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Ratnasingham Sooryakumar - Publications

Affiliations: 
Physics Ohio State University, Columbus, Columbus, OH 
Area:
Electricity and Magnetism Physics
Website:
https://encomm.osu.edu/people/sooryakumar.1
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43 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2020 Pierce CJ, Wijesinghe H, Osborne E, Mumper E, Lower B, Lower S, Sooryakumar R. Tunable self-assembly of magnetotactic bacteria: Role of hydrodynamics and magnetism Aip Advances. 10: 15335. DOI: 10.1063/1.5129925  0.372
2019 Mahajan KD, Ruan G, Vieira G, Porter T, Chalmers JJ, Sooryakumar R, Winter JO. Biomolecular detection, tracking, and manipulation using a magnetic nanoparticle-quantum dot platform. Journal of Materials Chemistry. B. PMID 31868198 DOI: 10.1039/C9Tb02481F  0.736
2019 Pierce CJ, Osborne E, Mumper E, Lower BH, Lower SK, Sooryakumar R. Thrust and Power Output of the Bacterial Flagellar Motor: A Micromagnetic Tweezers Approach. Biophysical Journal. PMID 31540710 DOI: 10.1016/J.Bpj.2019.08.036  0.308
2019 Liu X, Steiner MM, Sooryakumar R, Prinz GA, Farrow RF, Harp G. Exchange stiffness, magnetization, and spin waves in cubic and hexagonal phases of cobalt. Physical Review. B, Condensed Matter. 53: 12166-12172. PMID 9982846 DOI: 10.1103/Physrevb.53.12166  0.461
2018 Pierce CJ, Wijesinghe H, Mumper E, Lower BH, Lower SK, Sooryakumar R. Hydrodynamic Interactions, Hidden Order, and Emergent Collective Behavior in an Active Bacterial Suspension. Physical Review Letters. 121: 188001. PMID 30444412 DOI: 10.1103/Physrevlett.121.188001  0.344
2018 Lauback S, Mattioli KR, Marras AE, Armstrong M, Rudibaugh TP, Sooryakumar R, Castro CE. Real-time magnetic actuation of DNA nanodevices via modular integration with stiff micro-levers. Nature Communications. 9: 1446. PMID 29654315 DOI: 10.1038/S41467-018-03601-5  0.407
2018 Pease C, Wijesinghe H, Etheridge J, Pierce C, Sooryakumar R. Magnetic and hydrodynamic torques: Dynamics of superparamagnetic bead doublets Journal of Magnetism and Magnetic Materials. 466: 323-332. DOI: 10.1016/J.Jmmm.2018.07.014  0.488
2017 Pierce CJ, Mumper E, Brown EE, Brangham JT, Lower BH, Lower SK, Yang FY, Sooryakumar R. Tuning bacterial hydrodynamics with magnetic fields. Physical Review. E. 95: 062612. PMID 28709362 DOI: 10.1103/Physreve.95.062612  0.503
2016 Mahajan KD, Ruan G, Dorcéna CJ, Vieira G, Nabar G, Bouxsein NF, Chalmers JJ, Bachand GD, Sooryakumar R, Winter JO. Steering microtubule shuttle transport with dynamically controlled magnetic fields. Nanoscale. 8: 8641-9. PMID 27049749 DOI: 10.1039/C5Nr08529B  0.757
2016 Prikockis M, Wijesinghe H, Chen A, Vancourt J, Roderick D, Sooryakumar R. An on-chip colloidal magneto-optical grating Applied Physics Letters. 108. DOI: 10.1063/1.4947438  0.427
2015 Hu X, Abedini-Nassab R, Lim B, Yang Y, Howdyshell M, Sooryakumar R, Yellen BB, Kim C. Dynamic trajectory analysis of superparamagnetic beads driven by on-chip micromagnets. Journal of Applied Physics. 118: 203904. PMID 26648596 DOI: 10.1063/1.4936219  0.389
2015 Chang L, Howdyshell M, Liao WC, Chiang CL, Gallego-Perez D, Yang Z, Lu W, Byrd JC, Muthusamy N, Lee LJ, Sooryakumar R. Magnetic tweezers-based 3D microchannel electroporation for high-throughput gene transfection in living cells. Small (Weinheim An Der Bergstrasse, Germany). 11: 1818-28. PMID 25469659 DOI: 10.1002/Smll.201402564  0.399
