Judul: Morfologi Organ Reproduksi Musang Luak Jantan (Paradoxurus hermaphroditus)
Abstrak: This research was aimed to study the morphological anatomy of the reproductive organs of male Asian Palm Civet (Paradoxurus hermaphroditus). This research studied the reproductive organs of two male Asian Palm Civets at a macroscopic and microscopic level. Macroscopic observation was done directly to study the morphometry which included the length, diameter and weight of the male reproductive organ. Microscopic observation was done using histochemical method with Hematoxillin-Eosin and Masson’s Trichrome staining. The acquired data were analyzed descriptively. Result of this research showed that the length, diameter and weight of testis without scrotum were 2.14 cm, 1.55 cm and 2.85 g respectively. The epididymis consist of caput, corpus and cauda epididymis. The prostate gland observed macroscopically had a length, height and weight of 3.14 cm, 1.82 cm, and 4.21 g respectively. The penis was a musculo-cavernosus type with a penis spine in the glans penis and was 7.77 cm in length. Prostate gland, which was histologically observed around the urethra pelvina, had a mucous type. Generally, the anatomy of the male Asian Palm Civet reproductive organ was similar to that of other carnivores such as cat and dog.
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Judul: Morfologi Organ Reproduksi Betina Musang Luak (Paradoxurus hermaphroditus
Abstrak: The study was aimed to describe the morphology of female reproductive organ of the Asian palm civet (Paradoxurus hermaphroditus). This study was used three females of Asian palm civet that examined using macroscopic and microscopic observation. Microscopic observation was done using Hematoxillin-Eosin and Masson’s trichrome staining methods. The female reproductive organs of Asian palm civet were consisted of ovary sinister and dexter, oviducts, uteri, vagina, vestibule, and vulva. The average weight of dexter and sinister ovaries were 0,18±0,09 and 0,19±0,09 g respectively. The length of dexter and sinister ovaries, oviduct, cornua uteries, and corpus uteries were 0,79±0,23 and 0,77±0,26; 3,82±1,49 and 3,85±1,43; 3,04±0,22 and 3,27±0,60, 2,32±0,12 cm respectively. The length of cervix, vagina, and vestibule were 0,97±0,44, 1,27±0,44, and 0,71±0,22 cm respectively. Ovaries of Asian palm civet were consisted of cortex and medula. The oviduct has mucosa folds and the epithelium was found no cilia. Endometrial glands were found in cornua and corpus uteri. Macroscopically and microscopically, the structure of the female reproductive organs were very similar to those cat and dog.
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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