Sintesis Hidroksiapatit secara Elektrolisis sebagai Bahan Baku Pembuatan Scaffold Tissue HA/PVA-AgCl untuk Aplikasi Penyembuhan Luka
Abstract
Hidroksiapatit (HA) sebagai bahan dasar dalam scaffold tissue memiliki kemampuan untuk berikatan langsung dengan jaringan tubuh secara in vivo. Scaffold tissue pada penelitian ini dalam bentuk membran komposit terdiri dari nHA/PVA-AgCl. AgCl berfungsi sebagai agen antibakteri, sedangkan PVA berfungsi sebagai polimer perekat. Ukuran nanometer untuk HA diperoleh melalui proses elektrolisis yang mengatur voltase untuk mengendalikan ukuran partikel. Variasi potensial listrik elektrolisis 4, 5, dan 6 V digunakan dalam proses selama enam jam. Sebagai pembanding, HA komersil juga digunakan dalam penelitian ini dan hasilnya menunjukkan bahwa voltase 5 V menghasilkan HA yang murni tanpa adanya brushite. Dalam hal diameter partikel, HA yang disintesis dengan potensial listrik 4, 5, dan 6 V, serta HA komersil masing-masing memiliki diameter 232 nm, 276 nm, 355 nm, dan 5421 nm. Metode BET untuk pengujian luas permukaan menghasilkan nilai berturut-turut untuk variabel potensial listrik elektrolisis HA 4, 5, dan 6 V, serta HA komersil masing-masing adalah 317,22; 344,247; 323,419; dan 205,779 m2/g. Hasil uji pre-klinis selama tujuh hari menunjukkan bahwa scaffold tissue yang menggunakan HA sintesis dengan voltase 5 V menghasilkan pertumbuhan fibroblas yang paling baik, dengan nilai rata-rata sekitar 47,3±4,53 fibroblas/nm2.
Synthesis of Hydroxyapatite by Electrolysis as Raw Material for Making HA/PVA-AgCl Tissue Scaffold for Wound Healing Application. . Hydroxyapatite (HA), the primary material in scaffold tissue, can directly interact with the body's tissues in vivo. In this research, the scaffold tissue forms a composite membrane consisting of nHA/PVA-AgCl, with AgCl as an antibacterial agent and PVA as a binding polymer.Nanometer-sized HA particles are obtained through electro-synthesis, controlling voltage to regulate particle size. Three voltage variations, 4, 5, and 6 Vare used in the process for 6 hours. Commercial HA is also used for comparison, and the results indicate that 5 V voltage produces pure HA without brushite contamination. In terms of particle diameter, HA synthesized at 4, 5, 6 V, and commercial HA each have diameters of 232, 276, 355, and 5421 nm, respectively. The BET method is employed to test surface area, yielding consecutive values for the electro-synthesized HA voltage variations, with 4, 5, 6 V, and commercial HA having surface areas of 317.22; 344.247; 323.419; and 205.779 m2/g, respectively. The pre-clinical test in 7-days period findings reveal that scaffold tissue using HA synthesized at 5V voltage produces the best fibroblast growth, with an average value of approximately 47.3±4.53 fibroblasts/nm2.
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