Research, field notes, and practical guidance on UV-C, surface hygiene, and health technology.
I wipe my kitchen counters every night. Then I learned my car, the place my hands touch most, was the surface I cleaned the least. Here is what I found, and ...
Earbuds sit inside one of the warmest, most humid parts of your body all day. Here is what that does to the surface you put in your ear, and the right way to...
I cleaned my phone, my keyboard, my watch band. Never my earbuds. Then I read the swab numbers, and found a no-liquid way to disinfect the spots a cloth cann...
Salmonella enterica is a vegetative Gram-negative bacterium with no spore coat and no particular UV resistance, which puts it among the easiest common foodbo...
UV-C at 254 nm inactivates methicillin-resistant Staphylococcus aureus on direct-contact surfaces at roughly 6.5 mJ/cm² for a 3-log reduction, which is a few...
Do not point a UV-C device at your body to treat scabies, and do not let a product page talk you into it. On fabrics, furniture, and mattresses the answer is...
UV-C does inactivate Clostridioides difficile spores, but the dose required is roughly 5 to 10 times what it takes to kill ordinary vegetative bacteria, and ...
UV-C at 254 nm inactivates norovirus on exposed hard surfaces at roughly 10 to 25 mJ/cm², with peer-reviewed data from Shaffer et al. 2024 showing greater th...
UV-C at 254 nm inactivates mold spores by cross-linking the DNA inside them, but the dose required is roughly 10 to 100 times higher than the dose that kills...
