Haɓaka Leds UV A ƙarƙashin Cutar

Cututtukan da ke da alaƙa da lafiya da na ruwa suna kashe biliyoyin daloli a duniya a shekara da dubban rayuka duk shekara. Wani muhimmin mataki na rigakafi shine haifuwa, wanda za'a iya cika ta ta amfani da hanyoyi daban-daban, ciki har da hasken ultraviolet (UV). Tunda ingantattun hanyoyin ba da haifuwa na iya dakatar da yaduwar cututtuka, wannan buƙatu ya zama cikin gaggawa saboda cutar sankarau ta duniya.

Idan aka kwatanta da tushen hasken semiconductor, tushen yanzu kamar kwararan fitila na mercury suna da girma, masu haɗari, kuma suna da ƙarancin zaɓuɓɓukan aikace-aikacen.

Mene Su ne UV LEDs ?

UV-LEDs LEDs ne waɗanda ke samar da haskoki na UV tare da tsawon 400 nm ko ƙasa da haka. An raba su zuwa LEDs mai zurfi-ultraviolet (DUV-LEDs), waɗanda ke da tsayin watsi da kusan 200-3 2 0 nm, da kuma kusa da-ultraviolet haske-emitting diodes (NUV-LEDs), waɗanda ke da tsawon watsi da kusan 3 2 0-400 nm.

UV-LEDs sune 'yan takara masu ban sha'awa don aikace-aikace da yawa, ciki har da maye gurbin fitilun UV, hasken haske mai haske don nuni da haske, kyawawan hanyoyin haske don microscopes da kayan haɓakawa,
hanyoyin haske don motsa jiki 4 ana amfani da su a cikin fasahar kere-kere, magani, da resin resin, tushen haske mai ban sha'awa don spectroscopy da aka yi amfani da shi a cikin gano bayanan kuɗi, guntuwar DNA, da kula da muhalli, da hanyoyin hasken tsafta don lalatawa da haifuwa.

Ƙirƙirar Uv Leds

Ko da a cikin annoba mai gudana, kawar da fomites muhimmin al'ada ce ta lafiyar jama'a don dakatar da yaduwar cututtuka da yawa. Babu shakka akwai sha'awar ƙirƙirar fasahar da za ta ba da damar yin amfani da ƙwayoyin cuta na yau da kullun, musamman a wuraren da jama'a ke ziyarta, idan aka yi la'akari da sanin kwanan nan game da rawar kusanci da kuma cunkoson cikin gida wajen watsa kwayar cutar.

Duk da tasirin su, sinadarai masu aiki a cikin magungunan kashe kwayoyin cuta na gargajiya a cikin asibitoci da saitunan dakin gwaje-gwaje suna haifar da yanayi, lafiyar jama'a, da kasadar ababen more rayuwa wanda ke sa jigilar su cikin wahala. Bugu da ƙari, tasirin magungunan sinadarai na iya bambanta dangane da mai amfani da kuma yadda suke bin hanyoyin tsaftacewa mai maimaitawa a hankali. A matsayin madadin, an yi amfani da hasken ultraviolet (UV) don hana ƙwayoyin cuta da yawa, gami da ƙwayoyin cuta. Hasken ultraviolet na iya sarrafa kansa don samar da adadin ƙwayoyin cuta mai maimaitawa.

Gabatarwar uv LED diode yana ba da matakin ƙazanta daidai da fitilun mercury na gargajiya, amma tare da fa'idodi da yawa, gami da sauƙaƙan sake fasalin a cikin nau'ikan hasken wuta da aka saba da su, tare da ingantattun damar lalata.

Ana nuna tasirin UV don tsaftacewa ta hanyar madaidaiciyar yanayin aiki. Yayin da maƙwabtan thymine (ko tushen uracil a cikin yanayin RNA) suna fama da dimerization, wanda ke rushe tsarin jerin nucleotide kuma ya haifar da "shingewar hanya" a cikin kwafin kwayoyin halitta, tushen nucleotide a cikin DNA da RNA musamman suna sha UV photons.

Masu bincike sun nuna tasirin antiviral na a Uv led ta hanyar kunna ƙwayoyin cuta guda biyu: ɗan adam na lokaci Coronavirus 229E (hCoV-229E) da nau'in ƙwayar cuta ta immunodeficiency 1 (HIV-1). Masu bincike sun nuna raguwa mai yawa a cikin kwafin ƙwayar cuta a cikin dakika bayan bayyanar UV-LED ta hanyar kwaikwayon yanayin muhalli na tarwatsa ƙwayoyin cuta (misali, atishawa, tari, ɗigon jini) ta amfani da hanyoyin tarwatsa ɗigon ruwa.

