Judul: Pengaruh Kinerja Keuangan Terhadap Rating Obligasi Pada Perusahaan di Indonesia
Abstrak: Rating obligasi merupakan salah satu keputusan investor dalam memutuskan membeli suatu obligasi.Tujuan penelitian ini adalah untuk mengetahui kinerja keuangan, menganalisis pengaruh kinerja keuangan perusahaan terhadap rating obligasi, dan menganalisis kinerja keuangan sebagai variabel yang mempengaruhi rating obligasi periode 2008-2012.Penelitian ini menggunakan analisis regresi, uji F, uji T dan R-Square. Hasil penelitian menunjukkan bahwa current ratio, debt rasiodan retun on asset memiliki pengaruh terhadap rating obligasi, dan 78,9% mampu mewakili rasio-rasio yang berpengaruh terhadap rating obligasi. Hasil uji F dapat disimpulkan bahwa secara bersama-sama kinerja keuangan berpengaruh secara simultan terhadap variabel rating obligasi.
Keyword: obligasi, rating obligasi, kinerja keuangan perusahaan

Judul: Pengaruh kinerja keuangan terhadap peringkat sukuk berbasis ijarah
Abstrak: Obligasi adalah salah satu cara untuk berinvestasi, diantaranya ada dua jenis obligasi yaitu obligasi konvensional dan sukuk. Dalam penelitian ini difokuskan sukuk berbasis ijarah keluaran tahun 2009. Tujuan penelitian ini adalah (1) Menganalisis kinerja keuangan perusahaan yang menerbitkan sukuk berbasis ijarah (2) Menganalisis pengaruh kinerja keuangan terhadap peringkat sukuk. Penelitian ini memperhitungkan masings–masing rasio keuangan perusahaan serta menggunakan metode regresi linear berganda. Hasil penelitian menunjukkan Perusahaan yang paling likuid terjadi pada PT Pupuk Kalimantan Timur, Tbk keenam perusahaan dalam penelitian ini. Untuk perusahaan yang memiliki profit yang tinggi ditunjukkan dari nilai rasio profitabilitas terjadi pada PT Mitra Adiperkasa, Tbk. Perusahaan yang paling solvable terjadi pada PT Salim Ivomas Pratama, Tbk. Perusahaan yang mampu memaksimalkan penjualaan untuk memperoleh laba yang tinggi ditunjukkan dari nilai rasio aktivitas terjadi pada PT Mitra Adiperkasa, Tbk. Kinerja keuangan kinerja keuangan secara simultan mempengaruhi peringkat sukuk. Secara parsial rasio likuiditas dan rasio solvabilitas mempengaruhi peringkat sukuk, sedangkan rasio profitabilitas dan rasio aktivitas tidak mempengaruhi peringkat sukuk.
Keyword: financial performance, sukuk rating, activity ratio

Judul: DNA Extraction and Characterization of Salmonella‟s Lytic Bacteriophage Genome
Abstrak: Bacteriophages are ubiquitous in nature and are known to proliferate wherever their bacterial hosts exist. Their virion particles can exist independently outside the host, however all phages are need their host to propagate. Several phages are highly specific to host cell surface receptors and any slight changes in structure results in little or no interaction between the phage and its host. Salmonella‟s phage isolated from sewage water where their bacteria exist. Three isolated of phages (phages 15, 19 and 38) were used in this research that concentrated using three types of methods. PEG/ NaCl method was firstly used to concentrate the phages based on their molecular weight to precipitate the phage particles during centrifugation. The second method was Scraping Plaque method. In this method, overlay plaques were scraped and collected in SM buffer to get phage concentrates. Enrichment method was the last method used to concentrate the phages. Phage genome isolation was done using two methods i.e. EDTA/SDS and Proteinase K methods. The first method was done using DNase I to eliminate bacterial DNA followed by SDS/EDTA treatment to release phages DNA and phenol-chloroform-isoamyl alcohol to extract the DNA. DNA was collected by isopropanol extraction. While in Proteinase K method, bacterial DNA was eliminated by DNase I and Proteinase K/SDS was used to degrade phages capsids and ethanol for DNA precipitation. The result showed that PEG/NaCl method resulted the highest phage concentration for phage 15 and phage 19, while scrapping method was the highest for phage 38. The quantity and purity of extracted DNA were low for PEG/NaCl and Scraping methods, while Enrichment method was higher indicated higher purity. Run on agarose gel electrophoresis of extracted DNA confirmed that Enrichment method results were the best while scraping and PEG/NaCl method was appeared smear background. Based on DNA genome size determination, the bacteriphages of Salmonella sp were comparable with other study of Salmonella phages. Phage P15 with genome size of 39,5 kb was close to phage epsilon15. Phage P19 with genome size of 41 kb was close to phage ST160. And phage P38 with genome size of 48,5 kb was close to phage Gifsy-1.
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