Judul: Inventarisasi Parasit pada Ikan Maanvis (Pterophyllum scalare Lichtenstein) di Stasiun Karantina Ikan Bandara Soekarno Hatta Jakarta
Abstrak: Salah satu jenis ikan yang cukup tinggi frekuensi perdagangannya melalui Bandara Soekarno-Hatta, Jakarta adalah ikan maanvis (Pterophyllus scalare Lichstein). Hal ini merupaka peluang bagi penyebaran hama dan penyalur ikan. Untuk mencegah penyebaran tersebut, perlu dilakukan tindakan karantina ikan.
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Judul: Inventarisasi parasit ikan Maskoki (Carassius auratus Linn) dari stasiun karantina ikan Bandar Udara Soekarno-Hatta, Jakarta
Abstrak: Penelitian ini bertujuan untuk mengetahui jenis-jenis dan habitat parasit yang menginfeksi ikan maskoki. Penelitian berlangsung sejak bulan Juni sampai November 1993, bertempat di Laboratorium Kesehatan Ikan, Fakultas Perikanan IPB. Ikan uji adalah ikan maskoki yang dikelompokan dalam tiga katagori ukuran yaitu: kecil, sedang dan besar. Contoh ikan berasal dari Stasiun Karantina Ikan serta farm-farm yang ditunjuk oleh pihak karantina dan dibawa ke laboratorium untuk diperiksa. Bagian yang diperiksa terdiri dari bagian eksternal dan internal ikan. Bagian eksternal meliputi permukaan tubuh, sirip, operculum, insang, rongga mulut dan mata. Bagian internal meliputi hepatopankreas, jantung, kantung empedu, ginjal, limpa, gelembung renang, usus dan daging. Cara yang digunakan untuk identifikasi parasit adalah dengan memeriksa sediaan parasit segar, semi permanen dan permanen. Contoh-contoh parasit untuk keperluan tersebut diperoleh dengan menyeleksi parasit yang dikoleksi pada saat pemeriksaan ikan…dst
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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