ArticleScientific reports2018
Magnetoresistive biosensors with on-chip pulsed excitation and magnetic correlated double sampling.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
7 citing papers in PubMed.
- Towards bioelectric signal-enabled human healthcare monitoring: state-of-the-art, design strategies, challenge, and future.npj biomedical innovations · 2026Review
- Complementary Metal-Oxide-Semiconductor-Based Magnetic and Optical Sensors for Life Science Applications.Sensors (Basel, Switzerland) · 2024Review
- Sandwich Immunosensor Based on Particle Motion: How Do Reactant Concentrations and Reaction Pathways Determine the Time-Dependent Response of the Sensor?ACS sensors · 2023Article
- Real-time temperature correction for magnetoresistive biosensors integrated with temperature modulator.Biosensors & bioelectronics: X · 2023Article
- Highly stable integration of graphene Hall sensors on a microfluidic platform for magnetic sensing in whole blood.Microsystems & nanoengineering · 2023Article
- From saliva to SNP: non-invasive, point-of-care genotyping for precision medicine applications using recombinase polymerase amplification and giant magnetoresistive nanosensors.Lab on a chip · 2022Article
- National Cancer Institute Alliance for nanotechnology in cancer-Catalyzing research and translation toward novel cancer diagnostics and therapeutics.Wiley interdisciplinary reviews. Nanomedicine and nanobiotechnology · 2019Review
Corrections and comments
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Authors and funding
8 authors.
Funding
Abstract
Giant magnetoresistive (GMR) sensors have been shown to be among the most sensitive biosensors reported. While high-density and scalable sensor arrays are desirable for achieving multiplex detection, scalability remains challenging because of long data acquisition time using conventional readout methods. In this paper, we present a scalable magnetoresistive biosensor array with an on-chip magnetic field generator and a high-speed data acquisition method. The on-chip field generators enable magnetic correlated double sampling (MCDS) and global chopper stabilization to suppress 1/f noise and offset. A measurement with the proposed system takes only 20 ms, approximately 50× faster than conventional frequency domain analysis. A corresponding time domain temperature correction technique is also presented and shown to be able to remove temperature dependence from the measured signal without extra measurements or reference sensors. Measurements demonstrate detection of magnetic nanoparticles (MNPs) at a signal level as low as 6.92 ppm. The small form factor enables the proposed platform to be portable as well as having high sensitivity and rapid readout, desirable features for next generation diagnostic systems, especially in point-of-care (POC) settings.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.