High sensitivity differential giant magnetoresistance (GMR) based sensor for non-contacting DC/AC current measurement

C Mușuroi, M Oproiu, M Volmer, I Firastrau - Sensors, 2020 - mdpi.com
This paper presents the design and implementation of a high sensitivity giant
magnetoresistance (GMR) based current sensor with a broad range of applications. The …

Low field optimization of a non-contacting high-sensitivity GMR-based DC/AC current sensor

C Mușuroi, M Oproiu, M Volmer, J Neamtu, M Avram… - Sensors, 2021 - mdpi.com
Many applications require galvanic isolation between the circuit where the current is flowing
and the measurement device. While for AC, the current transformer is the method of choice …

Optimizing the sensitivity of a GMR sensor for superparamagnetic nanoparticles detection: Micromagnetic simulation

RD Crespo, L Elbaile, J Carrizo, JA García - Journal of Magnetism and …, 2018 - Elsevier
The magnetoresistance (MR) of different sensor setups of bilayer arrays by micromagnetic
simulations has been studied in order to detect 20 nm diameter Fe 3 O 4 superparamagnetic …

On detection of magnetic nanoparticles using a commercial GMR sensor

M Volmer, C Mușuroi, M Oproiu… - … Machines and Power …, 2021 - ieeexplore.ieee.org
This paper describes the research for implementing a commercial giant magnetoresistive
(GMR) sensor for detection of magnetic nanoparticles with potential applications in lab on a …

Comprehensive Introspection of Magnetoresistive sensors applied in biomedical diagnostics.

SV Gayathri, D Subbulekshmi - Current Medical Imaging, 2023 - europepmc.org
Over the recent years, magnetoresistive (MR) sensors in biosensing technologies have
played a pivotal role in detecting and quantifying biomarkers. The article highly focuses on …

[PDF][PDF] Bipolar magnetophoretic system for the manipulation of magnetic particles

A Avram, C Tibeică, C Mărculescu, M Volmer… - UPB Sci …, 2015 - scientificbulletin.upb.ro
The paper presents the fabrication of an active bipolar magnetophoretic system, composed
of parallel conductive wires embedded in the sidewalls of a microfluidic channel. Basic …

[PDF][PDF] Optimizing a Non-contacting High-sensitivity GMR-based Current Sensor Design for Low Field Applications

C Mușuroi, M Volmer, M Oproiu - Sensors and Electronic Instrumentation …, 2020 - vb.vgtu.lt
This paper presents a practical method of improving the sensitivity and accuracy of the
response of a GMR-based current sensor. The novelty of our approach consists in utilizing a …

[PDF][PDF] On designing a positioning and detection system for a lab-on-a-chip device

M Volmer, M Avram - Romanian Journal of Information Science and …, 2010 - romjist.ro
The manipulation and detection of magnetic carriers used for biosensing represent key
features in a lab-on-a-chip (LOC) device. In this contribution we present some results …

[PDF][PDF] Avram Marioara

N Romanian - imt.ro
1. RELANSIN/“Tehnologie de realizare a tranzistorului bipolar cu poarta izolata integrat pe
carbura de siliciu pentru aplicatii speciale de putere si temperatura” 2004-2006, 33000 lei 2 …