Results 111 to 120 of about 104,529 (263)

Electron‐Deficient Linkers Enhance H2O2 Electrosynthesis in Covalent Organic Frameworks

Advanced Functional Materials, EarlyView.
Linker π‐conjugation modulates the electronic state of the Ni–N4 centers and their interaction with the key *OOH intermediate while preserving the primary coordination motif. NiPc‐PTDA delivers an H2O2 selectivity of 92% and a production rate of 34.8 mol gcat−1 h−1, highlighting linker electronic properties as a molecular design parameter for NiPc ...
Houting Xie, Rui Guo, Zhen Liu, Yang Hu, Laichun Zhao, Omid Mazaheri, Bufeng Zhang, Shuaijun Pan   +7 more
wiley   +1 more source

Reciprocal carbonyl–carbonyl interactions in small molecules and proteins

Nature Communications, 2017
Carbonyl-carbonyl π* non covalent interactions affect the structure and stability of small molecules and proteins. Here, the authors carry out experimental studies, analyses of crystallographic databases and theoretical calculations to describe an ...
Abdur Rahim, Pinaki Saha, Kunal Kumar Jha, Nagamani Sukumar, Bani Kanta Sarma   +4 more
doaj   +1 more source

Reactive carbonyl compounds related uremic toxicity (“carbonyl stress”) [PDF]

, 2001
Reactive carbonyl compounds related uremic toxicity (“carbonyl stress”). Many studies on uremic toxins have focused on enzymatic biochemistry.
Miyata, Toshio, Saito, Akira, Sugiyama, Satoshi, Kurokawa, Kiyoshi   +3 more
core   +1 more source

From Bulk to Colloidal Nanocrystals: Top‐Down Synthesis of Highly Luminescent Cs2ZrCl6:Te4+ Double Perovskite Nanocrystals for X‐Ray Imaging

Advanced Functional Materials, EarlyView.
Top‐down ultrasonication produces highly emissive Cs2ZrCl6:Te4+ nanocrystals (NCs) with a PLQY of 65%, which is higher compared to that of the NCs synthesized by typical bottom‐up hot‐injection synthesis. The colloidal Cs2ZrCl6:Te4+ NCs have been found to be potential candidates for x‐ray scintillation imaging.
Yang Liu, Ye Wu, Hongpeng Liu, Cong Cui, Iago López‐Fernández, Nadesh Fiuza‐Maneiro, Sergio Gómez‐Graña, Yingjun Chai, Zhicheng Wang, Yusheng Wu, Laishi Li, Xiaoming Li, Lakshminarayana Polavarapu   +12 more
wiley   +1 more source

Observation of 1,3-Diketones Formation in the Reaction of Bulky Acyl Chlorides with Methyllithium

Molecules, 2012
The formation of 1,3-diketones was observed in the reactions of bulky acyl chlorides with methyllithium. The reaction products depend on the steric hindrance around the carbonyl group of the acyl chloride and the electronic effect of the group(s) linked ...
Liwen Yang, Nianfa Yang, Jian Zhang
doaj   +1 more source

Charge‐Polarized Ni─S4 Single‐Atom Sites Drive Selective Photoreforming of Poly(lactic acid) to Lactate and Hydrogen

Advanced Functional Materials, EarlyView.
Atomically dispersed Ni–S4 sites on CdS nanorods induce interfacial charge polarization, directing photogenerated electrons to H2 evolution and holes to selective ester‐bond cleavage of poly(lactic acid). Without sacrificial reagents, this charge‐coupled system produces lactate while suppressing overoxidation, achieving an H2 evolution rate of 41.74 ...
Yu Yao, Panpan Zhang, Jinqiang Zhang, Xi‐lin Wu, Tara Pukala, Yifei Wang, Bernt Johannessen, Shaobin Wang, Xiaoguang Duan   +8 more
wiley   +1 more source

Aromatic‐Carbonyl Interactions as an Emerging Type of Non‐Covalent Interactions

Advanced Science
Aromatic‐carbonyl (Ar···C═O) interactions, attractive interactions between the arene plane and the carbon atom of carbonyl, are in the infancy as one type of new supramolecular bonding forces.
Chaowei Yin, Hebo Ye, Yu Hai, Hanxun Zou, Lei You   +4 more
doaj   +1 more source

Polymer Side‐Chain Electronic Effects Regulating Solvation Sheath for Low‐Temperature and High‐Voltage Lithium Metal Batteries

Advanced Functional Materials, EarlyView.
This work reveals the influence of polymer side‐chain electronic effects on the Li+ solvation sheath in gel polymer electrolytes. Electron‐donating side chains induce the strong Li+ coordination and FDMA‐dominated solvation, impeding Li+ desolvation, whereas electron‐withdrawing side chains weaken Li+ coordination, facilitating anion‐rich solvation and
Xianbin Wu, Zhenxiang Zhu, Haotian Yang, Dayao Zhang, Zhen Geng, Cunman Zhang, Mingzhe Xue, Jian Wang   +7 more
wiley   +1 more source

Study on wave absorption properties of carbonyl iron and SiO2 coated carbonyl iron particles

AIP Advances, 2018
Because of the excellent properties, carbonyl iron powder particles and their surface modified products are often used as radar absorbers. The electromagnetic wave attenuation mechanism of the carbonyl iron powders and SiO2 coated carbonyl iron particles
Honghao Yan, Xinhua Song, Yang Wang
doaj   +1 more source

Superelectrophilic Aluminum(III)-Ion Pairs Promote a Distinct Reaction Path for Carbonyl-Olefin Metathesis of Medium-Sized Rings [PDF]

, 2019
We describe the development of a new catalyst system for carbonyl-olefin ring-closing metathesis reactions that relies on Lewis acidic superelectrophiles and significantly expands the current scope of this transformation to medium-sized rings ...
Ashlee J., Davis, Jessica L., Gomez-Lopez, Corinna, Schindler, Rebecca, Watson, Daniel, Nasrallah   +4 more
core   +1 more source