Results 101 to 110 of about 37,778 (278)

Ultra‐Low Intensity Continuous Wave Laser Ablation Propulsion With Graphene‐Engineered Wood

Advanced Science, EarlyView.
Graphene delignified wood converts continuous wave laser energy into thrust. Laser propulsion experiments in vacuum reveal the lowest laser ablation threshold intensities and the greatest density‐normalized specific impulse in literature. The results highlight graphene delignified wood as a potential efficient, sustainable, strong, and lightweight ...
Afnan S. M. Elmubasher, Rami Elkaffas, Mohamed Hamid Salim, Basel Altawil, Chanaka Sandaruwan, Shanavas Shajahan, Ahsan Baidar Bakht, Irfan Hussain, Blaise L. Tardy, Sean S. M. Swei, Yarjan Abdul Samad   +10 more
wiley   +1 more source

Carbanion Translocations via Intramolecular Proton Transfers: A Quantum Chemical Study [PDF]

, 2017
Intramolecular proton transfers are important processes in chemical reactions and biological transformations. In particular, the translocation of reactive carbanion centers can be achieved through 1,n-proton transfer in either a direct or an assisted ...
Wang, Yi, Yi Wang, Yu, Zhi-Xiang, Zhi-Xiang Yu, Cai, Pei-Jun, Pei-Jun Cai   +5 more
core   +1 more source

Theoretical and experimental investigations on the structure and vibrational spectra of 6-amino-3-methyl-1-phenyl-1H-pyrazolo-[3,4-b]pyridine-5-carboxylic acid and 6,7-dihydro-3-methyl-6-oxo-1-phenyl-1H-pyrazolo[3,4-b]pyridine-5-carbonitrile [PDF]

Journal of the Serbian Chemical Society, 2009
The solid phase FT-IR and FT-Raman spectra of 6-amino-3-methyl-1-phenyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid (PYRPCA) and 6,7-dihydro-3-methyl-6-oxo-1-phenyl-1H-pyrazolo[3,4-b]pyridine-5-carbonitrile (PYRPCN) were recorded in the region 4000–400 ...
KHALED BAHGAT, NAZM AL-DEN JASEM, TALAAT EL-EMARY   +2 more
doaj  

Spatially Separated Redox Centers in One‐Dimensional Sp2‐Carbon Covalent Organic Frameworks Enable Synergistic Photocatalytic Palladium Recovery and Bisphenol A Mineralization

Advanced Science, EarlyView.
A one‐dimensional sp2‐carbon covalent organic framework with spatially segregated redox centers integrates a dual photosensitizing system and a cationic interface for synergistic photocatalysis. The material achieves exceptional palladium recovery (1749 mg g−1) and bisphenol A mineralization (0.1710 min−1) without sacrificial agents, demonstrating ...
Yi‐Ru Chen, Jing‐Yi Li, Yao Xiao, Dan Zhong, Lu Zhang, Yu‐Ting Xie, Xiu Wang, Yibao Li, Wei‐Rong Cui, Jian‐Ding Qiu   +9 more
wiley   +1 more source

A Novel Approach Based on Acceptor–Donor–Acceptor Type Molecules Enhances the Therapeutic Efficacy and Safety of Photothermal Therapy for Osteosarcoma

Advanced Science, EarlyView.
Jin et al. developed IEICO‐F nanoparticles with enhanced photothermal conversion efficiency via optimized push‐pull effect. Under 808 nm laser, these nanoparticles effectively generated heat to kill osteosarcoma cells and exhibited significant tumor suppression in vivo. Therefore, this novel A‐D‐A type molecule‐based photothermal therapy strategy holds
Zhijian Jin, Hongru Wang, Yi Yang, Yuhang Xie, Yuan Zhang, Zhiye Du, Yi Huang, Wei Guo, Yang Li, Shidong Wang   +9 more
wiley   +1 more source

Metal Ion-Promoted Intramolecular Electron Transfer in a Ferrocene-Naphthoquinone Linked Dyad. Continuous Change in Driving Force and Reorganization Energy with Metal Ion Concentration [PDF]

, 2016
Thermal intramolecular electron transfer from the ferrocene (Fc) to naphthoquinone (NQ) moiety occurs efficiently by the addition of metal triflates (Mn+:  Sc(OTf)3, Y(OTf)3, Eu(OTf)3) to an acetonitrile solution of a ferrocene-naphthoquinone (Fc-NQ ...
Ken Okamoto (778187), Shunichi Fukuzumi (1326822), Hiroshi Imahori (1270452)   +2 more
core   +1 more source

Advanced Multiscale Modeling for Revealing Anomalous Fluid Transport Induced by Confinement Interfacial Layer Reconstruction in Sub‐10 nm Space

Advanced Science, EarlyView.
Integrating experimental insights with molecular dynamics simulations, we establish an advanced mathematical model for fluids confined in sub‐10‐nm channels, enabling quantitative prediction of interfacial layer thickness and viscosity by accounting for channel material, temperature, and fluid properties.
Xiang Zhang, Bing Wei, Jingyi Wang, Runnan Wu   +3 more
wiley   +1 more source

Aptamer‐Directed Porous DNA Nanocomposite Hydrogel for Active Pulp Preservation: Immunomodulation, Stem Cell Recruitment and Reparative Dentinogenesis

Advanced Science, EarlyView.
This study presents an injectable DNA‐based porous hydrogel integrating catechol motifs and targeting aptamers for pulpitis management. Upon in situ crosslinking, the scaffold actively recruits endogenous dental pulp stem cells, restores redox homeostasis, and modulates immune responses.
Luhui Cai, Huan Yu, Zihan Ni, Kan Chen, I‐Chen Tsai, Zeyu Bao, Shuo Sun, Weichang Li, Yunhua Chen, Qiong Xu   +9 more
wiley   +1 more source

Novel single-molecule force spectroscopy approaches to characterize interactions of membrane proteins [PDF]

, 2012
: Atomic force microscopy (AFM) based single-molecule force spectroscopy (SMFS) is a biophysical tool used to investigate folding and unfolding of biological macromolecules, like membrane proteins. Unfolding of single membrane proteins can be recorded by
Zocher, Michael
core   +1 more source

Atomic force microscopy simulations for CO-functionalized tips with deep learning

Machine Learning: Science and Technology
Atomic force microscopy (AFM) operating in the frequency modulation mode with a metal tip functionalized with a CO molecule is able to image the internal structure of molecules with an unprecedented resolution. The interpretation of these images is often
Jaime Carracedo-Cosme, Prokop Hapala, Rubén Pérez   +2 more
doaj   +1 more source