Puas yog UV tua cov yoov? Vet-Reviewed Facts & Kev Ua Tau Zoo

Cov txheej txheem:

Puas yog UV tua cov yoov? Vet-Reviewed Facts & Kev Ua Tau Zoo
Puas yog UV tua cov yoov? Vet-Reviewed Facts & Kev Ua Tau Zoo
Anonim

Ultraviolet (UV) lub teeb muaj ntau lub hom phiaj, suav nrog kev ua kom tsis muaj kab mob kev nyab xeeb thiab ua rau muaj kev hloov pauv hauv kev sim sim, tab sis nws puas tuaj yeem tua hma?Yog, tab sis nws yuav tsis yog qhov kev xaiv zoo tshaj plaws.

Vim UV lub teeb hloov pauv cov kab mob caj ces, nws muaj txiaj ntsig ntawm kev tua ntau yam kab mob ncaj qha lossis tsis ncaj nrog hluav taws xob. Tab sis raws li kev siv hauv tsev los tswj cov dev mub ntawm cov tsiaj, nws muaj kev phom sij ntau dua li lwm yam kev kho dev mub.

Kev nkag siab txog UV Radiation

UV hluav taws xob zoo li lub teeb pom kev hauv ntau txoj hauv kev, tab sis nws tsis pab peb pom. Txawm hais tias nws zoo ib yam li lwm hom hluav taws xob hluav taws xob zoo li pom lub teeb thiab xov tooj cua, qhov sib txawv wavelengths muaj qhov sib txawv.

Muaj peb hom UV hluav taws xob:

  • UVA, ib tug ntev-yoj UV rays uas muaj feem ntau ntawm lub teeb uas ncav lub ntiaj teb los ntawm lub hnub. Txawm hais tias tsis muaj teeb meem zoo li lwm cov rays, UVA tseem muaj kev phom sij, tshwj xeeb tshaj yog nyob rau lub sijhawm ntev.
  • UVB, qhov nruab nrab-yoj UV hluav taws xob uas feem ntau lim tawm los ntawm txheej ozone. Qee tus ncav cuag lub ntiaj teb thiab muaj lub luag haujlwm rau feem ntau ntawm cov teebmeem ntawm UV raug, suav nrog kev tshav ntuj, kev laus ntxov ntxov, thiab mob qog noj ntshav.
  • UVC, luv luv-yoj UV hluav taws xob uas lim tawm los ntawm cov txheej txheem ozone tab sis muaj nyob rau hauv cov khoom tsim los tua cov kab mob thiab yog daim ntawv ua kom puas tsuaj tshaj plaws ntawm UV hluav taws xob.

Tshav ntuj yog ib qho chaw ntawm UV hluav taws xob, tab sis muaj ntau cov khoom siv hluav taws xob UV uas siv rau hauv kev lag luam. Piv txwv li, hauv kev kho mob thiab kev kho hniav, UV lub teeb yog siv los tua cov kab mob, kho cov inks thiab resins, tsim cov teebmeem fluorescent, thiab muab kev kho mob.

Hmoov tsis zoo, nrog rau tag nrho cov piv txwv no, muaj kev pheej hmoo nrog UV raug uas yuav tsum sib npaug. Qee qhov raug UV ua rau muaj kev noj qab haus huv, txawm-tab sis raug ntau dhau tuaj yeem ua rau mob qog noj ntshav, tshav kub kub, ua rau muaj kev laus, kab mob qhov muag, thiab kev tiv thaiv kab mob. Qhov no mus tsis tau tsuas yog tib neeg xwb tab sis tsiaj txhu thiab.

ua light
ua light

Yuav ua li cas UV teeb tua?

UV teeb tua cov hlwb los ntawm kev puas tsuaj rau DNA. Nws pib cov tshuaj tiv thaiv ntawm ob lub molecules ntawm thymine, uas yog ib feem ntawm DNA, ua rau lub thymine dimer los kho lub cell.

Qhov ntev thiab khaus ntau dua qhov raug, ntau thymine dimers raug tsim nyob rau hauv DNA. Qhov no ua rau muaj kev pheej hmoo ntawm kev ua yuam kev lossis tsis ploj dimer, uas cuam tshuam rau lub xov tooj ntawm tes kom ua tiav nws cov haujlwm tsim nyog. Lub cell yuav tuag tag los yog cov qog nqaij hlav cancer los ntawm cov hlwb noj qab haus huv.

Nyob rau hauv luv luv, UV tua cell vim yog txuam nrog DNA puas. Qhov no yog li cas UV hluav taws xob siv tau los tua kab thiab lwm yam kab tsuag.

