Results 91 to 100 of about 13,090 (233)

Probing the molecular determinants of emission enhancement in RNA aptamer–metal complex systems

Photochemistry and Photobiology, EarlyView.
Light up aptamer: fluorophore pairs are widely used in sensing and imaging, with coordination complex fluorophores providing specific benefits due to their long‐lived emission. Here, we examined key structural and electronic features of these metal complexes to identify the requirements for productive engagement with an RNA aptamer.
Sarah M. Kriger, Joseph Spiconardi, Nathan Ennist, Edith C. Glazer   +3 more
wiley   +1 more source

Microbiome‐mediated chemical communication in insects: Implications for pest management

Pest Management Science, Volume 82, Issue 9, Page 8132-8151, September 2026.
Microbiome–semiochemical interactions involve the following processes: direct microbial synthesis, host gene regulation, precursor biotransformation, microbiome modulation and indirect ecological signaling. Abstract Insects rely on semiochemicals to regulate aggregation, mating, foraging, and host selection. This review synthesizes evidence that insect‐
Ioannis Eleftherianos, Wei Zhang, Amr Mohamed, Rasha K. Al‐Akeel, Abeer M. Alkhaibari, Nemat Keyhani, Guy Smagghe   +6 more
wiley   +1 more source

Fast and Sensitive Measurement of Off‐Flavors in Recirculating Aquaculture Systems

Rapid Communications in Mass Spectrometry, Volume 40, Issue 15, 15 August 2026.
ABSTRACT Rationale Geosmin and 2‐methylisoborneol (2‐MIB) are odor‐active compounds responsible for earthy off‐flavors in fish, creating significant quality concerns in recirculating aquaculture systems (RAS). Their extremely low odor thresholds make rapid and highly sensitive detection essential for maintaining product quality and consumer acceptance ...
Pedro Martínez Noguera, Sylvester Holt, Raju Podduturi, Wender L. P. Bredie, Jonathan D. Beauchamp, Mikael A. Petersen   +5 more
wiley   +1 more source

New‐Era Polymer Thermoelectrics: Material Innovations, Doping Frontiers, Decoupling Strategies, and Unconventional Applications

Advanced Materials, Volume 38, Issue 43, 3 August 2026.
The field of polymer thermoelectrics is entering a new era, featuring breakthroughs in addressing the conventional performance disparity between p‐type and n‐type polymers, pioneering doping frontiers, and sophisticated decoupling strategies. This review explores innovations in molecular design and superior stabilities, bridging the gap from ...
Suhao Wang
wiley   +1 more source

Molecular structures and in Silico molecular docking of new pyrazine-based heterocycles as antibacterial agents

BMC Chemistry
Compound 2-(2-cyanoacetamido)pyrazine (3) serves as a key precursor for synthesizing various new pyrazine-linked heterocycles, including pyridine, thiazole, pyrazole, chromene, and pyrazolotriazine derivatives.
Mohamed R. Elmorsy, Sara H. Yousef, Ehab Abdel-Latif, Safa A. Badawy   +3 more
doaj   +1 more source

Pyrazine Revisited

Journal of Chemical Physics, 1986
Pyrazine is shown by its Molecular Eigenstate Spectra and by its quantum beats to be a small molecule. The effect of Coriolis coupling and non-resonant light scattering are discussed. This paper further treats the so-called "fast component". Its existence with a decay time of about 100 psec has by now been firmly established. It finds its cause in the "
Drabe, Karel E., Jonkman, Harry Th., Kommandeur, Jan   +2 more
openaire   +1 more source

A Catalytic Osmium Redox Couple Collapses Cancer Redox Balance

Advanced Science, Volume 13, Issue 43, 3 August 2026.
A stable Os(III)/Os(IV) redox couple is developed to disrupt the tumor cell redox balance by concurrently catalyzing ROS generation and GSH depletion. Osmium‐treated cells exhibit multiple cell death pathways, including apoptosis, ferroptosis, and immunogenic cell death.
Wan‐Qiong Huang, Tao Huang, Yiming Hao, Gui‐Feng Huang, Yi‐Lang Yan, Xin Fang, Ying Chen, Xiao‐Long Wei, Wai‐Lun Man, Wen‐Xiu Ni   +9 more
wiley   +1 more source

Ecology and evolution of pyrazines in insects

Biological Reviews, Volume 101, Issue 4, Page 1937-1959, August 2026.
ABSTRACT Chemical communication is the oldest and most widespread form of signalling among and within organisms. Among the many compounds involved in such communication, pyrazines – nitrogen‐containing heterocyclic molecules – are especially intriguing due to their widespread occurrence across the tree of life, from bacteria and fungi to insects and ...
Zowi Oudendijk, Niklas Wahlberg, Johanna Mappes   +2 more
wiley   +1 more source

Mechanochemistry as an Emerging Tool for Organofluorine Chemistry

Chemistry–Methods, Volume 6, Issue 8, August 2026.
Fluorinated scaffolds are central across many areas of chemistry, driving the demand for efficient and sustainable synthetic methods. Mechanochemistry has emerged as a powerful alternative to conventional approaches, offering reduced environmental impact, shorter reaction times, and unique reactivity and selectivity.
Marie Caldiero, Nicolas Delcroix, Vitalii Solomin, Thomas Castanheiro   +3 more
wiley   +1 more source

Identification of Volatile Odor Compounds in Extracts of Four Types of Herbaceous Plant Spices via GC × GC–O‐TOF MS

eFood, Volume 7, Issue 4, August 2026.
In this study, sensory evaluation, electronic nose, solid‐phase microextraction, and comprehensive two‐dimensional gas chromatography‐olfactometry‐time‐of‐flight mass spectrometry were used to analyze the volatile compounds and key odor‐active components in the extracts of sour horn, alfalfa, chicory, and fenugreek, and a total of 59 odor‐active ...
Suxing Tuo, Qinghui Jia, Shuang Bi, Yixin Dai, Ting Deng, Hongbing Lu, Jiaxiao Cai, Zifeng Li, Cheng Yang, Kejun Zhong, Bo Kong, Ye Liu   +11 more
wiley   +1 more source