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Carbohydrate polymers
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biotechnology
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- Author:
- Jiafu Shen; Ruixue Chang; Limin Chang; Yong Wang; Kuilin Deng; Dong Wang; Jianglei Qin
- Source:
- Carbohydrate polymers 2022 v.281 pp. 119052
- ISSN:
- 0144-8617
- Subject:
- acute toxicity; biocompatibility; biodegradability; bioimaging; biotechnology; carbohydrates; drugs; gelation; hydrazides; hydrogels; luminescence; naphthalene; oxidation
- Abstract:
- ... Self-healing hydrogels with biodegradability have great potential biomedical application in drug loading and delivery, wound dressing and tissue engineering. In this research, biodegradable hydrogels were designed from oxidized CMC (CMC-CHO) and PEO₂₃ dinaphthoate hydrazide (PEO₂₃ DNH) with naphthalene structure for potential bio-imaging purpose. Results showed that the gelation time of this self- ...
- DOI:
- 10.1016/j.carbpol.2021.119052
- https://doi.org/10.1016/j.carbpol.2021.119052
- Author:
- Ahmet Kertmen; Hermann Ehrlich
- Source:
- Carbohydrate polymers 2022 v.282 pp. 119102
- ISSN:
- 0144-8617
- Subject:
- biocompatible materials; biotechnology; chemistry; chitin; cosmetics; environmental science; medicine
- Abstract:
- ... Chitin as one of the fundamental structural biological materials widely occurring in broad diversity of uni- and multicellular organisms focuses attention of experts in biomedicine, materials science, and technology. We are the first to present a patentological overview of chitin as a renewable bioactive material that has stimulated the progress in many fields of applied science worldwide. Such di ...
- DOI:
- 10.1016/j.carbpol.2022.119102
- https://doi.org/10.1016/j.carbpol.2022.119102
- Author:
- Lara Aparecida Buffoni de Campos Carneiro; Carlos Alessandro Fuzo; Luana Parras Meleiro; Sibeli Carli; Matheus Quintana Barreto; Marcos Roberto Lourenzoni; Marcos Silveira Buckeridge; Richard John Ward
- Source:
- Carbohydrate polymers 2022 v.284 pp. 119150
- ISSN:
- 0144-8617
- Subject:
- Escherichia coli; active sites; anion exchange chromatography; biotechnology; catalytic activity; electrospray ionization mass spectrometry; hydrogen bonding; hydrolysis; molecular dynamics; mutants; oligosaccharides; polymers; site-directed mutagenesis; xyloglucans
- Abstract:
- ... Xyloglucan is ubiquitous in the cell walls of land plants and is also an essential storage polymer in seeds of many species. We studied the hydrolysis of the non-reducing end xylosyl residue of xyloglucan oligosaccharides (XGOs) by the Escherichia coli α-xylosidase (YicI). Electrospray Ionization Tandem Mass Spectrometry (ESI-MS/MS) and ion fragmentation analysis together with high performance ani ...
- DOI:
- 10.1016/j.carbpol.2022.119150
- https://doi.org/10.1016/j.carbpol.2022.119150
- Author:
- Ge Gao; Huiqiang Fan; Yibo Zhang; Yiyan Cao; Te Li; Wanjin Qiao; Mengmeng Wu; Ting Ma; Guoqiang Li
- Source:
- Carbohydrate polymers 2021 v.251 pp. 117131
- ISSN:
- 0144-8617
- Subject:
- Enterobacter; Lactococcus lactis; biotechnology; cell viability; cellulose; coculture; fermentation; mammals
- Abstract:
- ... Bacterial cellulose (BC) is used in various fields for its unique physical properties, but does not have the antimicrobial properties needed for the food and biomedical industries. Co-culture fermentation is a method commonly used in biotechnology to address high costs. A nisin-containing BC film (BC-N) was obtained by co-cultivating the BC-producing strain Enterobacter sp. FY-07 with the nisin-pr ...
- DOI:
- 10.1016/j.carbpol.2020.117131
- https://doi.org/10.1016/j.carbpol.2020.117131
- Author:
- Xin Wei; Guang-Lei Liu; Shu-Lei Jia; Zhe Chi; Zhong Hu; Zhen-Ming Chi
- Source:
- Carbohydrate polymers 2021 v.251 pp. 117076
- ISSN:
- 0144-8617
- Subject:
- Aureobasidium; biochemical pathways; biosynthesis; biotechnology; enzymes; glucose; mutants; pullulan; synthetic biology
- Abstract:
- ... It has been well known that different strains of Aureobasidium spp. can yield a large amount of pullulan. Although pullulan has wide applications in various sectors of biotechnology, its biosynthesis and regulation were not resolved. Lately, the molecular mechanisms of pullulan biosynthesis and regulation have been elucidated and their genes and encoding proteins have been identified using the gen ...
