Results 111 to 120 of about 36,278 (230)

Polyoxometalates for Health, Electronics, Energy, and the Environment: Challenges, Opportunities, and Future Horizons

open access: yesChemistryEurope, Volume 4, Issue 5, May 2026.
Polyoxometalates (POMs), illustrated as lemon‐like cars racing along a winding road, symbolize the accelerating progress of POM research toward technological applications. Global research communities, recent advances, and emerging opportunities highlight how coordinated efforts drive the transition of POM science from molecular discovery to deployable ...
Kirill Monakhov   +15 more
wiley   +1 more source

Separation of Alkyne Enantiomers by Chiral Column HPLC Analysis of Their Cobalt-Complexes

open access: yesMolecules, 2017
Separation of the enantiomers of new chiral alkynes in strategic syntheses and bioorthogonal studies is always problematic. The chiral column high-performance liquid chromatography (HPLC) method in general could not be directly used to resolve such ...
Qiaoyun Liu   +7 more
doaj   +1 more source

Sample Preparation and Separation of Lignans by Liquid Chromatography

open access: yesJournal of Separation Science, Volume 49, Issue 5, May 2026.
ABSTRACT Lignans are important phytochemicals found mostly in the resins of coniferous trees, but are also introduced into human diets through foods such as sesame seeds and extra‐virgin olive oil. They are pharmacologically interesting mainly because of their antioxidant activities, and they have also been shown to have cytotoxic and antimicrobial ...
Miikka Paloluoto, Susanne K. Wiedmer
wiley   +1 more source

Theta dependence of the vacuum energy density in chiral effective Lagrangian models at finite temperature, above $T_c$

open access: yes, 2019
In this work, extending a previous study at zero temperature ($T=0$), we perform a systematic study of the modifications to the QCD vacuum energy density $\epsilon_{vac}$ in the finite-temperature case, above the chiral transition at $T_c$, caused by a ...
Meggiolaro, Enrico
core   +1 more source

Green HPLC Enantioseparation of Chemopreventive Chiral Isothiocyanates Homologs on an Immobilized Chiral Stationary Phase Based on Amylose tris-[(S)-α-Methylbenzylcarbamate]

open access: yesMolecules
Sulforaphane is a chiral phytochemical with chemopreventive properties. The presence of a stereogenic sulfur atom is responsible for the chirality of the natural isothiocyanate.
Francesca Romana Mammone   +3 more
doaj   +1 more source

Porphyrin‐Geländer–Helical Conjugated Banister Type Porphyrin Dyads

open access: yesChemistry – A European Journal, Volume 32, Issue 15, 22 April 2026.
Porphyrin arrays go chiral–A porphyrin Geländer macrocycle represents the intriguing prototype architecture of helically chiral butadiyne‐linked porphyrin arrays. This study combines synthetic, spectroscopic, and computational methods to shed light on its structure, chiroptical properties, and tunability, highlighting its promise for advancing ...
Joël F. Keller   +2 more
wiley   +1 more source

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