Judul: Spatial Regression Approach in Determining Factors Affecting Percentage of Human Trafficking Victims inWest Java.
Abstrak: The spatial dimension plays a key role in many social phenomenons such as poverty, pollution, disease, crime and others. Social phenomenon in certain areas is influenced by the social phenomenon in other locations. One of the interesting social phenomenons that will be studied in this research is human trafficking in West Java. The aims of this study are to identify the spatial effects on percentage of human trafficking victims, and to determine the factors which affected percentage of human trafficking victims in West Java in 2010. The existence of spatial relationship information between district/municipality led to need to accommodate the spatial variability in the model, so that the model used were spatial regression models. Based on the analysis, spatial effect influential significantly the percentage of human trafficking victims. The hotspot for human trafficking victims were Cimahi Municipality, Bandung Municipality and Bandung District. The best model to accommodate spatial effect in this study was General Spatial Model (GSM) with AIC-value=-361.46 and R2a=71.34%. Based on GSM obtained the indepen-dent variables or factors which significantly affected percentage of human trafficking victims in West Java in 2010 for α=0.05 as follows: the average of population with divorce status, the average of population with local migrant status, and the average of population with maximum education in Junior High School.
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Judul: Penentuan Faktor-Faktor yang Mempengaruhi Angka Partisipasi Sekolah dengan Pendekatan Regresi Spasial (Studi Kasus: 26 Kabupaten/kota di Provinsi Jawa Barat Tahun 2011)
Abstrak: West Java is a province with the largest population in Indonesia which 5.23% of its are high school-age, has a great responsibility to promote education in the region. One of the indicators used to assess educational progress is the School Participation Rate (SPR). The SPR has a spatial effect across the region, so that the method used in this study is Geographically Weighted Regression (GWR). The purpose of this study was to determine the variables which affect the SPR in West Java Province for 2011. The research’s result show that the variables that affect the SPR in West Java Province year 2011 are the ratio of sum of teachers to school-age population (%) and the percentage of poverty. High living cost in the western part of West Java Province led to unequal number of poverty in this province. This problem can affect the SPR so that the percentage of poverty need to be considered to increase the SPR in this region. In the eastern part of West Java Province, the access teacher’s education facilities in this area are difficult, it led to unequal, so that teacher’s education facilities need to be considered to increase the SPR in this region.
Keyword: SPR, education, spatial regression, GWR

Judul: Sintesis kompleks salen Cu/Ni sebagai katalis oksidasi gliserol
Abstrak: Biodiesel sebagai salah satu alternatif pengganti minyak bumi telah menghasilkan produk samping berupa gliserol kasar. Salah satu cara pemanfaatan adalah dengan mengoksidasinya menjadi dihidroksiaseton menggunakan kompleks senyawa salen yang telah dihidrogenasi dengan logam atom pusat Cu dan Ni. Katalis yang dihasilkan dicirikan menggunakan spektrofotometer inframerah transformasi Fourier dan spektrofotometer serapan atom. Kinerja kedua katalis dalam mengoksidasi gliserol telah dibandingkan dengan baik dalam penelitian ini. Oksidasi gliserol dilakukan dengan tambahan katalis sebanyak 5 mol% gliserol dalam campuran gliserol-asetonitril. Reaksi dilakukan dengan melewatkan gas oksigen selama 4 jam pada suhu ruang dalam campuran tersebut. Hasil oksidasi dianalisis menggunakan kromatografi cair kinerja tinggi. Puncak kromatogram dari hasil oksidasi yang muncul setelah menit ke-9 menunjukkan terjadinya perubahan gliserol. Produk oksidasi gliserol diduga memiliki gugus fungsi keton karena nilai Rf-nya lebih besar daripada gliserol, yang menandakan senyawa tersebut lebih nonpolar daripada gliserol. Kromatogram yang diperoleh menunjukkan bahwa aktivitas katalis Cu(salen) mengoksidasi gliserol lebih baik ditinjau dari rendemen produk yang dihasilkan dibandingkan dengan Ni(salen). Oksidasi baik dengan Cu(salen) maupun Ni(salen) menghasilkan satu produk oksidasi.
Keyword: Katalis, Ligan salen, Biodiesel