The Chemical Record, EarlyView.This review highlights the characteristic odor markers of illicit drugs, emphasizing volatile markers from both natural and synthetic sources, and explores the shift from canine‐based detection to emerging noncontact sensing technologies. Illicit drug use remains a global concern, requiring effective detection methods to counter evolving concealment ...
Minwoo Kim +4 more
wiley +1 more source
Thermal stability of the DPT reaction system synthesized by acetic anhydride method [PDF]
Zhi Wang +7 more
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Effect of pH and acetic anhydride concentration on physicochemical characteristics of acetylated sago starch [PDF]
, 2022 Abdul Rahim +10 more
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Preparation of organic hydrazides [PDF]
, 1959 Thesis (M.A.)--Boston UniversityDue to the actual high price of hydrazine, this chemical cannot be used in an economical preparation of organic hydrazides. A synthesis of such hydrazides can be envisaged by the reduction of N-nitroamides.
Amiel, Jean-Pierre L.
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Boreas, EarlyView.Palaeoecological studies reporting long‐term development histories of subarctic fens—explicitly, orohemiarctic peatlands—are scarce, and overall, permafrost‐free peatlands located in the immediate vicinity of permafrost zones have received little attention in Fennoscandia. Here, we use a multiproxy approach to study the millennial‐scale dynamics of two
Sanna R. Piilo +6 more
wiley +1 more source
Angewandte Chemie, Volume 138, Issue 4, 22 January 2026.Diazirines are three‐membered, nitrogen‐containing heterocycles that decompose under light or heat to generate carbenes. For the past two decades, they have served mainly as minimally invasive tags in photoaffinity labeling (PAL). More recently, their value as versatile carbene precursors has been recognized.
Dominik Schnalzer +4 more
wiley +2 more sources
Study of improved resins for advanced supersonic technology composites. Part 1: Heteroaromatic polymers containing ether groups. Part 2: Curing chemistry of aromatic polymers and composite studies [PDF]
Fourteen ether-containing, aromatic dianhydrides have been synthesized from N-phenyl-3 or 4-nitrophthalimide and various bisphenols. The process involves nucleophilic displacement of activated nitro groups with bisphenolate ions.
Hillig, W. B. +2 more
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Intrinsic specificity of a ‘core’ TIP60 acetyltransferase complex in Drosophila
The FEBS Journal, EarlyView.The intrinsic substrate selectivity of the Drosophila TIP60‐core acetyltransferase was determined using synthetic nucleosome arrays. Targeted mass spectrometry revealed site‐specific acetylation of histones H2A, H2A.V, and H4, uncovering distinct acetylation rates and patterns across individual lysines.
Silke Krause +5 more
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Translation‐Promoting Effects of RNA Template Overhangs in the Absence of Ribosomes
Angewandte Chemie, Volume 138, Issue 4, 22 January 2026.Ribosome‐free translation of an RNA sequence into a peptide sequence can be controlled by the folding of the template strand. Overhang sequences forming a triplex structure with the templating region and the peptidoyl RNA in pH‐dependent manner increase yields up to 40‐fold through entropic effects and mixed anhydride formation, allowing for controlled,
Nikolaos Giannakopoulos +2 more
wiley +2 more sources
Modified Method for Detection of Benzoylecgonine in Human Urine by GC–MS: Derivatization Using Pentafluoropropanol/Acetic Anhydride [PDF]
, 2017 Michelle C. Serafin +3 more
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