Richard D. Leapman - Publications

Affiliations: 
NIH (NIBIB) 

168 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 Pokrovskaya ID, Joshi S, Tobin M, Desai R, Aronova MA, Kamykowski JA, Zhang G, Whiteheart SW, Leapman RD, Storrie B. SNARE-dependent membrane fusion initiates α-granule matrix decondensation in mouse platelets. Blood Advances. 2: 2947-2958. PMID 30401752 DOI: 10.1182/bloodadvances.2018019158  0.72
2017 Lu N, Huang P, Fan W, Wang Z, Liu Y, Wang S, Zhang G, Hu J, Liu W, Niu G, Leapman RD, Lu G, Chen X. Tri-stimuli-responsive biodegradable theranostics for mild hyperthermia enhanced chemotherapy. Biomaterials. 126: 39-48. PMID 28254692 DOI: 10.1016/j.biomaterials.2017.02.025  0.72
2016 Bryant LH, Kim SJ, Hobson M, Milo B, Kovacs ZI, Jikiria N, Lewis BK, Aronova MA, Sousa AA, Zhang G, Leapman RD, Frank JA. Physicochemical Characterization of Ferumoxytol, Heparin and Protamine Nanocomplexes for improved magnetic labeling of stem cells. Nanomedicine : Nanotechnology, Biology, and Medicine. PMID 27520728 DOI: 10.1016/j.nano.2016.07.011  0.72
2016 Guay MD, Czaja W, Aronova MA, Leapman RD. Compressed Sensing Electron Tomography for Determining Biological Structure. Scientific Reports. 6: 27614. PMID 27291259 DOI: 10.1038/srep27614  0.72
2015 Chen RJ, Zhang G, Garfield SH, Shi YJ, Chen KG, Robey PG, Leapman RD. Variations in Glycogen Synthesis in Human Pluripotent Stem Cells with Altered Pluripotent States. Plos One. 10: e0142554. PMID 26565809 DOI: 10.1371/journal.pone.0142554  0.72
2015 Shomorony A, Pfeifer CR, Aronova MA, Zhang G, Cai T, Xu H, Notkins AL, Leapman RD. Combining quantitative 2D and 3D image analysis in the serial block face SEM: application to secretory organelles of pancreatic islet cells. Journal of Microscopy. PMID 26139222 DOI: 10.1111/jmi.12276  0.72
2015 Pfeifer CR, Shomorony A, Aronova MA, Zhang G, Cai T, Xu H, Notkins AL, Leapman RD. Quantitative analysis of mouse pancreatic islet architecture by serial block-face SEM. Journal of Structural Biology. 189: 44-52. PMID 25448885 DOI: 10.1016/j.jsb.2014.10.013  0.72
2014 Pothayee N, Chen DY, Aronova MA, Qian C, Bouraoud N, Dodd S, Leapman RD, Koretsky AP. Self-organized Mn(2+)-Block Copolymer Complexes and Their Use for In Vivo MR Imaging of Biological Processes. Journal of Materials Chemistry. B, Materials For Biology and Medicine. 2: 7055-7064. PMID 25364506 DOI: 10.1039/C4TB00911H  0.72
2014 Graydon CW, Zhang J, Oesch NW, Sousa AA, Leapman RD, Diamond JS. Passive diffusion as a mechanism underlying ribbon synapse vesicle release and resupply. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 34: 8948-62. PMID 24990916 DOI: 10.1523/JNEUROSCI.1022-14.2014  0.72
2014 Bhirde AA, Chikkaveeraiah BV, Srivatsan A, Niu G, Jin AJ, Kapoor A, Wang Z, Patel S, Patel V, Gorbach AM, Leapman RD, Gutkind JS, Hight Walker AR, Chen X. Targeted therapeutic nanotubes influence the viscoelasticity of cancer cells to overcome drug resistance. Acs Nano. 8: 4177-89. PMID 24708375 DOI: 10.1021/nn501223q  0.72
2014 Trachtenberg S, Schuck P, Phillips TM, Andrews SB, Leapman RD. A structural framework for a near-minimal form of life: Mass and compositional analysis of the helical mollicute Spiroplasma melliferum BC3 Plos One. 9. PMID 24586297 DOI: 10.1371/journal.pone.0087921  0.72
2014 Aronova MA, Leapman RD. Compositional imaging of cells and bionanoparticles by EFTEM Microscopy and Microanalysis. 20: 1298-1299. DOI: 10.1017/S1431927614008228  0.72
2014 Leapman RD, Aronova MA. EELS and EFTEM analysis of biological materials Microscopy and Microanalysis. 20: 582-583. DOI: 10.1017/S1431927614004632  0.72
2014 Chen X, Winters C, Azzam R, Sousa AA, Leapman RD, Reese TS. Nanoscale imaging of protein molecules at the postsynaptic density Neuromethods. 84: 1-21. DOI: 10.1007/978-1-4614-9179-8_1  0.72
2014 Chen X, Winters C, Azzam R, Sousa AA, Leapman RD, Reese TS. Nanoscale imaging of protein molecules at the postsynaptic density Neuromethods. 84: 1-21. DOI: 10.1007/978-1-4614-9179-8-1  0.72
2013 Huang P, Lin J, Li W, Rong P, Wang Z, Wang S, Wang X, Sun X, Aronova M, Niu G, Leapman RD, Nie Z, Chen X. Biodegradable gold nanovesicles with an ultrastrong plasmonic coupling effect for photoacoustic imaging and photothermal therapy. Angewandte Chemie (International Ed. in English). 52: 13958-64. PMID 24318645 DOI: 10.1002/anie.201308986  0.72
2013 Abreu F, Sousa AA, Aronova MA, Kim Y, Cox D, Leapman RD, Andrade LR, Kachar B, Bazylinski DA, Lins U. Cryo-electron tomography of the magnetotactic vibrio Magnetovibrio blakemorei: insights into the biomineralization of prismatic magnetosomes. Journal of Structural Biology. 181: 162-8. PMID 23246783 DOI: 10.1016/j.jsb.2012.12.002  0.72
2013 Aronova MA, Leapman RD. Elemental mapping by electron energy loss spectroscopy in biology. Methods in Molecular Biology (Clifton, N.J.). 950: 209-26. PMID 23086878 DOI: 10.1007/978-1-62703-137-0_13  0.72
2013 Sousa AA, Leapman RD. Mass mapping of amyloid fibrils in the electron microscope using STEM imaging. Methods in Molecular Biology (Clifton, N.J.). 950: 195-207. PMID 23086877 DOI: 10.1007/978-1-62703-137-0_12  0.72
