Garth J. Simpson - Publications

Affiliations: 
Chemistry Purdue University, West Lafayette, IN, United States 
Area:
detection and analysis of crystals formed from chiral molecules
Website:
http://www.chem.purdue.edu/people/faculty/faculty.asp?itemID=61

148 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
2021 Li C, Ding C, Li M, Rong J, Florian H, Simpson G. Depth-of-field extension in optical imaging for rapid crystal screening. Acta Crystallographica. Section D, Structural Biology. 77: 463-470. PMID 33825707 DOI: 10.1107/S2059798321000097  0.346
2020 Geiger AC, Smith CJ, Takanti N, Harmon DM, Carlsen MS, Simpson GJ. Anomalous Diffusion Characterization by Fourier Transform-FRAP with Patterned Illumination. Biophysical Journal. PMID 32771078 DOI: 10.1016/J.Bpj.2020.07.013  0.312
2019 Sherman AM, Geiger AC, Smith C, Taylor LS, Hinds J, Stroud P, Simpson GJ. Stochastic Differential Scanning Calorimetry by Nonlinear Optical Microscopy. Analytical Chemistry. PMID 31790194 DOI: 10.1021/Acs.Analchem.9B04300  0.371
2019 Sarkar S, Song Z, Griffin SR, Takanti N, Vogt AD, Ruggles A, Danzer GD, Simpson GJ. In situ Crystal Growth Rate Distributions of Active Pharmaceutical Ingredients. Molecular Pharmaceutics. PMID 31769985 DOI: 10.1021/Acs.Molpharmaceut.9B00937  0.386
2019 Ulcickas JRW, Simpson GJ. Mueller Tensor Nonlinear Optical Polarization Analysis in Turbid Media. The Journal of Physical Chemistry. B. PMID 31290672 DOI: 10.1021/Acs.Jpcb.9B04961  0.399
2019 Ding C, Li C, Deng F, Simpson GJ. Axially-offset differential interference contrast microscopy via polarization wavefront shaping. Optics Express. 27: 3837-3850. PMID 30876008 DOI: 10.1364/Oe.27.003837  0.357
2019 Griffin SR, Biechele-Speziale JA, Smith CJ, You-Dow X, White JK, Zhang SW, Novak J, Liu Z, Simpson GJ. Iterative Non-Negative Matrix Factorization Filter for Blind Deconvolution in Photon/Ion Counting. Analytical Chemistry. PMID 30856314 DOI: 10.1021/Acs.Analchem.9B00120  0.337
2019 Simpson GJ. Dynamic sampling for minimizing crystal damage prior to diffraction data collection Acta Crystallographica Section a Foundations and Advances. 75: a348-a348. DOI: 10.1107/S0108767319096612  0.328
2018 Ulcickas JRW, Ding C, Deng F, Simpson GJ. Spatially encoded polarization-dependent nonlinear optics. Optics Letters. 43: 5973-5976. PMID 30547983 DOI: 10.1364/Ol.43.005973  0.393
2018 Song Z, Sarkar S, Vogt AD, Danzer GD, Smith CJ, Gualtieri EJ, Simpson GJ. Correction to Kinetic Modeling of Accelerated Stability Testing Enabled by Second Harmonic Generation Microscopy. Analytical Chemistry. PMID 30346137 DOI: 10.1021/Acs.Analchem.8B04285  0.782
2018 Zhang S, Song Z, Godaliyadda GMDP, Ye DH, Chowdhury AU, Sengupta A, Buzzard GT, Bouman CA, Simpson GJ. Correction to Dynamic Sparse Sampling for Confocal Raman Microscopy. Analytical Chemistry. PMID 30303373 DOI: 10.1021/Acs.Analchem.8B04288  0.712
2018 Smith CJ, Dinh J, Schmitt PD, Stroud PA, Hinds J, Johnson M, Simpson G. EXPRESS: Calibration-Free Second Harmonic Generation (SHG) Image Analysis for Quantification of Trace Crystallinity within Final Dosage Forms of Amorphous Solid Dispersions. Applied Spectroscopy. 3702818786506. PMID 29896972 DOI: 10.1177/0003702818786506  0.33
2018 Smith CJ, Griffin SR, Eakins GS, Deng F, White JK, Thirunahari S, Ramakrishnan S, Sangupta A, Zhang SW, Novak J, Liu Z, Rhodes TA, Simpson GJ. Triboluminescence from Pharmaceutical Formulations. Analytical Chemistry. PMID 29694029 DOI: 10.1021/Acs.Analchem.8B01112  0.374
2018 Zhang S, Song Z, Godaliyadda GMDP, Ye DH, Chowdhury AU, Sengupta A, Buzzard GT, Bouman CA, Simpson GJ. Dynamic Sparse Sampling for Confocal Raman Microscopy. Analytical Chemistry. PMID 29521493 DOI: 10.1021/Acs.Analchem.7B04749  0.738
2018 Song Z, Sarkar S, Vogt AD, Danzer GD, Smith CJ, Gualtieri EJ, Simpson GJ. Kinetic Modeling of Accelerated Stability Testing Enabled by Second Harmonic Generation Microscopy. Analytical Chemistry. PMID 29505717 DOI: 10.1021/Acs.Analchem.7B04260  0.813
2017 Scarborough NM, Godaliyadda GMDP, Ye DH, Kissick DJ, Zhang S, Newman JA, Sheedlo MJ, Chowdhury A, Fischetti RF, Das C, Buzzard GT, Bouman CA, Simpson GJ. Synchrotron X-Ray Diffraction Dynamic Sampling for Protein Crystal Centering. Is&T International Symposium On Electronic Imaging. 2017: 6-9. PMID 29527589 DOI: 10.2352/Issn.2470-1173.2017.17.Coimg-415  0.797
2017 Ding C, Ulcickas JRW, Deng F, Simpson GJ. Second Harmonic Generation of Unpolarized Light. Physical Review Letters. 119: 193901. PMID 29219514 DOI: 10.1103/Physrevlett.119.193901  0.356
