Results 111 to 120 of about 113,489 (369)

10 Years Development of Potassium‐Ion Batteries

Advanced Materials, EarlyView.
Significant progress is made in PIBs over the past decade, but the improvements based on half‐cell testing, low mass loading, and low energy density are insufficient for practical applications. This review summarizes the challenges and strategies for PIBs, highlights the importance of further research focusing on full cells, and provides an analysis of
Mingnan Li, Caoyu Wang, Cheng Wang, Yanqiu Lyu, Jingxiu Wang, Shuixin Xia, Jianfeng Mao, Zaiping Guo   +7 more
wiley   +1 more source

A Quinone Based Single-Molecule Switch as Building Block for Molecular Electronics [PDF]

arXiv, 2018
Azophenine has previously been identified as a controllable molecular switch when deposited on a Cu(110) surface, where it can be in two symmetry-equivalent states. Each of the two states can be set as well as read by means of a scanning tunneling microscope (STM).
arxiv  

Localization and synthesis of prenylquinones in isolated outer and inner envelope membranes from spinach chloroplasts [PDF]

, 1985
The prenylquinone content and biosynthetic capabilities of membrane fractions enriched in outer and inner envelope membranes from spinach chloroplasts were analyzed.
Bligh, Block, Block, Block, Block, Block, Carde, Douce, Douce, Douce, Douce, Grumbach, Hutson, Jeffrey, Joo, Lichtenthaler, Lowry, Mayer, Pennock, Schultz, Soll, Soll, Soll, Threlfall   +23 more
core   +1 more source

Challenges and Opportunities for Rechargeable Aqueous Sn Metal Batteries

Advanced Materials, EarlyView.
Rechargeable aqueous batteries with metal anodes promise enhanced energy density, combining higher output voltage and capacity with high safety. This perspective highlights the emerging potential of the Sn metal anode, emphasizing its resistance to hydrogen evolution, high reversibility, and sustainability.
Haozhe Zhang, Di‐Jia Liu, Kang Xu, Ying Shirley Meng   +3 more
wiley   +1 more source

First thia-Diels–Alder reactions of thiochalcones with 1,4-quinones

Beilstein Journal of Organic Chemistry, 2018
Aryl and hetaryl thiochalcones react smoothly with 1,4-quinones in THF solution at 60 °C yielding the corresponding fused 4H-thiopyrans after spontaneous dehydrogenation of the initially formed [4 + 2] cycloadducts. In general, the yields of the isolated
Grzegorz Mlostoń, Katarzyna Urbaniak, Paweł Urbaniak, Anna Marko, Anthony Linden, Heinz Heimgartner   +5 more
doaj   +1 more source

Direct observation of structural heterogeneity and tautomerization of single hypericin molecules [PDF]

arXiv, 2020
Tautomerization is a fast chemical reaction where structures of the reactants differ only in the position of a proton and a double bond. Tautomerization often occurs in natural substances and is a fundamental process in organic- and biochemistry. However, studying the optical properties of tautomeric species is challenging due to ensemble averaging ...
arxiv  

Protein‐Like Polymers Targeting Keap1/Nrf2 as Therapeutics for Myocardial Infarction

Advanced Materials, EarlyView.
We describe a Keap1 targeting protein‐like polymer (PLP) which activates Nrf2, an important cytoprotective transcription factor for relieving myocardial infarction‐induced oxidative stress. This PLP increases cell survival in vitro in multiple relevant cardiac cell types and elicits pro‐reparative responses, improving cardiac function in a preclinical ...
Joshua M. Mesfin, Kendal P. Carrow, Alexander Chen, Madeline P. Hopps, JoJo J. Holm, Quincy P. Lyons, Michael B. Nguyen, Jervaughn D. Hunter, Assa Magassa, Elyse G. Wong, Kate Reimold, Sriya N. Paleti, Emily Gardner, Matthew P. Thompson, Colin G. Luo, Xiaoyu Zhang, Karen L. Christman, Nathan C. Gianneschi   +17 more
wiley   +1 more source

The effects of simple density-dependent prey diffusion and refuge in a predator-prey system [PDF]

arXiv, 2019
We study a spatial (two-dimensional) Rosenzweig-MacArthur model under the following assumptions: $(1)$ prey movement follows a nonlinear diffusion, $(2)$ preys have a refuge zone (sometimes called "protection zone") where predators cannot enter, (3) predators move following linear diffusion.
arxiv  

Halide Perovskite Photocatalysts for Clean Fuel Production and Organic Synthesis: Opportunities and Challenges

Advanced Materials, EarlyView.
This review provides the state‐of‐the‐art overview of halide perovskite‐based photocatalysts for hydrogen production from water and halogen acid solutions, CO2 reduction into value‐added chemicals, and organic chemical transformations. Different types of halide perovskite photocatalysts and their relative efficiencies for hydrogen generation and CO2 ...
Siddharth Singh, Zeinab Hamid, Ramavath Babu, Sergio Gómez‐Graña, Xiaowen Hu, Iain McCulloch, Robert L. Z. Hoye, Vishal Govind Rao, Lakshminarayana Polavarapu   +8 more
wiley   +1 more source

High‐Energy‐Density Aqueous Zinc‐Ion Batteries: Recent Progress, Design Strategies, Challenges, and Perspectives

Advanced Materials, EarlyView.
Strategies achieving high‐energy‐density aqueous zinc‐ion batteries are summarized and analyzed from both their separate advancements and the integrated effectiveness in this review. Then, perspectives are given for valuable guidance for further development of high‐energy‐density aqueous zinc‐ion batteries.
Mingcong Tang, Qun Liu, Xiaohong Zou, Biao Zhang, Liang An   +4 more
wiley   +1 more source