2012 Aronova MA, Leapman RD. Development of Electron Energy Loss Spectroscopy in the Biological Sciences. Mrs Bulletin / Materials Research Society. 37: 53-62. PMID 23049161 DOI: 10.1557/mrs.2011.329  0.72
2012 Norlin N, Hellberg M, Filippov A, Sousa AA, Gröbner G, Leapman RD, Almqvist N, Antzutkin ON. Aggregation and fibril morphology of the Arctic mutation of Alzheimer's Aβ peptide by CD, TEM, STEM and in situ AFM. Journal of Structural Biology. 180: 174-89. PMID 22750418 DOI: 10.1016/j.jsb.2012.06.010  0.72
2012 Sousa AA, Leapman RD. Development and application of STEM for the biological sciences. Ultramicroscopy. 123: 38-49. PMID 22749213 DOI: 10.1016/j.ultramic.2012.04.005  0.72
2012 Fera A, Dosemeci A, Sousa AA, Yang C, Leapman RD, Reese TS. Direct visualization of CaMKII at postsynaptic densities by electron microscopy tomography. The Journal of Comparative Neurology. 520: 4218-25. PMID 22627922 DOI: 10.1002/cne.23151  0.72
2012 Bhirde AA, Kapoor A, Liu G, Iglesias-Bartolome R, Jin A, Zhang G, Xing R, Lee S, Leapman RD, Gutkind JS, Chen X. Nuclear mapping of nanodrug delivery systems in dynamic cellular environments. Acs Nano. 6: 4966-72. PMID 22540867 DOI: 10.1021/nn300516g  0.72
2012 Sousa AA, Morgan JT, Brown PH, Adams A, Jayasekara MP, Zhang G, Ackerson CJ, Kruhlak MJ, Leapman RD. Synthesis, characterization, and direct intracellular imaging of ultrasmall and uniform glutathione-coated gold nanoparticles. Small (Weinheim An Der Bergstrasse, Germany). 8: 2277-86. PMID 22517616 DOI: 10.1002/smll.201200071  0.72
2011 Xing R, Zhang F, Xie J, Aronova M, Zhang G, Guo N, Huang X, Sun X, Liu G, Bryant LH, Bhirde A, Liang A, Hou Y, Leapman RD, Sun S, et al. Polyaspartic acid coated manganese oxide nanoparticles for efficient liver MRI. Nanoscale. 3: 4943-5. PMID 22064945 DOI: 10.1039/c1nr11242b  0.72
2011 Cai T, Hirai H, Zhang G, Zhang M, Takahashi N, Kasai H, Satin LS, Leapman RD, Notkins AL. Deletion of Ia-2 and/or Ia-2β in mice decreases insulin secretion by reducing the number of dense core vesicles. Diabetologia. 54: 2347-57. PMID 21732083 DOI: 10.1007/s00125-011-2221-6  0.72
2011 Venzo A, Antonello S, Gascón JA, Guryanov I, Leapman RD, Perera NV, Sousa A, Zamuner M, Zanella A, Maran F. Effect of the charge state (z = -1, 0, +1) on the nuclear magnetic resonance of monodisperse Au25[S(CH2)2Ph]18(z) clusters. Analytical Chemistry. 83: 6355-62. PMID 21718063 DOI: 10.1021/ac2012653  0.72
2011 Chen X, Nelson CD, Li X, Winters CA, Azzam R, Sousa AA, Leapman RD, Gainer H, Sheng M, Reese TS. PSD-95 is required to sustain the molecular organization of the postsynaptic density. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 31: 6329-38. PMID 21525273 DOI: 10.1523/JNEUROSCI.5968-10.2011  0.72
2011 Xie J, Zhang F, Aronova M, Zhu L, Lin X, Quan Q, Liu G, Zhang G, Choi KY, Kim K, Sun X, Lee S, Sun S, Leapman R, Chen X. Manipulating the power of an additional phase: a flower-like Au-Fe3O4 optical nanosensor for imaging protease expressions in vivo. Acs Nano. 5: 3043-51. PMID 21366330 DOI: 10.1021/nn200161v  0.72
2011 Lin X, Xie J, Niu G, Zhang F, Gao H, Yang M, Quan Q, Aronova MA, Zhang G, Lee S, Leapman R, Chen X. Chimeric ferritin nanocages for multiple function loading and multimodal imaging. Nano Letters. 11: 814-9. PMID 21210706 DOI: 10.1021/nl104141g  0.72
2011 Aronova MA, Sousa AA, Leapman RD. EELS characterization of radiolytic products in frozen samples. Micron (Oxford, England : 1993). 42: 252-6. PMID 21111626 DOI: 10.1016/j.micron.2010.10.009  0.72
2011 Sousa AA, Azari AA, Zhang G, Leapman RD. Dual-axis electron tomography of biological specimens: Extending the limits of specimen thickness with bright-field STEM imaging. Journal of Structural Biology. 174: 107-14. PMID 21055473 DOI: 10.1016/j.jsb.2010.10.017  0.72
2010 Bhirde AA, Patel S, Sousa AA, Patel V, Molinolo AA, Ji Y, Leapman RD, Gutkind JS, Rusling JF. Distribution and clearance of PEG-single-walled carbon nanotube cancer drug delivery vehicles in mice. Nanomedicine (London, England). 5: 1535-46. PMID 21143032 DOI: 10.2217/nnm.10.90  0.72
2010 Aronova MA, Sousa AA, Zhang G, Leapman RD. Limitations of beam damage in electron spectroscopic tomography of embedded cells. Journal of Microscopy. 239: 223-32. PMID 20701660 DOI: 10.1111/j.1365-2818.2010.03376.x  0.72
2010 Leapman RD. Nanoparticles: Dissected with electrons. Nature Nanotechnology. 5: 480-1. PMID 20606638 DOI: 10.1038/nnano.2010.131  0.72
2010 Fukunaga M, Li TQ, van Gelderen P, de Zwart JA, Shmueli K, Yao B, Lee J, Maric D, Aronova MA, Zhang G, Leapman RD, Schenck JF, Merkle H, Duyn JH. Layer-specific variation of iron content in cerebral cortex as a source of MRI contrast. Proceedings of the National Academy of Sciences of the United States of America. 107: 3834-9. PMID 20133720 DOI: 10.1073/pnas.0911177107  0.72
2010 Aronova MA, Kim YC, Sousa AA, Zhang G, Leapman RD. Nanoscale imaging of chemical elements in biomedicine Ifmbe Proceedings. 32: 357-360. DOI: 10.1007/978-3-642-14998-6_91  0.72
