Science story
Why is ultraviolet light used to kill bacteria?
For decades, germ-killing UV rays have been used to disinfect various objects and surfaces.
Uvb
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Articles about Uvb
12 published items.
Computer science
How to view UV index right on Android and iPhone phones
Skin exposed to excessive amounts of UV (ultraviolet) rays can lead to sunburn, sunburn, aging or even cancer. So is there a way to see the fastest and simplest UV index…
Discover science
Do we get sunburn in winter?
The answer is yes. The amount of ultraviolet (UV) radiation decreases slightly in the winter but is still at risk, especially for people with sensitive skin.
Biology
Sunscreen of plants
Plants do not get sunburn because they secrete substances that act as sunscreens, helping to protect them from harmful sun rays.
Medicine - Health
Choose and use sunscreen properly
UVB radiation with a wave length of 280-320 nanometers causes skin darkening and burning. UVA radiation with a wave length of 320-400 nanometers only darkens the skin.
Medicine - Health
Detects pigment Melanin to darken the skin
Recently, US scientists have discovered skin cells containing pigment Rhodopsin, a visual pigment, that promotes the production of Melanin skin to darken the skin when e…
Medicine - Health
Ultraviolet light from the sun causes DNA damage
Even when there is no sunlight, the effects of ultraviolet rays (also known as UV rays) from the sun can cause deadly consequences, US researchers said.
Medicine - Health
Caspace-14 protects skin against UVB rays and dehydration
The VIB scientists associated with Ghent University have demonstrated that the caspace-14 protein whose function has so far not been known plays a role in maintaining ba…
Cancer
What really happened when we were sunburned?
One of the reasons we have to avoid going out on hot days is
Cancer
How to deal ultraviolet rays in the hot season
The hot days make people's lives turn upside down. In Ho Chi Minh City, UV index (ultraviolet rays) is quite dangerous.
Cancer
5 things to know about skin cancer
Skin cancer is the most common type of cancer, more than all other cancers combined. Most skin cancers can be detected early easily. However, clinically, it is important…