Relevant bibliographies by topics / Oligosaccaridi

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  1. Journal articles
  2. Dissertations / Theses

Academic literature on the topic 'Oligosaccaridi'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Oligosaccaridi"

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Corsaro, Maria M, Giuseppina Pieretti, Buko Lindner, et al. "Highly Phosphorylated Core Oligosaccaride Structures from Cold-AdaptedPsychromonas arctica." Chemistry - A European Journal 14, no. 30 (2008): 9368–76. http://dx.doi.org/10.1002/chem.200800117.

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Simpson, R. M., R. Van_Hekezen, F. Van_Lune, D. Brewster, J. T. Christeller, and A. G. Spiers. "Extracellular enzymes of Chondrostereum purpureum causal fungus of silverleaf disease." New Zealand Plant Protection 54 (August 1, 2001): 202–8. http://dx.doi.org/10.30843/nzpp.2001.54.3740.

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Chondrostereum purpureum the casual fungus of silverleaf disease was grown on solid media supplemented with a range of oligosaccaride carbon sources Extracellular extracts were analysed for a range of wooddegrading enzymes The results indicate that C purpureum is a highly specialised plant pathogen which does not produce lignin degrading enzymes Cellulose substrates produced slow growth of the fungus but induced large amounts of enzymes able to degrade celluloses xyloglucans and pectins Growth on Link pectin and pectin was rapid with the induction of enzymes able to degrade pectins and cellula
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Göktürk, S., M. Mahramanlloglu та M. Tunçay. "Surface tension studies of lauryl sulfobetaine - β-cyclodextrin and dodecyltrimethylammonium bromide - β-cyclodextrin inclusion complexes in aqueous solution". Canadian Journal of Chemistry 77, № 7 (1999): 1208–13. http://dx.doi.org/10.1139/v99-115.

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β-Cyclodextrin (β-CD) is a cyclic oligosaccaride with an apolar cavity that shows a certain degree of selectivity in binding organic and inorganic compounds. Lauryl sulfobetaine (LSB) and dodecyltrimethylammonium bromide (DTAB), having the same hydrophobic and different polar groups are used in order to compare the influence of the polar group on complex formation with β-CD. The surface tension increased as β-CD is added to premicellar region of amphoteric (LSB) and cationic surfactant (DTAB) solutions. The relation between the surface tension and surfactant concentration can be expressed by t
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Salame, Aarti, Anil Kumar, and B. C. Mondal. "Efficacy of dietary mannan-oligosaccarides and citric acid on growth performance and nutrient utilization in broiler chickens." Indian Journal of Poultry Science 53, no. 3 (2018): 274. http://dx.doi.org/10.5958/0974-8180.2018.00052.1.

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Severcan, Feride, Nese Kaptan, and Belma Turan. "Fourier Transform Infrared Spectroscopic Studies of Diabetic Rat Heart Crude Membranes." Spectroscopy 17, no. 2-3 (2003): 569–77. http://dx.doi.org/10.1155/2003/472834.

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Application of mid infrared spectroscopy in diabetic tissues will be presented which highlight the promise of this technique in medical research. Examples presented mainly will focus on diabetic rat heart crude membranes. Diabetes mellitus (DM) was induced in rats by streptozotocin (STZ) injection that is one of the most popular experimental models for the study of type I diabetes. The shift in the peak positions, bandwidths and the intensity of the bands in FTIR spectra were analyzed to have valuable structural and functional information, which may have diagnostic value. In the diabetic membr
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Christy, Alfred A. "Comparison of Water Adsorption Characteristics of Oligo and Polysaccharides of α-Glucose Studied by Near Infrared Spectroscopy". Advanced Materials Research 1035 (жовтень 2014): 476–82. http://dx.doi.org/10.4028/www.scientific.net/amr.1035.476.

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The adsorption properties of water molecules on oligo and polysaccharides are attributed to the OH groups of the glucose rings in the molecules. The water molecules are adsorbed onto OH groups by hydrogen bond formation. Near infrared spectroscopic and gravimetric techniques were used in analysing the adsorption characteristics of malto-oligosaccharides and some polysaccharides. Near infrared spectra of the dry oligo and polysaccharides were acquired during the adsorption of water molecules at a relative humidity of 50-55%. The amounts of water adsorbed by the samples were also recorded by an
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Suzuki, Ko, Akio Tokoro, Yoshio Okawa, Shigeo Suzuki, and Masuko Suzuki. "Enhancing effects of N-acetyl-chito-oligosaccarides on the active oxygen-generating and microbicidal activities of peritoneal exudate cells in mice." CHEMICAL & PHARMACEUTICAL BULLETIN 33, no. 2 (1985): 886–88. http://dx.doi.org/10.1248/cpb.33.886.

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Ibrahim, Azliza, Raja Affendi Raja Ali, Mohd Rizal Abdul Manaf, et al. "Multi-strain probiotics (Hexbio) containing MCP BCMC strains improved constipation and gut motility in Parkinson’s disease: A randomised controlled trial." PLOS ONE 15, no. 12 (2020): e0244680. http://dx.doi.org/10.1371/journal.pone.0244680.

