Výsledky vyhledávání - "Seymour Zigman"

Autor: Seymour Zigman

Publikováno v: Journal of Ocular Pharmacology and Therapeutics. 16:161-165

Although UVA radiation was considered to be benign as a factor that could contribute to cataract formation, the studies briefly summarized herein show that UVA may provide the more damaging radiant energy involved in the formation of human cataract.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1cee12fc6a547bcd2b5550044b20cb40
https://doi.org/10.1089/jop.2000.16.161

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Fluorescence Studies of Lens Epithelial Cells and Their Constituents

Autor: Christopher R. Lambert, Natalie Williams, Stephen J. Atherton, Joanne B. Schultz, Seymour Zigman

Publikováno v: Photochemistry and Photobiology. 70:823-828

Steady-state and time-resolved fluorescence measurements have been made of human and rabbit lens epithelial cells and their total soluble protein. Excitation at 350 nm results in broad fluorescence spectra peaking at 450 nm and stretching into the vi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ff48404c0e8cf5a4bed4d2c53d7a26e8
https://doi.org/10.1111/j.1751-1097.1999.tb08289.x

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Measurement of oxygen production by in vitro human and animal lenses with an oxygen electrode

Autor: Joanne B. Schultz, Seymour Zigman, Mark Schultz

Publikováno v: Current Eye Research. 17:115-119

This paper describes an advantageous method of measuring the activity of the enzyme catalase, which has an important antioxidative role in the lens. This method allows the measurement of catalase in whole lenses.Exposure to UVA (99% UV-A) radiation w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::93b134eb36deda12389ab9deefaa5d35
https://doi.org/10.1076/ceyr.17.2.115.5603

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Human RAD2 Homolog 1 5′- to 3′-Exo/Endonuclease Can Efficiently Excise a Displaced DNA Fragment Containing a 5′-Terminal Abasic Lesion by Endonuclease Activity

Autor: Michael S. DeMott, Min Soo Park, Robert A. Bambara, Seymour Zigman, Binghui Shen

Publikováno v: Journal of Biological Chemistry. 271:30068-30076

Repair of abasic lesions, one of the most common types of damage found in DNA, is crucial to an organism's well-being. Studies in vitro indicate that after apurinic-apyrimidinic endonuclease cleaves immediately upstream of a baseless site, removal of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ce94239b9a9fde8bf30a5c57bbfd1cae
https://doi.org/10.1074/jbc.271.47.30068

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Structural and Functional Changes in Catalase Induced by Near-UV Radiation

Autor: Thurma McDaniel, John R. Reddan, Seymour Zigman, Joanne B. Schultz

Publikováno v: Photochemistry and Photobiology. 63:818-824

Part one of this study shows that exposure of purified beef liver catalase in buffered solutions to BL lamps that provide a mixture of 99% UVA and 1% UVB (to be labeled UVA) alters its chemistry and enzymatic activity. Thus, its spectral absorbance l

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6a76353cfbe9f4c0e3a2162f608f1ace
https://doi.org/10.1111/j.1751-1097.1996.tb09637.x

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DNA damage and repair in rabbit lens epithelial cells following UVA radiation

Autor: Seymour Zigman, Duska Sidjanin, John R. Reddan

Publikováno v: Current Eye Research. 12:773-781

Since ultraviolet light may be a contributing factor to cataractogenesis, we investigated the response of the lens epithelium, a potential target for UV insult, to UVA radiation. Cell survival and the induction and repair of DNA single-strand breaks

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f97f4cd61e66d036943cc45bdbf3b05b
https://doi.org/10.3109/02713689309020382

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Vision Enhancement Using a Short Wavelength Light-Absorbing Filter

Autor: Seymour Zigman

Publikováno v: Optometry and Vision Science. 67:100-104

This report illustrates photographically the adverse influence of short wavelength-induced light-scattering and autofluorescence on image quality, and the improvement of image quality that results by filtering out light wavelengths shorter than 480 n

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::06646c26e1c6ebdb7e6beb72e414a185
https://doi.org/10.1097/00006324-199002000-00007

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Comparative study of lens proteins of gray squirrel and human

Autor: Seymour Zigman, Teresa Paxhia, Marjorie F. Lou, N.-T. Yu

Publikováno v: Comparative Biochemistry and Physiology Part B: Comparative Biochemistry. 96:697-704

1. 1. The four crystallins of the gray squirrel lens have been characterized using gel filtration chromatography, polyacrylamide gel electrophoresis, and immunoblotting. Alpha, beta-heavy, beta-light, and gamma crystallins of squirrel lenses have bee

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::edf1bca3c07ea2666260d4ab54933c91
https://doi.org/10.1016/0305-0491(90)90216-g

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