Results 11 to 20 of about 7,702 (217)

Molecule engineering of coumarin to reverse aggregation-caused quenching: Facile access to BioAIEgens [PDF]

open access: yesiScience
Summary: Aggregation-induced emission luminogens (AIEgens) have been extensively investigated and widely used in biomedical fields. However, AIEgens are mostly derived from petrochemicals, leading to challenges of renewability, sustainability, and ...
Shouji Li   +12 more
doaj   +2 more sources

Alicyclic Polyimide/SiO2 Mixed Matrix Membranes for Water/n-Butanol Pervaporation

open access: yesMembranes, 2021
Alicyclic polyimides (PIs) have excellent properties in solubility, mechanical strength, thermal property, etc. This study developed two types of alicyclic PI-based mixed matrix membranes (MMMs) for water/n-butanol pervaporation application, which have ...
Ching-Wen Hsieh   +2 more
doaj   +2 more sources

Alicyclic Polyesters from a Bicyclic 1,3-dioxane-4-one

open access: yes
Alicyclic polymers with in-chain aliphatic rings promote improved thermal and optical performance due to backbone rigidity but remain limited in their functional diversity.
Perry, Mitchell   +3 more
core   +11 more sources

Criss-cross Cycloadditions on Ketazines Derived from Alicyclic Ketones

open access: yesMolecules, 2006
The reactivity of alicyclic ketazines in criss-cross cycloadditions was investigated. They react with potassium cyanate and ammonium thiocyanate in the presence of acetic acid to form spirocyclic perhydro[1,2,4]triazolo[1,2-a][1,2,4]triazole-1,5-diones ...
Milan Potacek, Jiri Verner
doaj   +2 more sources

Biodegradation of alicyclic amines by a newly isolated hypersaline tolerant strain Paenarthrobacter sp. TYUT067

open access: yesWater Science and Technology, 2021
Alicyclic amines are widely used in several types of industries, and considerable attention has been devoted to possible environmental pollution by alicyclic amines in hypersaline industrial wastewater. In this study, a new hypersaline tolerant bacterial
Kaiqing Feng   +3 more
doaj   +1 more source

Scientific Opinion on Flavouring Group Evaluation 23, Revision 4 (FGE.23Rev4): Aliphatic, alicyclic and aromatic ethers including anisole derivatives from chemical groups 15, 16, 22, 26 and 30 [PDF]

open access: yesEFSA Journal, 2013
The Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids of the European Food Safety Authority was requested to evaluate 21 flavouring substances in the Flavouring Group Evaluation 23, Revision 4, using the Procedure in Commission ...
EFSA Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids (CEF)
doaj   +1 more source

Precursor-Directed Biosynthesis and Biological Testing of omega-Alicyclic- and neo-Branched Tunicamycin N‑Acyl Variants

open access: yes, 2023
Tunicamycins (TUNs) are Streptomyces-derived natural products, widely used to block protein N-glycosylation in eukaryotes or cell wall biosynthesis in bacteria.
Karl E. Vermillion (1548121)   +15 more
core   +1 more source

Lewis Base Promoted Delayed Copper Catalysis: Borylative α-C-H Allylation of Alicyclic Amines [PDF]

open access: yes, 2020
Functionalized alicyclic amines are important building blocks for the synthesis of bioactive natural compounds and drugs. Existing methods of functionalization are typically limited to the synthesis of protected amines or the use of highly basic ...
Carlos, Saá   +3 more
core   +2 more sources

Scientific Opinion on Flavouring Group Evaluation 12, Revision 3 (FGE.12Rev3): Primary saturated or unsaturated alicyclic alcohol, aldehyde, acid, and esters from chemical group 7 [PDF]

open access: yesEFSA Journal, 2012
The Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids of the European Food Safety Authority was requested to evaluate 10 flavouring substances in the Flavouring Group Evaluation 12 (FGE.12), including an additional substance in ...
EFSA Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids (CEF)
doaj   +1 more source

Scientific Opinion on Flavouring Group Evaluation 08, Revision 5 (FGE.08Rev5): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30 [PDF]

open access: yesEFSA Journal, 2012
<p>The CEF Panel of the European Food Safety Authority was requested to evaluate 80 flavouring substances in the Flavouring Group Evaluation 08, Revision 4, using the Procedure in Commission Regulation (EC) No 1565/2000.
EFSA Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids (CEF)
doaj   +1 more source

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