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Letteratura scientifica selezionata sul tema "Polysaccharide"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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Articoli di riviste sul tema "Polysaccharide"

Al-Wraikat, Majida, Yun Liu, Limei Wu, Zeshan Ali, and Jianke Li. "Structural Characterization of Degraded Lycium barbarum L. Leaves’ Polysaccharide Using Ascorbic Acid and Hydrogen Peroxide." Polymers 14, no. 7 (2022): 1404. http://dx.doi.org/10.3390/polym14071404.

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Plant-derived polysaccharide’s conformation and chain structure play a key role in their various biological activities. Lycium barbarum L. leaves’ polysaccharide is well renowned for its health functions. However, its functional bioactivities are greatly hindered by its compact globular structure and high molecular weight. To overcome such issue and to improve the functional bioactivities of the polysaccharides, degradation is usually used to modify the polysaccharides conformation. In this study, the ethanol extract containing crude Lycium barbarum L. leaves’ polysaccharide was first extracte

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Khalilova, Gulnoza Abduvahobovna, Abbaskhan Sabirkhanovich Turaev, Bakhtiyor Ikromovich Muhitdinov, Al'bina Vasil'yevna Filatova, Saida Bokizhonovna Haytmetova, and Nodirali Sokhobatalievich Normakhamatov. "ISOLATION, PHYSICO-CHEMICAL CHARACTERISTICS OF POLYSACCHARIDE ISOLATED FROM THE FRUIT BODY OF INONOTUS HISPIDUS." chemistry of plant raw material, no. 3 (September 27, 2021): 99–106. http://dx.doi.org/10.14258/jcprm.2021039028.

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The article is devoted to the study of polysaccharides isolated from the basidiomycete raw material I. hispidus and studying their physical and chemical properties. Water-soluble polysaccharides were isolated from mushroom raw materials by the method of sequential water extraction and the yield was 9.44%. Polysaccharides were separated into neutral fractions by ion exchange chromatography and purified from proteins and peptides. During the separation process, it was determined that the polysaccharide sample consisted of homogeneous polysaccharides, while the carbohydrate content of the purifie

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Whang, Yoon Hee, Soo Kyung Kim, Hyeseon Yoon, et al. "Reduction of free polysaccharide contamination in the production of a 15-valent pneumococcal conjugate vaccine." PLOS ONE 15, no. 12 (2020): e0243909. http://dx.doi.org/10.1371/journal.pone.0243909.

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Glycoconjugate vaccines are vaccines in which a bacterial polysaccharide antigen is conjugated to a carrier protein to enhance immunogenicity by promoting T cell-dependent immune response. However, the free (unreacted) polysaccharides remaining after the conjugation process can inhibit the immunogenicity of a conjugate vaccine. Thus, we aimed to reduce the unbound free polysaccharides in the polysaccharide-protein conjugation process for the development of a new 15-valent pneumococcal conjugate vaccine (PCV15) by varying some factors that may affect the conjugation results such as polysacchari

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Chen, Yan, Hanchen Du, Wenjie Qu, et al. "Comparison of Polygonatum sibiricum Polysaccharides from Different Extraction Methods." Foods 14, no. 13 (2025): 2188. https://doi.org/10.3390/foods14132188.

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Although our previous research has indicated that the ultrasound-assisted extraction–deep eutectic solvent method possessed the highest extraction yield for Polygonatum sibiricum Polysaccharide, it is uncertain whether the Polygonatum sibiricum Polysaccharide that was extracted by the ultrasound-assisted extraction–deep eutectic solvent method possesses the same performance as that extracted by other methods and whether separation and purification affect the performance of Polygonatum sibiricum Polysaccharide. This paper aimed to compare the differences in performance among the Polygonatum sib

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Schifferle, R. E., H. J. Jennings, M. R. Wessels, E. Katzenellenbogen, R. Roy, and D. L. Kasper. "Immunochemical analysis of the types Ia and Ib group B streptococcal polysaccharides." Journal of Immunology 135, no. 6 (1985): 4164–70. http://dx.doi.org/10.4049/jimmunol.135.6.4164.