2009 Bhirde AA, Sousa AA, Patel V, Azari AA, Gutkind JS, Leapman RD, Rusling JF. Imaging the distribution of individual platinum-based anticancer drug molecules attached to single-wall carbon nanotubes. Nanomedicine (London, England). 4: 763-72. PMID 19839812 DOI: 10.2217/nnm.09.56  0.72
2009 Hohmann-Marriott MF, Sousa AA, Azari AA, Glushakova S, Zhang G, Zimmerberg J, Leapman RD. Nanoscale 3D cellular imaging by axial scanning transmission electron tomography. Nature Methods. 6: 729-31. PMID 19718033 DOI: 10.1038/nmeth.1367  0.72
2009 Chen KG, Leapman RD, Zhang G, Lai B, Valencia JC, Cardarelli CO, Vieira WD, Hearing VJ, Gottesman MM. Influence of melanosome dynamics on melanoma drug sensitivity. Journal of the National Cancer Institute. 101: 1259-71. PMID 19704071 DOI: 10.1093/jnci/djp259  0.72
2009 Sarin H, Kanevsky AS, Wu H, Sousa AA, Wilson CM, Aronova MA, Griffiths GL, Leapman RD, Vo HQ. Physiologic upper limit of pore size in the blood-tumor barrier of malignant solid tumors. Journal of Translational Medicine. 7: 51. PMID 19549317 DOI: 10.1186/1479-5876-7-51  0.72
2009 Sousa AA, Aronova MA, Wu H, Sarin H, Griffiths G, Leapman RD. Determining molecular mass distributions and compositions of functionalized dendrimer nanoparticles. Nanomedicine (London, England). 4: 391-9. PMID 19505242 DOI: 10.2217/nnm.09.14  0.72
2009 Paravastu AK, Qahwash I, Leapman RD, Meredith SC, Tycko R. Seeded growth of beta-amyloid fibrils from Alzheimer's brain-derived fibrils produces a distinct fibril structure. Proceedings of the National Academy of Sciences of the United States of America. 106: 7443-8. PMID 19376973 DOI: 10.1073/pnas.0812033106  0.72
2009 Bhirde AA, Patel V, Gavard J, Zhang G, Sousa AA, Masedunskas A, Leapman RD, Weigert R, Gutkind JS, Rusling JF. Targeted killing of cancer cells in vivo and in vitro with EGF-directed carbon nanotube-based drug delivery. Acs Nano. 3: 307-16. PMID 19236065 DOI: 10.1021/nn800551s  0.72
2009 Aronova MA, Kim YC, Pivovarova NB, Andrews SB, Leapman RD. Quantitative EFTEM mapping of near physiological calcium concentrations in biological specimens. Ultramicroscopy. 109: 201-12. PMID 19118952 DOI: 10.1016/j.ultramic.2008.10.003  0.72
2009 Sousa AA, Hohmann-Marriott MF, Zhang G, Leapman RD. Monte Carlo electron-trajectory simulations in bright-field and dark-field STEM: implications for tomography of thick biological sections. Ultramicroscopy. 109: 213-21. PMID 19110374 DOI: 10.1016/j.ultramic.2008.10.005  0.72
2009 Sousa AA, Hohmann-Marriott MF, Azari A, Zhang G, Leapman RD. BF STEM tomography for improved 3D imaging of thick biological sections Microscopy and Microanalysis. 15: 572-573. DOI: 10.1017/S1431927609093659  0.72
2009 Aronova MA, Sousa AA, Zhang G, Kruhlak MJ, Lei EP, Leapman RD. Correlative EFTEM, STEM and fluorescence microscopy as a tool for chromatin biology Microscopy and Microanalysis. 15: 920-921. DOI: 10.1017/S1431927609093556  0.72
2008 Sarin H, Kanevsky AS, Wu H, Brimacombe KR, Fung SH, Sousa AA, Auh S, Wilson CM, Sharma K, Aronova MA, Leapman RD, Griffiths GL, Hall MD. Effective transvascular delivery of nanoparticles across the blood-brain tumor barrier into malignant glioma cells. Journal of Translational Medicine. 6: 80. PMID 19094226 DOI: 10.1186/1479-5876-6-80  0.72
2008 Paravastu AK, Leapman RD, Yau WM, Tycko R. Molecular structural basis for polymorphism in Alzheimer's beta-amyloid fibrils. Proceedings of the National Academy of Sciences of the United States of America. 105: 18349-54. PMID 19015532 DOI: 10.1073/pnas.0806270105  0.72
2008 Chen X, Winters C, Azzam R, Crocker V, Li X, Galbraith J, Leapman R, Reese Ts. Identifying individual scaffolding molecules in the postsynaptic density. Microscopy and Microanalysis : the Official Journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada. 14: 1068-9. PMID 18674117 DOI: 10.1017/S1431927608085449  0.72
2008 Trachtenberg S, Dorward LM, Speransky VV, Jaffe H, Andrews SB, Leapman RD. Structure of the cytoskeleton of Spiroplasma melliferum BC3 and its interactions with the cell membrane. Journal of Molecular Biology. 378: 778-89. PMID 18400234 DOI: 10.1016/j.jmb.2008.02.020  0.72
2008 Sousa AA, Hohmann-Marriott M, Aronova MA, Zhang G, Leapman RD. Determination of quantitative distributions of heavy-metal stain in biological specimens by annular dark-field STEM. Journal of Structural Biology. 162: 14-28. PMID 18359249 DOI: 10.1016/j.jsb.2008.01.007  0.72
2008 Sousa AA, Aronova MA, Kim YC, Dorward LM, Zhang G, Leapman RD. Reprint of "On the feasibility of visualizing ultrasmall gold labels in biological specimens by STEM tomography" [J. Struct. Biol. 159 (2007) 507-522]. Journal of Structural Biology. 161: 336-51. PMID 18342743 DOI: 10.1016/S1047-8477(08)00063-4  0.72
2008 Aronova MA, Kim YC, Harmon R, Sousa AA, Zhang G, Leapman RD. Reprint of "Three-dimensional elemental mapping of phosphorus by quantitative electron spectroscopic tomography (QuEST)" [J. Struct. Biol. 160 (2007) 35-48]. Journal of Structural Biology. 161: 322-35. PMID 18342742 DOI: 10.1016/S1047-8477(08)00062-2  0.72
