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An in vitro study of two GAG-like marine polysaccharides incorporated into injectable hydrogels for bone and cartilage tissue engineering ArchiMer
Rederstorff, Emilie; Weiss, Pierre; Sourice, S.; Pilet, P.; Xie, F.; Sinquin, Corinne; Colliec-jouault, Sylvia; Guicheux, Jerome; Laib, S..
Natural polysaccharides are attractive compounds with which to build scaffolds for bone and cartilage tissue engineering. Here we tested two non-standard ones, HE800 and GY785, for the two-dimensional (2-D) and three-dimensional (3-D) culture of osteoblasts (MC3T3-E1) and chondrocytes (C28/I2). These two glycosaminoglycan-like marine exopolysaccharides were incorporated into an injectable silylated hydroxypropylmethylcellulose-based hydrogel (Si-HPMC) that has already shown its suitability for bone and cartilage tissue engineering. Results showed that, similarly to hyaluronic acid (HA) (the control), HE800 and GY785 significantly improved the mechanical properties of the Si-HPMC hydrogel and induced the attachment of MC3T3-E1 and C28/I2 cells when these...
Tipo: Text Palavras-chave: Glycosaminoglycan; Hydrogel; Polysaccharide; Bone and cartilage tissue engineering; In vitro test.
Ano: 2011 URL: http://archimer.ifremer.fr/doc/00030/14090/15747.pdf
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Anti-Metastatic Properties of a Marine Bacterial Exopolysaccharide-Based Derivative Designed to Mimic Glycosaminoglycans ArchiMer
Heymann, Dominique; Ruiz-velasco, Carmen; Chesneau, Julie; Ratiskol, Jacqueline; Sinquin, Corinne; Colliec-jouault, Sylvia.
Osteosarcoma is the most frequent malignant primary bone tumor characterized by a high potency to form lung metastases. In this study, the effect of three oversulfated low molecular weight marine bacterial exopolysaccharides (OS-EPS) with different molecular weights (4, 8 and 15 kDa) were first evaluated in vitro on human and murine osteosarcoma cell lines. Different biological activities were studied: cell proliferation, cell adhesion and migration, matrix metalloproteinase expression. This in vitro study showed that only the OS-EPS 15 kDa derivative could inhibit the invasiveness of osteosarcoma cells with an inhibition rate close to 90%. Moreover, this derivative was potent to inhibit both migration and invasiveness of osteosarcoma cell lines; had no...
Tipo: Text Palavras-chave: Exopolysaccharides; Glycosaminoglycan; Heparin-like; Derivatives; Sulfation; Bone metabolism; Bone remodeling; Lung mestatases; Osteosarcoma.
Ano: 2016 URL: https://archimer.ifremer.fr/doc/00333/44442/44112.pdf
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Antiviral Activities of Sulfated Polysaccharides Isolated from Sphaerococcus coronopifolius (Rhodophytha, Gigartinales) and Boergeseniella thuyoides (Rhodophyta, Ceramiales) ArchiMer
Bouhlal, Rhimou; Haslin, Camille; Chermann, Jean-claude; Colliec-jouault, Sylvia; Sinquin, Corinne; Simon, Gaelle; Cerantola, Stephane; Riadi, Hassane; Bourgougnon, Nathalie.
Water-soluble sulfated polysaccharides isolated from two red algae Sphaerococcus coronopifolius (Gigartinales, Sphaerococcaceae) and Boergeseniella thuyoides (Ceramiales, Rhodomelaceae) collected on the coast of Morocco inhibited in vitro replication of the Human Immunodeficiency Virus (HIV) at 12.5 mu g/mL. In addition, polysaccharides were capable of inhibiting the in vitro replication of Herpes simplex virus type 1 (HSV-1) on Vero cells values of EC(50) of 4.1 and 17.2 mu g/mL, respectively. The adsorption step of HSV-1 to the host cell seems to be the specific target for polysaccharide action. While for HIV-1, these results suggest a direct inhibitory effect on HIV-1 replication by controlling the appearance of the new generations of virus and...
