Judul: Tinjaun Epidemiologi dan Pengendalian Rabies Di Propinsi Kalimantan Selatan
Abstrak: Rabies atau penyakit anjing gila adalah penyakit zoonosis yang terpenting di Indonesia, karena luasnya daerah rabies, tingginya kasus penggigi tan oleh hewan tersangka rabies dan sifat penyakitnya yang selalu berakhir dengan kematian (Anonymous, 1982b). Hal yang lebih memberatkan adalah kemungkinan terjadinya encephalitis pasca vaksinal pada orang-orang yang mendapatkan vaksinasi anti rabies (Hardjosworo, 1977).
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Judul: Rabies di sumatra utara tinjauan masalah dan penanggulanganya
Abstrak: Rabies adalah penyakit akut pada susunan syaraf pusat, menyerang manusia dan hewan berdarah panas, biasa ditularkan lewat gigitan. Berbagai masalah dapat ditimbulkan oleh ra- bies, baik masalah ekonomi maupun psikologis. Kerugian eko- nomi terjadi sebab penambahan biaya untuk vaksinasi ternak, biaya pencegahan dan pengobatan pada manusia serta mengham- bat tourisme. Sedang masalah psikologis timbul sebab ada- nya kegelisahan dan rasa takut pada masyarakat jika ada wa- bah di sekitarnya, karena sekali gejala kelihatan, maka kematian selalu merenggutnya. Sebelum mati biasanya ditan- dai dengan gejala khas yaitu lebih agressif dan paralise susunan syaraf pusat. Disamping itu adanya bahaya encepha- litis post vaccinal (radang otak setelah vaksinasi) sebab vaksin terbuat dari jaringan otak, membuat masyarakat serba salah. Rabies terdapat di sebagian besar bumi ini. Karena itu setiap negara memberi nama tersendiri untuk rabies, antara lain: Hydrophobia, Lyssa (Ingg), La Rage (Pr), Tolwut (Germ) Rabia (Sp). Tetapi negara-negara seperti Inggris, Austra - lia, Swedia, New Zealand, dll, dinyatakan bebas rabies. Rabies atau penyakit anjing gila, sudah lama ditemukan di Indonesia, kurang lebih 100 tahun lalu. Kejadian pertama...
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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