2017 Correa-Soto C, Trasi NS, Schmitt PD, Su Y, Liu Z, Miller E, Variankaval N, Marsac PJ, Simpson GJ, Taylor LS. Second harmonic generation microscopy as a tool for the early detection of crystallization in spray dried dispersions. Journal of Pharmaceutical and Biomedical Analysis. 146: 86-95. PMID 28866472 DOI: 10.1016/J.Jpba.2017.07.066  0.391
2017 Chowdhury AU, Ye DH, Song Z, Zhang S, Hedderich H, Mallick B, Thirunahari S, Ramakrishnan S, Sengupta A, Gualtieri EJ, Bouman CA, Simpson GJ. Second Harmonic Generation Guided Raman Spectroscopy for Sensitive Detection of Polymorph Transitions. Analytical Chemistry. PMID 28481538 DOI: 10.1021/Acs.Analchem.7B00431  0.798
2017 Scarborough NM, Godaliyadda GM, Ye DH, Kissick DJ, Zhang S, Newman JA, Sheedlo MJ, Chowdhury AU, Fischetti RF, Das C, Buzzard GT, Bouman CA, Simpson GJ. Dynamic X-ray diffraction sampling for protein crystal positioning. Journal of Synchrotron Radiation. 24: 188-195. PMID 28009558 DOI: 10.1107/S160057751601612X  0.812
2017 Deng F, Ding C, Martin JC, Scarborough NM, Song Z, Eakins GS, Simpson GJ. Spatial-spectral multiplexing for hyperspectral multiphoton fluorescence imaging Optics Express. 25: 32243. DOI: 10.1364/Oe.25.032243  0.319
2017 Geiger AC, Newman JA, Sreehari S, Sullivan SZ, Bouman CA, Simpson GJ. Sparse sampling image reconstruction in Lissajous trajectory beam-scanning multiphoton microscopy Proceedings of Spie. 10076: 1007606. DOI: 10.1117/12.2253514  0.704
2016 Dow XY, DeWalt EL, Newman JA, Dettmar CM, Simpson GJ. Unified Theory for Polarization Analysis in Second Harmonic and Sum Frequency Microscopy. Biophysical Journal. 111: 1553-1568. PMID 27705777 DOI: 10.1016/J.Bpj.2016.04.019  0.812
2016 Dow XY, DeWalt EL, Sullivan SZ, Schmitt PD, Ulcickas JR, Simpson GJ. Imaging the Nonlinear Susceptibility Tensor of Collagen by Nonlinear Optical Stokes Ellipsometry. Biophysical Journal. 111: 1361-1374. PMID 27705760 DOI: 10.1016/J.Bpj.2016.05.055  0.754
2016 Deng F, Ulcickas JR, Simpson GJ. Theoretical Foundation for Electric Dipole Allowed Chiral-Specific Fluorescence Optical Rotary Dispersion (F-ORD) from Interfacial Assemblies. The Journal of Physical Chemistry Letters. PMID 27689450 DOI: 10.1021/Acs.Jpclett.6B01814  0.335
2016 Newman JA, Simpson GJ. Nonlinear Optical Characterization of Membrane Protein Microcrystals and Nanocrystals. Advances in Experimental Medicine and Biology. 922: 91-103. PMID 27553237 DOI: 10.1007/978-3-319-35072-1_7  0.461
2016 Dow XY, Dettmar CM, DeWalt EL, Newman JA, Dow AR, Roy-Chowdhury S, Coe JD, Kupitz C, Fromme P, Simpson GJ. Second harmonic generation correlation spectroscopy for characterizing translationally diffusing protein nanocrystals. Acta Crystallographica. Section D, Structural Biology. 72: 849-859. PMID 27377382 DOI: 10.1107/S205979831600841X  0.823
2016 Newman JA, Zhang S, Sullivan SZ, Dow XY, Becker M, Sheedlo MJ, Stepanov S, Carlsen MS, Everly RM, Das C, Fischetti RF, Simpson GJ. Guiding synchrotron X-ray diffraction by multimodal video-rate protein crystal imaging. Journal of Synchrotron Radiation. 23: 959-965. PMID 27359145 DOI: 10.1107/S1600577516005919  0.763
2016 Schmitt PD, DeWalt EL, Dow XY, Simpson GJ. Rapid Discrimination of Polymorphic Crystal Forms by Nonlinear Optical Stokes Ellipsometric Microscopy. Analytical Chemistry. PMID 27092390 DOI: 10.1021/Acs.Analchem.6B00057  0.433
2016 Chowdhury AU, Zhang S, Simpson GJ. Powders Analysis by Second Harmonic Generation Microscopy. Analytical Chemistry. PMID 26929984 DOI: 10.1021/Acs.Analchem.5B04942  0.774
2016 Simpson GJ. Connection of Jones and Mueller Tensors in Second Harmonic Generation and Multi-Photon Fluorescence Measurements. The Journal of Physical Chemistry. B. PMID 26918624 DOI: 10.1021/Acs.Jpcb.5B11841  0.36
2016 Newman JA, Sullivan SZ, Dinh J, Sarkar S, Simpson GJ. Development of a temporal multiplexed 3D beam-scanning Lissajous trajectory microscope for rapid multimodal volumetric imaging Proceedings of Spie. 9713: 971312. DOI: 10.1117/12.2212991  0.718
2016 Dow XY, DeWalt EL, Sullivan SZ, Schmitt PD, Simpson GJ. Nonlinear optical Stokes ellipsometric (NOSE) microscopy for imaging the nonlinear susceptibility tensors of collagen Proceedings of Spie. 9712. DOI: 10.1117/12.2212944  0.752
2015 Muir RD, Pogranichniy NR, Muir JL, Sullivan SZ, Battaile KP, Mulichak AM, Toth SJ, Keefe LJ, Simpson GJ. Spectral X-Ray Diffraction using a 6 Megapixel Photon Counting Array Detector. Proceedings of Spie--the International Society For Optical Engineering. 9401: 940109. PMID 27041789 DOI: 10.1117/12.2079548  0.799
