Results 71 to 80 of about 10,973 (280)

Isosteric Substitution Enables Rational Design of Two‐Dimensional Energetic Crystals

open access: yesAdvanced Science, EarlyView.
Isosteric substitution transforms a classical nitro–amine motif into two‐dimensional aminofurazans with performance beyond TATB. ABSTRACT Two‐dimensional (2D) energetic crystals dissipate mechanical insult via interlayer slip, yet their molecular design space remains narrow.
Linyuan Wen   +6 more
wiley   +1 more source

A Steroid-Conjugated Contrast Agent for Magnetic Resonance Imaging of Cell Signaling [PDF]

open access: yes, 2005
We have synthesized the first steroid hormone−MR contrast agent conjugate designed to track the cell signaling process upon binding to a gene switch system.
Anderson, David J.   +5 more
core   +1 more source

Bromcyan und Hydroxylamine [PDF]

open access: yesBerichte der deutschen chemischen Gesellschaft, 1904
n ...
openaire   +3 more sources

Covalent Reprogramming of Kinase Binders to Modulate Protein Abundance

open access: yesAdvanced Science, EarlyView.
Electrophilic remodeling of a broad‐spectrum kinase binder reveals how subtle chemical changes reprogram protein fate. An acrylamide analog of a multi‐kinase binder selectively stabilizes Aurora kinase A (AURKA) by suppressing its ubiquitination, while a short‐linker variant converts this stabilizer into a degrader.
Chen Mozes   +4 more
wiley   +1 more source

Merging Biocatalysis and Chemocatalysis in Flow: State‐of‐the‐Art and Future Directions for Sustainable Synthesis

open access: yesAngewandte Chemie, EarlyView.
This review highlights recent advances in integrating biocatalysis and chemocatalysis in continuous flow to create streamlined, sustainable processes. It examines chemo‐enzymatic cascades combining at least one enzymatic and one chemical step, discusses challenges such as enzyme immobilization, leaching, and reactor clogging, and presents solutions ...
Petros Siasiaridis   +2 more
wiley   +2 more sources

Palmitic Acid Promotes Antiviral Innate Immunity via ZDHHC20‐Mediated CMPK2 Palmitoylation

open access: yesAdvanced Science, EarlyView.
Metabolites have important functions in innate immune activation and regulation. Wang et al. uncover metabolic regulation of antiviral immunity through CMPK2 palmitoylation, which regulates CMPK2 mitochondrial localization and is promoted by ZDHHC20 but reversed by PPT1, inhibition of which antagonizes viral infection in mice.
Yujia Wang   +4 more
wiley   +1 more source

Chemical Metabolomics: Chemical Biology Tools for Advanced Metabolism Investigations

open access: yesAngewandte Chemie, EarlyView.
The human metabolism has been investigated for several millennia. The metabolome is known for a high complexity due to a large number of different metabolites that are present at different concentrations. Metabolomics has been developed as a field to investigate the entire human metabolome and to elucidate disease development mechanisms.
Alejandro Torregrosa‐Chinillach   +4 more
wiley   +2 more sources

Mechanism of Two-/Four-Electron Reduction of Nitroaromatics by Oxygen-Insensitive Nitroreductases: The Role of a Non-Enzymatic Reduction Step

open access: yesMolecules, 2018
Oxygen-insensitive NAD(P)H:nitroreductases (NR) reduce nitroaromatics (Ar-NO2) into hydroxylamines (Ar-NHOH) through nitroso (Ar-NO) intermediates. Ar-NO may be reduced both enzymatically and directly by reduced nicotinamide adenine dinucleotide or its ...
Benjaminas Valiauga   +5 more
doaj   +1 more source

Asymmetric organocascades involving the formation of two C-heteroatom bonds from two distinct heteroatoms [PDF]

open access: yes, 2012
International audienceIn the vast and expanding world of enantioselective organocascades, the ones in which two C-heteroatom bonds are created from two distinct heteroatoms are rare.
Bonne, Damien   +3 more
core   +3 more sources

Discovery of a Potent Fluorescence Polarization Probe for Identifying USP1 Allosteric Inhibitors

open access: yesAdvanced Science, EarlyView.
This study presents the first ubiquitin‐specific protease 1 (USP1) allosteric fluoroprobe and fluorescence polarization assay, enabling the differentiation of allosteric and catalytic site inhibitors. Further, a novel class of tetrahydroisoquinoline‐based USP1 inhibitors is designed, with compound 14a (USP1 IC50 = 29.9 nM) showing strong selectivity ...
Jiawei Cheng   +12 more
wiley   +1 more source

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