Challenges and trends in magnetic sensor integration with microfluidics for biomedical applications
Magnetoresistive (MR) sensors have been successfully applied in many technologies, in
particular readout electronics and smart systems for multiple signal addressing and readout. …
particular readout electronics and smart systems for multiple signal addressing and readout. …
Linearization strategies for high sensitivity magnetoresistive sensors
Ultrasensitive magnetic field sensors envisaged for applications on biomedical imaging
require the detection of low-intensity and low-frequency signals. Therefore linear magnetic …
require the detection of low-intensity and low-frequency signals. Therefore linear magnetic …
[HTML][HTML] Hybrid integration of magnetoresistive sensors with MEMS as a strategy to detect ultra-low magnetic fields
… Joćo Valadeiro would like to thank Diana C. Leitao for her … microfabricated the MEMS and
Joćo Valadeiro, Rita Macedo and … Joćo Valadeiro wrote the paper with contributions from all …
Joćo Valadeiro, Rita Macedo and … Joćo Valadeiro wrote the paper with contributions from all …
[PDF][PDF] In vivo magnetic recording of neuronal activity
Neuronal activity generates ionic flows and thereby both magnetic fields and electric potential
differences, ie, voltages. Voltage measurements are widely used but suffer from isolating …
differences, ie, voltages. Voltage measurements are widely used but suffer from isolating …
Strategies for pTesla field detection using magnetoresistive sensors with a soft pinned sensing layer
JP Valadeiro, J Amaral, DC Leitao… - IEEE transactions on …, 2015 - ieeexplore.ieee.org
The detection of low-intensity and low-frequency signals requires magnetic sensors with
enhanced sensitivity, low noise levels, and improved field detection at low operating frequencies…
enhanced sensitivity, low noise levels, and improved field detection at low operating frequencies…
Synchronous declines of wintering waders and high-tide roost area in a temperate estuary: Results of a 10-year monitoring programme
. Migratory wader populations are declining across all major flyways, mostly due to habitat
loss and human disturbance. Portuguese wetlands act as key wintering and stop-over sites for …
loss and human disturbance. Portuguese wetlands act as key wintering and stop-over sites for …
Improved efficiency of tapered magnetic flux concentrators with double-layer architecture
Being able to increase the sensitivity of magnetoresistive sensors, by orders of magnitude,
provides a route toward challenging detection levels, and opens the way for new applications. …
provides a route toward challenging detection levels, and opens the way for new applications. …
Flexible magnetoresistive sensors designed for conformal integration
…, E Paz, M Martins, J Valadeiro… - IEEE Transactions …, 2016 - ieeexplore.ieee.org
… J. Valadeiro acknowledges FCT for scholarship grant PD/BD/113956/2015 within the …
Valadeiro et al., “Bending effect on magnetoresistive silicon probes,” IEEE Trans. Magn., vol…
Valadeiro et al., “Bending effect on magnetoresistive silicon probes,” IEEE Trans. Magn., vol…
Microneedles with integrated magnetoresistive sensors: A precision tool in biomedical instrumentation
This work describes how needle shape silicon probes with integrated magnetoresistive
sensing elements can be used in neurosciences. The fabricated probes allow simultaneous …
sensing elements can be used in neurosciences. The fabricated probes allow simultaneous …
Bending effect on magnetoresistive silicon probes
J Valadeiro, J Amaral, DC Leitao… - IEEE Transactions …, 2015 - ieeexplore.ieee.org
In vivo experiments to detect the neuronal magnetic field require high-sensitivity magnetoresistive
sensors incorporated in micromachined silicon probes that do not damage the organic …
sensors incorporated in micromachined silicon probes that do not damage the organic …