Scholars@Duke

• Background
• 

  Education, Training, & Certifications

  • Postdoctoral Associate, Chemistry, Princeton University 2010 - 2015
  • Ph.D., Stanford University 2010
  • B.Sc., Emory University 2005
• Recognition
• 

  In the News

  • JUN 22, 2017

    Duke Research Blog

    3D Virus Cam Catches Germs Red-Handed

  • OCT 1, 2015

    Kevin Welsher: Blocking the Virus Torpedo
• Research
• 

  Selected Grants

  • CAREER: Target-locked single molecule spectroscopy and super-resolution microscopy awarded by  National Science Foundation 2019 - 2024
  • Unraveling the Viral Infection Pathway with Virus-locked Observation awarded by National Institutes of Health 2017 - 2022
• Publications & Artistic Works
• 

  Selected Publications

  • Academic Articles

    • Hou, S, and Welsher, K. "A protocol for real-time 3D single particle tracking." Journal of Visualized Experiments 2018, no. 131 (January 3, 2018).  Full Text
    • Hou, S, Lang, X, and Welsher, K. "Robust real-time 3D single-particle tracking using a dynamically moving laser spot." Optics letters 42, no. 12 (June 2017): 2390-2393.  Full Text
    • Welsher, K, McManus, SA, Hsia, C-H, Yin, S, and Yang, H. "Discovery of protein- and DNA-imperceptible nanoparticle hard coating using gel-based reaction tuning." Journal of the American Chemical Society 137, no. 2 (January 12, 2015): 580-583.  Full Text
    • Welsher, K, and Yang, H. "Imaging the behavior of molecules in biological systems: breaking the 3D speed barrier with 3D multi-resolution microscopy." Faraday Discussions 184 (January 2015): 359-379.  Full Text
    • Welsher, K, and Yang, H. "Multi-resolution 3D visualization of the early stages of cellular uptake of peptide-coated nanoparticles." Nature Nanotechnology 9, no. 3 (March 2014): 198-203.  Full Text
    • Welsher, K, and Yang, H. "Three-dimensional target-locking microscopy." Optics Infobase Conference Papers (January 1, 2013).
    • Welsher, K, and Yang, H. "Model-free analysis of time-dependent single-molecule spectroscopy: Dynamics of biological macromolecules." 2012 9th Ieee International Symposium on Biomedical Imaging (Isbi) (May 2012).  Full Text
    • Chen, Z, Hong, G, Wang, H, Welsher, K, Tabakman, SM, Sherlock, SP, Robinson, JT, Liang, Y, and Dai, H. "Graphite-coated magnetic nanoparticle microarray for few-cells enrichment and detection." ACS nano 6, no. 2 (February 2012): 1094-1101.  Full Text
    • Welsher, K, Sherlock, SP, and Dai, H. "Deep-tissue anatomical imaging of mice using carbon nanotube fluorophores in the second near-infrared window." Proceedings of the National Academy of Sciences of the United States of America 108, no. 22 (May 16, 2011): 8943-8948.  Full Text
    • Hong, G, Tabakman, SM, Welsher, K, Chen, Z, Robinson, JT, Wang, H, Zhang, B, and Dai, H. "Near-infrared-fluorescence-enhanced molecular imaging of live cells on gold substrates." Angewandte Chemie (International ed. in English) 50, no. 20 (May 2011): 4644-4648.  Full Text
    • Tabakman, SM, Welsher, K, Hong, G, and Dai, H. "Optical properties of single-walled carbon nanotubes separated in a density gradient: Length, bundling, and aromatic stacking effects." Journal of Physical Chemistry C 114, no. 46 (November 25, 2010): 19569-19575.  Full Text
    • Hong, G, Tabakman, SM, Welsher, K, Wang, H, Wang, X, and Dai, H. "Metal-enhanced fluorescence of carbon nanotubes." Journal of the American Chemical Society 132, no. 45 (November 2010): 15920-15923.  Full Text
    • Robinson, JT, Welsher, K, Tabakman, SM, Sherlock, SP, Wang, H, Luong, R, and Dai, H. "High performance in vivo near-IR (>1 μm) imaging and photothermal cancer therapy with carbon nanotubes." Nano Research 3, no. 11 (January 1, 2010): 779-793.  Full Text
    • Welsher, K, Liu, Z, Sherlock, SP, Robinson, JT, Chen, Z, Daranciang, D, and Dai, H. "A route to brightly fluorescent carbon nanotubes for near-infrared imaging in mice." Nature Nanotechnology 4, no. 11 (November 2009): 773-780.  Full Text
    • Liu, Z, Tabakman, S, Welsher, K, and Dai, H. "Carbon nanotubes in biology and medicine: In vitro and in vivo detection, imaging and drug delivery." Nano Research 2, no. 2 (April 27, 2009): 85-120.  Full Text
    • Prencipe, G, Tabakman, SM, Welsher, K, Liu, Z, Goodwin, AP, Zhang, L, Henry, J, and Dai, H. "PEG branched polymer for functionalization of nanomaterials with ultralong blood circulation." Journal of the American Chemical Society 131, no. 13 (April 2009): 4783-4787.  Full Text
    • Zhang, L, Tu, X, Welsher, K, Wang, X, Zheng, M, and Dai, H. "Optical characterizations and electronic devices of nearly pure (10,5) single-walled carbon nanotubes." Journal of the American Chemical Society 131, no. 7 (February 2009): 2454-2455.  Full Text
    • Goodwin, AP, Tabakman, SM, Welsher, K, Sherlock, SP, Prencipe, G, and Dai, H. "Phospholipid-dextran with a single coupling point: a useful amphiphile for functionalization of nanomaterials." Journal of the American Chemical Society 131, no. 1 (January 2009): 289-296.  Full Text
    • Sun, X, Zaric, S, Daranciang, D, Welsher, K, Lu, Y, Li, X, and Dai, H. "Optical properties of ultrashort semiconducting single-walled carbon nanotube capsules down to sub-10 nm." Journal of the American Chemical Society 130, no. 20 (May 21, 2008): 6551-6555.  Full Text
    • Welsher, K, Liu, Z, Daranciang, D, and Dai, H. "Selective probing and imaging of cells with single walled carbon nanotubes as near-infrared fluorescent molecules." Nano letters 8, no. 2 (February 2008): 586-590.  Full Text
    • Li, X, Tu, X, Zaric, S, Welsher, K, Won, SS, Zhao, W, and Dai, H. "Selective synthesis combined with chemical separation of single-walled carbon nanotubes for chirality selection." Journal of the American Chemical Society 129, no. 51 (December 26, 2007): 15770-15771.  Full Text
    • Nakayama-Ratchford, N, Bangsaruntip, S, Sun, X, Welsher, K, and Dai, H. "Noncovalent functionalization of carbon nanotubes by fluorescein-polyethylene glycol: supramolecular conjugates with pH-dependent absorbance and fluorescence." Journal of the American Chemical Society 129, no. 9 (March 2007): 2448-2449.  Full Text
• Teaching & Mentoring
• 

  Recent Courses

  • CHEM 301: Elements of Physical Chemistry 2019
  • CHEM 393: Research Independent Study 2019
  • CHEM 394: Research Independent Study 2019
  • CHEM 493: Research Independent Study 2019
  • CHEM 494: Research Independent Study 2019
  • CHEM 590: Special Topics in Chemistry 2019

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