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Showing 1 to 20 of 29 for “"phycocyanin"”.
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Purification of C-phycocyanin from Spirulina - adsorption pretreatment options
C-phycocyanin (C-PC) is an attractive blue pigment obtained from the cyanobacterium Spirulina and certain other species of microalgae. In recent years, C-PC has been used as a naturally derived colourant in cosmetic and food products due to the toxic effects of synthetic pigments. Cultivation of …
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Techno-Economic Evaluation of a Commercial c-Phycocyanin Extraction Process
… in cyanobacteria. One such phycobiliprotein is c-phycocyanin (cPC), a bright blue pigment that has already found widespread application in the food and pharmaceutical industries. It can also be used in the cosmetics industry, an application which has not been as extensively explored. Spirulina …
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Improving an aqueous two-phase process for C-phycocyanin extraction from Spirulina
… are growing in popularity. The algal pigment, C-phycocyanin (C-PC) is a blue photosynthetic pigment of the phycobiliprotein family, found in cyanobacteria and red algae. Algal pigments like C-PC have been growing in demand and the market is expected to grow at 5-7 % annually. Phycocyanin has …
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Optimization of culture conditions and extraction method for phycocyanin production from a hypersaline cyanobacterium
Submitted in fulfilment of the requirements of the degree of Master of Technology: Biotechnology, Durban University of Technology, Durban, South Africa, 2014.
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Extracting phycocyanin from spirulina and hydrothermal liquefaction of its residues to produce bio-crude oil
… cost competitive biotechnological process for C-phycocyanin (C-PC) extraction from spirulina platensis. The residual biomass after C-PC extraction was converted into bio-crude oil via hydrothermal liquefaction (HTL). The HTL bio-crude oil obtained from the original spirulina feedstock and the …
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Remote Sensing of Cyanobacteria in Case II Waters Using Optically Active Pigments, Chlorophyll a and Phycocyanin
… of blue-green algal pigments (chlorophyll a and phycocyanin) can provide rapid detection of blue-green algal distribution. Coupled with physical and chemical data from lakes, remote sensing can provide an efficient method for tracking cyanobacteria bloom occurrence and toxin production potential …
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Troubleshooting, optimization and robustness testing of CeBER process for c-phycocyanin extraction and purification from spirulina
c-Phycocyanin is a natural pigment, found as an intracellular protein in various microalgae. One of the most common sources of c-phycocyanin is Arthrospira platensis, more commonly known as Spirulina. Spirulina is a cyanobacterium, widely renowned for its many health benefits which, experts say, …
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Characterization of Slr1098, a Protein with Similarity to the Bilin Lyase Subunit CpcE from the Cyanobacterium Synechocystis sp. PCC 6803
… of an enzyme involved in bilin attachment to phycocyanin. This protein is hypothesized to be involved in oligomerization of phycocyanin due to previous results showing the mutant made shorter phycocyanin rods. The recombinant Slr1098 protein was produced and purified from E. coli cells. …
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USING AIRBORNE HYPERSPECTRAL IMAGERY TO ESTIMATE CHLOROPHYLL A AND PHYCOCYANIN IN THREE CENTRAL INDIANA MESOTROPHIC TO EUTROPHIC RESERVOIRS
… pigment concentrations (chlorophyll a and phycocyanin) from remotely sensed imagery. Hyperspectral airborne and hand-held reflectance spectra were acquired on three reservoirs (Geist, Morse and Eagle Creek) in Central Indiana, USA. Concurrent with the reflectance acquisition, in situ …
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Investigating cultivation and biorefinery process techniques on the microalgae Porphyridium aerugineum and Chromochloris zofingiensis
… a maximal biomass concentration of 1.47g/L and a phycocyanin concentration of 139.3mg/L were obtained over 21 days. Both values show the potential competitiveness of this strain with Spirulina sp., the traditional source of phycocyanin. The preferable method of harvesting the cells was …
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Innovatives liposomes for overcoming biological barriers
