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All Journal Journal Of Medicine And Health Sciences (Medisci) Journal Of Agriculture Sciences (Agrosci)
Elly Lestari Rustiati
Universitas Lampung, Bandar Lampung
Agriculture, Biological Sciences & Forestry Health Professions Medicine & Pharmacology Nursing Public Health

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Analysis of Bioconcentration Factors of Blood Mussels (Anadara granosa) on Pulau Pasaran, Bandar Lampung Meliana Geovini Sinurat; Tugiyono Tugiyono; Elly Lestari Rustiati; Gregorius Nugroho Susanto
Jurnal Medisci Vol 3 No 5 (2026): Vol 3 No 5 April 2026
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/medisci.v3i5.1191

Abstract

Background. Pulau Pasaran, Teluk Betung Barat, Bandar Lampung, has an important role in supporting the fisheries sector and has been designated as a minapolitan area. This region is vulnerable to heavy metal contamination due to anthropogenic activities such as domestic and industrial waste. Aims. This study aims to analyze the concentration of heavy metal copper (Cu) in seawater and blood cockles in the waters of Pulau Pasaran, Bandar Lampung, and to calculate the bioconcentration factor (BCF) as an indicator of the potential accumulation of these metals in marine organisms. Methods. Samples were collected using a purposive sampling method during November–December 2025 at three locations: the Belau River estuary area, residential areas, and mangrove areas. Seawater and blood cockle samples were analyzed using the Inductively Coupled Plasma–Optical Emission Spectroscopy (ICP-OES) method in accordance with SNI 6989-82:2018 standards. Result. The results showed that Cu concentrations in blood cockles ranged from 0.936 to 1.303 mg/kg, which are still below the quality standard threshold based on the Decree of the Director General of BPOM No. 03725/B/SK/VII/89. Meanwhile, Cu concentrations in seawater ranged from <0.003 mg/L and remained below the threshold established by Government Regulation of the Republic of Indonesia No. 22 of 2021. The BCF values were classified as moderate accumulation (209.46–422.56), falling within the range of 100–1000 L/kg, with the highest value observed in the mangrove area. Conclusion. The results indicate that Pulau Pasaran waters are moderately contaminated with heavy metals, and that blood cockles can still be used as bioindicator organisms for monitoring heavy metal accumulation in aquatic environments.
DNA Extraction of Cynopterus brachyotis of Labuhan Ratu VII Based on Column Method in Supporting its Molecular Species Confirmation Annisa Lidya Maharani; Elly Lestari Rustiati; Priyambodo Priyambodo; Eko Agus Srihanto; Enny Saswiyanti; Dian Neli Pratiwi; Alvin Wiwiet Susanto
Jurnal Agrosci Vol 3 No 1 (2025): Vol 3 No 1 September 2025
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/agrosci.v3i1.1043

Abstract

Background. Bats (Chiroptera) are true flying mammals and nocturnal. Ecologically, bats play important roles as pollinators, seed dispersers, guano producers, biocontrol, and hosts a range of viruses. Cynopterus brachyotis belongs to fruit-eating bats and is considered morphologically cryptic with C. sphinx. Aims. To support morphological identification, molecular species confirmation needed to be conducted. DNA extraction, as an initial step, plays a crucial role in molecular analysis. Methods. The quality and quantity of extracted DNA determine the success rate of sequencing for species confirmation in bats. In this study, oropharyngeal samples were used. Result. The research procedures included bat capture and DNA oropharyngeal swab sample collection, sample preparation, DNA extraction using a silica column-based commercial kit, DNA concentration measurement using a Qubit assay, and electrophoresis. Conclusion. The Qubit assay showed DNA concentrations of >1 ng/µL, while electrophoresis did not reveal bright DNA bands.
Co-Authors Alvin Wiwiet Susanto Annisa Lidya Maharani Dian Neli Pratiwi Eko Agus Srihanto Enny Saswiyanti Gregorius Nugroho Susanto Meliana Geovini Sinurat Priyambodo Priyambodo Tugiyono Tugiyono