Judul: Analysis of gestational weight gain of pregnant women by maternal socioeconomic and nutritional status and its relationship with weight of the newborn infants, the fetal weight and length of birth
Abstrak: The aims of the study are determining the prevalence of intra uterine growth retardation (IUGR) and low birth weight (LBW) infant among different social economic status (low SE and high SE) and maternal nutritional status-MNS (high risk, normal, overweight and obesity), and analyzing the effects of gestational weight gain (GWG) on the weight of the newborn infants. This study applied a prospective study design of 638 pregnant women aged 20-35 years, from of the selected health centers and maternal hospitals in urban areas of East Jakarta and Bekasi. Data collected include socioeconomic of family, anthropometric measurements, maternal nutrition knowledge (MNK). he relationship between variables were analyzed using Pearson Correlation test. The effects of gestational age, nutritional and socio-economic status on fetal growth were analyzed by a multiple linear regression.
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Judul: Analisis faktor yang berhubungan dengan berat bayi lahir dan pengaruhnya terhadap status gizi anak Usia 6 - 11 bulan di Sumatera:
Abstrak: More than 20 million infants worldwide, representing 16% of all births, are born with low birth weight, 90% of them are in developing countries. Basedon the results of Riskesdas 2007 the prevalence of Low Birth Weight (LBW) in Indonesia was 11,5%. Low birth weight infants generally have slow growth and development. The condition may get worse if they lack energy and nutrient intake, get improper rearing pattern and often suffer from infection. In the long run LBW infants tend to have poor nutrition status and malnutrition. The aim of this study was to analyze factors related to birth weight and their effects on 6 - 11 months old infants nutritional status. This study used Riskesdas data, 2007. The datas collected by surveys method, located in 10 provinces in Sumatra with a total sample of 1.749 households that have 6 - 11 months old infants. The results showed prevalence of low birth weight was 4,7% and nutrition problems in infants of 6 – 11 months were severe under nutrition 4,8%, severe wasting 16% and severe stunting 18,8%. Childrens born with low birthweight are more likely to undernutrition, wasting and stunting compare to children born with normal weight. Factors influencing birth weight are antenatal care, maternal education, maternal age and parity. Factors influencing the infant nutritional status are growth monitoring, birth weight, environmental sanitation, infection diseases, maternal nutritional status, health services utilization, access to health services and household expenditure.
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Judul: Katalis Zink Ferit Tersubstitusi Cu untuk Oksidasi Benzil Alkohol
Abstrak: Katalis berperan dalam menurunkan energi aktivasi. Katalis ZnFe2O4 dan ZnFe2O4 tersubstitusi Cu disintesis menggunakan metode kopresipitasi untuk digunakan dalam oksidasi benzil alkohol. Katalis dicirikan dengan spektrofotometer inframerah (FTIR) dan difraktometer sinar-X. Spektrum FTIR menunjukkan puncak serapan dari ikatan Zn-O dan Fe-O masing-masing pada rentang 559‒575 cm-1 dan 419‒447 cm-1. Difraktogram menunjukkan terbentuknya fase tunggal Zn0.6Cu0.4Fe2O4 pada katalis ZnFe2O4 tersubstitusi Cu 20%. Benzil alkohol dioksidasi dengan sistem refluks. Konversi benzil alkohol meningkat dengan meningkatnya suhu. Kadar benzaldehida yang dihasilkan dengan katalis ZnFe2O4 tersubstitusi Cu 20% lebih tinggi dibandingkan dengan katalis ZnFe2O4 yang tidak tersubstitusi dan yang tersubstitusi Cu 60 dan 80%. Hal tersebut menunjukkan bahwa katalis ZnFe2O4 tersubstitusi Cu 20% memiliki kinerja yang lebih baik dalam oksidasi benzil alkohol menjadi benzaldehida dengan kadar benzaldehida 8.763%.
Keyword: Benzil alkohol, katalis, oksidasi, ZnFe2O4