Hoton banner: Hasken ultraviolet daga fitilar krypton chloride excimer fitila tana aiki da kwayoyin halitta masu motsi tsakanin jihohin makamashi daban-daban. (Madogararsa: Ƙungiyar Bincike ta Linden)
Wani sabon bincike daga Jami'ar Colorado Boulder ya gano cewa wasu tsawon tsawon hasken ultraviolet (UV) ba wai kawai suna da tasiri sosai wajen kashe kwayar cutar da ke haifar da COVID-19 ba, amma kuma sun fi aminci don amfani da su a wuraren jama'a.
Binciken, wanda aka buga a wannan watan a cikin mujallar Applied and Environmental Microbiology, shine farkon cikakken bincike game da tasirin tasirin hasken ultraviolet daban-daban akan SARS-CoV-2 da sauran ƙwayoyin cuta na numfashi, gami da wanda kawai ya fi aminci ga kwayoyin halitta baya buƙatar tsawon tsawon lamba. Kare
Marubutan sun kira waɗannan binciken da "mai canza wasa" don amfani da hasken UV wanda zai iya haifar da sababbin tsarin araha, aminci da inganci don rage yaduwar ƙwayoyin cuta a cikin cunkoson jama'a kamar filayen jirgin sama da wuraren wasan kwaikwayo.
"Kusan dukkanin cututtukan da muka yi nazari, wannan kwayar cutar tana daya daga cikin mafi saukin kisa da hasken ultraviolet," in ji babban marubuci Carl Linden, farfesa a injiniyan muhalli. “Yana buƙatar ƙananan allurai. Wannan ya nuna cewa fasahar UV na iya zama mafita mai kyau don kare wuraren jama'a."
Rana ce ke fitar da haskoki na ultraviolet, kuma yawancin nau'ikan suna da illa ga abubuwa masu rai da kuma ƙwayoyin cuta kamar ƙwayoyin cuta. Wannan haske na iya shanye shi da kwayoyin halittar kwayoyin halitta, yana daure ƙulli a cikinsa kuma ya hana shi haifuwa. Duk da haka, waɗannan tsawon magudanar ruwa masu cutarwa daga Rana ana tace su ta hanyar lebur ozone kafin su isa saman duniya.
Wasu samfuran gama gari, irin su fitilu masu kyalli, suna amfani da hasken UV ergonomic, amma suna da rufin ciki na farin phosphorus wanda ke kare su daga haskoki UV.
"Lokacin da muka cire murfin, za mu iya fitar da tsayin daka wanda zai iya cutar da fata da idanunmu, amma kuma suna iya kashe kwayoyin cuta," in ji Linden.
Asibitoci sun riga sun yi amfani da fasahar UV don lalata saman a wuraren da ba kowa da kuma amfani da mutummutumi don amfani da hasken UV tsakanin dakunan aiki da dakunan marasa lafiya.
Yawancin na'urori a kasuwa a yau suna iya amfani da hasken UV don tsaftace komai daga wayar salula zuwa kwalabe na ruwa. Amma FDA da EPA har yanzu suna haɓaka ka'idojin aminci. Linden ya yi gargaɗi game da amfani da duk wani kayan aiki na sirri ko na “haɓaka” da ke fallasa mutane ga hasken ultraviolet.
Ya ce sabbin binciken na musamman ne saboda suna wakiltar tsaka-tsaki tsakanin hasken ultraviolet, wanda ba shi da lafiya ga mutane kuma yana cutar da ƙwayoyin cuta, musamman kwayar cutar da ke haifar da COVID-19.
A cikin wannan binciken, Linden da tawagarsa sun kwatanta tsayin daka daban-daban na hasken UV ta amfani da daidaitattun hanyoyin da aka haɓaka a cikin masana'antar UV.
Linden ya ce "Muna tunanin mu taru mu yi bayani karara game da adadin fallasa UV da ake bukata don kashe SARS-CoV-2," in ji Linden. "Muna son tabbatar da cewa idan kun yi amfani da hasken UV don yakar cutar, za ku yi nasara". Sashi don kare lafiyar ɗan adam da fatar ɗan adam da kashe waɗannan ƙwayoyin cuta. ”
Damar yin irin wannan aikin ba wuya ba ne kamar yadda aiki tare da SARS-CoV-2 yana buƙatar tsauraran matakan aminci. Don haka Linden da Ben Ma, abokin karatun digiri na biyu a rukunin Linden, sun haɗu tare da masanin ilimin halittu Charles Gerba na Jami'ar Arizona a cikin dakin gwaje-gwaje da aka ba da lasisi don nazarin ƙwayar cuta da bambance-bambancen ta.