2015 Sullivan SZ, DeWalt EL, Schmitt PD, Muir RM, Simpson GJ. Synchronous-digitization for Video Rate Polarization Modulated Beam Scanning Second Harmonic Generation Microscopy. Proceedings of Spie--the International Society For Optical Engineering. 9330: 93300A. PMID 27041788 DOI: 10.1117/12.2079623  0.744
2015 Newman JA, Sullivan SZ, Muir RD, Sreehari S, Bouman CA, Simpson GJ. Multi-channel beam-scanning imaging at kHz frame rates by Lissajous trajectory microscopy. Proceedings of Spie--the International Society For Optical Engineering. 9330: 933009. PMID 27041787 DOI: 10.1117/12.2079212  0.706
2015 Hsu HY, Toth S, Simpson GJ, Harris MT. Drop Printing of Pharmaceuticals: Effect of Molecular Weight on PEG Coated-Naproxen/PEG3350 Solid Dispersions. Aiche Journal. American Institute of Chemical Engineers. 61: 4502-4508. PMID 27041744 DOI: 10.1002/Aic.14979  0.659
2015 Newman JA, Schmitt PD, Toth SJ, Deng F, Zhang S, Simpson GJ. Parts per Million Powder X-Ray Diffraction. Analytical Chemistry. PMID 26465382 DOI: 10.1021/Acs.Analchem.5B02758  0.675
2015 Dow XY, Sullivan SZ, Muir RD, Simpson GJ. Video-rate two-photon excited fluorescence lifetime imaging system with interleaved digitization. Optics Letters. 40: 3296-9. PMID 26176453 DOI: 10.1364/Ol.40.003296  0.707
2015 Newman JA, Scarborough NM, Pogranichniy NR, Shrestha RK, Closser RG, Das C, Simpson GJ. Intercalating dyes for enhanced contrast in second-harmonic generation imaging of protein crystals. Acta Crystallographica. Section D, Biological Crystallography. 71: 1471-7. PMID 26143918 DOI: 10.1107/S1399004715008287  0.453
2015 Schmitt PD, Trasi NS, Taylor LS, Simpson GJ. Finding the Needle in the Haystack: Characterization of Trace Crystallinity in a Commercial Formulation of Paclitaxel Protein-Bound Particles by Raman Spectroscopy Enabled by Second Harmonic Generation Microscopy. Molecular Pharmaceutics. 12: 2378-83. PMID 26066072 DOI: 10.1021/Acs.Molpharmaceut.5B00065  0.362
2015 Dettmar CM, Newman JA, Toth SJ, Becker M, Fischetti RF, Simpson GJ. Imaging local electric fields produced upon synchrotron X-ray exposure. Proceedings of the National Academy of Sciences of the United States of America. 112: 696-701. PMID 25552555 DOI: 10.1073/Pnas.1407771112  0.786
2015 Sullivan SZ, DeWalt EL, Schmitt PD, Muir RD, Simpson GJ. Synchronous-digitization for video rate polarization modulated beam scanning second harmonic generation microscopy Progress in Biomedical Optics and Imaging - Proceedings of Spie. 9330. DOI: 10.1117/12.2079623  0.69
2015 Muir RD, Pogranichniy NR, Muir JL, Sullivan SZ, Battaile KP, Mulichak AM, Toth SJ, Keefe LJ, Simpson GJ. Spectral x-ray diffraction using a 6 megapixel photon counting array detector Proceedings of Spie - the International Society For Optical Engineering. 9401. DOI: 10.1117/12.2079548  0.778
2015 Newman JA, Sullivan SZ, Muir RD, Sreehari S, Bouman CA, Simpson GJ. Multi-channel beam-scanning imaging at kHz frame rates by Lissajous trajectory microscopy Progress in Biomedical Optics and Imaging - Proceedings of Spie. 9330. DOI: 10.1117/12.2079212  0.663
2015 Becker M, Stepanov S, Newman JA, Sullivan S, Everly RM, Dettmar CM, Toth SJ, Schmitt PD, Corcoran S, Ferguson D, Fischetti RF, Simpson GJ. SONICC implementation at GM/CA-beamline 23IDB at the Advanced Photon Source Acta Crystallographica Section a Foundations and Advances. 71: s185-s185. DOI: 10.1107/S2053273315097296  0.754
2015 Toth SJ, Schmitt PD, Snyder GR, Trasi NS, Sullivan SZ, George IA, Taylor LS, Simpson GJ. Ab initio prediction of the diversity of second harmonic generation from pharmaceutically relevant materials Crystal Growth and Design. 15: 581-586. DOI: 10.1021/Acs.Cgd.5B00020  0.788
2015 Hsu HY, Harris MT, Toth S, Simpson GJ. Drop printing of pharmaceuticals: Effect of molecular weight on PEG coated-naproxen/PEG 3350 solid dispersions Aiche Journal. 61: 4502-4508. DOI: 10.1002/aic.14979  0.573
2014 Sullivan SZ, Muir RD, Newman JA, Carlsen MS, Sreehari S, Doerge C, Begue NJ, Everly RM, Bouman CA, Simpson GJ. High frame-rate multichannel beam-scanning microscopy based on Lissajous trajectories. Optics Express. 22: 24224-34. PMID 25321997 DOI: 10.1364/Oe.22.024224  0.804
2014 Muir RD, Pogranichney NR, Muir JL, Sullivan SZ, Battaile KP, Mulichak AM, Toth SJ, Keefe LJ, Simpson GJ. Linear fitting of multi-threshold counting data with a pixel-array detector for spectral X-ray imaging. Journal of Synchrotron Radiation. 21: 1180-7. PMID 25178010 DOI: 10.1107/S1600577514014167  0.79
