Results 121 to 130 of about 76,223 (304)

Variability of Bioactive Glucosinolates, Isothiocyanates and Enzyme Patterns in Horseradish Hairy Root Cultures Initiated from Different Organs

open access: yesMolecules, 2019
Horseradish hairy root cultures are suitable plant tissue organs to study the glucosinolate−myrosinase−isothiocyanate system and also to produce the biologically active isothiocyanates and horseradish peroxidase, widely used in molecular ...
Regina Bertóti   +7 more
doaj   +1 more source

Illuminating the Path of Rearrangement: Visible Light‐Driven Pd‐Catalyzed Substituted Olefins Synthesis

open access: yesAdvanced Synthesis &Catalysis, EarlyView.
Abstract Pd‐catalyzed reactions are among the most straightforward and efficient methods to proficiently build Csp2‐Csp2 bonds. Nevertheless, thermal activation remains mandatory in most cases, which may decrease the compatibility with sensitive functional groups.
Jenifer Sharshonov   +7 more
wiley   +1 more source

Bifunctional monomers having terminal oxime and cyano or amidine groups [PDF]

open access: yes, 1981
The preparation of crosslinked 1,2,4-oxadiazole elastomers is described. The technique involves thermally condensing (1) a monomer having the formula H2N(HON)C-R-Q, wherein Q is a triazine ring-forming groups such as nitrile or amidine or a mixture of ...
Kwongs, H.   +2 more
core   +1 more source

Regio‐, Stereoselective, Aerobic and Metal‐Free Synthesis of Z‐Vinyl Sulfides: One‐Pot Hydroiodination of Internal Alkynes and in situ Sulfenylations

open access: yesAdvanced Synthesis &Catalysis, EarlyView.
Abstract A novel, metal‐free, air‐ and moisture‐compatible one‐pot tandem protocol for the regio‐ and stereoselective synthesis of Z‐vinyl sulfides (achieving yields up to 99%), is reported. This straightforward and efficient process combines the selective hydroiodination of internal alkynes, promoted by the eutectic mixture choline iodide (ChI)/p‐TsOH
Gloria Morís‐Menéndez   +5 more
wiley   +1 more source

Doping of Graphene Nanoribbons via Functional Group Edge Modification [PDF]

open access: yesarXiv, 2017
We report on the on-surface synthesis of 7 armchair graphene nanoribbons (7-AGNRs) substituted with nitrile (CN) functional groups. The CN groups are attached to the GNR backbone by modifying the 7-AGNR precursor. While many of these groups survive the on-surface synthesis, the reaction process causes the cleavage of some CN from the ribbon backbone ...
arxiv  

Computational Modeling and Experimental Approaches for Understanding the Mechanisms of [FeFe]‐Hydrogenase

open access: yesAdvanced Science, EarlyView.
A comprehensive understanding of hydrogenases' structures and catalytic mechanisms is crucial to replicate and exceed their performance. Computational modeling has proven to be a powerful tool for elucidating the reduction chemistry of [FeFe]‐hydrogenases. This review overviews recent computational and experimental efforts, focusing on DFT calculations
Chang‐Ah Kim   +4 more
wiley   +1 more source

Giant reversible barocaloric effects in Nitrile Butadiene Rubber around room temperature [PDF]

open access: yesarXiv, 2018
Elastomers have shown to be promising barocaloric materials, being suitable candidates for solid-state cooling devices. Moreover, this family of polymers presents additional advantages, such as their low cost and long fatigue life. In this context, we investigated the barocaloric effects in Nitrile Butadiene Rubber (NBR) in a large range around room ...
arxiv  

Self‐Maintainable Electronic Materials with Skin‐Like Characteristics Enabled by Graphene‐PEDOT:PSS Fillers

open access: yesAdvanced Science, EarlyView.
Graphene‐PEDOT:PSS fillers revolutionize soft electronics by transforming jelly‐like materials into skin‐like systems with self‐healing, heat‐responsiveness, and multiplex sensing capabilities. This novel material exhibits exceptional printability, flexibility, and adhesiveness, enabling seamless integration into bioelectronics and tissue‐cyborganic ...
Morteza Alehosseini   +7 more
wiley   +1 more source

Secondary ion mass spectrometry and x-ray absorption near-edge structure spectroscopy of isotopically anomalous organic matter from CR1 chondrites GRO 95577 [PDF]

open access: yes, 2007
We located interstellar organics from a CR1 chondrite with NanoSIMS and analyzed FIB-extracted sections with XANES. D-rich material appears not associated with a functional group, whereas 15N-rich matter shows some affinity to nitrile ...
Alexander, C. M. O'D.   +7 more
core  

Intracellular Formation of Synthetic Peptide Nanostructures Causes Mitochondrial Disruption and Cell Death in Tumor Spheroids

open access: yesAdvanced Science, EarlyView.
Synthetic peptide nanostructures, formed within cancer cells in response to glutathione, lead to mitochondrial dysfunction and cell death. The nanostructures significantly damage mitochondrial networks, impair cellular respiration, and induce cell death in both 2D cultures and 3D tumor spheroids.
Sarah Chagri   +13 more
wiley   +1 more source

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