Judul: Habitat, morfologi dan kariotip labi-labi batu dan labi-labi supet (Trionychidae: Reptilia) di Perairan Umum Jambi
Abstrak: Tujuan penelitian ini dalah untuk mengetahui habitat, morfologi dan kariotip labi-labi batu dan labi-labi super di Perairan Umum Jambi. Aspek Habitat yang diamati meliputi kondisi perairan secara umum dan analisis fisik dan kimia perairan, meliputi: kedalaman air, tipe dasar perairan, kecepatan arus permukaan, kecerahan air. pH air dan debit air. Pencatatan terhadap aspek morfologi dilakukan terhadap populasi labi-labi muda dan populasi labi-labi dewasa. Bagian tubuh yang diamati adalah ciri-ciri khas pada karapas, plastron, kepala dan kali. Aspek morfologi yang diukur meliputi berat badan, panjang ekor. Prosedur pembuatan prepatat kromosom dilakukan dengan menggunakan metode Satmoko yang dimodifikasi, sedangkan analisis kariotip dilakukan menurut metode Nishioka yaitu menentukan jumlah dan tipe kromosom.
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Judul: Morfologi dan Keragaman Genetik Labi-LAbi, Amyda cartilaginea (Testudines: Trionychidae) dari Bengkulu dan Palembang
Abstrak: Tujuan penelitian ini adalah untuk mengetahui morfologi dan keragaman genetik labi-labi, A. cartilaginea dari Bengkulu dan Palembang. Keragaman genetik dipelajari dengan menggunakan teknik elektroforesis protein Pengamatan morfologi meliputi pengukuran terhadap beberapa ukuran tubuh labi-labi, yaitu: berat badan, panjang lengkung karapas, lebar lengkung karapas, panjang plastron, lebar plastron, dan panjang ekor. Analisis keragaman genetik dengan menggunakan metode gel poliakrilamid horizontal dan gel pati. Protein Enzim yang diperiksa adalah albumin (Alb) transferin (Tf), seruloplasmin (Cp), esterase-D (Es-D), tetrazolium oksidase (TO), laktat dehidrogenase (Ldh), malat dehidrogenase (Mdh), sel esterase (CelEs) dan protein umum (Gp)
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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