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Sripad Ram, Ph.D. - Publications

Affiliations: 
2007 Biomedical Engineering University of Texas at Arlington, Arlington, TX, United States 
Area:
Biomedical, General
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58 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
2019 Ram S. Information theoretic analysis of hyperspectral imaging systems with applications to fluorescence microscopy. Biomedical Optics Express. 10: 3380-3403. PMID 31467784 DOI: 10.1364/BOE.10.003380  0.329
2017 Velmurugan R, Chao J, Ram S, Ward ES, Ober RJ. Intensity-based axial localization approaches for multifocal plane microscopy. Optics Express. 25: 3394-3410. PMID 28241554 DOI: 10.1364/Oe.25.003394  0.613
2016 Velmurugan R, Challa DK, Ram S, Ober RJ, Ward ES. Macrophage-mediated trogocytosis leads to death of antibody-opsonized tumor cells. Molecular Cancer Therapeutics. PMID 27226489 DOI: 10.1158/1535-7163.Mct-15-0335  0.538
2016 Chao J, Ram S, Ward ES, Ober RJ. Investigating the usage of point spread functions in point source and microsphere localization. Proceedings of Spie--the International Society For Optical Engineering. 9713. PMID 27141148 DOI: 10.1117/12.2208631  0.67
2016 Velmurugan R, Challa D, Ram S, Ober R, Ward ES. Abstract B089: Macrophage-mediated trogocytosis leads to death of antibody-opsonized tumor cells Cancer Immunology Research. 4. DOI: 10.1158/2326-6074.Cricimteatiaacr15-B089  0.318
2016 Velmurugan R, Challa DK, Ram S, Ober RJ, Ward ES. Abstract PR08: Macrophage-mediated trogocytosis leads to death of antibody-opsonized tumor cells Cancer Research. 76. DOI: 10.1158/1538-7445.Fbcr15-Pr08  0.561
2016 Velmurugan R, Challa D, Ram S, Ober RJ, Ward ES. Abstract 597: Defining the role of macrophage mediated trogocytosis in the clearance of antibody-opsonized tumor cells Cancer Research. 76: 597-597. DOI: 10.1158/1538-7445.Am2016-597  0.547
2015 Chao J, Ram S, Lee T, Ward ES, Ober RJ. Investigation of the numerics of point spread function integration in single molecule localization. Optics Express. 23: 16866-83. PMID 26191698 DOI: 10.1364/Oe.23.016866  0.666
2015 Ober RJ, Tahmasbi A, Ram S, Lin Z, Ward ES. Quantitative Aspects of Single Molecule Microscopy. Ieee Signal Processing Magazine. 32: 58-69. PMID 26167102 DOI: 10.1109/Msp.2014.2353664  0.674
2015 Tahmasbi A, Ram S, Chao J, Abraham AV, Ward ES, Ober RJ. An information-theoretic approach to designing the plane spacing for multifocal plane microscopy. Proceedings of Spie--the International Society For Optical Engineering. 9330. PMID 26113764 DOI: 10.1117/12.2076769  0.665
2014 Ram S, Kim D, Ober RJ, Ward ES. The level of HER2 expression is a predictor of antibody-HER2 trafficking behavior in cancer cells. Mabs. 6: 1211-9. PMID 25517306 DOI: 10.4161/Mabs.29865  0.533
2014 Tahmasbi A, Ram S, Chao J, Abraham AV, Tang FW, Ward ES, Ober RJ. Designing the focal plane spacing for multifocal plane microscopy. Optics Express. 22: 16706-21. PMID 25090489 DOI: 10.1364/Oe.22.016706  0.645
2013 Chao J, Ram S, Ward ES, Ober RJ. Two approximations for the geometric model of signal amplification in an electron-multiplying charge-coupled device detector. Proceedings of Spie--the International Society For Optical Engineering. 8589: 858905. PMID 25075263 DOI: 10.1117/12.2004621  0.644
2013 Ram S, Ward ES, Ober RJ. A stochastic analysis of distance estimation approaches in single molecule microscopy - quantifying the resolution limits of photon-limited imaging systems. Multidimensional Systems and Signal Processing. 24: 503-542. PMID 24932067 DOI: 10.1007/S11045-012-0175-6  0.649
