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Note the staggered openings on the mutagenized DNA strands

So I started where any normal person does now-a-days Google

David Sinclair Still Takes NMN 1g NMN arguably stands at the forefront of Sinclairs regimen, serving as a precursor to nicotinamide adenine dinucleotide (NAD+), a molecule that plays a fundamental role in cellular energy production, DNA repair, and the regulation of aging pathways

JAMA 324 , 111 (2020)

Calabrese EJ, Kozumbo WJ

This device traps and accurately measures the gas generated in the enzymatic reaction solution well and the well adjacent to it, thus eliminating interference from the assay reagents on the enzyme and its substrate