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- Author:
- Mikinori Ueno; Masato Nogawa; Rokeya Siddiqui; Koichi Watashi; Takaji Wakita; Nobuyuki Kato; Masanori Ikeda; Takasi Okimura; Shogo Isaka; Tatsuya Oda; Yasuo Ariumi
- Source:
- International journal of biological macromolecules 2019 v.124 pp. 282-290
- ISSN:
- 0141-8130
- Subject:
- HIV infections; Hepatitis B virus; Hepatitis C virus; Human immunodeficiency virus 1; Primate T-lymphotropic virus 1; Vesiculovirus; algae; alginates; dose response; human cell lines; uronic acids
- Abstract:
- ... We examined the effects of various acidic polysaccharides isolated from marine algae on the infection and replication of human immunodeficiency virus type-1 (HIV-1), hepatitis B virus (HBV), hepatitis C virus (HCV), and human T-cell leukemia virus type-1 (HTLV-1). It was found that sulfated fucan polysaccharides, ascophyllan, and two fucoidans derived from different sources significantly inhibited ...
- DOI:
- 10.1016/j.ijbiomac.2018.11.152
- https://doi.org/10.1016/j.ijbiomac.2018.11.152
- Author:
- Alina Roxana Lucaci; Dumitru Bulgariu; Maria-Cristina Popescu; Laura Bulgariu
- Source:
- Water 2020 v.12 no.2 pp. -
- ISSN:
- 2073-4441
- Subject:
- Callithamnion; adsorbents; adsorption; algae; alginates; aqueous solutions; batch systems; biomass; biosorption; dosage; effluents; extraction; ions; iron; moieties; nanoparticles; pH; renewable resources; temperature; water
- Abstract:
- ... In recent years, studies on the more efficient use of natural materials in adsorption processes have increased significantly. Thus, obtaining new adsorbents from marine algae biomass with higher adsorptive performance will ensure a better use of these renewable resources. In this study, the adsorption of Cu(II) ions from aqueous solution was done using three types of adsorbent materials obtained f ...
- DOI:
- 10.3390/w12020372
- https://doi.org/10.3390/w12020372
- Author:
- N. Flórez-Fernández; H. Domínguez; M.D. Torres
- Source:
- Industrial crops and products 2019 v.138 pp. 111483
- ISSN:
- 0926-6690
- Subject:
- Sargassum muticum; algae; alginates; autohydrolysis; biodiversity; biorefining; data collection; depolymerization; fucose; models; nutrients; polymers; recreation; solvents; temperature; viscoelasticity
- Abstract:
- ... Sargassum muticum is an invasive brown seaweed that causes a negative impact on ecology, fishing and recreational activities, and was also associated with changes in biodiversity by competing for light, space and nutrients with autochthonous algae. Marine brown seaweeds contain different valuable components, such as alginate, fucose rich sulfated polysaccharides (known as fucoidans) and phlorotann ...
- DOI:
- 10.1016/j.indcrop.2019.111483
- https://doi.org/10.1016/j.indcrop.2019.111483
- Author:
- João Adriano Rossignolo; Afonso José Felicio Peres Duran; Cristiane Bueno; José Eduardo Martinelli Filho; Holmer Savastano Junior; Fernando Gustavo Tonin
- Source:
- Journal of environmental management 2022 v.303 pp. 114258
- ISSN:
- 0301-4797
- Subject:
- Kappaphycus alvarezii; Posidonia oceanica; Sargassum; algae; alginates; biomass; bioplastics; coasts; cosmetics; environmental management; grasses; industry; paper; pavements; raw materials; Caribbean; Gulf of Mexico; Sargasso Sea
- Abstract:
- ... Pelagic Sargassum, usually found at the Sargasso Sea and the Western portion of the North Atlantic and Gulf of Mexico, has been detected in many new locations through the tropical Atlantic. The huge biomass found from the African coast to the Caribbean was called the Great Atlantic Sargassum Belt and is responsible for the stranding of tons of algae on coastal regions. Despite the environmental, s ...