2013 Devanaboyina SC, Lynch SM, Ober RJ, Ram S, Kim D, Puig-Canto A, Breen S, Kasturirangan S, Fowler S, Peng L, Zhong H, Jermutus L, Wu H, Webster C, Ward ES, et al. The effect of pH dependence of antibody-antigen interactions on subcellular trafficking dynamics. Mabs. 5: 851-9. PMID 24492341 DOI: 10.4161/Mabs.26389  0.508
2013 Chao J, Ram S, Ward ES, Ober RJ. Ultrahigh accuracy imaging modality for super-localization microscopy. Nature Methods. 10: 335-8. PMID 23455923 DOI: 10.1038/Nmeth.2396  0.657
2013 Gan Z, Ram S, Ober RJ, Ward ES. Using multifocal plane microscopy to reveal novel trafficking processes in the recycling pathway. Journal of Cell Science. 126: 1176-88. PMID 23345403 DOI: 10.1242/Jcs.116327  0.587
2013 Chao J, Ram S, Ober R, Ward ES. Low-light imaging method provides highly accurate molecule localization Spie Newsroom. DOI: 10.1117/2.1201306.004918  0.641
2013 Ram S, Kim D, Ward ES, Ober RJ. Fast 3D Single Molecule Tracking with Multifocal Plane Microscopy in Polarized Epithelia Reveals a Novel Cellular Process of Intercellular Transfer Biophysical Journal. 104: 535a. DOI: 10.1016/J.Bpj.2012.11.2962  0.712
2012 Ram S, Ward ES, Ober RJ. 3D single molecule tracking and superresolution microscopy using multifocal plane microscopy. Proceedings / Ieee International Symposium On Biomedical Imaging: From Nano to Macro. Ieee International Symposium On Biomedical Imaging. 2012: 914-915. PMID 24443677 DOI: 10.1109/ISBI.2012.6235702  0.631
2012 Ram S, Kim D, Ober RJ, Ward ES. 3D single molecule tracking with multifocal plane microscopy reveals rapid intercellular transferrin transport at epithelial cell barriers. Biophysical Journal. 103: 1594-603. PMID 23062352 DOI: 10.1016/J.Bpj.2012.08.054  0.66
2012 Kim D, Ober RJ, Ram S, Ward E. 3D single molecule tracking of rapid intracellular trafficking imaged by multifocal plane microscopy Microscopy and Microanalysis. 18: 146-147. DOI: 10.1017/S1431927612002589  0.698
2012 Velmurugan R, Ram S, Abraham AV, Chao J, Grosso A, Ward ES, Ober RJ. Evaluation of Quantitative Approaches for High Precision 3D Single Particle Tracking in Thick Cellular Specimens using Multifocal Plane Microscopy Biophysical Journal. 102: 194a. DOI: 10.1016/J.Bpj.2011.11.1057  0.678
2011 Anthony SM, Abraham AV, Chao J, Ram S, Ward ES, Ober RJ. Point Spread Diffraction Patterns and Super-Resolution Particle Localization Biophysical Journal. 100: 139a. DOI: 10.1016/J.Bpj.2010.12.964  0.662
2011 Ram S, Ward ES, Ober RJ. 3D Single Molecule Tracking in Thick Cellular Samples using Multifocal Plane Microscopy Biophysical Journal. 100: 355a. DOI: 10.1016/J.Bpj.2010.12.2132  0.7
2010 Abraham AV, Ram S, Chao J, Ward ES, Ober RJ. Comparison of estimation algorithms in single-molecule localization. Proceedings of Spie--the International Society For Optical Engineering. 7570: 757004. PMID 24349658 DOI: 10.1117/12.842178  0.624
2010 Ram S, Prabhat P, Chao J, Ward ES, Ober RJ. 3D single molecule tracking of quantum-dot labeled antibody molecules using multifocal plane microscopy. Proceedings of Spie--the International Society For Optical Engineering. 7575. PMID 22916318 DOI: 10.1117/12.848940  0.714
2010 Chao J, Ram S, Ward ES, Ober RJ. Comparison of Three-Dimensional Imaging Configurations for High Resolution Microscopy Measurements Biophysical Journal. 98: 588a. DOI: 10.1016/J.Bpj.2009.12.3199  0.693
2009 Ram S, Prabhat P, Ward ES, Ober RJ. Dual objective fluorescence microscopy for single molecule imaging applications. Proceedings of Spie--the International Society For Optical Engineering. 7184: 71840C. PMID 22905311 DOI: 10.1117/12.808259  0.676