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Abstract The types Ia and Ib group B streptococcal type-specific polysaccharides have remarkable immunologic differences despite a great deal of structural similarity. Although these two complex polysaccharides differ only by a single glycosidic linkage, they are antigenically distinct. Furthermore, terminal sialic acid residues appear to be critical to the immunodeterminant on the type Ia polysaccharide, whereas the antigenicity of the type Ib polysaccharide does not show this dependence on sialic acid. In the current investigation we defined better the immunodeterminant of these polysacchari

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Guo, Qingbin, Xingyue Xiao, Laifeng Lu, et al. "Polyphenol–Polysaccharide Complex: Preparation, Characterization, and Potential Utilization in Food and Health." Annual Review of Food Science and Technology 13, no. 1 (2022): 59–87. http://dx.doi.org/10.1146/annurev-food-052720-010354.

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Polysaccharides and polyphenols coexist in many plant-based food products. Polyphenol–polysaccharide interactions may affect the physicochemical, functional, and physiological properties, such as digestibility, bioavailability, and stability, of plant-based foods. In this review, the interactions (physically or covalently linked) between the selected polysaccharides and polyphenols are summarized. The preparation and structural characterization of the polyphenol–polysaccharide conjugates, their structural–interaction relationships, and the effects of the interactions on functional and physiolo

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Yang, Haiyan, Dawei Wang, Jia Deng, et al. "Activity and Structural Characteristics of Peach Gum Exudates." International Journal of Polymer Science 2018 (June 3, 2018): 1–5. http://dx.doi.org/10.1155/2018/4593735.

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Polysaccharide fractions were prepared from peach gum exudates by treatments with alkaline hydrogen peroxide (AHP) and liquid hot water (LHW). The structural characteristics and activities of the polysaccharide fractions were comparatively studied. The results suggested that arabinogalactans substituted with xylose and uronic acids were the main structure of all polysaccharide fractions. AHP and LHW treatments introduced the degradation of the polysaccharides, reducing the molecular weight of polysaccharides from 182500 g/mol to 78450 g/mol and 68420 g/mol, respectively. The decreasement of mo

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Savidge, Rodney Arthur, and J. Ross Colvin. "Production of cellulose and soluble polysaccharides by Acetobacter xylinum." Canadian Journal of Microbiology 31, no. 11 (1985): 1019–25. http://dx.doi.org/10.1139/m85-192.

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Alkali-insoluble cellulose and water-soluble polysaccharide production by wild-type Acetobacter xylinum colony and liquid cultures was investigated. The mass of cellulose exceeded that of soluble polysaccharides in liquid cultures while the reverse situation occurred in colony cultures. The soluble polysaccharide fraction, 3 × 105 to 5 × 105 in molecular weight, was found by DEAE-Sephacel chromatography to be a complex of several acidic, nitrogenfree polysaccharides. One acidic polysaccharide was predominant in the complex, and gas–liquid chromatography and mass spectrometry showed this to con

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Wang, Zi, Ju-Hong Chen, Ling-Shuai Wang, Juan Ding, Ming-Wen Zhao, and Rui Liu. "GlPP2C1 Silencing Increases the Content of Ganodermalingzhi Polysaccharide (GL-PS) and Enhances Slt2 Phosphorylation." Journal of Fungi 8, no. 9 (2022): 949. http://dx.doi.org/10.3390/jof8090949.

