Judul: Perilaku agonistik monyet dewasa dan muda monyet ekor panjang (Macaca fascicularis) di makam kramat Banjar Jatibarang Kabupaten Indramayu
Abstrak: Perilaku Agonistik Monyet Dewasa dan Muda Monyet Ekor Panjang (Macaca fascicularis) di Makam Kramat Banjar Jatibarang Kabupaten Indramayu. Dibimbing oleh R.R. DYAH PERWITASARI dan ENTANG ISKANDAR. Perilaku agonistik pada monyet dewasa dan muda merupakan perilaku pertentangan, mengarah perkelahian karena terjadinya kompetisi. Pada penelitian ini dipelajari bentuk dan frekuensi perilaku agonistik antara sesama monyet dewasa, monyet muda, serta antara monyet dewasa dan muda baik pada jantan maupun betina Macaca fascicularis di Makan Kramat Banjar Jatibarang. Pengamatan dilakukan dengan menggunakan metode pengambilan contoh ad libitum, scan sampling, dan focal animal. Perilaku yang diamati mencakup mencabik, menggigit, mengejar, mengancam, menelisik, dan tiga respon individu (bared teeth, presentation, lip-smack) dalam menyikapi perilaku agonistik. Perilaku agonistik dipengaruhi oleh tingkat hirarki individu dalam kelompok. Perilaku agonistik pada monyet dewasa dan muda yang diamati memiliki frekuensi yang semakin besar sejalan dengan semakin tingginya tingkat hirarki individu tersebut.
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Judul: Interaksi antar jantan dewasa monyet ekor panjang(Macaca fascicularis) di makam saka tunggal cakakak, Banyumas
Abstrak: Interaksi antar jantan dewasa merupakan interaksi yang didasarkan pada hubungan dominansi. Hubungan antar jantan dewasa dalam kelompok dapat berubah dari hubungan persahabatan menjadi hubungan permusuhan. Pada penelitian ini dipelajari bentuk dan frekuensi interaksi antar jantan dewasa Macaca fascicularis di Makam Saka Tunggal Cikakak Banyumas. Pengamatan dilakukan dengan menggunakan metode pengambilan contoh ad libitum, scan animal, dan focal animal. Interaksi yang diamati mencakup replacement, submissive, non-copulatory mounting, grooming, dan koalisi. Frekuensi interaksi antar jantan dewasa dipengaruhi oleh kedudukan jantan dewasa dalam hirarki. Jantan peringkat atas sering melakukan replacement sedangkan jantan peringkat bawah sering melakukan submissive, grooming dan non-copulatory mounting. Jantan dewasa peripheral sering menjadi sasaran koalisi jantan dewasa dalam kelompok.
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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