壳聚糖家蚕与胶原蛋白二元多电解质复合物的制备

IF 0.8 Q4 MATERIALS SCIENCE, BIOMATERIALS Progress on Chemistry and Application of Chitin and its Derivatives Pub Date : 2023-09-30 DOI:10.15259/pcacd.28.017
Noira Rakhimovna Vokhidova, Shuhrat Shamsiddinovich Khudoyberdiyev, Ilnar Nakipovich Nurgaliev, Sayyora Sharafovna Rashidova
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引用次数: 0

摘要

我们得到了含有家蚕壳聚糖和胶原蛋白的二元多电解质复合物,其质量比为10:1;10:2和10:3。在大分子相互作用过程中,由于壳聚糖的正电荷与胶原的负电荷的补偿,多电解质复合物溶液的zeta电位从+15.2 mV变化到+5.67 mV。我们揭示了聚电解质复合物的颗粒尺寸特性与时间和大分子比例的关系。对聚电解质复合物薄膜的形貌检查表明,在评估的壳聚糖/胶原质量比中,薄膜表面形成非球形纳米颗粒,可达≤60 nm。利用傅里叶变换红外光谱分析了配合物的形成机理,并用密度泛函理论和分子动力学对研究结果进行了验证。我们发现颗粒直径与扩散系数成反比。结果表明,颗粒几乎均匀地分布在聚合物基体表面,具有单峰性。当壳聚糖/胶原蛋白质量比为10:2时,对真丝进行染色,得到了重复性好的结果。我们发现,相对于肥皂和摩擦,这些配合物有助于增加颜色的强度和稳定性。
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ON OBTAINING BINARY POLYELECTROLYTE COMPLEXES OF CHITOSAN BOMBYX MORI WITH COLLAGEN
We obtained binary polyelectrolyte complexes containing chitosan from Bombyx mori and collagen with a mass ratio of 10:1; 10:2, and 10:3. During the interaction between the macromolecules, due to the compensation of the positive charges of chitosan with the negative charges of collagen, the zeta potential of the solutions of polyelectrolyte complexes changed from +15.2 to +5.67 mV. We revealed the dependence of the size characteristics of the particles of polyelectrolyte complexes on time and the ratio of macromolecules. An examination of the morphology of the films of polyelectrolyte complexes demonstrated that in the evaluated chitosan/collagen mass ratios, non-spherical nanosized particles up to ≤ 60 nm form on the surface of the films. We evaluated the mechanism of formation of complexes by using Fourier-transform infrared spectroscopy and confirmed the findings with density functional theory and molecular dynamics. We found that the particle diameter is inversely proportional to the diffusion coefficient. The results show that the particles are almost uniformly distributed over the surface of the polymer matrix and have a unimodal character. We obtained reproducible results when using a chitosan/collagen mass ratio of 10:2 to dye natural silk. We found that the complexes contribute to increase the intensity and stability of colour relative to soap and friction.
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来源期刊
CiteScore
1.10
自引率
16.70%
发文量
19
期刊介绍: Progress in the Chemistry and Application of Chitin and its Derivatives is an annual journal focused on all aspects of production, modification, enzymology and application of chitin and its many derivatives, including chitosan. The journal publishes full-length papers as well as invited reviews. To be considered, papers must present original research that has not been published or accepted for publication elsewhere. The language of the journal will be English.
期刊最新文献
MOLECULAR DYNAMICS SIMULATIONS OF THE AFFINITY OF CHITIN AND CHITOSAN FOR COLLAGEN: THE EFFECT OF pH AND THE PRESENCE OF SODIUM AND CALCIUM CATIONS PREPARATION AND PHYSICOCHEMICAL CHARACTERISTICS OF AN IODINE AND BISMUTH CONTAINING COMPOSITE MATERIAL BASED ON CHITOSAN ON OBTAINING BINARY POLYELECTROLYTE COMPLEXES OF CHITOSAN BOMBYX MORI WITH COLLAGEN ADSORPTION OF SILVER IONS ON CHITOSAN HYDROGEL BEADS THE EFFECTS OF APPLYING CHITOSAN OF DIFFERENT MOLECULAR WEIGHTS ON THE GROWTH AND QUALITY OF KAMCHATKA BERRIES (LONICERA CAERULEA L.): PART 1
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