2008 Chen X, Winters C, Azzam R, Li X, Galbraith JA, Leapman RD, Reese TS. Organization of the core structure of the postsynaptic density. Proceedings of the National Academy of Sciences of the United States of America. 105: 4453-8. PMID 18326622 DOI: 10.1073/pnas.0800897105  0.72
2008 Chen X, Winters C, Azzam R, Li X, Galbraith JA, Leapman RD, Reese TS. Organization of the core structure of the postsynaptic density (Proceedings of the National Academy of Sciences of the United States of America (2008) 105, 11 (4453-4458) DOI: 10.1073/pnas.0800897105) Proceedings of the National Academy of Sciences of the United States of America. 105: 7893. DOI: 10.1073/pnas.0803900105  0.72
2008 Aronova MA, Pivovarova NB, Andrews SB, Leapman RD. Megapixel quantitative EFTEM imaging of calcium in biological specimens Microscopy and Microanalysis. 14: 662-663. DOI: 10.1017/S143192760808464X  0.72
2008 Leapman RD. Nanoscale elemental analysis by EELS in the life sciences Microscopy and Microanalysis. 14: 1378-1379. DOI: 10.1017/S143192760808238X  0.72
2008 Sousa A, Aronova MA, Wu H, Sarin H, Griffiths GL, Leapman RD. Quantitative STEM and EFTEM characterization of dendrimer-based nanoparticles used in magnetic resonance imaging and drug delivery Microscopy and Microanalysis. 14: 694-695. DOI: 10.1017/S143192760808224X  0.72
2008 Sousa AA, Hohmann-Marriott M, Zhang G, Leapman RD. Bright-Field STEM tomography of thick stained plastic sections Microscopy and Microanalysis. 14: 1066-1067. DOI: 10.1017/S1431927608082184  0.72
2007 Luca S, Yau WM, Leapman R, Tycko R. Peptide conformation and supramolecular organization in amylin fibrils: constraints from solid-state NMR. Biochemistry. 46: 13505-22. PMID 17979302 DOI: 10.1021/bi701427q  0.72
2007 Zhang G, Hirai H, Cai T, Miura J, Yu P, Huang H, Schiller MR, Swaim WD, Leapman RD, Notkins AL. RESP18, a homolog of the luminal domain IA-2, is found in dense core vesicles in pancreatic islet cells and is induced by high glucose. The Journal of Endocrinology. 195: 313-21. PMID 17951542 DOI: 10.1677/JOE-07-0252  0.72
2007 Sousa AA, Leapman RD. Quantitative STEM mass measurement of biological macromolecules in a 300 kV TEM. Journal of Microscopy. 228: 25-33. PMID 17910694 DOI: 10.1111/j.1365-2818.2007.01819.x  0.72
2007 Aronova MA, Kim YC, Harmon R, Sousa AA, Zhang G, Leapman RD. Three-dimensional elemental mapping of phosphorus by quantitative electron spectroscopic tomography (QuEST). Journal of Structural Biology. 160: 35-48. PMID 17693097 DOI: 10.1016/j.jsb.2007.06.008  0.72
2007 Sousa AA, Aronova MA, Kim YC, Dorward LM, Zhang G, Leapman RD. On the feasibility of visualizing ultrasmall gold labels in biological specimens by STEM tomography. Journal of Structural Biology. 159: 507-22. PMID 17689263 DOI: 10.1016/j.jsb.2007.06.006  0.72
2007 Daly MJ, Gaidamakova EK, Matrosova VY, Vasilenko A, Zhai M, Leapman RD, Lai B, Ravel B, Li SM, Kemner KM, Fredrickson JK. Protein oxidation implicated as the primary determinant of bacterial radioresistance. Plos Biology. 5: e92. PMID 17373858 DOI: 10.1371/journal.pbio.0050092  0.72
2007 Leapman RD, Aronova MA. Localizing specific elements bound to macromolecules by EFTEM. Methods in Cell Biology. 79: 593-613. PMID 17327176 DOI: 10.1016/S0091-679X(06)79024-0  0.72
2007 Chesnick IE, Avallone FA, Leapman RD, Landis WJ, Eidelman N, Potter K. Evaluation of bioreactor-cultivated bone by magnetic resonance microscopy and FTIR microspectroscopy. Bone. 40: 904-12. PMID 17174620 DOI: 10.1016/j.bone.2006.10.020  0.72
2007 Aronova MA, Kim YC, Zhang G, Leapman RD. Quantification and thickness correction of EFTEM phosphorus maps. Ultramicroscopy. 107: 232-44. PMID 16979822 DOI: 10.1016/j.ultramic.2006.07.009  0.72
2006 Chen KG, Valencia JC, Lai B, Zhang G, Paterson JK, Rouzaud F, Berens W, Wincovitch SM, Garfield SH, Leapman RD, Hearing VJ, Gottesman MM. Melanosomal sequestration of cytotoxic drugs contributes to the intractability of malignant melanomas. Proceedings of the National Academy of Sciences of the United States of America. 103: 9903-7. PMID 16777967 DOI: 10.1073/pnas.0600213103  0.72
2006 Aronova MA, Zhang G, Leapman RD. Correction of thickness artifacts in EFTEM elemental mapping of biological specimens Microscopy and Microanalysis. 12: 1196-1197. DOI: 10.1017/S1431927606067055  0.72
2006 Leapman RD. Detection limits for EELS analysis of biological materials Microscopy and Microanalysis. 12: 104-105. DOI: 10.1017/S1431927606066426  0.72
2006 Leapman RD, Zhang G, Dorward L, Speransky V, Aronova MA. 2D and 3D elemental mapping of biological structures by energy-filtered TEM Microscopy and Microanalysis. 12: 1386-1387. DOI: 10.1017/S143192760606630X  0.72
2005 Chen X, Vinade L, Leapman RD, Petersen JD, Nakagawa T, Phillips TM, Sheng M, Reese TS. Mass of the postsynaptic density and enumeration of three key molecules. Proceedings of the National Academy of Sciences of the United States of America. 102: 11551-6. PMID 16061821 DOI: 10.1073/pnas.0505359102  0.72
