Chu, A., Schlecker, B., Handwerker, J., Künstner, S., Ortmanns, M.,
Lips, K., and Anders, J.: VCO-based ESR-on-a-chip as a tool for low-cost,
high-sensitivity food quality control, in: 2017 IEEE Biomedical Circuits and
Systems Conference (BioCAS), 19–21 October 2017 , Torino, Italy, 1–4,
https://doi.org/10.1109/BIOCAS.2017.8325172, 2017.
Chu, A., Schlecker, B., Lips, K., Ortmanns, M., and Anders, J.: An 8-channel
13 GHz ESR-on-a-Chip injection-locked VCO-array achieving 200
µM-concentration sensitivity, in: 2018 IEEE International Solid-State Circuits Conference (ISSCC), 11–15 February 2018, San Francisco, CA, USA, 354–356, https://doi.org/10.1109/ISSCC.2018.8310330, 2018.
Chu, A., Schlecker, B., Kern, M., Goodsell, J. L., Angerhofer, A., Lips, K., and Anders, J.: On the modeling of amplitude-sensitive ESR detection using VCO-based ESR-on-a-chip detectors, Magn. Reson. Discuss. [preprint], https://doi.org/10.5194/mr-2021-42, in review, 2021.
Eaton, G. R. and Eaton, S. S.: Rapid-Scan Electron Paramagnetic Resonance,
in: eMagRes, edited by: Harris, R. K. and Wasylishen, R., John Wiley &
Sons, Ltd, Chichester, UK, 1529–1542,
https://doi.org/10.1002/9780470034590.emrstm1522, 2016.
Eaton, G. R., Eaton, S. S., Barr, D. P., and Weber, R. T.: Quantitative EPR,
Springer Vienna, Vienna, Austria, https://doi.org/10.1007/978-3-211-92948-3,
2010.
Goldsborough, J. P., Mandel, M., and Pake, G. E.: Influence of Exchange
Interaction on Paramagnetic Relaxation Times, Phys. Rev. Lett., 4, 13–15,
https://doi.org/10.1103/PhysRevLett.4.13, 1960.
Gualco, G., Anders, J., Sienkiewicz, A., Alberti, S., Forró, L., and
Boero, G.: Cryogenic single-chip electron spin resonance detector, J. Magn. Reson., 247, 96–103,
https://doi.org/10.1016/j.jmr.2014.08.013, 2014.
Handwerker, J., Schlecker, B., Wachter, U., Radermacher, P., Ortmanns, M.,
and Anders, J.: A 14 GHz battery-operated point-of-care ESR spectrometer
based on a 0.13
µm CMOS ASIC, in: 2016 IEEE International Solid-State Circuits Conference (ISSCC), 31 January–4 February 2016, San Francisco, CA, USA, 476–477, https://doi.org/10.1109/ISSCC.2016.7418114, 2016.
Hyde, J. S., Strangeway, R. A., Camenisch, T. G., Ratke, J. J., and
Froncisz, W.: W-band frequency-swept EPR, J. Magn. Reson.,
205, 93–101, https://doi.org/10.1016/j.jmr.2010.04.005, 2010.
Joshi, J. P., Eaton, G. R., and Eaton, S. S.: Impact of resonator on
direct-detected rapid-scan EPR at 9.8 GHz, Appl. Magn. Reson., 28, 239–249,
https://doi.org/10.1007/BF03166759, 2005a.
Joshi, J. P., Ballard, J. R., Rinard, G. A., Quine, R. W., Eaton, S. S., and
Eaton, G. R.: Rapid-scan EPR with triangular scans and fourier deconvolution
to recover the slow-scan spectrum, J. Magn. Reson., 175,
44–51, https://doi.org/10.1016/j.jmr.2005.03.013, 2005b.
Kittell, A. W., Camenisch, T. G., Ratke, J. J., Sidabras, J. W., and Hyde,
J. S.: Detection of undistorted continuous wave (CW) electron paramagnetic
resonance (EPR) spectra with non-adiabatic rapid sweep (NARS) of the
magnetic field, J. Magn. Reson., 211, 228–233,
https://doi.org/10.1016/j.jmr.2011.06.004, 2011.
Laguta, O., Tuček, M., van Slageren, J., and Neugebauer, P.:
Multi-frequency rapid-scan HFEPR, J. Magn. Reson., 296,
138–142, https://doi.org/10.1016/j.jmr.2018.09.005, 2018.
Matheoud, A. V., Sahin, N., and Boero, G.: A single chip electron spin
resonance detector based on a single high electron mobility transistor,
J. Magn. Reson., 294, 59–70,
https://doi.org/10.1016/j.jmr.2018.07.002, 2018.
