Judul: Pola Pertumbuhan Pria Usia 4 sampai 21 Tahun di Suku Baduy, Desa Kanekes, Kecamatan Leuwidamar, Kabupaten Lebak, Banten
Abstrak: Growth is an increasing process of body size that follow a predictable pattern. Body size can be determined by calculating the Body Mass Index (BMI), which is the ratio of weight (kg) and the square of statures (m2). The growth pattern can be determined by connecting the median of each class of age. The research purpose was to find the body size growth pattern of male aged 4 to 21 years old in Suku Baduy. Even so, the growth velocity curve start at the same time, the statures growth velocity curve reach the peak first, then so do latter the weight growth velocity curve. The peak of BMI growth velocity curve happened in the age of 13 years old with the growth velocity was 0.804 kg/m2 per year. Based on the BMI value, the body size of male in Suku Baduy was small. This thing was happened due to the high level of physical activities.
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Judul: Lintasan Pertumbuhan dari Ukuran Tubuh Orang Baduy
Abstrak: The measurenment of body size is the best way to find out the health, nutritional status and quality of life of a population. Many indigenous populations that are local, scattered, and less or not involved in the network of social services, economic and politics, have specific growth trajectories. Baduy people are indigenous population which is more-or-less socially isolated. Marriage is restricted among Baduy people only. Present study aims to determine the growth trajectory of female and male of Baduy people with cross-sectional method. Body size of Baduy people may be categorized as same size as pygmy population. They have a slow growth rate at child to juvenile transition, low and long growth spurt with prolonged growth well beyond reproductive maturation. Low growth spurt, which leads to small body size in the growing period, may be a saving on body maintenance costs. Prolonged somatic growth offset the slow growth rate at child to juvenile transition and low growth spurt. Baduy people older than 30 year are shorter and smaller than younger people, suggesting secular trend.
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Judul: Sintesis 1-Kloro-2-metoksi-6-propilnaftalena-1,3-dioksolana (1:1) sebagai Prekursor Asam (S)-(+)-(6-Metoksi-2-naftil)propanoat
Abstrak: Senyawa 1-kloro-2-metoksi-6-propilnaftalena-1,3-dioksolana (1:1) sebagai prekursor asam (S)-(+)-(6-metoksi-2-naftil)propanoat disintesis dari bahan awal 2-metoksinaftalena. Tahapan sintesis diawali dengan klorinasi menggunakan 2 jenis pereaksi klorinasi, yakni isosianurat terklorinasi dan NaOCl. Klorinasi dengan isosianurat terklorinasi berhasil menyintesis 1-kloro-2-metoksinaftalena sebagai produk monoklorinasi melalui pencirian dengan kromatograf gas-spektrometer massa (GC-MS). Nisbah konversi produk paling efisien diperoleh pada laju penambahan 2.5 mmol/jam. Sebaliknya, klorinasi dengan NaOCl menghasilkan produk triklorinasi. 1-Kloro-2-metoksinaftalena selanjutnya diasilasi dengan propanoil klorida, tetapi analisis dengan GC menunjukkan bahwa produk asilasi tidak terbentuk. Sistem bebas-air diperlukan untuk keberhasilan proses asilasi tersebut.
Keyword: isosianurat terklorinasi, NaOCl, nisbah konversi