2005 Zhang P, Land W, Lee S, Juliani J, Lefman J, Smith SR, Germain D, Kessel M, Leapman R, Rouault TA, Subramaniam S. Electron tomography of degenerating neurons in mice with abnormal regulation of iron metabolism Journal of Structural Biology. 150: 144-153. PMID 15866737 DOI: 10.1016/j.jsb.2005.01.007  0.72
2005 Petkova AT, Leapman RD, Guo Z, Yau WM, Mattson MP, Tycko R. Self-propagating, molecular-level polymorphism in Alzheimer's beta-amyloid fibrils. Science (New York, N.Y.). 307: 262-5. PMID 15653506 DOI: 10.1126/science.1105850  0.72
2005 Leapman RD, Zhang G, Talbot TL, Speransky VV, Kruhlak MJ. 3D elemental distributions in biological structures by EFTEM tomography Microscopy and Microanalysis. 11: 50-51. DOI: 10.1017/S1431927605502940  0.72
2004 Leapman RD. Novel techniques in electron microscopy. Current Opinion in Neurobiology. 14: 591-8. PMID 15464893 DOI: 10.1016/j.conb.2004.08.004  0.72
2004 Leapman RD, Kocsis E, Zhang G, Talbot TL, Laquerriere P. Three-dimensional distributions of elements in biological samples by energy-filtered electron tomography. Ultramicroscopy. 100: 115-25. PMID 15219696 DOI: 10.1016/j.ultramic.2004.03.002  0.72
2004 Kajava AV, Potekhin SA, Corradin G, Leapman RD. Organization of designed nanofibrils assembled from alpha-helical peptides as determined by electron microscopy. Journal of Peptide Science : An Official Publication of the European Peptide Society. 10: 291-7. PMID 15160841 DOI: 10.1002/psc.520  0.72
2004 Center RJ, Lebowitz J, Leapman RD, Moss B. Promoting trimerization of soluble human immunodeficiency virus type 1 (HIV-1) Env through the use of HIV-1/simian immunodeficiency virus chimeras. Journal of Virology. 78: 2265-76. PMID 14963123 DOI: 10.1128/JVI.78.5.2265-2276.2004  0.72
2004 Petkova AT, Buntkowsky G, Dyda F, Leapman RD, Yau WM, Tycko R. Solid state NMR reveals a pH-dependent antiparallel beta-sheet registry in fibrils formed by a beta-amyloid peptide. Journal of Molecular Biology. 335: 247-60. PMID 14659754 DOI: 10.1016/j.jmb.2003.10.044  0.72
2004 Levin I, Kovler M, Roizin Y, Vofsi M, Leapman RD, Goodman G, Kawada N, Funahashi M. Structure, chemistry, and electrical performance of silicon oxide-nitride-oxide stacks on silicon Journal of the Electrochemical Society. 151: G833-G838. DOI: 10.1149/1.1811594  0.72
2004 Leapman RD, Kocsis E, Zhang G, Talbot TL, Laquerriere P. Mapping cellular elemental distributions in three dimensions Microscopy and Microanalysis. 10: 1182-1183. DOI: 10.1017/S1431927604881881  0.72
2003 Goping G, Pollard HB, Srivastava M, Leapman R. Mapping protein expression in mouse pancreatic islets by immunolabeling and electron energy loss spectrum-imaging Microscopy Research and Technique. 61: 448-456. PMID 12845571 DOI: 10.1002/jemt.10294  0.72
2003 Leapman RD. Detecting single atoms of calcium and iron in biological structures by electron energy-loss spectrum-imaging. Journal of Microscopy. 210: 5-15. PMID 12694411  0.72
2003 Trachtenberg S, Andrews SB, Leapman RD. Mass distribution and spatial organization of the linear bacterial motor of Spiroplasma citri R8A2. Journal of Bacteriology. 185: 1987-94. PMID 12618463 DOI: 10.1128/JB.185.6.1987-1994.2003  0.72
2003 Levin I, Leapman RD, Kovler M, Roizin Y. Radiation-induced nitrogen segregation during electron energy loss spectroscopy of silicon oxide-nitride-oxide stacks Applied Physics Letters. 83: 1548-1550. DOI: 10.1063/1.1604182  0.72
2003 Leapman R. Ultramicroscopy: Foreword Ultramicroscopy. 96: v-vi. DOI: 10.1016/S0304-3991(03)00089-5  0.72
2003 Laquerriere P, Kocsis E, Zhang G, Talbot TL, Leapman RD. Elemental tomography of biological structures Microscopy and Microanalysis. 9: 240-241.  0.72
2003 Andrews SB, Pivovarova NB, Hongpaisan J, Brantner CA, Leapman RD. Correlated measurements of free and total intracellular calcium Microscopy and Microanalysis. 9: 238-239.  0.72
2003 Leapman RD, Andrews SB. Detection limits for electron energy-loss spectroscopy in biology Microscopy and Microanalysis. 9: 1476-1477.  0.72
2002 Antzutkin ON, Leapman RD, Balbach JJ, Tycko R. Supramolecular structural constraints on Alzheimer's β-amyloid fibrils from electron microscopy and solid-state nuclear magnetic resonance Biochemistry. 41: 15436-15450. PMID 12484785 DOI: 10.1021/bi0204185  0.72
2002 Petkova AT, Ishii Y, Balbach JJ, Antzutkin ON, Leapman RD, Delaglio F, Tycko R. A structural model for Alzheimer's β-amyloid fibrils based on experimental constraints from solid state NMR Proceedings of the National Academy of Sciences of the United States of America. 99: 16742-16747. PMID 12481027 DOI: 10.1073/pnas.262663499  0.72
2002 Center RJ, Leapman RD, Lebowitz J, Arthur LO, Earl PL, Moss B. Oligomeric structure of the human immunodeficiency virus type 1 envelope protein on the virion surface. Journal of Virology. 76: 7863-7. PMID 12097599 DOI: 10.1128/JVI.76.15.7863-7867.2002  0.72
2002 Potter K, Leapman RD, Basser PJ, Landis WJ. Cartilage calcification studied by proton nuclear magnetic resonance microscopy. Journal of Bone and Mineral Research : the Official Journal of the American Society For Bone and Mineral Research. 17: 652-60. PMID 11918222 DOI: 10.1359/jbmr.2002.17.4.652  0.72
