Biosensing using magnetic particle detection techniques

YT Chen, AG Kolhatkar, O Zenasni, S Xu, TR Lee - Sensors, 2017 - mdpi.com
Magnetic particles are widely used as signal labels in a variety of biological sensing
applications, such as molecular detection and related strategies that rely on ligand-receptor …

Cavity-enhanced room-temperature magnetometry using absorption by nitrogen-vacancy centers in diamond

K Jensen, N Leefer, A Jarmola, Y Dumeige, VM Acosta… - Physical review …, 2014 - APS
We demonstrate a cavity-enhanced room-temperature magnetic field sensor based on
nitrogen-vacancy centers in diamond. Magnetic resonance is detected using absorption of …

In situ triaxial magnetic field compensation for the spin-exchange-relaxation-free atomic magnetometer

J Fang, J Qin - Review of Scientific Instruments, 2012 - pubs.aip.org
The spin-exchange-relaxation-free (SERF) atomic magnetometer is an ultra-high sensitivity
magnetometer, but it must be operated in a magnetic field with strength less than about 10 …

Scalar Magnetometry Below 100 fT/Hz1/2 in a Microfabricated Cell

V Gerginov, M Pomponio, S Knappe - IEEE sensors journal, 2020 - ieeexplore.ieee.org
Zero-field optically-pumped magnetometers are a room-temperature alternative to
traditionally used superconducting sensors detecting extremely weak magnetic fields. They …

Single-beam three-axis optically pumped magnetometers with sub-100 femtotesla sensitivity

W **ao, Y Wu, X Zhang, Y Feng, C Sun… - Applied Physics …, 2021 - iopscience.iop.org
We demonstrate a single-beam three-axis parametric-resonance magnetometer operated in
near-zero fields. By reflecting the incident laser beam at 90 in the vapor cell and applying …

Zero‐to ultralow‐field NMR

JW Blanchard, D Budker - Emagres, 2007 - Wiley Online Library
This article presents the basic principles and methodology used in modern implementations
of zero‐to ultralow‐field NMR (ZULF NMR), with emphasis on the case where spin evolution …

Nondestructive in-line sub-picomolar detection of magnetic nanoparticles in flowing complex fluids

L Bougas, LD Langenegger, CA Mora, M Zeltner… - Scientific reports, 2018 - nature.com
Over the last decades, the use of magnetic nanoparticles in research and commercial
applications has increased dramatically. However, direct detection of trace quantities …

Detection of magnetic tracers with Mx atomic magnetometer for application to blood velocimetry

A Soheilian, MM Tehranchi, M Ranjbaran - Scientific Reports, 2021 - nature.com
In the new generation of blood velocimeter systems, considerable attention has been paid to
atomic magnetometers due to their high resolution and high sensitivity for detection of …

Ultralow field NMR spectrometer with an atomic magnetometer near room temperature

G Liu, X Li, X Sun, J Feng, C Ye, X Zhou - Journal of Magnetic Resonance, 2013 - Elsevier
We present a Cs atomic magnetometer with a sensitivity of 150 fT/Hz 1/2 operating near
room temperature. The nuclear magnetic resonance (NMR) signal of 125 μL tap water was …

In situ triaxial magnetic field compensation for the spin-exchange-relaxation-free optically pumped magnetometer

Y Niu, C Ye - IEEE Sensors Journal, 2023 - ieeexplore.ieee.org
The most efficient way of improving the sensitivity of an optically pumped magnetometer
(OPM) is to maximize the spin-polarization lifetime, which requires the miniaturization of the …