- DOI:
- 10.1016/j.carbpol.2020.117076
- https://doi.org/10.1016/j.carbpol.2020.117076
- Author:
- Carolina O. Pandeirada; Élia Maricato; Sónia S. Ferreira; Viviana G. Correia; Benedita A. Pinheiro; Dmitry V. Evtuguin; Angelina S. Palma; Alexandra Correia; Manuel Vilanova; Manuel A. Coimbra; Cláudia Nunes
- Source:
- Carbohydrate polymers 2019 v.222 pp. 114962
- ISSN:
- 0144-8617
- Subject:
- B-lymphocytes; Nannochloropsis; biotechnology; carbohydrate binding; fractionation; methylation; mice; microalgae; microarray technology; polysaccharides; proteins; sugars; water solubility
- Abstract:
- ... The relevance of microalgae biotechnology for producing high-value compounds with biomedical application, such as polysaccharides, has been increasing. Despite this, the knowledge about the composition and structure of microalgae polysaccharides is still scarce. In this work, water-soluble polysaccharides from Nannochloropsis oculata were extracted, fractionated, structurally analysed, and subsequ ...
- DOI:
- 10.1016/j.carbpol.2019.06.001
- https://doi.org/10.1016/j.carbpol.2019.06.001
- Author:
- Chunlan Xu; Lei Qiao; Yu Guo; Li Ma; Yiyi Cheng
- Source:
- Carbohydrate polymers 2018 v.195 pp. 576-585
- ISSN:
- 0144-8617
- Subject:
- Fourier transform infrared spectroscopy; Lactobacillus casei; X-ray photoelectron spectroscopy; anaerobic conditions; antineoplastic activity; antioxidant activity; apoptosis; bacteria; biotechnology; caspases; color; culture media; cytotoxicity; diquat; endocytosis; energy-dispersive X-ray analysis; epithelial cells; glutathione peroxidase; humans; hydrogen peroxide; intestinal mucosa; malondialdehyde; methionine; nanoparticles; polysaccharides; probiotics; proteins; scanning electron microscopy; selenium; sodium selenite; transmission electron microscopy
- Abstract:
- ... Selenium (Se) is an essential element nutrient for human and animal health. Biogenic selenium nanoparticles (SeNPs) by microorganism possesses unique physical and chemical properties and biological activities compared to inorganic selenium and organic selenium. The study was conducted to establish a green, efficient and low-cost biotechnology for biogenic synthesis of SeNPs by Lactobacillus casei ...
- DOI:
- 10.1016/j.carbpol.2018.04.110
- https://doi.org/10.1016/j.carbpol.2018.04.110
- Author:
- Mehnaz Rashid; Mohammad Abdul Gafur; Mostafa Kaiyum Sharafat; Hideto Minami; Mohd Abdul Jalil Miah; Hasan Ahmad
- Source:
- Carbohydrate polymers 2017 v.170 pp. 72-79
- ISSN:
- 0144-8617
- Subject:
- acid hydrolysis; biotechnology; cellulose; coprecipitation; cotton; hydrogen bonding; iron oxides; magnetic fields; magnetic properties; nanocomposites; nanoparticles; oils; polymers; sulfuric acid; water purification
- Abstract:
- ... This investigation describes the preparation of magnetically doped degradable microcrystalline cellulose (MCC) nanocomposite particles with application potential in biotechnology, solid support for biomolecule/water purification, oil recovery from water and beyond. MCC was first extracted from cotton wool, the most abundant biocompatible polymer, by sulfuric acid hydrolysis and the effect of acid ...
- DOI:
- 10.1016/j.carbpol.2017.04.059
- https://doi.org/10.1016/j.carbpol.2017.04.059
- Author:
- Wei-Kang Lee; Yi-Yi Lim; Adam Thean-Chor Leow; Parameswari Namasivayam; Janna Ong Abdullah; Chai-Ling Ho
- Source:
- Carbohydrate polymers 2017 v.164 pp. 23-30
- ISSN:
- 0144-8617
- Subject:
- Phaeophyceae; agar; alginates; biochemical pathways; biopolymers; biosynthesis; biotechnology; cell wall components; genetic markers; industry; macroalgae; plant biochemistry; rheological properties; screening
- Abstract:
- ... Agar is a jelly-like biopolymer synthesized by many red seaweeds as their major cell wall component. Due to its excellent rheological properties, it has been exploited commercially for applications in food, cosmetic, pharmaceutical, biomedical and biotechnology industries. Despite its multiple uses, the biosynthesis of this phycocolloid is not fully understood. The current knowledge on agar biosyn ...