- DOI:
- 10.1016/j.jenvman.2021.114258
- https://doi.org/10.1016/j.jenvman.2021.114258
- Author:
- Sylwia Ścieszka; Elżbieta Klewicka
- Source:
- Critical reviews in food science and nutrition 2019 v.59 no.21 pp. 3538-3547
- ISSN:
- 1549-7852
- Subject:
- agar; algae; alginates; bioactive compounds; breads; carrageenan; cottage cheese; cream; deserts; dietary supplements; fish; fish products; flour; food industry; functional foods; gelation; hot dogs; lactic acid bacteria; metabolites; milk; nutrients; oils; pasta; processed cheeses; steaks; yogurt
- Abstract:
- ... Algae are common all over the Earth. Due to their rich chemical composition and content of bioactive substances they have been used in many fields of industry. Their gelling, thickening and stabilizing properties have led to the development of such products as agar, alginate and carrageenan. Moreover, algae are used in the food industry as food supplements and an addition to functional food. Algae ...
- DOI:
- 10.1080/10408398.2018.1496319
- https://doi.org/10.1080/10408398.2018.1496319
- Author:
- Ilekuttige Priyan Shanura Fernando; Kil-Nam Kim; Daekyung Kim; You-Jin Jeon
- Source:
- Critical reviews in biotechnology 2019 v.39 no.1 pp. 99-113
- ISSN:
- 1549-7801
- Subject:
- agar; algae; alginates; anti-inflammatory activity; bioactive compounds; carrageenan; cosmetics; emulsifiers; functional properties; glucans; hydrocolloids; hydrogels; industry; ingredients; physicochemical properties; stabilizers; surgery; tissue engineering; value-added products; viscosity; youth
- Abstract:
- ... The cosmetics industry is one of the most profitable in the world today. This multi-billion-dollar industry has a profound sociological impact worldwide. Its influence is global, with most individuals being concerned with conserving their physical appearance, beauty, and youth. The consumers’ desire for novel, better, and safer products has stimulated the utilization of natural-product-based cosme ...
- DOI:
- 10.1080/07388551.2018.1503995
- https://doi.org/10.1080/07388551.2018.1503995
- Author:
- Franceses Clementi
- Source:
- Critical reviews in biotechnology 1997 v.17 no.4 pp. 327-361
- ISSN:
- 1549-7801
- Subject:
- Azotobacter vinelandii; algae; alginates; bacteria; chemical composition; molecular weight; physiology; polymers; rheology
- Abstract:
- ... Although all commercial alginates are today of algal origin, there is interest in the production of alginate-like polymers from bacteria. The species Azotobacter vinelandii seems to be the best candidate for the industrial production of alginate molecules characterized by a chemical composition, molecular mass and molecular mass distribution suited to a well defined application, especially require ...
- DOI:
- 10.3109/07388559709146618
- PubMed:
- 9397533
- https://doi.org/10.3109/07388559709146618
- Author:
- Xiaoyan He; Yi Liu; Xiuqin Bai; Chengqing Yuan; Hua Li
- Source:
- Biochemical engineering journal 2018 v.139 pp. 25-32
- ISSN:
- 1369-703X
- Subject:
- Bacillus (bacteria); Chlorella pyrenoidosa; Phaeodactylum tricornutum; adhesion; adsorption; albumins; algae; alginates; aquatic bacteria; atomic force microscopy; biofilm; biofouling; biomass; marine environment; roughness; seawater; silicon; surface roughness; wafers; wettability
- Abstract:
- ... Adhesion of microorganisms in the marine environment is one of the initial events responsible for the occurrence of biofouling. A variety of factors play roles in regulating adhesion behaviors and subsequent biofilm formation. Here the study was focused on the influence of the typical marine polysaccharide alginate and the protein albumin on the attachment and colonization of Bacillus sp., Chlorel ...
