Le THC ou tetrahydrocannabinol yana daya daga cikin manyan kwayoyin halitta masu aiki da cannabis. Wannan shi ne cannabinoid. An kiyasta cewa "haɗin gwiwa" ya ƙunshi 2 zuwa 20 MG na THC kuma lokacin da aka shaƙa 15-20% na THC a cikin hayaƙi ya shiga cikin jini.

Hakanan ana iya gano shi a cikin ruwa, fitsari, gashi, gashin jiki, da sauransu.

Sakamakon psychotropic na cannabis ya ci gaba har zuwa awanni 12, gwargwadon amfani da ƙwarewar batun.

Wurin gano THC saboda haka ya dogara da shekaru, mahimmanci da kuma yawan amfani.

Lura cewa sau ɗaya a cikin jiki, THC ya kasu kashi biyu, 11OH-THC da THC-COOH. Ana iya gano THC a cikin jini 'yan daƙiƙa kaɗan bayan inhalation na farko, matsakaicin taro na 11OH-THC ya isa cikin kusan mintuna 30 da ƙaddamar da THC-COOH cikin ƙasa da awanni 2.

Bayan amfani da cannabis, galibi ta hanyar inhalation, ana iya gano THC cikin jini nan da nan. Hakanan ana iya gano kasancewar sa a cikin fitsari da yau. Saboda haka ana amfani da THC azaman alama don gano amfani da cannabis, galibi a cikin yanayin likitanci (haɗarin hanya, tuhuma da amfani da miyagun ƙwayoyi, da sauransu) ko ƙwararre (likitanci na sana'a).

Ana amfani da gwaje -gwaje da yawa, dangane da mahallin:

• gwajin jini : yana ba da damar gano amfani da cannabis a tsakanin awanni 2 zuwa 10 bayan ɗaukar shi (ana neman THC, 11OH-THC da THC-COOH). An fi son wannan gwajin idan haɗarin hanya ya faru, misali. Ana amfani dashi don kimanta lokacin da ya wuce tsakanin amfani na ƙarshe da gwajin jini. Lokacin da maida hankali na THC ya fi na 11OH-THC, yana nuna amfani ta hanyar inhalation. Koma baya shaida ce ta cin abinci. Bayan kwanaki 3 zuwa 4, cannabinoids an cire su gaba ɗaya daga jini.
• yin fitsari (THC-COOH): yana ba da damar gano abubuwan amfani na lokaci-lokaci har zuwa kwanaki 2 zuwa 7 daga baya, har ma ya fi tsayi a yayin cin abinci na yau da kullun (kwanaki 7 zuwa 21, ko ma fiye da haka).
• tantance saliva (THC): wani lokacin hukumomin tsaro suna amfani da shi don duba masu ababen hawa. Yana iya gano yawan amfani daga 2 zuwa 10 hours. Koyaya, babu wata yarjejeniya akan amincin kimiyya (wanzuwar abubuwan ƙarya).

A cikin gashi (gabaɗaya idan aka sami gawarwar jiki), ana iya ganin amfani watanni da yawa ko ma shekaru bayan haka (gashi yana haɓaka matsakaicin cm / watan kuma alamun THC ba su ɓacewa).

Duk gwajin da aka yi (jini, fitsari ko yau), ya ƙunshi ganowa, godiya ga amfani da ƙwayoyin rigakafi na THC, kasancewar cannabinoid a cikin ruwan da aka gwada.

Dangane da nau'in gwajin da aka yi, za a ɗauki samfurin jini, fitsari (tarin fitsari) ko ruwan gishiri (daidai da goge auduga).

Ana gudanar da binciken ne ta kwararrun masana bincike.

A matsayin jagora, ana ɗaukar gwajin mara kyau idan:

• Matsakaicin fitsari <25 zuwa 50 ng/ml
• matakin jini <0,5 zuwa 5 ng/mL (gwajin jini kuma yana ƙididdige 11OH-THC da THC-COOH).
• maida hankali saliva <15 ng / ml (matsalolin fassarar tsakanin 0,5 da 14,99 ng / ml)