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Ionel Popa - Publications

Affiliations: 
2010-2015 Department of Biological Sc Columbia University, New York, NY 
 2015- University of Wisconsin, Milwaukee 
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Year Citation  Score
2022 Nowitzke J, Popa I. What Is the Force-per-Molecule Inside a Biomaterial Having Randomly Oriented Units? The Journal of Physical Chemistry Letters. 13: 7139-7146. PMID 35901371 DOI: 10.1021/acs.jpclett.2c01720  0.417
2022 Dahal N, Sharma S, Phan B, Eis A, Popa I. Mechanical regulation of talin through binding and history-dependent unfolding. Science Advances. 8: eabl7719. PMID 35857491 DOI: 10.1126/sciadv.abl7719  0.392
2022 Chetrit E, Sharma S, Maayan U, Pelah MG, Klausner Z, Popa I, Berkovich R. Nonexponential kinetics captured in sequential unfolding of polyproteins over a range of loads. Current Research in Structural Biology. 4: 106-117. PMID 35540955 DOI: 10.1016/j.crstbi.2022.04.003  0.315
2020 Sharma S, Subramani S, Popa I. Does protein unfolding play a functional role in vivo? The Febs Journal. PMID 32761965 DOI: 10.1111/Febs.15508  0.483
2020 Khoury LR, Slawinski M, Collison DR, Popa I. Cation-induced shape programming and morphing in protein-based hydrogels. Science Advances. 6: eaba6112. PMID 32494690 DOI: 10.1126/Sciadv.Aba6112  0.305
2020 Dahal N, Nowitzke J, Eis A, Popa I. Binding-Induced Stabilization Measured on the Same Molecular Protein Substrate Using Single-Molecule Magnetic Tweezers and Heterocovalent Attachments. The Journal of Physical Chemistry. B. PMID 32097002 DOI: 10.1021/Acs.Jpcb.0C00167  0.464
2020 Dahal N, Nowitzke J, Eis A, Popa I. Antibody Binding Bacteria Sample their Environment through a Second Binding Site, Which can Act as a Force-Sensor Under Mechanical Sheer Biophysical Journal. 118. DOI: 10.1016/J.Bpj.2019.11.2590  0.309
2019 Khoury LR, Popa I. Chemical unfolding of protein domains induces shape change in programmed protein hydrogels. Nature Communications. 10: 5439. PMID 31784506 DOI: 10.1038/S41467-019-13312-0  0.423
2019 Stoneman MR, Biener G, Ward RJ, Pediani JD, Badu D, Eis A, Popa I, Milligan G, Raicu V. A general method to quantify ligand-driven oligomerization from fluorescence-based images. Nature Methods. PMID 31110281 DOI: 10.1038/S41592-019-0408-9  0.319
2018 Popa I, Berkovich R. Mechanobiology: protein refolding under force. Emerging Topics in Life Sciences. 2: 687-699. PMID 33530665 DOI: 10.1042/ETLS20180044  0.503
2018 Shmilovich K, Popa I. Modeling Protein-Based Hydrogels under Force. Physical Review Letters. 121: 168101. PMID 30387621 DOI: 10.1103/Physrevlett.121.168101  0.503
2018 Khoury LR, Nowitzke J, Dahal N, Shmilovich K, Eis A, Popa I. Force-Clamp Rheometry for Characterizing Protein-based Hydrogels. Journal of Visualized Experiments : Jove. PMID 30199039 DOI: 10.3791/58280  0.594
2018 Popa I, Berkovich R. Mechanobiology: protein refolding under force Emerging Topics in Life Sciences. 2: 687-699. DOI: 10.1042/ETLS20180044  0.503
2018 Khoury LR, Nowitzke J, Shmilovich K, Popa I. Study of Biomechanical Properties of Protein-Based Hydrogels Using Force-Clamp Rheometry Macromolecules. 51: 1441-1452. DOI: 10.1021/Acs.Macromol.7B02160  0.521
2018 Khoury LR, Nowitzke J, Shmilovich K, Popa I. Biomechanical Characterization of Protein-Based Hydrogels using a Force-Clamp Rheometer Biophysical Journal. 114: 354a. DOI: 10.1016/J.Bpj.2017.11.1971  0.572
2017 Valle-Orero J, Tapia-Rojo R, Eckels EC, Rivas-Pardo JA, Popa I, Fernandez JM. Proteins Breaking Bad: A Free Energy Perspective. The Journal of Physical Chemistry Letters. PMID 28723106 DOI: 10.1021/Acs.Jpclett.7B01509  0.804
2017 Valle Orero J, Rivas-Pardo JA, Tapia-Rojo R, Popa I, Echelman DJ, Haldar S, Fernandez JM. Mechanical deformation accelerates protein ageing. Angewandte Chemie (International Ed. in English). PMID 28470663 DOI: 10.1002/Anie.201703630  0.79
