Judul: Optimization High Performance Liquid Chromatographic Fingerprint of sappan wood (Caesalpinia sappan)
Abstrak: Mixture design has been applied for optimization of Caesalpinia sappan chromatographic fingerprint. The design applied for unreplicated and simultaneous optimization of HPLC mobile phase mixture. Ethanol extracts with highest antioxidant activity resulted from sonication extraction method was chosen for HPLC analysis . The reversed phase chromatographic mobile phase in simplex centroid design consist of varying proportion of methanol 50 %, methanol: water: TFA (25: 75: 0.025 v/v), and methanol: water: TFA (15: 85: 0.035 v/v). Ethanol 70 % extract of sappan analyzed with ten mobile phase and monitored at 254 and 280 nm. Correlation between HPLC mobile phase and a number of peak analyzed statistically by SAS 9.2. The root mean square errror of calibration (RSMEC) and root mean square errror of calibration (RSMEP) at 254 and 280 nm, were 8.3006 and 8.29659, 3.88730 and 4.85193 respectively. Optimum condition obbtained when ethanol 70 % extract eluted by methanol: water: TFA (15: 85: 0.035 v/v), with the 15 number of peaks.
Keyword: 

Judul: Optimization TLC Mobile Phase Using Mixture Design for Separating Meniran Extract Component (Phyllanthus niruri).
Abstrak: The right mobile phase selection is one of methods to obtain a good component separation. This is the one of method to support fingerprint analysis that will be used as a quality control tool of herbal me dicines. Meniran is one of herbal medicines that used as a sample in this study. Mobile phase optimization was started with elution by using 13 single solvents with 4 kind of detections, namely ultraviolet (UV) 254 nm, UV 366 nm, vanillin-sulfuric acid, and anisaldehyde. Mixture design with simplex centroid scheme is selected to give some combinations from 3 selected solvents , they are acetone, dichloromethane, and chloroform. According to Minitab 14 software, optimum point when using UV 366 nm detection was obtained using chloroform and dichloromethane ratio of 0.6553:0.3447, whereas the optimum point was obtained of using vanillinsulfuric acid detection with chloroform and dichloromethane ratio of 0.0741:0.9259. Both detections results are considered good in terms of high R2 value , with 91.56% for UV 366 nm detection and 95. 16% for vanillin-sulfuric acid detection.
Keyword: 

Judul: Infeksi Virus Parainfluenza Pada Anjing
Abstrak: Virus parainfluenza anjing termasuk famili Paramyxoviridae, berbentuk pleomorf dengan ukuran bervariasi (bergaris tengah antara 100-500 nm), berpembungkus peka ether, berisi genom RNA dan secara serologis mempunyai kesamaan dengan virus SV-5 kera; dikenak sebagai salah satu kausa penting dari sindrom "kennel cough". Infeksinya dapat mengenai anjing semua umur yang belum pernah terinfeksi atau mendapatkan vaksinasi mengakibatkan gejala klinis ringan yang terbatas pada traktus respirasi atu infeksi yang secara klinis tidak memperlihatkan gejala nyata. Gejala klinis yang nampak setelah masa inkubasi (1-5 hari) terlewati berupa batuk yang tidak berat selama beberapa hari, berbagai tingkat tonsilitis dan pharyngitis dan kadang-kadang ditemukan kenaikan temperatur rektal antara 1-2 derajat C dari temperatur normal rat-rata. Anjing terinfeksi mengandung virus pada traktus respirasi bagian atas dan bawah serta limfonoduli sampai hari ke 9 setelah infeksi. Penyebaran virus antar anjing terjadi secara aerogen.
Keyword: