Jene A. Golovchenko - Publications

Affiliations: 
Physics Harvard University, Cambridge, MA, United States 
Area:
Radiation Physics, rapid sequencing of the entire human genome.
Website:
http://www.physics.harvard.edu/people/facpages/golovchenko.html

90 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
2018 Lu B, Stokes C, Fahie M, Chen M, Golovchenko JA, Hau LV. Protein Motion and Configurations in a Form-Fitting Nanopore: Avidin in ClyA. Biophysical Journal. PMID 30122294 DOI: 10.1016/J.Bpj.2018.07.024  0.686
2017 Fleming SJ, Lu B, Golovchenko JA. Charge, Diffusion, and Current Fluctuations of Single-Stranded DNA Trapped in an MspA Nanopore. Biophysical Journal. 112: 368-375. PMID 28122222 DOI: 10.1016/J.Bpj.2016.12.007  0.307
2015 Lu B, Fleming S, Szalay T, Golovchenko J. Thermal Motion of DNA in an MspA Pore. Biophysical Journal. 109: 1439-45. PMID 26445444 DOI: 10.1016/J.Bpj.2015.08.019  0.306
2015 Kuan A, Lu B, Golovchenko J. Electrical Pulse Fabricated Graphene Nanopores for Single Molecule Sensing Biophysical Journal. 108: 175a. DOI: 10.1016/J.Bpj.2014.11.965  0.311
2014 Nagashima G, Levine EV, Hoogerheide DP, Burns MM, Golovchenko JA. Superheating and homogeneous single bubble nucleation in a solid-state nanopore. Physical Review Letters. 113: 024506. PMID 25062192 DOI: 10.1103/Physrevlett.113.024506  0.657
2014 Hoogerheide DP, Lu B, Golovchenko JA. Pressure-voltage trap for DNA near a solid-state nanopore. Acs Nano. 8: 7384-91. PMID 24933128 DOI: 10.1021/Nn5025829  0.671
2014 Hoogerheide DP, Golovchenko JA. Universal Behavior of DNA Escape, Drift, and Diffusion in Nanopores Biophysical Journal. 106: 695a. DOI: 10.1016/J.Bpj.2013.11.3842  0.661
2013 Hoogerheide DP, Albertorio F, Golovchenko JA. Escape of DNA from a weakly biased thin nanopore: experimental evidence for a universal diffusive behavior. Physical Review Letters. 111: 248301. PMID 24483704 DOI: 10.1103/Physrevlett.111.248301  0.649
2013 Garaj S, Liu S, Golovchenko JA, Branton D. Molecule-hugging graphene nanopores. Proceedings of the National Academy of Sciences of the United States of America. 110: 12192-6. PMID 23836648 DOI: 10.1073/Pnas.1220012110  0.612
2013 Lu B, Hoogerheide DP, Zhao Q, Zhang H, Tang Z, Yu D, Golovchenko JA. Pressure-controlled motion of single polymers through solid-state nanopores. Nano Letters. 13: 3048-52. PMID 23802688 DOI: 10.1021/Nl402052V  0.651
2012 Vlassarev DM, Golovchenko JA. Trapping DNA near a solid-state nanopore. Biophysical Journal. 103: 352-6. PMID 22853913 DOI: 10.1016/J.Bpj.2012.06.008  0.771
2012 Kuan AT, Golovchenko JA. Nanometer-thin solid-state nanopores by cold ion beam sculpting. Applied Physics Letters. 100: 213104-2131044. PMID 22711913 DOI: 10.1063/1.4719679  0.353
2012 Cheang-Wong JC, Narumi K, Schürmann GM, Aziz MJ, Golovchenko JA. Tunable nanometer electrode gaps by MeV ion irradiation. Applied Physics Letters. 100: 153108-1531083. PMID 22550357 DOI: 10.1063/1.3702778  0.324
2012 Russo CJ, Golovchenko JA. Atom-by-atom nucleation and growth of graphene nanopores. Proceedings of the National Academy of Sciences of the United States of America. 109: 5953-7. PMID 22492975 DOI: 10.1073/Pnas.1119827109  0.628
2012 Han A, Kuan A, Golovchenko J, Branton D. Nanopatterning on nonplanar and fragile substrates with ice resists. Nano Letters. 12: 1018-21. PMID 22229744 DOI: 10.1021/Nl204198W  0.587