- DOI:
- 10.1016/j.carbpol.2017.01.078
- https://doi.org/10.1016/j.carbpol.2017.01.078
- Author:
- Xiao Chen; Chuntao Chen; Heng Zhang; Yang Huang; Jiazhi Yang; Dongping Sun
- Source:
- Carbohydrate polymers 2017 v.173 pp. 547-555
- ISSN:
- 0144-8617
- Subject:
- Fourier transform infrared spectroscopy; X-ray diffraction; biocompatibility; biotechnology; cell growth; cellulose; cellulose microfibrils; coculture; crystal structure; cytotoxicity; ethylene glycol; hydrogels; medicine; phosphates; polyvinyl alcohol; scanning electron microscopy; strength (mechanics); thermal properties; thermogravimetry; toxicity testing; transmission electron microscopes; transmission electron microscopy; water content
- Abstract:
- ... In this study, the reinforcing effects of cellulose nanofibrils (CNFs) on poly (vinyl alcohol) (PVA) matrix were explored. And ethylene glycol was used to enhance the water content and phosphate buffer saline (PBS) absorbency. The morphological aspects of the hydrogel were studied by transmission electron microscope (TEM) and scanning electron microscopy (SEM). The presence of interactions, change ...
- DOI:
- 10.1016/j.carbpol.2017.06.036
- https://doi.org/10.1016/j.carbpol.2017.06.036
- Author:
- Angela Casillo; Ermenegilda Parrilli; Filomena Sannino; Daniel E. Mitchell; Matthew I. Gibson; Gennaro Marino; Rosa Lanzetta; Michelangelo Parrilli; Sandro Cosconati; Ettore Novellino; Antonio Randazzo; Maria L. Tutino; M. Michela Corsaro
- Source:
- Carbohydrate polymers 2017 v.156 pp. 364-371
- ISSN:
- 0144-8617
- Subject:
- Colwellia; alanine; biotechnology; chemical analysis; cryopreservation; crystallization; ecological function; exopolysaccharides; galacturonic acid; glaciers; habitats; ice; in vitro studies; medicine; nuclear magnetic resonance spectroscopy; psychrophilic bacteria; structure-activity relationships; trisaccharides
- Abstract:
- ... Microrganisms from sea ice, glacial and subglacial environments are currently under investigation due to their relevant ecological functions in these habitats, and to their potential biotechnological applications. The cold-adapted Colwellia psychrerythraea 34H produces extracellular polysaccharides with cryoprotection activity. We here describe the purification and detailed molecular primary and s ...
- DOI:
- 10.1016/j.carbpol.2016.09.037
- PubMed:
- 27842835
- PubMed Central:
- PMC5166977
- https://doi.org/10.1016/j.carbpol.2016.09.037
- Author:
- Olesja M. Bondarenko; Angela Ivask; Anne Kahru; Heiki Vija; Tiina Titma; Meeri Visnapuu; Urmas Joost; Ksenia Pudova; Signe Adamberg; Triinu Visnapuu; Tiina Alamäe
- Source:
- Carbohydrate polymers 2016 v.136 pp. 710-720
- ISSN:
- 0144-8617
- Subject:
- Bacteroides; Pseudomonas syringae; X-ray photoelectron spectroscopy; biopolymers; biotechnology; coatings; cobalt; dispersions; human cell lines; humans; hydrodynamics; intestinal microorganisms; intestines; iron; levan; levansucrase; oligosaccharides; prebiotics; protective effect; selenium; toxicity; transmission electron microscopy
- Abstract:
- ... Levan, fructose-composed biopolymer of bacterial origin, has potential in biotechnology due to its prebiotic and immunostimulatory properties.In this study levan synthesized by levansucrase from Pseudomonas syringae was thoroughly characterized and used as multifunctional biocompatible coating material for microelement-nanoparticles (NPs) of selenium, iron and cobalt. Transmission electron microsc ...
- DOI:
- 10.1016/j.carbpol.2015.09.093
- https://doi.org/10.1016/j.carbpol.2015.09.093
- Author:
- Dong An; Di Zhao; Xueting Li; Xihua Lu; Gao Qiu; Kenneth J. Shea
- Source:
- Carbohydrate polymers 2015 v.134 pp. 385-389
- ISSN:
- 0144-8617
- Subject:
- biotechnology; hydrogen bonding; nanomedicine; nanoparticles; phase transition; polymerization; temperature
- Abstract:
- ... Surfactant-free hydroxypropylcellulose (HPC) nanogels were synthesized by using thermo-sensitive HPC as a template to form HPC/PMAA nanoscale complex. The formation mechanism was owing to the interpolymer hydrogen bonding between HPC and PMAA induced phase transition of HPC in aqueous media. The average size of the resulting HPC nanogels ranges from about 98 to 241nm. It was found that the average ...