Tipo: Text Palavras-chave: Herpes simplex virus; Human immunodeficiency virus; Antiviral activity; Sulfated polysaccharide; S. coronopifolius; B. thuyoides; Chemical composition.
Ano: 2011 URL: http://archimer.ifremer.fr/doc/00060/17120/14631.pdf
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Assembly of HE800 exopolysaccharide produced by a deep-sea hydrothermal bacterium into microgels for protein delivery applications ArchiMer
Zykwinska, Agata; Marquis, Melanie; Sinquin, Corinne; Cuenot, Stephane; Colliec-jouault, Sylvia.
Assembly of biopolymers into microgels is an elegant strategy for bioencapsulation with various potential biomedical applications. Such biocompatible and biodegradable microassemblies are developed not only to protect the encapsulated molecule but also to ensure its sustained local delivery. The present study describes the fabrication of microassemblies from a marine HE800 exopolysaccharide (EPS), which displays a glycosaminoglycan (GAG)-like structure and biological properties. HE800 EPS was assembled, through physical cross-linking with divalent ions, into microgel particles and microfibers using microfluidics. The microparticle morphology was highly affected by the polysaccharide concentration and its molecular weight. A model protein, namely Bovine...
Tipo: Text Palavras-chave: Marine exopolysaccharide; Microgel particles; Microfibers; Microfluidic; Microencapsulation; Protein release.
Ano: 2016 URL: https://archimer.ifremer.fr/doc/00311/42175/41475.pdf
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Assessment of biochemical methods to detect enzymatic depolymerization of polysaccharides ArchiMer
Rigouin, Coraline; Delbarre Ladrat, Christine; Sinquin, Corinne; Colliec-jouault, Sylvia; Dion, M.
To find biocatalyst allowing depolymerization of new polysaccharides, one needs to get a sensitive and well adapted method to a screening program. This led us to compare biochemical methods of detection of the depolymerization. Currently used methods such as reducing sugars assays, double bond monitoring or molecular weight determination were tested to follow the kinetic of depolymerization with different enzyme / polysaccharide couples. The range of concentrations of assorted enzymes allowed us to identify the most sensitive and appropriate method to detect polysaccharide degradation. Reducing sugars assays are quantitative, sensitive and almost usable with all kind of polysaccharide but some compounds may interfere with them. When polysaccharide is...
Tipo: Text Palavras-chave: Detection; Enzyme; Depolymerization; Carbohydrate.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/2008/publication-4723.pdf
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Bioprospecting for Exopolysaccharides from Deep-Sea Hydrothermal Vent Bacteria: Relationship between Bacterial Diversity and Chemical Diversity ArchiMer
Delbarre-ladrat, Christine; Salas, Marcia Leyva; Sinquin, Corinne; Zykwinska, Agata; Colliec-jouault, Sylvia.
Many bacteria biosynthesize structurally diverse exopolysaccharides (EPS) and excrete them into their surrounding environment. The EPS functional features have found many applications in industries such as cosmetics and pharmaceutics. In particular, some EPS produced by marine bacteria are composed of uronic acids, neutral sugars, and N-acetylhexosamines, and may also bear some functional sulfate groups. This suggests that they can share common structural features with glycosaminoglycans (GAG) like the two EPS (HE800 and GY785) originating from the deep sea. In an attempt to discover new EPS that may be promising candidates as GAG-mimetics, fifty-one marine bacterial strains originating from deep-sea hydrothermal vents were screened. The analysis of the...
Tipo: Text Palavras-chave: Exopolysaccharides; GAG; Marine bacteria; Glycopolymers; Sulfate; Production.
Ano: 2017 URL: https://archimer.ifremer.fr/doc/00399/51090/51873.pdf
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Capillary electrophoresis determination of the binding affinity of bioactive sulfated polysaccharides to proteins: study of the binding properties of fucoidan to antithrombin ArchiMer
Varenne, A; Gareil, P; Colliec-jouault, Sylvia; Daniel, R.