2002 Kocsis E, Weisberg A, Moss B, Chen X, Reese TS, Leapman RD. Limits of specimen thickness for energy-filtered tomography of stained plastic sections at 120 kV beam voltage Microscopy and Microanalysis. 8: 882-883.  0.72
2001 Center RJ, Schuck P, Leapman RD, Arthur LO, Earl PL, Moss B, Lebowitz J. Oligomeric structure of virion-associated and soluble forms of the simian immunodeficiency virus envelope protein in the prefusion activated conformation. Proceedings of the National Academy of Sciences of the United States of America. 98: 14877-82. PMID 11752436 DOI: 10.1073/pnas.261573898  0.72
2001 Hongpaisan J, Pivovarova NB, Colegrove SL, Leapman RD, Friel DD, Andrews SB. Multiple modes of calcium-induced calcium release in sympathetic neurons II: a [Ca2+](i)- and location-dependent transition from endoplasmic reticulum Ca accumulation to net Ca release. The Journal of General Physiology. 118: 101-12. PMID 11429447 DOI: 10.1085/jgp.118.1.101  0.72
2000 Balbach JJ, Ishii Y, Antzutkin ON, Leapman RD, Rizzo NW, Dyda F, Reed J, Tycko R. Amyloid fibril formation by Aβ16-22, a seven-residue fragment of the Alzheimer's β-amyloid peptide, and structural characterization by solid state NMR Biochemistry. 39: 13748-13759. PMID 11076514 DOI: 10.1021/bi0011330  0.72
2000 Antzutkin ON, Balbach JJ, Leapman RD, Rizzo NW, Reed J, Tycko R. Multiple quantum solid-state NMR indicates a parallel, not antiparallel, organization of β-sheets in Alzheimer's β-amyloid fibrils Proceedings of the National Academy of Sciences of the United States of America. 97: 13045-13050. PMID 11069287 DOI: 10.1073/pnas.230315097  0.72
2000 Levin I, Leapman RD, Kaiser DL. Microstructure and chemistry of nonstoichiometric (Ba,Sr)TiO3 thin films deposited by metalorganic chemical vapor deposition Journal of Materials Research. 15: 1433-1436.  0.72
1999 Leapman RD, Rizzo NW. Towards single atom analysis of biological structures. Ultramicroscopy. 78: 251-68. PMID 10389278 DOI: 10.1016/S0304-3991(99)00031-5  0.72
1999 Thirion S, Troadec JD, Pivovarova NB, Pagnotta S, Andrews SB, Leapman RD, Nicaise G. Stimulus-secretion coupling in neurohypophysial nerve endings: a role for intravesicular sodium? Proceedings of the National Academy of Sciences of the United States of America. 96: 3206-10. PMID 10077662 DOI: 10.1073/pnas.96.6.3206  0.72
1999 Levin I, Leapman RD, Kaiser DL, Van Buskirk PC, Bilodeau S, Carl R. Accommodation of excess Ti in a (Ba,Sr)TiO3 thin film with 53.4% Ti grown on Pt/Sio2/Si by metalorganic chemical-vapor deposition Applied Physics Letters. 75: 1299-1301.  0.72
1997 Leapman RD, Jarnik M, Steven AC. Spatial distributions of sulfur-rich proteins in cornifying epithelia. Journal of Structural Biology. 120: 168-79. PMID 9417981 DOI: 10.1006/jsbi.1997.3937  0.72
1997 Pozzo-Miller LD, Pivovarova NB, Leapman RD, Buchanan RA, Reese TS, Andrews SB. Activity-dependent calcium sequestration in dendrites of hippocampal neurons in brain slices. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 17: 8729-38. PMID 9348342  0.72
1997 Scott DA, Docampo R, Dvorak JA, Shi S, Leapman RD. In situ compositional analysis of acidocalcisomes in Trypanosoma cruzi. The Journal of Biological Chemistry. 272: 28020-9. PMID 9346954 DOI: 10.1074/jbc.272.44.28020  0.72
1997 Leapman RD, Gallant PE, Reese TS, Andrews SB. Phosphorylation and subunit organization of axonal neurofilaments determined by scanning transmission electron microscopy. Proceedings of the National Academy of Sciences of the United States of America. 94: 7820-4. PMID 9223270 DOI: 10.1073/pnas.94.15.7820  0.72
1997 Thirion S, Troadec JD, Pagnotta S, Andrews SB, Leapman RD, Nicaise G. Calcium in secretory vesicles of neurohypophysial nerve endings: quantitative comparison by X-ray microanalysis of cryosectioned and freeze-substituted specimens. Journal of Microscopy. 186: 28-34. PMID 9159921  0.72
1997 Rightor EG, Hitchcock AP, Ade H, Leapman RD, Urquhart SG, Smith AP, Mitchell G, Fischer D, Shin HJ, Warwick T. Spectromicroscopy of poly(ethylene terephthalate): Comparison of spectra and radiation damage rates in X-ray absorption and electron energy loss Journal of Physical Chemistry B. 101: 1950-1960.  0.72
1996 Shi S, Sun S, Andrews SB, Leapman RD. Thickness measurement of hydrated and dehydrated cryosections by EELS. Microscopy Research and Technique. 33: 241-50. PMID 8652882 DOI: 10.1002/(SICI)1097-0029(19960215)33:3<241::AID-JEMT1>3.0.CO;2-T  0.72
1995 Sun SQ, Shi SL, Hunt JA, Leapman RD. Quantitative water mapping of cryosectioned cells by electron energy-loss spectroscopy. Journal of Microscopy. 177: 18-30. PMID 7897645  0.72
1995 Leapman RD, Sun S. Cryo-electron energy loss spectroscopy: observations on vitrified hydrated specimens and radiation damage. Ultramicroscopy. 59: 71-9. PMID 7571121 DOI: 10.1016/0304-3991(95)00019-W  0.72
1995 Hunt JA, Disko MM, Behal SK, Leapman RD. Electron energy-loss chemical imaging of polymer phases Ultramicroscopy. 58: 55-64. DOI: 10.1016/0304-3991(94)00178-P  0.72