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Polysaccharides have attracted much attention in the food industry due to their diverse biological activities. To date, research on the mechanism of polysaccharide synthesis has mainly focused on the role of crucial enzymes in the polysaccharide synthesis pathway, but other genes that regulate polysaccharide synthesis have not been well explored. In this study, the GlPP2C1 gene, encoding a phosphoprotein type 2C phosphatase, was cloned, and PP2C-silenced strains (PP2C1i-1 and PP2C1i-3) were screened. Measurements of the polysaccharide content and cell wall tolerance revealed that GlPP2C1 silen

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Wang, Qiong, Mengmeng Xu, Liting Zhao, Lei Chen, and Zhongyang Ding. "Novel Insights into the Mechanism Underlying High Polysaccharide Yield in Submerged Culture of Ganoderma lucidum Revealed by Transcriptome and Proteome Analyses." Microorganisms 11, no. 3 (2023): 772. http://dx.doi.org/10.3390/microorganisms11030772.

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Polysaccharides are crucial dietary supplements and traditional pharmacological components of Ganoderma lucidum; however, the mechanisms responsible for high polysaccharide yields in G. lucidum remain unclear. Therefore, we investigated the mechanisms underlying the high yield of polysaccharides in submerged cultures of G. lucidum using transcriptomic and proteomic analyses. Several glycoside hydrolase (GH) genes and proteins, which are associated with the degradation of fungal cell walls, were significantly upregulated under high polysaccharide yield conditions. They mainly belonged to the GH

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Tesi sul tema "Polysaccharide"

Gillis, Richard Benjamin. "Protein polysaccharide complexes : permanent/nonpermanent interactions between polysaccharides and polypeptides." Thesis, University of Nottingham, 2015. http://eprints.nottingham.ac.uk/28240/.

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This investigation looks at the hydrodynamic characterisation of both covalent and non-covalent protein polysaccharide complexes in the context of novel treatments and healthcare. New techniques were employed and evaluated, such as the MUTLTISIG and SEDFIT-MSTAR algorithms for sedimentation equilibrium analysis, as well as the Extended Fujita Approach for sedimentation velocity. Other characterisation techniques were used such as viscometry, density measurement, Dynamic Light Scattering and Size Exclusion Chromatography coupled to Multi Angle Light Scattering. Therapeutics for the treatment of

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Karlsson, Camilla. "Structures of some bacterial polysaccharides with focus on pneumococcal polysaccharides and their associated C-polysaccharide /." Stockholm, 1998. http://diss.kib.ki.se/search/diss.se.cfm?19980515karl.

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Turquois, Tristan. "Interactions polysaccharide-polysaccharide : la synergie kappa carraghénane-galactomannane." Université Joseph Fourier (Grenoble), 1991. http://www.theses.fr/1991GRE10172.

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L'établissement de relations structure-propriétés peut conduire à l'amélioration des propriétés des réseaux et des gels et à l'élaboration de systèmes plus performants en vue d'une application définie. Aussi, au cours de ce travail, nous nous somme proposes de mettre en évidence la structure qui intervient pour les mélanges kappa carraghenane-caroube et agarose-caroube. Différentes techniques expérimentales d'étude nous ont permis d'aborder la gélification ainsi que les réseaux et les gels à l'état final : la résonance magnétique nucléaire du carbone 13 (RMN 13C); la diffusion aux petits angle

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Liu, Shu. "Regioselective Synthesis of Polysaccharide-based Polyelectrolytes." Diss., Virginia Tech, 2018. http://hdl.handle.net/10919/91194.

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Polysaccharides are one of the most abundant and diverse families of natural polymers, and have an incredibly wide range of natural functions including structural reinforcement, energy storage, aqueous rheology modification, and communication and identity. Application of native polysaccharides like cellulose as sustainable materials is limited by some inherent drawbacks such as insolubility in common solvents including water, and poor dimensional stability. To increase their functionality and utility, researchers have sought to tailor the chemical and physical properties of cellulose and other

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Chouana, Toufik. "Caractérisation structurale et activités biologiques des polysaccharides d'Astragalus gombo bunge." Thesis, Université Clermont Auvergne‎ (2017-2020), 2017. http://www.theses.fr/2017CLFAC112/document.