… and antioxidant properties: quercetin,phycocyanin and curcumin. The liposomes loading quercetin and phycocyanin are designed for a topical application and were tested on new born pig skin. Liposomes and chitosomes loading curcumin are designed for pulmonary delivery as a cure for cystic …
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Identification and Characterization of a New Class of Bilin Lyases in Synechococcus sp. PCC 7002
… (PCB) to â-82 cysteinyl residue on phycocyanin (PC) in vitro. Tryptic digestion and C18 RP-HPLC confirmed that CpcSU attached bilin at â-82 cysteine. CpcT was also shown to be a lyase specific for â-153 cysteine as confirmed by tryptic digestion and C18 RP-HPLC. CpcSU together and …
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Identification of a Low Molecular Weight Protein Tyrosine Phosphatase and Its Potential Physiological Substrates in Synechocystis sp. PCC 6803
… as PsaD (photosystem I subunit II) and CpcD (phycocyanin rod linker protein). In addition, several phosphotyrosine proteins were detected from the soluble and membrane fractions of Synechocystis sp. PCC 6803 cell extracts by in vitro substrate trapping as potential endogenous substrates of …
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In SilIco-study for the evaluation of oNcoprotectivE activity by analisis by highly puRified alGal phycocYanin miRNAs regulation [In SilIco-studio per la valutazione dell'attività oncoprotettiva mediante analisi della regolazione dei miRNA di ficocianina algale altamente purificata]
Il presente progetto si colloca all’interno del più ampio contesto del cambiamento climatico globale e in un’epoca di rapida transizione verso modelli industriali a basse emissioni di carbonio. In quest’ottica, è stato sviluppato un approccio integrato per la valorizzazione delle emissioni …
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Identification and Characterization of Enzymes Involved in Post-translational Modifications of Phycobiliproteins in the Cyanobacterium Synechocystis sp. PCC 6803
… responsible for attachment of phycocyanobilin to phycocyanin in Synechocystis sp. PCC 6803 are two cpeS-like genes (cpcS and cpcU) and one cpeT-like gene (cpcT). Through absorbance and fluorescence spectra, it was determined that CpcS and CpcU together catalyze the addition of phycocyanobilin to …
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Identification and characterization of enzymes involved in the biosynthesis of different phycobiliproteins in cyanobacteria
… system efficiently produced chromophorylated allophycocyanin (ApcA/ApcB), -phycocyanin, and -phycocyanin. This system was used to demonstrate that CpcS-I and CpcU proteins are both required attaching PCB to allophycocyanin subunits ApcD (AP-B) and ApcF (18). The N-terminal, AP-like domain of …
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Towards high fidelity mapping of global inland water quality using earth observation data
… mixed assemblage chl-a fluorescence, 3) modeled phycocyanin concentration derived from assemblage based phycocyanin absorption, 4) and paired sensor-specific TOA reflectances which include optically extreme cases and contribution of green vegetation adjacency. The synthetic bottom-of-atmosphere …
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The Impact of Nutrient Loading from Canada Geese (Branta canadensis) on Water Quality, a Mesocosm Approach
… nitrate, total Kjeldahl nitrogen, chlorophyll-a, phycocyanin or turbidity for any of the treatment groups versus the control (no fecal addition). Nitrogen to phosphorus ratios were not affected by the fecal additions. Although there was no significant increase in chlorophyll-a concentration or …
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Seasonal and Diel Patterns of Abundance and Productivity of Phototrophic Picoplankton in the Lower Chesapeake Bay
… when the dominant phototrophic picoplankton was phycocyanin enriched <em>Synechococcus sp</em>. In winter, phototrophic picoplankton concentrations were highest during flood tide when phycoerythrin enriched <em>Synechococcus sp.</em> dominated phototrophic picoplankton composition. Availability …
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Cyanobacterial Harmful Algal Blooms Vary Within and Across Years at Lake Fayetteville, Arkansas
… chlorophyll raw fluorescence units (RFU), phycocyanin (RFU), and total microcystin. Peak mean total microcystin concentrations (1.9 to 6.2 μg/L) and the longevity of toxin production varied between years. Many parameters had significant thresholds with total microcystin across the time …
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