text_combined: kaufmann jenny kackdjozxzmasseyacnz school engineering advanced technology phd confirmation seminar lab chip novel cmos circuit design biosensor applications using dielectrophoresis phd student ms siti noorjannah ibrahim supervisors drs rezaul hasan tom moir venue room 10 building 27 gate 4 oteha rohe date time 14 march friday 1100am1200pm abstract motivation research improve diagnostic instruments detecting biological particles dna proteins bacteria viruses recent scenario cells detection required bulky instrumentations lengthy procedures could effects cells viabilities less flexible situ measurements miniaturization instruments known labonachip suggested one enhancement possibilities biosensor design thus main objective research encapsulate diagnostic instruments single chip via novel design technique using cmos technology contributions research based 1 highly sensitive capacitive detectors 2 digital dielectophoresis dep controller sensing cells sizes less 1 mm recent studies cmos biosensor platform show significant gap monolithic sensor specifically identify bacteria base membrane capacitance differences thus capacitance sensing scheme high order sensitivity needed achieve goal methodology research modelling bacterias membrane capacitance designing capacitance voltage converter sensor frontend dep actuations controller designed platform used 013 mm cmrf8sf ibmpdk cmos technology wed 06 aug 2008 172725 1300 seminar announcement welcome