Results 221 to 230 of about 623,539 (276)

Direct Mass Spectrometric Detection of VX, RVX, and Novichok A-Series Nerve Agents for Screening Contaminated Sites Using Atmospheric Pressure Corona Discharge Ionization. [PDF]

Anal Chem
Hirose R, Yamaguchi A, Ohmori T, Kazui Y, Otsuka M, Miyaguchi H, Sekimoto K.   +6 more
europepmc   +1 more source

VOCs Adsorption and Exchange Properties in Bispidine‐Based Mn(II) 1D CPs Made of Orthogonally Oriented Linear Chains

Chemistry – A European Journal, EarlyView.
Combining the chiral bispidine ligand L1 with MnCl2 affords coordination polymers (CPs) with an unusual topology for this family of compounds, consisting of orthogonally packed ribbon‐like one‐dimensional (1D) chains. Their behavior was investigated through single‐crystal‐to‐single‐crystal exchange with aromatic volatile organic compounds (VOCs) and ...
Meriem Goudjil, Martina Lippi, Sara Camorali, Chiara Pelosi, Alessandro Sayed, Luca Bernazzani, Patrizia Rossi, Paola Paoli, Massimo Cametti   +8 more
wiley   +1 more source

Mild C─F Activation of Azido(per)Fluoroalkanes

Chemistry – A European Journal, EarlyView.
Mild and selective activation of C(sp3)–F bonds in azido(per)fluoroalkanes using thiolates was developed, leading to novel functionalized azides. The reaction is initiated by nucleophilic attack of the sulfur atom to the terminal nitrogen of the azido group, followed by fluoride ion elimination.
Olena Shaitanova, María Martínez Mallo, Sergii Suikov, Blanka Klepetářová, Josef Filgas, Petr Slavíček, Lucie Bednárová, Petr Beier   +7 more
wiley   +1 more source

Cross‐Dehydrogenative Coupling Reactions With Redox‐Active Guanidine Reagents

Chemistry – A European Journal, EarlyView.
ABSTRACT Cross‐dehydrogenative coupling (CDC) reactions are attractive and environmentally friendly ways to form new C‐C and other element‐element bonds. Here, we report the first CDC reactions triggered by a redox‐active guanidine reagent. N‐phenyltetrahydroisoquinoline and derivatives with electron‐donating and withdrawing substituents at the N ...
Petra Walter, Olaf Hübner, Hans‐Jörg Himmel   +2 more
wiley   +1 more source

Metal‐Ion Regulated Light‐Free Z→E Isomerization of Azobenzene Glycomacrocycle

Chemistry – A European Journal, EarlyView.
Metal ion‐catalyzed Z→E isomerization of photoswitchable azobenzene glycomacrocycle: A new azobenzene‐based glycomacrocycle is capable of forming a 1:1 complex with divalent metal ions in both E‐ and Z‐isomers. The complexes undergo light‐free Z→E isomerization in a timescale spanning from seconds to weeks.
Yang Zhou, Jinbiao Jiao, Mathieu Lordez, Jean‐Yves Salpin, Juan Xie   +4 more
wiley   +1 more source

Detection and characterization of explosives and explosives residues: a review 2022-2025. [PDF]

Forensic Sci Int Synerg
Clarke MB, Bain RM, Czarnopys GP.
europepmc   +1 more source

The evolution of DESI-MSI: A comprehensive look at preprocessing and quantification strategies for metabolomics. [PDF]

J Food Drug Anal
Yang CH, Ho HY, Chang CY, Cheng ML.
europepmc   +1 more source

Achieving Single-Cell Resolution via Desorption Electrospray Ionization Mass Spectrometry Imaging (DESI-MSI) on Different Platforms. [PDF]

Anal Chem
Colwell N, Chen D, Bhusal D, Peng Z, Yang Z.   +4 more
europepmc   +1 more source

E‑Cigarettes Generate Gas Phase Ions. [PDF]

Environ Health (Wash)
Auvil NC, Bier ME.
europepmc   +1 more source

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Ambient ionization mass spectrometry: A tutorial

Analytica Chimica Acta, 2011
Ambient ionization is a set of mass spectrometric ionization techniques performed under ambient conditions that allows the direct analysis of sample surfaces with little or no sample pretreatment. Using combinations of different types of sample introduction systems and ionization methods, several novel techniques have been developed over the last few ...
Min-Zong Huang, Jentaie Shiea, Yi-Tzu Cho   +2 more
exaly   +3 more sources