2017 Valle-Orero J, Rivas-Pardo JA, Popa I. Multidomain proteins under force. Nanotechnology. 28: 174003. PMID 28272024 DOI: 10.1088/1361-6528/Aa655E  0.849
2017 Valle Orero J, Rivas-Pardo JA, Tapia-Rojo R, Popa I, Echelman DJ, Fernandez JM. Protein Aging: Loss of Folding Contraction due to Oxidation of Cryptic Side Chains Biophysical Journal. 112: 490a. DOI: 10.1016/J.Bpj.2016.11.2651  0.791
2017 Shmilovich K, Dahal NP, Khoury LR, Popa I. Investigating the Scaling Behavior of Multidomain Proteins under Force using Single Molecule and Ensemble Force-Clamp Spectroscopy Biophysical Journal. 112. DOI: 10.1016/J.Bpj.2016.11.2442  0.619
2016 Popa I, Rivas-Pardo JA, Eckels EC, Echelman D, Valle-Orero J, Fernandez JM. A HaloTag Anchored Ruler for Week-Long Studies of Protein Dynamics. Journal of the American Chemical Society. PMID 27409974 DOI: 10.1021/Jacs.6B05429  0.785
2016 Rivas-Pardo JA, Eckels EC, Popa I, Kosuri P, Linke WA, Fernández JM. Work Done by Titin Protein Folding Assists Muscle Contraction. Cell Reports. PMID 26854230 DOI: 10.1016/J.Celrep.2016.01.025  0.807
2016 Rivas Pardo JA, Eckels EC, Popa I, Kosuri P, Linke WA, Fernandez JM. Protein Folding Drives Muscle Contraction Biophysical Journal. 110: 636a. DOI: 10.1016/J.Bpj.2015.11.3405  0.82
2016 Eckels EC, Andres Rivas-Pardo J, Valle-Orero J, Popa I, Fernandez JM. The Science of Stretching: Mechanical Anisotropy in Titin Ig Domains Biophysical Journal. 110: 393a. DOI: 10.1016/J.Bpj.2015.11.2123  0.809
2016 Valle-Orero J, Eckels EC, Popa I, Rivas-Pardo JA, Fernandez JM. Proving the Role of Entropic Elasticity in Protein Folding Biophysical Journal. 110: 180a. DOI: 10.1016/J.Bpj.2015.11.1005  0.838
2015 Saqlain F, Popa I, Fernández JM, Alegre-Cebollada J. A novel strategy for utilizing voice coil servoactuators in tensile tests of low volume protein hydrogels. Macromolecular Materials and Engineering. 300: 369-376. PMID 25960689 DOI: 10.1002/Mame.201400271  0.762
2015 Valle-Orero J, Eckels EC, Stirnemann G, Popa I, Berkovich R, Fernandez JM. The elastic free energy of a tandem modular protein under force. Biochemical and Biophysical Research Communications. 460: 434-8. PMID 25796331 DOI: 10.1016/J.Bbrc.2015.03.051  0.824
2015 Chen H, Yuan G, Winardhi RS, Yao M, Popa I, Fernandez JM, Yan J. Dynamics of equilibrium folding and unfolding transitions of titin immunoglobulin domain under constant forces. Journal of the American Chemical Society. 137: 3540-6. PMID 25726700 DOI: 10.1021/Ja5119368  0.727
2015 Rivas Pardo JA, Eckels EC, Popa I, Kosuri P, Linke WA, Fernández JM. Direct Observation of Titin Immunoglobulin Domain Unfolding-Refolding in Muscle Sarcomeres Biophysical Journal. 108: 170a. DOI: 10.1016/J.Bpj.2014.11.939  0.817
2015 Popa I, Rivas-Pardo JA, Eckels EC, Valle-Orero J, Kahn TB, Berkovich R, Stirnemann G, Chen H, Fernandez VI, Berne BJ, Yan J, Fernandez JM. Revisiting the Free Energy of Modular Proteins under Force Biophysical Journal. 108: 355a. DOI: 10.1016/J.Bpj.2014.11.1944  0.845
2014 Popa I, Berkovich R, Alegre-Cebollada J, Rivas-Pardo JA, Fernandez JM. Halotag Tethers to Study Titin Folding at the Single Molecule Level Biophysical Journal. 106: 391a. DOI: 10.1016/J.Bpj.2013.11.2211  0.791
2013 Popa I, Berkovich R, Alegre-Cebollada J, Badilla CL, Rivas-Pardo JA, Taniguchi Y, Kawakami M, Fernandez JM. Nanomechanics of HaloTag tethers. Journal of the American Chemical Society. 135: 12762-71. PMID 23909704 DOI: 10.1021/Ja4056382  0.83
2013 Popa I, Kosuri P, Alegre-Cebollada J, Garcia-Manyes S, Fernandez JM. Force dependency of biochemical reactions measured by single-molecule force-clamp spectroscopy. Nature Protocols. 8: 1261-76. PMID 23744288 DOI: 10.1038/Nprot.2013.056  0.821
2012 Berkovich R, Hermans RI, Popa I, Stirnemann G, Garcia-Manyes S, Berne BJ, Fernandez JM. Rate limit of protein elastic response is tether dependent. Proceedings of the National Academy of Sciences of the United States of America. 109: 14416-21. PMID 22895787 DOI: 10.1073/Pnas.1212167109  0.816