- DOI:
- 10.1016/j.bej.2018.08.006
- https://doi.org/10.1016/j.bej.2018.08.006
- Author:
- Aarstad Olav; Strand Berit Løkensgard; Klepp-Andersen Lise Mari; Skjåk-Bræk Gudmund
- Source:
- Biomacromolecules 2013 v.14 no.10 pp. 3409-3416
- ISSN:
- 1526-4602
- Subject:
- algae; alginate gels; alginates; calcium; crosslinking; modulus of elasticity; molecular weight; nanocomposites; polymers
- Abstract:
- ... This paper reports a study of the distribution and function of homopolymeric guluronic acid blocks (G-blocks) in enzymatically modified alginate. High molecular weight mannuronan was incubated with one native (AlgE6) and two engineered G-block generating mannuronan C-5 epimerases (AlgE64 and EM1). These samples were found to contain G-blocks with a DP ranging from 20 to approximately 50, lacking t ...
- DOI:
- 10.1021/bm400658k
- https://doi.org/10.1021/bm400658k
- Author:
- Patricia Pérez-Larrán; Elena M. Balboa; María Dolores Torres; Herminia Domínguez
- Source:
- Waste and biomass valorization 2020 v.11 no.4 pp. 1261-1269
- ISSN:
- 1877-2641
- Subject:
- Sargassum muticum; algae; alginates; antioxidants; autohydrolysis; cytotoxicity; ethyl acetate; inhibitory concentration 50; liquid-liquid extraction; liquids; pressing; sap; thawing; viscoelasticity
- Abstract:
- ... A novel multistage water-based process was evaluated for the production of sap and other liquid fractions from frozen Sargassum muticum in an attempt to propose an integral and yearly-around utilization of this invasive alga. Three aqueous extracts including (i) the defrosting liquid phase, (ii) the sap liquid obtained by pressing and (iii) the autohydrolysis extract from the solid residue remaini ...
- DOI:
- 10.1007/s12649-018-0456-x
- https://doi.org/10.1007/s12649-018-0456-x
- Author:
- Lisa Mazéas; Rina Yonamine; Tristan Barbeyron; Bernard Henrissat; Elodie Drula; Nicolas Terrapon; Chikako Nagasato; Cécile Hervé
- Source:
- Seminars in cell & developmental biology 2022 pp. -
- ISSN:
- 1084-9521
- Subject:
- algae; alginates; biosynthesis; chemical composition; extracellular matrix; genes; glycosyltransferases; growth and development; models; sulfotransferases
- Abstract:
- ... In brown algae, the extracellular matrix (ECM) and its constitutive polymers play crucial roles in specialized functions, including algal growth and development. In this review we offer an integrative view of ECM construction in brown algae. We briefly report the chemical composition of its main constituents, and how these are interlinked in a structural model. We examine the ECM assembly at the t ...
- DOI:
- 10.1016/j.semcdb.2022.03.005
- https://doi.org/10.1016/j.semcdb.2022.03.005
- Author:
- Geovani Rocha de Freitas; Melissa Gurgel Adeodato Vieira; Meuris Gurgel Carlos da Silva
- Source:
- Industrial & engineering chemistry process design and development 2018 v.57 no.34 pp. 11767-11777
- ISSN:
- 1520-5045
- Subject:
- algae; alginates; batch systems; biomass; biosorbents; biosorption; copper; desorption; endothermy; enthalpy; entropy; models; nitric acid; process design; wastes
- Abstract:
- ... The aim of this work is to investigate the biosorption of Cu(II) by an acidified waste product from the alginate extraction of algae in batch system and fixed bed columns. The results showed that the maximum copper biosorption capacity verified for the acidified biosorbent at 313 K was 3.580 mmol g–¹ and equilibrium isotherms were best described by the Dubinin–Radushkevich model. Thermodynamic ana ...