The interaction of proteins with polysaccharides represents a major and challenging topic in glycobiology, since such complexes mediate fundamental biological mechanisms. An affinity capillary electrophoresis method has been developed to evidence the complex formation and to determine the binding properties between an anticoagulant polysaccharide of marine origin, fucoidan, and a potential target protein, antithrombin. This method is a variant of zonal electrophoresis in the mobility shift format. A fixed amount of protein was injected into a capillary filled with a background electrolyte containing the polysaccharide in varying concentrations. The effective mobility data of the protein were processed according to classical linearization treatments to...
Tipo: Text Palavras-chave: Antithrombin; Fucoidan; Electrophoresis; Protein interaction; Polysaccharides.
Ano: 2003 URL: http://archimer.ifremer.fr/doc/2003/publication-2114.pdf
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Characterization, chemical modifications and in vitro anticoagulant properties of an exopolysaccharide produced by Alteromonas infernus ArchiMer
Colliec-jouault, Sylvia; Chevolot, Lionel; Helley, Dominique; Ratiskol, Jacqueline; Bros, Andrée; Sinquin, Corinne; Roger, Olivier; Fischer, Anne-marie.
A new low-molecular-weight 'heparin-like' component was obtained from an exopolysaccharide produced by a mesophilic strain found in deep-sea hydrothermal vents. Data concerning the structure of the native high-molecular-weight exopolysaccharide (10(6) g/mol, 10% sulfate content) are reported for the first time. Two depolymerization processes were used to obtain low-molecular-weight (24-35 x 10(3) g/mol) oversulfated fractions (sulfate content 20 or 40%), Nuclear magnetic resonance studies indicated that after sulfation (40%), the low-molecular-weight fraction obtained by free radical depolymerization was less sulfated in the 6-O-position than the fraction depolymerized by acid hydrolysis. The free radical depolymerized product also had sulfated residues in...
Tipo: Text Palavras-chave: Sulfation; Sulfated polysaccharide; Serpin; Heparin like; Depolymerization; Anticoagulant activity; Affinity co electrophoresis.
Ano: 2001 URL: http://archimer.ifremer.fr/doc/2001/publication-2111.pdf
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Deep-sea Hydrothermal Vent Bacteria as a Source of Glycosaminoglycan-Mimetic Exopolysaccharides ArchiMer
Zykwinska, Agata; Marchand, Laetitia; Bonnetot, Sandrine; Sinquin, Corinne; Colliec-jouault, Sylvia; Delbarre-ladrat, Christine.
Bacteria have developed a unique strategy to survive in extreme environmental conditions through the synthesis of an extracellular polymeric matrix conferring upon the cells a protective microenvironment. The main structural component of this complex network constitutes high-molecular weight hydrophilic macromolecules, namely exopolysaccharides (EPS). EPS composition with the presence of particular chemical features may closely be related to the specific conditions in which bacteria evolve. Deep-sea hydrothermal vent bacteria have already been shown to produce EPS rich in hexosamines and uronic acids, frequently bearing some sulfate groups. Such a particular composition ensures interesting functional properties, including biological activities mimicking...
Tipo: Text Palavras-chave: Exopolysaccharide; Glycosaminoglycan; Uronic acid; Hexosamine; Phylogenetic analysis.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00506/61756/65728.pdf
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Design Polysaccharides of Marine Origin: Chemical Modifications to Reach Advanced Versatile Compounds ArchiMer
Chopin, Nathalie; Guillory, Xavier; Weiss, Pierre; Le Bideau, Jean; Colliec-jouault, Sylvia.
Polysaccharides are among the most abundant macromolecules on Earth. These polymers are easily obtained from various marine resources such as algae, microorganisms and crustacean shells. The structure of these natural carbohydrates is innovative and quite complex. Marine biopolymers represent key scaffolds toward large challenging fields, such as biomedical applications (glycosaminoglycans, regenerative medicine and drug delivery) and tailored biomaterials. Chemical modifications can be applied to modify their final properties in a specific purpose. New functional glycans are achievable and represent a real potential with their intrinsic biocompatibility and biodegradability. Hydroxyl groups are ubiquitous in polysaccharides structure and involved in most...
