A cikin fina-finai da ayyukan adabi da yawa, dakunan gwaje-gwaje na binciken laifuka suna bayyana a matsayin wani abu na musamman da mahimmanci, musamman ma labarin gwajin gano DNA sau da yawa yakan zama mabuɗin samun alamu da warware shari'o'i.Duk da haka, idan sahihancin sakamakon gwajin da aka gabatar yana da shakku, ba zai zama shaida ta shari'a ba, balle a bayyana gaskiya a ɓoye. Akwai wani abu na musamman na zahiri da sinadarai da dakunan gwaje-gwajen bincike dole ne su yi taka tsantsan, kuma shine hana samfuran DNA da za a gwada su gurɓata a cikin dakin gwaje-gwaje. A halin yanzu, akwai dalilai daban-daban na gurɓatar DNA. Daga cikinsu, yuwuwar gurɓatar da ke tsakanin ƙwayoyin halitta shine mafi girma.

Kamar sauran dakunan gwaje-gwaje, kayan aiki da kayan aiki da ake amfani da su a dakunan gwaje-gwaje na bincike suna gurɓata a lokuta da yawa. Musamman ma, kamuwa da cuta tsakanin samfuran DNA bisa ga halayen PCR, wasu kayan gwaji da shaidu na zahiri, da kuma masu gwajin kansu sune mafi wahalar ganowa. Waɗannan ragowar gurɓatattun abubuwa sun haɗa da ƙwayoyin halitta, jini, kyallen takarda, da kuma gwajin abubuwan da ake amfani da su, sabulun wanke-wanke da sauran ƙazanta.

Ya kamata a jaddada cewa kayan gilashin da za a iya sake amfani da su a dakunan gwaje-gwaje na bincike kamar kwantena samfurin, kwalaben reagent, bututun gwaji, pipettes, kwalaben petri, da sauransu. Rashin aiwatar da su yadda ya kamata, rashin bin ka'ida, da rashin bin ka'ida a ayyukan wanke-wanke suna ɗaya daga cikin abubuwan da ke haifar da kuskuren ganowa da kuma kammala bincike.

Wannan nau'in gurɓatar gilashin yana barazana ga sakamakon gwajin, to menene mabuɗin magance shi?

Da farko dai, idan aka gano wani abu da ake zargin yana da alaƙa da gurɓatar DNA, ya kamata a sake duba sakamakon gwajin a kan lokaci domin a gyara kuskuren. Wannan shi ne babban abin da ya fi muhimmanci.

Sannan, gudanar da binciken ingancin kayayyakin gwaji, gami da kwantena na gilashi, kayan maye, da sauransu, don ƙara tabbatar da tushen gurɓataccen abu.

A kan wannan dalili, a inganta hanyoyin tsaftace gilashin don gyara kurakurai, domin a guji sake faruwa irin waɗannan kurakurai.

Abu na uku, ta hanyar ƙarfafa matakan yaƙi da gurɓatawa da kuma kawar da gurɓatattun abubuwa na dakin gwaje-gwaje don samar da tsarin gudanarwa mai tsari ne kawai zai iya inganta tsarin tsaftacewar ya zama mai ma'ana da tasiri.

A gaskiya ma, dakin gwaje-gwajen bincike mai ƙwarewa ya kamata ya sami yanki na musamman kuma mai zaman kansa don gwajin DNA don tabbatar da cewa an rage gurɓatawa a cikin hanyoyin gwaji daban-daban. Misali, karɓar shari'o'i da wurin adana samfura, yankin cire samfurin DNA, yankin ƙara girman DNA, yankin gano DNA, yankin bincike na farko, yankin nazarin sakamako, yankin shiri, yankin ƙara girman DNA, yankin ma'ajiyar gano abubuwa, da sauransu. Daga cikinsu, tsaftace kayan gilashi a yankin shiri zai taimaka sosai wajen ƙara yiwuwar faɗuwa sakamakon gwajin.

Ya kamata a lura cewa dakunan gwaje-gwaje na ƙwararru da yawa, gami da dakunan gwaje-gwaje na bincike, har yanzu suna amfani da hanyoyin tsaftacewa da hannu marasa inganci don magance matsalar gurɓataccen gurɓataccen abu a cikin kayan gilashi. Amma wannan hanyar ba ta inganta haɗarin gurɓataccen abu a cikin ɗan adam ba.

Bugu da ƙari, rashin amfanin tsaftace gilashin da hannu ya wuce wannan.

MTsaftace gilashin kowace shekara ba wai kawai zai gaza tsaftace gilashin dakin gwaje-gwaje sosai ba kuma zai shafi ƙarshen gwajin DNA da gano su, zai kuma kawo jerin sabani kamar ɓatar da albarkatu, sarkakiyar ayyukan tsaftacewa, da haɗarin aminci ga ma'aikatan dakin gwaje-gwaje. A wannan lokacin, amfani da injin wanki na gilashi ta atomatikamfani da shi a dakunan gwaje-gwaje na bincike na duniya zai taimaka wajen inganta wannan yanayi.

Injin wanki na gilashi na dakin gwaje-gwajezai iya tsaftace nau'ikan gilashin dakin gwaje-gwaje iri-iri daidai cikin aminci, tsari, da wayo don tabbatar da cewa sun bi ƙa'idodin GMP da FDA masu dacewa. Idan aka kwatanta da hanyar tsaftacewa da hannu, Injin Wanki na Dakin Gwajizai iya bin diddigin tsarin tsaftacewa a duk tsawon aikin, wanda hakan ke taimakawa wajen samun bayanan bayanai masu mahimmanci a fannoni daban-daban. Waɗannan bayanan suna da matuƙar muhimmanci don kawar da yanayin da ya rage, gami da gurɓatar da gwajin DNA ke fuskanta. Musamman idan akwai bambance-bambance da shakku game da sakamakon gwajin!

Tare da ci gaba da haɓaka fasahohin da suka dace, dakunan gwaje-gwaje na binciken laifuka za su ɗauki ƙarin nauyi a cikin tsarin kula da shari'o'i. Ta wannan hanyar, buƙatun duk wani sakamakon gwajin dakin gwaje-gwaje da daidaito da daidaito za su ci gaba da ƙaruwa a zahiri. Hanyoyi ciki har da gwajin DNA za su iya tabbatar da sakamako mai tsabta kawai da kuma samun sakamako mai kyau da shaida idan sun yi nasarar kawar da gurɓataccen abu. Wannan wani abu ne da kowane dakin gwaje-gwaje na binciken laifuka ya kamata ya tuna.