Isolation of chitosan-melanin complex from black soldier fly adults and obtaining nanofibrous materials based on it

Мұқаба

Дәйексөз келтіру

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Ашық рұқсат Ашық рұқсат
Рұқсат жабық Рұқсат берілді
Рұқсат жабық Тек жазылушылар үшін

Аннотация

The article presents the results of studying the viscosity of chitosan-melanin complex solutions from the larvae of the insect Hermetia illucens and the process of gelation in these solutions in the presence of crosslinking reagents. Chemically cross-linked nanofibers were obtained from solutions of the chitosan-melanin complex in dilute solutions of acetic acid by the method of spinneretless electrospinning. The presence of 14% melanin made it possible to reduce the concentration of acetic acid in the spinning composition.

Толық мәтін

Рұқсат жабық

Авторлар туралы

A. Khayrova

Federal research centre “Fundamentals of biotechnology” of the Russian Academy of Sciences

Хат алмасуға жауапты Автор.
Email: adelya15@mail.ru

Bioengineering Institute

Ресей, 119071, Moscow

N. Sazhnev

The Kosygin Russian State University

Email: adelya15@mail.ru
Ресей, 117997, Moscow

D. Korobovskaya

The Kosygin Russian State University

Email: adelya15@mail.ru
Ресей, 117997, Moscow

S. Lopatin

Federal research centre “Fundamentals of biotechnology” of the Russian Academy of Sciences

Email: adelya15@mail.ru

Bioengineering Institute

Ресей, 119071, Moscow

N. Kildeeva

The Kosygin Russian State University

Email: adelya15@mail.ru
Ресей, 117997, Moscow

V. Varlamov

Federal research centre “Fundamentals of biotechnology” of the Russian Academy of Sciences

Email: adelya15@mail.ru

Bioengineering Institute

Ресей, 119071, Moscow

Әдебиет тізімі

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Әрекет
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Жүктеу
2. Fig. 1. Dependence of the reduced viscosity on the concentration of the complex: 1 - HTZ-M solution, MM 566 kDa, pH 4.3; 2 - chitosan solution, MM 570 kDa, pH 4.3.

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Метадеректер
3. Fig. 2. Dependence of dynamic viscosity on the concentration of the complex: 1 - HTZ-M solution, MM 566 kDa, pH 4.3; 2 - chitosan solution, MM 570 kDa, pH 4.3.

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Метадеректер
4. Fig. 3. Dependence of the gelation time in a 2% solution of biopolymers (pH 4.3) on the degree of crosslinking: 1 - chitosan, MM 570 kDa, CP genipin; 2 - CTZ-M, MM 566 kDa, CP genipin; 3 - chitosan, MM 570 kDa, CP glutaraldehyde; 4 - CTZ-M, MM 566 kDa, CP glutaraldehyde.

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5. Fig. 4. AFM image of electrospun fibers from CTZ-M cross-linked with glutaraldehyde (SR/NH2 ratio = 0.08 mol/mol, pH 5.51): a — 2D image; b — 3D image.

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