11. doi: 10.1186/s13020-016-0083-z. eCollection 2016.

BACKGROUND: Sodium tanshinone IIA sulfonate (STS) is a water-soluble derivative of tanshinone IIA for treating cardiovascular disorders. The roles of cytochrome P450 enzymes (CYPs) in the metabolism of STS have remained unclear. This study aims to screen the main...

Observation and deperturbation of near-dissociation ro-vibrational structure of the Cs2 state 0u(+) (A(1)Σu(+)∼b(3)Π0+u) at the asymptote 6S1/2 + 6P1/2.

The Journal of chemical physics

Liu W, Xu R, Wu J, Yang J, Lukashov SS, Sovkov VB, Dai X, Ma J, Xiao L, Jia S.
PMID: 26429011
J Chem Phys. 2015 Sep 28;143(12):124307. doi: 10.1063/1.4931646.

New ro-vibrational structures of cold Cs2 in the 0u(+) state near the asymptote 6S1/2 + 6P1/2 are resolved. The variation of the rotational constants shows that the related energy spectra are strongly perturbed. An analysis of new data along...

Light-responsive expansion-contraction of spherical nanoparticle grafted with azopolymers.

The Journal of chemical physics

Fu J, Zhang X, Miao B, Yan D.
PMID: 28456201
J Chem Phys. 2017 Apr 28;146(16):164901. doi: 10.1063/1.4981914.

Due to the very importance for both fundamental research and technological applications, smart materials with stimuli-responsive properties have been studied intensively. Theoretical investigation contributes to this endeavor through constructing and analyzing a model system which captures main features of...

Structural control of side-chain chromophores to achieve highly efficient electro-optic activity.

Physical chemistry chemical physics : PCCP

Yang Y, Chen Z, Liu J, Xiao H, Zhen Z, Liu X, Jiang G.
PMID: 28425553
Phys Chem Chem Phys. 2017 May 10;19(18):11502-11509. doi: 10.1039/c7cp01582h.

A series of chromophores J1-J4 have been synthesized based on julolidine donors modified with different rigid steric hindrance groups. Compared with the chromophore (J1) without the isolation group, chromophores J2, J3 and J4 show better stability. Structural analysis and...

Genetic Diversity, Rather than Cultivar Type, Determines Relative Grain Cd Accumulation in Hybrid Rice.

Frontiers in plant science

Sun L, Xu X, Jiang Y, Zhu Q, Yang F, Zhou J, Yang Y, Huang Z, Li A, Chen L, Tang W, Zhang G, Wang J, Xiao G, Huang D, Chen C.
PMID: 27708659
Front Plant Sci. 2016 Sep 21;7:1407. doi: 10.3389/fpls.2016.01407. eCollection 2016.

Cadmium (Cd) is a toxic element, and rice is known to be a leading source of dietary Cd for people who consume rice as their main caloric resource. Hybrid rice has dominated rice production in southern China and has...

Showing 13 to 24 of 15403 entries