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    Takaitaccen Bayani

     

    Binciken da muka yi a baya ya nuna cewa shafa zare masu tacewa da man bishiyar shayi mai aiki a jiki (TTO) a gaba yana ƙara ingancin tattarawar sinadaran dumama, iska, da sanyaya iska (HVAC) na yau da kullun, kuma yana ba da damar rage ƙwayoyin cuta da fungi da aka kama a saman matattara cikin sauƙi da sauri. Babban manufar wannan binciken shine bincika ayyukan ƙwayoyin cuta na ƙwayoyin cuta guda biyu na halitta, wato man TTO da man eucalyptus (EUO), akan kwayar cutar mura da aka kama a saman matattara. An gano cewa duka man da aka gwada suna da ƙarfin kariya daga ƙwayoyin cuta lokacin da aka yi amfani da su azaman kayan shafa na zare, waɗanda ke iya hana ƙwayoyin cuta da aka kama a cikin mintuna 5-10 bayan tuntuɓar saman zare. An kuma yi nasarar ƙalubalantar aikin rigakafi na TTO a cikin siffar aerosol ta hanyar haɗa ƙwayoyin cuta masu rai a cikin iska tare da digo mai a cikin ɗakin aerosol mai juyawa. Sakamakon ya yi kyau sosai don ci gaba da haɓaka hanyoyin hana ƙwayoyin cuta da fasahohi don aikace-aikacen ingancin iska.

     

    Gabatarwa

    Saboda tasirin da ya yi ga lafiyar ɗan adam da dabbobi, iskar gas ta halittu na ƙara zama muhimmin batu na binciken bincike a duk faɗin duniya. Cire ƙwayoyin cuta daga iskar da ke kewaye da su tare da dakatar da su zai zama ɗaya daga cikin hanyoyin da suka fi inganci don rage haɗarin fallasa kai tsaye ga ƙwayoyin cuta ta iska ko ƙwayoyin da aka sake watsawa daga saman da aka tattara. Tunda tacewa ta kasance hanya mafi inganci ta cire ƙwayoyin cuta ta iska, ana amfani da ita galibi don tsarkake iska daga ƙwayoyin cuta da kanta, ko kuma tare da ƙarin hanyoyin aiki da na'urori na fasaha waɗanda ke haɓaka ingancin aikin tare da ƙaramin canji na hydrodynamics na tacewa. Irin waɗannan hanyoyin haɓaka tacewa sun haɗa da amfani da ions na unipolar (Huang et al. 2008), caji na lantarki na kafofin watsa labarai na tacewa (Raynor da Chae 2004), shafa zare da ruwa (Agranovski da Braddock 1998; Boskovic et al. 2007), da sauransu.

     

    Idan aka yi la'akari da gaskiyar cewa ƙwayoyin cuta da aka tattara suna nan a saman matattarar, ba za a iya yin watsi da wasu yiwuwar rabuwarsu da sake mayar da su ga mai ɗaukar iskar gas ba. Ƙwayoyin da aka sake mayar da su na iya kasancewa da rai suna haifar da manyan haɗari ga mazauna da muhalli. Ana iya magance wannan matsalar ta hanyar ƙara magungunan kashe ƙwayoyin cuta a cikin mai ɗaukar iskar gas ko kuma yin wasu hanyoyin hana aiki kai tsaye a saman matattarar, wanda hakan ke sa ƙwayoyin cuta su daina aiki idan akwai yiwuwar sake sake samar da iskar gas.

     

    Akwai wasu hanyoyin fasaha da ake da su don kashe ƙwayoyin cuta. Sun haɗa da rushewar ƙwayoyin cuta a saman titanium oxide wanda hasken ultraviolet ya haskaka (UV; Vohra et al. 2006; Grinshpun et al. 2007), rushewar zafi ta hanyar infrared (IR) ta hanyar radiation (Damit et al. 2011), amfani da sinadarai kai tsaye a cikin mai ɗaukar iska ko kuma a shafa a saman tacewa (Pyankov et al. 2008; Huang et al. 2010), da sauransu. Daga cikin nau'ikan magungunan kashe ƙwayoyin cuta daban-daban, wasu man na halitta suna da kyau saboda ƙarancin ko rashin guba, musamman a cikin nau'in da aka narkar (Carson et al. 2006). A cikin shekaru goma da suka gabata, an tantance nau'ikan mai mai mahimmanci daga tsire-tsire don tantance aikin ƙwayoyin cuta (Reichling et al. 2009).

     

    An nuna yiwuwar amfani da mai, kamar man itacen shayi (TTO) da man eucalyptus (EUO), a matsayin magungunan kashe ƙwayoyin cuta a cikin binciken da aka yi kwanan nan a cikin vitro game da maganin kashe ƙwayoyin cuta (Wilkinson da Cavanagh 2005; Carson et al. 2006; Salari et al. 2006; Hayley da Palombo 2009), maganin kashe ƙwayoyin cuta (Hammer et al. 2000; Oliva et al. 2003), da ayyukan kashe ƙwayoyin cuta (Schnitzler et al. 2001; Cermelli et al. 2008; Garozzo et al. 2011). Bugu da ƙari, an nuna cewa man mai mahimmanci gauraye ne daban-daban, tare da bambancin abubuwa da yawa, ya danganta da yanayin girma a gonakin (Kawakami et al. 1990; Moudachirou et al. 1999). Aikin maganin ƙwayoyin cuta na TTO an danganta shi ne da terpinen-4-ol (35–45%) da 1,8-cineole (1–6%); duk da haka, wasu abubuwa kamar a-terpineol, terpinolene, da a- da c-terpinene suma galibi suna nan kuma suna iya taimakawa wajen kashe ƙwayoyin cuta (Mayu et al. 2000). EUO daga nau'ikan Eucalyptus daban-daban ya ƙunshi 1,8-cineole, a-pinene, da a-terpineol a matsayin manyan sinadarai na gama gari (Jemâa et al. 2012). Ana wadatar da EUO mai darajar magunguna har zuwa kashi 70% na yawan 1,8-cineole.

     

    Kwanan nan, mun ba da shawarar wata fasaha da ta dogara da shafa matattarar fibrous ta TTO, kuma mun ba da rahoton sakamakon nazarin yiwuwa kan kashe ƙwayoyin cuta (Pyankov et al. 2008) da ƙwayoyin fungal (Huang et al. 2010). A cikin waɗannan nazarin, an yi amfani da TTO a matsayin duka biyun, yana ƙara ingancin tacewa da kuma maganin kashe ƙwayoyin cuta akan ƙwayoyin cuta da fungal da aka kama a saman matattarar. Idan aka yi la'akari da sha'awar da ake da ita a yanzu game da binciken da ya shafi mura, wannan binciken ci gaba ne na bincikenmu na baya tare da mai da hankali kan kimanta ayyukan ƙwayoyin cuta na mai mai mahimmanci (TTO da EUO) akan hana ƙwayoyin cuta na iska.

     

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    Lokacin Saƙo: Janairu-23-2021