Yelanga eyingozi

yelanga eyingozi namandla eliphezulu kakhulu. Kule meko, kwinkqubo kukufakwa kubume molecule kwaye atomic ijongene utshintsho olukhulu. Amandla ako, nto leyo eyabelwe yelanga eyingozi, ungasetyenziswa xa waphula ndisezintanjeni ezibuthathaka iimolekyuli protein. Le nkqubo ibizwa ngokuba photolysis. flow yayo ihamba kunye ukukhutshwa kwezinto esebenzayo phantsi kwempembelelo medium wave yelanga zokukhanya ngayo.

nefuthe lexeshana-ngumtshangatshangiso kuphakamisa nokuguqulwa le Polymer protein, leyo, ukulahlekelwa umsebenzi wayo, kwenze. yelanga eyingozi nempembelelo okhethekileyo molecule DNA. Phantsi impembelelo ephula waphawula kabini ye DNA kunye hlula cell. Kwangaxeshanye, yelanga eyingozi zibangela oxidative ukuthotywa izakhiwo protein. Oku kukhokelela ukufa kweeseli. Kodwa Iinkozo ezonakeleyo bayakwazi ukubuyisela (ukulungisa emnyama). Oku kunokwenzeka phantsi kweempembelelo elide-wave UV radiation namandla okukhanya okubonakalayo. Kule nkqubo, enzayim ezithile inxaxheba.

I emnyama kunye nokulungiswa photo-yokusabela kwakucingwa ukuba udidi reactions zokuzikhusela-encomekayo. Bayibeka uhlobo umzimba womntu, ukhuseleko kwimiphumo radiation UV.

Medium-isiphumo kweevithamini kunceda ukwenza iinkqubo ze ukubunjwa. Ngoko ke, lo yelanga eyingozi niguquke pro-iivithamini equlethwe eluswini, ibe novithamini D. engena kuphela-yeshumi elinye ndlela, ukungakhuseleki inika ukuyilwa isixa esikhulu amandla xa kuthelekiswa namanye amaza of spectrum infrared nebonakalayo.

Photolysis, kunye nokuguqulwa ke umaleko spinous kwesikhumba. Kunye nale kwenziwa release histamine, acetylcholine, amine biogenic. Ezi zinto bawaphikise kuphuhliso erythema. Oku kwenzeka emva kweeyure 2-8. iimveliso protein yokubola igalelo ekwandiseni kwemithambo yegazi, yokufuduka iiseli ezimhlophe zegazi, ukudumba kwesikhumba. Onke la eziyintsinda receptors kwesikhumba receptors kwanangezibilini kunye reactions ukwenzeka neuroreflex. Iimveliso ukubola diverge egazini, ukunika impembelelo humoral. zokukhanya yelanga for MW uchunge bandiqumbise impendulo yokukrala aseptic esikhumbeni. Ngosuku lwesibini lufikelela iphezulu. Ngomhla wesixhenxe, ngomhla wethoba impendulo kwiintetho ezikralayo, xa singenelayo, endaweni tan ibonakala. Mfutshane radiation wave ukubacaphukisa ngokukhawuleza erythema, eshiya ibala wobulali.

chromogenic obukhulu abachatshazelwa elide-ngumtshangatshangiso UV eyingozi. Xa melanoblast ise umaleko carcinomas ye sangaphandle, ukususela tyrosine, kunye neemveliso ukubola iadrenaline dihydroxyphenylalanine kwakhiwa melanin. (Melanin) iimolekyuli lakhe elikhulu ukuthintela ukungena nzulu dermis iingceba iimolekyuli protini kutshatyalaliswa radiation UV. Ukongeza, ezi molekyuli bala lintsundu ukufunxa reyi infrared kunye spectrum ebonakalayo. Ngenxa yoko, isikhumba biyela nobushushu luvutha. Kwiindawo eziphembelela yelanga eyingozi lwakukhula nkovu kunye ithombo legazi uyaphuculwa inshorensi ngokutsha, ukwanda Yindibanisela imicu collagen. Xa erythema kakhulu Amanzi ziyanyuswa lwenzeke kakuhle kwaye njalo iinkqubo arhabaxa.

exposure yelanga sisetyenziswa ngokubanzi cosmetology. Ngoko, kwi solarium ulalisa kunye ezintle tan. Isebenzisa reyi elide-yomtshangatshangiso, ngoxa elifutshane neliphakathi-radiation in zokuzilungisa bed amacebo.

Kufuneka kuqatshelwe ukuba sesichengeni kakhulu kwi ilanga kunokukhokelela kwesikhumba, ukuhla luthambe kwesikhumba. Ngapha koko, oku ukuze isebenze yi ukuyilwa radicals ezamahala ezibangela umhlaza.

Ukuze ubone umgca phakathi 'eziyingozi' yaye 'kuyingenelo "isebenzisa i index ilanga UV. Le Parameter ibonisa inqanaba radiation on Earth.