Judul: Alokasi waktu keluarga di pedesaan dan desa kota kasus di Dua Desa Kecamatan Ciomas  Kabupaten Bogor, Jawa Barat
Abstrak: Tujuan penelitian ini adalah untuk mempelajari alokasi waktu anqqota keluarga dalam hal ini suami dan isteri dikedua desa penelitian serta besarnya pengaruh berbagai faktor sosial ekonomi pada penggunaan waktu masing-masing anggota keluarga Penelitian ini dilaksanakan di Desa Babakan dan Cikarawang, Kecamatan Ciomas, Kahupaten Bogor dan pengumpulan data berlangsunq dari bulan Maret sampai dengan Mei 1986. Kedua Desa tersebut masing-masing merupakan desa kota dan pedesaan.
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Judul: Alokasi waktu dan kontribusi kerja anggota keluarga dalam kegiatan ekonomi rumah tangga (Studi kasus di dua tipe desa di Kabupaten Sukabumi di Jawa Barat)
Abstrak: Secara empiris fenomena yang tampak dipulau. Jawa adalah berlimpahnya sumberdaya manusia disatu pihak dan kurang tersedianya lapangan kerja di pihak lain. Pada golongan rumahtangga miskin terutama dijumpai adanya tingkat produktifitas kerja yang rendah, underutilization, dan imbalan kerja yang rendah. Namun fenomena tersebut didalam beberapa dokumentasi penelitian rumahtangqa pedesaan Jawa Barat belurn banyak diunqkapkan secara terinci.
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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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