Results 191 to 200 of about 108,209 (305)

A Smart Ru‐Locked Chemiluminescence Probe via Bioorthogonal Activation for Highly Selective, Real‐Time and Noninvasive In Vivo Imaging of Thiol Dysregulation

open access: yesAggregate, EarlyView.
A smart Ru‐catalyzed chemiluminescence probe based on phenoxy‐adamantyl‐1,2‐dioxetane (PAD) scaffolds is developed for highly sensitive, real‐time in vivo imaging. Featuring a Ru‐locked activation mechanism and a chemiluminophore synthesized via an optimized route, this noninvasive probe enables selective, light‐independent detection of H₂S and thiol ...
Dongnan Guo   +11 more
wiley   +1 more source

Density Functional Theory–Spectroscopy Integrated Identification Method Encompassing Experimental and Theoretical Analyses for Designer Drug Stimulants

open access: yesAdvanced Intelligent Systems, EarlyView.
A novel approach integrates gas chromatography‐mass spectrometry with infrared, Raman, and nuclear magnetic resonance spectroscopy plus density functional theory to detect synthetic drugs. Quantum hyperpolarization further boosts NMR sensitivity for low‐concentration samples, improving detection accuracy in complex mixtures and offering promising ...
Keunhong Jeong   +8 more
wiley   +1 more source

THE PURIFICATION OF COENZYME A BY ION EXCHANGE CHROMATOGRAPHY

open access: yesJournal of Biological Chemistry, 1953
Earl R. Stadtman, Arthur Kornberg
openaire   +3 more sources

Synthesis of Benzodithieno[5.5.5.6]Fenestranes: Unexpected Epimerization and Regiochemical Outcomes

open access: yesAsian Journal of Organic Chemistry, EarlyView.
Isomeric [5.5.5.6]fenestranes annulated with one benzene and two thiophene rings are accessible via di‐2‐ and di‐3‐thienylspirane intermediates. The key double cyclization step involves surprising stereoselectivity and regioselectivity. In particular, cis‐di(2‐thienyl)spirane precursors lead to the all‐cis‐fenestrane skeleton by an unexpected acid ...
Björn Bredenkötter   +5 more
wiley   +1 more source

High‐Entropy Sulfides Catalyze Rate‐Determining Redox in Fast‐Charging Aqueous Zinc–Sulfur Batteries

open access: yesAngewandte Chemie, EarlyView.
This work reveals how entropy regulates sulfur utilization and cycling stability in aqueous Zn–S batteries. High‐entropy (HES) catalysts enable optimized Zn–S redox pathways and structural integrity, achieving high sulfur utilization and stable cycling.
Jiahao Liu   +3 more
wiley   +2 more sources

Thiophene Containing Polycyclic Aromatic Hydrocarbon Monkey Saddles

open access: yesAsian Journal of Organic Chemistry, EarlyView.
A series of thiophene containing polycyclic aromatic hydrocarbon monkey saddles is presented. The core structure was successfully functionalized to tune the optoelectronic properties and furthermore path the way to use these monkey saddles as building block, for example for oligomeric structures as well as organic cage compounds.
Tobias Kirschbaum   +6 more
wiley   +1 more source

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