Abdelatif Aouadi, Djamila Hamada Saoud, Abdelkrim Rebiai, Salah Eddine Laouini, Abdelhak Achouri, Abdelmalek Zaater, Fahad Alharthi, Abderrhmane Bouafia, Hamdi Ali Mohammed, Gamil Gamal Hasan, Johar Amin Ahmed Abdullah
{"title":"利用虾壳壳聚糖：制造有效抗菌和抗氧化银纳米粒子的多功能生物材料","authors":"Abdelatif Aouadi, Djamila Hamada Saoud, Abdelkrim Rebiai, Salah Eddine Laouini, Abdelhak Achouri, Abdelmalek Zaater, Fahad Alharthi, Abderrhmane Bouafia, Hamdi Ali Mohammed, Gamil Gamal Hasan, Johar Amin Ahmed Abdullah","doi":"10.1007/s10971-024-06578-4","DOIUrl":null,"url":null,"abstract":"<div><p>A study was conducted to explore the potential of using chitosan (CS) derived from shrimp shells, a bioorganic waste product, as a reducing and capping agent in the synthesis of silver nanocomposites (Cs-Ag NC). The objective of the study was to develop a simpler, faster, and more environmentally friendly method for producing Cs-Ag NC. The synthesized Cs-Ag NC was characterized using UV-Vis spectroscopy, X-ray diffraction spectroscopy, Fourier transform infrared spectroscopy, and scanning electron microscopy. The findings revealed that the Cs-Ag NC exhibited a crystalline structure, was coated with CS components, and had a spherical shape with an average diameter of approximately 20 nm. Under optimal conditions, the synthesized Cs-Ag NC demonstrated significant free radical scavenging activity against <i>2-diphenyl-1-picrylhydrazyl</i> (DPPH) with an IC50 value of 1.65 mg/mL, substantial free radical scavenging activity against 2,2’-azino-bis(<i>3-ethylbenzothiazoline-6-sulfonic acid</i>) (ABTS) with an IC50 value of 2.8 mg/mL, and notable anti-inflammatory activity. Additionally, the Cs-Ag NC exhibited significant antibacterial activity against several pathogenic strains, including <i>Pseudomonas aeruginosa</i>, <i>Escherichia coli</i>, and <i>Staphylococcus aureus</i>. Based on these findings, the synthesized Cs-Ag NC possess promising potential as therapeutic drugs for antioxidant and antibacterial applications.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":664,"journal":{"name":"Journal of Sol-Gel Science and Technology","volume":"112 3","pages":"752 - 767"},"PeriodicalIF":2.3000,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Valorizing shrimp shell chitosan: a versatile biomaterial for fabricating effective antibacterial and antioxidant silver nanoparticles\",\"authors\":\"Abdelatif Aouadi, Djamila Hamada Saoud, Abdelkrim Rebiai, Salah Eddine Laouini, Abdelhak Achouri, Abdelmalek Zaater, Fahad Alharthi, Abderrhmane Bouafia, Hamdi Ali Mohammed, Gamil Gamal Hasan, Johar Amin Ahmed Abdullah\",\"doi\":\"10.1007/s10971-024-06578-4\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>A study was conducted to explore the potential of using chitosan (CS) derived from shrimp shells, a bioorganic waste product, as a reducing and capping agent in the synthesis of silver nanocomposites (Cs-Ag NC). The objective of the study was to develop a simpler, faster, and more environmentally friendly method for producing Cs-Ag NC. The synthesized Cs-Ag NC was characterized using UV-Vis spectroscopy, X-ray diffraction spectroscopy, Fourier transform infrared spectroscopy, and scanning electron microscopy. The findings revealed that the Cs-Ag NC exhibited a crystalline structure, was coated with CS components, and had a spherical shape with an average diameter of approximately 20 nm. Under optimal conditions, the synthesized Cs-Ag NC demonstrated significant free radical scavenging activity against <i>2-diphenyl-1-picrylhydrazyl</i> (DPPH) with an IC50 value of 1.65 mg/mL, substantial free radical scavenging activity against 2,2’-azino-bis(<i>3-ethylbenzothiazoline-6-sulfonic acid</i>) (ABTS) with an IC50 value of 2.8 mg/mL, and notable anti-inflammatory activity. 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Valorizing shrimp shell chitosan: a versatile biomaterial for fabricating effective antibacterial and antioxidant silver nanoparticles
A study was conducted to explore the potential of using chitosan (CS) derived from shrimp shells, a bioorganic waste product, as a reducing and capping agent in the synthesis of silver nanocomposites (Cs-Ag NC). The objective of the study was to develop a simpler, faster, and more environmentally friendly method for producing Cs-Ag NC. The synthesized Cs-Ag NC was characterized using UV-Vis spectroscopy, X-ray diffraction spectroscopy, Fourier transform infrared spectroscopy, and scanning electron microscopy. The findings revealed that the Cs-Ag NC exhibited a crystalline structure, was coated with CS components, and had a spherical shape with an average diameter of approximately 20 nm. Under optimal conditions, the synthesized Cs-Ag NC demonstrated significant free radical scavenging activity against 2-diphenyl-1-picrylhydrazyl (DPPH) with an IC50 value of 1.65 mg/mL, substantial free radical scavenging activity against 2,2’-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) with an IC50 value of 2.8 mg/mL, and notable anti-inflammatory activity. Additionally, the Cs-Ag NC exhibited significant antibacterial activity against several pathogenic strains, including Pseudomonas aeruginosa, Escherichia coli, and Staphylococcus aureus. Based on these findings, the synthesized Cs-Ag NC possess promising potential as therapeutic drugs for antioxidant and antibacterial applications.
期刊介绍：
The primary objective of the Journal of Sol-Gel Science and Technology (JSST), the official journal of the International Sol-Gel Society, is to provide an international forum for the dissemination of scientific, technological, and general knowledge about materials processed by chemical nanotechnologies known as the "sol-gel" process. The materials of interest include gels, gel-derived glasses, ceramics in form of nano- and micro-powders, bulk, fibres, thin films and coatings as well as more recent materials such as hybrid organic-inorganic materials and composites. Such materials exhibit a wide range of optical, electronic, magnetic, chemical, environmental, and biomedical properties and functionalities. Methods for producing sol-gel-derived materials and the industrial uses of these materials are also of great interest.
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