Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Leticia U. Colmenares"'
Publikováno v:
Photodermatology, Photoimmunology & Photomedicine. 29:121-131
Summary Background UV exposure causes a wide range of skin damage including cutaneous melanoma. The mechanisms of cellular and molecular damage, as well as those of erythemal and pigmentation responses to UV exposure, have largely been studied in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::267f8886fa04c75984b7f35dc71c74be
https://doi.org/10.1111/phpp.12035
https://doi.org/10.1111/phpp.12035
Publikováno v:
Journal of Fluorine Chemistry. 97:165-171
The preparation and characterization of the following trifluoromethylated carotenoids are reported: 9-CF3–, 13-CF3–, 9,9′-bis-CF3–, 13,13′-bis-CF3–β-carotene, 9-CF3– and 13-CF3–canthaxanthin, 13′-CF3– and, 9′-CF3–4-oxo-β-car
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::22437d0fd5677479e67ca0e55806c7f2
https://doi.org/10.1016/s0022-1139(99)00045-7
https://doi.org/10.1016/s0022-1139(99)00045-7
Autor:
Takahiro Hirano, Rajeev S. Muthyala, Akihisa Terakita, Robert S. H. Liu, Rong-liang Chen, Yoshinori Shichida, Leticia U. Colmenares, Hiroo Imai
Publikováno v:
Photochemistry and Photobiology. 70:111-115
— While azulenic retinal analogs failed to yield a red-shifted visual pigment analog, the 9-cis isomers of the push-pull polyenals 3-methoxy-3-dehydroretinal and 14F-3-me-thoxy-3-dehydroretinal yielded iodopsin pigment analogs with absorption maxim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b803e7c3509c9f3881d65d26de3ad707
https://doi.org/10.1111/j.1751-1097.1999.tb01956.x
https://doi.org/10.1111/j.1751-1097.1999.tb01956.x
Autor:
Charles J. Simmons, Jin Liu, George Britton, Leticia U. Colmenares, Robert S. H. Liu, Dorothee Hoischen
Publikováno v:
Bioorganic Chemistry. 26:365-374
Four analogs of the carotenoprotein α-crustacyanin have been prepared by reconstitution with the all-transisomer of four new carotenoids (10-F, 10,10′-F2and 14-F-astaxanthins, and 10′-F-adonirubin). All four blue carotenoproteins exhibit absorpt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::087d7c296a7772306fde4abf16f94cdb
https://doi.org/10.1006/bioo.1998.1114
https://doi.org/10.1006/bioo.1998.1114
Autor:
Motoyuki Tsuda, Yuko Arime, Atsuko Y. Nosaka, Hazime Saitô, Masashi Nakagawa, Leticia U. Colmenares, Robert S. H. Liu, Kiyomi Hirata, Tatsuo Iwasa, Akira Naito, Hiroyuki Takashima, Satoshi Kikkawa
Publikováno v:
The Journal of Physical Chemistry A. 102:5602-5610
Isomeric octopus pigment analogues from 9-cis and 11-cis 10-fluoro retinal have been prepared and their photochemical as well as other properties examined. While most of the properties of the fluor...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1229b72058076513bcb42cbc685cd876
https://doi.org/10.1021/jp9802477
https://doi.org/10.1021/jp9802477
Publikováno v:
Photodermatology, photoimmunologyphotomedicine. 29(3)
UV exposure causes a wide range of skin damage including cutaneous melanoma. The mechanisms of cellular and molecular damage, as well as those of erythemal and pigmentation responses to UV exposure, have largely been studied in the White population.T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::ad921f975fdfce3b3eb0a4ec226963b9
https://pubmed.ncbi.nlm.nih.gov/23651272
https://pubmed.ncbi.nlm.nih.gov/23651272
Publikováno v:
The Journal of Physical Chemistry. 100:9175-9180
19F NMR spectra of 11-cis and 9-cis isomers of six fluorinated rhodopsin analogs with the label(s) located at the vinylic positions of the polyene chain (8-F, 10-F, 12-F, 14-F, 8,12-F2, 10,14-F2) are reported along with their UV−vis and CD spectra.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6e651a949ccbab0bcc0160d914597aed
https://doi.org/10.1021/jp952850k
https://doi.org/10.1021/jp952850k
Publikováno v:
Tetrahedron. 52:109-118
Results from interactions of the 11-cis and 9-cis isomers of eleven fluorinated phenylretinal analogs, prepared from fluorinated benzaldehydes, with bovine opsin have been examined. Five of these (2′,6′-bis-CF3, 2′,4′,6′-tris-CF3, 2′-CF3-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bca157148f88bff8975a346d9ba39c35
https://doi.org/10.1016/0040-4020(95)00887-e
https://doi.org/10.1016/0040-4020(95)00887-e
Publikováno v:
Tetrahedron Letters. 35:7177-7180
Steric crowding in the cis isomer of “Mini-3”, a chain shortened triene analog of β-carotene, and hexakis-(2,2′,4,4′,6,6′-trifluoromethyl)stilbene forces the polyene chromophores to adopt a spiral conformation. Some of the associated unusu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::109ffbbafc4968ae0bf6fc621ec81a7d
https://doi.org/10.1016/0040-4039(94)85354-1
https://doi.org/10.1016/0040-4039(94)85354-1
Publikováno v:
ChemInform. 30
The preparation and characterization of the following trifluoromethylated carotenoids are reported: 9-CF3–, 13-CF3–, 9,9′-bis-CF3–, 13,13′-bis-CF3–β-carotene, 9-CF3– and 13-CF3–canthaxanthin, 13′-CF3– and, 9′-CF3–4-oxo-β-car
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ba4526cd307af0fad4220d4f6ee67d2
https://doi.org/10.1002/chin.199942187
https://doi.org/10.1002/chin.199942187