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New biocompatible antibacterial wound dressing candidates; agar-locust bean gum and agar-salep films. 2020

Nil Erge Akkaya, and Cagla Ergun, and Ayse Saygun, and Nese Yesilcubuk, and Nurten Akel-Sadoglu, and I Halil Kavakli, and Halit S Turkmen, and Huceste Catalgil-Giz
Faculty of Science and Letters, Istanbul Technical University, Maslak, 34485, Istanbul, Turkey.

Agar has numerous applications in biomedical and biopharmaceutical fields in gel form. However the hard and tough nature of agar films and their vulnerability to microbial attacks prevent their usage in wound dressing applications. In this work, agar - locust bean gum (LBG) and agar - salep films were prepared for the first time to improve its physical, antimicrobial and cell viability properties. LBG and salep incorporated films resulted in higher antimicrobial and cell viability properties than agar films, which are very important in wound dressing applications. Agar - LBG films had higher water vapor permeabilities and were insoluble in water and in phosphate buffer solutions. Salep incorporation resulted in lower water vapor permeability and films were soluble in both media. All films were transparent, allowing good observability. With LBG and salep addition, lower tensile strength films were obtained and thicknesses of all films were appropriate for wound dressing applications. Due to their solubility, agar - salep films can be preferred especially for the cases where removal from the wound without damaging the tissue structure is a priority.

UI MeSH Term Description Entries
D008351 Mannans Polysaccharides consisting of mannose units. Mannan
D005685 Galactans Polysaccharides composed of repeating galactose units. They can consist of branched or unbranched chains in any linkages. Galactan,Polygalactose,Polygalactoses
D000362 Agar A complex sulfated polymer of galactose units, extracted from Gelidium cartilagineum, Gracilaria confervoides, and related red algae. It is used as a gel in the preparation of solid culture media for microorganisms, as a bulk laxative, in making emulsions, and as a supporting medium for immunodiffusion and immunoelectrophoresis.
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000900 Anti-Bacterial Agents Substances that inhibit the growth or reproduction of BACTERIA. Anti-Bacterial Agent,Anti-Bacterial Compound,Anti-Mycobacterial Agent,Antibacterial Agent,Antibiotics,Antimycobacterial Agent,Bacteriocidal Agent,Bacteriocide,Anti-Bacterial Compounds,Anti-Mycobacterial Agents,Antibacterial Agents,Antibiotic,Antimycobacterial Agents,Bacteriocidal Agents,Bacteriocides,Agent, Anti-Bacterial,Agent, Anti-Mycobacterial,Agent, Antibacterial,Agent, Antimycobacterial,Agent, Bacteriocidal,Agents, Anti-Bacterial,Agents, Anti-Mycobacterial,Agents, Antibacterial,Agents, Antimycobacterial,Agents, Bacteriocidal,Anti Bacterial Agent,Anti Bacterial Agents,Anti Bacterial Compound,Anti Bacterial Compounds,Anti Mycobacterial Agent,Anti Mycobacterial Agents,Compound, Anti-Bacterial,Compounds, Anti-Bacterial
D000930 Antidiarrheals Miscellaneous agents found useful in the symptomatic treatment of diarrhea. They have no effect on the agent(s) that cause diarrhea, but merely alleviate the condition. Antidiarrheal,Antidiarrheal Agent,Antidiarrheal Drug,Antiperistaltic,Antiperistaltics,Antidiarrheal Agents,Antidiarrheal Drugs,Antiperistaltic Agents,Antiperistaltic Drugs,Agent, Antidiarrheal,Agents, Antidiarrheal,Agents, Antiperistaltic,Drug, Antidiarrheal,Drugs, Antidiarrheal,Drugs, Antiperistaltic
D001419 Bacteria One of the three domains of life (the others being Eukarya and ARCHAEA), also called Eubacteria. They are unicellular prokaryotic microorganisms which generally possess rigid cell walls, multiply by cell division, and exhibit three principal forms: round or coccal, rodlike or bacillary, and spiral or spirochetal. Bacteria can be classified by their response to OXYGEN: aerobic, anaerobic, or facultatively anaerobic; by the mode by which they obtain their energy: chemotrophy (via chemical reaction) or PHOTOTROPHY (via light reaction); for chemotrophs by their source of chemical energy: CHEMOLITHOTROPHY (from inorganic compounds) or chemoorganotrophy (from organic compounds); and by their source for CARBON; NITROGEN; etc.; HETEROTROPHY (from organic sources) or AUTOTROPHY (from CARBON DIOXIDE). They can also be classified by whether or not they stain (based on the structure of their CELL WALLS) with CRYSTAL VIOLET dye: gram-negative or gram-positive. Eubacteria
D001458 Bandages Material used for wrapping or binding any part of the body. Dressings,Bandage,Dressing
D001672 Biocompatible Materials Synthetic or natural materials, other than DRUGS, that are used to replace or repair any body TISSUES or bodily function. Biomaterials,Bioartificial Materials,Hemocompatible Materials,Bioartificial Material,Biocompatible Material,Biomaterial,Hemocompatible Material,Material, Bioartificial,Material, Biocompatible,Material, Hemocompatible
D013227 Steam Water in its gaseous state. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) Water Vapor,Steams,Vapor, Water,Vapors, Water,Water Vapors

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