2011 Lu B, Albertorio F, Hoogerheide DP, Golovchenko JA. Origins and consequences of velocity fluctuations during DNA passage through a nanopore. Biophysical Journal. 101: 70-9. PMID 21723816 DOI: 10.1016/J.Bpj.2011.05.034  0.645
2011 Han A, Chervinsky J, Branton D, Golovchenko JA. An ice lithography instrument. The Review of Scientific Instruments. 82: 065110. PMID 21721733 DOI: 10.1063/1.3601005  0.551
2011 Hoogerheide DP, George HB, Golovchenko JA, Aziz MJ. Thermal activation and saturation of ion beam sculpting. Journal of Applied Physics. 109: 74312-743124. PMID 21544213 DOI: 10.1063/1.3569705  0.624
2011 Sadki ES, Garaj S, Vlassarev D, Golovchenko JA, Branton D. Embedding a carbon nanotube across the diameter of a solid state nanopore Journal of Vacuum Science and Technology B:Nanotechnology and Microelectronics. 29. DOI: 10.1116/1.3628602  0.787
2010 Han A, Vlassarev D, Wang J, Golovchenko JA, Branton D. Ice lithography for nanodevices. Nano Letters. 10: 5056-9. PMID 21038857 DOI: 10.1021/Nl1032815  0.753
2010 Garaj S, Hubbard W, Reina A, Kong J, Branton D, Golovchenko JA. Graphene as a subnanometre trans-electrode membrane. Nature. 467: 190-3. PMID 20720538 DOI: 10.1038/Nature09379  0.578
2010 Goodsell A, Ristroph T, Golovchenko JA, Hau LV. Field ionization of cold atoms near the wall of a single carbon nanotube. Physical Review Letters. 104: 133002. PMID 20481881 DOI: 10.1103/Physrevlett.104.133002  0.754
2010 Ristroph T, Goodsell A, Golovchenko J, Hau LV. 3.2: Field ionization detection of laser cooled rubidium atoms with a single suspended carbon nanotube 23rd International Vacuum Nanoelectronics Conference, Ivnc 2010. 13. DOI: 10.1109/IVNC.2010.5563220  0.682
2010 Hoogerheide DP, Garaj S, Golovchenko JA. Erratum: Probing Surface Charge Fluctuations with Solid-State Nanopores [Phys. Rev. Lett.102, 256804 (2009)] Physical Review Letters. 105. DOI: 10.1103/Physrevlett.105.039902  0.642
2010 George HB, Hoogerheide DP, Madi CS, Bell DC, Golovchenko JA, Aziz MJ. Ion-sculpting of nanopores in amorphous metals, semiconductors, and insulators Applied Physics Letters. 96. DOI: 10.1063/1.3441406  0.64
2009 Albertorio F, Hughes ME, Golovchenko JA, Branton D. Base dependent DNA-carbon nanotube interactions: activation enthalpies and assembly-disassembly control. Nanotechnology. 20: 395101. PMID 19724110 DOI: 10.1088/0957-4484/20/39/395101  0.694
2009 Hoogerheide DP, Garaj S, Golovchenko JA. Probing surface charge fluctuations with solid-state nanopores. Physical Review Letters. 102: 256804. PMID 19659110 DOI: 10.1103/Physrevlett.102.256804  0.618
2009 Li J, Golovchenko JA. Solid-state nanopore for detecting individual biopolymers. Methods in Molecular Biology (Clifton, N.J.). 544: 81-93. PMID 19488695 DOI: 10.1007/978-1-59745-483-4_7  0.34
2007 Gershow M, Golovchenko JA. Recapturing and trapping single molecules with a solid-state nanopore. Nature Nanotechnology. 2: 775-9. PMID 18654430 DOI: 10.1038/Nnano.2007.381  0.742
2007 Hughes ME, Brandin E, Golovchenko JA. Optical absorption of DNA-carbon nanotube structures. Nano Letters. 7: 1191-4. PMID 17419658 DOI: 10.1021/Nl062906U  0.571
2007 Hoogerheide DP, Golovchenko JA. Dynamics of ion beam stimulated surface mass transport to nanopores Materials Research Society Symposium Proceedings. 1020: 29-38. DOI: 10.1557/Proc-1020-Gg02-01  0.651