2014 Jackson MJ, Toth SJ, Kestur US, Huang J, Qian F, Hussain MA, Simpson GJ, Taylor LS. Impact of polymers on the precipitation behavior of highly supersaturated aqueous danazol solutions. Molecular Pharmaceutics. 11: 3027-38. PMID 25105204 DOI: 10.1021/Mp500201S  0.647
2014 DeWalt EL, Sullivan SZ, Schmitt PD, Muir RD, Simpson GJ. Polarization-modulated second harmonic generation ellipsometric microscopy at video rate. Analytical Chemistry. 86: 8448-56. PMID 25050448 DOI: 10.1021/Ac502124V  0.745
2014 Snyder GR, Chowdhury AU, Simpson GJ. Exciton coupling model for the emergence of second harmonic generation from assemblies of centrosymmetric molecules. The Journal of Physical Chemistry. A. 118: 4301-8. PMID 24831741 DOI: 10.1021/Jp5003935  0.754
2014 Muir RD, Sullivan SZ, Oglesbee RA, Simpson GJ. Synchronous digitization for high dynamic range lock-in amplification in beam-scanning microscopy. The Review of Scientific Instruments. 85: 033703. PMID 24689588 DOI: 10.1063/1.4865116  0.711
2014 Sullivan SZ, Schmitt PD, Muir RD, DeWalt EL, Simpson GJ. Digital deconvolution filter derived from linear discriminant analysis and application for multiphoton fluorescence microscopy. Analytical Chemistry. 86: 3508-16. PMID 24559143 DOI: 10.1021/Ac404150D  0.689
2014 Chowdhury AU, Dettmar CM, Sullivan SZ, Zhang S, Jacobs KT, Kissick DJ, Maltais T, Hedderich HG, Bishop PA, Simpson GJ. Kinetic trapping of metastable amino acid polymorphs. Journal of the American Chemical Society. 136: 2404-12. PMID 24451055 DOI: 10.1021/Ja410293P  0.788
2014 Ghorab MK, Toth SJ, Simpson GJ, Mauer LJ, Taylor LS. Water-solid interactions in amorphous maltodextrin-crystalline sucrose binary mixtures. Pharmaceutical Development and Technology. 19: 247-56. PMID 23477494 DOI: 10.3109/10837450.2013.775157  0.655
2014 Sullivan SZ, Schmitt PD, Dewalt EL, Muir RD, Simpson GJ. Digital filter based on the Fisher linear discriminant to reduce dead-time paralysis in photon counting Proceedings of Spie - the International Society For Optical Engineering. 9020. DOI: 10.1117/12.2048875  0.695
2014 Becker M, Stepanov S, Dettmar C, Toth S, Newman J, Fischetti R, Simpson G. Towards User Operations of SONICC at GM/CA@APS Acta Crystallographica Section a Foundations and Advances. 70: C322-C322. DOI: 10.1107/S2053273314096776  0.82
2014 Toth S, Newman J, Schmitt P, Dettmar C, Zhang S, Taylor L, Simpson G. PPM Detection Limits in PXRD by Integrating Nonlinear Optics and Synchrotron XRD Acta Crystallographica Section a Foundations and Advances. 70: C1082-C1082. DOI: 10.1107/S2053273314089177  0.814
2014 Newman J, Scarborough N, Pogranichnyi N, Closser R, Simpson G. Protein Crystal Staining for Second Harmonic Generation Imaging Acta Crystallographica Section a Foundations and Advances. 70: C1154-C1154. DOI: 10.1107/S2053273314088457  0.434
2013 Kissick DJ, Muir RD, Sullivan SZ, Oglesbee RA, Simpson GJ. Real-time dynamic range and signal to noise enhancement in beam-scanning microscopy by integration of sensor characteristics, data acquisition hardware, and statistical methods. Proceedings of Spie--the International Society For Optical Engineering. 8657: 86570E. PMID 24817799 DOI: 10.1117/12.2008607  0.797
2013 Closser RG, Gualtieri EJ, Newman JA, Simpson GJ. Characterization of salt interferences in second-harmonic generation detection of protein crystals. Journal of Applied Crystallography. 46: 1903-1906. PMID 24282335 DOI: 10.1107/S0021889813027581  0.812
2013 Madden JT, Toth SJ, Dettmar CM, Newman JA, Oglesbee RA, Hedderich HG, Everly RM, Becker M, Ronau JA, Buchanan SK, Cherezov V, Morrow ME, Xu S, Ferguson D, Makarov O, ... ... Simpson GJ, et al. Integrated nonlinear optical imaging microscope for on-axis crystal detection and centering at a synchrotron beamline. Journal of Synchrotron Radiation. 20: 531-40. PMID 23765294 DOI: 10.1107/S0909049513007942  0.83
2013 Kissick DJ, Dettmar CM, Becker M, Mulichak AM, Cherezov V, Ginell SL, Battaile KP, Keefe LJ, Fischetti RF, Simpson GJ. Towards protein-crystal centering using second-harmonic generation (SHG) microscopy. Acta Crystallographica. Section D, Biological Crystallography. 69: 843-51. PMID 23633594 DOI: 10.1107/S0907444913002746  0.815
2013 Zhu Q, Toth SJ, Simpson GJ, Hsu HY, Taylor LS, Harris MT. Crystallization and dissolution behavior of naproxen/polyethylene glycol solid dispersions. The Journal of Physical Chemistry. B. 117: 1494-500. PMID 23320811 DOI: 10.1021/Jp3106716  0.699
2013 DeWalt EL, Begue VJ, Ronau JA, Sullivan SZ, Das C, Simpson GJ. Polarization-resolved second-harmonic generation microscopy as a method to visualize protein-crystal domains. Acta Crystallographica. Section D, Biological Crystallography. 69: 74-81. PMID 23275165 DOI: 10.1107/S0907444912042503  0.746
