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All Journal EKSAKTA: Journal of Sciences and Data Analysis IJCER (International Journal of Chemistry Education Research) Dharma Bakti IJCR (Indonesian Journal of Chemical Research)
Habibi Hidayat
Department Of Chemistry, Faculty Of Mathematics And Natural Sciences, Universitas Islam Indonesia
Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Education Environmental Science Materials Science & Nanotechnology Social Sciences Other

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Journal : EKSAKTA: Journal of Sciences and Data Analysis

 1 
Identifikasi Morfologi dan Uji Aktivitas Antimikroba Terhadap Bakteri Escherichia coli Dari Fermentasi Buah Markisa (Passiflora sp.) Habibi Hidayat
EKSAKTA: Journal of Sciences and Data Analysis VOLUME 15, ISSUE 1-2, 2015
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/eksakta.vol15.iss1-2.art8

Abstract

Telah dilakukan studi identifikasi bakteri dari buah Markisa dan uji aktivitas antimikroba terhadap bakteri Escerichia coli. Sampel yang digunakan dalam penelitian ini berasal dari buah Markisa, dimana penelitian ini bertujuan untuk mengidentifikasi morfologi bakteri yang tumbuh dalam proses fermentasi buah markisasecara mikroskopik, dan uji aktivitas antimikroba dari hasil fermentasi Markisa (Passiflora Sp.) terhadap bakteri Escerichia coli. Identifikasi morfologi yang dilakukan dengan metode pewarnaan Gram dan uji aktivitas antimikroba dengan menggunakan metode cakram. Hasil yang diperoleh dari terhadap kedua isolat yaitu S1 berbentuk basil dan S2 berbentuk basil dan kokus. Perhitungan jumlah koloni pada pengenceran 10-7 diperoleh S1 sebanyak 16.107 cfu/ml dan S2 sebanyak 30.107 cfu/ml. Uji aktivitas antimikroba terhadap bakteri patogen Escerichia coli selama 1 x 72 jam yaitu isolat S1 diperoleh zona hambat pertumbuhan bakteri sebesar 11 mm, 13 mm dan 15 mm dan isolat S2 sebesar 13 mm, 14 mm dan 16 mm.
Composite of Polylactic Acid/Chitosan/Ag-Hydroxyapatite Synthesized Using Turmeric Leaves Extract-Mediated Silver Nanoparticle and Snail Shell as Antibacterial Material Rahmania Audita; Khoirunisa khoirunisa; Hasna' Azizah Azzahra'; Bambang Hernawan Nugroho; Habibi Hidayat; Is Fatimah
EKSAKTA: Journal of Sciences and Data Analysis VOLUME 2, ISSUE 2, August 2021
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/EKSAKTA.vol2.iss2.art5

Abstract

The development of an antibacterial composite of polylactic acid/chitosan/silver nanoparticle-doped hydroxyapatite has been synthesized. The composite was prepared using the silver nanoparticles (AgNPs) green synthesized by using turmeric (Curcuma longa Linn) leaves extract-mediated AgNPs and snail shell as biogenic calcium for hydroxyapatite synthesis. The precipitation method of hydroxyapatite by the doping of AgNPs was the first step, followed by composting with polylactic acid and chitosan as the polymer binder. Physicochemical characterization of the material was studied by using XRD, SEM, and FTIR analyses, and the antibacterial catalytic performance was examined against Escherichia coli (E. coli). The results showed that the synthesized AgNPs are within the <100 nm range in size and not significantly influence the crystallinity of the Ag/HAp. The composite materials maintained the antibacterial activity against E. coli.
Co-Authors Amrul Bahar Annisa Ayunda Permata S An’nisa Lutfi Nur A Bambang Hernawan Nugroho Bella Atika Armalinda Hasna' Azizah Azzahra' Is Fatimah Kharisma Wijayanti Khoirunisa khoirunisa Luthfi Ali Masykur Mochammad Iqbal S Muhammad Saifudin Nicolaz Arif F Rahmania Audita Salastri Rohiat Tatwam Widi Unggul Priyadi