2006 Cai Q, Ledden B, Krueger E, Golovchenko JA, Li J. Nanopore sculpting with noble gas ions. Journal of Applied Physics. 100: 24914-249146. PMID 21331305 DOI: 10.1063/1.2216880  0.302
2006 Mitsui T, Stein D, Kim YR, Hoogerheide D, Golovchenko JA. Nanoscale volcanoes: accretion of matter at ion-sculpted nanopores. Physical Review Letters. 96: 036102. PMID 16486735 DOI: 10.1103/Physrevlett.96.036102  0.714
2006 Peng HB, Hughes ME, Golovchenko JA. Room-temperature single charge sensitivity in carbon nanotube field-effect transistors Applied Physics Letters. 89. DOI: 10.1063/1.2399942  0.601
2005 King GM, Golovchenko JA. Probing nanotube-nanopore interactions. Physical Review Letters. 95: 216103. PMID 16384162 DOI: 10.1103/Physrevlett.95.216103  0.355
2005 Fologea D, Gershow M, Ledden B, McNabb DS, Golovchenko JA, Li J. Detecting single stranded DNA with a solid state nanopore. Nano Letters. 5: 1905-9. PMID 16218707 DOI: 10.1021/Nl051199M  0.739
2005 King GM, Schürmann G, Branton D, Golovchenko JA. Nanometer patterning with ice. Nano Letters. 5: 1157-60. PMID 15943460 DOI: 10.1021/Nl050405N  0.568
2005 Ristroph T, Goodsell A, Golovchenko JA, Hau LV. Detection and quantized conductance of neutral atoms near a charged carbon nanotube. Physical Review Letters. 94: 066102. PMID 15783752 DOI: 10.1103/Physrevlett.94.066102  0.752
2004 Chen P, Mitsui T, Farmer DB, Golovchenko J, Gordon RG, Branton D. Atomic Layer Deposition to Fine-Tune the Surface Properties and Diameters of Fabricated Nanopores. Nano Letters. 4: 1333-1337. PMID 24991194 DOI: 10.1021/Nl0494001  0.612
2004 Mitsui T, Gershow M, Brandin E, Kim Y, Chen P, Farmer DB, Branton D, Golovchenko J. New method for detection of single DNA molecules using Si-based nano-scale pore The Japan Society of Applied Physics. 2004: 372-373. DOI: 10.7567/Ssdm.2004.I-5-1  0.778
2004 Peng HB, Golovchenko JA. Coulomb blockade in suspended Si 3N 4-coated single-walled carbon nanotubes Applied Physics Letters. 84: 5428-5430. DOI: 10.1063/1.1765733  0.342
2004 Stein DM, McMullan CJ, Li J, Golovchenko JA. Feedback-controlled ion beam sculpting apparatus Review of Scientific Instruments. 75: 900-905. DOI: 10.1063/1.1666986  0.513
2003 Li J, Gershow M, Stein D, Brandin E, Golovchenko JA. DNA molecules and configurations in a solid-state nanopore microscope. Nature Materials. 2: 611-5. PMID 12942073 DOI: 10.1038/Nmat965  0.773
2003 Peng HB, Ristroph TG, Schurmann GM, King GM, Yoon J, Narayanamurti V, Golovchenko JA. Patterned growth of single-walled carbon nanotube arrays from a vapor-deposited Fe catalyst Applied Physics Letters. 83: 4238-4240. DOI: 10.1063/1.1627935  0.769
2002 Stein D, Li J, Golovchenko JA. Ion-beam sculpting time scales. Physical Review Letters. 89: 276106. PMID 12513225 DOI: 10.1103/Physrevlett.89.276106  0.497
2001 Li J, Stein D, McMullan C, Branton D, Aziz MJ, Golovchenko JA. Ion-beam sculpting at nanometre length scales. Nature. 412: 166-9. PMID 11449268 DOI: 10.1038/35084037  0.691
2001 Selim FA, Hunt AW, Howell RH, Lynn KG, Golovchenko JA. Developments on positron scattering experiments including beam production and detection Materials Science Forum. 363: 640-642. DOI: 10.4028/Www.Scientific.Net/Msf.363-365.640  0.565
