Judul: Profile of Leukocytes in Pig (Sus scrofa domestica)  Before and After Heart Infarct Surgery
Abstrak: Babi merupakan spesies paling tepat dalam penelitian kardiovaskular, salah satunya infark miokard. Penelitian ini bertujuan memperoleh data jumlah leukosit pada babi domestik (Sus scrofa domestica) sebelum dan sesudah operasi pembuatan infark jantung. Sebanyak enam ekor babi umur empat bulan di Rumah Sakit Hewan Pendidikan, Institut Pertanian Bogor diambil sampel darahnya melalui vena jugularis, kemudian dimasukkan ke dalam tabung vakum yang berisi antikoagulan (K3EDTA) untuk selanjutnya diuji menggunakan hematology analyzer. Data dianalisis secara deskriptif. Hasil penelitian dari 6 sampel yang dianalisis rata-rata jumlah leukosit sebelum dan sesudah operasi pembuatan infark jantung yaitu 16,33 ± 3,62 x 103/μL dan 16,97 ± 4,59 x 103/μL. Peningkatan leukosit dalam darah tidak dapat dijadikan prediktor independen untuk mendiagnosa kejadian infark jantung. Hal ini dikarenakan banyak kejadian yang dapat memicu peningkatan jumlah leukosit dalam darah seperti adanya inflamasi pada saat operasi pembuatan infark jantung.
Keyword: leukocytes, myocardial infarction, pig

Judul: Erythrogram Profile of Pig (Sus scrofa domestica) Before and After the Myocardial Infarction Condition with total occlusion of the circumflex artery
Abstrak: Penelitian ini bertujuan mengetahui gambaran eritrogram babi (Sus scrofa domestica) sebagai hewan model pada keadaan sebelum dan sesaat setelah kondisi infark miokard dengan oklusi total arteri sirkumfleks. Babi dengan jumlah 9 ekor dilakukan aklimatisasi. Hewan dipuasakan minimal 12 jam sebelum dilakukan operasi. Babi dianastesi menggunakan ketamin 10% (dosis 0,5 mg/kg) dan xylazine 2% (1 mg/kg). Operasi pembuatan infark miokard dilakukan oklusi total dengan cara ligasi pada cabang proksimal dari arteri sirkumfleks dengan jahitan non- absorbable polypropylene 5.0 monofilament. Hambatan aliran darah dilakukan dengan rentang waktu 2 - 3 jam. Pengambilan darah dilakukan sebelum dan sesaat setelah terjadinya infark jantung dengan masing - masing pengambilan sebanyak ± 3 ml dilakukan melalui vena jugularis kemudian dimasukkan ke dalam vacutainer yang berisi antikoagulan K3 Ethylenediaminetetraacetic acid (K3EDTA). Sampel darah dilakukan pemeriksaan eritrogram menggunakan hematology analyzer terhadap jumlah eritrosit, kadar hemoglobin, nilai hematokrit, dan indeks eritrosit (MCV, MCH, dan MCHC). Hasil penelitian menunjukkan rata-rata eritrosit, hemoglobin, MCV, MCH, dan MCHC sebelum dan setelah infark miokardium (2 – 3 jam setelah oklusi total arteri sirkumfleks) masih berada pada nilai kisaran normal, sedangkan rata-rata hematokrit berada dibawah kisaran nilai normal. Satu ekor babi ditemukan sebelum dan setelah infark memiliki hasil yang merujuk pada terjadinya anemia mikrositik hipokromik., The objective of this research was to determine the profile of the erythrogram of pigs (Sus scrofa domestica) as animal models in the conditions before and shortly after the myocardial infarction with total occlusion of the circumflex artery. A total of 9 pigs were acclimatized. Pigs were fasted for at least 12 hours before surgery. Pigs were anasthetized using 10% ketamin (0.5 mg/kg dose) and 2% xylazine (1 mg/kg). Myocardial infarction surgery was performed in total occlusion by ligation of the proximal branch of the circumflex artery with a non-absorbable polypropylene 5.0 monofilament suture. Blood flow resistance occurs with a period of 2 - 3 hours. ± 3 ml of blood was drawn through the jugular vein and then put into a vacutainer containing the anticoagulant K3 Ethylenediaminetetraacetic acid (K3EDTA). The blood sample was then examined for erythrogram using a hematology analyzer on the number of erythrocytes, hemoglobin level, hematocrit value, and erythrocyte index (MCV, MCH, and MCHC). The mean values of erythrocyte, hemoglobin, MCV, MCH, and MCHC parameters before and after myocardial infarction (2 – 3 hours after the total occlusion of the circumflex artery) were at normal values. In contrast to the average hematocrit which is below the normal value. One of the pig show results that refer to the occurrence of microcytic hypochromic anemia.
Keyword: Eritrosit, hematokrit, hemoglobin, Sus scrofa donestica, infarction

Judul: Elektrodeposisi Film Tipis Semikonduktor Cu2ZnSnS4 (CZTS) pada Substrat Kaca ITO
Abstrak: Semiconductor Cu2ZnSnS4 (CZTS) thin film that can be used as absorber layers on solar cell module was made via electrodeposition method. CZTS thin film was electrodeposited on the surface of a silicate glass coated with a thin layer of indium tin oxide (ITO). Deposition process was done using potentiostatic mode at room temperature with a potential of 1.05 V for 30, 45, and 60 minutes, followed with annealing the film at 2 different temperatures, 500 ºC using furnace and 180 ºC using hot plate, both treatments for 45 minutes in N2/H2S atmosphere. The X-ray difractograms were analyzed using Match 2 program and showed that the CZTS thin films had kesterit crystalline structure, with a low percentage of CZTS phase. The thin film also contained secondary phases such as Cu2S, ZnS, and SnS. The obtained CZTS thin films had a thickness between 1.039 and 1.676 μm. Absorption study showed that the band gap energy of CZTS thin films which was annealed using furnace ranged from 1.50 to 1.52 eV, whereas that annealed using the hot plate was not observed. The band gap energy value showed that CZTS thin films can be used as sunlight absorber layers on solar cell. The formation of CZTS crystal film on this investigation was effectively performed using furnace annealing process at a temperature of 500 ºC with deposition time of 45 minutes.
Keyword: Thin film, Electrodeposition, Cu2ZnSnS4