Nanostructured Lipid Carriers (NLC) are lipid-based carrier system that use a matrix combination in the form of solid and liquid which are stabilized with the addition of surfactant. This NLC was developed to facilitate the dispersion of hydrophobic bioactive compound in a hydrophilic system. This research aims to get the right formulation and can develop stable characterization, using solid lipids Poloxamer and Stearic Acid with liquid lipids Soybeans Oil using surfactant Tween 80 and co-surfactant Propyleneglycol.. The to make the formulation of NLC with a ratio of poloxamer and stearic acid as solid lipid: soybeans oil asliquid lipid is 3:3, 4:2, 5:1 ,surfactant tween 80 and co surfactant propyleneglycol. Test the NLC characterization including PH value, viscosity, particle size, and polydispersity index. Data analysis used to evaluate the characteristics of the obtained NLC using descriptive. The result of the research showed that NLC had good characteistics at a solid lipid poloxamer and stearic acid with Soybean oil liquid lipid ,pH in the range 4-6; good viscosity; good particles have a range of 1000nm; and polydispersity index which shows the results of monodispersion. Nanostructured Llipid Carriers with solid lipid poloxamer and stearic acid and liquid lipid soybean oil obtained good characteristics.
Pembangkit Listrik Tenaga Mikrohidro (PLTMH) adalah pembangkit listrik berskala kecil yang menggunakan potensi aliran air yang terdapat di saluran irigasi, drainase dan sungai. Dalam perencanaan PLTMH di Jalan Salatiga Kota Malang, peniliti menggunakan konsep drainase berwawasan lingkungan pada desain outlet PLTMH dengan tujuan untuk mengendalikan debit aliran tinggi yang ada di saluran drainase Jalan Salatiga Kota Malang.Konsep drainase berwawasan lingkungan (ecodrain) yang memerlukan lahan yang tidak luas, mampu diandalkan untuk suatu sistem pengendali debit di suatu saluran air atau sungai. Pengoperasian pintu sorong di inlet dan outlet PLTMH juga dimanfaatkan sebagai sistem pengendali debit aliran tinggi. Peneliti dalam pengambilan data debit saluran drainase menggunakan aturan SNI mengenai tata cara pengukuran debit aliran sungai dan saluran terbuka menggunakan alat ukur arus dan pelampung. Dari hasil pengamatan, didapat hubungan tinggi muka air dan debit yang kuat dengan nilai R² = 0,8464 dan persamaan y = 6,1826x1.8236. Dari hasil analisis hubungan tinggi muka air dan debit, didapat debit sebesar 16,27 m³/detik pada saat tinggi muka air mencapai 1,7 meter dan debit yang masuk ke PLTMH sebesar 1,3 m³/detik. Dari hasil perencanaan ecodrain, didapat unit kolam retensi mampung menampung air sebesar 60,74 m³, sumur resapan dapat meresapkan air sebesar 1,347 m³/detik dan bioretensi meresapkan air sebesar 1,085 m³/detik. Pada saat debit aliran tinggi pintu outlet ditutup supaya air dari PLTMH bisa masuk ke unit-unit ecodrain, sedangkan pintu inlet tetap dibuka pada saat debit aliran rendah maupun tinggi.
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