2001 Hunt A, Cassidy D, Sterne P, Cowan T, Howell R, Lynn K, Golovchenko J. Erratum: Doppler Broadening of In-Flight Positron Annihilation Radiation due to Electron Momentum [Phys. Rev. Lett. 86, 5612 (2001)] Physical Review Letters. 87: 139901. DOI: 10.1103/Physrevlett.87.139901  0.561
2001 Cassidy DB, Hunt AW, Asoka-Kumar P, Bhat BV, Cowan TE, Howell RH, Lynn KG, Mills AP, Palathingal JC, Golovchenko JA. Resonant versus nonresonant nuclear excitation of 115In by positron annihilation Physical Review C - Nuclear Physics. 64: 546031-546035. DOI: 10.1103/Physrevc.64.054603  0.545
2001 Dubon OD, Evans PG, Chervinsky JF, Aziz MJ, Spaepen F, Golovchenko JA, Chisholm MF, Muller DA. Doping by metal-mediated epitaxy: Growth of As delta-doped Si through a Pb monolayer Applied Physics Letters. 78: 1505-1507. DOI: 10.1063/1.1352692  0.314
2000 Meller A, Nivon L, Brandin E, Golovchenko J, Branton D. Rapid nanopore discrimination between single polynucleotide molecules. Proceedings of the National Academy of Sciences of the United States of America. 97: 1079-84. PMID 10655487 DOI: 10.1073/Pnas.97.3.1079  0.577
2000 Selim FA, Hunt AW, Howell R, Lynn KG, Golovchenko JA. Multiple scattering measurements of energetic positrons in a thin gold polycrystal Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions With Materials and Atoms. 168: 1-10. DOI: 10.1016/S0168-583X(99)00718-1  0.584
2000 Selim FA, Hunt AW, Golovchenko JA, Howell RH, Haakenaasen R, Lynn KG. Improved source and transport of monoenergetic MeV positrons Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions With Materials and Atoms. 171: 182-188. DOI: 10.1016/S0168-583X(00)00082-3  0.585
1999 Branton D, Golovchenko J. Biochemical sensors. Adapting to nanoscale events. Nature. 398: 660-1. PMID 10227284 DOI: 10.1038/19412  0.593
1999 Weber MH, Hunt AW, Golovchenko JA, Lynn KG. Energy-Resolved Positron Annihilation in Flight in Solid Targets Physical Review Letters. 83: 4658-4661. DOI: 10.1103/Physrevlett.83.4658  0.585
1999 Hunt AW, Cassidy DB, Selim FA, Haakenaasen R, Cowan TE, Howell RH, Lynn KG, Golovchenko JA. Spatial sampling of crystal electrons by in-flight annihilation of fast positrons Nature. 402: 157-160. DOI: 10.1038/45990  0.601
1999 Hunt AW, Weber MH, Golovchenko JA, Lynn KG. In flight positron annihilation in thin targets Applied Surface Science. 149: 282-286. DOI: 10.1016/S0169-4332(99)00216-0  0.588
1998 Hau LV, Busch BD, Liu C, Dutton Z, Burns MM, Golovchenko JA. Near-resonant spatial images of confined Bose-Einstein condensates in a 4-Dee magnetic bottle Physical Review a - Atomic, Molecular, and Optical Physics. 58: R54-R57. DOI: 10.1103/Physreva.58.R54  0.794
1997 Hunt AW, Hau LV, Golovchenko JA. Spin precession for channeled positrons and electrons Materials Science Forum. 255: 263-265. DOI: 10.4028/Www.Scientific.Net/Msf.255-257.263  0.724
1997 Haakenaasen R, Hunt AW, Golovchenko JA, Howell RH, Selim FA, Lynn KG, Cowan TE, Hau LV. Single-quantum annihilation and two-quantum annihilation-in-flight measurements of electron distributions using channeled positrons Materials Science Forum. 255: 257-259. DOI: 10.4028/Www.Scientific.Net/Msf.255-257.257  0.731
1997 Hau LV, Hunt AW, Golovchenko JA, Haakenaasen R, Lynn KG. Progress towards measuring atomic scale magnetism with fast channeled positrons Materials Science Forum. 255: 119-123. DOI: 10.4028/Www.Scientific.Net/Msf.255-257.119  0.75
