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All Journal Jurnal Pengajaran MIPA Jurnal Tadris Kimiya Jurnal Pendidikan Biologi THABIEA (JOURNAL OF NATURAL SCIENCE TEACHING) Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam Jurnal Biosilampari: Jurnal Biologi Hydrogen: Jurnal Kependidikan Kimia Bioscientist : Jurnal Ilmiah Biologi DIKSAINS : Jurnal Ilmiah Pendidikan Sains IJOEM: Indonesian Journal of Elearning and Multimedia
Nursa'adah, Euis
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Education Immunology & microbiology Languange, Linguistic, Communication & Media Mathematics Physics Social Sciences Other

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Keanekaragaman Ikan Hasil Tangkapan Nelayan di Pelabuhan Pulau Baai Kota Bengkulu Hutabarat, Naftalia Artaria; Sakti, Indra; Sutarno, Sutarno; Defianti, Aprina; Primairyani, Ariefa; Nursa'adah, Euis
Bioscientist : Jurnal Ilmiah Biologi Vol. 11 No. 2 (2023): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v11i2.9130

Abstract

Pulau Baai Port is a crucial resource used as the main sea transportation route for some commodities and goods needed by principals when traveling to or from Bengkulu. Data collection was carried out at three stations The method used to determine stations is purposive sampling. Water quality data collection was also carried out at the three stations. The fish identification method is carried out by looking at morphological characteristics to facilitate classification using the Marine Fishes of the south identification book. A total of 18 species of fish found in the waters of the City of Bengkulu landed at the port Pulau Baai namely white pomfret fish (Pampus argenteus), black pomfret fish (Parastromateus niger), mackerel fish (Scomberomorini), mujair fish (Oreochromis mossambicus), beledang fish (Trichiurus lepturus), next fish (Pleuronectiformes), manyung fish (Arius thalassinus ), kerong kerong fish (Terapon jarbua), sea cork fish (Channa striata), big eye tuba fish (Thunnus obesus), mullet fish (Moolgarda seheli), anchovies (Engraulidae), mackerel fish (Scomberomorini), beleberan fish (Opisthopterus tardoore), Cladi fish (Osphronemus goramy), Kape-kape fish (Pentaprion longimanus), Gulamo fish (Johnius trachycephalus), and Sengin fish (Eleutheronema tetradactylumThen, from the results of calculating the diversity index at these three stations, the values range from 2.46-2.07, (medium). It can be concluded that the results of the ecological analysis at the three stations have moderate diversity with a uniform composition and no species dominates.
Biosynthesis of Gold Nanoparticles Using Wuluh Star Fruit (Averrhoa bilimbi) for Chromium Analysis Dewi, Ria Kemala; Firdaus, M. Lutfi; Nursa'adah, Euis
Hydrogen: Jurnal Kependidikan Kimia Vol. 12 No. 1 (2024): February 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i1.10188

Abstract

One of the heavy metals that can pollute waters is the heavy metal chromium (Cr). Chromium has many important roles in life. Chromium material is widely used by humans for various purposes, especially in the industrial world. However, the large number of uses of chromium in the industrial world and the waste it generates can have a negative impact on the environment and human health. One way to deal with chromium pollution is by analyzing the presence of chromium in waters. The aim of this research is to analyze the presence of chromium using a simple, effective, economical and accurate method, namely the biosynthesis of gold nanoparticles using samples of starfruit (Averrhoa bilimbi) as a bioreductor rich in ascorbic acid, with a colorimetric method, namely a method based on the aggregation of gold nanoparticles with ascorbic acid from starfruit, which causes a shift in plasmons and causes color changes that can be seen by the eye. Based on the analysis results, data was obtained that gold nanoparticles synthesized from the starfruit bioreductor can detect chromium with a concentration of 10 ppm with optimum conditions at pH 5, temperature 75oC, optimum incubation time of 5 minutes and gold nanoparticles are selective and sensitive for detecting chromium.
Co-Authors ACENG RUYANI Ariefa Primairyani, Ariefa BHAKTI KARYADI Chairunisa, Aprilia Defianti, Aprina Dewi, Ria Kemala Fadhilah, Annisa Alya Hadirama, Khanna Hutabarat, Naftalia Artaria Indra Sakti Isriyanti Affifah, Isriyanti Iwan Setiawan Karyadi , Bhakti Lilis Rusmiati, Lilis M. Lutfi Firdaus, M. Lutfi Maryani, Budi Mayub, Afrizal Nurul Husna Parlindungan , Deni Parlindungan, Deni Pasaribu, Mika Yanti Arita Pistira, Pistira Primair Yani, Ariefa Sari, Fenty Fitrian Sutarno Sutarno Tuherni, Erni Wainarisi, Esterlin Wardana, Rendy Wikrama