- DOI:
- 10.1021/acs.iecr.8b02541
- https://doi.org/10.1021/acs.iecr.8b02541
- Author:
- Ravikumar K.V.G.; Hemamalathi Kubendiran; Kavitha Ramesh; Sonia Rani; Tapas Kumar Mandal; Mrudula Pulimi; Chandrasekaran Natarajan; Amitava Mukherjee
- Source:
- Environmental technology & innovation 2020 v.17 pp. 100520
- ISSN:
- 2352-1864
- Subject:
- Punica granatum; adsorption; algae; alginates; aqueous solutions; bacteria; batch systems; biodegradability; cell viability; nanocomposites; nanoparticles; nickel; polyphenols; pomegranates; remediation; response surface methodology; tetracycline; toxicity
- Abstract:
- ... In the current work, NiFe nanocomposite was synthesized using polyphenol rich pomegranate (Punica granatum) peel extract and NiFe was immobilized into biocompatible and biodegradable alginate to form NiFe nanocomposite beads (GS-NiFe beads). This study is a best ecofriendly approach for the effective removal of tetracycline (TC) from aqueous solutions. The factors influencing the removal were opti ...
- DOI:
- 10.1016/j.eti.2019.100520
- https://doi.org/10.1016/j.eti.2019.100520
- Author:
- Cristina Landa-Cansigno; Gustavo Hernández-Carmona; Dora Luz Arvizu-Higuera; Mauricio Muñoz-Ochoa; Claudia Judith Hernández-Guerrero
- Source:
- Journal of applied phycology 2017 v.29 no.5 pp. 2605-2615
- ISSN:
- 0921-8971
- Subject:
- Eisenia arborea; algae; alginates; anticoagulant activity; anticoagulants; antioxidant activity; blades; chemical composition; fucoidan; harvesting; median effective concentration; Mexico
- Abstract:
- ... The aim of this study was to describe the bimonthly variation in the proximate chemical composition, alginate, and fucoidan yield and ethanolic extract content, including the anticoagulant and antioxidant activity of the extracts and quality tests of alginates, from blades and stipes of Eisenia arborea collected in Bahía Magdalena, Baja California Sur, Mexico. Significant differences were found in ...
- DOI:
- 10.1007/s10811-017-1195-2
- https://doi.org/10.1007/s10811-017-1195-2
- Author:
- Ailen M. Poza; Carolina Fernández; M. Cecilia Gauna; Elisa R. Parodi
- Source:
- Algal research 2018 v.33 pp. 379-388
- ISSN:
- 2211-9264
- Subject:
- Leathesia; algae; alginates; antioxidant activity; cytotoxicity; environmental factors; gametogenesis; gametophytes; nutrient content; organic matter; pigments; polyphenols; protein content; seawater; spores; sporophytes; storage time; temperature; zygote
- Abstract:
- ... In recent years, interest in the chemical composition of algae, and the art of farming them, has grown due to their nutritional and health benefits. Species of Leathesia collected from nature have pharmaceutical properties, such as antitumor, antiviral, antioxidant and cytotoxic activity. Accordingly, their culture under controlled conditions is fundamental for the sustainable maintenance of natur ...
- DOI:
- 10.1016/j.algal.2018.06.015
- https://doi.org/10.1016/j.algal.2018.06.015
- Author:
- T. Baykal Ozer; I. Acıkgoz Erkaya; Abel U. Udoh; D. Yalcın Duygu; Aydın Akbulut; Gulay Bayramoglu; M. Yakup Arica
- Source:
- Environmental science and pollution research international 2012 v.19 no.7 pp. 2983-2993
- ISSN:
- 0944-1344
- Subject:
- Fourier transform infrared spectroscopy; Pediastrum; algae; alginates; aqueous solutions; batch systems; biomass; biosorbents; biosorption; endothermy; models; pH; pollution; research; sorption isotherms; temperature; thermodynamics
- Abstract:
- ... BACKGROUND AND PURPOSE: The biosorption of Cr(VI) from aqueous solution has been studied using free and immobilized Pediastrum boryanum cells in a batch system. The algal cells were immobilized in alginate and alginate–gelatin beads via entrapment, and their algal cell free counterparts were used as control systems during biosorption studies of Cr(VI). METHODS: The changes in the functional groups ...