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Astragalus gombo Bunge (Fabaceae) est une plante bien représentée dans le Sahara Septentrional Est Algérien (région de Ouargla, Algérie) et couramment utilisée comme fourrage pour les animaux ou en médecine traditionnelle. Malgré de nombreuses publications sur la richesse en polysaccharides d’autres espèces appartenant au genre Astragalus et la description de leurs propriétés biologiques putatives ou avérées, aucune étude ne s’est intéressée à l’espèce gombo. L’objectif de ce travail de thèse a donc été de réaliser des investigations sur plusieurs parties de cette plante en vue d’extraire, ide

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Diedericks, Claudine Florett. "Functional properties of bambara groundnut (Vigna subterranea (L.) Verdc.) non-starch polysaccharides in model and food systems." Thesis, Cape Peninsula University of Technology, 2014. http://hdl.handle.net/20.500.11838/833.

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Thesis submitted in fulfilment of the requirements for the degree Master of Technology: Food Technology in the Faculty of Applied Sciences at the Cape Peninsula University of Technology<br>The aim of this study was to evaluate bambara groundnut [BGN] non-starch polysaccharides [NSP] subject to the incorporation into model and food systems with a view to establish their functional and physicochemical properties. BGN insoluble dietary fibre [BGNIF] and soluble dietary fibre [BGNSF] were successfully extracted from four varieties (black-eye: BLE, red: RED, brown: BRN and brown-eye: BRE).

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Mazzoccoli, Jason Paul. "ULTRASONICATION OF POLYSACCHARIDE MATERIALS." Cleveland, Ohio : Case Western Reserve University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=case1262572128.

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Thesis (Doctor of Philosophy)--Case Western Reserve University, 2010<br>Department of Chemical Engineering Title from PDF (viewed on 2010-05-25) Includes abstract Includes bibliographical references and appendices Available online via the OhioLINK ETD Center

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Fleet, Reda. "RAFT mediated polysaccharide copolymers." Thesis, Link to the online version, 2006. http://hdl.handle.net/10019/1025.

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Jones, Amanda Kay. "Hydrophobicity in polysaccharide gelation." Thesis, Cranfield University, 1992. http://dspace.lib.cranfield.ac.uk/handle/1826/4595.

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The role of hydrophobic substituents on the gelation mechanism of highly esterified pectin and the cellulose derivatives methylcellulose and hydroxypropylmethylcellulose (HPMC) has been explored by monitoring the behaviour of the amphiphilic polysaccharides in varying combinations of an ethylene glycoVwater solvent. The gelling ability (mechanical spectroscopy, visual observation) of very highly esterified (- 100%) pectin in high concentrations of ethylene glycol (>60%) is greatly reduced, however, the polymer still undergoes conformational ordering (CD, OR). A model for gel formation involvin

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Poirot, Robin. "Design of polysaccharide-based nanogels for the controlled release of insulin." Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAV089.

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La prise en charge du diabète de type I se fait à l’heure actuelle par des injections pluriquotidiennes d’insuline ou par l’utilisation d’une pompe à insuline qui va mimer l’activité pancréatique. Dans ce contexte, les nanogels sensibles au glucose représentent des candidats à fort potentiel pour une délivrance contrôlée de l’insuline.La majorité des matériaux développés à ce jour ne présentent pas d’études en vue d’application in vivo et ce, pour diverses raisons telles que la non validation du caractère biocompatible et biorésorbable de la matrice polymère. Afin de répondre à ces deux critèr

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Libri sul tema "Polysaccharide"

1937-, Franz G., and Blaschek Wolfgang 1949-, eds. Polysaccharide. Springer-Verlag, 1991.

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Franz, Gerhard, ed. Polysaccharide. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-76613-8.

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Burchard, Walther, ed. Polysaccharide. Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/978-3-642-70099-6.

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El-Nokaly, Magda A., and Helena A. Soini, eds. Polysaccharide Applications. American Chemical Society, 1999. http://dx.doi.org/10.1021/bk-1999-0737.

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1939-, Dumitriu Severian, ed. Polysaccharides: Structural diversity and functional versatility. 2nd ed. Marcel Dekker, 2005.

