Judul: Faktor-Faktor yang Mempengaruhi Perilaku Belanja Ibu Rumah Tangga
Abstrak: Tujuan penelitian ini adalah untuk meagetzhui perilaku belanja ibu rumahtangga ditinjau dari segi pengetahuan, sikap dan tindakan serta mengetahui faktor-faktor yang berpengaruh terhadap perilaku belanja ibu rumahtangga. Diharapkan hasil penelitian ini dapat memberikan informasi tentang perilaku belanja ibu rumahtangga dan sebagai bahan masukan dalam rangka Perlindungan Konsumen. penelitian ini dilakukan dari bular Juni sampai dengan bulan Agustus 1988 d i Kelurahan Sukasari, Kecamasac Xota bogor Timur, Kotamadra Eogor, Propinsi Jowa SaraT;. Keluargs contoh dipilih secara acak sederhana yaiig tersebar ditiga RW sebanyak 40 keluarga, seb.3gai respocden adalah ibu rumahtangga yang tidak bekerja mencari nafkah.
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Judul: Faktor Dominan yang Mempengaruhi Ibu Rumah Tangga dalam proses Pengambilan Keputusan Membeli
Abstrak: Penelitian ini bertujuan untuk mengetahui faktor dominan yang mempengaruhi ibu rumahtangga dalam berbelanja barang kebutuhan sehari-hari di dalam proses pengambilan keputusan membeli. Pengambilan contoh dilakukan secara acak sederhana sebanyak 60 keluarg. Sebagai responden adalah ibu rumahtangga yang tidak bekerja mencari nafkah. Data yang dikumpulkan adalah data primer yang meliputi identitas keluarga, pendapatan keluarga, alokasi pengeluaran untuk pangan dan nonpangan.
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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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