Results 61 to 70 of about 10,122 (231)

Chemical profile of the organic residue from ancient amphora found in the Adriatic Sea determined by direct GC and GC-MS analysis [PDF]

open access: yes, 2011
An ancient organic residue was collected from the bottom of a Greco-Italian amphora found in the Adriatic Sea and investigated by direct GC and GC- MS analysis.
Gugić, Mirko   +3 more
core   +2 more sources

On‐Surface Polymerization of Bis(pyridyl)butadiyne Evidenced by Scanning Tuneling Microscopy and Application in Photocatalysis

open access: yesSmall Structures, Volume 7, Issue 3, March 2026.
This work reveals direct on‐surface photosynthesis of Poly‐bis(pyridyl)butadiyne (PBPyB) from simple BPyB precursors. Long straight 1D‐conjugated polymer wires with trans positioning of the pyridine moieties are revealed for the first time by scanning tunneling microscopy (STM).
Yan Wu   +8 more
wiley   +1 more source

Serum short-chain fatty acids and its correlation with motor and non-motor symptoms in Parkinson’s disease patients

open access: yesBMC Neurology, 2022
Background Parkinson’s disease (PD) is associated with enteric nervous system dysfunction and gut microbiota dysbiosis. Short-chain fatty acids (SCFAs), derived from gut microbiota, are supposed to anticipate PD pathogenesis via the pathway of spinal ...
Gang Wu   +12 more
doaj   +1 more source

Free Fatty Acids on the Integument of the Striped Flea Beetle, Phyllotreta striolata F., and Their Effects on Conidial Germination of the Entomopathogenic Fungi Metarhizium anisopliae, Beauveria bassiana and Paecilomyces fumosaroseus [PDF]

open access: yes, 2002
Free fatty acids on the integument of the striped flea beetle, Phyllotreta striolata F., and their effects on the conidial germination of Metarhizium anisopliae (Metch.) Sorokin, Beauveria bassiana (Bals.) Vuill.
T .P., Priyatno, Y. B., Ibrahim
core  

Metatranscriptomics reveals temperature-driven functional changes in microbiome impacting cheese maturation rate [PDF]

open access: yes, 2016
© The Author(s), 2016. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Scientific Reports 6 (2016): 21871, doi:10.1038/srep21871.Traditional cheeses harbour complex ...
De Filippis, Francesca   +4 more
core   +3 more sources

Chromatographic Profiling of Artisanal Chocolates: Volatile Composition and Methylxanthines as Markers of Cocoa Content

open access: yesJournal of Food Science, Volume 91, Issue 3, March 2026.
ABSTRACT The increasing demand for artisanal chocolates highlights the importance of reliable analytical strategies for quality assurance and product authentication. In this study, 45 Brazilian artisanal chocolates (36%–100% cocoa) were characterized by integrated chromatographic and chemometric analyses. Seventeen representative samples were evaluated
Joseline Altissimo   +7 more
wiley   +1 more source

A Facile Protocol for C(sp2)–C(sp3) Bond Formation Reactions Toward Functionalized E3 Ligase Ligands

open access: yesChemMedChem, Volume 21, Issue 4, 25 February 2026.
A robust C(sp2)–C(sp3) decarboxylative coupling strategy enables access to new CRBN ligands and degraders with improved physicochemical properties. This synthetic approach is expanding the chemical space beyond C(sp2)–N linkages, fine‐tuning proteolysis‐targeting chimera activities and unlocking previously inaccessible degrader chemotypes.
Anita Maksutova   +15 more
wiley   +1 more source

Modifying Glucose Metabolism Reverses Memory Defects of Alzheimer's Disease Model at Late Stages

open access: yesAdvanced Science, Volume 13, Issue 11, 23 February 2026.
Using spatial transcriptomics, we show that ferul enanthate (SL‐ZF‐01) reverses episodic‐like memory deficits in aged, but not young, Alzheimer’s disease (AD) mice. SL restores glucose metabolism and Glucose Transporter 1/3 expression via an ‘Aging‐AD‐Rescue’ pattern, rescuing deficits seen in aged AD mice.
Fang Liu   +14 more
wiley   +1 more source

Benzylammonium heptanoate–heptanoic acid (1/1)

open access: yesActa Crystallographica Section E, 2013
The title salt, C7H10N+·C7H13O2−·C7H14O2, is an unusual 2:1 stoichiometric combination of two carboxylic acid molecules and one amine. Although there are crystal structures of a number of 1:1 complexes reported in the literature, 2:1 acid amine complexes are rather uncommon.
Stuart M. Clarke, Mary H. Wood
openaire   +1 more source

Homogeneous nucleation in associated vapors. III. Heptanoic, decanoic, and myristic acids

open access: yesThe Journal of Chemical Physics, 1980
Homogeneous nucleation measurements have been made on heptanoic, decanoic, and myristic acid vapors, all of which exhibit small degrees of hydrogen bond association. The measured temperature dependences of the critical supersaturation are compared with predictions of the Katz–Saltsburg–Reiss theory for nucleation in associated vapors as well as the ...
Agarwal, Gopal, Heist, Richard H.
openaire   +3 more sources

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