SINTESIS DAN KARAKTERISASI MEMBRAN HIDROKSIAPATIT BATU KAPUR -KHITOSAN-PVA UNTUK APLIKASI BONE FILLER

FITRI, DEWI (2019) SINTESIS DAN KARAKTERISASI MEMBRAN HIDROKSIAPATIT BATU KAPUR -KHITOSAN-PVA UNTUK APLIKASI BONE FILLER. ['eprint_fieldopt_thesis_type_undergraduate' not defined] thesis, UNIMED.

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Abstract

Kerusakan tulang merupakan masalah kesehatan yang serius karena tulang merupakan penyokong fungsi tubuh. Penggunaan material yang tepat untuk penanganan kerusakan tulang merupakan faktor keberhasilkan implantasi tulang. Telah dilakukan sintesis dan karakterisasi hidroksiapatit batu kapur sebagai campuran dalam pembuatan membran PVA-Kitosan. Batu kapur kemudian di ballmill dan diayak dengan ukuran 200 mesh. Sintesis hidroksipatit dilakukan dengan memanaskan serbuk batu kapur menggunakan furnance pada suhu 600oC selama 3 jam. Selanjutnya batu kapur dilarutkan dengan aquades dan larutan H3PO4 0,3M menggunakan magnetic stirrer dengan pengadukan 500 rpm selama 1 jam. pH larutan dibuat 10 dengan penambahan NH4OH 1M secara periodik. Dilakukan proses aging pada larutan selama 24 jam dan hasil endapan yang diperoleh dikeringkan menggunakan oven pada 120oC selama 5 jam. Serbuk hidroksiapatit yang diperoleh dikarakterisasi dengan FTIR untuk melihat gugus fungsi dan uji karakterisasi XRD untuk melihat fasa hexagonal hidroksiapatit. Hidroksiapatit batu kapur dicampur dengan larutan PVA-Kitosan dengan variasi komposisi (0,1,2,3,4)% menggunakan magnetic stirrer pada suhu 40oC selama 3 jam. Selanjutnya dilakukan pencetakan pada cetakan kaca dan pengeringan pada suhu ruang. Dari hasil karakterisasi diperoleh gugus utama penyusun senyawa hidroksiapatit yaitu gugus kalsium hidroksida (CaO), fosfat (PO43-) dan hidroksil (OH-) dengan ukuran kristal 86,27 nm. Membran di karakterisasi menggunakan SEM dan di uji termal. Untuk karakterisasi SEM pada sampel 0%, 1% , 2%, 3% dan 4% membran hidroksiapatit dapat menghasilkan jaringan fibrovaskuler namun tidak dapat membentuk osteoid (tulang baru) dan merangsang terjadinya mineralisasi tulang. Dari hasil uji termal diperoleh bahwa pada kisaran temperatur 15 oC sampai 45 oC tidak terjadi perubahan sifat termal, baik eksoterm maupun endoterm.

Item Type: Thesis (['eprint_fieldopt_thesis_type_undergraduate' not defined])
Additional Information: SK-2019 FIS 310
Subjects: Q Science > QC Physics
Q Science > QC Physics > QC120 Descriptive and Experimental mechanics
Divisions: Fakultas Matematika dan Ilmu Pengetahuan Alam > Fisika
Depositing User: Mr Renaldi Syafaruddin Akbar
Date Deposited: 28 Nov 2019 11:27
Last Modified: 03 Mar 2020 07:07
URI: https://digilib.unimed.ac.id/id/eprint/37028

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