Grafting of 18β-Glycyrrhetinic Acid and Sialic Acid onto Chitosan to Produce a New Amphipathic Chitosan Derivative: Synthesis, Characterization, and Cytotoxicity

Chitosan is the only cationic polysaccharide found in nature. It has broad application prospects in biomaterials, but its application is limited due to its poor solubility in water. A novel chitosan derivative was synthesized by amidation of chitosan with 18β-glycyrrhetinic acid and sialic acid. The...

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Main Authors: Wei-Yan Quan, Song-Zhi Kong, Si-Dong Li, Hua-Zhong Liu, Qian-Qian Ouyang, Yong-Mei Huang, Hui Luo
Format: Article
Language:English
Published: MDPI AG 2021-01-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/26/2/452
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author Wei-Yan Quan
Song-Zhi Kong
Si-Dong Li
Hua-Zhong Liu
Qian-Qian Ouyang
Yong-Mei Huang
Hui Luo
author_facet Wei-Yan Quan
Song-Zhi Kong
Si-Dong Li
Hua-Zhong Liu
Qian-Qian Ouyang
Yong-Mei Huang
Hui Luo
author_sort Wei-Yan Quan
collection DOAJ
description Chitosan is the only cationic polysaccharide found in nature. It has broad application prospects in biomaterials, but its application is limited due to its poor solubility in water. A novel chitosan derivative was synthesized by amidation of chitosan with 18β-glycyrrhetinic acid and sialic acid. The chitosan derivatives were characterized by Fourier transform infrared spectroscopy, thermogravimetric analysis, and measurement of the zeta potential. We also investigated the solubility, cytotoxicity, and blood compatibility of chitosan derivatives. 18β-glycyrrhetinic acid and sialic acid could be grafted onto chitosan molecular chains. The thermal stability of the synthesized chitosan derivatives was decreased and the surface was positively charged in water and phosphate-buffered saline. After chitosan had been modified by 18 β-glycyrrhetinic acid and sialic acid, the solubility of chitosan was improved greatly in water and phosphate-buffered saline, and percent hemolysis was <5%. Novel amphiphilic chitosan derivatives could be suitable polymers for biomedical purposes.
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spelling doaj.art-f08094342ed64daf820efc72123535fe2023-12-03T13:29:50ZengMDPI AGMolecules1420-30492021-01-0126245210.3390/molecules26020452Grafting of 18β-Glycyrrhetinic Acid and Sialic Acid onto Chitosan to Produce a New Amphipathic Chitosan Derivative: Synthesis, Characterization, and CytotoxicityWei-Yan Quan0Song-Zhi Kong1Si-Dong Li2Hua-Zhong Liu3Qian-Qian Ouyang4Yong-Mei Huang5Hui Luo6Department of Applied Chemistry, School of Chemistry and Environmental Science, Guangdong Ocean University, Zhanjiang 524088, ChinaDepartment of Applied Chemistry, School of Chemistry and Environmental Science, Guangdong Ocean University, Zhanjiang 524088, ChinaDepartment of Applied Chemistry, School of Chemistry and Environmental Science, Guangdong Ocean University, Zhanjiang 524088, ChinaDepartment of Applied Chemistry, School of Chemistry and Environmental Science, Guangdong Ocean University, Zhanjiang 524088, ChinaMarine Biomedical Research Institute, Guangdong Medical University, Zhanjiang 524023, ChinaMarine Biomedical Research Institute, Guangdong Medical University, Zhanjiang 524023, ChinaMarine Biomedical Research Institute, Guangdong Medical University, Zhanjiang 524023, ChinaChitosan is the only cationic polysaccharide found in nature. It has broad application prospects in biomaterials, but its application is limited due to its poor solubility in water. A novel chitosan derivative was synthesized by amidation of chitosan with 18β-glycyrrhetinic acid and sialic acid. The chitosan derivatives were characterized by Fourier transform infrared spectroscopy, thermogravimetric analysis, and measurement of the zeta potential. We also investigated the solubility, cytotoxicity, and blood compatibility of chitosan derivatives. 18β-glycyrrhetinic acid and sialic acid could be grafted onto chitosan molecular chains. The thermal stability of the synthesized chitosan derivatives was decreased and the surface was positively charged in water and phosphate-buffered saline. After chitosan had been modified by 18 β-glycyrrhetinic acid and sialic acid, the solubility of chitosan was improved greatly in water and phosphate-buffered saline, and percent hemolysis was <5%. Novel amphiphilic chitosan derivatives could be suitable polymers for biomedical purposes.https://www.mdpi.com/1420-3049/26/2/452chitosanchitosan derivatives18β-glycyrrhetinic acidsialic acidcytotoxicity
spellingShingle Wei-Yan Quan
Song-Zhi Kong
Si-Dong Li
Hua-Zhong Liu
Qian-Qian Ouyang
Yong-Mei Huang
Hui Luo
Grafting of 18β-Glycyrrhetinic Acid and Sialic Acid onto Chitosan to Produce a New Amphipathic Chitosan Derivative: Synthesis, Characterization, and Cytotoxicity
Molecules
chitosan
chitosan derivatives
18β-glycyrrhetinic acid
sialic acid
cytotoxicity
title Grafting of 18β-Glycyrrhetinic Acid and Sialic Acid onto Chitosan to Produce a New Amphipathic Chitosan Derivative: Synthesis, Characterization, and Cytotoxicity
title_full Grafting of 18β-Glycyrrhetinic Acid and Sialic Acid onto Chitosan to Produce a New Amphipathic Chitosan Derivative: Synthesis, Characterization, and Cytotoxicity
title_fullStr Grafting of 18β-Glycyrrhetinic Acid and Sialic Acid onto Chitosan to Produce a New Amphipathic Chitosan Derivative: Synthesis, Characterization, and Cytotoxicity
title_full_unstemmed Grafting of 18β-Glycyrrhetinic Acid and Sialic Acid onto Chitosan to Produce a New Amphipathic Chitosan Derivative: Synthesis, Characterization, and Cytotoxicity
title_short Grafting of 18β-Glycyrrhetinic Acid and Sialic Acid onto Chitosan to Produce a New Amphipathic Chitosan Derivative: Synthesis, Characterization, and Cytotoxicity
title_sort grafting of 18β glycyrrhetinic acid and sialic acid onto chitosan to produce a new amphipathic chitosan derivative synthesis characterization and cytotoxicity
topic chitosan
chitosan derivatives
18β-glycyrrhetinic acid
sialic acid
cytotoxicity
url https://www.mdpi.com/1420-3049/26/2/452
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