2009 Chao J, Ram S, Abraham AV, Ward ES, Ober RJ. A resolution measure for three-dimensional microscopy. Optics Communications. 282: 1751-1761. PMID 20161040 DOI: 10.1016/J.Optcom.2009.01.062  0.678
2009 Chao J, Ram S, Ward ES, Ober RJ. A 3D Resolution Measure for Optical Microscopy. Proceedings / Ieee International Symposium On Biomedical Imaging: From Nano to Macro. Ieee International Symposium On Biomedical Imaging. 5193252: 1115. PMID 20126419 DOI: 10.1109/ISBI.2009.5193252  0.635
2009 Chao J, Ram S, Ward ES, Ober RJ. A comparative study of high resolution microscopy imaging modalities using a three-dimensional resolution measure. Optics Express. 17: 24377-402. PMID 20052148 DOI: 10.1364/Oe.17.024377  0.7
2009 Abraham AV, Ram S, Chao J, Ward ES, Ober RJ. Quantitative study of single molecule location estimation techniques. Optics Express. 17: 23352-73. PMID 20052043 DOI: 10.1364/Oe.17.023352  0.633
2009 Ram S, Prabhat P, Ward ES, Ober RJ. Improved single particle localization accuracy with dual objective multifocal plane microscopy. Optics Express. 17: 6881-98. PMID 19365515 DOI: 10.1364/Oe.17.006881  0.672
2009 Gan Z, Ram S, Vaccaro C, Ober RJ, Ward ES. Analyses of the recycling receptor, FcRn, in live cells reveal novel pathways for lysosomal delivery. Traffic (Copenhagen, Denmark). 10: 600-14. PMID 19192244 DOI: 10.1111/J.1600-0854.2009.00887.X  0.525
2009 Gan Z, Ram S, Vaccaro C, Ober RJ, Ward E. High Resolution Live-Cell Imaging Reveals Novel Pathways for Lysosomal Delivery Biophysical Journal. 96: 132a. DOI: 10.1016/J.Bpj.2008.12.599  0.547
2009 Ram S, Prabhat P, Ward ES, Ober RJ. Dual Objective Multifocal Plane Microscopy for Single Particle/Molecule Imaging Applications Biophysical Journal. 96: 374a. DOI: 10.1016/J.Bpj.2008.12.2814  0.693
2009 Abraham AV, Ram S, Chao J, Ward ES, Ober RJ. Quantitative Study Of Single Molecule Localization Techniques Biophysical Journal. 96: 27a. DOI: 10.1016/J.Bpj.2008.12.030  0.654
2009 Abraham AV, Ram S, Chao J, Ward E, Ober RJ. EstimationTool And FandPLimittool - User-friendly Software Packages For Single Molecule Localization/Resolution And Accuracy Calculations. Biophysical Journal. 96: 27a. DOI: 10.1016/J.Bpj.2008.12.028  0.656
2008 Ram S, Prabhat P, Chao J, Abraham AV, Ward ES, Ober RJ. Localizing single molecules in three dimensions - a brief review. Conference Record / Asilomar Conference On Signals, Systems & Computers. Asilomar Conference On Signals, Systems & Computers. 64-66. PMID 21887405 DOI: 10.1109/ACSSC.2008.5074362  0.678
2008 Chao J, Ram S, Ward ES, Ober RJ. 3D RESOLUTION MEASURE FOR MULTIFOCAL PLANE MICROSCOPY. Proceedings / Ieee International Symposium On Biomedical Imaging: From Nano to Macro. Ieee International Symposium On Biomedical Imaging. 4541252: 1339-1342. PMID 20198116 DOI: 10.1109/ISBI.2008.4541252  0.638
2008 Ram S, Prabhat P, Chao J, Ward ES, Ober RJ. High accuracy 3D quantum dot tracking with multifocal plane microscopy for the study of fast intracellular dynamics in live cells. Biophysical Journal. 95: 6025-43. PMID 18835896 DOI: 10.1529/Biophysj.108.140392  0.682
2008 Ram S, Chao J, Prabhat P, Ward ES, Ober RJ. Overcoming the depth discrimination barrier in widefield microscopes: 3D single molecule tracking with high axial accuracy Progress in Biomedical Optics and Imaging - Proceedings of Spie. 6862. DOI: 10.1117/12.763097  0.709
2008 Chao J, Ram S, Abraham AV, Ward ES, Ober RJ. Resolution in 3D in multifocal plane microscopy Progress in Biomedical Optics and Imaging - Proceedings of Spie. 6861. DOI: 10.1117/12.763084  0.71
