Nyob rau hauv txawv teb chaws, txawm hais tias kev siv yeeb tshuaj yog qhov txaus ntshai xws li kev qaug cawv, tseem muaj ob peb yam khoom siv tshuaj maj rau kev siv tshuaj maj. Txawm li cas los xij, ua tsaug rau kev tshawb fawb los ntawm University of Texas ntawm Dallas, qhov xwm txheej no tuaj yeem hloov pauv. Raws li kev coj noj coj ua ntawm Xib Fwb Shalini Prasad, cov kws tshawb fawb hauv tsev kawm ntawv tab tom tsim cov txheej txheem uas sib xyaw ua ke ib zaug sim thc biosensor thiab cov cuab yeej nyeem ntawv nqa tau yooj yim.
Lub biosensor muaj ob lub electrodes coated nrog cov tshuaj tiv thaiv uas khi tsuas yog tetrahydrocannabinol (THC). Tom qab siv ib tus neeg cov kua qaub rau hauv daim ntawv xeem, ntxig daim ntawv xeem rau hauv tus nyeem ntawv thiab siv ib qho hluav taws xob tshwj xeeb. Txij li thaum cov tshuaj tiv thaiv muaj qhov zoo sib txawv thaum khi rau THC, qhov tam sim no nce ntxiv raws li tus naj npawb ntawm cov tshuaj muaj nyob hauv cov qauv. Los ntawm kev ntsuas qhov nce, tus nyeem ntawv tuaj yeem suav cov qib THC hauv cov ntshav, uas yog ze rau THC qib hauv cov qaub ncaug.
Nws tau tshaj tawm tias cov txheej txheem xeem tuaj yeem ua tiav hauv tsib feeb thiab tuaj yeem ntsuas thc qib ntawm 100 pg ib ml mus rau 100 ng ib ml. Prasad tau hais tias "Qhov no yog thawj qhov kev ua qauv qhia ntawm tus qauv qauv uas tuaj yeem tshaj tawm cov ntsiab lus qis thiab siab ntawm tetrahydrocannabinol nyob rau hauv ib qho tsis muaj kev cuam tshuam, muaj kev nkag siab zoo thiab tshwj xeeb," Prasad tau hais.