[Todos] Hoy 14hs - Vania Silverio - Thinking big, working small

[Coloquios DF-Exactas UBA]

*Jueves 10 de noviembre a las 14hs*
Coloquio del Departamento de Física - Exactas - UBA
*Aula Federman *- Primer Piso - Pabellón 1 - Ciudad Universitaria - CABA
*(Recuerden traer su propia taza para el café)*


*Thinking big, working small**Vania Silverio - Universidade de Lisboa,
Portugal*
In this talk, we will explore the ability to manipulate and detect magnetic
nanoparticles (MNP) at chip level, and  how it is revolutionizing
integrated miniaturized  laboratories. The choice of magnetoresistive (MR)
sensors  results  from  their  outstanding  achievements  in  many  areas,
 from  reading  magnetic  bits  for  information  storage  (magnetic  hard
 disk  recording)  to  nanoparticle  detection  in  biomedical  platforms
 or  neuronal synaptic activity measurements in neurosciences. Irrespective
of the application, the integration of MR sensors and MNP offers
quantitative and qualitative functionality to biosensing (e.g. comparing to
optical or chemical methods). Moreover, magnetic and electromagnetic
actuation are becoming extremely attractive components to precisely
transport, mix, manipulate, and concentrate (sort, separate, purify, and
detect  biomolecules)  MNP  for  binding  and  analysis. The  ability  to
 match  these  distinct  technologies  is  a  growing  and  not  much
 explored  route  to  provide  ultra-compact  heterogeneous  integration
 of  hybrid  systems  within  multifunctional  chips.  However,  the
 challenges  of  handling  liquids  and  MNP  over  a  chip  combine  with
 those  for  miniaturization  of  microelectronics.  When  these  are
 overcome,  the  result  is  an  integrated  microfluidic  system  with
 added  capabilities,  able  to  answer  to demands  in  biomedicine  and
drug delivery.
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