LUsosayensi waseNingizimu Afrika uProfesa Tebello Nyokong uzuze umklomelo we-L'Oréal-UNESCO Womklomelo Wezabesifazane Kwezesayensi ngo-2009 ngocwaningo lwakhe lokuphayona olwenzelwe ukwelashwa kwe-photodynamic olujwayelene ngqo nemvelo yase-Afrika. UnguSolwazi weMedical Chemistry neNanotechnology eRhodes University, futhi ungusosayensi wesithathu waseNingizimu Afrika ukuthola le ndondo.
I-Photodynamic therapy (PDT) isebenzisa odayi abathuthukiswe ngokukhethekile ukuqondisa ukukhanya okubulalayo kumaseli womdlavuza, futhi kuyacwaningwa emhlabeni jikelele njengenye indlela yokwelapha ngamakhemikhali. I-tincture ijojowe egazini noma ifakwe ngqo esikhunjeni. I-PDT ihlanganiswe nama-nanoparticles amunca aphinde akhiphe ukukhanya ukukhomba amangqamuzana omdlavuza ngokukhanya okubomvu, bese uwabulala ngokwelashwa okusebenzayo.
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