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We report a new type of microcolumn installed in a microchip. The architecture allows use of a nucleic acid sandwich hybridization technique to detect a messenger RNA (mRNA) chain as a target. Data are presented that demonstrate that the expression of a chimeric fusion gene can be detected. The microcolumn was filled with semi-transparent microbeads made of agarose gel that acted as carriers, allowing...
We have fabricated GaAs/GaNAs and GaAs/GaNAs/InGaAs multi-quantum wells (MQWs) introduced into the intrinsic region of GaAs p-i-n solar cells by atomic H-assisted RF-molecular beam epitaxy. Compared to the more conventional GaAs/InGaAs-based MQW solar cells, GaAs/GaNAs/InGaAs MQW solar cells can exhibit improved photoresponse in the below-bandgap energy region of GaAs for >870 nm. This is attributed...
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