2007 Prabhat P, Gan Z, Chao J, Ram S, Vaccaro C, Gibbons S, Ober RJ, Ward ES. Elucidation of intracellular recycling pathways leading to exocytosis of the Fc receptor, FcRn, by using multifocal plane microscopy. Proceedings of the National Academy of Sciences of the United States of America. 104: 5889-94. PMID 17384151 DOI: 10.1073/Pnas.0700337104  0.605
2007 Ram S, Abraham AV, Ward ES, Ober RJ. A novel 3D resolution measure for optical microscopes with applications to single molecule imaging Progress in Biomedical Optics and Imaging - Proceedings of Spie. 6444. DOI: 10.1117/12.698765  0.691
2007 Ram S, Chao J, Prabhat P, Ward ES, Ober RJ. A novel approach to determining the three-dimensional location of microscopic objects with applications to 3D particle tracking Progress in Biomedical Optics and Imaging - Proceedings of Spie. 6443. DOI: 10.1117/12.698763  0.691
2007 Ram S, Sally Ward E, Ober RJ. Breaking the resolution barrier in optical microscopy: A new resolution messure with applications to single molecule imaging 2007 4th Ieee International Symposium On Biomedical Imaging: From Nano to Macro - Proceedings. 928-931. DOI: 10.1109/ISBI.2007.357005  0.64
2006 Ram S, Ward ES, Ober RJ. Beyond Rayleigh's criterion: a resolution measure with application to single-molecule microscopy. Proceedings of the National Academy of Sciences of the United States of America. 103: 4457-62. PMID 16537357 DOI: 10.1073/Pnas.0508047103  0.651
2006 Ram S, Ward ES, Ober RJ. A novel stochastic resolution criterion for fluorescence microscopes Proceedings of Spie - the International Society For Optical Engineering. 6090. DOI: 10.1117/12.644360  0.635
2006 Prabhat P, Ram S, Ward ES, Ober RJ. Simultaneous imaging of several focal planes in fluorescence microscopy for the study of cellular dynamics in 3D Proceedings of Spie - the International Society For Optical Engineering. 6090. DOI: 10.1117/12.644343  0.662
2006 Ram S, Sally Ward E, Ober RJ. A Stochastic Analysis of Performance Limits for Optical Microscopes Multidimensional Systems and Signal Processing. 17: 27-57. DOI: 10.1007/S11045-005-6237-2  0.644
2006 Ram S, Ward ES, Ober RJ. A novel resolution measure for optical microscopes: Stochastic analysis of the performance limits 2006 3rd Ieee International Symposium On Biomedical Imaging: From Nano to Macro - Proceedings. 2006: 770-773.  0.584
2005 Ram S, Ward ES, Ober RJ. How accurately can a single molecule be localized in three dimensions using a fluorescence microscope? Proceedings of Spie--the International Society For Optical Engineering. 5699: 426-435. PMID 20448826 DOI: 10.1117/12.587878  0.674
2004 Ram S, Ward ES, Ober RJ. HOW ACCURATELY CAN A SINGLE MOLECULE BE LOCALIZED WHEN IMAGED THROUGH AN OPTICAL MICROSCOPE? Proceedings / Ieee International Symposium On Biomedical Imaging: From Nano to Macro. Ieee International Symposium On Biomedical Imaging. 2: 1087-1090. PMID 20046822 DOI: 10.1109/ISBI.2004.1398731  0.611
2004 Prabhat P, Ram S, Ward ES, Ober RJ. Simultaneous imaging of different focal planes in fluorescence microscopy for the study of cellular dynamics in three dimensions. Ieee Transactions On Nanobioscience. 3: 237-42. PMID 15631134 DOI: 10.1109/Tnb.2004.837899  0.645
2004 Ober RJ, Ram S, Ward ES. Localization accuracy in single-molecule microscopy. Biophysical Journal. 86: 1185-200. PMID 14747353 DOI: 10.1016/S0006-3495(04)74193-4  0.655
2004 Ober RJ, Ram S, Ward ES. Erratum: Localization accuracy in single-molecule microscopy (Biophysical Journal 86 (1185-1200)) Biophysical Journal. 87. DOI: 10.1529/Biophysj.104.900103  0.624
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