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All Journal Jurnal Pendidikan Biologi Indonesia Phenomenon : Jurnal Pendidikan MIPA Biodidaktika : Jurnal Biologi dan Pembelajarannya Jurnal IPA Terpadu Biosfer: Jurnal Pendidikan Biologi Triadik PENDIPA Journal of Science Education Diklabio: Jurnal Pendidikan dan Pembelajaran Biologi Edukasi Islami: Jurnal Pendidikan Islam BIOEDUSAINS: Jurnal Pendidikan Biologi dan Sains Jurnal Biosilampari: Jurnal Biologi Bioedusiana: Jurnal Pendidikan Biologi GERVASI: Jurnal Pengabdian kepada Masyarakat Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Jurnal Inovasi dan Teknologi Pembelajaran (JINOTEP) Kajian dan Riset Dalam Teknologi Pembelajaran Dharma Raflesia : Jurnal Ilmiah Pengembangan dan Penerapan IPTEKS JSMARTech : Journal of Smart Bioprospecting and Technology Proceeding Biology Education Conference Prosiding Seminar Nasional Biologi, Teknologi dan Kependidikan (Biotik) PAKDEMAS : Jurnal Pengabdian Kepada Masyarakat Journal of Community Empowerment Andromeda: Jurnal Pengabdian Masyarakat Rafflesia Engagement: Jurnal Pengabdian Kepada Masyarakat Samakta: Jurnal Pengabdian Kepada Masyarakat
Jumiarni, Dewi
Program Studi Pendidikan Biologi, Fakultas Keguruan Dan Ilmu Pendidikan, Universitas Bengkulu, Indonesia
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Journal : BIOEDUSAINS: Jurnal Pendidikan Biologi dan Sains

 1 
Uji Antibakteri Ekstrak Etanol Daun Theobroma cacao L. terhadap Pertumbuhan Escherichia coli dengan Metode Difusi Cakram Annisa Rahmi Hayati; Abdul Rahman Singkam; Dewi Jumiarni
BIOEDUSAINS: Jurnal Pendidikan Biologi dan Sains Vol 5 No 1 (2022): BIOEDUSAINS:Jurnal Pendidikan Biologi dan Sains
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (735.255 KB) | DOI: 10.31539/bioedusains.v5i1.3160

Abstract

This study aims to determine the inhibition of T. cacao L. leaf extract on the growth of E. coli bacteria and the correlation between the concentration of T. cacao L. leaf extract and the formed E. coli inhibition zone. The method used is experimental post-test only control design using Completely Randomized Design (CRD). The inhibition zone of T. cacao L. leaves against E. coli was tested using the disc diffusion method with six treatments (concentration 25%, 50%, 75%, 100%, positive control and negative control) repeated five times. The results showed that the diameter of the inhibition zone of the leaf extract of T. cacao L. against E.coli was at intervals of 5-10 mm and was included in the category of moderate inhibition, but the results of Duncan's test showed that there was no significant difference between the inhibition zones formed at concentrations 25%, 50%, 75%, and 100%. In conclusion, the leaves of T. cacao L. were less effective in inhibiting the growth of E. Coli, but the leaf extract of T. cacao L. was positively correlated with the inhibition zone formed. Keywords: Leaf Extract, Escherichia coli, Theobroma cacao L., Zone of Inhibition Test
Keanekaragaman Mikroalga sebagai Bioindikator di Perairan Sungai Mustika Elmi Dayana; Abdul Rahman Singkam; Dewi Jumiarni
BIOEDUSAINS: Jurnal Pendidikan Biologi dan Sains Vol 5 No 1 (2022): BIOEDUSAINS:Jurnal Pendidikan Biologi dan Sains
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (649.448 KB) | DOI: 10.31539/bioedusains.v5i1.3531

Abstract

This study aims to determine the diversity of microalgae and their relationship with water quality in the Air Lais River. The method used is a survey method. The results showed that there were 28 species of microalgae consisting of 7 divisions. The abundance of microalgae at the upstream station was 52 ind/ml, the middle station was 50 ind/ml and the downstream station was 115 ind/ml. The microalgae diversity index at each station was 2.2; 2.2; and 2.59, with a moderate level of diversity criteria. The microalgae dominance index was in the low dominance criteria, with the value of each station being 0.21; 0.20; and 0.14. In conclusion, the condition of the Air Lais River is still relatively clean and shows a normal tolerance range for microalgae life. Keywords: Diversity, Microalgae, Lais Water River
Co-Authors Abas Abas Abas Abas, Abas Abdul Rahman Abdul Rahman Singkam Abdul Rahman Singkam ACENG RUYANI Ahmad Saddam Husein Ahmad Saddam Husein Alfra Siagian, Teddy Alif Yanuar Zukmadini Alif Yanuar Zukmadini Anggrini, Lolita Sri Annisa Rahmi Hayati Ariefa Primair Yani Ariefa Primair Yani Aswin, Pani Aulia Agrindha Ulfah Berto Usman Bhakti Karyadi Bhakti Karyadi Bhakti Karyadi Bhakti Karyadi Bhakti Karyadi Burhannuddin, Muhammad Nanang Damhuri, Dedi Dewi Handayani Dita Aulia Dwi Palenti, Citra Dwita, Uci Rahma Eduwin Saputra Ekaputri, Rendi Zulni Eko Risdianto Endang Widi Winarni Endang Widi Winarni Erik Perdana Putra Fitri Astriawati Ghofur, Befri Ahmad Abdul Herviza, Meftha Husein, Ahmad Saddam Intani Quara Lailaty Irdam Idrus Irdam Idrus Irwandi Ansori Irwandi Ansori Irwandi Ansori Jumirah Jumirah K Kasrina Kasrina Kasrina Kasrina Kasrina Kasrina Kausar, Lafil Kurnia Widiyani Marniza Martias, Angga Mimi Halimah Muhamad Ridwan Muhammad Efendi Mustika Elmi Dayana Nadia Amida Neni Murniati Nike Anggraini Niken Pertiwi, Nyoman Ayu Novita, Fidya Nurfiyanti, Putri Endah Nurhalimah Nurhalimah Nurhidayah, Muhammad Gading Nursanti Yunita Sari Oktaria Silviani Putri, Rendi Zulni Eka Rambat Nur Sasongko Rani, Silvia Refky Rahma Hidayat Refky Rahma Hidayat Rendi Zulni Eka Putri Rendi Zulni Eka Putri Rendi Zulni Ekaputri Rendi Zulni Ekaputri Repani Anggraini Riska Nanda Safitri Sabaniah, Nurlaely sari, Hefni Dwika Sari, Poppy Antika Sari, Rike Monica Sari, Wiji Kesuma Simanungkalit, Betania Sipriyadi Siregar, Wahyu Putri Sri Irawati Sri Irawati Sri Irawati Suandi, Edi Syaiful Rochman Syarif Hidayat Syarif Hidayat Syarkowi, Ahmad Syoti Vellia Lorenza Teddy Alfra Siagian Uniati, Orin Verdianingsih, Tiyas Utami Vinna Cientya Annisa Widi Nugroho Widyawati, Dwi Yennita Yennita Yunita Arianti