pencil lead
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Flash
Researchers develop new faster, cheaper COVID-19 test that uses pencil lead
[ad_1] Image Source : AP The test uses easily assembled materials such as human angiotensin-converting enzyme 2, modified graphite leads,…
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[ad_1] Image Source : AP The test uses easily assembled materials such as human angiotensin-converting enzyme 2, modified graphite leads,…
Read More »