2013 Hsu HY, Toth SJ, Simpson GJ, Taylor LS, Harris MT. Effect of substrates on naproxen-polyvinylpyrrolidone solid dispersions formed via the drop printing technique. Journal of Pharmaceutical Sciences. 102: 638-48. PMID 23225152 DOI: 10.1002/Jps.23397  0.664
2013 Zhu Q, Toth SJ, Simpson GJ, Hsu H, Taylor LS, Harris MT. Correction to “Crystallization and Dissolution Behavior of Naproxen/Polyethylene Glycol Solid Dispersions” The Journal of Physical Chemistry B. 117: 5393-5393. DOI: 10.1021/Jp402805A  0.599
2013 Newman J, Toth S, Dettmar C, Becker M, Fischetti R, Simpson G. Integrated Nonlinear Optical Microscope for Crystal Centering on a Synchrotron X-ray Beamline Microscopy and Microanalysis. 19: 1058-1059. DOI: 10.1017/S1431927613007289  0.816
2013 Muir R, Sullivan S, Oglesbee R, Simpson G. Synchronous Digitization for Modulated Signal Analysis Microscopy and Microanalysis. 19: 806-807. DOI: 10.1017/S1431927613006028  0.68
2013 Muir R, Sullivan S, Oglesbee R, Simpson G. Synchronous Digitization and Signal to Noise Enhancement for General Modulated Signal Analysis Microscopy and Microanalysis. 19: 760-761. DOI: 10.1017/S1431927613005795  0.679
2013 Chowdhury A, Toth S, Simpson G, Taylor L. Study of active pharmaceutical ingredient (API) formulations with nonlinear optical (NLO) microscopy Microscopy and Microanalysis. 19: 280-281. DOI: 10.1017/S1431927613003395  0.806
2012 Haupert LM, DeWalt EL, Simpson GJ. Modeling the SHG activities of diverse protein crystals. Acta Crystallographica. Section D, Biological Crystallography. 68: 1513-21. PMID 23090400 DOI: 10.1107/S0907444912037638  0.796
2012 Kestur US, Wanapun D, Toth SJ, Wegiel LA, Simpson GJ, Taylor LS. Nonlinear optical imaging for sensitive detection of crystals in bulk amorphous powders. Journal of Pharmaceutical Sciences. 101: 4201-13. PMID 22847843 DOI: 10.1002/Jps.23280  0.71
2012 Toth SJ, Madden JT, Taylor LS, Marsac P, Simpson GJ. Selective imaging of active pharmaceutical ingredients in powdered blends with common excipients utilizing two-photon excited ultraviolet-fluorescence and ultraviolet-second order nonlinear optical imaging of chiral crystals. Analytical Chemistry. 84: 5869-75. PMID 22816778 DOI: 10.1021/Ac300917T  0.708
2012 Muir RD, Kissick DJ, Simpson GJ. Statistical connection of binomial photon counting and photon averaging in high dynamic range beam-scanning microscopy. Optics Express. 20: 10406-15. PMID 22535131 DOI: 10.1364/Oe.20.010406  0.722
2012 Dettmar C, Toth S, Becker M, Fischetti R, Simpson G. Integrated XRD/SONICC/TPE-UVF for identifying and centering of protein crystals Acta Crystallographica Section a Foundations of Crystallography. 68: s234-s234. DOI: 10.1107/S0108767312095463  0.786
2012 Simpson GJ. Second Harmonic Generation Correlation Spectroscopy for Nanocrystal Characterization Biophysical Journal. 102: 201a. DOI: 10.1016/J.Bpj.2011.11.1093  0.428
2012 Fromme P, Hunter M, Kupitz C, Kirian R, Fromme R, Barty A, Grotjohann I, Simpson G, Frank M, Dorner K, White T, Aquilla A, Ilme S, Chapman H, Spence JH. New Avenues for Structure Determination of Membrane Proteins Biophysical Journal. 102: 3a. DOI: 10.1016/J.Bpj.2011.11.029  0.355
2011 Haupert LM, Simpson GJ. Screening of protein crystallization trials by second order nonlinear optical imaging of chiral crystals (SONICC). Methods (San Diego, Calif.). 55: 379-86. PMID 22101350 DOI: 10.1016/J.Ymeth.2011.11.003  0.822
2011 Madden JT, DeWalt EL, Simpson GJ. Two-photon excited UV fluorescence for protein crystal detection. Acta Crystallographica. Section D, Biological Crystallography. 67: 839-46. PMID 21931215 DOI: 10.1107/S0907444911028253  0.428
2011 Haupert LM, Simpson GJ, Slipchenko LV. Computational investigation of amine-oxygen exciplex formation. The Journal of Physical Chemistry. A. 115: 10159-65. PMID 21812447 DOI: 10.1021/Jp205866A  0.753
2011 Wanapun D, Kestur US, Taylor LS, Simpson GJ. Single particle nonlinear optical imaging of trace crystallinity in an organic powder. Analytical Chemistry. 83: 4745-51. PMID 21598920 DOI: 10.1021/Ac1031397  0.479
2011 Kissick DJ, Wanapun D, Simpson GJ. Second-order nonlinear optical imaging of chiral crystals. Annual Review of Analytical Chemistry (Palo Alto, Calif.). 4: 419-37. PMID 21469954 DOI: 10.1146/Annurev.Anchem.111808.073722  0.779
2011 Gualtieri EJ, Guo F, Kissick DJ, Jose J, Kuhn RJ, Jiang W, Simpson GJ. Detection of membrane protein two-dimensional crystals in living cells. Biophysical Journal. 100: 207-14. PMID 21190673 DOI: 10.1016/J.Bpj.2010.10.051  0.805
