Results 181 to 190 of about 17,863 (211)

Transformative Algal Interventions in Ophthalmology, Mechanisms, and Future Potential: A Review.

J Pharm Bioallied Sci
Namdeo TS, Ashok AA.
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Fluorescence properties of Phycocyanin and Phycocyanin-human serum albumin complex

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2020
In this work, the fluorescence properties of Phycocyanin (PC) and the corresponding quenching effects are investigated in attendance of human serum albumin (HSA). At first, PC is excited at 532 nm using CW SHG Nd:YAG laser, then the emission wavelength, Stokes shift, quantum yield, extinction constant and self-quenching coefficient are obtained based ...
S, Seyedi, P, Parvin, A, Jafargholi, S, Jelvani, M, Shahabi, M, Shahbazi, P, Mohammadimatin, A, Moafi   +7 more
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Biosynthesis of phycocyanin in vivo

Biochimica et Biophysica Acta (BBA) - General Subjects, 1970
Abstract 1. 1. Cells of the unicellular alga, Cyanidium caldarium , synthesize phycocyanin in the light but lack this pigment when grown in darkness. Dark-grown cells fed δ-amino[4- 14 C]levulinic acid and [4,5- 3 H 2 ]leucine synthesized double-labeled phycocyanine in the light.
R F, Troxler, A, Brown
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C-Phycocyanin: Minimum Molecular Weight

Science, 1964
Sedimentation and immunodiffusion experiments indicate that the molecular weight for the minimum molecular unit of C-phycocyanin is 30,000. This result agrees with an analysis of available data on amino acid content for C-phycocyanins from several different algae.
D S, BERNS, E, SCOTT, K T, O'REILLY
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Photooxidative reactions of c-phycocyanin

Biochimica et Biophysica Acta (BBA) - Bioenergetics, 1972
Abstract 1. Aging cultures of blue-green algae, as well as cultures kept under certain adverse physiological conditions, often show bleaching of photosynthetic pigments. 2. Crude extracts containing c -phycocyanin of the blue-green algae, Plectonema boryanum or Anacystis nidulans , bleach when exposed to short wavelengths of visible light ...
A, Abeliovich, M, Shilo
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Purification and bioactivities of phycocyanin

Critical Reviews in Food Science and Nutrition, 2016
Phycocyanin is an important light-harvesting pigment antenna protein in cyanobacteria, rhodophyta, cryptophyta, and glaucophyta, with a variety of bioactivities. The introduction of purification and bioactivities of phycocyanin contributes to a significant improvement in developing it into final processed products. In fact, the knowledge of phycocyanin
Ping, Yu, Yunting, Wu, Guangwei, Wang, Tianmei, Jia, Yishu, Zhang   +4 more
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A comparison of cryptophytan phycocyanins

Archives of Microbiology, 1975
The spectroscopically different phycocyanins present in the type strain of Hemiselmis virescens, Millport 64, and in a second strain of this cryptophytan species, Plymouth 157, have been purified and compared. They are similar in native molecular weight and in subunit structure, both containing alpha and beta subunits with molecular weights of ...
A N, Glazer, G, Cohen-Bazire
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Characterization of cryptomonad phycoerythrin and phycocyanin

Archives of Biochemistry and Biophysics, 1976
Phycoerythrin, a chromoprotein, from the cryptomonad alga Rhodomonas lens is composed of two pairs of nonidentical polypeptides (..cap alpha../sub 2/..beta../sub 2/). This structure is indicated by a molecular weight of 54,300, calculated from osmotic pressure measurements and by sodium dodecyl sulfate (SDS) gel electrophoresis, which showed bands with
R, MacColl, D S, Berns, O, Gibbons
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Electron micrographic investigations of C-phycocyanin

Archives of Biochemistry and Biophysics, 1965
Abstract C-Phycocyanin extracted from the blue-green alga Plectonema calothricoides was investigated with the electron microscope and the contrasting technique. Potassium phosphotungstate and uranyl acetate were used as contrast agents. Round structures with a central hole were evident and were interpreted as being the hexamer structure postulated ...
D S, Berns, M R, Edwards
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