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Embryogenic and non-embryogenic calli were induced from the Centella asiatica leaf explants on Murashige and Skoog medium supplemented with kinetin and 2,4-dichlorophenophenoxyacetic acid. The extracellular matrix (ECM) layer was seen on the surface of embryogenic cells but not on the non-embryogenic cells. The ECM formed bridges with net-like material between the embryogenic cells. This network like...
In this study, we report an optimization of particle bombardment transformation system for Centella asiatica callus. A total of eight parameters affecting the genetic transformation system were optimized using the synthetic green fluorescent protein (sGFP) as a reporter driven by the CaMV 35S promoter. The results indicated that DNA delivery conditions of 9-cm target distance, 1,100 psi helium pressure,...
We generated 110 watts of radial polarized laser beam from Yb fiber laser using photonic-crystal segmented half-wave-plate. This is a promising external radial polarization converter for fiber laser used in the laser cutting industry.
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