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Personal profile

Research interests

Dr Estrela’s research focuses on the development of label-free electrical biosensors and chemical sensors for a wide range of applications such as medical diagnostics and environmental monitoring.

Dr Estrela research interests include

  • label-free electrical detection of biomolecular interactions
  • biologically sensitive field-effect devices
  • detection of DNA, proteins, bacteria, cells, ions and small molecules
  • electrochemical impedance spectroscopy of biological systems
  • use of solid state devices in aqueous environments
  • surface biofunctionalization
  • electronic addressing of microarrays
  • nanobiosensors
  • microfluidics

Dr Estrela’s work has a strong multidisciplinary nature and he has collaborations in place with electrical engineers, physicists, chemists, molecular biologists, chemical engineers, pharmacologists, clinicians and industry.

Willing to supervise PhD


Education/Academic qualification

Doctor of Philosophy, University of Amsterdam

Master of Physics, University of Lisbon


  • TK Electrical engineering. Electronics Nuclear engineering
  • Biosensors
  • QD Chemistry
  • Electrochemical sensors
  • Biosensors
  • Biosensing Technologies
  • Bioengineering
  • Electrochemistry
  • Sensors
  • Nanobiosensors
  • Bioelectronics

Fingerprint Fingerprint is based on mining the text of the person's scientific documents to create an index of weighted terms, which defines the key subjects of each individual researcher.

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Electrochemical impedance spectroscopy Chemical Compounds

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Projects 2009 2020


Estrela, P.


Project: Research council

public health
early warning system
health status
infectious disease

Evaluation of Next Generation Receptor Technologies in OTFT Biosensors

Estrela, P.


Project: Central government, health and local authorities

Biosensing Techniques
Primary Health Care
Point-of-Care Systems
Emergency Medical Services

Research Output 1994 2019

A PNA-based Lab-on-PCB diagnostic platform for rapid and high sensitivity DNA quantification

Jolly, P., Rainbow, J., Regoutz, A., Estrela, P. & Moschou, D., 1 Jan 2019, In : Biosensors and Bioelectronics. 123, p. 244-250 7 p.

Research output: Contribution to journalArticle

Peptide Nucleic Acids
Polychlorinated Biphenyls
Polychlorinated biphenyls
Biosensing Techniques
1 Citation (Scopus)
Glutamate Dehydrogenase
Biosensing Techniques
Plasmodium falciparum
Field effect transistors
1 Citation (Scopus)

Electrochemical Aptasensor using Optimized Surface Chemistry for the Detection of Mycobacterium tuberculosis Secreted Protein MPT64 in Human Serum

Sypabekova, M., Jolly, P., Estrela, P. & Kanayeva, D., 1 Jan 2019, In : Biosensors and Bioelectronics. 123, p. 141-151 11 p.

Research output: Contribution to journalArticle

Surface chemistry
Artificial Receptors
1 Citation (Scopus)

Extracellular Electrophysiology in the Prostate Cancer Cell Model PC-3

Cabello, M., Ge, H., Aracil, C., Moschou, D., Estrela, P., Quero, J. M., Pascu, S. & Rocha, P., 1 Jan 2019, In : Sensors. 19, 1, 11 p., 139.

Research output: Contribution to journalArticle

Open Access

Gold interdigitated triple-microelectrodes for label-free prognosticative aptasensing of prostate cancer biomarker in serum

Ibau, C., Md Arshad, K., Gopinath, S., Nuzaihan, M., Fathil, M. & Estrela, P., 1 Jul 2019, In : Biosensors and Bioelectronics. 136, p. 118-127 10 p.

Research output: Contribution to journalArticle


A Study of Multichannel Open Circuit Potentiometry in Biosensor Applications

Author: Wong, L. C. C., 20 Jun 2018

Supervisor: Estrela, P. (Supervisor)

Student thesis: Doctoral ThesisPhD


A study on the optimisation of electrochemical impedance spectroscopy biosensors

Author: Formisano, N., 24 Feb 2016

Supervisor: Estrela, P. (Supervisor) & Taylor, J. (Supervisor)

Student thesis: Doctoral ThesisPhD


Biosensors for drug discovery applications

Author: Bhalla, N., 6 Jan 2016

Supervisor: Estrela, P. (Supervisor), Di Lorenzo, M. (Supervisor) & Pula, G. (Supervisor)

Student thesis: Doctoral ThesisPhD


Electrochemical detection of cancer biomarkers

Author: Zhurauski, P., 13 Dec 2017

Supervisor: Estrela, P. (Supervisor)

Student thesis: Doctoral ThesisMPhil


Investigations into New Functionalised Thiosemicarbazones and Related Carbon Nanohybrids for the Imaging of Prostate Cancer

Author: Cortezon Tamarit, F., 1 Mar 2017

Supervisor: Pascu, S. (Supervisor), Estrela, P. (Supervisor), Tyrrell, R. (Supervisor) & Frost, C. (Supervisor)

Student thesis: Doctoral ThesisPhD