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Jana, Sougata, Subrata Jana, and Abraham J. Domb, eds. Polysaccharide-based Biomaterials. Royal Society of Chemistry, 2022. http://dx.doi.org/10.1039/9781839166235.

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Huang, Jin, Peter R. Chang, Ning Lin, and Alain Dufresne, eds. Polysaccharide-Based Nanocrystals. Wiley-VCH Verlag GmbH & Co. KGaA, 2015. http://dx.doi.org/10.1002/9783527689378.

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Habibi, Youssef, and Lucian A. Lucia, eds. Polysaccharide Building Blocks. John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118229484.

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Yee Liew, Soon, Wim Thielemans, Stefan Freunberger, and Stefan Spirk. Polysaccharide Based Supercapacitors. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-50754-5.

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Kalia, Susheel, and M. W. Sabaa, eds. Polysaccharide Based Graft Copolymers. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36566-9.

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Capitoli di libri sul tema "Polysaccharide"

Franz, G. "Polysaccharide: Eine Einführung." In Polysaccharide. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-76613-8_1.

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Blaschek, W. "Isolierung und Analytik von Polysacchariden." In Polysaccharide. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-76613-8_2.

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Burchard, W. "Physikalisch Chemische Eigenschaften von Polysacchariden." In Polysaccharide. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-76613-8_3.

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Nürnberg, E. "Einsatz von Polysacchariden in der Pharmazeutischen Technologie." In Polysaccharide. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-76613-8_4.

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Wagner, H. "Polysaccharide mit spezifischem Einfluß auf das Immunsystem." In Polysaccharide. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-76613-8_5.

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Koehler, H. "Polysaccharide in der Lebensmitteltechnologie." In Polysaccharide. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-76613-8_6.

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Blaschek, W. "Cellulose." In Polysaccharide. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-76613-8_7.

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Koch, H., and H. Röper. "Stärke." In Polysaccharide. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-76613-8_8.

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Miyakawa, Shin. "Polysaccharide." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-11274-4_1257.

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Miyakawa, Shin. "Polysaccharide." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-44185-5_1257.

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Atti di convegni sul tema "Polysaccharide"

Geesey, G. G., J. G. Jolley, and M. R. Hankins. "Evaluation of Occurrence and Relative Concentration of Organic Products of Biofilm Metabolism That Accumulate at Corroding Copper Surfaces." In CORROSION 1989. NACE International, 1989. https://doi.org/10.5006/c1989-89190.

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Abstract Attenuated total reflectance-Fourier transform infrared spectroscopy was used to detect components of the exopolymers elaborated by film-forming bacteria that accumulated on a copper-surface. Water was subtracted from spectra in order to detect ir absorption bands characteristic of proteins and other organic molecules that concentrated at the liquid-solid interface. Polysaccharide and protein were detected in the exopolymer fraction on the basis of their characteristic ir absorption bands. Adsorption of polysaccharide to the copper thin film was demonstrated by comparing spectra colle

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Ghosh, Supratim, Burcu Guldiken, Maxime Saffon, and Michael Nickeson. "Improved emulsification behaviour of pea protein-polysaccharide complexes for beverage application." In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/oniy9265.

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Proteins are widely used as emulsifiers in food formulations. However, emulsifying properties of proteins are weak at pH values close to their isoelectric point resulting in destabilization. Protein-polysaccharide interactions have been proposed to improve the emulsification behaviour of proteins in such conditions. In this work, two different polysaccharides (pectin and gum Arabic) with a range of surface charges were chosen to investigate their interactions with pea proteins. The initial aim was to investigate the effect of heat treatment on the complexation of pea protein isolate (PPI) and

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Tarigan, Juliati Br, Diana A. Barus, and Nico Hot Asi Naibaho. "Synthesis of Carboxymethyl Polysaccharide from Arenga Pinnata Polysaccharide and Monochloroasetic." In International Conference on Chemical Science and Technology Innovation. SCITEPRESS - Science and Technology Publications, 2019. http://dx.doi.org/10.5220/0008854100630068.