2011 Madden JT, Hall VJ, Simpson GJ. Mining the polarization-dependence of nonlinear optical measurements. The Analyst. 136: 652-62. PMID 21076729 DOI: 10.1039/C0An00238K  0.681
2011 Simpson GJ. Crystal screening by second-order nonlinear optical imaging of chiral crystals (SONICC) Acta Crystallographica Section a Foundations of Crystallography. 67: C126-C126. DOI: 10.1107/S0108767311096930  0.324
2010 Kissick DJ, Muir RD, Simpson GJ. Statistical treatment of photon/electron counting: extending the linear dynamic range from the dark count rate to saturation. Analytical Chemistry. 82: 10129-34. PMID 21114249 DOI: 10.1021/Ac102219C  0.73
2010 Hall VJ, Simpson GJ. Direct observation of transient Ostwald crystallization ordering from racemic serine solutions. Journal of the American Chemical Society. 132: 13598-9. PMID 20828149 DOI: 10.1021/Ja106728C  0.68
2010 Wanapun D, Kestur US, Kissick DJ, Simpson GJ, Taylor LS. Selective detection and quantitation of organic molecule crystallization by second harmonic generation microscopy. Analytical Chemistry. 82: 5425-32. PMID 20515064 DOI: 10.1021/Ac100564F  0.78
2010 Kissick DJ, Gualtieri EJ, Simpson GJ, Cherezov V. Nonlinear optical imaging of integral membrane protein crystals in lipidic mesophases. Analytical Chemistry. 82: 491-7. PMID 20025250 DOI: 10.1021/Ac902139W  0.822
2010 Begue NJ, Simpson GJ. Chemically selective analysis of molecular monolayers by nonlinear optical stokes ellipsometry. Analytical Chemistry. 82: 559-66. PMID 20000785 DOI: 10.1021/Ac901832U  0.801
2010 Guo F, Gualtieri E, Simpson G, Jiang W. SONICC: A Novel Nonlinear Optical Detection Technique for 2D Celluar Crystallography Biophysical Journal. 98: 385a. DOI: 10.1016/J.Bpj.2009.12.2074  0.813
2009 Wanapun D, Hall VJ, Begue NJ, Grote JG, Simpson GJ. DNA-based polymers as chiral templates for second-order nonlinear optical materials. Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry. 10: 2674-8. PMID 19790203 DOI: 10.1002/Cphc.200900303  0.804
2009 Haupert LM, Simpson GJ. Chirality in nonlinear optics. Annual Review of Physical Chemistry. 60: 345-65. PMID 19046125 DOI: 10.1146/Annurev.Physchem.59.032607.093712  0.794
2009 Begue NJ, Everly RM, Hall VJ, Haupert L, Simpson GJ. Nonlinear optical Stokes ellipsometry. 2. Experimental demonstration Journal of Physical Chemistry C. 113: 10166-10175. DOI: 10.1021/Jp9013543  0.813
2009 Begue NJ, Moad AJ, Simpson GJ. Nonlinear optical Stokes ellipsometry. 1. Theoretical framework Journal of Physical Chemistry C. 113: 10158-10165. DOI: 10.1021/Jp810643N  0.81
2009 Simpson GJ. Associate Professor of Chemistry Biophysical Journal. 96: 338a. DOI: 10.1016/J.Bpj.2008.12.3820  0.429
2009 Begue NJ, Simpson GJ. Imaging nonlinear optical stokes ellipsometry for thin film and microparticle characterization Optics Infobase Conference Papers 0.773
2008 Wampler RD, Kissick DJ, Dehen CJ, Gualtieri EJ, Grey JL, Wang HF, Thompson DH, Cheng JX, Simpson GJ. Selective detection of protein crystals by second harmonic microscopy. Journal of the American Chemical Society. 130: 14076-7. PMID 18831587 DOI: 10.1021/Ja805983B  0.8
2008 Zhu H, Coleman DM, Dehen CJ, Geisler IM, Zemlyanov D, Chmielewski J, Simpson GJ, Wei A. Assembly of dithiocarbamate-anchored monolayers on gold surfaces in aqueous solutions. Langmuir : the Acs Journal of Surfaces and Colloids. 24: 8660-6. PMID 18616309 DOI: 10.1021/La801254B  0.775
2008 Cheng X, Gurkan UA, Dehen CJ, Tate MP, Hillhouse HW, Simpson GJ, Akkus O. An electrochemical fabrication process for the assembly of anisotropically oriented collagen bundles. Biomaterials. 29: 3278-88. PMID 18472155 DOI: 10.1016/J.Biomaterials.2008.04.028  0.783
2008 Davis RP, Moad AJ, Goeken GS, Wampler RD, Simpson GJ. Selection rules and symmetry relations for four-wave mixing measurements of uniaxial assemblies. The Journal of Physical Chemistry. B. 112: 5834-48. PMID 18419167 DOI: 10.1021/Jp709961K  0.771
2008 Hilton AM, Jacobson KW, Lynch BP, Simpson GJ. Enhanced local oxidation of silicon using a conducting atomic force microscope in water Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures. 26: 47-51. DOI: 10.1116/1.2819256  0.753
2008 Halter M, Liao Y, Plocinik RM, Coffey DC, Bhattacharjee S, Mazur U, Simpson GJ, Robinson BH, Keller SL. Molecular self-assembly of mixed high-beta zwitterionic and neutral ground-state NLO chromophores Chemistry of Materials. 20: 1778-1787. DOI: 10.1021/Cm702267Z  0.777