Meyer, V., Eaton, S. S., and Eaton, G. R.: X-band Electron Spin Relaxation
Times for Four Aromatic Radicals in Fluid Solution and Comparison with Other
Organic Radicals, Appl. Magn. Reson., 45, 993–1007,
https://doi.org/10.1007/s00723-014-0579-6, 2014.
Mitchell, D. G., Quine, R. W., Tseitlin, M., Meyer, V., Eaton, S. S., and
Eaton, G. R.: Comparison of continuous wave, spin echo, and rapid scan EPR
of irradiated fused quartz, Radiat. Meas., 46, 993–996,
https://doi.org/10.1016/j.radmeas.2011.03.035, 2011a.
Mitchell, D. G., Quine, R. W., Tseitlin, M., Weber, R. T., Meyer, V., Avery,
A., Eaton, S. S., and Eaton, G. R.: Electron Spin Relaxation and
Heterogeneity of the 1 : 1
α,
γ-Bisdiphenylene-
β-phenylallyl (BDPA)/Benzene Complex, J. Phys. Chem. B, 115, 7986–7990,
https://doi.org/10.1021/jp201978w, 2011b.
Mitchell, D. G., Quine, R. W., Tseitlin, M., Eaton, S. S., and Eaton, G. R.:
X-band rapid-scan EPR of nitroxyl radicals, J. Magn. Reson.,
214, 221–226, https://doi.org/10.1016/j.jmr.2011.11.007, 2012.
Mitchell, D. G., Rosen, G. M., Tseitlin, M., Symmes, B., Eaton, S. S., and
Eaton, G. R.: Use of Rapid-Scan EPR to Improve Detection Sensitivity for
Spin-Trapped Radicals, Biophys. J., 105, 338–342,
https://doi.org/10.1016/j.bpj.2013.06.005, 2013a.
Mitchell, D. G., Tseitlin, M., Quine, R. W., Meyer, V., Newton, M. E.,
Schnegg, A., George, B., Eaton, S. S., and Eaton, G. R.: X-band rapid-scan
EPR of samples with long electron spin relaxation times: a comparison of
continuous wave, pulse and rapid-scan EPR, Mol. Phys., 111,
2664–2673, https://doi.org/10.1080/00268976.2013.792959, 2013b.
Möser, J., Lips, K., Tseytlin, M., Eaton, G. R., Eaton, S. S., and
Schnegg, A.: Using rapid-scan EPR to improve the detection limit of
quantitative EPR by more than one order of magnitude, J. Magn. Reson., 281, 17–25, https://doi.org/10.1016/j.jmr.2017.04.003, 2017.
Neese, F.: Quantum chemistry and EPR parameters, in: eMagRes, edited by:
Harris, R. K. and Wasylishen, R. L., John Wiley & Sons, Ltd, Chichester,
UK, 1–22, https://doi.org/10.1002/9780470034590.emrstm1505, 2017.
Pound, R. V. and Knight, W. D.: A Radiofrequency Spectrograph and Simple
Magnetic-Field Meter, Rev. Sci. Instrum., 21, 219–225,
https://doi.org/10.1063/1.1745537, 1950.
Powles, J. G.: The Adiabatic Fast Passage Experiment in Magnetic Resonance,
Proc. Phys. Soc., 71, 497–500, https://doi.org/10.1088/0370-1328/71/3/424,
1958.
Schlecker, B., Chu, A., Handwerker, J., Künstner, S., Ortmanns, M.,
Lips, K., and Anders, J.: Live demonstration: A VCO-based point-of-care ESR
spectrometer, in: 2017 IEEE SENSORS, 29 October–1 November 2017, Glasgow, UK, 1–1, https://doi.org/10.1109/ICSENS.2017.8234031, 2017a.
Schlecker, B., Chu, A., Handwerker, J., Künstner, S., Ortmanns, M.,
Lips, K., and Anders, J.: VCO-based ESR-on-a-chip as a tool for low-cost,
high-sensitivity point-of-care diagnostics, in: 2017 IEEE SENSORS, 29 October–1 November 2017, Glasgow, UK, 1–3, https://doi.org/10.1109/ICSENS.2017.8233896, 2017b.
Stoll, S. and Schweiger, A.: EasySpin, a comprehensive software package for
spectral simulation and analysis in EPR, J. Magn. Reson., 178,
42–55, https://doi.org/10.1016/j.jmr.2005.08.013, 2006.
Stoner, J. W., Szymanski, D., Eaton, S. S., Quine, R. W., Rinard, G. A., and
Eaton, G. R.: Direct-detected rapid-scan EPR at 250 MHz, 170, 127–135,
https://doi.org/10.1016/j.jmr.2004.06.008, 2004.