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SUNG, J. H., H. J. CHOI, and M. S. JHON. "BIOCOMPATIBLE POLYSACCHARIDE BASED ELECTRORHEOLOGICAL SUSPENSIONS." In Proceedings of the Ninth International Conference. WORLD SCIENTIFIC, 2005. http://dx.doi.org/10.1142/9789812702197_0076.

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Lee, Jae-Won, Hyo-Seok An, and Kuen Yong Lee. "Polysaccharide-Based Hydrogels for Tissue Engineering." In The World Congress on Recent Advances in Nanotechnology. Avestia Publishing, 2016. http://dx.doi.org/10.11159/nddte16.112.

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Liu, Jie, Keyong Tang, Xuejing Zheng, and Yitong Dong. "Heat sealable soluble soybean polysaccharide based composite films containing gelatin and curcumin for oil packaging." In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/rsfv1079.

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Polysaccharides have the potential to be used as green packaging materials because of their biodegradability, biocompatibility and renewability. In this work, soluble soybean polysaccharide (SSPS) based films containing gelatin and curcumin were fabricated for oil packaging. These composite films were heat seable and can easily be made into pouches. These pouches were used as food packaging material in edible oil packaging. The structure, physical and mechanical properties of the SSPS-based composite films were investigated. When compared to neat SSPS and SSPS/gelatin films, the composite film

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Arefeva, Oksana A., Pavel E. Kuznetsov, Sergey A. Tolmachev, Machammad S. Kupadze, Boris N. Khlebtsov, and Svetlana M. Rogacheva. "Computer simulation and experimental study of the polysaccharide-polysaccharide interaction in the bacteria Azospirillum brasilense Sp245." In Saratov Fall Meeting 2002 Laser Physics and Photonics, Spectroscopy, and Molecular Modeling III; Coherent Optics of Ordered and Random Media III, edited by Dmitry A. Zimnyakov, Vladimir L. Derbov, Leonid A. Melnikov, and Lev M. Babkov. SPIE, 2003. http://dx.doi.org/10.1117/12.518617.

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Generalov, E. A., D. P. Laryushkin, K. A. Kritskaya, and L. V. Generalova. "ANTI-HYPOXIC ACTIVITY OF POLYSACCHARIDE FROM SOLANUM TUBEROSUM L." In XI МЕЖДУНАРОДНАЯ КОНФЕРЕНЦИЯ МОЛОДЫХ УЧЕНЫХ: БИОИНФОРМАТИКОВ, БИОТЕХНОЛОГОВ, БИОФИЗИКОВ, ВИРУСОЛОГОВ, МОЛЕКУЛЯРНЫХ БИОЛОГОВ И СПЕЦИАЛИСТОВ ФУНДАМЕНТАЛЬНОЙ МЕДИЦИНЫ. IPC NSU, 2024. https://doi.org/10.25205/978-5-4437-1691-6-58.

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Polysaccharide (STP) was isolated from the aqueous extract of Solanum tuberosum L. and purified by ion exchange chromatography and gel filtration. The antihypoxic effect of the polysaccharide was demonstrated in a model of normobaric hypoxia in female outbred white mice.

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Murungi, Pearl Isabellah, Aliyu Adebayo Sulaimon, Oscar Ssembatya, and Princess Nwankwo. "A Review of Natural Polysaccharides as Corrosion Inhibitors: Recent Progress and Future Opportunities." In SPE Nigeria Annual International Conference and Exhibition. SPE, 2022. http://dx.doi.org/10.2118/211964-ms.

