Judul: Protective and curivative effects of bangle (Zingiber cassumunar ROXB) rhizome extract on liver inflammation in rats and their mechanisms on Macrophage and Lymphocyte Cells
Abstrak: Rimpang bangle (Zingiber cassumunar Roxb) telah digunakan sebagai obat tradisional dan rempah seperti halnya kunyit, dan telah diketahui mempunyai akitivitas antioksidan dan antiperadangan. PEnelitian ini bertujuan menguji kemampuan sediaan bangle dalam melindungi dan menyembuhkan hati tikus terhdap peradanganakibat induksi CCl4 dan mempelajari mekanisme antiperadangan sediaan bangle secara in vitro pada makrofag dan limfosit.
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Judul: Fungsi Hati Tikus yang Diberi Aromaterapi Ekstrak Bangle Sebagai Pelangsing Tubuh
Abstrak: Bangle (Zingber purpereum Roxb.) has been widely used as a traditional medicine such as for a body slimming. This study was aimed to examine the safety of bangle extracts aromatherapy against mouse hearts by analysis of SGOT and SGPT. The effects of extracts on the liver was detected through observing the color of the liver, SGOT, SGPT and liver histopathology. A total of 50 adult Sprague-Dawley strain rats were divided into 5 groups, group A negative control (normal feed), group B positive control (high fat diet), group C crude extract inhalation bangle (dimetoksifenil butadiena – DMPBD), group D inhalation by compounds fraction x (sabinena), group E inhalation by pure bangle compounds (terpinen-4-ol). The analysis was conducted using spectrofotometric technique to measure SGPT and SGOT enzyme activity in blood and liver histopatologi to examine the condition of liver funcion. This suggests that aromatherapy slimming treatment using extracts and compounds derived from the bangle does not affect the performance of the liver function so it safe for the liver.
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Judul: 3D model reconstruction using aerial photo to measure object height
Abstrak: 3D reconstruction, especially for height extraction, using digital aerial photos taken from a non-metric camera and Unmanned Aerial Vehicle (UAV) is a challenging study. The purposes of the study are to determine the factors affect the accuracy of an object’s height reveal from a 3D model and establish procedures to deliver the optimal result. Two or more overlapping aerial photos can be constructed into the 3D model by applying the principles of collinearity and epipolar geometry using 3D reconstruction algorithm. Due to the instability of non-metric digital camera, the camera must be calibrated before 3D reconstruction is processed, in that way the quality of spatial extraction can be then measured. The study is conducted using 24 megapixels resolution Sony NEX7 digital camera and Hexacopter UAV. UAV was flown to a height of 50 m, 60 m and 70 m and placed at a certain position in order to get some height variations of camera. Camera Calibration Toolbox is utilized to calculate intrinsik parameters of the camera and a specific program is developed using MATLAB in order to build the 3D model and to obtain the object’s height. The result validation is done by comparing the height from 3D model with that one measured using Electronic Total Station. The accuracy of the object’s height up to 1 mm successfully achieved, with the largest height prediction error reaches 15.2 cm at 70 m flying height above ground level and average percentage error 4.07 for 20 objects.
Keyword: 3D reconstruction, collinearity, epipolar geometry, UAV