Results 81 to 90 of about 428 (106)
Jurnal Rekayasa Kimia & Lingkungan, 2012 Preparation of cellulose acetate (CA) membranes with ultrafiltration process had be done by phase inversion using dimethylformamide (DMF) as solvent. Poliethylene glycol (PEG) 1450 Da, as additive, was added with 10, 20, and 30% rasio of celluose acetate. The thin film of polymer solution was immersed on water bath coagulation at room temperature.
openaire +2 more sources
Keterlarutan Selulosa, Pelarut dan Produk Selulosa yang Dijana Semula: Suatu Ulasan
Sains Malaysiana, 2021 Selulosa ialah polimer semula jadi yang boleh diperbaharui dan biasanya ditemui di dalam dinding sel tumbuhan. Interaksi hidrofobik yang kompleks serta sifat amfifilik menyebabkan ia sukar dilarutkan dan seterusnya membataskan penggunaannya secara menyeluruh.
Marhaini Mostapha +2 more
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Jurnal Riset Kimia, 2023 Nutmeg seed shell waste contains 21.34% cellulose, 12.93% lignin, 53.67% crude fiber, 6.16% ash, 0.11% phenol, and 0.38% carbonyl. The content of cellulose and lignin in the nutmeg shell waste is quite large, so it can be used as something of value. Cellulose can be synthesized into cellulose acetate.
Bhayu Gita Bhernama
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Sains Malaysiana, 2022 Selulosa adalah polimer karbohidrat yang mudah diperoleh daripada sumber tumbuhan dan dihasilkan melalui proses fermentasi pelbagai jenis bakteria seperti Komagataeibacter xylinus. Walau bagaimanapun, selulosa bakteria mempunyai ketulenan dan kapasiti pegangan air yang lebih tinggi berbanding selulosa daripada sumber tumbuhan dan oleh itu, ia mempunyai
Fabiana Francis +2 more
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Penghasilan Filem Selulosa Terjana Semula: Suatu Ulasan
Sains Malaysiana, 2022 Filem selulosa terjana semula (FSTS) merupakan produk yang dijana semula daripada selulosa terlarut secara interaksi fizikal mahupun kimia. Sifat fizikal, mekanikal dan kimia FSTS bergantung kepada jenis pelarut yang digunakan terhadap selulosa, agen penggumpalan, teknik penuangan serta kaedah pengeringan.
Sarani Zakaria
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Majalah Ilmu Kefarmasian, 2005
Chitosan is a polycatonic biopolymer that can form gel in acidic environment so that can be used as a hydrophilic matrix in controlled release drug delivery system. In this research, propranolol hydrochloride controlled release granule was made in chitosan matrix. Granules were made by wet granulation method with variety of matrices, i.e. chitosan,
Sutriyo Sutriyo +2 more
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Chitosan is a polycatonic biopolymer that can form gel in acidic environment so that can be used as a hydrophilic matrix in controlled release drug delivery system. In this research, propranolol hydrochloride controlled release granule was made in chitosan matrix. Granules were made by wet granulation method with variety of matrices, i.e. chitosan,
Sutriyo Sutriyo +2 more
openaire +1 more source
Aplikasi Enkapsulasi Selulosa Nanopartikel pada Nanomedicine
2021Enkapsulasi digunakan untuk menyalut senyawa obat sehingga dapat berfungsi sebagai penghantar obat (drug delivery) dan dapat mengurangi kerusakan pada senyawa obat tersebut. Sebagai enkapsulan dapat digunakan nanoselulosa yang dapat diperoleh dari hidrolisis selulosa.
Guniawaty, Yulia +2 more
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