Results 31 to 40 of about 75,973 (258)

Catalytic enantioselective construction of axial chirality in 1,3-disubstituted allenes

Nature Communications, 2019
Highly enantioselective synthesis of allenes has been relying, so far, on the steric hindrance of substrates. Here the authors achieve excellent stereocontrol in the synthesis of chiral allenes with a palladium-DTBM-SEGPHOS catalytic system in a non ...
Shihua Song, Jing Zhou, Chunling Fu, Shengming Ma   +3 more
doaj   +1 more source

A novel quinazolinone insulin receptor inhibitor and its synergy with an EGFR inhibitor in glucose‐driven glioblastoma

Molecular Oncology, EarlyView.
The novel styrylquinazolinone‐based molecule W1B effectively suppresses glioblastoma by inhibiting IGF1R and EGFR. In high‐glucose microenvironments driving tumor resistance, W1B acts synergistically with the EGFR inhibitor dacomitinib. This combination safely blocks compensatory survival signaling in zebrafish xenograft models. Showcasing promising in
Patryk Rurka, Wioleta Cieślik, Wojciech Płaziński, Katarzyna Stępnik, Anna Boguszewska‐Czubara, Elżbieta Kot, Robert Musioł, Mateusz Jasica, Anna Mrozek‐Wilczkiewicz, Katarzyna Malarz   +9 more
wiley   +1 more source

Investigation into the Influence of Alkyl Thioureas with Varying Steric Hindrance on the Tensile Strength of Electrolytic Copper Foil

Advanced Materials Interfaces
Thiourea derivatives are typical additives that exert different steric hindrance effects on the tensile strength of electrolytic copper foil (ECF). However, the underlying mechanisms remain unclear.
Mingwei Chen, Xing Hu, Jian Huang, Dongmei Wu, Chen Shi, Ning Song, Yuhui Tan, Chao Liu, Yunzhi Tang   +8 more
doaj   +1 more source

In vitro and in silico modelling of ROS1‐positive non‐small cell lung cancer reveals fusion‐dependent tyrosine kinase inhibitor responses

Molecular Oncology, EarlyView.
Drug resistance limits treatment success in a subset of lung cancers driven by ROS1 gene alterations. Using patient‐derived cells and computer simulations, we studied three key mutations and how they affect five targeted drugs. The mutations reduced drug effectiveness in different ways by altering protein structure and behavior.
Farhan Ul Haq, Marc Terrones, Felicia Rodrigues Fortes, Anne Schepers, Alessia Denis, Christophe Deben, Ken Op de Beeck, Guy Van Camp, Geert Vandeweyer   +8 more
wiley   +1 more source

ZW4864‐mediated inhibition of the β‐catenin/BCL9/BCL9L complex reveals therapeutic potential in bladder cancer

Molecular Oncology, EarlyView.
BCL9 and BCL9L drive bladder cancer progression by enhancing β‐catenin signaling, promoting proliferation, migration, invasion, and organoid growth. Genetic depletion of BCL9(L) suppresses malignant phenotypes, while pharmacological disruption of the β‐catenin/BCL9(L) complex with ZW4864 inhibits canonical Wnt signaling and tumor‐associated cellular ...
Roland Kotolloshi, Mandy Berndt‐Paetz, Eileen Lerner, Gregoire Najjar, Anca Azoitei, Krishna Pal Singh, Shailendra Kumar Gupta, Olaf Wolkenhauer, Cagatay Günes, Otmar Huber, Marc‐Oliver Grimm, Daniel Steinbach   +11 more
wiley   +1 more source

Bridge Nucleic Acid/DNA Gapmers as Potential Inhibitors of Bacterial Gene Expression by Multiple Antisense Mechanisms: An In Vitro Study

Molecules
Antisense inhibition of gene expression is usually achieved using nuclease-resistant oligonucleotide analogs that promote mRNA degradation through RNase H or RNase P, or by steric hindrance of translation.
Angel J. Magaña, Kimberly Phan, Jesse A. Lopez, Maria S. Ramirez, Marcelo E. Tolmasky   +4 more
doaj   +1 more source

Kinetic Parameters of Biomass Pyrolysis by TGA

BioResources, 2016
Pyrolysis processes of typical biomass, such as corn stalk and birch chips, were investigated by thermogravimetric analysis (TGA). The apparent activation energy and pre-exponential factor were calculated with the adoption of the improved Coats-Redfern ...
Ming Zhai, Li Guo, Yu Zhang, Peng Dong, Guoli Qi, Yudong Huang   +5 more
doaj   +1 more source

Crystallinity and phase separation induced morphological modulation for efficient ternary all-polymer solar cells

APL Energy, 2023
All-polymer solar cells (all-PSCs) have attracted enormous attention and achieved significant progress in recent years due to their long-term stability and excellent film stretchability.
Mengzhen Sha, Bili Zhu, Qian Wang, Ping Deng, Xunfan Liao, Hang Yin, Xiaotao Hao   +6 more
doaj   +1 more source

Refinement of amino‐acid conformation vs. difference density maps in time‐resolved serial femtosecond crystallography data analysis

FEBS Open Bio, EarlyView.
The dFoCC pipeline starts with observed DED and resting‐state coordinates, which are then used to generate a library of triggered states. Correlation analysis of the calculated DED features of each candidate vs observed DED permits quantitative evaluation of candidate structural quality.
Meng Iao Fong, Yuhei Hosokawa, Lars Oliver Essen, Manuel Maestre‐Reyna   +3 more
wiley   +1 more source

Steric hindrance induced low exciton binding energy enables low‐driving‐force organic solar cells

Aggregate
Exciton binding energy (Eb) has been regarded as a critical parameter in charge separation during photovoltaic conversion. Minimizing the Eb of the photovoltaic materials can facilitate the exciton dissociation in low‐driving force organic solar cells ...
Tianyu Hu, Xufan Zheng, Ting Wang, Aziz Saparbaev, Bowen Gao, Jingnan Wu, Jingyi Xiong, Ming Wan, Tingting Cong, Yuda Li, Ergang Wang, Xunchang Wang, Renqiang Yang   +12 more
doaj   +1 more source