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68,177 Newest Publications about the topic temperature

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Rational design of electrocatalysts and photo(electro)catalysts for nitrogen reduction to ammonia (NH3) under ambient conditions

24-Jan-2018 | Chunxian Guo; Jingrun Ran; Anthony Vasileff; Shi-Zhang Qiao, Energy & Environmental Science, 2018

As one of the most important chemicals and carbon-free energy carriers, ammonia (NH3) has a worldwide annual production of ∼150 million tons, and is mainly produced by the traditional high-temperature and high-pressure Haber–Bosch process which consumes massive amounts of energy. Very recently, ...

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A Self-Assembled Peroxidase from 5ʹ-GMP and Heme

24-Jan-2018 | Jeffery Davis; Deiaa Harraz, Chemical Communication, 2018

Guanosine 5ʹ-monophosphate (5ʹ-GMP) and Fe (III)-heme form a supramolecular catalyst with peroxidase activity. Catalysis, which depends on self-assembly of 5ʹ-GMP into a G-quadruplex that binds hemin, can be modulated by nucleotide concentration, temperature and the identity of the nucleotide’s ...

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A Combined Theoretical and Experimental Investigation of the Kinetics and Dynamics of the O(1D) + D2 Reaction at Low Temperature

23-Jan-2018 | Dianailys Nunez-Reyes; Kevin M. Hickson; P. Larregaray; Claude-Laurent Bonnet; Tomás González-Lezana; Yury ..., Physical Chemistry Chemical Physics, 2018

The O(1D) + H2 reaction is a prototype for simple atom-diatom insertion type mechanisms considered to involve deep potential wells. While exact quantum mechanical methods can be applied to describe the dynamics, such calculations are challenging given the numerous bound quantum states involved. ...

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Giant spontaneous exchange bias obtained by tuning magnetic compensation in samarium ferrite single crystals

23-Jan-2018 | Xiao-xiong Wang; Shang Gao; Xu Yan; Qiang Li; Jun-cheng Zhang; Yun-ze Long; Ke-qing Ruan; Xiao-guang Li, Physical Chemistry Chemical Physics, 2018

Spontaneous exchange bias (SEB) under zero field cooling (ZFC) has recently attracted lots of attention due to its underlying physics and potential applications. Here we report the giant SEB (GSEB) of SmFeO3 single crystals by tuning magnetic compensation by temperature, which is rather ...

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Design and understanding of encapsulated perovskite solar cells to withstand temperature cycling

23-Jan-2018 | Rongrong Cheacharoen; Nicholas Rolston; Duncan Harwood; Kevin A. Bush; Reinhold H. Dauskardt; Michael D. McGehee, Energy & Environmental Science, 2018

The performance of perovskite solar cells has rapidly increased above 22%, and their environmental stability is also progressing. However, the mismatch in thermal expansion coefficients and low fracture energy of layers in perovskite solar cells raise a concern as to whether devices can withstand ...

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[18F]ODIBO: a prosthetic group for bioorthogonal radiolabeling of macromolecules via strain-promoted alkyne–azide cycloaddition

23-Jan-2018 | Mehdi Boudjemeline; Christopher D. McNitt; Thomas A. Singleton; Vladimir V. Popik; Alexey P. Kostikov, Organic & Biomolecular Chemistry, 2018

A novel prosthetic group for the efficient radiolabeling of macromolecules has been developed. [18F]oxadibenzocyclooctyne ([18F]ODIBO) is synthesized in high radiochemical yield and applied for nearly quantitative conjugation to azide-tagged peptides and proteins at room temperature and low ...

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An Automated Microfluidic DNA Microarray Platform for Genetic Variants Detection in Inherited Arrhythmic Diseases

23-Jan-2018 | Shu-Hong Huang; Yu-Shin Chang; Jyh-Ming Jimmy Juang; Kai-Wei Chang; Mong-Hsun Tsai; Tzu-Pin Lu; Liang-Chuan Lai; Er ..., Analyst, 2018

In this study, we developed an automated microfluidic DNA microarray (AMDM) platform for point mutation detection of genetic variants in inherited arrhythmic diseases. The platform allows for automated and programmable reagent sequencing under precise conditions of hybridization flow and ...

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Template-free synthesis of Co3O4 nanorings and their catalytic application

23-Jan-2018 | Huihui Chen; Mei Yang; Sha Tao; Guangwen Chen, CrystEngComm, 2018

A facile, template-free and easily scalable approach has been developed for the preparation of Co3O4 nanorings, which can be divided into two stages: (1) formation of CoOOH nanorings and (2) high-temperature calcination of CoOOH nanorings in air. The key step for the synthesis of Co3O4 nanorings ...

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The effects of interaction between particulate matter and temperature on mortality in Beijing, China

23-Jan-2018 | Lin Tian; Fengchao Liang; Qun Guo; Shi Chen; Shengning Xiao; Ziting Wu; Xiaobin Jin; Xiaochuan Pan, Journal of Environmental Monitoring, 2018

Background: the effects of interaction between temperature and inhalable particulate matter (aerodynamic diameter < 10 μm, PM10) on mortality have been examined in some previous studies, but the results were inconsistent. This study aims to explore whether the effects of PM10 on daily ...

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Selectfluor-mediated regioselective nucleophilic functionalization of N-heterocycles under metal- and base-free conditions

23-Jan-2018 | Long-Yong Xie; Jie Qu; Sha Peng; Kai-Jian Liu; Zheng Wang; Man-Hua Ding; Yi Wang; Zhong Cao; Wei-Min He, Green Chemistry, 2018

A practical and environmentally attractive methodology for the direct diversification of N-heterocycles at ambient temperature under open-air conditions was developed. The obvious advantage of the process is that no toxic reagent, transition metal, base or other additive is employed, thus greatly ...

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