Judul: Aspek penting tungau debu rumah dermatophagoides(Arachnida:Acariformes) bagi kesehatan
Abstrak: Tulisan ini merupakan rangkuman berbagai literatur mengenai aspek penting tungau debu rumah Dermatophagoides (kelas Arachnida: Ordo Acariformes). Uraian secara lengkap mengenai Dermatophagoides dimulai dari taksonomi dan klasifikasi, morfologi, daur hidup, habitat dan perilaku, serta aspek penting bagi kesehatan. Selain itu, tulisan ini juga dilengkapi dengan berbagai cara pencegahan dan pengendalian tungau debu rumah (TDR)
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Judul: Prevalensi dan Derajat Infestasi Tungau Debu Rumah di Asrama Mahasiswa.
Abstrak: Tungau debu rumah (TDR) merupakan komponen alergenik yang menyebabkan asma dan rhinitis pada manusia. TDR banyak ditemukan pada rumah yang lembab, kasur, bantal, guling, karpet serta berbagai perabot rumah yang lain. Penelitian ini bertujuan untuk mengetahui prevalensi investasi tungau debu rumah, mengidentifikasi keanekaragaman dan distribusi tungau debu rumah, dan menentukan derajat investasi tungau debu/ gram debu di Asrama Mahasiswa IPB Bogor. Penelitian ini dilakukan pada wilayah Asrama Mahasiswa IPB dengan lokasi pengambilan debu terdiri dari tiga titik yaitu, tempat tidur, perabot, dan lantai dengan menggunakan penyedot debu (vacum cleaner) kemudian TDR diisolasi dan diidentifikasi di bawah mikroskop di laboratorium. Hasil penelitian menunjukkan sebaran TDR di Asrama Putra terbanyak di lantai (73.33%), diikuti oleh tempat tidur (27.11%), dan perabot (26.94%). Rata-rata kepadatan TDR tertinggi di lantai (22 tungau/gram debu). Sebaran TDR di Asrama Putri terbanyak di perabot (48.50%), lantai (29.66%), dan tempat tidur (21.84%). Rata-rata kepadatan TDR tertinggi di perabot (22 tungau/gram debu). Sebanyak 2105 TDR yang diidentifikasi di Asrama terdapat enam jenis TDR yang ditemukan pada Asrama yaitu Blomia tropicalis (42.42%), Dermathophagoides pteronyssinus (19.10%), Cheyletidae (14.63%), Blomia spp (9.83%), Mesostigmata (8.79%), Dermathophagoides farinae (5.23%). TDR berpotensi mengganggu kesehatan penghuni asrama.
Keyword: Blomia, Dermathophagoides, mahasiswa asrama, tungau debu rumah

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