Results 191 to 200 of about 7,636 (247)

Oxygen Vacancy‐Engineered CoFeMo‐LDHs Enables Dual‐Reaction Pathway Synergistic Enhancement of Nanozyme Activity for Intelligent Colorimetric Sensing

Rare Metals, Volume 45, Issue 11, November 2026.
ABSTRACT Defect engineering plays a crucial role in regulating the active sites and reaction pathways of nanozymes. In this work, oxygen vacancies (Vo) were successfully introduced and stably regulated in ternary CoFeMo layered double hydroxide (CFM LDHs) via a microwave‐assisted hydrothermal strategy, leading to the construction of oxygen‐vacancy‐rich
Min An, Weilin Zhong, Yahui Wang, Jianmin Xiao, Guilong Zhang, Geng Tian, Aizhu Wang, Xin Yu, Longwei Wang   +8 more
wiley   +1 more source

From Fundamentals to Engineering Sustainable Triboelectric Materials: A Review of Cellulose Platforms

Small, Volume 22, Issue 61, 2 November 2026.
This review examines cellulose as a sustainable platform for triboelectric nanogenerators, linking molecular structure, surface chemistry, and material engineering to charge generation, retention, and dissipation. Native, regenerated, and nanocellulose materials, functionalization strategies, scalable manufacturing, and diverse applications are ...
Renyun Zhang, Dabo Chen, Jiayong Li, Peihong Wang   +3 more
wiley   +1 more source

Accelerating Phosphate Transport Across Membranes via Synergistic Chemical‐Electrochemical Carriers

Angewandte Chemie, Volume 138, Issue 43, 19 October 2026.
A new membrane design principle based on synergistic chemical and electrochemical carriers is proposed to construct an electro‐driven carrier‐conducting membrane for high‐throughput phosphate transport. Monodispersed ferrihydrite nanoparticles embedded within the membrane act as built‐in phosphate carriers, enabling accelerated phosphate migration via ...
Lei Xia, Yangbo Qiu, Qingzhi Liu, Mengjiao Guan, Xi Zhang, Raf Dewil, Jin Shang, Yan Zhao, Bart Van der Bruggen, Chuyang Tang   +9 more
wiley   +2 more sources

Mechanisms of XCR1 Membrane Trafficking and Constitutive Endocytosis

Basic &Clinical Pharmacology &Toxicology, Volume 139, Issue 5, November 2026.
ABSTRACT Chemokines orchestrate immune cell trafficking through receptor‐mediated signalling and are implicated in inflammatory, autoimmune and neuropathic disorders. The XCL1–XCR1 axis is of particular interest because XCR1 is selectively expressed on mature conventional type 1 dendritic cells (cDC1s), where it supports communication with activated ...
Qiao Li, Fabian Pfersdorf, Fernando Salgado‐Polo, Martin Gustavsson   +3 more
wiley   +1 more source

Interleukin‐12: Central Roles in Immune Regulation and Disease Therapy

Immunology &Cell Biology, Volume 104, Issue 10, Page 996-1014, November‐December 2026.
IL‐12 levels are tightly regulated to balance effective protective immunity against infections and cancer with the risk of excessive inflammation and autoimmune disease. Both insufficient and excessive IL‐12 activity can therefore be detrimental, highlighting the importance of precisely controlling its production and signaling. ABSTRACT Interleukin‐12 (
Anthi Psoma, Geert van den Bogaart
wiley   +1 more source

[Chromatographic determination of ethylenimine in polyethyleneimine].

Gigiena i sanitariia, 1976
I S, Dukhovnaia, N F, Kazarinova
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Polyethyleneimine and Quaternized Ammonium Polyethyleneimine: The Versatile Materials for Combating Bacteria and Biofilms

Journal of Biomaterials Science, Polymer Edition, 2019
Bacterial infection has become a serious clinical concern due to the emergence of drug-resistance and biofilm formation. Therefore, it is in great demand to develop efficient antimicrobial agents to treat bacterial infection without using antibiotics. Herein, we successfully prepared four quaternized ammonium PEI (QPEI: PEI1200-C2, PEI1200-C4, PEI1200 ...
Qianqian Guo, Xiang-Chun Shen, Tianyu Lan   +2 more
exaly   +3 more sources

Transfection by Polyethyleneimine-Coated Microspheres

Journal of Drug Targeting, 2001
Polyethyleneimine (PEI) can be used as a DNA delivery mechanism in cell culture and in vivo. Cells can be transfected by using surface-bound PEI, as well as by PEI/DNA microparticles. In the present experiments we extended these observations by preparing microspheres with covalently attached PEI. Blends of poly(epsilon-CBZ-L-lysine) mixed with poly(D,L-
Zheng Ji, Peter J Hornsby, P J Hornsby
exaly   +3 more sources

New synthesis of linear polyethyleneimine

Polymer Bulletin, 1988
Linear polyethyleneimine was synthesized by the cationic ringopening polymerization of N(2-tetrahydropyranyl)aziridine, followed by acidic hydrolysis of the corresponding substituted polyamine. The linear structure of the end product was proved by 13C-NMR spectroscopy and by its physical properties. Molecular weights up to 25,000 were obtained.
KatrienF. Weyts, EricJ. Goethals
openaire   +2 more sources

Polyethyleneimine in immobilization of biocatalysts

Enzyme and Microbial Technology, 1991
A variety of polymers with amino pendant groups have been accepted as suitable enzyme carriers. A number of synthesis strategies and techniques are adopted to anchor enzymes. The polymers are activated through derivatization either prior to or during adsorption to facilitate the covalent binding of enzyme.
R, Bahulekar, N R, Ayyangar, S, Ponrathnam   +2 more
openaire   +2 more sources