Judul: Perbandingan metode "recall" terhadap metode penimbangan dalam pengumpulan data konsumsi makanan di Pedesaan dan Perkotaan  : (Studi kasus di Desa Situgede, Kecamatan Ciomas, Kabupaten Bogor dan Kelurahan Tegallega, Kecamatan Kota Bogor Timur, Kotamadya Bogor, Propinsi Jawa Barat)
Abstrak: Tujuan umum dari penelitian ini adalah untuk mengetahui metode pengumpulan data konsumsi makanan keluarga dengan cara "recall" yang memberikan ketelitian paling tinggi. Sedangkan tujuan khusus dari penelitian ini adalah: membandingkan metode pengumpulan data konsumsi makanan keluarga cara "recall" satu hari dengan cara penimbangan satu hari di desa dan di kota, membandingkan metode pengumpulan data konsumsi makanan keluarga cara "recall" dua hari selang satu hari di desa dan di kota. Membandingkan metode pengumpulan data konsumsi makanan keluarga cara "recall" tiga hari selang satu hari dengan cara penimbangan tiga hari selang satu hari di desa dan di kota,
Keyword: recall

Judul: Perbandingan hasil Pengupulan Data Konsumsi makanan Keluarga Dengan Beberapa Cara "Recall" Terhadap Cara Penimbangan
Abstrak: Penelitian ini merupakan studi kasus yang dilaksanakan di Desa Genjahan, Kecamatan Ponjong, Kabupaten Gunung Kidul, Propinsi Daerah Istimewa Yogyakarta; mulai awal bulan April sampai bulan Mei 1984. Sebagai contoh dalam penelitian ini adalah keluarga petani yang mempunyai tingkat ekonomi relatif sama. Jumlah contoh 24 keluarga yang di ambil secara acak sederhana, kemudian dibagi menjadi tiga kelompok berdasarkan alokasi sebanding. Terhadap masing- masing kelompok dilakukan pengambilan data konsumsi makanan secara "recall" yang berbeda yaitu satu hari, dua hari berturut-turut, dan tiga hari selang satu hari serta dengan cara penimbangan yang sama masing-masing tiga hari selang satu hari. Data lain yang dikumpulkan meliputi data konsumsi makanan yang bersifat kualitatif dan data sosial ekonomi.
Keyword: data konsumsi

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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