Jako editor krásy je těžké zabalit hlavu kolem skutečnosti, že na světě jsou lidé, kteří se denně opouštějí opalovací krémy.
(Obzvlášť po tom, co viděli hrozné spáleniny, jako by hořelo rameno nebo tohle blůzy nohou běžec, nebo když zjistili, kolik to tráví USA za spáleniny po spálení slunce.) Ale možná by začali slathering, pokud by to bylo vyrobeno s blázen – chladná složka, jako je DNA? Vědci (a pravděpodobně všichni dermatologové v celém kraji) to určitě doufají.
Podle nedávné studie publikované v časopise Vědecké zprávy, výzkumný tým z Binghamtonské univerzity v New Yorku zjistil, že molekuly zesítěné DNA mohou poskytnout ochranu proti ultrafialovému záření (a. k. UV záření). (DNA opalovací krém by mohla být věc, lidé!)
Pro tuto studii výzkumníci vytvořili DNA filmu, tenkou vrstvu DNA z lososího spermatu, rozloženou na kus skla a nechala se uschnout, a pak vystavila film UVA i UVB světlu. “Testovali jsme mnoho filmů a děláme to samé s DNA z jiných zdrojů,” říká Guy German, autor studie. “Testovali jsme také schopnost uchovávat vodu na vzorcích stratum corneum, což je nejvzdálenější vrstva lidské kůže.”
Tým zjistil, že film zablokoval až 90 procent UVB světla a 20 procent světla UVA. A co víc je, že čím déle byl film vystaven UV záření, tím silnější se stal, což znamená, že prošlo méně světla. “Přenos viditelného světla byl poměrně nedotčený,” říká německy.
“Ve skutečnosti, čím vyšší je SPF, tím lepší je, jako v reálném světě, nemusíte se opírat o tolik opalovacího krému, než bychom měli, a my se neaplikujeme tolik, kolik bychom měli,” říká Zeichner. “V důsledku toho se tato hodnota SPF zředí. Čím vyšší je SPF, kterou používáte, znamená to, že máte k dispozici bezpečnostní síť, která zajistí správnou ochranu.”
Více informací o ochraně před sluncem:
- 11 tipů na ochranu před sluncem od nejlepších Dermatologů v zemi
- Všechno, co jste chtěli vědět o kontrolách pokožky (ale báli se požádat o internet)
- SPF můžete jíst
Nyní postupujte podle těchto tipů pro bezpečné opalování:
Sledujte Sarah na Twitteru a Instagram.
As an AI language model, I do not have a personal opinion, but I can provide a translation of the text from Czech to English:
As a beauty editor, its hard to wrap your head around the fact that there are people in the world who leave their sunscreen behind every day. (Especially after seeing terrible burns, like a shoulder that looks like its on fire or a runners leg in this blouse, or when they realize how much the US spends on burns after sunburn.) But maybe they would start slathering if it was made with a crazy – cool ingredient like DNA? Scientists (and probably all dermatologists in the region) certainly hope so. According to a recent study published in Scientific Reports, a research team from Binghamton University in New York found that cross-linked DNA molecules can provide protection against ultraviolet radiation (a.k.a. UV radiation). (DNA sunscreen could be a thing, people!) For this study, researchers created a DNA film, a thin layer of DNA from salmon sperm spread on a piece of glass and allowed to dry, and then exposed the film to UVA and UVB light. “We tested many films and did the same with DNA from other sources,” says Guy German, author of the study. “We also tested the ability to retain water on samples of the stratum corneum, the outermost layer of human skin.” The team found that the film blocked up to 90 percent of UVB light and 20 percent of UVA light. Whats more, the longer the film was exposed to UV radiation, the stronger it became, meaning it let less light through. “Visible light transmission was relatively unaffected,” German says. This is an exciting revelation in the field of sun protection, but realistically it could take years before this type of technology could be incorporated into products that are visible on todays SPF fields (although German says he and his team are already working on commercialization), says Joshua Zeichner, director of cosmetic and clinical research at Mount Sinai Hospital in New York. So until that time comes, he recommends sticking to sunscreen with at least SPF 30 (we love it). “In fact, the higher the SPF, the better, as in the real world, you dont have to rely on as much sunscreen as we should, and we dont apply as much as we should,” Zeichner says. “As a result, this SPF value is diluted. The higher the SPF you use
As an AI language model, I do not have a personal opinion, but I can provide a translation of the text from Czech to English:
As a beauty editor, its hard to wrap your head around the fact that there are people in the world who leave the house without sunscreen every day. (Especially after seeing terrible burns, like a shoulder that looks like its on fire or a runners leg covered in blisters, or when you realize how much the US spends on treating sunburns.) But maybe they would start slathering it on if it was made with a crazy ingredient – like DNA? Scientists (and probably all dermatologists in the region) certainly hope so. According to a recent study published in the journal Scientific Reports, a research team from Binghamton University in New York found that cross-linked DNA molecules can provide protection against ultraviolet radiation (a.k.a. UV radiation). (DNA sunscreen could be a thing, people!) For this study, researchers created a DNA film, a thin layer of DNA from salmon sperm spread on a piece of glass and allowed to dry, and then exposed the film to UVA and UVB light. “We tested many films and did the same with DNA from other sources,” says Guy German, author of the study. “We also tested the ability to retain water on samples of the stratum corneum, which is the outermost layer of human skin.” The team found that the film blocked up to 90 percent of UVB light and 20 percent of UVA light. Whats more, the longer the film was exposed to UV radiation, the stronger it became, meaning it let less light through. “Visible light transmission was relatively unaffected,” German says. This is an exciting discovery in the field of sun protection, but realistically it could take years before this type of technology could be incorporated into products that are visible on todays SPF shelves (although German says he and his team are already working on commercializing it), says Joshua Zeichner, director of cosmetic and clinical research at Mount Sinai Hospital in New York. So until that time comes, he recommends sticking to sunscreen with at least SPF 30 (we like it). “In fact, the higher the SPF, the better, because in the real world, you dont apply as much sunscreen as you should, and we dont apply as much as we should,” Zeichner says. “As a result, that SPF value gets diluted. The