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Abstract Preventing and mitigating corrosion problems can be very challenging due to technical considerations and prohibitive economic implications. It is thus imperative to arrest the escalating corrosion rates and impede the deterioration effects of corrosion with versatile remedies. In this review, previous research efforts on the application of plant-derived polysaccharides as potential inhibitors of metal corrosion in various aggressive media are studied. The deployment of corrosion inhibitors has proven to be an outstanding solution to prolonging the lifespan of metals. However, the most

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Terpstra, J. "Stabilizing self-levelling concrete with polysaccharide additive." In SCC'2005-China - 1st International Symposium on Design, Performance and Use of Self-Consolidating Concrete. RILEM Publications SARL, 2005. http://dx.doi.org/10.1617/2912143624.021.

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Rapporti di organizzazioni sul tema "Polysaccharide"

Gutnick, David, and David L. Coplin. Role of Exopolysaccharides in the Survival and Pathogenesis of the Fire Blight Bacterium, Erwinia amylovora. United States Department of Agriculture, 1994. http://dx.doi.org/10.32747/1994.7568788.bard.

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Fireblight, a disease of apples and pears, is caused by Erwinia amylovora. Mutants of E. amylovora that do not produce the extreacellular polysaccharide (EPS), amylovoran, are avirulent. A similar EPS, stewartan, is produced by E. stewartii, which caused Stewart's wilt of corn, and which has also been implicated in the virulence of this strain. Both stewartan and amylovoran are type 1 capsular polysaccharides, typified by the colanic acid slime produced by Escherichia coli. Extracellular polysaccharide slime and capsules are important for the virulence of bacterial pathogens of plants and anim

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KELLY, ROBERT M. POLYPEPTIDE AND POLYSACCHARIDE PROCESSING IN HYPERTHERMOPHILIC MICROORGANISMS. Office of Scientific and Technical Information (OSTI), 2008. http://dx.doi.org/10.2172/944546.

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Duval, Paul, and Christopher Chancellor. Safety Evaluation of Nitric Acid Reactions with Non-Polysaccharide Organic Materials. Office of Scientific and Technical Information (OSTI), 2020. http://dx.doi.org/10.2172/1648067.

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กังสดาลอำไพ, อรอนงค์, สุธี สุนทรธรรม, ธิติรัตน์ ปานม่วง та แก้ว กังสดาลอำไพ. การศึกษาโปรตีนและสารต้านคุณค่าทางโภชนาการในกระถิน เมล็ดฟักทอง และเมล็ดมะขาม : รายงานผลการวิจัย. จุฬาลงกรณ์มหาวิทยาลัย, 1989. https://doi.org/10.58837/chula.res.1989.6.

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โรคขาดโปรตีนและแคลอรี่เป็นปัญหาทางด้านโภชนาการที่สำคัญของประเทศไทย การศึกษานี้จึงนำใบกระถิน เมล็ดกระถิน และเมล็ดฟักทอง มาแยกโปรตีนโดยการตกตะกอนด้วยความร้อน การปรับ pH และเติมแคลเซียมซัลเฟต แล้วหาปริมาณกรดอะมิโนและสารต้านโภชนาการคือ มิโมซีน ไฟเตต ทริพซินอินฮิบิทเตอร์ และฮีแมกกลูตินินในโปรตีนไอโซเลตที่ได้เปรียบเทียบกันในวัตถุดิบ พบว่าโปรตีนไอโซเลตที่ได้จากการตกตะกอนโปรตีนด้วยความร้อน และการปรับ pH จะมีปริมาณโปรตีน (ไนโตรเจน x 6.25) สูงกว่าในโปรตีนไอโซเลตที่ได้จากการตกตะกอนด้วยแคลเซียมซัลเฟต แต่ปริมาณกรดอะมิโนในโปรตีนไอโซเลตที่ได้จากการตกกตะกอนโปรตีนด้วยความร้อนจะมีปริมาณสูงสุด Amino acid score ข

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Thorbecke, G. J., and Zoltan Ovary. Effect of Adjuvants on Response to Pneumococcal Polysaccharide Injected Intraperitoneally. Platelet-Derived Immunoregulatory Activity. Defense Technical Information Center, 1985. http://dx.doi.org/10.21236/ada162996.

