Judul: Different Colours Of Lights On Body Weight Gain and Morphometrics Of Female Tokay Gecko (Gekko gecko)
Abstrak: Tokek rumah (G. gecko) merupakan hewan nokturnal yang aktif di malam hari. Tokek rumah memiliki karakteristik khusus seperti tubuh yang pendek, lebar, gemuk, dan memiliki penglihatan yang tajam dengan kemampuan melihat pada kondisi kurang cahaya. Penelitian ini bertujuan untuk menganalisis pengaruh warna cahaya yang berbeda terhadap pertambahan bobot badan dan ukuran morfometrik tokek rumah (G. gecko) betina. Penelitian ini menggunakan. Rancangan Acak Lengkap (RAL) dengan lima perlakuan warna cahaya lampu dengan 3 kali pengulangan dan diuji lanjut dengan uji Duncan. Hasil penelitian menunjukkan pertambahan bobot badan yang signifikan (P
Keyword: bobot badan, cahaya, morfometrik, tokek rumah, warna

Judul: Morphometrics And Body Weight Gain Of Male Tokay Gecko (Gekko Gecko) Given Different Colors Of Light
Abstrak: Tokek rumah merupakan hewan nokturnal atau aktif dimalam hari. Tokek rumah memiliki pengelihatan warna trikromatik dengan tiga jenis fotoreseptor dengan sensitivitas puncak terhadap cahaya dalam kisaran hijau, biru, dan ungu/ultraviolet sehingga tokek rumah mampu menunjukkan respon yang berbeda terhadap berbagai macam warna cahaya yang diterimanya. Penelitian ini bertujuan untuk menganalisis pengaruh perbedaan warna cahaya lampu terhadap morfometrik dan pertambahan bobot badan tokek rumah jantan (Gekko gecko). Penelitian inimenggunakan rancangan acak lengkap(RAL) dengan lima perlakuan warna cahaya lampu, yaitu tanpa lampu (kontrol), putih, jingga, kuning dan merah, dengan 3 ulangan dan diuji lanjut. Hasil penelitian menunjukkan bahwa penggunaan warna cahaya lampu yang berbeda pada tokek rumah jantan menunjukkan perbedaan morfometrik dan pertambahan bobot badan. Warna cahaya lampu kuning menunjukkan hasil yang terbaik pada morfometrik dan pertambahan bobot badan tokek rumah dibandingkan dengan warna cahaya lampu putih, jingga, dan merah.
Keyword: ight color, morphometrics, body weight., Tokay gecko

Judul: Pemurnian dan karakterisasi protein inhibitor RNA helikase virus hepatitis C
Abstrak: Hepatitis C virus (HCV) infection is the second most common chronic viral infection in the world with global prevalence. This infection is contribution to chronic hepatitis and liver cirrhosis, often leading to hepatocellular carcinoma. There is no effective drug and vaccine available against HCV. The current standard treatment, a combination of pegylated interferon-α with ribavirin, is limited by its suboptimal response rate in a significant patient population, side effects, and affordability. Therefore, development of effective drug is needed. One approach to find out the candidate of antiviral drug is to discover the inhibitor of enzyme that essential for virus replication, such as RNA helicase. Streptomyces chartreusis 5-095 produce the inhibitor of HCV RNA helicase. The aim of this study was to purify the protein inhibitor which has inhibition activity against ATPase activity of RNA helicase HCV from S. chartreusis 5-095. The supernatant of culture S. chartreusis 5-095 exhibited high inhibiton activity against ATPase activity of RNA helicase HCV (approximately 72%) at 10 days of incubation. The extracellular protein inhibitor was partially purified by procedures of precipitation with ammonium sulfate to 65% saturation and gel filtration (Sephadex G50) using methanol water solution (4:6) as an eluen. The purity of protein inhibitor was monitored by SDS PAGE. The protein inhibitor showed a relative molecular mass were estimated to be 14 kDa and increased the purity 23,08 fold than those of the crude protein. The specific activity and IC50 after purification were 13,1338 U/mg and 0,0767 mg/mL, respectively. The activity of purified protein inhibitor showed its stability over pH range from 5-8 and optimum at pH 7,4. The inhibition activity showed its stability up to 70% at temperature 100 oC. The purified protein inhibitor relatively stable its activity at storage in the range of -20 oC to room temperature for 35 days.
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