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The Curious History of Ultraviolet Blood Irradiation

The Curious History of Ultraviolet Blood Irradiation

In the 1940s and 1950s, ultraviolet irradiation of human and animal blood was researched, providing some surprising results for a wide range of conditions. The research was halted due to the rise of antibiotics and vaccines, but is it time to reevaluate this abandoned treatment?

Why UVC Dosimeters Are Important

Why UVC Dosimeters Are Important

More people than ever are utilizing ultraviolet UVC irradiation in their homes and businesses. This increase in popularity is a direct result of the response to COVID-19 over the last eight months. One of the most common questions we receive is how to measure UVC dose or intensity at a... Read more »

How UV-B Inhibits Photoreactivation in Ultraviolet Disinfection

How UV-B Inhibits Photoreactivation in Ultraviolet Disinfection

Most of the impact of ultraviolet disinfection is in the UV-C range. UV-B has a much lower lethality rate for microbes than UV-C. However, a phenomenon called "photoreactivation" can impact disinfection. And UV-B can help prevent photoreactivation of pathogens. What Is Photoreactivation? Photoreactivation is the process whereby microorganisms are exposed... Read more »

UV Water Purification Makes Sense for Aquariums and Ponds

UV Water Purification Makes Sense for Aquariums and Ponds

One unpleasant discovery that many homeowners and aquarium hobbyists make is that their ponds or aquariums can quickly become a haven to aggressive algae and harmful pathogens that kill fish and plants. Cloudy water, sick marine life, and an overall unhealthy look and feel to the water are the result.... Read more »

Five Signs You Need a New Projector Lamp

Five Signs You Need a New Projector Lamp

Learn five signs that it's time to replace your projector lamp. The last thing anyone wants is to be caught with a burnt-out bulb at exactly the wrong time. There are several ways to determine if your projector bulb is reaching the end of its life or is about to fail completely.

Hitachi Projectors Now Maxell

Hitachi Projectors Now Maxell

As of October 1, 2019, Maxell Corporation of American (a subsidiary of Maxell Ltd.) will assume complete responsibility for all Hitachi brand projectors and Maxell brand projectors in the North American market. Since July of 2013, when Maxell acquired the Hitachi projector line, they¬†have overseen the development and production of... Read more »