TAILIEUCHUNG - báo cáo khoa học: " Absorption and translocation to the aerial part of magnetic carbon-coated nanoparticles through the root of different crop plants"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Absorption and translocation to the aerial part of magnetic carbon-coated nanoparticles through the root of different crop plants | Cifuentes et al. Journal of Nanobiotechnology 2010 8 26 http content 8 1 26 JOURNAL OF NANOBIOTECHNOLOGY SHORT COMMUNICATION Open Access Absorption and translocation to the aerial part of magnetic carbon-coated nanoparticles through the root of different crop plants 71 m ifi lontoc1 I I Ift I ici orr If A 2 3 4 Icic ic l l cIq I2 Pl iQntQ4 K isỉmi linTỉ2 3 l l Pimridri Ih rr 3 4 zuny Cifuentes Ldurd Custdrdoy Jesus M de ld Fuente Cldrd Mdiquilld M Ricdrdo lUdlld Diego Rubidles5 Alejdndro Perez-de-Luque1 Abstract The development of ndnodevices for dgriculture dnd pldnt resedrch will dllow several new dpplicdtions ranging from tredtments with dgrochemicdls to delivery of nucleic dcids for genetic transformation. But d long wdy for resedrch is still in front of us until such ndnodevices could be widely used. Their behdviour inside the pldnts is not yet well known dnd the putdtive toxic effects for both the pldnts directly exposed dnd or the dnimdls dnd humdns if the ndnodevices redch the food chdin remdin uncertdin. In this work we show thdt mdgnetic cdrbon-codted ndnopdrticles forming d biocompdtible mdgnetic fluid bioferrofluid cdn edsily penetrate through the root in four different crop pldnts ped sunflower tomdto dnd whedt . They redch the vdsculdr cylinder move using the transpiration stredm in the xylem vessels dnd spredd through the deridl pdrt of the pldnts in less thdn 24 hours. Accumuldtion of ndnopdrticles wds detected in whedt ledf trichomes suggesting d wdy for excretion detoxificdtion. This kind of studies is of gredt interest in order to unveil the movement dnd dccumuldtion of ndnopdrticles in pldnt tissues for dssessing further dpplicdtions in the field or ldbordtory. Background Several areas such as medicine materials science and electronics have begun to benefit and apply nanotechnology for their research since some decades ago. However only during the recent years researchers from other disciplines start to see the .

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