Results 261 to 270 of about 62,336 (316)

Geometrical and Electronic Structure of Fluorinated and Non‐Fluorinated Platinum(II) Tetraphenylporphyrin Complexes

ChemPhysChem, EarlyView.
The experimental gas‐phase geometries of two platinum complexes, free from intermolecular interactions, can serve as references for related complexes in the crystalline state or solution. A significant electron density transfer from the porphyrin backbone to the platinum ion make it extremely low positive charged at +0.5 e.
Ivan Yu. Kurochkin, Nina I. Giricheva, Valentina A. Ol'shevskaya, Andrey V. Zaitsev, Georgiy V. Girichev, Norbert W. Mitzel   +5 more
wiley   +1 more source

Expedition 327 summary [PDF]

, 2011
openaire   +1 more source

Evaluating Aromaticity in Ag6Ru and Ag10Ru as Electron Precise Superatom Clusters

ChemPhysChem, Accepted Article.
In this work, we evaluate the superatomic characteristics of the favorable global minima of electron precise clusters, leading to stable species featuring catalytic reactive sites and inherent aromaticity in both planar and spherical realms. The results show that Ag6Ru exhibits an electron precise 10‐electron 1S21Px,y41Dxy,x2−y24 planar superatomic ...
Mesías Orozco Ic, Peter L. Rodríguez-Kessler, Alvaro Muñoz-Castro   +2 more
wiley   +1 more source

Photophysical and Time‐resolved Infrared Properties of Long‐Lived Rhenium(I) 4,5‐Diazafluorene Tricarbonyl Chromophores

ChemPhysChem, EarlyView.
This study investigates how using 4,5‐diazafluorene as the diimine ligand in ReI tricarbonyl complexes enhances the emission quantum yields and increases their emission energies compared to traditional bpy and phen analogs. A newly developed nanosecond time‐resolved mid‐IR spectroscopic method was developed to monitor the transiently oxidized metal ...
Reem T. Alameh, Michael C. Rosko, Evgeny O. Danilov, Nicolas Durand, Felix N. Castellano   +4 more
wiley   +1 more source

Rethinking Chlorine: Essential Chemical or Replaceable Risk?

ChemSusChem, Accepted Article.
This review critically examines the dual nature of chlorine as both an indispensable base chemical and a potential risk. Chlorine and its by‐product hydrogen chloride play essential roles in the production of pharmaceuticals, plastics, agrochemicals, and disinfectants.
Johannes Schwan, Merlin Kleoff, Gesa H. Dreyhsig, Patrick Voßnacker, Traute Fiedler, Marian Rosental, Sebastian Riedel   +6 more
wiley   +1 more source

In situ loading of a pore network model for quantitative characterization and visualization of gas seepage in coal rocks

Deep Underground Science and Engineering, EarlyView.
Fine modeling of a three‐dimensional fracture structure under dynamic loading of coal is carried out. The streamline distribution law of pressure and velocity field in the loading process of the coal specimen is analyzed, the absolute permeability of the coal specimen is calculated, and the feasibility of the pore network model algorithm and finite ...
Huazhe Jiao, Xi Chen, Tiegang Zhang, Quilligan Michael, Yixuan Yang, Xiaolin Yang, Tongyi Yang   +6 more
wiley   +1 more source

How to Assess Knowledge Cumulation in Environmental Governance Research? Conceptual and Empirical Explorations

Environmental Policy and Governance, EarlyView.
ABSTRACT Environmental governance research (EGR) has been criticized for not being cumulative, despite the importance of cumulative knowledge for evidence‐informed decision‐making in addressing global sustainability problems. However, defining, measuring, and assessing knowledge cumulation in EGR remain challenging.
Jens Newig, Michael Rose
wiley   +1 more source

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Temporal trends in semen concentration and count among 327 373 Chinese healthy men from 1981 to 2019: a systematic review.

Human Reproduction, 2021
STUDY QUESTION Are there temporal trends of sperm concentration (SC) and total sperm count (TSC) in Chinese healthy males from 1981 to 2019? SUMMARY ANSWER Our result indicated a temporal decrease in SC and TSC among 327 373 healthy Chinese men in the ...
M. Lv, Pan Ge, Jian Zhang, Yan-qi Yang, Liang Zhou, Dang-xia Zhou   +5 more
semanticscholar   +1 more source

High Throughput Detection of 327 Drugs in Blood by LC-MS-MS with Automated Data Processing1.

Journal of Analytical Toxicology, 2020
The described procedure provides a rapid technique for the detection and semi-quantitation of a large number of drugs in blood. This procedure uses a minimal sample volume and employs a one-step liquid extraction and automated data processing to yield ...
M. Di Rago, Supranee Pantatan, Melynda Hargreaves, Katherine Wong, D. Mantinieks, A. Kotsos, Linda L Glowacki, O. Drummer, D. Gerostamoulos   +8 more
semanticscholar   +1 more source

Inhibition of microRNA‐327 ameliorates ischemia/reperfusion injury‐induced cardiomyocytes apoptosis through targeting apoptosis repressor with caspase recruitment domain

Journal of Cellular Physiology, 2019
Apoptosis is the major cause of cardiomyocyte death in myocardial ischemia/reperfusion injury (MI/RI). Increasing evidence suggests that microRNAs (miRNAs) can contribute to the regulation of cardiomyocytes apoptosis by posttranscriptional modulation of ...
Qi Li, Jun Yang, Jing Zhang, Xiaowen Liu, Chaojun Yang, Z. Fan, Hui-bo Wang, Ying Yang, Tao Zheng, Jian Yang   +9 more
semanticscholar   +1 more source