Creation of a New Model of Burns in Rats With the Determination of Their Degree and Use of Apis Mellifera Carboxymethyl Chitosan

Kurbonova, Feruza Nurulloevna; Ikhtiyarova, G. A.; Khojiev, Dilmurod Yakhshievich

doi:10.29013/ajt-22-5.6-13-17

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2023

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“…Necessary for neutralization (NH3+; +NH2R; +NHR2; where R is CH2COH) titration, a small segment (V2-V3) corresponding to the volume of the base (NaOH) is observed. With subsequent titration, an increase in the value of Gsm electrical conductivity is observed, characterizing an excess of a strong electrolyte (NaOH) [15] Determination of molecular weights of CMCS by characteristic viscosity. The difference in the structure of chitosan and carboxymethylchitosan polymer chains is also invisible in the values of their characteristic viscosity values.…”

Section: Rinse With Ethyl Alcoholmentioning

confidence: 99%

Preparation of Apis mellifera carboxymethylchitosan and determination of its molecular weight and degree of acetylation

Kurbanova,

Djumaeva,

Khudoynazarova

2023

E3S Web Conf.

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This article presents the results of obtaining biopolymers of carboxymethyl esters of chitosan from a new promising source - dry dead bees. Dried and crushed deadwood, collected during the spring renewal of the bee colony, was used. The process was carried out under general conditions according to the general method of alkylation. The properties of the resulting carboxymethylchitosans were studied by physicochemical analysis, their molecular weight by viscometry, the degree of mixing by conductometry.

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Section: Rinse With Ethyl Alcoholmentioning

confidence: 99%