2008 Wampler RD, Begue NJ, Simpson GJ. Molecular design strategies for optimizing the nonlinear optical properties of chiral crystals Crystal Growth and Design. 8: 2589-2594. DOI: 10.1021/Cg700732N  0.809
2008 Gualtieri EJ, Haupert LM, Simpson GJ. Interpreting nonlinear optics of biopolymer assemblies: Finding a hook Chemical Physics Letters. 465: 167-174. DOI: 10.1016/J.Cplett.2008.09.022  0.81
2008 Wanapun D, Wampler RD, Begue NJ, Simpson GJ. Polarization-dependent two-photon absorption for the determination of protein secondary structure: A theoretical study Chemical Physics Letters. 455: 6-12. DOI: 10.1016/J.Cplett.2008.02.056  0.776
2007 Wampler RD, Moad AJ, Moad CW, Heiland R, Simpson GJ. Visual methods for interpreting optical nonlinearity at the molecular level. Accounts of Chemical Research. 40: 953-60. PMID 17713964 DOI: 10.1021/Ar600055T  0.795
2007 Dehen CJ, Everly RM, Plocinik RM, Hedderich HG, Simpson GJ. Discrete retardance second harmonic generation ellipsometry. The Review of Scientific Instruments. 78: 013106. PMID 17503906 DOI: 10.1063/1.2400011  0.8
2007 Moad AJ, Moad CW, Perry JM, Wampler RD, Goeken GS, Begue NJ, Shen T, Heiland R, Simpson GJ. NLOPredict: visualization and data analysis software for nonlinear optics. Journal of Computational Chemistry. 28: 1996-2002. PMID 17450566 DOI: 10.1002/Jcc.20706  0.808
2006 Wampler RD, Zhou M, Thompson DH, Simpson GJ. Mechanism of the chiral SHG activity of bacteriorhodopsin films. Journal of the American Chemical Society. 128: 10994-5. PMID 16925395 DOI: 10.1021/Ja062671O  0.352
2006 Lynch BP, Hilton AM, Simpson GJ. Nanoscale dielectrophoretic spectroscopy of individual immobilized mammalian blood cells. Biophysical Journal. 91: 2678-86. PMID 16798803 DOI: 10.1529/Biophysj.106.082412  0.779
2006 Simpson GJ. Biological imaging: the diffraction barrier broken. Nature. 440: 879-80. PMID 16612370 DOI: 10.1038/440879A  0.351
2005 Perry JM, Moad AJ, Begue NJ, Wampler RD, Simpson GJ. Electronic and vibrational second-order nonlinear optical properties of protein secondary structural motifs. The Journal of Physical Chemistry. B. 109: 20009-26. PMID 16853586 DOI: 10.1021/Jp0506888  0.805
2005 Moad AJ, Simpson GJ. Self-consistent approach for simplifying the molecular interpretation of nonlinear optical and multiphoton phenomena. The Journal of Physical Chemistry. A. 109: 1316-23. PMID 16833446 DOI: 10.1021/Jp045866W  0.787
2005 Hilton AM, Lynch BP, Simpson GJ. Reduction of tip-sample contact using dielectrophoretic force scanning probe microscopy. Analytical Chemistry. 77: 8008-12. PMID 16351149 DOI: 10.1021/Ac051384K  0.781
2005 Lynch BP, Hilton AM, Doerge CH, Simpson GJ. Dielectrophoretic force microscopy of aqueous interfaces. Langmuir : the Acs Journal of Surfaces and Colloids. 21: 1436-40. PMID 15697292 DOI: 10.1021/La0484366  0.785
2005 Simpson GJ, Dailey CA, Plocinik RM, Moad AJ, Polizzi MA, Everly RM. Direct determination of effective interfacial optical constants by nonlinear optical null ellipsometry of chiral films. Analytical Chemistry. 77: 215-24. PMID 15623299 DOI: 10.1021/Ac049203M  0.808
2005 Plocinik RM, Simpson GJ. Nonlinear optical ellipsometric studies of chiral systems Optics Infobase Conference Papers. DOI: 10.1364/Fio.2005.Jwa6  0.807
2005 Simpson GJ. Chiral phenomena in nonlinear optics Optics Infobase Conference Papers. DOI: 10.1364/Fio.2005.Jtue5  0.344
2005 Plocinik RM, Everly RM, Moad AJ, Simpson GJ. Modular ellipsometric approach for mining structural information from nonlinear optical polarization analysis Physical Review B - Condensed Matter and Materials Physics. 72. DOI: 10.1103/Physrevb.72.125409  0.8
2004 Simpson GJ. Molecular origins of the remarkable chiral sensitivity of second-order nonlinear optics. Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry. 5: 1301-10. PMID 15499846 DOI: 10.1002/Cphc.200300959  0.418
2004 Polizzi MA, Plocinik RM, Simpson GJ. Ellipsometric approach for the real-time detection of label-free protein adsorption by second harmonic generation. Journal of the American Chemical Society. 126: 5001-7. PMID 15080706 DOI: 10.1021/Ja031627V  0.807
2004 Simpson GJ. Exploiting polarization in nonlinear optical measurements of biological interfaces Frontiers in Optics. DOI: 10.1364/Fio.2004.Ftug38  0.421
2004 Simpson GJ, Moad AJ. The molecular origins of optical nonlinearity: Beyond charge-transfer effects Proceedings of Spie - the International Society For Optical Engineering. 5517: 106-115. DOI: 10.1117/12.559542  0.75