2012 Borkovec M, Szilagyi I, Popa I, Finessi M, Sinha P, Maroni P, Papastavrou G. Investigating forces between charged particles in the presence of oppositely charged polyelectrolytes with the multi-particle colloidal probe technique. Advances in Colloid and Interface Science. 179: 85-98. PMID 22795487 DOI: 10.1016/J.Cis.2012.06.005  0.808
2012 Sinha P, Popa I, Finessi M, Ruiz-Cabello FJ, Szilágyi I, Maroni P, Borkovec M. Exploring forces between individual colloidal particles with the atomic force microscope. Chimia. 66: 214-7. PMID 22613153 DOI: 10.2533/Chimia.2012.214  0.818
2012 Kosuri P, Popa I, Alegre-Cebollada J, Fernandez JM. Single Molecule Oxidative Folding Biophysical Journal. 102: 174a. DOI: 10.1016/J.Bpj.2011.11.943  0.812
2011 Popa I, Fernández JM, Garcia-Manyes S. Direct quantification of the attempt frequency determining the mechanical unfolding of ubiquitin protein. The Journal of Biological Chemistry. 286: 31072-9. PMID 21768096 DOI: 10.1074/Jbc.M111.264093  0.785
2011 Finessi M, Sinha P, Szilágyi I, Popa I, Maroni P, Borkovec M. Charge reversal of sulfate latex particles by adsorbed linear poly(ethylene imine) probed by multiparticle colloidal probe technique. The Journal of Physical Chemistry. B. 115: 9098-105. PMID 21688816 DOI: 10.1021/Jp203514R  0.807
2011 Mureşan L, Maroni P, Popa I, Porus M, Longtin R, Papastavrou G, Borkovec M. Conformational changes of polyamidoamine (PAMAM) dendrimers adsorbed on silica substrates Macromolecules. 44: 5069-5071. DOI: 10.1021/Ma201103N  0.761
2011 Popa I, Garcia-Manyes S, Fernandez JM. Temperature Dependence of the Mechanical Unfolding of Single Ubiquitin Proteins Biophysical Journal. 100: 398a. DOI: 10.1016/J.Bpj.2010.12.2362  0.802
2010 Popa I, Sinha P, Finessi M, Maroni P, Papastavrou G, Borkovec M. Importance of charge regulation in attractive double-layer forces between dissimilar surfaces. Physical Review Letters. 104: 228301. PMID 20867210 DOI: 10.1103/Physrevlett.104.228301  0.803
2010 Popa I, Zhang B, Maroni P, Schlüter AD, Borkovec M. Large mechanical response of single dendronized polymers induced by ionic strength. Angewandte Chemie (International Ed. in English). 49: 4250-3. PMID 20437442 DOI: 10.1002/Anie.201001032  0.526
2010 Popa I, Papastavrou G, Borkovec M. Charge regulation effects on electrostatic patch-charge attraction induced by adsorbed dendrimers. Physical Chemistry Chemical Physics : Pccp. 12: 4863-71. PMID 20428569 DOI: 10.1039/B925812D  0.658
2010 Popa I, Gillies G, Papastavrou G, Borkovec M. Attractive and repulsive electrostatic forces between positively charged latex particles in the presence of anionic linear polyelectrolytes. The Journal of Physical Chemistry. B. 114: 3170-7. PMID 20148528 DOI: 10.1021/Jp911482A  0.818
2010 Popa I, Papastavrou G, Borkovec M. Effective charge of adsorbed poly (amido amine) dendrimers: Transition from heterogeneous to homogeneous charge distribution Macromolecules. 43: 1129-1136. DOI: 10.1021/Ma902325B  0.569
2010 Jiang M, Popa I, Maroni P, Borkovec M. Adsorption of poly(l-lysine) on silica probed by optical reflectometry Colloids and Surfaces a: Physicochemical and Engineering Aspects. 360: 20-25. DOI: 10.1016/J.Colsurfa.2010.01.070  0.521
2009 Popa I, Trulsson M, Papastavrou G, Borkovec M, Jönsson B. Long-ranged attractive forces induced by adsorbed dendrimers: direct force measurements and computer simulations. Langmuir : the Acs Journal of Surfaces and Colloids. 25: 12435-8. PMID 19799402 DOI: 10.1021/La902617X  0.684
2009 Popa I, Gillies G, Papastavrou G, Borkovec M. Attractive electrostatic forces between identical colloidal particles induced by adsorbed polyelectrolytes. The Journal of Physical Chemistry. B. 113: 8458-61. PMID 19534560 DOI: 10.1021/Jp904041K  0.83
2007 Popa I, Cahill BP, Maroni P, Papastavrou G, Borkovec M. Thin adsorbed films of a strong cationic polyelectrolyte on silica substrates. Journal of Colloid and Interface Science. 309: 28-35. PMID 17303152 DOI: 10.1016/J.Jcis.2007.01.050  0.776
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