1994 Quintana C, Bonnet N, Lindh U, De Bruijn WC, Von Zglinicki T, Leapman RD. Multivariate statistical analysis applied to X-ray spectra and X-ray mapping of liver cell nuclei Scanning Microscopy. 8: 563-586. PMID 7747157  0.72
1994 Leapman RD, Sun SQ, Hunt JA, Andrews SB. Biological electron energy loss spectroscopy in the field-emission scanning transmission electron microscope. Scanning Microscopy. Supplement. 8: 245-58; discussion 2. PMID 7638490  0.72
1994 Andrews SB, Buchanan RA, Leapman RD. Quantitative dark-field mass analysis of ultrathin cryosections in the field-emission scanning transmission electron microscope. Scanning Microscopy. Supplement. 8: 13-23; discussion 23. PMID 7638482  0.72
1994 Shi SL, Sun SQ, Nash TE, Leapman RD. Characterization of cryosectioned cell suspensions by STEM Proceedings - Annual Meeting, Microscopy Society of America. 136-137.  0.72
1994 Leapman RD, Sun SQ. EELS of ice, vitrified water, and frozen aqueous solutions Proceedings - Annual Meeting, Microscopy Society of America. 984-985.  0.72
1993 Leapman RD, Hunt JA, Buchanan RA, Andrews SB. Measurement of low calcium concentrations in cryosectioned cells by parallel-EELS mapping. Ultramicroscopy. 49: 225-34. PMID 8475601 DOI: 10.1016/0304-3991(93)90229-Q  0.72
1993 Foster MC, Leapman RD, Li MX, Atwater I. Elemental composition of secretory granules in pancreatic islets of Langerhans. Biophysical Journal. 64: 525-32. PMID 8457676 DOI: 10.1016/S0006-3495(93)81397-3  0.72
1993 Ciliax BJ, Kirk KL, Leapman RD. Radiation damage of fluorinated organic compounds measured by parallel electron energy loss spectroscopy. Ultramicroscopy. 48: 13-25. PMID 8438530 DOI: 10.1016/0304-3991(93)90167-V  0.72
1993 Buchanan RA, Leapman RD, O'Connell MF, Reese TS, Andrews SB. Quantitative scanning transmission electron microscopy of ultrathin cryosections: subcellular organelles in rapidly frozen liver and cerebellar cortex. Journal of Structural Biology. 110: 244-55. PMID 8373705 DOI: 10.1006/jsbi.1993.1027  0.72
1993 Andrews SB, Gallant PE, Leapman RD, Schnapp BJ, Reese TS. Single kinesin molecules crossbridge microtubules in vitro. Proceedings of the National Academy of Sciences of the United States of America. 90: 6503-7. PMID 8341662  0.72
1993 Leapman RD, Brink J, Chiu W. Low-dose thickness measurement of glucose-embedded protein crystals by electron energy loss spectroscopy and STEM dark-field imaging. Ultramicroscopy. 52: 157-66. PMID 8291165 DOI: 10.1016/0304-3991(93)90186-2  0.72
1993 Leapman RD, Newbury DE. Trace elemental analysis at nanometer spatial resolution by parallel-detection electron energy loss spectroscopy. Analytical Chemistry. 65: 2409-14. PMID 8238934  0.72
1993 Leapman RD, Brink J, Chiu W. Thickness measurement of glucose-embedded crotoxin complex crystals by EELS Proceedings - Annual Meeting, Microscopy Society of America. 686-687.  0.72
1993 Leapman RD, Sun SQ, Shi SL, Buchanan RA, Andrews SB. STEM measurement of subcellular water distributions Proceedings - Annual Meeting, Microscopy Society of America. 568-569.  0.72
1992 Leapman RD, Andrews SB. Characterization of biological macromolecules by combined mass mapping and electron energy-loss spectroscopy. Journal of Microscopy. 165: 225-38. PMID 1564721 DOI: 10.1111/j.1365-2818.1992.tb01482.x  0.72
1991 Leapman RD, Andrews SB. Analysis of directly frozen macromolecules and tissues in the field-emission STEM. Journal of Microscopy. 161: 3-19. PMID 2016736 DOI: 10.1111/j.1365-2818.1991.tb03070.x  0.72
1991 Leapman RD. Limits of detectability for parallel electron energy loss spectroscopy Institute of Physics Conference Series. 119: 95-100.  0.72
1988 Andrews SB, Leapman RD, Landis DM, Reese TS. Activity-dependent accumulation of calcium in Purkinje cell dendritic spines. Proceedings of the National Academy of Sciences of the United States of America. 85: 1682-5. PMID 3422755  0.72
1988 Ornberg RL, Kuijpers GA, Leapman RD. Electron probe microanalysis of the subcellular compartments of bovine adrenal chromaffin cells. Comparison of chromaffin granules in situ and in vitro. The Journal of Biological Chemistry. 263: 1488-93. PMID 3335554  0.72
1988 Leapman RD, Ornberg RL. Quantitative electron energy loss spectroscopy in biology. Ultramicroscopy. 24: 251-68. PMID 3281358 DOI: 10.1016/0304-3991(88)90314-2  0.72
1988 Fiori CE, Leapman RD, Swyt CR, Andrews SB. Quantitative X-ray mapping of biological cryosections. Ultramicroscopy. 24: 237-49. PMID 3281357 DOI: 10.1016/0304-3991(88)90313-0  0.72
1988 Leapman RD, Swyt CR. Separation of overlapping core edges in electron energy loss spectra by multiple-least-squares fitting. Ultramicroscopy. 26: 393-403. PMID 3238813 DOI: 10.1016/0304-3991(88)90239-2  0.72
1988 Dvorak JA, Engel JC, Leapman RD, Swyt CR, Pella PA. Trypanosoma cruzi: elemental composition heterogeneity of cloned stocks. Molecular and Biochemical Parasitology. 31: 19-26. PMID 3054539 DOI: 10.1016/0166-6851(88)90141-7  0.72
1987 Leapman RD, Fiori CE, Gorlen KE. Elemental imaging by EELS and EDXS in the analytical electron microscope : Its relevance to trace element research. Biological Trace Element Research. 13: 89-102. PMID 24254668 DOI: 10.1007/BF02796624  0.72
