Results 151 to 160 of about 34,724 (282)

URSOLIC ACID AND CIS-TILIROSIDE PRODUCED BY Merremia tomentosa AFFECT OVIPOSITION OF Leucoptera coffeella ON COFFEE PLANTS

open access: yesQuímica Nova
To contribute to the development of new products to control the coffee leaf miner (Leucoptera coffeella), which is a major pest for coffee plants, this work aimed to select plant species able to produce substances active against this insect and to ...
Helvécio M. Santos Júnior   +4 more
doaj   +1 more source

Pigments, Chromatophore Structure, and Gene Expression Underlying Colour Polytypy of a Panamanian Poison Frog

open access: yesMolecular Ecology, Volume 35, Issue 1, January 2026.
ABSTRACT Colour polytypism represents an example of phenotypic diversification shaped by genetic divergence and ecological pressures. Poison frogs of the genus Oophaga (Dendrobatidae) are highly polytypic in coloration, making them an ideal system for investigating the genetic and physiological basis of colour variation.
Vasiliki Mantzana‐Oikonomaki   +7 more
wiley   +1 more source

Biosynthesis of Pteridines in Insects: A Review

open access: yesInsects
Pteridines are important cofactors for many biological functions of all living organisms, and they were first discovered as pigments of insects, mainly in butterfly wings and the eye and body colors of insects. Most of the information on their structures
Juan Ferré
doaj   +1 more source

Dupuytren\u27s Disease [PDF]

open access: yes, 2017
Dupuytren\u27s disease (DD) is a chronic condition in which fibrosis of tissue beneath the palm of the hand occurs. Causes and mechanisms of this disease\u27s development are still not entirely understood.
Pinckney, Leah C.
core   +1 more source

Health Benefits and Therapeutic Potential of Quercetin

open access: yesJournal of Food Biochemistry, Volume 2026, Issue 1, 2026.
Quercetin, a polyphenolic compound prevalent in many fruits, vegetables, and other dietary sources, has attracted considerable interest due to its extensive health benefits. This review examines its diverse biological properties, particularly its antioxidant and anti‐inflammatory effects. The study integrates recent scientific findings to elucidate the
Mahendra Aryal, Kim Wei Chan
wiley   +1 more source

Effects of Onion on Serum Uric Acid Levels and Hepatic Xanthine Dehydrogenase/Xanthine Oxidase Activities in Hyperuricemic Rats [PDF]

open access: bronze, 2008
Fatemeh Haidari   +5 more
openalex   +1 more source

Development of an amperometric biosensor for the detection of alcohol: a thesis presented in partial fulfilment of the requirements for the degree of Masters in Science in Biochemistry at Massey University [PDF]

open access: yes, 1993
The aim of the following work was to design a biosensor for the detection of ethanol. A biosensor is an analytical device in which a biological sensing element is connected to or integrated with a physical transducing element.
Large, Ruth
core  

Xanthinuria: a rare cause of urolithiasis in the cat [PDF]

open access: yes, 2012
Xanthinuria is a very rare disease in cats. Its etiology may have a genetic origin or may be due to an iatrogenic xan- thine-dehydrogenase inhibition that nally results in urolithiasis.
del Ángel Caraza, Javier   +11 more
core  

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