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พงษ์สามารถ, สุนันท์. การศึกษาสารสกัดคาร์โบฮัยเดรตจากเปลือกทุเรียนเพื่อใช้เป็นสารแขวนตะกอน. จุฬาลงกรณ์มหาวิทยาลัย, 1989. https://doi.org/10.58837/chula.res.1989.7.

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สกัดสารคาร์โบไฮเดรตจากเปลือกทุเรียน (Durio zibethinus Linn.) เป็น 2 fraction คือ crude fraction (F I) ได้จากการตกตะกอย aqueous extract จากเปลือกทุเรียนสดด้วย 60% alcohol และ purified fraction (F II) ได้จากการทำ crude extract ซึ่งเตรียมจากการตกตะกอน acid-alcohol ของ aqueous extract จากเปลือกทุเรียนสดมาทำให้บริสุทธิ์โดยตกตะกอนซ้ำด้วย alcohol การสกัดตามวิธีทั้งสองจะให้ F I 2.18% และ F II 1.03% ตามลำดับ สารสกัดเปลือกทุเรียนมีลักษณะเป็นของแข็ง ผงของสารมีรูปร่างไม่แน่นอน พบมีรูปร่างเป็นก้อนกลมและเป็นไฟเบอร์จากการดูด้วยกล้องจุลทรรศน์อิเล็กตรอนแบบ scanning F I เป็นผงสีน้ำตาลอ่อน F II เป็นผงสีขาวนวล มี

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พงษ์สามารถ, สุนันท์. การศึกษาสารสกัดคาร์โบฮัยเดรตจากเปลือกทุเรียนเพื่อใช้เป็นสารแขวนตะกอน. จุฬาลงกรณ์มหาวิทยาลัย, 1991. https://doi.org/10.58837/chula.res.1991.8.

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Buller, C. S. Optimization and scale-up of fermentation process for production of microbial polysaccharide. Final technical progress report. Office of Scientific and Technical Information (OSTI), 1994. http://dx.doi.org/10.2172/188561.

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พงษ์สามารถ, สุนันท์, พนิดา วยัมหสุวรรณ та นฤพร สุตัณฑวิบูลย์. ผลิตภัณฑ์เจลและแผ่นแปะแผลของสารสกัดพอลิแซคคาไรด์จากเปลือกทุเรียน : รายงานการวิจัย. คณะเภสัชศาสตร์ จุฬาลงกรณ์มหาวิทยาลัย, 2006. https://doi.org/10.58837/chula.res.2006.31.

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การสกัดสารเจลพอลิแซกคาไรด์ หรือ PG จากเปลือกของผลทุกเรียน (Durio zibethinus Murr.) ได้สารสกัด PG 9-10% ของน้ำหนักเปลือกแห้ง เตรียมผล PG ด้วยวิธีอบแห้งและป่นเป็นผงได้ผงสีขาวอมส้มของ PGมีขนาด 222.28-301.68 µm สมารถเตรียมผงแห้ง microparticle ของ PG ได้โดยวิธี spry dried โดยใช้ 0.5% ของสารละลาย PG ในน้ำ จากการวิเคราะห์ทางเคมี พบว่า PG เป็นสารคาร์โบไฮเดรตพวก polysaccharide องค์ประกอบมีโครงนร้างของ α-helix และมีน้ำตาลพวก uronic acid มี aldose และ ketose sugar และ pentose sugar มีองค์ประกอบของแร่ธาตุ ได้แก่ Na Ca เป็นส่วนใหญ่ มี K และ Mg ปานกลาง แร่ธาตุที่พบน้อย คือ Fe Zn Cu และ Mn ผง PG เมื่อละลายใน

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Koch, Lisa M., Casey Crooks, and Franz St. John. Development of a high-performance gel filtration chromatography polysaccharide sizing method to facilitate glycoside hydrolase functional analysis. U.S. Department of Agriculture, Forest Service, Forest Products Laboratory, 2024. http://dx.doi.org/10.2737/fpl-rn-427.

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