- DOI:
- 10.1007/s11356-012-0809-0
- https://doi.org/10.1007/s11356-012-0809-0
- Author:
- Olav Andreas Aarstad; Annalucia Stanisci; Gerd Inger Sætrom; Anne Tøndervik; Håvard Sletta; Finn Lillelund Aachmann; Gudmund Skjåk-Bræk
- Source:
- Biomacromolecules 2019 v.20 no.4 pp. 1613-1622
- ISSN:
- 1526-4602
- Subject:
- Azotobacter vinelandii; Phaeophyceae; active sites; algae; alginates; bacteria; biosynthesis; calcium; epimerases and racemases; gel strength; gelation; gels; mechanism of action; modulus of elasticity; polymers; raw materials; strength (mechanics)
- Abstract:
- ... With the present accessibility of algal raw material, microbial alginates as a source for strong gelling material are evaluated as an alternative for advanced applications. Recently, we have shown that alginate from algal sources all contain a fraction of very long G-blocks (VLG), that is, consecutive sequences of guluronic acid (G) residues of more than 100 residues. By comparing the gelling prop ...
- DOI:
- 10.1021/acs.biomac.8b01796
- https://doi.org/10.1021/acs.biomac.8b01796
- Author:
- Yue Zhang; Yayuan Mo; Thierry Vincent; Catherine Faur; Eric Guibal
- Source:
- Chemosphere 2021 v.281 pp. 130844
- ISSN:
- 0045-6535
- Subject:
- algae; alginates; aqueous solutions; bioremediation; biosorbents; biosorption; chemical reduction; chromates; chromium; desorption; pH; polyethyleneimine; reaction kinetics; reaction mechanisms; sorption isotherms
- Abstract:
- ... APEI beads (algal/alginate-PEI) were quaternized for enhancing the sorption of Cr(VI) (Q-APEI). The readily reduction of Cr(VI) into Cr(III) in acidic solution and in the presence of organic material constitute an additional phenomenon to be taken into account for the removal of Cr(VI) by Q-APEI. The optimal pH value for both the sorption and reduction of Cr(VI) was close to 2. The sorption isothe ...
- DOI:
- 10.1016/j.chemosphere.2021.130844
- https://doi.org/10.1016/j.chemosphere.2021.130844
- Author:
- Steven Beuder; Siobhan A. Braybrook
- Source:
- Seminars in cell & developmental biology 2022 pp. -
- ISSN:
- 1084-9521
- Subject:
- adhesion; algae; alginates; cell growth; cell walls; eukaryotic cells
- Abstract:
- ... Brown algae are complex multicellular eukaryotes whose cells possess a cell wall, which is an important structure that regulates cell size and shape. Alginate and fucose-containing sulfated polysaccharides (FCSPs) are two carbohydrate types that have major roles in influencing the mechanical properties of the cell wall (i.e. increasing or decreasing wall stiffness), which in turn regulate cell exp ...
- DOI:
- 10.1016/j.semcdb.2022.03.003
- https://doi.org/10.1016/j.semcdb.2022.03.003
- Author:
- Oscar G. Paniz; Claudio M. P. Pereira; Bruna S. Pacheco; Silvana I. Wolke; Guilherme K. Maron; Andrés Mansilla; Pio Colepicolo; Marcelo O. Orlandi; Alice G. Osorio; Neftali L. V. Carreño
- Source:
- Cellulose 2020 v.27 no.1 pp. 113-126
- ISSN:
- 0969-0239
- Subject:
- Cystosphaera; Fourier transform infrared spectroscopy; X-ray diffraction; agar; algae; alginates; alkali treatment; biomass; bleaching; carrageenan; cellulose; cellulose nanofibers; crystal structure; drugs; freeze drying; raw materials; scanning electron microscopy; tissue engineering; Antarctic region
- Abstract:
- ... Algae biomass is a raw material widely used by many industrial sectors, such as food production, pharmaceuticals, cosmetics, fertilizers, biofuels, and many others. Its usage is mainly due to the phycocolloids content, such as alginates, carrageenans, agar, etc. One of the polysaccharides present in this biomass, and still little explored is cellulose, an important resource with several technologi ...
- DOI:
- 10.1007/s10570-019-02794-2
- https://doi.org/10.1007/s10570-019-02794-2