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izvor podataka: crosbi

Encapsulation and release kinetics of silver ions from alginate/chitosan-based microparticles (CROSBI ID 719715)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Vinceković, Marko ; Majdak, Mislav ; Jurić, Slaven ; Sopko Stracenski, Katarina ; Režić, Iva Encapsulation and release kinetics of silver ions from alginate/chitosan-based microparticles // Book of Abstracts / Antunović, Zvonko ; Majić, Ivana (ur.). Osijek: Fakultet agrobiotehničkih znanosti Sveučilišta Josipa Jurja Strossmayera u Osijeku, 2022. str. 80-80

Podaci o odgovornosti

Vinceković, Marko ; Majdak, Mislav ; Jurić, Slaven ; Sopko Stracenski, Katarina ; Režić, Iva

engleski

Encapsulation and release kinetics of silver ions from alginate/chitosan-based microparticles

Plant pathogenic bacteria and fungi are one of the biggest threats to global commercial crop and food production resulting in significantly increased cost of production, and reduced crop establishment and productivity. One of the most important tasks in plant protection is the process of using new agroecological formulations based on silver ions. The aim of this investigation is to explore how the method of ionic-gelation encapsulation method can produce biopolymer microcapsules enriched with silver ions, which could increase the stability and viability of silver ions over a longer time period. The optimization process of silver ion encapsulation in the biopolymers microcapsules was performed under optimal conditions of concentrations of alginate, chitosan, and calcium chloride: (1.5% sodium alginate, 0.5% chitosan, 2% calcium chloride). At the optimal point microcapsules enriched with silver ions were produced and physicochemically characterized (microcapsules size, encapsulation efficiency, loading capacity, particle size). The process of encapsulation in biopolymer microcapsules did not have a negative impact on the properties of the silver ions and its activity remains very high. Also, the silver ions release data were fitted to the Korsmeyer-Peppas model and the n exponent indicated that the release mechanism was Fickian. The electrostatic interactions between silver ions, alginate and chitosan were confirmed by infrared spectroscopy. The obtained results showed that silver ions could be successfully encapsulated and applied in the process of plant protection against plant pathogens.

encapsulation ; silver ions ; microcapsules ; plant protection, pathogens

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Podaci o prilogu

80-80.

2022.

objavljeno

Podaci o matičnoj publikaciji

Book of Abstracts

Antunović, Zvonko ; Majić, Ivana

Osijek: Fakultet agrobiotehničkih znanosti Sveučilišta Josipa Jurja Strossmayera u Osijeku

2459-5543

Podaci o skupu

57. hrvatski i 17. međunarodni Simpozij agronoma

predavanje

19.06.2022-24.06.2022

Osijek, Hrvatska; Vodice, Hrvatska

Povezanost rada

Poljoprivreda (agronomija)