Judul: Pemberian Kalsium (CaCO3) pada media budidaya untuk memacu pertumbuhan kijing taiwan (Anondota woodiana, Lea)
Abstrak: Kijing taiwan (Anondonta woodiana, Lea) merupakan salah satu jenis kerang-kerangan yang hidup di perairan tawar. Kijing ini berasal dari Taiwan dan masuk ke Indonesia tanpa sengaja pada saat Indonesia mengimport ikan Mola (Hypophtalmichtys molitrix) dari Taiwan pada tahun 1969 (Suwignyo. 1975). Kijing taiwan dikenal sebagai filter feeder. Daya tahan hidupnya yang tinggi dan dalam jumlah yang berlimpah dapat dimanfaatkan untuk mengatasi pencemaran perairan akibat polutan termasuk logam berat.
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Judul: Pemanfaatan kijing taiwan (Anodonta woodiana, Lea) sebagai biofilter pada sistem budidaya ikan mas
Abstrak: Kegiatan budidaya ikan secara intensif berarti melakukan pemeliharaan ikan dengan padat penebaran yang tinggi dan pemberian pakan buatan, sehingga menghasilkan buangan limbah organik dan anorganik yang cukup besar. Hal ini akan berdampak terhadap kualitas air yang buruk, yang akan berdampak pada pertumbuhan dan kelangsungan hidup ikan. Penelitian ini bertujuan menganalisa peran kijing taiwan sebagai biofilter pada sistem budidaya ikan mas kondisi terkontrol, dan mengukur pertumbuhan serta kelangsungan hidup ikan mas (Cyprinuscarpio) dan kijing taiwan (Anodonta woodiana). Dari hasil penelitian ini diharapkan diperoleh informasi tentang kemampuan kijing taiwan (A. woodiana) sebagai biofilter pada kondisi terkontrol.
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Judul: Comparative Study of DNA Identification on Two Different Sexual Assault Cases
Abstrak: Sexual assault or rape is one of many criminal cases that still occur daily in alarming numbers. Regarding in resolving many of these rape cases, forensic DNA testing has a major role in exonerating or convicting an individual deemed as suspect. Current DNA testing provides the DNA profile of evidence and reference through STR markers-based and lineage markers of Y chromosome and mitochondrial DNA approach. STR can distinguish an individual from another individual. There are two sets of STR markers complying with the standards requested by criminal databases around the world. These STR markers are mainly incorporated into commercial kits such as GlobalFiler™ Kit. This study aims to compare the processes and results of forensic DNA identification on two different rape cases. All samples were examined and extracted by chelex extraction method. The DNA extracted from these samples was quantified then amplified in 24 markers with GlobalFiler™ Kit and followed by capillary electrophoresis. Lastly, the DNA profile was compared and matched. Different samples from both cases yield a different amount of DNA concentrations with a very low level of male DNA concentrations in the vaginal swab. Therefore, it failed to produce any DNA profile. Full DNA profile on 24 markers of some samples was successfully obtained and compared, with one sample obtained a partial DNA profile. Two samples of each case are found to be biologically related because of the similarity in half of their DNA profile. One of the cases regarded as inconclusive because of the absence of the perpetrator’s DNA profile in the evidence. Thus, making it impossible to compare.
Keyword: DNA profile, DNA testing, GlobalFiler™ Kit, Sexual assault, Sexual assault, STR markers