- DOI:
- 10.1016/j.carbpol.2015.08.009
- https://doi.org/10.1016/j.carbpol.2015.08.009
- Author:
- F.R. Smiderle; L.M. Olsen; A.C. Ruthes; P.A. Czelusniak; A.P. Santana-Filho; G.L. Sassaki; P.A.J. Gorin; M. Iacomini
- Source:
- Carbohydrate polymers 2012 v.87 no.1 pp. 368-376
- ISSN:
- 0144-8617
- Subject:
- Pleurotus pulmonarius; arabinose; biomass; biotechnology; carbon; culture media; essential amino acids; exopolysaccharides; galactose; glucans; glucose; medicinal properties; mushroom growing; mushrooms; mycelium; nutrient content; nutritive value; proteins; unsaturated fatty acids; xylose
- Abstract:
- ... For many years mushrooms have been consumed and appreciated by their nutritional value, and medicinal properties. The traditional mushroom cultivation takes too long and the macrofungi biotechnology has not been explored in its full potential yet. The goal of this work was to observe if different carbon sources could improve the yield and diversify fungi nutrient composition in submerged culture. ...
- DOI:
- 10.1016/j.carbpol.2011.07.063
- https://doi.org/10.1016/j.carbpol.2011.07.063
- Author:
- Tina Harifi; Majid Montazer
- Source:
- Carbohydrate polymers 2012 v.88 no.4 pp. 1125-1140
- ISSN:
- 0144-8617
- Subject:
- biotechnology; cellulose; chemical reactions; cotton; cotton fabric; cross-linking reagents; crosslinking; formaldehyde; nanoparticles
- Abstract:
- ... The desire for cotton fabrics having a reduced tendency to crease has been recognized for considerable time during the recorded history. Cross-linking of cellulose has been introduced as a necessary process for various purposes especially creating a cotton fabric with anti-wrinkling properties. Generally, in a cross-linked cotton fabric, cellulose chains are bridged across through chemical reactio ...
- DOI:
- 10.1016/j.carbpol.2012.02.017
- https://doi.org/10.1016/j.carbpol.2012.02.017
- Author:
- Miaomiao Liu; Haijia Su; Tianwei Tan
- Source:
- Carbohydrate polymers 2012 v.87 no.4 pp. 2425-2431
- ISSN:
- 0144-8617
- Subject:
- biotechnology; differential scanning calorimetry; hydrocolloids; pH; polymers; scanning electron microscopy; temperature; thermal properties
- Abstract:
- ... Various interpenetrating polymer network (IPN) hydrogels with sensitivity to temperature and pH were prepared by introducing the pH-sensitive polymer polyaspartic acid (PASP) hydrogel, into the poly(N-isopropylacrylamide) (PNIPAAm) hydrogel system for the purpose of improving its response rate to temperature. The morphologies and thermal behavior of the prepared IPN hydrogels were studied by both ...
- DOI:
- 10.1016/j.carbpol.2011.11.010
- https://doi.org/10.1016/j.carbpol.2011.11.010
- Author:
- Yanyan Li; Shanshan Zhang; Xiangjun Meng; Xiguang Chen; Guodong Ren
- Source:
- Carbohydrate polymers 2011 v.83 no.1 pp. 130-136
- ISSN:
- 0144-8617
- Subject:
- Fourier transform infrared spectroscopy; aqueous solutions; biocompatibility; biotechnology; chitosan; drugs; emulsifying; erythrocytes; fluorescence; nanoparticles; pH; rifampicin; sodium tripolyphosphate; solubility; toxicity
- Abstract:
- ... Oleoyl-carboxymethyl chitosan (OCMCS) was synthesized by reacting carboxymethyl chitosan (CMCS) with oleoyl chloride. The FT-IR spectra suggested the formation of an amide linkage between amino groups of CMCS and oleoyl chloride. The solubility property of OCMCS was similar with CMCS. The CS was insoluble while the OCMCS and CMCS could be soluble at neutral pH. The improvement of solubility made C ...
- DOI:
- 10.1016/j.carbpol.2010.07.030
- https://doi.org/10.1016/j.carbpol.2010.07.030
- Author:
- Tsioptsias, C.; Panayiotou, C.
- Source:
- Carbohydrate polymers 2008 v.74 no.1 pp. 99-105
- ISSN:
- 0144-8617
- Subject:
- cellulose; hydroxyapatite; tissue culture; biotechnology; biopolymers; composite polymers; solvents; organic salts; drug delivery systems
- Abstract:
- ... Cellulose and cellulose-nanohydroxyapatite composite (CNH) tissue engineering scaffolds were fabricated by a particulate leaching technique, with poly(methyl methacrylate) (PMMA) particles as the porogen. Two different solvents were used for the dissolution of cellulose. The first solvent was a mixture of N,N dimethylacetamide (DMA) + lithium chloride (LiCl) and the second the ionic liquid 1-n-but ...
- DOI:
- 10.1016/j.carbpol.2008.01.022
- https://doi.org/10.1016/j.carbpol.2008.01.022