1987 Andrews SB, Leapman RD, Landis DM, Reese TS. Distribution of calcium and potassium in presynaptic nerve terminals from cerebellar cortex. Proceedings of the National Academy of Sciences of the United States of America. 84: 1713-7. PMID 3470753  0.72
1987 Livne E, Oliver C, Leapman RD, Rosenberg LC, Poole AR, Silbermann M. Age-related changes in the role of matrix vesicles in the mandibular condylar cartilage. Journal of Anatomy. 150: 61-74. PMID 3308799  0.72
1986 Leapman RD. Scanning transmission electron microscope (STEM) elemental mapping by electron energy-loss spectroscopy. Annals of the New York Academy of Sciences. 483: 326-38. PMID 3551725  0.72
1985 Leapman RD, Gorlen KE, Swyt CR. Digital processing of electron energy loss spectra and images. Scanning Electron Microscopy. 1-13. PMID 4001848  0.72
1984 Leapman RD, Fiori CE, Swyt CR. Mass thickness determination by electron energy loss for quantitative X-ray microanalysis in biology Journal of Microscopy. 133: Pt 3/-. PMID 6716460  0.72
1984 Gorlen KE, Barden LK, Del Priore JS, Fiori CE, Gibson CC, Leapman RD. Computerized analytical electron microscope for elemental imaging Review of Scientific Instruments. 55: 912-921. DOI: 10.1063/1.1137864  0.72
1984 Swyt CR, Leapman RD. REMOVAL OF PLURAL SCATTERING IN EELS: PRACTICAL CONSIDERATIONS Proceedings, Annual Conference - Microbeam Analysis Society. 45-48.  0.72
1983 Leapman RD, Fejes PL, Silcox J. Orientation dependence of core edges from anisotropic materials determined by inelastic scattering of fast electrons Physical Review B. 28: 2361-2373. DOI: 10.1103/PhysRevB.28.2361  0.72
1983 Leapman RD, Fiori CE, Gorlen KE, Gibson CC, Swyt CR. Combined elemental and stem imaging under computer control Ultramicroscopy. 12: 281-291. DOI: 10.1016/0304-3991(83)90242-5  0.72
1983 Leapman RD, Swyt CR. ELECTRON ENERGY LOSS IMAGING IN THE STEM: SYSTEMATIC AND STATISTICAL ERRORS Proceedings, Annual Conference - Microbeam Analysis Society. 163-167.  0.72
1982 Leapman RD, Grunes LA, Fejes PL. Study of the L23 edges in the 3d transition metals and their oxides by electron-energy-loss spectroscopy with comparisons to theory Physical Review B. 26: 614-635. DOI: 10.1103/PhysRevB.26.614  0.72
1982 Grunes LA, Leapman RD, Wilker CN, Hoffmann R, Kunz AB. Oxygen K near-edge fine structure: An electron-energy-loss investigation with comparisons to new theory for selected 3d transition-metal oxides Physical Review B. 25: 7157-7173. DOI: 10.1103/PhysRevB.25.7157  0.72
1982 Leapman RD. APPLICATIONS OF ELECTRON ENERGY LOSS SPECTROSCOPY IN BIOLOGY: DETECTION OF CALCIUM AND FLUORINE Proceedings - Electron Microscopy Society of America. 412-415.  0.72
1982 Swyt CR, Leapman RD. Plural scattering in electron energy loss spectroscopy (EELS) microanalysis Scanning Electron Microscopy. 1982: 73-82.  0.72
1982 Leapman RD. EXELFS SPECTROSCOPY OF AMORPHOUS MATERIALS Proceedings, Annual Conference - Microbeam Analysis Society. 111-117.  0.72
1980 Leapman RD, Grunes LA. Anomalous L3L2 white-line ratios in the 3d transition metals Physical Review Letters. 45: 397-401. DOI: 10.1103/PhysRevLett.45.397  0.72
1980 Grunes LA, Leapman RD. Optically forbidden excitations of the 3s subshell in the 3d transition metals by inelastic scattering of fast electrons Physical Review B. 22: 3778-3783. DOI: 10.1103/PhysRevB.22.3778  0.72
1980 Leapman RD, Rez P, Mayers DF. K, L, and M shell generalized oscillator strengths and ionization cross sections for fast electron collisions The Journal of Chemical Physics. 72: 1232-1243.  0.72
1979 Leapman RD, Silcox J. Orientation dependence of core edges in electron-energy-loss spectra from anisotropic materials Physical Review Letters. 42: 1361-1364. DOI: 10.1103/PhysRevLett.42.1361  0.72
1979 Leapman RD. ENERGY LOSS SPECTROSCOPY OF CORE EXCITATIONS AND QUANTITATIVE MICROANALYSIS Ultramicroscopy. 2: 413-421. DOI: 10.1016/S0304-3991(78)80065-5  0.72
1978 Leapman RD, Sanderson SJ, Whelan MJ. APPLICATION OF ELECTRON ENERGY LOSS SPECTROMETRY TO PRECIPITATE MICROANALYSIS IN 9%Cr-1% Mo STEEL Met Sci. 21: 215-220.  0.72
1977 Leapman RD, Whelan MJ. MICROANALYSIS BY ELECTRON ENERGY LOSS SPECTROMETRY Inst Phys Conf Ser. 361-364.  0.72
1976 Colliex C, Cosslett VE, Leapman RD, Trebbia P. Contribution of electron energy loss spectroscopy to the development of analytical electron microscopy Ultramicroscopy. 1: 301-315. PMID 1028200 DOI: 10.1016/0304-3991(76)90048-6  0.72
1976 Leapman RD, Cosslett VE. Extended fine structure above the X-ray edge in electron energy loss spectra Journal of Physics D: Applied Physics. 9: L29-L32. DOI: 10.1088/0022-3727/9/2/003  0.72
1976 Leapman RD, Cosslett VE. Electron spectrometry of inner shell excitations Vacuum. 26: 423-426. DOI: 10.1016/0042-207X(76)90212-8  0.72
1976 Leapman RD, Cosslett VE. MICROANALYSIS BY ELECTRON SPECTROMETRY OF INNER SHELL EXCITATIONS . 133-136.  0.72
1976 Leapman RD, Cosslett VE. ELECTRON ENERGY LOSS SPECTROMETRY: MEAN FREE PATHS FOR SOME CHARACTERISTIC X-RAY EXCITATIONS Philos Mag. 33: 1-10.  0.72
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