Tipo: Text Palavras-chave: Alginates; Carrageenans; Chemical modification; Chitin; Chitosan; Grafting; Marine polysaccharide; Polymer.
Ano: 2014 URL: https://archimer.ifremer.fr/doc/00199/31027/29902.pdf
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Effect of an oversulfated exopolysaccharide on angiogenesis induced by fibroblast growth factor-2 or vascular endothelial growth factor in vitro ArchiMer
Matou, Sabine; Colliec-jouault, Sylvia; Galy Fauroux, Isabelle; Ratiskol, Jacqueline; Sinquin, Corinne; Guezennec, Jean; Fischer, Anne-marie; Helley, Dominique.
The aim of this study was to determine the angiogenic properties of an oversulfated exopolysaccharide (OS-EPS) derived from a polysaccharide secreted by the mesophilic bacterium Alteromonas infernus. We compared the effect of this OS-EPS with that of a non-oversulfated exopolysaccharide (EPS) on human umbilical vein endothelial cell (HUVEC) proliferation, migration and differentiation induced by basic fibroblast growth factor (FGF-2) or vascular endothelial growth factor (VEGF). OS-EPS enhanced HUVEC proliferation by 58% when used alone, and by respectively 30% and 70% in the presence of FGF-2 and VEGF. OS-EPS also increased the density of tubular structures on Matrigel in the presence of FGF-2 or VEGF. Vascular tube fort-nation was related to alpha(6)...
Tipo: Text Palavras-chave: Matrigel; Collagen gel; Alpha 6 integrin subunit; Angiogenic growth factor; Polysaccharide; Angiogenesis.
Ano: 2005 URL: http://archimer.ifremer.fr/doc/2005/publication-2118.pdf
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Effect of Low Molecular Weight Fucoidan and Low Molecular Weight Heparin in a Rabbit Model of Arterial Thrombosis ArchiMer
Durand, E; Helley, D; Zen, A; Dujols, C; Bruneval, P; Colliec-jouault, Sylvia; Fischer, Aurelie; Lafont, A.
Background: Therapeutic use of unfractionated heparin and low molecular weight heparins (LMWHs) is limited by hemorrhagic adverse effects. We compared the antithrombotic effect of LMW fucoidan (LMWF) and LMWH in an experimental model. Methods: Thrombosis was induced in femoral arteries of male New Zealand White rabbits by in situ induction of endothelial apoptosis with staurosporine (10(-5) M for 30 min). Starting the day before apoptosis induction, the animals received subcutaneous LMWF (15 mg/kg), LMWH (enoxaparin 2.5 mg/kg) or saline solution (control group) twice a day for 4 days. Results: The degrees of apoptosis and endothelial denudation were similar in the 3 groups. The thrombotic score was significantly lower in the LMWF group than in the LMWH and...
Tipo: Text Palavras-chave: Tissue factor; Tissue factor pathway inhibitor; Heparin; Fucoidan; Thrombosis.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/2008/publication-4744.pdf
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Effect of low-molecular-weight fucoidan on experimental arterial thrombosis in the rabbit and rat ArchiMer
Colliec-jouault, Sylvia; Millet, J; Helley, D; Sinquin, Corinne; Fischer, Am.
Tipo: Text Palavras-chave: Arterial thrombosis; Polyaccharide; Fucoidan.
Ano: 2003 URL: http://archimer.ifremer.fr/doc/2003/publication-2116.pdf
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Effects of a sulfated exopolysaccharide produced by Altermonas infernus on bone biology ArchiMer
Velasco, C. Ruiz; Baud'Huin, M.; Sinquin, Corinne; Maillasson, M.; Heymann, D.; Colliec-jouault, Sylvia; Padrines, M..
The growth and differentiation of bone cells is controlled by various factors which can be modulated by heparan sulphates. Here, we investigated the effects of an oversulphated exopolysaccharide (OS-EPS) on bone. We compared the effect of this compound with that of a native exopolysaccharide (EPS). Long-term administration of OS-EPS causes cancellous bone loss in mice due, in part, to an increase in the number of osteoclasts lining the trabecular bone surface. No significant difference in cancellous bone volume was found between EPS-treated mice and age-matched control mice, underlying the importance of sulphation in trabecular bone loss. However, the mechanism sustaining this osteoporosis was unclear. To clarify OS-EPS activities, we investigated the...
