Results 141 to 150 of about 5,727,139 (328)

Conjugated Porphyrin Polymer With Superior Charge Transfer for Photodynamic‐Immunomodulatory Prevention of CIED Infection in Diabetes

Advanced Healthcare Materials, EarlyView.
Under NIR irradiation, PTCPP generates ROS to eliminate MRSA biofilms and promote M1 macrophage polarization for phagocytosis. After bacterial clearance, the material is phagocytosed by macrophages, shifting their polarization to M2 phenotype via metabolic reprogramming, which synergistically enhances anti‐infection therapy and wound healing.
Honghao Ma, Jinguo Xu, Rongrong Gu, Chuanhui Dong, Te Chen, Yi Mu, Jing Zhu, Yating Wang, Wen Wang, Yingying Zhang, Hongyu Ma, Xiaochen Wang, Sheng Ye, Cheng Cheng   +13 more
wiley   +1 more source

Threshold Energy Effects in Secondary Electron Emission

Microscopy and Microanalysis, 1999
Abstract In large bandgap semiconductors and insulators, the threshold energies for e–h pair production and ionization damage can lie above the vacuum level. For low energy imaging, a window is then opened whose width is potentially sensitive to local changes in
openaire   +2 more sources

Rare‐Earth–Functionalized Carbon Dot Hydrogels as Mechanically Robust Antibacterial Wound Dressings

Advanced Healthcare Materials, EarlyView.
The schematic depicts a dynamically cross‐linked PVA hydrogel network in which reversible borate ester bonds and hydrogen‐bonding interactions integrate lanthanum‐doped carbon dots (La‐CDs) and dipotassium glycyrrhizinate (DPG) to form a mechanically robust, multifunctional matrix.
Shih‐Han Tsai, Ramadhass Keerthika Devi, Muthusankar Ganesan, Guo‐Ping Chang Chien, Chun Che Lin   +4 more
wiley   +1 more source

Resolving the contradiction between simulation and experimental results of using gold nanoparticles in proton therapy

Scientific Reports
While gold nanoparticles (GNP)s in proton therapy are widely assumed to exert radio-sensitization via mechanism of secondary electron emission, the discrepancies between simulations and experimental outcomes shows that, in some cases, the secondary ...
Farshid Tabbakh
doaj   +1 more source

Mechanism of Change in The Emission and Optical Properties of W and Mo After Bombardment with Low-Energy Ions

East European Journal of Physics
The paper reports the results of study of composition, emission, and optical properties of polycrystalline W and Mo samples implanted with Ba+ ions and coated with submonolayer Ba atoms by applying Auger electron spectroscopy, secondary electron emission
D.А. Tashmukhamedova, B.E. Umirzakov, Y.S. Ergashov, F.Y. Khudaykulov, Kh.E. Abdiev   +4 more
doaj   +1 more source

Chapter 14. Electron Emission Standed Nanodosimetry and Gas Detection

Photoelectron (PE) and thermostimulated exoelectron (TE) emission spectroscopies were explored for gas sensing and electron radiation nanodosimetry. Silicon substrates were in use as the working matter for benzene and isopentane sensing. PbS nanocrystals
Krumpāne, Diāna, Reisfeld, Renata, Perovicha, Kristīne, Saraidarov, Tsiala, Romanova, Marina, Surkova, Indra, Dehtjars, Jurijs   +6 more
core  

Targeting CD300a Signaling With a Phosphatidylserine‐Presenting Hydrogel Rescues Macrophage Dysfunction and Accelerates Diabetic Wound Healing

Advanced Healthcare Materials, EarlyView.
Schematic illustration of the proposed mechanism: PEG/RGD‐PSLs mimic apoptotic cells to engage PS receptors (notably CD300a), transducing an inhibitory signal that suppresses the MyD88/NF‐κB pathway, leading to global anti‐inflammatory and pro‐reparative effects.
Lele Wu, Xuetong Hao, Yang Zou, Xinglin Chen, Junyan Kong, Chunning Gu, Wenjie Ma, Zhongjun Yang, Huifen Liu, Mengmeng Liu, Xin Tong   +10 more
wiley   +1 more source

An Engineered Biomimetic Nanoreactor With Cascade Functions for Targeted and Combinatorial Therapy of Ischemic Stroke

Advanced Healthcare Materials, EarlyView.
Preparation of RVG‐modified erythrocyte membrane‐coated HMPB nanocarriers loaded with L‐arginine and NBP (RM@HPAN) and its neuroprotective mechanism. After intravenous injection, RM@HPAN achieves prolonged circulation, RVG‐29‐mediated BBB penetration, and ischemic accumulation.
Shaofa Li, Ying Wu, Huimin Wei, Jinyong Teng, Zaizhi Yang, Jufang Chen, Bao Liao, Xiaoqin Huang, Lanqing Meng, Tong Li   +9 more
wiley   +1 more source

SECONDARY ELECTRON EMISSION MECHANISM IS SPACECRAFT CHARGING [PDF]

, 2017
This work presents the importance of the role of secondary electron emission in spacecraft ...
Кулешов, Д. С., Kyleshov, D. S.
core  

Self‐Healing Hydrogel‐Enabled Modular Assembly of Bilayered Skin Construct for Hair Follicle Regeneration

Advanced Healthcare Materials, EarlyView.
Self‐healing assembly of two cell‐laden hydrogel layers creates a biomimetic skin construct that restores both dermal and epidermal functions, resulting in accelerated wound healing and enhanced hair follicle regeneration in a full‐thickness skin wound model. ABSTRACT Alopecia remains a pervasive clinical challenge, largely owing to the limited ability
JaeWook Park, Su Yong Kim, MinSu Jeong, Beom Joon Kim, Shin Hyuk Kang, Won‐Gun Koh   +5 more
wiley   +1 more source