Kevin D. Welsher
Assistant Professor of Chemistry
Current Appointments & Affiliations
- Assistant Professor of Chemistry, Chemistry, Trinity College of Arts & Sciences 2015
Contact Information
- 2213 French Science Center, Durham, NC 27705
- Box 90348, Durham, NC 27708
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kdw32@duke.edu
(919) 660-1509
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Welsher Research Group
- Background
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Education, Training, & Certifications
- Postdoctoral Associate, Chemistry, Princeton University 2010 - 2015
- Ph.D., Stanford University 2010
- B.Sc., Emory University 2005
- Recognition
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In the News
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JUN 22, 2017 Duke Research Blog -
OCT 1, 2015
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- Research
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Selected Grants
- Publications & Artistic Works
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Selected Publications
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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
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- Teaching & Mentoring
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Recent Courses
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