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Showing 1 to 20 of 39 for “"Sodium alginate"”.
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Magnesium doped hydroxyapatite/sodium alginate biocomposite for bone implants application
Magnesium-doped Hydroxyapatite/Sodium alginate was successfully prepared by using precipitation method and this research was implement to enhance the physical, mechanical and biological properties of HA/SA. The properties of this materials are attributed to more cost-efficient, eco-friendly and …
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Magnesium doped calcium phosphate sodium alginate biocomposite for bone implant application
… limited on certain application only. Therefore, sodium alginate (SA), a natural polymer is combined with CaP and doped with magnesium (Mg) to improve the properties of the CaP. CaP/SA biocomposite was successfully prepared by using precipitation method with different ratio of CaP/SA (100/0, 99/1, …
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Inter-Grade and Inter-Batch Variability of Pharmaceutical-Grade Sodium Alginate
… of pharmaceutical-grade polymeric excipients. Sodium alginate, a widely used polymeric excipient, was selected for evaluation using appropriate analytical methods and test conditions, especially rheological methods. The materials used were six different grades of sodium alginate and an …
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A novel polyelectrolyte complex between amphiphilic poly (allyl amine) and sodium alginate.
… In this study, poly (allyl amine) and sodium alginate were used to produce a polyelectrolyte complex with the peptide insulin, with a view to investigating one of a number of barriers preventing the peptides' oral delivery - namely its enzymatic cleavage by alpha-chymotrypsin. Poly …
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The Influence of Manufacturing Method and Collagen on the Mechanical Performance of Sodium Alginate-Based Scaffolds for Cartilage Tissue Engineering
… tissue replacements. Hydrogels such as sodium alginate (SA) have been used in bioprinting and tissue engineering for their favourable properties, however, the mechanical performance of engineered tissue requires improvement. In the present work, the mechanical properties of pure-SA …
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Development and characterization of intelligent films based on pectin/sodium alginate/cellulose nanocrystals and red cabbage extract for monitoring shrimp freshness
… extracted from red cabbage to the optimal pectin/sodium alginate/cellulose nanocrystals film to make intelligent indicators that can monitor and inform the quality of food products. The extraction approaches were optimized, and the physical properties, mechanical properties, and optical properties …
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Development and Characterization of sustainable Materials from invasive brown Seaweed Ruguopteryx okamurae
… pathway focused on extracting and characterizing sodium alginate from the seaweed and comparing its properties with those of commercial alginates. Calcium alginate hydrogels were then produced, rheological properties were determined, and they were doped with polyphenols extracted from orange peel …
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Bioadhesive Microparticles and Liposomes of Anti-Parkinson Drugs for Nasal Delivery
… via spray drying in combination with chitosan or sodium alginate and the liposomes were prepared using the ethanol-based proliposome method. This study has investigated the potential of powdered mucoadhesive microparticles and liquid liposomes for nasal delivery via Miat® nasal insufflator and …
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Enhancing the printability of food inks and the structural stability of 3D-printed food through additive food manufacturing
… due to its unique physiochemical properties. Sodium alginate and kelp extract (Laminaria japonica) were selected as hydrocolloids to investigate their effect on printability and the structural properties of the 3D-printed samples. To assess the dimensional and structural properties of the …
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Preparation and Characterisation of Alginate Composite Beads and Investigations into their Potential Use in Environmental Applications
… present research is concerned with the polymer sodium alginate, a naturally occurring biocompatible and biodegradable polysaccharide. The first objective was to prepare, characterise and monitor the release properties of a urease inhibitor (NBPT) from different calcium alginate hydrogel beads. …
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Investigation of liquid sodium alginates as mucoadhesive bandages coating the oesophageal mucosa and protecting it from gastric reflux
… Barrett’s disease and oesophageal carcinoma. Sodium alginate dissolved in water forms a viscous liquid and can coat on oesophageal mucosa for a period of time. In this study the ability of the liquid alginate to adhere to the oesophageal mucosa was investigated and the factors that affect this …
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Characterization of alginate scaffolds using X-ray imaging techniques
Alginate is a popular biomaterial in tissue engineering. When crosslinked with calcium ions (Ca2+), alginate forms a hydrogel which provides necessary mechanical support as a scaffold. The material properties as well as the biological properties of alginate scaffold are of great importance. In this …
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A study on organic fouling of reverse osmosis membrane
This study used sodium alginate and bovine serum albumin (BSA), which were model polysaccharide and protein, respectively, to study the polysaccharide and protein fouling behavior in two lab-scale reverse osmosis (RO) membrane cells in different dimensions. The first test cell was 0.1 m in length …
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Study of the effects of oligosaccharides in liquid cultures of penicillium chrysogenum
… Addition Of oligosaccharides, derived from sodium alginate and locust bean gum, to submerged cultures of P. chrysogenum P2, at milligram per litre concentration (150 mgL-1), increased secondary metabolite levels and spore production, caused changes in morphology and gerRiination of spores, …
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Aspects of ultrasonic relaxation spectrometry
… involving the interaction between anumber of sodium alkyl sulphates and N-polyvinylpyrrolidone, a synthetic polymer, in aqueous solution at detergent concentrations above and below the surfactant critical micelle concentration.Finally, counterion-polyion binding has been studied insolutions of …
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Formation and Characterisation of Nanostructured Polypyrrole Films: Their Growth on Membrane Supports and Application in Heavy Metal Remediation
… dopant films and polypyrrole-sodium alginate particles. Characterisation of the polypyrrole nanowires indicated that these films are more hydrophilic than polypyrrole formed in the bulk morphology. The removal of chromium by polypyrrole nanowires polymerised on conventional …
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Organic fouling in membrane capacitive deionization systems
… of NaCl and CaCl2 and the model organic foulant sodium alginate, known to complex with calcium, in a lab-scale MCDI system. Fouling caused an increase in the system pressure as well as 10-15% declines in salt adsorption and charge efficiency, and a similar increase in desalination energy over 20 …
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Copper in the Urban Water Cycle: Sources and Sinks, Benefits and Detriments, and Corrosion in Soft Waters
… matter including soluble and particulate NOM, sodium alginate, and gum xanthan, tended to worsen copper release. Their direct effects included complexation and mobilization of pre-existing copper scale as particulates. Indirect effects were also discovered, including a propensity of gum xanthan …
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Formulation of novel buccal mucosal drug delivery systems for nicotine replacement therapy (NRT)
Hydroxypropylmethylcellulose (HPMC) and sodium alginate (SA) were used in the formulation of composite wafers and films for potential nicotine (NIC) replacement therapy via the buccal mucosa route. Composite blank (BK), drug loaded (DL) HPMC-SA films (optimized with 2% w/v plasticizer) and wafers …
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The physico-chemical and biological analysis of microbial biosurfactants (BSs) for applications towards cancer therapies, wound healing dressings and drug delivery
… dressings comprising k-carrageenan (CARR) and sodium alginate (SA) as bioactive (medicated) wound dressings to potentially target the inflammatory phase of wound healing. Both wafer formulations were functionally characterised for hardness, ATR-FTIR, XRD, mucoadhesion and exudate handling …
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