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Objective We determined the effectiveness of a multi-strain probiotic (Hexbio®) containing microbial cell preparation MCP®BCMC® on constipation symptoms and gut motility in PD patients with constipation. Methods PD patients with constipation (ROME III criteria) were randomized to receive a multi-strain probiotic (Lactobacillus sp and Bifidobacterium sp at 30 X 109 CFU) with fructo-oligosaccaride or placebo (fermented milk) twice daily for 8 weeks. Primary outcomes were changes in the presence of constipation symptoms using 9 items of Garrigues Questionnaire (GQ), which included an item on bowe
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Song, Wen, Nuo Zhang, Mo Yang, Yuling Zhou, Nisha He, and Guimin Zhang. "Multiple strategies to improve the yield of chitinase a from Bacillus licheniformis in Pichia pastoris to obtain plant growth enhancer and GlcNAc." Microbial Cell Factories 19, no. 1 (2020). http://dx.doi.org/10.1186/s12934-020-01440-y.

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Abstract Chitinase and chitin-oligosaccaride can be used in multiple field, so it is important to develop a high-yield chitinase producing strain. Here, a recombinant Pichia pastoris with 4 copies of ChiA gene from Bacillus licheniformis and co-expression of molecular chaperon HAC1 was constructed. The amount of recombinant ChiA in the supernatant of high-cell-density fermentation reaches a maximum of 12.7 mg/mL, which is 24-fold higher than that reported in the previous study. The recombinant ChiA can hydrolyze 30% collodidal chitin with 74% conversion ratio, and GlcNAc is the most abundant h
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Dissertations / Theses on the topic "Oligosaccaridi"

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FERRARI, SUSANNA. "Messa a punto di tecniche molecolari per lo studio della microflora intestinale di soggetti in età pediatrica." Doctoral thesis, Università Cattolica del Sacro Cuore, 2007. http://hdl.handle.net/10280/79.

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La DGGE ha messo in evidenza le modificazioni indotte da un prebiotico sul genere Bacteroides mentre non ha evidenziato variazioni a carico dei bifidobatteri. Ha messo in risalto come, durante lo svezzamento, i generi batterici dominanti subiscano variazioni correlate alla variabilità individuale mentre, in soggetti affetti dal morbo di Crohn, sia la TGGE che la DGGE evidenziano i drastici cambiamenti prodotti dalla nutrizione enterale. La quantificazione mediante Real-time PCR non ha messo in risalto variazioni statisticamente significative per Bifidobacterium, Bacteroides e C. difficile tra
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Valente, Giulio. "Analisi e sviluppo di impianti a membrana in cascata per il frazionamento di oligosaccaridi." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018.

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L’obiettivo dell’elaborato è mettere a punto una procedura per dimensionare un impianto a membrana in cascata per il frazionamento di oligosaccaridi, con particolare attenzione alle caratteristiche di processo principali. A tale scopo, si è fatto riferimento ad un processo di nanofiltrazione, basandosi sulla disponibilità di dati sperimentali, ottenuti per la separazione di destrosio da altre impurezze. Sono state messe a punto due metodologie. L’elaborato si suddivide in quattro capitoli. Nell’introduzione sono menzionati i principali processi a membrana e le loro caratteristiche rilevanti. V
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Zanoni, Simona <1979&gt. "Metabolismo di oligosaccaridi prebiotici in Bifidobacterium per il potenziale sviluppo di nuovi prodotti alimentari funzionali." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2008. http://amsdottorato.unibo.it/642/.

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The growth and the metabolism of Bifidobacterium adolescentis MB 239 fermenting GOS, lactose, galactose, and glucose were investigated. An unstructerd unsegregated model for growth of B. adolescentis MB 239 in batch cultures was developed and kinetic parameters were calculated with a Matlab algorithm. Galactose was the best carbon source; lactose and GOS led to lower growth rate and cellular yield, but glucose was the poorest carbon source. Lactate, acetate and ethanol yields allowed calculation of the carbon fluxes toward fermentation products. Similar distribution between 3- and 2-carb
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Pellerin, Patrice. "Caractérisation des oligosaccarides de Methanothrix soehngenii : mise en évidence de liaisons covalentes avec les protéines." Lille 1, 1987. http://www.theses.fr/1987LIL10067.

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Nous avons étudié les glucides de la souche Fe de Methanothrix soehngenii bactérie méthanogène dominante dans les digesteurs anaérobies. Les cellules sont dépourvues d'exopolysaccarides solubles mais contiennent 2% de glycogène intracellulaire. Methanothrix est entourée d'une gaine protéique très résistante aux agents protéolytiques, chaotropiques et dénaturants, qui contient, dans le cas de la souche FE, 7% de glucides. Nous avons montré que le milieu de culture et le mode de lyse des cellules ont une incidence sur la composition glucidique des préparations de gaine et avons constaté une gran
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Bruel, Laëtitia. "Identification et caractérisation d'une enzyme bifonctionnelle de Ruminococcus gnavus E1 (AgaSK), présentant une activité [alpha]-galactosidase et une activité kinase." Thesis, Aix-Marseille, 2014. http://www.theses.fr/2014AIXM4309.

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Les α-galactosides sont des glucides non digestibles constitués d'unités galactose liées en α(1,6). Les α-galactosides de la famille du raffinose (RFO) sont, avec le saccharose, les principaux oligosaccharides des légumineuses. Cependant, aucune activité α(1,6)-galactosidase n'est retrouvée au niveau de l'épithélium intestinal humain, les RFO sont donc exclusivement fermentés par les enzymes microbiennes. Ces travaux introduisent une enzyme bifonctionnelle de Ruminococcus gnavus E1, un membre majoritaire du microbiote intestinal humain, présentant une activité α(1,6)-galactosidase/ saccharose
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