Judul: Sifat fisik dan mikrobiologis daging sapi dengan berbagai metode deboning
Abstrak: Penelitian ini bertujuan untuk mengetahui pengaruh metode deboning terhadap sifat fisik dan mikrobiologis daging sapi. Materi yang digunakan yaitu 15 belahan karkas kiri dari Sapi Brahman Cross dengan kisaran bobot badan 400 - 425 kg. Metode penelitian menggunakan rancangan acak lengkap dengan 3 perlakuan dan 5 ulangan. Perlakuan-perlakuan tersebut adalah hot deboning tradisional (HBT), hot deboning (HB) dan Cold deboning (CB).
Keyword: Hot deboning, Hot deboning tradisional, Cold deboning

Judul: Processing Techniques of Brahman Cross Cattle Carcasses at the Slaughterhouse in Bekasi City West Java
Abstrak: Perbedaan teknik penyembelihan ternak, teknik penanganan, dan pemotongan karkas pada sebagian RPH di Indonesia menyebabkan adanya keragaman kualitas karkas dan daging yang dihasilkan. Penelitian ini bertujuan mengevaluasi teknik pemrosesan karkas pada sapi di RPH Kota Bekasi Jawa Barat. Penelitian ini dilakukan dengan pencatatan nomor eartag sapi, kemudian pengamatan umur sapi dan jenis kelamin, dan penimbangan bobot karkas dan non karkas menggunakan timbangan digital. Hasil penelitian menunjukkan terdapat perbedaan perlakuan dalam proses penanganan pra-sembelih yaitu ada yang dipuasakan dan tidak dipuasakan, kemudian proses pasca sembelih yang meliputi proses pemisahan ekor, pemisahan lemak (trimming), letak pemotongan rusuk karkas, dan distribusi bentuk karkas. Berdasarkan hasil pengamatan didapatkan keragaman diantara pelaku usaha dalam proses penanganan pra pemotongan ternak, pemotongan perempat karkas, penyiapan hingga distribusi karkas. Sapi yang dipotong terbanyak adalah pada umur I3 dengan kisaran bobot badan 511,63
Keyword: carcass, carcass processing, non-carcass, brahman cross

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