UV teeb rau yoov tshaj cum

Zoo li lwm yam kab mob, yoov tshaj cum tsis tiv thaiv cov teebmeem ntawm UV teeb, tshwj xeeb tshaj yog UVC. Thaum cov neeg laus fleas raug rau 280 nanometers UVC lub teeb rau 30 feeb ntawm qhov deb ntawm 10 centimeters, lawv tuag. Flea qe, ntawm qhov tod tes, tuaj yeem tua tau los ntawm kev raug 100 txog 280 nanometers ntawm UVC lub teeb rau 15 mus rau 30 feeb ntawm 20 centimeters.

Txawm li cas los xij, qhov no yog nyob rau hauv qhov chaw tswj. Fleas yuav tsum nyob twj ywm ze txaus rau UVC lub teeb rau lub sijhawm tsim nyog. Cov neeg laus yoov tuaj yeem txav mus deb ntawm qhov kaj yog tias nws kub thiab tsis xis nyob thiab, nkaum kom txog thaum nws nyab xeeb.

Raws li qhov kis tau tus kab mob, nws yuav siv sij hawm ntev nrog lub teeb UV kom tshem tawm cov yoov tshaj cum thiab xyuas kom tag nrho lub neej cuam tshuam. Thiab yog tias koj muaj kab mob kis rau koj tus dev lossis miv, koj yuav tsum tau kho lawv cais.

Nws tsis muaj kev nyab xeeb los siv lub teeb UV ncaj qha rau koj tus tsiaj, vim tias UV raug rau cov tsiaj muaj kev phom sij rau peb. Qhov kev puas tsuaj uas tshwm sim los ntawm UVC raug ntau tshaj qhov kev txhawj xeeb txog kev da dej dev mub lossis tshuaj tua kab mob.

Aub fleas ze
Aub fleas ze

Siv Flea & Tick Prevention

Ob leeg yoov thiab zuam yog cov kab mob cab uas noj cov ntshav ntawm tib neeg thiab tsiaj txhu. Lawv tau pom thoob plaws ntiaj teb thiab tuaj yeem tshwm sim txhua lub sijhawm ntawm lub xyoo, txawm tias koj yuav pom muaj kab mob ntau dua thaum lub caij nplooj ntoo hlav, lub caij ntuj sov, thiab lub caij nplooj zeeg thaum ntxov hauv qee qhov huab cua.

Tsawg kawg, yoov thiab zuam tuaj yeem ua rau khaus thiab khaus los ntawm lawv qhov tom. Nyob rau hauv cov xwm txheej hnyav, lawv tuaj yeem ua rau muaj kev tsis haum tshuaj loj lossis kab mob ntawm cov yoov tshaj cum. Fleas tuaj yeem kis tau cov kab mob loj xws li flea-borne spotted fever, murine typhus, bartonellosis, lossis miv khawb kub taub hau. Cov zuam kuj muaj cov kab mob loj xws li kab mob Lyme, ehrlichiosis, babesiosis, anaplasmosis, rickettsiosis, thiab tularemia.

Ob leeg yoov thiab zuam tuaj yeem pib tawm ntawm koj tus tsiaj thiab tuaj yeem ua rau koj, ua rau muaj ntau yam kab mob. Txawm hais tias cov zuam thiab hma tsis zoo li tsis muaj teeb meem rau koj cheeb tsam lossis cov tsiaj, nws yog qhov zoo tshaj plaws los siv cov kws kho tsiaj pom zoo dev mub thiab tiv thaiv zuam txhua xyoo es tsis txhob siv tshuaj hauv tsev lossis kev kho mob raws caij nyoog.

Zoo zoo, cov tswv tsiaj tau ua phem rau kev xaiv nrog cov dev mub niaj hnub thiab tiv thaiv zuam. Koj muaj kev xaiv rau tshuaj pleev ib ce, kho qhov ncauj, da dej, dips, thiab dab tshos. Tham nrog koj tus kws kho tsiaj txog koj cov kev xaiv thiab txiav txim siab seb qhov kev kho mob twg yog qhov zoo tshaj plaws rau koj tus tsiaj keeb kwm kev noj qab haus huv, kev ua neej, thiab koj cov kev xav tau thiab kev nyiam.

Conclusion

UV teeb tuaj yeem tua tau txhua yam kabmob uas raug txaus, nrog rau cov dev mub. Txawm hais tias qhov no tuaj yeem ua tau zoo, nws tsis yog qhov kev xaiv zoo siv hauv koj lub tsev, thiab koj yuav tsum TSIS TXHOB siv lub teeb UV rau koj tus kheej lossis koj cov tsiaj kom tshem tawm cov dev mub. Yog tias koj tab tom cuam tshuam nrog cov kab mob fleas, nrog koj tus kws kho tsiaj tham txog kev nyab xeeb dua los kho koj tus tsiaj thiab tua tag nrho cov dev mub hauv koj lub tsev.

Pom zoo: