韦茨的团队曾开发出一种制造皮微升的水滴，充当小试管。
Weitz's team had previously developed a way to create picoliter droplets of water, which act as tiny test tubes.
为了证明这一理论，基姆和韦茨博士造出了他们所称的磁性油墨。
To demonstrate, Dr Kim and Dr Weitz created what they call magnetic ink.
上周在波士顿召开的消费者基因组学大会上韦茨发表了这一研究结果。
Weitz presented the findings at the Consumer Genomics Conference in Boston last week.
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