2004 Simpson GJ, Plocinik RM. Exploiting polarization in nonlinear optical surface spectroscopy Proceedings of Spie - the International Society For Optical Engineering. 5510: 97-106. DOI: 10.1117/12.559538  0.79
2004 Moad AJ, Simpson GJ. A unified treatment of selection rules and symmetry relations for sum-frequency and second harmonic spectroscopies Journal of Physical Chemistry B. 108: 3548-3562. DOI: 10.1021/Jp035362I  0.771
2004 Simpson GJ, Perry JM, Moad AJ, Wampler RD. Uncoupled oscillator model for interpreting second harmonic generation measurements of oriented chiral systems Chemical Physics Letters. 399: 26-32. DOI: 10.1016/J.Cplett.2004.09.123  0.79
2004 Dailey CA, Burke BJ, Simpson GJ. The general failure of Kleinman symmetry in practical nonlinear optical applications Chemical Physics Letters. 390: 8-13. DOI: 10.1016/J.Cplett.2004.03.109  0.387
2003 Burke BJ, Moad AJ, Polizzi MA, Simpson GJ. Experimental confirmation of the importance of orientation in the anomalous chiral sensitivity of second harmonic generation. Journal of the American Chemical Society. 125: 9111-5. PMID 15369368 DOI: 10.1021/Ja0298500  0.777
2003 Plocinik RM, Simpson GJ. Polarization characterization in surface second harmonic generation by nonlinear optical null ellipsometry Analytica Chimica Acta. 496: 133-142. DOI: 10.1016/S0003-2670(03)00994-2  0.805
2002 Simpson GJ, Wilson CF, Gericke KH, Zare RN. Coupled electrorotation: two proximate microspheres spin in registry with an AC electric field. Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry. 3: 416-23. PMID 12465501 DOI: 10.1002/1439-7641(20020517)3:5<416::Aid-Cphc416>3.0.Co;2-K  0.653
2002 Wilson CF, Wallace MI, Morishima K, Simpson GJ, Zare RN. Coupled electrorotation of polymer microspheres for microfluidic sensing and mixing. Analytical Chemistry. 74: 5099-104. PMID 12380836 DOI: 10.1021/Ac0258599  0.63
2002 Simpson GJ, Perry JM, Ashmore-Good CL. Molecular and surface hyperpolarizability of oriented chromophores of low symmetry Physical Review B - Condensed Matter and Materials Physics. 66: 1654371-16543710. DOI: 10.1103/Physrevb.66.165437  0.367
2002 Simpson GJ, Wohland T, Zare RN. Irradiation of Dye-Doped Microspheres with a Strongly Focused Laser Beam Results in Alignment upon Optical Trapping Nano Letters. 2: 207-210. DOI: 10.1021/Nl015632D  0.458
2001 Wilson CF, Simpson GJ, Chiu DT, Strömberg A, Orwar O, Rodriguez N, Zare RN. Nanoengineered structures for holding and manipulating liposomes and cells. Analytical Chemistry. 73: 787-91. PMID 11248893 DOI: 10.1021/Ac001020M  0.754
2000 Simpson GJ, Rowlen KL. Measurement of orientation in organic thin films. Accounts of Chemical Research. 33: 781-9. PMID 11087315 DOI: 10.1021/ar0000307  0.588
2000 Simpson GJ, Rowlen KL. Orientation-insensitive methodology for second harmonic generation. 2. Application to adsorption isotherm and kinetics measurements Analytical Chemistry. 72: 3407-11. PMID 10952519 DOI: 10.1021/Ac000347K  0.614
2000 Simpson GJ, Rowlen KL. Orientation-insensitive methodology for second harmonic generation. 1. Theory Analytical Chemistry. 72: 3399-406. PMID 10952518 DOI: 10.1021/Ac000346S  0.635
2000 Simpson GJ, Westerbuhr SG, Rowlen KL. Molecular orientation and angular distribution probed by angle-resolved absorbance and second harmonic generation Analytical Chemistry. 72: 887-98. PMID 10739189 DOI: 10.1021/Ac9912956  0.788
2000 Simpson GJ, Rowlen KL. Influence of substrate roughness on orientation measurements by second-harmonic generation Chemical Physics Letters. 317: 276-281. DOI: 10.1016/S0009-2614(99)01407-4  0.621
1999 Simpson GJ, Sedin DL, Rowlen KL. Surface Roughness by Contact versus Tapping Mode Atomic Force Microscopy Langmuir. 15: 1429-1434. DOI: 10.1021/La981024A  0.771
1999 Simpson GJ, Rowlen KL. Molecular orientation at surfaces: Surface roughness contributions to measurements based on linear dichroism Journal of Physical Chemistry B. 103: 3800-3811. DOI: 10.1021/Jp983912K  0.618
1999 Simpson GJ, Rowlen KL. Quantification of “Local” Surface Orientation:  Theory and Experiment The Journal of Physical Chemistry B. 103: 1525-1531. DOI: 10.1021/Jp983396Y  0.594
1999 Simpson GJ, Rowlen KL. An SHG magic angle: Dependence of second harmonic generation orientation measurements on the width of the orientation distribution [20] Journal of the American Chemical Society. 121: 2635-2636. DOI: 10.1021/Ja983683F  0.615
1999 Simpson GJ, Rowlen KL. Evaluation of molecular-scale roughness at liquid interfaces Chemical Physics Letters. 309: 117-122. DOI: 10.1016/S0009-2614(99)00672-7  0.579
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