2014 Howdyshell ML, Prikockis M, Lauback S, Vieira GB, Mahajan K, Winter J, Sooryakumar R. Deterministic and stochastic trajectories of magnetic particles: Mapping energy landscapes for technology and biology Ieee Transactions On Magnetics. 50. DOI: 10.1109/Tmag.2014.2323959  0.768
2014 Prikockis M, Chen A, Byvank T, Vieira GB, Peters B, Yang F, Sooryakumar R. Programmable self-assembly, disassembly, transport, and reconstruction of ordered planar magnetic micro-constructs Ieee Transactions On Magnetics. 50. DOI: 10.1109/Tmag.2013.2292601  0.773
2013 Chen A, Byvank T, Chang WJ, Bharde A, Vieira G, Miller BL, Chalmers JJ, Bashir R, Sooryakumar R. On-chip magnetic separation and encapsulation of cells in droplets. Lab On a Chip. 13: 1172-81. PMID 23370785 DOI: 10.1039/C2Lc41201B  0.722
2013 Jokilaakso N, Salm E, Chen A, Millet L, Guevara CD, Dorvel B, Reddy B, Karlstrom AE, Chen Y, Ji H, Chen Y, Sooryakumar R, Bashir R. Ultra-localized single cell electroporation using silicon nanowires. Lab On a Chip. 13: 336-9. PMID 23179093 DOI: 10.1039/C2Lc40837F  0.393
2013 Chen A, Byvank T, Vieira GB, Sooryakumar R. Magnetic microstructures for control of brownian motion and microparticle transport Ieee Transactions On Magnetics. 49: 300-308. DOI: 10.1109/Tmag.2012.2224850  0.776
2013 Chen A, Sooryakumar R. Patterned time-orbiting potentials for the confinement and assembly of magnetic dipoles Scientific Reports. 3. DOI: 10.1038/Srep03124  0.493
2012 Mahajan KD, Vieira GB, Ruan G, Miller BL, Lustberg MB, Chalmers JJ, Sooryakumar R, Winter JO. A MagDot-Nanoconveyor Assay Detects and Isolates Molecular Biomarkers. Chemical Engineering Progress. 108: 41-46. PMID 25580052  0.675
2012 Vieira G, Chen A, Henighan T, Lucy J, Yang FY, Sooryakumar R. Transport of magnetic microparticles via tunable stationary magnetic traps in patterned wires Physical Review B - Condensed Matter and Materials Physics. 85. DOI: 10.1103/Physrevb.85.174440  0.781
2012 Mahajan KD, Vieira GB, Ruan G, Miller BL, Lustberg MB, Chalmers JJ, Sooryakumar R, Winter JO. A mag dot-nanoconveyor assay detects and isolates molecular biomarkers Chemical Engineering Progress. 108.  0.68
2011 Chen A, Vieira G, Henighan T, Howdyshell M, North JA, Hauser AJ, Yang FY, Poirier MG, Jayaprakash C, Sooryakumar R. Regulating Brownian fluctuations with tunable microscopic magnetic traps. Physical Review Letters. 107: 087206. PMID 21929204 DOI: 10.1103/Physrevlett.107.087206  0.765
2011 Henighan T, Giglio D, Chen A, Vieira G, Sooryakumar R. Patterned magnetic traps for magnetophoretic assembly and actuation of microrotor pumps Applied Physics Letters. 98. DOI: 10.1063/1.3562037  0.77
2010 Bailey ST, Twa MD, Gump JC, Venkiteshwar M, Bullimore MA, Sooryakumar R. Light-scattering study of the normal human eye lens: elastic properties and age dependence. Ieee Transactions On Bio-Medical Engineering. 57: 2910-7. PMID 20529725 DOI: 10.1109/Tbme.2010.2052393  0.688
2010 Ruan G, Vieira G, Henighan T, Chen A, Thakur D, Sooryakumar R, Winter JO. Simultaneous magnetic manipulation and fluorescent tracking of multiple individual hybrid nanostructures. Nano Letters. 10: 2220-4. PMID 20450169 DOI: 10.1021/Nl1011855  0.76
2010 Henighan T, Chen A, Vieira G, Hauser AJ, Yang FY, Chalmers JJ, Sooryakumar R. Manipulation of magnetically labeled and unlabeled cells with mobile magnetic traps Biophysical Journal. 98: 412-417. PMID 20141754 DOI: 10.1016/J.Bpj.2009.10.036  0.782
2009 Vieira G, Henighan T, Chen A, Hauser AJ, Yang FY, Chalmers JJ, Sooryakumar R. Magnetic wire traps and programmable manipulation of biological cells. Physical Review Letters. 103: 128101. PMID 19792462 DOI: 10.1103/Physrevlett.103.128101  0.77