Switala, L. E., Black, B. E., Mercovich, C. A., Seshadri, A., and Hornak, J.
P.: An electron paramagnetic resonance mobile universal surface explorer,
J. Magn. Reson., 285, 18–25,
https://doi.org/10.1016/j.jmr.2017.10.004, 2017.
Tseitlin, M., Quine, R. W., Rinard, G. A., Eaton, S. S., and Eaton, G. R.:
Combining absorption and dispersion signals to improve signal-to-noise for
rapid-scan EPR imaging, J. Magn. Reson., 203, 305–310,
https://doi.org/10.1016/j.jmr.2010.01.013, 2010.
Tseitlin, M., Rinard, G. A., Quine, R. W., Eaton, S. S., and Eaton, G. R.:
Deconvolution of sinusoidal rapid EPR scans, J. Magn. Reson.,
208, 279–283, https://doi.org/10.1016/j.jmr.2010.11.015, 2011a.
Tseitlin, M., Rinard, G. A., Quine, R. W., Eaton, S. S., and Eaton, G. R.:
Rapid frequency scan EPR, J. Magn. Reson., 211, 156–161,
https://doi.org/10.1016/j.jmr.2011.05.006, 2011b.
Tseitlin, M., Eaton, G. R., and Eaton, S. S.: Computationally Efficient
Steady-State Solution of the Bloch Equations for Rapid Sinusoidal Scans
Based on Fourier Expansion in Harmonics of the Scan Frequency, Appl. Magn.
Reson., 44, 1373–1379, https://doi.org/10.1007/s00723-013-0494-2, 2013.
Tseytlin, M.: Full cycle rapid scan EPR deconvolution algorithm, J. Magn. Reson., 281, 272–278,
https://doi.org/10.1016/j.jmr.2017.06.008, 2017.
Van Doorslaer, S. and Vinck, E.: The strength of EPR and ENDOR techniques in
revealing structure–function relationships in metalloproteins, Phys. Chem.
Chem. Phys., 9, 4620–4638, https://doi.org/10.1039/B701568B, 2007.
Villamena, F. A.: Chapter 5 – EPR Spin Trapping, in: Reactive Species
Detection in Biology, edited by: Villamena, F. A., Elsevier, Boston, USA,
163–202, https://doi.org/10.1016/B978-0-12-420017-3.00004-9, 2017.
Weger, M.: Passage Effects in Paramagnetic Resonance Experiments, Bell
Syst. Tech. J., 39, 1013–1112,
https://doi.org/10.1002/j.1538-7305.1960.tb03951.x, 1960.
Welch, P.: The use of fast Fourier transform for the estimation of power
spectra: A method based on time averaging over short, modified periodograms,
IEEE Trans. Audio Electroacoust., 15, 70–73,
https://doi.org/10.1109/TAU.1967.1161901, 1967.
Wolfson, H., Ahmad, R., Twig, Y., Blank, A., and Kuppusamy, P.: A hand-held
EPR scanner for transcutaneous oximetry, in: Medical Imaging 2015:
Biomedical Applications in Molecular, Structural, and Functional Imaging, 19 March 2015, Orlando, Florida, USA, 941706, https://doi.org/10.1117/12.2083864, 2015.
Yalçin, T. and Boero, G.: Single-chip detector for electron spin
resonance spectroscopy, Rev. Sci. Instrum., 79, 094105,
https://doi.org/10.1063/1.2969657, 2008.
Yang, X. and Babakhani, A.: A single-chip electron paramagnetic resonance
transceiver in 0.13-
µm SiGe BiCMOS, IEEE T. Microw. Theory, 63, 3727–3735, https://doi.org/10.1109/tmtt.2015.2481895, 2015.
Yu, Z., Liu, T., Elajaili, H., Rinard, G. A., Eaton, S. S., and Eaton, G.
R.: Field-stepped direct detection electron paramagnetic resonance, J. Magn. Reson., 258, 58–64,
https://doi.org/10.1016/j.jmr.2015.06.011, 2015.
Zgadzai, O., Twig, Y., Wolfson, H., Ahmad, R., Kuppusamy, P., and Blank, A.:
Electron-Spin-Resonance Dipstick, Anal. Chem., 90, 7830–7836,
https://doi.org/10.1021/acs.analchem.8b00917, 2018.
Zhang, L. and Niknejad, A. M.: An Ultrasensitive 14-GHz 1.12-mW EPR
Spectrometer in 28-nm CMOS, IEEE Microw. Wireless Compon. Lett., 31, 819–822, https://doi.org/10.1109/LMWC.2021.3060730, 2021.