1996 Berg-Sorensen K, Burns MM, Golovchenko JA, Hau LV. Waveguide for cold atoms: Spin-1 magnetic particles and a filamentary current. Physical Review. A. 53: 1653-1667. PMID 9913058 DOI: 10.1103/Physreva.53.1653  0.672
1996 Hau LV, Golovchenko JA, Haakenaasen R, Hunt AW, Peng JP, Asoka-Kumar P, Lynn KG, Weinert M, Palathingal JC. On the role of classical and quantum notions in channeling and the development of fast positrons as a solid state probe of valence electron and spin densities Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions With Materials and Atoms. 119: 30-41. DOI: 10.1016/0168-583X(96)00307-2  0.748
1995 Haakenaasen R, Vestergaard Hau L, Golovchenko JA, Palathingal JC, Peng JP, Asoka-Kumar P, Lynn KG. Quantum Channeling Effects for 1 MeV Positrons. Physical Review Letters. 75: 1650-1653. PMID 10060351 DOI: 10.1103/Physrevlett.75.1650  0.329
1994 Hwang IS, Theiss SK, Golovchenko JA. Mobile point defects and atomic basis for structural transformations of a crystal surface. Science (New York, N.Y.). 265: 490-6. PMID 17781306 DOI: 10.1126/Science.265.5171.490  0.35
1994 Woicik JC, Franklin GE, Liu C, Martinez RE, Hwong I, Bedzyk MJ, Patel JR, Golovchenko JA. Structural determination of the Si(111) sqrt 3 x sqrt 3-Bi surface by x-ray standing waves and scanning tunneling microscopy. Physical Review. B, Condensed Matter. 50: 12246-12249. PMID 9975381 DOI: 10.1103/Physrevb.50.12246  0.332
1994 Hau LV, Golovchenko JA, Burns MM. A new atomic beam source: The "candlestick" Review of Scientific Instruments. 65: 3746-3750. DOI: 10.1063/1.1145246  0.678
1993 Golovchenko J, Hwang IS, Ganz E, Theiss SK. Metastable structural surface excitations and concerted adatom motions: a stm study on atomic motions within a semiconductor surface Materials Research Society Symposium Proceedings. 280: 79-86. DOI: 10.1557/Proc-280-79  0.355
1992 Hau LV, Burns MM, Golovchenko JA. Bound states of guided matter waves: An atom and a charged wire. Physical Review. A. 45: 6468-6478. PMID 9907770 DOI: 10.1103/Physreva.45.6468  0.691
1992 Hwang IS, Golovchenko J. Observation of metastable structural excitations and concerted atomic motions on a crystal surface Science. 258: 1119-1122. DOI: 10.1126/Science.258.5085.1119  0.359
1992 Rao K, Martinez RE, Golovchenko JA. Abstract of articleSurface stresses in atomic reconstructions of lead on silicon (111) Surface Science Letters. 277. DOI: 10.1016/0167-2584(92)90149-Y  0.315
1991 Ganz ED, Xiong F, Hwang IS, Golovchenko J. Submonolayer phases of Pb on Si(111) Physical Review B. 43: 7316-7319. PMID 9998200 DOI: 10.1103/Physrevb.43.7316  0.326
1991 Mortensen K, Chen DM, Bedrossian PJ, Golovchenko JA, Besenbacher F. Two reaction channels directly observed for atomic hydrogen on the Si(111)-7 x 7 surface. Physical Review. B, Condensed Matter. 43: 1816-1819. PMID 9997439 DOI: 10.1103/Physrevb.43.1816  0.306
1991 Ganz E, Ing-Shouh H, Fulin X, Theiss SK, Golovchenko J. Growth and morphology of Pb on Si(111) Surface Science. 257: 259-273. DOI: 10.1016/0039-6028(91)90797-V  0.329
1990 Bedrossian P, Mortensen K, Chen DM, Golovchenko JA. Adatom registry on Si(111)-( sqrt 3 x sqrt 3 )R30 degrees-B. Physical Review. B, Condensed Matter. 41: 7545-7548. PMID 9993046 DOI: 10.1103/Physrevb.41.7545  0.302
