Results 101 to 110 of about 2,719,329 (156)

The anti-mutagenic properties of bile pigments

, 2008
Bile pigments, including bilirubin and biliverdin, are endogenous compounds belonging to the porphyrin family of molecules. In the past, bile pigments and bilirubin in particular were thought of as useless by-products of heme catabolism that can be toxic
Ried, K., Bulmer, Andrew C., Wagner, Karl-Heinz, Blanchfield, Joanne T.   +3 more
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Isolation and Identification of Red Rice Pigments

JOURNAL OF THE BREWING SOCIETY OF JAPAN, 1989
TAKAHASHI, Kojiro, SUGIMOTO, Takiya, MIURA, Takashi, WASIZU, Yukio, YOSHIZAWA, Kiyoshi   +4 more
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Isolation and Identification of the Urinary Pigment Uroerythrin

European Journal of Biochemistry, 1975
The red pigment uroerythrin, a chromophore known to be adsorbed by the amorphous urate sediments (sedimentum lateritium), has been isolated from human urine and further purified as its trimethyl derivative.Urine was applied to a column of Amberlite XAD‐2 resin on which uroerythrin and other pigments were adsorbed. The pigments were eluted with methanol
J, Berüter, J P, Colombo, U P, Schlunegger   +2 more
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Preliminary identification of the human macular pigment

Vision Research, 1985
The human macular pigment has been found to be composed to two chromatographically separable components, which are tentatively identified as lutein [(3R,3'R,6'R)-beta,epsilon-Carotene-3,3'-diol] and zeaxanthin [(3R,3'R)-beta,beta-Carotene-3,3'-diol]. Chromatograms of retinal extracts, obtained by HPLC on three different stationary phases, were found to
R A, Bone, J T, Landrum, S L, Tarsis
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Identification of Oxysterols in Human Bile and Pigment Gallstones

Gastroenterology, 2001
Although cholesterol is the most abundant sterol in animal tissues, oxidized products of cholesterol (oxysterols) also occur in mammalian organs and blood and are cytotoxic, atherogenic, and carcinogenic. However, the presence of oxysterols in bile or gallstones has never been reported.Fresh human bile and gallstones were collected.
Lee, SP, Haigh, WGeoffrey
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Identification of Photoreceptor Pigments

2010
Rhodopsin, flavins, pterins and carotenoids are pigments that have been identified as participating in the photoreception and photomovement of eukaryotic algae [Lenci, 1975, 1995; Haupt and Hader, 1994; Kreimer, 1994; Lebert, 2001; Siebert, 2003]. Rhodopsin represents a protein (opsin), lipid and chromophore (retinal) complex.
Yuriy I. Posudin, Nadiya P. Massjuk, Galyna G. Lilitskaya   +2 more
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Identification of Yersinia pestis Pigment Receptor

2006
In the present work the PR of Y. pestis was identified as a complex of a 17 kDa protein associated with two oppositely charged low molecular weight components that cooperatively form a pigment binding domain of PR. The pigment binding activity of PR is dependent on an appropriate proportion of the low molecular weight components and on the absence of ...
Olga N, Podladchikova, Grigory G, Dikhanov   +1 more
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Identification of titanium pigment in drug addicts' tissues

Histopathology, 1991
Autopsy on two drug addicts who had been injecting themselves intravenously with crushed Algafan tablets (active principle, propoxyphene hydrochloride) showed crystals consistent with talc in their lungs and other organs. A fine granular material that appeared black by transmitted light was also present.
J C, Coelho Filho, R A, Moreira, P R, Crocker, D A, Levison, B, Corrin   +4 more
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Identification of the pigment in amniotic fluid of erythroblastosis as bilirubin

The Journal of Pediatrics, 1966
The yellow pigment found in amniotic fluid obtained from pregnancies with fetusesaffected with erythroblastosis behaves in exactly the same manner as does bilirubin on spectrophotometric scanning and diazotization after chloroform extraction and when developed by reverse phase kieselguhr column chromatography.
J V, Brazie, F A, Ibbott, W A, Bowes
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The isolation and identification of indigoid pigments from urine

Clinica Chimica Acta, 1988
A purple pigment, phyriaviolin, and a blue pigment, phyriaazulin, have been found in relatively large amounts in the urine of patients suffering from two diverse pathological conditions, porphyria cutanea tarda and Crohn's disease. The two pigments have been characterised by chemical, spectroscopic, and chromatographic studies and identified to be ...
A H, Jackson, R T, Jenkins, M, Grinstein, A M, Ferramola de Sancovich, H A, Sancovich   +4 more
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