Judul: Sosial ekonomi dan indeks massa tubuh (IMT) pria dewasa di pedesaan dan perkotaan Bogor, kaitannya dengan faktor risiko penyakit jantung koroner
Abstrak: Penelitian ini secara umum mengkaji keadaan sosial ekonomi (sosek), dan indeks massa tubuh (IMT) pria dewasa di pedesaan dan perkotaan kota Bogor, terutama yang berkaitan dengan faktor resiko penyakit jantung koroner. Tujuan khusus penelitian ini adalah (1). Mengkaji keragaman sosek pria dewasa di pedesaan dan perkotaan Bogor, (2)Mengidentifikasi IMT pria dewasa di perdesaan dan perkotaan Bogor, (3). Menganalisis profil lipid darah pria dewasa di perdesaan dan perkotaan Bogor, meliputi kadar kolstrol total, LDL, HDL dan trigiserida, (4). Menganalisis perbedaan sosek, IMT dan profil lipid darah pria dewasa di pedesaan dan perkotaan Bogor, (5). Menganalisis hubungan antara keadaan sosek dan IMT dengan profil lipid darah pria dewasa di pedesaan dan perkotaan.
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Judul: Pola konsumsi pangan pria dewasa di pedesaan dan perkotaan Bogor, kaitannya dengan faktor risiko penyakit jantung koroner
Abstrak: Penelitian ini bertujuan untuk mempelajari pola konsumsi pangan contoh perkotaan dan pedesaan di daerah Bogor, kaitannya dengan faktor risiko penyakit jantung koroner. Secara khusus bertujuan untuk: (1) mengidentifikasi karakteristik sosial ekonomi contoh di pedesaan dan perkotaan, (2) mengidentifikasi pola konsumsi pangan contoh, (3)mengkaji konsumsi makanan contoh, (4) menganalisis profil lipid darah contoh (kadar kolesterol total, LDL, HDL, dan trigliserida), (5) menganalisis perbedaan pola konsumsi pangan dan profil lipid darah contoh, (6) menganalisis hubungan pola konsumsi pangan dengan profil lipid darah contoh.
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Judul: Hybrid solar cells of ZnO nanoparticles/chlorophyll was modified metal ions (Zn2+ and Cu2+ )
Abstrak: Zinc Oxide (ZnO) is a n-type semiconductor with a wide the energy band (Band Gap) is 3.37 eV at room temperature and 3.34 eV at low temperature with a large exiton binding energy is 60 meV. ZnO has been synthesized by hydrothermal method, resulting in a decrease in particle size over the duration of the hydrothermal changes. Crystallographic structure of ZnO were characterized using XRD, has shown the characteristic pattern of a hexagonal wurtzite structure, the crystallite size increases to changes in particle size. Changes in particle size has also led to a change in the absorption peak of ZnO as has been demonstrated posted under test using the optical properties of UV-Vis spectrophotometer. Changes of this uptake has also led to changes in the energy band gap, which increases its band gap energy of the particle size. In electronic applications, especially in solar cells. Chlorophyll is considered less effective, because of their very nature are easily degraded as a result of several reactions which are acid, lighting and temperature. The results of the stability test using a halogen lamp 34 W/m2 for 5 hours, that the substitution of chlorophyll with metal ions Zn2+ and Cu2+ has been shown to form more stable than natural chlorophyll. The characterization of the optical properties, the combination of ZnO / chlorophyll in the form of hybrid films has led to a shift in the absorption region of ZnO becomes more widely from the UV to Visible. ZnO/chlorophyll has absorption range of 350-515 nm, ZnO / Zn-feofitin 332-401 nm and 332-632 nm for Cu-feofitin. The combination of ZnO/chlorophyll and CuSCN as a solid electrolite in hybrid solar cell, a modified chlorophyll with metal ions Zn2+ and Cu2+ has been shown to form a more stable I-V curve. It is characterized by its fill factor value greater than natural chlorophyll. Nevertheless, solar cells with natural chlorophyll has been able to produce higher efficiency values of chlorophyll were substituted.
Keyword: Hydrothermal, ZnO/Chlorophyll modified, Hybrid Solar Cell