Dais Analytic Corporation (OTCQB: DLYT), a commercial nanotechnology materials business selling its industry-changing nanomaterial technology into the worldwide water, air and energy markets, announced an increase in revenue in the first quarter over the previous year. Revenue for the first quarter of 2018 was $253,674, compared to $21,376 in the first quarter of 2017, and nearly double the revenue in the fourth quarter of 2017.