Results 251 to 260 of about 962,797 (324)

Effect of sulfate availability on phytoplankton stoichiometry

open access: yesJournal of Phycology, Volume 61, Issue 4, Page 895-910, August 2025.
Abstract Sulfur (S) is a key element in multiple metabolic pathways of phytoplankton cells. The effect of S availability on phytoplankton elemental quotas and stoichiometry has been addressed in few studies, using a limited number of species and with contradictory results.
Mariona Segura‐Noguera   +2 more
wiley   +1 more source

Scientific opinion as regards the specifications of the food additives acetic, lactic, tartaric, mono‐ and diacetyltartaric, mixed acetic and tartaric acids esters of mono‐ and diglycerides of fatty acids (E 472a,b,d,e,f)

open access: yesEFSA Journal, Volume 23, Issue 8, August 2025.
Abstract Acetic, lactic, tartaric, mono‐ and diacetyltartaric, mixed acetic and tartaric acids esters of mono‐ and diglycerides of fatty acids (E 472a,b,d,e,f) were re‐evaluated in 2020 by the Food Additives and Flavourings (FAF) Panel. The Panel issued several recommendations to amend the specifications of these food additives in Commission Regulation
EFSA Panel on Food Additives and Flavourings (FAF)   +20 more
wiley   +1 more source

Lack of increased urinary calcium-oxalate supersaturation in long-term kidney transplant recipients

open access: bronze, 1997
Gilles Dumoulin   +7 more
openalex   +1 more source

Elemental Trade‐Off in the Selective Electro‐Oxidation of Ethylene Glycol on Palladium‐Silver/Nickel Electrodes

open access: yesChemSusChem, Volume 18, Issue 15, July 27, 2025.
Connect 4: Tuning the surface composition of Pd‐Ag electrodes on nickel foam enables the four‐electron oxidation of ethylene glycol to glycolic acid in high yields. The electrochemical reaction is tested under batch and industrially realistic flow conditions. For the latter, the Pd–Ni electrode yields >80% selectivity to glycolate for over 140 h.
Noë I. Watson   +4 more
wiley   +1 more source

Association of calcium oxalate monohydrate crystals with MDCK cells

open access: bronze, 1995
Carl F. Verkoelen   +5 more
openalex   +1 more source

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