Tipo: Text Palavras-chave: Bone metabolism; Bone remodeling; Exopolysaccharide; Glycosaminoglycan; Heparin.
Ano: 2011 URL: http://archimer.ifremer.fr/doc/00032/14300/15749.pdf
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Enriching a cellulose hydrogel with a biologically active marine exopolysaccharide for cell-based cartilage engineering ArchiMer
Rederstorff, E.; Rethore, G.; Weiss, P.; Sourice, S.; Beck-cormier, S.; Mathieu, E.; Maillasson, M.; Jacques, Y.; Colliec-jouault, Sylvia; Fellah, B. H.; Guicheux, J.; Vinatier, C..
The development of biologically and mechanically competent hydrogels is a prerequisite in cartilage engineering. We recently demonstrated that a marine exopolysaccharide, GY785, stimulates the in vitro chondrogenesis of adipose stromal cells. In the present study, we thus hypothesized that enriching our silated hydroxypropyl methylcellulose hydrogel (Si-HPMC) with GY785 might offer new prospects in the development of scaffolds for cartilage regeneration. The interaction properties of GY785 with growth factors was tested by surface plasmon resonance (SPR). The biocompatibility of Si-HPMC/GY785 towards rabbit articular chondrocytes (RACs) and its ability to maintain and recover a chondrocytic phenotype were then evaluated in vitro by MTS assay, cell counting...
Tipo: Text Palavras-chave: Cartilage; Hydrogel; Glycosaminoglycan; Marine polysaccharides; Chondrocytes; Tissue engineering.
Ano: 2017 URL: https://archimer.ifremer.fr/doc/00303/41449/40650.pdf
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Enzymatic depolymerization of the GY785 exopolysaccharide produced by the deep-sea hydrothermal bacterium Alteromonas infernus : structural study and enzyme activity assessment ArchiMer
Zykwinska, Agata; Berre, Ludivine Tripon-le; Sinquin, Corinne; Ropartz, David; Rogniaux, Helene; Colliec-jouault, Sylvia; Delbarre-ladrat, Christine.
Polysaccharides have attracted much attention due to their interesting physico-chemical and also biological properties that are explored in food, cosmetic and pharmaceutical industries. GY785 exopolysaccharide (EPS) presenting an unusual structure is secreted by the deep-sea hydrothermal bacterium, Alteromonas infernus. Low-molecular weight (LMW) derivatives obtained by chemical depolymerization of the native high molecular weight (HMW) EPS were previously shown to exhibit biological properties similar to glycosaminoglycans (GAG). In the present study, in order to generate well defined derivatives with a better control of the depolymerization, an enzymatic approach was applied for the first time. Various commercially available enzymes were firstly screened...
Tipo: Text Palavras-chave: Exopolysaccharide; Enzyme; Depolymerization; Oligosaccharide; Mass spectrometry.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00423/53458/54352.pdf
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Exopolysaccharide biosynthesis and biodegradation by a marine hydrothermal Alteromonas sp. strain ArchiMer
Lelchat, Florian; Cozien, Joelle; Le Costaouec, Tinaig; Brandily, Christophe; Schmitt, Sophie; Baudoux, Anne-claire; Colliec-jouault, Sylvia; Boisset, Claire.
Alteromonas macleodii subsp. fijiensis biovar deepsane is a deep-sea ecotype exopolysaccharide-producing bacteria isolated from the polychaete annelid Alvinella pompejana. The high molecular weight biopolymer HYD657 produced by this strain, is the first marine exopolysaccharide (EPS) to be commercialized for cosmetic use. Depolymerization methods are necessary to elucidate the complete structure of this EPS and to generate potentially bioactive oligosaccharides. Enzymatic methods are useful for elucidating polysaccharide structure because they specifically cleave glycosidic bonds and do not require harsh chemical conditions. The HYD657 EPS is structurally complex and no commercially available enzymes are able to effectively degrade it. Here, we present the...
