Results 31 to 40 of about 307,774 (316)

Phase Shifts of the Circadian Locomotor Rhythm Induced by Pigment-Dispersing Factor in the Cricket Gryllus bimaculatus [PDF]

open access: yes, 2003
Pigment-dispersing factors (PDFs) are octadeca-peptides widely distributed in insect optic lobes and brain. In this study, we have purified PDF and determined its amino acid sequence in the cricket Gryllus bimaculatus.
Fujisawa, Yuko   +4 more
core   +1 more source

THE ISOMERIZATION AND OXIDATION OF CAROTENOID COMPOUNDS IN THE OIL PALM FRUIT DURING PRODUCTIONS OF CPO

open access: yesIndonesian Journal of Chemistry, 2010
Isomerization and oxidation have been known as the major factors of the degradation of carotenoid compounds. Results showed that the isomerization of the carotenoid in the oil palm fruit, during the sterilization process, promotes the decrease of the ...
Reni Subawati Kusumaningtyas   +1 more
doaj   +1 more source

A pigmented octogenarian [PDF]

open access: yesAge and Ageing, 2010
An 81-year-old woman presented with cachexia, malaise, deranged liver function tests (LFTs), hepatomegaly and hyperpigmentation. Hereditary haemochromatosis (HH) was ultimately diagnosed on genetic testing. Haemochromatosis is a difficult diagnosis in older people because not only are the symptoms protean and occur commonly in other geriatric ...
Maya, Wolf   +2 more
openaire   +2 more sources

THE INFLUENCE OF STRONG AND WEAK ACID UPON AGGREGATION AND PHEOPHYTINIZATION OF CHLOROPHYLL A AND B

open access: yesIndonesian Journal of Chemistry, 2010
Chlorophyll is green pigment that can be found in plant chloroplast. Higher plants usually have two kinds of chlorophylls, chlorophyll a and b. These green pigments are easily degraded by temperature, light intensity, oxygen, acid, and water.
Lia Kusmita, Leenawaty Limantara
doaj   +1 more source

Biological effects of cigarette smoke in cultured human retinal pigment epithelial cells. [PDF]

open access: yes, 2012
The goal of the present study was to determine whether treatment with cigarette smoke extract (CSE) induces cell loss, cellular senescence, and extracellular matrix (ECM) synthesis in primary human retinal pigment epithelial (RPE) cells. Primary cultured
Johannes Burger   +8 more
core   +1 more source

Determination and Dietary Risk Assessment of 8 Pesticide Residues in Ginger Oleoresin and Ginger Essential Oil by QuEChERS-LC-MS/MS [PDF]

open access: yesZhipu Xuebao
Ginger (Zingiber officinale Rosc.) is the first batch of medicinal and edible plants announced by the Ministry of Health in China. Ginger oleoresin and ginger essential oil are the products extracted from ginger, widely used as flavours and fragrances ...
QIAN Jian-rui1, ZHANG Yu-fen2, LI Xiao-wei1, WU Ya-ming1, ZHANG Xue-jin1, WU Di1,3
doaj   +1 more source

The effect of different concentrations of salicylic acid on the pigments content, rutin and quercetin in pepper (Capsicum annuum [PDF]

open access: yesZīst/shināsī-i Giyāhī-i Īrān, 2017
Salicylic acid is an antioxidant which has been used in recent years to increases the resistance of plants to deal with stresses. In this study different concentrations (0.1, 1.5, 3, 6 and 9 mM) of salicylic acid were investigated on the quantity of ...
Kobra Mahdavian
doaj   +1 more source

Bioprocess of Microbial Melanin Production and Isolation

open access: yesFrontiers in Bioengineering and Biotechnology, 2021
Melanin is one of the most abundant pigments found in the biosphere. Owing to its high biocompatibility and diverse biological activities, it has been widely applied as a functional biomaterial in the cosmetic, pharmaceutical, biopolymer, and ...
Kwon-Young Choi, Kwon-Young Choi
doaj   +1 more source

Síntesis de un pigmento rojo a partir de nanopartículas de oro

open access: yesBoletín de la Sociedad Española de Cerámica y Vidrio, 2012
A simple method of synthesising red pigments for ceramic glazes, based on gold nanoparticles protected by a refractory oxide capsule, was developed. Gold nanoparticles of an appropriate size were obtained by reaction in an aqueous medium between an Au ...
Agut, P., Palacios, M. D., Mestre, S.
doaj   +1 more source

Intramural pure pigment gall­stones, a case report

open access: yes, 1963
A case of intramural pure pigment gallstones, which were fortuitously found in post-mortem examination, is presented. The incidence, mechanism of formation of the stones and roentgenological diagnosis of the intramural gallstones, porcelain gall bladder,
Nishimura, Fumio, Kawanishi, Koichi
core   +1 more source

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