Alumni from last year's winning entry are collaborating with team members from the University of Edinburgh to combine the bio-sensor with an arsenic detector.
从去年的得奖校友与来自英国爱丁堡大学的研究小组成员在生物探测器中加入砷探测器。
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Arsenic poisoning from drinking water has become a serious human health threat throughout the Indian subcontinent and a bio-sensor may serve as a low-cost early-warning system.