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An enzyme-displaying yeast as a whole-cell biocatalyst seemed an alternative to immobilized enzyme, due to its low-cost preparation and simple recycle course. Here, we tried to use a recombinant Pichia pastoris displaying Candida antarctica lipase B (CALB) to catalyze the synthesis of short chain flavor esters in n-heptane. We studied some major influential(More)
In this paper, the design and implementation of a three stage fully differential D-band power amplifier in 65nm CMOS technology is demonstrated. By using the capacitive neutralization technology and inter-stage matching networks based on transformers, this power amplifier achieves a peak power gain of 16.8dB and 7.9dBm saturated output power at 140GHz. The(More)
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