1. Hou, S., Welsher, K. A Protocol for Real-time 3D Single Particle Tracking. J. Vis. Exp. (131), e56711, doi:10.3791/56711 (2018).

  2. Hou, S., Lang, X. & Welsher, K. Robust Real-time 3D Single Particle Tracking Using a Dynamically Moving Laser Spot. Opt. Lett. 42, 2390-2393, (2017). Featured on the Duke Research Blog!
  3. Welsher, K. & Yang, H. Imaging the behavior of molecules in biological systems: Breaking the 3D speed barrier with 3D Multi-resolution Microscopy. Faraday Discuss. 108, 359-379, (2015). Cover Story!c5fd00090d copy
  4. Welsher, K., McManus, S. A., Hsia, C.-H., Yin, S. & Yang, H. Discovery of Protein- and DNA-Imperceptible Nanoparticle Hard Coating Using Gel-Based Reaction Tuning. J. Am. Chem. Soc. 137, 580-583, (2015).141103-TOC-01
  5. Welsher, K. & Yang, H. Multi-resolution 3D visualization of the early stages of cellular uptake of peptide-coated nanoparticles. Nat. Nanotechnol. 9, 198-203, (2014).140925-landing-only-01
  6. Chen, Z., Hong, G., Wang, H., Welsher, K., Tabakman, S. M., Sherlock, S. P., Robinson, J. T., Liang, Y. & Dai, H. Graphite-Coated Magnetic Nanoparticle Microarray for Few-Cells Enrichment and Detection. ACS Nano 6, 1094-1101, (2012).
  7. Welsher, K. & Yang, H. Model-Free Analysis of Time-Dependent Single-Molecule Spectroscopy Dynamics of Biological Macromolecules. 2012 9th IEEE International Symposium on Biomedical Imaging (ISBI), 921-923, (2012).
  8. Welsher, K., Sherlock, S. P. & Dai, H. J. Deep-tissue anatomical imaging of mice using carbon nanotube fluorophores in the second near-infrared window. Proc. Natl. Acad. Sci. U. S. A. 108, 8943-8948, (2011).
  9. Hong, G. S., Tabakman, S. M., Welsher, K., Chen, Z., Robinson, J. T., Wang, H. L., Zhang, B. & Dai, H. J. Near-Infrared-Fluorescence-Enhanced Molecular Imaging of Live Cells on Gold Substrates. Angew. Chem., Int. Ed. 50, 4644-4648, (2011).
  10. Tabakman, S. M., Welsher, K., Hong, G. S. & Dai, H. J. Optical Properties of Single-Walled Carbon Nanotubes Separated in a Density Gradient: Length, Bundling, and Aromatic Stacking Effects. J. Phys. Chem. C 114, 19569-19575, (2010).
  11. Robinson, J. T., Welsher, K., Tabakman, S. M., Sherlock, S. P., Wang, H. L., Luong, R. & Dai, H. J. High Performance In Vivo Near-IR (> 1 µm) Imaging and Photothermal Cancer Therapy with Carbon Nanotubes. Nano Research 3, 779-793, (2010).
  12. Hong, G. S., Tabakman, S. M., Welsher, K., Wang, H. L., Wang, X. R. & Dai, H. J. Metal-Enhanced Fluorescence of Carbon Nanotubes. J. Am. Chem. Soc. 132, 15920-15923, (2010).
  13. Zhang, L., Tu, X. M., Welsher, K., Wang, X. R., Zheng, M. & Dai, H. J. Optical Characterizations and Electronic Devices of Nearly Pure (10,5) Single-Walled Carbon Nanotubes. J. Am. Chem. Soc. 131, 2454-2455, (2009).
  14. Welsher, K., Liu, Z., Sherlock, S. P., Robinson, J. T., Chen, Z., Daranciang, D. & Dai, H. A route to brightly fluorescent carbon nanotubes for near-infrared imaging in mice. Nat. Nanotechnol. 4, 773-780, (2009).
  15. Prencipe, G., Tabakman, S. M., Welsher, K., Liu, Z., Goodwin, A. P., Zhang, L., Henry, J. & Dai, H. PEG Branched Polymer for Functionalization of Nanomaterials with Ultralong Blood Circulation. J. Am. Chem. Soc. 131, 4783-4787, (2009).
  16. Liu, Z., Tabakman, S. M., Welsher, K. & Dai, H. Carbon nanotubes in biology and medicine: In vitro and in vivo detection, imaging and drug delivery. Nano Research 2, 85-120, (2009).
  17. Welsher, K., Liu, Z., Daranciang, D. & Dai, H. Selective Probing and Imaging of Cells with Single Walled Carbon Nanotubes as Near-Infrared Fluorescent Molecules. Nano Lett. 8, 586-590, (2008).
  18. Sun, X., Zaric, S., Daranciang, D., Welsher, K., Lu, Y., Li, X. & Dai, H. Optical properties of ultrashort semiconducting single-walled carbon nanotube capsules down to sub-10 nm. J. Am. Chem. Soc. 130, 6551-6555, (2008).
  19. Sun, X., Liu, Z., Welsher, K., Robinson, J., Goodwin, A., Zaric, S. & Dai, H. Nano-graphene oxide for cellular imaging and drug delivery. Nano Research 1, 203-212, (2008).
  20. Goodwin, A. P., Tabakman, S. M., Welsher, K., Sherlock, S. P., Prencipe, G. & Dai, H. Phospholipid-Dextran with a Single Coupling Point: A Useful Amphiphile for Functionalization of Nanomaterials. J. Am. Chem. Soc. 131, 289-296, (2008).
  21. Li, X. L., Tu, X. M., Zaric, S., Welsher, K., Seo, W. S., Zhao, W. & Dai, H. J. Selective synthesis combined with chemical separation of single-walled carbon nanotubes for chirality selection. J. Am. Chem. Soc. 129, 15770-15771, (2007).
  22. Nakayama-Ratchford, N., Bangsaruntip, S., Sun, X., Welsher, K. & Dai, H. Noncovalent Functionalization of Carbon Nanotubes by Fluorescein-Polyethylene Glycol: Supramolecular Conjugates with pH-Dependent Absorbance and Fluorescence. J. Am. Chem. Soc. 129, 2448-2449, (2007).