Judul: Model Multistate Life Table (MSLT) dan Aplikasinya dalam Bidang Pendidikan: Studi Kasus di Kabupaten Sintang
Abstrak: The informations of Indonesian education are usually presented in the form of proportion of age according to school participations. To obtain accurate and clear information of education, life table is necessary. The life table can be used to estimate the number of students in the future. The aim of this research is to construct an educational life table for the Sintang region. The life table developed in the field of education is a multistate life table. The results of this study indicate that the life table can be applied to educational data, by modifying the failed student, so that multistate life table is multiradix. By using cohort data from 2009 to 2010, the educational life table in Sintang can be constructed. From the compiled life table, it has been found that the probability of passing students from elementary to junior high school is 0.68, as well as from junior to senior high school is 0.82. Based on students data of elementary to senior high school were known that the average years of schooling in Sintang is 5.86 years. The benefit of application of multistate life table model in education is that it can estimate the number of students passing to the next grade or failed, i.e. repeat the same class or drop out. The years of schooling can also be determined by multistate life table in each grade. Therefore, an educational life table can also measure the success of educational process.
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Judul: Pendugaan life table multiregional untuk tiga kategori wilayah di Indonesia berdasarkan data sensus penduduk tahun 2010
Abstrak: Karya ilmiah ini membahas tentang penyusunan life table multiregional Indonesia yang dibagi dalam tiga wilayah yaitu Pulau Sumatera, Pulau Jawa dan pulau lainnya. Dalam penyusunan life table multiregional, dibutuhkan nilai tingkat kematian yang diperoleh dari perhitungan life table uniregional dan arus migrasi keluar yang nilainya diperoleh dengan menggunakan model arus migrasi Jawa Bali dan Luar Jawa Bali. Berdasarkan hasil perhitungan life table multiregional, penduduk Pulau Sumatera mempunyai angka harapan hidup 70.68 tahun dengan 12.90 tahun dihabiskan di Pulau Jawa dan 2.87 tahun dihabiskan di pulau lainnya, penduduk Pulau Jawa mempunyai angka harapan hidup 71.57 tahun dengan 6.26 tahun dihabiskan di Pulau Sumatera dan 7.51 tahun dihabiskan di pulau lainnya, penduduk pulau lainnya mempunyai angka harapan hidup 68.39 tahun dengan 2.37 tahun dihabiskan di Pulau Sumatera dan 9.08 tahun dihabiskan di Pulau Jawa.
Keyword: migration flow models, multiregional life table, population transition probability, uniregional life table

Judul: Extraction and Characteristic of Collagen and Nanoparticle Collagen from the Skin of Stingray Fish (Pastinachus solocirostris) as Ingredient of Cosmetics.
Abstrak: Isolation of collagen from the skin of stingray fish (Pastinachus solocirostris) has been successfully conducted with three stages: first soaked in 0.05 M NaOH with a sample/solution ratio of 1:10 (w/v) for 6 hour, second soaked in 0.1 M acetic acid with a sample/solution ratio of 1:6 (w/v) for 2 hour, and third extraction with destilated water at temperature 40 C for 2 hour with a yield of 14.475 % (wet base). Nanoparticle collagen was made with desolvation method using etanol as a desolvating agent with a collagen solution/etanol ratio of 1:1. Yield of nanoparticle collagen was 9.64% (wet base) with particle size of 185.24 nm. Collagen and nanoparticle collagen is in the form of white powder with whiteness degree 72.48% and 60.03%, respectively. Protein is the major component in collagen and nanoparticle collagen (86.97% and 86.18%) with trace amount of ash (0.17% and 0.13%) and fat (0.19% and 0.25%), respectively. Based on sodium dodecyl sulfate-polyacrylamide gel electrophoresis patterns, amino acid composition, and fourier transform infrared (FTIR) spectra of both collagen and nanoparticle collagen were characterized as type I collagens. Nanostructural analysis of collagen and nanoparticle collagen by Scanning Electron Microscopy (SEM) shows that both were separate aggregates. Other characteristics of collagen and nanoparticle collagen were: Tmax of 165.88 C and 156.63 C; Viscosity 292.33 cP dan 110 cP; pH 5.00 dan 4.93; respectively. Collagen has highest solubility at pH 7 and the isoelectric point at pH 6, 9, and 10. Therefore, nanoparticle collagen has highest solubility at pH 3 dan and the isoelectric point at pH 6. Collagen and nanoparticle collagen from skin of stingray fish (Pastinachus solocirostris) has a characteristic for a potential use as a cosmetic ingredient.
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