Results 81 to 90 of about 10,821 (234)

Advances in Aptamer Drug Delivery Systems for Treatment of Glioblastoma

open access: yesAdvanced Science, EarlyView.
Aptamers have remarkable recognition capacity which is suitable for assisting drug delivery for GB. This review demonstrates that aptamers have great potential as targeted therapeutic carriers, conjugated to various therapeutic carriers, using a range of conjugation strategies and chemistries.
Alexandra R. Paul   +4 more
wiley   +1 more source

Flavin Catalysts in Organic Synthesis

open access: yesAngewandte Chemie, EarlyView.
Flavins and their congeners are potent catalysts for organic synthesis inspired by enzymatic transformations. In addition to catalysis in the flavin ground state via covalent intermediates, the excited singlet and triplet states unlock applications including photooxidation, photoreduction, and energy transfer via sensitization.
Jan Freudenberg, Golo Storch
wiley   +2 more sources

Acid‐Responsive Nanobot‐Integrated Core‐Shell Microneedles Reprogram the Degenerative Annulus Fibrosus Microenvironment Through Epigenetic Suppression of Ferroptosis

open access: yesAdvanced Science, EarlyView.
An acid‐responsive core‐shell microneedle system normalizes the degenerative annulus fibrosus microenvironment by consuming pathological H+, generating O2, and providing NIR‐amplified redox buffering. Mechanistically, it epigenetically suppresses ferroptosis via DNMT3A‐dependent methylation of the ATF3 promoter, relieving ATF3‐mediated repression of ...
Lu Tan   +7 more
wiley   +1 more source

Modulating Covalent Organic Framework Nanochannel Microenvironments for Sustainable Hydrogen Peroxide Photosynthesis

open access: yesAngewandte Chemie, EarlyView.
Alkoxy side chains regulate hydrazone‐linked COF nanochannel microenvironments by tuning pore polarity, reactant adsorption, and charge‐separation behavior. The optimized framework facilitates oxygen activation and hydrogen peroxide photosynthesis in real water and a 1 L natural‐sunlight reactor. LCA further shows that natural sunlight and larger‐scale
Ruixue Sun   +11 more
wiley   +2 more sources

TROP2‐Targeting Chimeras (TRTACs) for Tumor Cell‐Selective Membrane Protein Degradation and Enhanced Drug Delivery

open access: yesAdvanced Science, EarlyView.
TROP2 is identified as a novel tumor‐selective lysosomal‐targeting receptor with established clinical relevance. TROP2‐targeting chimeras (TRTACs) are developed by genetically fusing a TROP2‐binding nanobody to nanobodies against specific target proteins.
Luping Chen   +10 more
wiley   +1 more source

Induction of Methuosis in Breast Cancer Stem Cells by a Cobalt(III) Complex Evokes Immunotherapeutic Response

open access: yesAngewandte Chemie, EarlyView.
Cancer stem cells (CSCs) drive metastasis, relapse and resist conventional apoptosis‐inducing chemotherapies. We report a cobalt(III)‐cyclam complex with pyrene and diflunisal moieties that reduces the viability of breast CSCs at low micromolar concentrations.
Jiaxin Fang   +7 more
wiley   +2 more sources

Synthesis, Crystal Structures, and Catalytic Oxidation Property of Oxidovanadium(V) Complexes with Hydrazone and Hydroxamate Ligands

open access: yesActa Chimica Slovenica, 2014
Two new hydrazone ligands were synthesized and characterized by common spectroscopic and analytical methods. Two new oxidovanadium(V) complexes with the hydrazone ligands and hydroxamate ligands were synthesized and characterized by infrared spectra and ...
Kui-Hua Yang
doaj  

Synthesis and Antimicrobial Studies of Coumarin-Substituted Pyrazole Derivatives as Potent Anti-Staphylococcus aureus Agents

open access: yesMolecules, 2020
In this paper, synthesis and antimicrobial studies of 31 novel coumarin-substituted pyrazole derivatives are reported. Some of these compounds have shown potent activity against methicillin-resistant Staphylococcus aureus (MRSA) with minimum inhibitory ...
Rawan Alnufaie   +6 more
doaj   +1 more source

Pyridyl-Acyl Hydrazone Rotaxanes and Molecular Shuttles [PDF]

open access: yes, 2017
We report on rotaxanes featuring a pyridyl-acyl hydrazone moiety on the axle as a photo-/thermalswitchable macrocycle binding site. The pyridyl-acyl E-hydrazone acts as a hydrogen bonding template that directs the assembly of a benzylic amide macrocycle ...
F. Tuba Yasar   +11 more
core   +1 more source

Supramolecular Chiral Assemblies from Benzoselenadiazole‐Alanine‐Acylhydrazone Conjugates Enable Cardioprotection

open access: yesAdvanced Science, EarlyView.
The C3‐symmetric conjugate TASe, which integrates benzoselenadiazole, alanine, and acylhydrazone modules, self‐assembles into a chalcogen‐/hydrogen‐bonded porous framework in the solid state and uniform chiral nanospheres in aqueous media. These assemblies protect cardiomyocytes from doxorubicin‐induced oxidative injury by scavenging intracellular ...
Jinkui Teng   +11 more
wiley   +1 more source

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