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Lumacept™ is a coatings technology specifically developed for use with UV-C disinfection devices. Because standard paint absorbs 93-97% of the germicidal UV-C light, surfaces not in direct line-of-sight of the UV-C device are shadowed. Lumacept™ can reduce treatment times by 80% and can substantially increase germicidal effectiveness for indirect surfaces.

Nebraska Medical Center Improves UV Disinfection with Lumacept

Researchers at the University of Nebraska Medical Center have recently published an article in the Journal of Occupational and Environmental Hygiene demonstrating the benefits of Lumacept UV-C reflective coatings.   This study was conducted in the Nebraska Biocontainment Unit, which is one of only a few units in the US capable of treating patients with deadly infectious diseases such as Ebola.   In this study, researchers used a portable UV device to inactivate…

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CDC Study Demonstrates the Benefits of Lumacept

In an article recently published in the Journal of Occupational and Environmental Hygiene, researchers at the CDC’s National Institute of Occupational Health and Safety studied the use of UVGI in an ambulance.  The study found that optimizing the location of the UV fixtures and using Lumacept UV-C reflective paint “can substantially improve the performance of a UVGI system and reduce the time required for disinfection”.  These finding are in excellent agreement…

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Measuring UV-C Dose on Healthcare Surfaces

Previously, we wrote about how to “see” UV-C reflection or absorption. We’ve found that UV imaging can help us visualize how UV is scattered around a hospital room and, therefore, better understand which areas are being properly treated (and which may not be). While this is certainly useful, what we really need to know is the actual UV intensity on a given surface. In other words, how much UV light energy per square centimeter is hitting every surface in a room?  This is the value that truly determines how much disinfection takes place. Scientists long ago correlated UV energy per area to germicidal performance, often expressed as log reduction. UV intensity can be measured in a few different ways. Here we’ll discuss two: radiometric sensors and photochromic indicators. Radiometric Sensors Simply…

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Lumacept Project at Sanford Health in Fargo

Lumacept recently teamed up with Sanford Health in Fargo to help design its new Special Care Unit for highly infectious patients.  The new unit is equipped with UV fixtures and Lumacept’s UVC-Max coating on the walls and ceiling in order to rapidly disinfect the room.  An adjacent anteroom also uses UV to help disinfect healthcare worker’s personal protective equipment (PPE) prior to doffing.  The diffuse reflective properties of UVC-Max helps to disperse the UV light and ensure indirectly illuminated areas of the room receive an adequate dose of UV.  Lumacept’s LumaSim technology was also used to help design the layout of the light fixtures in both the patient room and anteroom. http://www.kvrr.com/news/local-news/sanford-health-preps-for-infectious-diseases-video/32289208

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How to “see” UV-C

You’ve probably never worried too much about it, but humans are incapable of seeing UV light.  Because of this, it is impossible for us to see which parts of a hospital room are getting illuminated with UV and which are in shadow.   Worse yet, we aren’t even able to use visible brightness as an indicator, since surfaces that look very reflective in visible light might be completely absorbing in UV light. But thanks to modern CCD camera technology, there actually is a way to essentially “see” UV.  Certain cameras are sensitive to UV light, including some which are sensitive down to the UV-C range.  These aren’t ordinary cameras, such as what you’d find on a smartphone.  Rather, they are specially-designed cameras used for industrial purposes.  Here is an interesting link with more information. By taking a camera…

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