Masu binciken sun gano cewa yayin da ƙwayoyin cuta gabaɗaya suna da matukar damuwa ga hasken ultraviolet, wani tsayin raƙuman ultraviolet mai nisa (nanometer 222) yana da tasiri musamman. An samar da wannan tsawon tsayin fitilun krypton chloride excimer fitilu, waɗanda ke aiki da su ta hanyar ƙwayoyin cuta waɗanda ke motsawa tsakanin jihohin makamashi daban-daban kuma suna da ƙarfi sosai. Don haka, yana da ikon haifar da lahani ga ƙwayoyin cuta da ƙwayoyin nucleic fiye da sauran na'urorin UV-C kuma yana toshe shi da saman fatar mutum da idanunsa, ma'ana ba shi da wata illa ga lafiya. yana kashe kwayar cutar.
Hasken UV na tsayi daban-daban (wanda aka auna a nan a cikin nanometers) na iya shiga nau'ikan fata daban-daban. Da zurfin zurfin waɗannan raƙuman raƙuman raƙuman raƙuman ruwa suna shiga cikin fata, yawancin lalacewar da suke haifarwa. (Madogararsa ta hoto: "Far UV: Halin Ilimi na Yanzu" wanda Ƙungiyar Radiation ta Duniya ta Ultraviolet ta buga a cikin 2021)
Tun daga farkon karni na 20, an yi amfani da nau'i-nau'i daban-daban na UV radiation don lalata ruwa, iska, da saman. Tun a shekarun 1940, an yi amfani da ita don rage yaduwar cutar tarin fuka a asibitoci da ajujuwa ta hanyar kunna rufin rufi don lalata iskar da ke yawo a cikin dakin. A yau ana amfani da shi ba kawai a asibitoci ba, har ma a wasu bayan gida na jama'a da kuma a cikin jirgin sama lokacin da babu kowa.
A cikin wata farar takarda da International Ultraviolet Society ta buga kwanan nan, Far-UV Radiation: Ilimin halin yanzu (tare da sabon bincike), Linden da mawallafa sun yi jayayya cewa ana iya amfani da wannan mafi aminci mai nisa-UV tare da ingantacciyar iska, sanyewa. abin rufe fuska da alluran rigakafi sune mahimman matakan da za a rage illar cututtuka na yanzu da na gaba.
Linden Ka yi tunanin tsarin za a iya kunnawa da kashewa a cikin rufaffiyar wurare don tsaftace iska da saman ƙasa akai-akai, ko ƙirƙirar shinge marar ganuwa tsakanin malamai da ɗalibai, baƙi da ma'aikatan kulawa, da mutane a wuraren da ba za a iya kiyaye nisantar da jama'a ba.
Kwayar cutar UV na iya ma yin adawa da ingantattun tasirin ingantacciyar iskar cikin gida, saboda yana iya ba da kariya iri ɗaya kamar ƙara yawan canjin iska a cikin awa ɗaya a cikin ɗaki. Shigar da fitilun UV shima ba shi da tsada sosai fiye da haɓaka duk tsarin HVAC ɗin ku.
“Akwai damar a nan don adana kuɗi da kuzari yayin da ake kare lafiyar jama'a. Yana da ban sha'awa sosai, "in ji Linden.
Sauran marubutan kan wannan ɗaba'ar sun haɗa da: Ben Ma, Jami'ar Colorado, Boulder; Patricia Gandy da Charles Gerba, Jami'ar Arizona; da Mark Sobsey, Jami'ar North Carolina, Chapel Hill).
Malamai da Ma'aikata Taskar Imel Taskar Daliban Imel Taskar Tsofaffin Daliban Email Taskar Sabbin Ma'aikatan Taskar Imel Na Sakandare Email Taskar Al'ummar Taskar Imel Takardun COVID-19
Jami'ar Colorado Boulder © Sirri na Jami'ar Colorado Regents • Halaye da Alamomin kasuwanci • Taswirar Campus
Lokacin aikawa: Nuwamba-03-2023