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Chitosan

Chitosan /ˈkaɪtəsæn/ is a linear polysaccharide composed of randomly distributed β-(1→4)-linked D-glucosamine (deacetylated unit) and N-acetyl-D-glucosamine (acetylated unit). It is made by treating the chitin shells of shrimp and other crustaceans with an alkaline substance, such as sodium hydroxide.

History, Applications & Measurement

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Overview

History

Manufacture

Properties

Uses

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Map overview Semantic statistics

Chitosan

Nodes145
Edges144
Triples87
Avg. degree1.99
Density0.013793
Components1

How this topic connects Entity context

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Chitosan

Top relations

related to history · 9
Chitosan → British, Charles Hatchett, Charles Marie Benjamin Rouget, Felix Hoppe-Seyler, French, From, German, In, It
related to Solution · 7
Chitosan → CO2, It, NH2, R-NH, This, Unmodified, When
related to Temperature-sensitive hydrogels · 7
Chitosan → Chenite, In, Phosphate, The, This, Using, When
related to Bioprinting · 6
Chitosan → Bioinspired, Once, Pigmented, The, This, Unlike
related to Winemaking and fungal source chitosan · 6
Chitosan → Brettanomyces, EU, European, Fungal, OIV, These
related to Agricultural and horticultural use · 5
Chitosan → DNA, MAP, PR, Subsequent, The
related to Chemical modifications · 5
Chitosan → C2-NH2, C3-OH, C6-OH, In, Since
related to Weight loss · 5
Chitosan → Although, Drug Administration, Food, In, Reviews
related to Biological properties · 4
Chitosan → FDA, However, Purified, The
related to Gel · 4
Chitosan → Chemicals, However, The, When

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Important terminology

used groups chitin also natural properties use applications gel wound cell using water drug plants materials solution agriculture acid approved

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Chitosancausesthe fine sediment particles to bind together0.90text
Chitosanis adeacetylation of chitin using sodium hydroxide in excess as a reagent and water as a solvent0.90text
acidsinstance ofboth can react non-selectively with electrophilic reagents0.80text
chloridesinstance ofboth can react non-selectively with electrophilic reagents0.80text
and haloalkanes to functionalize theminstance ofboth can react non-selectively with electrophilic reagents0.80text
phosphorylationinstance ofit can be functionalized in different ways0.80text
thiolationinstance ofit can be functionalized in different ways0.80text
and quaternization to adapt it to specific purposes.Phosphorylated chitosanWater-soluble phosphorylated chitosan can be obtained by the reaction of phosphorus pentoxideinstance ofit can be functionalized in different ways0.80text
chitosan under low-temperature conditions using methane sulfonic acid as the catalystinstance ofit can be functionalized in different ways0.80text
mucosal membranes.Chitosan can also effectively bind to other surface via hydrophobic interaction and/or cation-π interactioninstance ofThis makes it readily bind to negatively charged surfaces0.80text
gauzeinstance ofwhich can be used to make dressings0.80text
Chitosanrelated to Agricultural and horticultural useThe0.60section

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