1990 Bedrossian P, Mortensen K, Chen DM, Golovchenko JA. Probing atomically inhomogeneous surfaces with tunneling microscopy Nuclear Inst. and Methods in Physics Research, B. 48: 296-305. DOI: 10.1016/0168-583X(90)90126-F  0.366
1989 Zegenhagen J, Patel JR, Freeland P, Chen DM, Golovchenko JA, Bedrossian P, Northrup JE. X-ray standing-wave and tunneling-microscope location of gallium atoms on a silicon surface. Physical Review. B, Condensed Matter. 39: 1298-1301. PMID 9948317 DOI: 10.1103/Physrevb.39.1298  0.322
1989 Bedrossian P, Chen DM, Mortensen K, Golovchenko JA. Demonstration of the tunnel-diode effect on an atomic scale Nature. 342: 258-260. DOI: 10.1038/342258A0  0.366
1988 Chen DM, Golovchenko JA, Bedrossian P, Mortensen K. Tunneling images of gallium on a silicon surface: Reconstructions, superlattices, and incommensuration. Physical Review Letters. 61: 2867-2870. PMID 10039248 DOI: 10.1103/Physrevlett.61.2867  0.317
1988 Zegenhagen J, Patel JR, Kincaid BM, Golovchenko JA, Mock JB, Freeland PE, Malik RJ, Huang KG. Synchrotron x-ray standing-wave study of arsenic on Si(100) Applied Physics Letters. 53: 252-254. DOI: 10.1063/1.100139  0.31
1987 Patel JR, Freeland PE, Hybertsen MS, Jacobson DC, Golovchenko JA. Location of atoms in the first monolayer of GaAs on Si. Physical Review Letters. 59: 2180-2183. PMID 10035445 DOI: 10.1103/Physrevlett.59.2180  0.342
1987 Patel JR, Golovchenko JA, Freeland PE, Gossmann HJ. Arsenic atom location on passivated silicon (111) surfaces. Physical Review. B, Condensed Matter. 36: 7715-7717. PMID 9942562 DOI: 10.1103/Physrevb.36.7715  0.359
1987 Becker RS, Golovchenko JA, Swartzentruber BS. Atomic-scale surface modifications using a tunnelling microscope Nature. 325: 419-421. DOI: 10.1007/978-94-011-1812-5_41  0.643
1986 Golovchenko JA. The tunneling microscope: a new look at the atomic world. Science (New York, N.Y.). 232: 48-53. PMID 17773997 DOI: 10.1126/Science.232.4746.48  0.357
1986 Becker RS, Golovchenko JA, Higashi GS, Swartzentruber BS. New reconstructions on silicon (111) surfaces. Physical Review Letters. 57: 1020-1023. PMID 10034225 DOI: 10.1103/Physrevlett.57.1020  0.606
1985 Becker RS, Golovchenko JA, Swartzentruber BS. Electron interferometry at crystal surfaces. Physical Review Letters. 55: 987-990. PMID 10032501 DOI: 10.1103/Physrevlett.55.987  0.594
1985 Becker RS, Golovchenko JA, Hamann DR, Swartzentruber BS. Real-space observation of surface states on Si(111)7 x 7 with the tunneling microscope. Physical Review Letters. 55: 2032-2034. PMID 10031992 DOI: 10.1103/Physrevlett.55.2032  0.612
1985 Becker RS, Golovchenko JA, McRae EG, Swartzentruber BS. Tunneling images of atomic steps on the Si(111)7 x 7 surface. Physical Review Letters. 55: 2028-2031. PMID 10031991 DOI: 10.1103/Physrevlett.55.2028  0.634
1985 Becker RS, Golovchenko JA, Swartzentruber BS. Tunneling images of germanium surface reconstructions and phase boundaries. Physical Review Letters. 54: 2678-2680. PMID 10031409 DOI: 10.1103/Physrevlett.54.2678  0.603
1981 Bedzyk MJ, Gibson WM, Golovchenko JA. X-RAY STANDING WAVE ANALYSIS FOR BROMINE CHEMISORBED ON SILICON Journal of Vacuum Science & Technology. 20: 634-637. DOI: 10.1116/1.571412  0.342
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