Bincikenmu yana ba da gudummawa ga ilimin ilimin amfani da UV-LEDs don tsabtace wuraren jama'a masu lamba. UV-LEDs suna wakiltar ƙarin, ingantaccen tsarin kariya daga yaduwar ƙwayoyin cuta saboda ba su da tsada kuma ba su da sauƙi don shigarwa cikin kewayon kayan aikin hasken da ke akwai, musamman a lokacin cututtukan cututtukan numfashi da ke gudana.

Bukatun Don UV-LEDs

Tara 275 nm LEDs a cikin tsararru na 3 3 da LEDs 2380 nm a cikin tsararrun 4 5 sun ƙunshi saiti biyu na UV-LEDs waɗanda aka kawo. Nisa tsakanin LEDs da samfurin da aka fallasa yana kusa da 5 cm, kuma fitowar hasken UV daga kowane tsararru ya kasance daga 0.4 zuwa 0.6 mW/cm2.

Mafi girman tsawon lokacin radiation shine daƙiƙa 30, kuma haɗe-haɗen tsararru sun ba da jimillar kashi ga samfuran rediyoaktif daga 8 mJ/cm2 zuwa 20 mJ/cm2. Gabaɗayan wurin hasken na'urar yana kusa da 10 cm ta 20 cm, ko kuma 200 cm2, mai girma fiye da samfurin da aka ƙone, kuma ya sami jimlar aquifer na 1.6 J zuwa 4 J.

Sakamako Zuwa Bincike Don Haɓaka UV LED Karkashin Annoba

Uv led   An nuna a cikin waɗannan karatun don yin tasiri a kunna ƙwayoyin cuta masu jurewa UV, HIV-1, da ɗan adam Coronavirus 229E. Game da cutar sankara na ɗan adam, mun ga raguwar kwafin ƙwayar cuta har zuwa 5.8-Log. Tunda lalacewar RNA ita ce takamaiman hanyar gogewa ta hanyar iska mai iska ta UV da kuma yadda-229E ƙwayar cuta ce ta RNA, masu bincike sun yi hasashen raguwa iri ɗaya a cikin kamuwa da cuta bayan fallasa ga UV.

Koyaya, ba su tantance kai tsaye ba idan wannan raguwa a cikin kwafin hCoV-229E yayi daidai da raguwa iri ɗaya na kamuwa da cuta. Masu bincike sun yi gargadin cewa za a iya amfani da sakamakonmu kai tsaye don tantance ingancin tsabtace ƙwayoyin cuta marasa lulluɓi saboda yawanci sun fi jure wa UV fiye da ƙwayoyin cuta.

A cikin wannan binciken, bincike ya nuna cewa zaɓaɓɓun ƙirar ƙwayoyin cuta da muka zaɓa duk ƙwayoyin cuta ne da aka lulluɓe, waɗanda aka zaɓa don tantance duk wani bambance-bambancen da za a iya samu a cikin karɓar UV saboda tsayin ƙwayoyin cuta.

Rashin kunnawa B. pumilus spores, waɗanda suka shahara don mallakar babban matakin juriyar UV, an nuna su a cikin gwaje-gwajenmu. Masu bincike sun ce wannan na iya zama hujja ta farko da ke nuna cewa ƙwayoyin cuta da ba su lulluɓe ba za a iya kashe su ta hasken UV. An ba da shawarar yin amfani da B. pumilus spores a matsayin tsayawa don gwada rashin kunna rotavirus ɗan adam wanda ba a lulluɓe ta UV radiation.

https://www.tianhui-led.com/uv-led-diode.html  

A ina Zaku iya Siyan UV LED Daga?

Tare da cikakken aikin samarwa, daidaiton inganci da dogaro, da farashi mai araha, Tianhui Electronics   ya yi aiki a cikin UV LED   Kuma. UV   L ed masana'antun   zo a cikin UVA, UVB, da UVC raƙuman ruwa. Dangane da aikace-aikacen UV iri-iri, nau'ikan iri da yawa uv LED diode   suna samuwa, kamar UV LED   tarkon sauro, UV LED   kwalaben haifuwa, da abin hawa UV LED   iska purifiers.

A Yau UV LED   Ana amfani da shi don kawar da ƙwayoyin cuta ta iska da kuma tsarkakewar photocatalytic a cikin mota UV LED   iska purifiers.

Tare da fasahar haifuwa ta UVC LED mai yankan-baki, wacce ba mai guba ba ce kuma ba ta da mercury, ba tare da radiation ko wari ba, ƙimar haifuwar UV don lalata kofuna na UVC LED mai zafi na iya kaiwa sama da 99%.

Lokacin amfani da a UV LED   tarkon sauro, UV LEDs tare da matsakaicin fitarwa na gani na iya jawo hankalin sauro da kyau a kan wani yanki mafi girma. Suna kuma samar da CO2 ta hanyar daukar hoto tare da TiO2 mai rufi a gefen ciki na saman rufin.