2009 Vieira G, Henighan T, Chen A, Hauser AJ, Yang FY, Chalmers JJ, Sooryakumar R. Magnetic Wire Traps and Programmable Manipulation of Biological Cells Physical Review Letters. 103. DOI: 10.1103/PhysRevLett.103.128101  0.765
2007 Xie XP, Zhao XW, Knepper JW, Yang FY, Sooryakumar R. Evolution of magnetic domain reversal with temperature in Co/Pt multilayers observed by magneto-optical Kerr imaging Physical Review B - Condensed Matter and Materials Physics. 76. DOI: 10.1103/Physrevb.76.184433  0.378
2006 Robinson M, Au Y, Knepper JW, Yang FY, Sooryakumar R. Magnetic imaging of layer-by-layer reversal in Co Pt multilayers with perpendicular anisotropy Physical Review B - Condensed Matter and Materials Physics. 73. DOI: 10.1103/Physrevb.73.224422  0.333
2002 Bandhu RS, Sooryakumar R, Farrow RFC, Weller D, Toney MF, Rabedeau TA. Elastic properties of chemically ordered Co 3Pt thin films Journal of Applied Physics. 91: 2737-2741. DOI: 10.1063/1.1433924  0.349
1998 Chirita M, Robins G, Stamps RL, Sooryakumar R, Filipkowski ME, Gutierrez CJ, Prinz GA. Brillouin light scattering study of magnetic coupling in CoFe/Mn/CoFe Physical Review B - Condensed Matter and Materials Physics. 58: 869-876. DOI: 10.1103/Physrevb.58.869  0.396
1997 Tschopp S, Robins G, Stamps RL, Sooryakumar R, Filipkowski ME, Gutierrez CJ, Prinz GA. Observation of magnons by light scattering in epitaxial CoFe/Mn/CoFe trilayers Journal of Applied Physics. 81: 3785-3787. DOI: 10.1063/1.364769  0.412
1996 Liu X, Stamps RL, Sooryakumar R, Prinz GA. Magnetic anisotropies in thick body centered cubic Co Journal of Applied Physics. 79: 5387-5389. DOI: 10.1063/1.362312  0.408
1996 Liu X, Steiner MM, Sooryakumar R, Prinz GA, Farrow RFC, Harp G. Exchange stiffness, magnetization, and spin waves in cubic and hexagonal phases of cobalt Physical Review B - Condensed Matter and Materials Physics. 53: 12166-12172.  0.361
1995 Subramanian S, Liu X, Stamps RL, Sooryakumar R, Prinz GA. Magnetic anisotropies in body-centered-cubic cobalt films Physical Review B. 52: 10194-10201. DOI: 10.1103/Physrevb.52.10194  0.398
1994 Liu X, Sooryakumar R, Gutierrez CJ, Prinz GA. Exchange stiffness and magnetic anisotropies in bcc Fe1-xCo x alloys Journal of Applied Physics. 75: 7021-7023. DOI: 10.1063/1.356763  0.42
1991 Karanikas JM, Sooryakumar R, Prinz GA, Jonker BT. Thermal magnons in bcc cobalt-itinerancy and exchange stiffness (invited) Journal of Applied Physics. 69: 6120-6125. DOI: 10.1063/1.348778  0.419
1981 Sooryakumar R, Klein MV, Frindt RF. Effect of nonmagnetic impurities on the Raman spectra of the superconductor niobium diselenide Physical Review B. 23: 3222-3229. DOI: 10.1103/Physrevb.23.3222  0.457
1981 Sooryakumar R, Klein MV. Raman scattering from superconducting gap excitations in the presence of a magnetic field Physical Review B. 23: 3213-3221. DOI: 10.1103/PhysRevB.23.3213  0.516
1981 Sooryakumar R, Klein MV. The superconducting energy gap in 2H-NbSe2 and its coupling to charge density waves Physica B+C. 105: 422-427. DOI: 10.1016/0378-4363(81)90288-6  0.48
1980 Sooryakumar R, Klein MV. Raman scattering by superconducting-gap excitations and their coupling to charge-density waves Physical Review Letters. 45: 660-662. DOI: 10.1103/Physrevlett.45.660  0.479
1980 Sooryakumar R, Klein MV. SUPERCONDUCTING ENERGY GAP IN 2H-NbSe//2 AND ITS COUPLING TO CHARGE DENSITY WAVES Physica B: Physics of Condensed Matter &Amp; C: Atomic, Molecular and Plasma Physics, Optics. 105: 422-427.  0.48
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