Density-Based Methods: Magnetic Levitation (MagLev)

In Press
C. Abrahamsson, S. Ge, J. Bell, R. Blackledge, and G. M. Whitesides. In Press. “Chapter 4: Density Determination and Separation via Magnetic Levitation.” In Leading Edge Techniques in Forensic Trace Evidence Analysis: More New Trace Analysis Methods, 1st ed. John Wiley & Sons, Inc.
S.E. Root, R. Gao, C. K. Abrahamsson, M.S. Kodaimati, S. Ge, and G. M. Whitesides. 2021. “Estimating the Density of Thin Polymeric Films using Magnetic Levitation.” ACS Nano, 15, Pp. 15676-15686. PDF Supplemental
C. K. Abrahamsson, A. A. Nagarkar, M.J. Fink, D.J. Preston, S. Ge, J.S. Bozenko, and G. M. Whitesides. 2020. “Analysis of Powders Containing Illicit Drugs Using Magnetic Levitation.” Angewandte Chemie, 59, Pp. 874-881. PDF Supplemental
S. Ge, A. Nemiroski, K. A. Mirica, C. R. Mace, J. W. Hennek, A. A. Kumar, and G. M. Whitesides. 2020. “Magnetic Levitation in Chemistry, Materials Science, and Biochemistry.” Angew. Chem. Int. Ed. Eng., 59, Pp. 17810-17855. PDF Supplemental
S. Ge and G. M. Whitesides. 2018. “"Axial" Magnetic Levitation Using Ring Magnets Enables Simple Density-Based Analysis Separation, and Manipulation.” Analytical Chemistry, 90, Pp. 12239-12245. PDF Supplemental
S. Ge, Y. Wang, N. Deshler, D.J. Preston, and G. M. Whitesides. 2018. “High-Throughput Density Measurement Using Magnetic Levitation.” J. Amer. Chem. Soc., 140, 24, Pp. 7510-7518. PDF Supplemental
J. W. Hennek, A. A. Kumar, A. B. Wiltschko, M. R. Patton, S. Y. R. Lee, C. Brugnara, R. P. Adams, and G. M. Whitesides. 2016. “Diagnosis of Iron Deficiency Anemia Using Density-based Fractionation of Red Blood Cells.” Lab on a Chip, 16, Pp. 3929-3939. PDF Supplemental
A. Nemiroski, A. A. Kumar, S. Soh, D. V. Harburg, H-D. Yu, and G. M. Whitesides. 2016. “High-Sensitivity Measurement of Density by Magnetic Levitation.” Analytical Chemistry, 88, Pp. 2666-2674. PDF
A. Nemiroski, S. Soh, S. W. Kwok, H-D. Yu, and G. M. Whitesides. 2016. “Tilted Magnetic Levitation Enables Measurement of the Complete Range of Densities of Materials with Low Magnetic Permeability.” J. Amer. Chem. Soc., 138, Pp. 1252-1257. PDF Supplemental
A. A. Kumar, J. A. Walz, M. Gonidec, C. R. Mace, and G. M. Whitesides. 2015. “Combining Step Gradients and Linear Gradients in Density.” Analytical Chemistry, 87, Pp. 6158-6164.Abstract
Field of work: 2.1.2; 3.3; 3.3.1; 3.3.2
PDF Supplemental
A. A. Kumar, C. Lim, Y. Moreno, C. R. Mace, A. Syed, D. Van Tyne, D. F. Wirth, M. T. Duraisingh, and G. M. Whitesides. 2015. “Enrichment of Reticulocytes from Whole Blood using Aqueous Multiphase Systems of Polymers.” American Journal of Hemetology, 90, Pp. 31-36. PDF Supplemental
W. H. Bloxham, J. W. Hennek, A. A. Kumar, and G. M. Whitesides. 2015. “Fractioning Polymer Microspheres as Highly Accurate Density Standards.” Analytical Chemistry, 87, Pp. 7485-7491. PDF Supplemental
A. A. Kumar, J. W. Hennek, B. S. Smith, S. Kumar, P. Beattie, S. Jain, J. P. Rolland, T. P. Stossel, C. Chunda-Liyoka, and G. M. Whitesides. 2015. “From the Bench to the Field in Low-Cost Diagnostics: Two Case Studies.” Angew. Chemie. Int. Ed., 54, Pp. 5836-5853. PDF PDF - German Edition
J. W. Hennek, A. Nemiroski, A. B. Subramaniam, D. K. Bwambok, D. Yang, D. V. Harburg, S. Tricard, A. K. Ellerbee, and G. M. Whitesides. 2015. “Using Magnetic Levitation for Non-Destructive Quality Control of Plastic Parts.” Adv. Materials, 27, Pp. 1587-1592.Abstract
PDF Supplemental
A. A. Kumar, M. R. Patton, J. W. Hennek, S. Y. R. Lee, D. D' Alesio-Spina, X. Yang, J. Kanter, S. S. Shevkoplyas, C. Brugnara, and G. M. Whitesides. 2014. “Density-Based Separation in Multiphase Systems Provides a Simple Method to Identify Sickle Cell Disease.” Proc. Natl. Acad. Sci. USA, 111, Pp. 14864-14869. PDF Supplemental
A. A. Kumar, C. Chunda-Liyoka, J. W. Hennek, H. Mantina, S. Y. R. Lee, M. R. Patton, S. Sambo, S. Sinyangwe, C. Kankasa, C. Chintu, T. P. Stossel, and G. M. Whitesides. 2014. “Evaluation of a Density-Based Rapid Diagnostic Test for Sickle Cell Disease in a Clinical Setting in Zambia.” PLoS ONE, 9, Pp. e114540. PDF Supplemental
A. B. Subramaniam, D. Yang, H-D. Yu, A. Nemiroski, S. Tricard, A. K. Ellerbee, S. Soh, and G. M. Whitesides. 2014. “Noncontact Orientation of Objects in Three Dimensional Space Using Magnetic Levitation.” Proc. Natl. Acad. Sci. USA, 111, Pp. 12980-12985. PDF Supplemental
X. Yang, S. Y. Wong, D. K. Bwambok, M. B. J. Atkinson, X. Zhang, G. M. Whitesides, and A. S. Myerson. 2014. “Separation and Enrichment of Enantiopure from Racemic Compounds Using Magnetic Levitation.” Chem. Comm., 50, Pp. 7548-7551. PDF Supplemental
D. K. Bwambok, M. M. Thuo, M. B. J. Atkinson, K. A. Mirica, N. D. Shapiro, and G. M. Whitesides. 2013. “Paramagnetic Ionic Liquids for Measurements of Density Using Magnetic Levitation.” Analytical Chemistry, 85, Pp. 8442-8447. PDF Supplemental
A. Reina, A. B. Subramaniam, A. Laromaine, A. D. T. Samuel, and G. M. Whitesides. 2013. “Shifts in the Distribution of Mass Densities is a Signature of Caloric Restriction in Caenorhabditis elegans.” PLoS ONE, 8, Pp. e69651. PDF