Tipo: Text Palavras-chave: Marine Alteromonas macleodii sp strain; Bacterial exopolysaccharides; Microbial extracellular enzymes; Endogenous enzymatic degradation.
Ano: 2015 URL: https://archimer.ifremer.fr/doc/00240/35129/33893.pdf
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Exopolysaccharides produced by bacteria isolated from deep-sea hydrothermal vents: new agents with therapeutic potential ArchiMer
Colliec-jouault, Sylvia; Zanchetta, P; Helley, D; Ratiskol, Jacqueline; Sinquin, Corinne; Fischer, A. M.; Guezennec, Jean.
Bacterial polysaccharides offer fascinating potential applications for the pharmaceutical industry. Although many known marine bacteria produce exopolysaccharides (EPS), continuation in looking for new polysaccharide-producing micro-organisms is promising. Marine bacteria, isolated from deep-sea hydrothermal vents, have demonstrated their ability to produce in aerobic conditions, unusual EPS. With the aim of discovering biological activities, EPS presenting different structural features were studied. An EPS secreted by Vibrio, diabolicus was evaluated on the restoration of bone integrity in experimental model and was demonstrated to be a strong bone-healing material. Another EPS produced by Alteromonas infernus was modified in order to obtain new...
Tipo: Text Palavras-chave: Hydrothermal vents; Exopolysaccharides; Bone healing; Biomimetic; Anticoagulant activity; Sources hydrothermales; Exopolysaccharide; Cicatrisation osseuse; Biomimétique; Activité anticoagulante.
Ano: 2004 URL: http://archimer.ifremer.fr/doc/2004/publication-2117.pdf
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Exopolysaccharides produced by marine bacteria and their applications as glycosaminoglycan-like molecules ArchiMer
Delbarre-ladrat, Christine; Sinquin, Corinne; Lebellenger, Lou; Zykwinska, Agata; Colliec-jouault, Sylvia.
Although polysaccharides are ubiquitous and the most abundant renewable bio-components, their studies, covered by the glycochemistry and glycobiology fields, remain a challenge due to their high molecular diversity and complexity. Polysaccharides are industrially used in food products; human therapeutics fall into a more recent research field and pharmaceutical industry is looking for more and more molecules with enhanced activities. Glycosaminoglycans (GAGs) found in animal tissues play a critical role in cellular physiological and pathological processes as they bind many cellular components. Therefore, they present a great potential for the design and preparation of therapeutic drugs. On the other hand, microorganisms producing exopolysaccharides (EPS)...
Tipo: Text Palavras-chave: Marine-derivedpolysaccharide; Biodiversity; Biologicalactivity; Structure; Modification; GAG-mimetic; Biosynthesis.
Ano: 2014 URL: https://archimer.ifremer.fr/doc/00241/35250/33764.pdf
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Free-radical depolymerization with metallic catalysts of an exopolysaccharide produced by a bacterium isolated from a deep-sea hydrothermal vent polychaete annelid ArchiMer
Petit, Anne-celine; Noiret, N; Sinquin, Corinne; Ratiskol, Jacqueline; Guezennec, Jean; Colliec-jouault, Sylvia.
Free-radical depolymerization with metallic catalysts has been investigated to depolymerize an exopolysaccharide (EPS), with a high molecular weight (> 10(6) g/Mol), produced by the bacterium Alteromonas macleodii subsp. fijiensis biovar deepsane. Three metals (copper, zinc and manganese) were used either alone or mixed. These metals led to the depolymerization of the high molecular weight bacterial polysaccharide with different efficiency. This study specifies some conditions required to produce, with good reproducibility and yield, EPS derivatives of reduced molecular weight ranging from 100,000 to 20,000 g/mol. The more influential parameters are specified. This is a first study to find suitable industrial conditions in the presence of these metallic...
Tipo: Text Palavras-chave: Bacterial exopolysaccharide; Free radical depolymerization; H202; Metal.
Ano: 2006 URL: http://archimer.ifremer.fr/doc/2006/publication-2146.pdf
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