Ultraviolet ụzarị

Ultraviolet ụzarị nwere nnọọ elu ike. Banyere nke a, na usoro nke na absorption na molekụla na atọm Ọdịdị na-enwe ịrịba mgbanwe. The etinye obi gị dum ike, nke a na-ekenyela ultraviolet ụzarị, ike ga-eji na-agbasa ike nkekọ nke protein ụmụ irighiri. Nke a usoro a na-akpọ photolysis. Ya eruba na-esonyere ntọhapụ nke-arụ ọrụ bekee n'okpuru nduzi nke na-ajụ ife ultraviolet irradiation.

Short-efegharị efegharị mmetụta akpalite denaturation nke protein polima, nke, adịkwa ya ọrụ, ịkpali. Ultraviolet ụzarị nwere a pụrụ iche mmetụta na DNA molekul. N'okpuru nduzi nke mebiri hụrụ ibawanye nke DNA na cell nkewa. N'otu oge ahụ, ultraviolet ụzarị ime ka oxidative umuihe na protein owuwu. Nke a na-eduga ná cell ọnwụ. Ma mebiri emebi ndụ nwere ike nke inyeghachi (ọchịchịrị mmezi). Nke a kwere omume n'okpuru nduzi nke ogologo-efegharị efegharị UV radieshon na anya ìhè ike. Na ndị a Filiks, ụfọdụ enzymes na-aka.

The ọchịchịrị na photo-reactive mmezi nke na udi nke na-echebe-agbanwe Jeremaya mere. Ha tọrọ ọdịdị nke ahụ mmadụ na-enye nchebe pụọ ná mmetụta nke UV radieshon.

Na-ajụ-mmetụta nke vitamin na-enyere aka rụọ ọrụ Filiks nke guzobere. N'ihi ya, ultraviolet ụzarị ndị converted pro-vitamin ẹdude ke anụ ahụ, n'ime vitamin D. abami naanị otu-ụzọ n'ụzọ iri nke a millimeter, ikpughe enye guzobere a nnukwu ego nke ike tụnyere ndị ọzọ akpa ebili mmiri nke infrared na anya ụdịdị dị iche iche.

Photolysis, na denaturation nọ spinous oyi akwa nke anụ ahụ. Ọnụ na a na-eme histamine ntọhapụ, acetylcholine, biogenic amines. A ogige akpasu mmepe nke erythema. Ọ na-adị mgbe 2-8 awa. protein decomposition ngwaahịa na-eme ka mgbasa nke ọbara arịa, Mbugharị nke mkpụrụ ndụ ọbara ọcha, ọzịza nke anụ. All ndị a phenomena na-mgbagwoju anya na anụ iyatesịt anabata viscera anabata na omume neuroreflex Jeremaya mere. The ire ere ngwaahịa diverge site n'ọbara, na-enye humoral mmetụta. Ultraviolet irradiation maka MW nso akpasu ihe aseptic mkpali omume na akpụkpọ. Site na ụbọchị nke abụọ ọ esịmde ya kacha. Nke asaa, nke itoolu ụbọchị nke mkpali omume na-aga, kama tan egosi. Short-efegharị efegharị radieshon ngwa ngwa akpasu erythema, na-ahapụ a nwayọọ pigmentation.

Oke chromogenic emetụta ogologo-efegharị efegharị UV ụzarị. Na melanoblast emi odude ke basal oyi akwa nke epidermis, si tyrosine, na ire ere ngwaahịa adrenaline dihydroxyphenylalanine kpụrụ melanin. Ya (melanin) ibu ụmụ irighiri gbochie ingress miri n'ime dermis iberibe protein ụmụ irighiri bibiri UV radieshon. Ke adianade do, melanin ụmụ irighiri banye infrared ụzarị na anya ụdịdị dị iche iche. N'ihi ya, ikpa na-echebe site na ekpo oke ọkụ na-ere ọkụ. Na ebe nke mmetụta nke ultraviolet ụzarị na-ụba Lymph na ọbara na-akakwa mma cover imu, mụbara njikọ nke collagen emep uta eri. Mgbe ufiop erythema eru adịkwu aa acutely na arịa mkpali Filiks.

Ultraviolet ikpughe na ọtụtụ-eji cosmetology. Ya mere, na solarium bụ ezigbo onye na mara mma tan. Ọ na-eji ogologo-efegharị efegharị ụzarị, mgbe mkpụmkpụ-na-ajụ-radieshon na tanning salons bụ nzacha.

Ọ ga-kwuru na oké n'ebe anyanwụ pụrụ iduga nká, a ọnụ na ekwedo nke anụ. Ọzọkwa, ọ nwere ike na-arụ ọrụ site guzobe free radicals na-eme ka cancer.

Iji chọpụta akara n'etiti "emerụ" na "bara uru" na-eji anyanwụ UV index. Nke a oke-egosi ọkwa nke radieshon on Earth.