Results 51 to 60 of about 833,453 (290)

Widely Tunable Angular Non-Critical Phase-Matching Wavelengths from 0.72 to 1.42 μm Based on RE1_xRE2_1−xCOB Mixed Crystals

Crystals, 2020
The angular non-critical phase-matching (A-NCPM) second-harmonic-generation (SHG) properties of RE1xRE21−xCOB (RE1, RE2 = Y, Gd, La, Tm, Sm, and Nd) type mixed crystals including NCPM wavelength and conversion efficiency were detailedly investigated ...
Ranran Li, Hongwei Qi, Yanqing Liu, Fapeng Yu, Pingzhang Yu, Zhengping Wang, Xinguang Xu, Xian Zhao   +7 more
doaj   +1 more source

A methionine‐lined active site governs carbocation stabilization and product specificity in a bacterial terpene synthase

FEBS Letters, EarlyView.
This study reveals a unique active site enriched in methionine residues and demonstrates that these residues play a critical role by stabilizing carbocation intermediates through novel sulfur–cation interactions. Structure‐guided mutagenesis further revealed variants with significantly altered product profiles, enhancing pseudopterosin formation. These
Marion Ringel, Carl P. O. Helmer, Shani Zev, Ronja Driller, Emily Buhr, Markus Reinbold, Renana Schwartz, Gabriel Foley, Mikael Boden, Daniel Garbe, Gerhard Schenk, Dan Thomas Major, Bernhard Loll, Thomas Brück   +13 more
wiley   +1 more source

Chiral and Polar Duality Design of Heteroanionic Compounds: Sr18Ge9O5S31 Based on [Sr3OGeS3]2+ and [Sr3SGeS3]2+ Groups

Advanced Science
Chirality and polarity are the two most important and representative symmetry‐dependent properties. For polar structures, all the twofold axes perpendicular to the principal axis of symmetry should be removed.
Shaoxin Cui, Hongping Wu, Xinkang Dong, Zhanggui Hu, Jiyang Wang, Yicheng Wu, Kenneth R. Poeppelmeier, Hongwei Yu   +7 more
doaj   +1 more source

Switchable half-metallicity in A-type antiferromagnetic NiI2 bilayer coupled with ferroelectric In2Se3

npj Computational Materials, 2022
Electrically controlled half-metallicity in antiferromagnets is of great significance for both fundamental research and practical application. Here, by constructing van der Waals heterostructures composed of two-dimensional (2D) A-type antiferromagnetic ...
Yaping Wang, Xinguang Xu, Xian Zhao, Weixiao Ji, Qiang Cao, Shengshi Li, Yanlu Li   +6 more
doaj   +1 more source

The neural crest‐associated gene ERRFI1 is involved in melanoma progression and resistance toward targeted therapy

Molecular Oncology, EarlyView.
ERRFI1, a neural crest (NC)‐associated gene, was upregulated in melanoma and negatively correlated with the expression of melanocytic differentiation markers and the susceptibility of melanoma cells toward BRAF inhibitors (BRAFi). Knocking down ERRFI1 significantly increased the sensitivity of melanoma cells to BRAFi.
Nina Wang, Qian Sun, Daniel Novak, Lei Zhu, Juliane Poelchen, Tamara Steinfass, Yiman Wang, Viktor Umansky, Jochen Utikal   +8 more
wiley   +1 more source

Molybdenum Oxynitride Atomic Nanoclusters Bonded in Nanosheets of N-Doped Carbon Hierarchical Microspheres for Efficient Sodium Storage

Nano-Micro Letters, 2022
Transition metal nitrides have attracted considerable attention as great potential anode materials due to their excellent metallic conductivity and high theoretical specific capacity.
Xiaona Pan, Baojuan Xi, Huibing Lu, Zhengchunyu Zhang, Xuguang An, Jie Liu, Jinkui Feng, Shenglin Xiong   +7 more
doaj   +1 more source

Independent high-purity photons created in domain-engineered crystals

, 2018
Advanced photonic quantum technology relies on multi-photon interference which requires bright sources of high-purity single photons. Here, we implement a novel domain-engineering technique for tailoring the nonlinearity of a parametric down-conversion ...
Barrow, Peter, Fedrizzi, Alessandro, Graffitti, Francesco, Kundys, Dmytro, Proietti, Massimiliano   +4 more
core   +1 more source

Cytoplasmic p21 promotes stemness of colon cancer cells via activation of the NFκB pathway

Molecular Oncology, EarlyView.
Cytoplasmic p21 promotes colorectal cancer stem cell (CSC) features by destabilizing the NFκB–IκB complex, activating NFκB signaling, and upregulating BCL‐xL and COX2. In contrast to nuclear p21, cytoplasmic p21 enhances spheroid formation and stemness transcription factor CD133.
Arnatchai Maiuthed, Kerstin Huebner, Katharina Erlenbach‐Wuensch, Chuanpit Hampel, Daniela Thalheim, Adriana Vial‐Roehe, Bodee Nutho, Susanne Merkel, Arndt Hartmann, Pithi Chanvorachote, Regine Schneider‐Stock   +10 more
wiley   +1 more source

Ultrahigh‐Temperature Piezoelectric Crystal YbBa3(PO4)3 for Vibration Sensing Application

Advanced Sensor Research, 2023
High‐temperature vibration sensors are of great importance for accurate monitoring of dynamic mechanical conditions in automotive, aerospace and energy‐generation‐related systems.
Guangda Wu, Mengdi Fan, Li Sun, Yanlu Li, Xiufeng Cheng, Xiulan Duan, Fapeng Yu, Xian Zhao   +7 more
doaj   +1 more source

Graphene Nanoribbons via Crystal Engineering [PDF]

Chem, 2016
In this issue of Chem, Rubin and coworkers have developed a new approach for the bottom-up synthesis of graphene nanoribbons by efficiently combining crystal engineering and topochemical polymerization.
Paul J. Evans, Nazario Martín
openaire   +2 more sources