|High contrast in vitro and in vivo photoluminescence bioimaging using near infrared to near infrared up-conversion in Tm3+ and Yb3+ doped fluoride nanophosphors|
M Nyk, R Kumar, TY Ohulchanskyy, EJ Bergey, PN Prasad
Nano letters 8 (11), 3834, 2008
|Combined optical and MR bioimaging using rare earth ion doped NaYF4 nanocrystals|
R Kumar, M Nyk, TY Ohulchanskyy, CA Flask, PN Prasad
Advanced Functional Materials 19 (6), 853-859, 2009
|Ultrasmall Monodisperse NaYF4:Yb3+/Tm3+ Nanocrystals with Enhanced Near-Infrared to Near-Infrared Upconversion Photoluminescence|
G Chen, TY Ohulchanskyy, R Kumar, H Ågren, PN Prasad
ACS nano 4 (6), 3163-3168, 2010
|In Vivo Biodistribution and Clearance Studies Using Multimodal Organically Modified Silica Nanoparticles|
R Kumar, I Roy, TY Ohulchanskky, LA Vathy, EJ Bergey, M Sajjad, ...
ACS nano 4 (2), 699-708, 2010
|Response speed of SnO2-based H2S gas sensors with CuO nanoparticles|
A Chowdhuri, V Gupta, K Sreenivas, R Kumar, S Mozumdar, PK Patanjali
Applied Physics Letters 84 (7), 1180-1182, 2004
|In Vivo Targeted Cancer Imaging, Sentinel Lymph Node Mapping and Multi-Channel Imaging with Biocompatible Silicon Nanocrystals|
F Erogbogbo, KT Yong, I Roy, R Hu, WC Law, W Zhao, H Ding, F Wu, ...
ACS nano 5 (1), 413-423, 2011
|Covalently dye-linked, surface-controlled, and bioconjugated organically modified silica nanoparticles as targeted probes for optical imaging|
R Kumar, I Roy, TY Ohulchanskyy, LN Goswami, AC Bonoiu, EJ Bergey, ...
Acs Nano 2 (3), 449-456, 2008
|Photoluminescent carbon dots as biocompatible nanoprobes for targeting cancer cells in vitro|
Q Li, TY Ohulchanskyy, R Liu, K Koynov, D Wu, A Best, R Kumar, ...
The Journal of Physical Chemistry C, 2010
|Nanotechnology approach for drug addiction therapy: gene silencing using delivery of gold nanorod-siRNA nanoplex in dopaminergic neurons|
AC Bonoiu, SD Mahajan, H Ding, I Roy, KT Yong, R Kumar, R Hu, ...
Proceedings of the National Academy of Sciences 106 (14), 5546-5550, 2009
|Roadmap to Clinical Use of Gold Nanoparticles for Radiation Sensitization|
J Schuemann, R Berbeco, DB Chithrani, SH Cho, R Kumar, SJ McMahon, ...
International Journal of Radiation Oncology* Biology* Physics 94 (1), 189-205, 2016
|Targeted radiotherapy with gold nanoparticles: current status and future perspectives|
W Ngwa, R Kumar, S Sridhar, H Korideck, P Zygmanski, RA Cormack, ...
Nanomedicine 9 (7), 1063-1082, 2014
|Nanoparticle mediated tumor vascular disruption: a novel strategy in radiation therapy|
S Kunjachan, A Detappe, R Kumar, T Ireland, L Cameron, DE Biancur, ...
Nano letters 15 (11), 7488-7496, 2015
|MMP-9 gene silencing by a quantum dot–siRNA nanoplex delivery to maintain the integrity of the blood brain barrier|
A Bonoiu, SD Mahajan, L Ye, R Kumar, H Ding, KT Yong, I Roy, ...
Brain research 1282, 142-155, 2009
|Organically modified silica nanoparticles are biocompatible and can be targeted to neurons in vivo|
F Barandeh, PL Nguyen, R Kumar, GJ Iacobucci, ML Kuznicki, ...
PloS one 7 (1), 2012
|In vitro radiosensitization by gold nanoparticles during continuous low-dose-rate gamma irradiation with I-125 brachytherapy seeds|
W Ngwa, H Korideck, AI Kassis, R Kumar, S Sridhar, GM Makrigiorgos, ...
Nanomedicine: Nanotechnology, Biology and Medicine 9 (1), 25-27, 2013
|Hollow gold nanoparticles encapsulating horseradish peroxidase|
R Kumar, AN Maitra, PK Patanjali, P Sharma
Biomaterials 26 (33), 6743-6753, 2005
|DNA Damage Enhancement from Gold Nanoparticles for Clinical MV Photon Beams|
RI Berbeco, H Korideck, W Ngwa, R Kumar, J Patel, S Sridhar, S Johnson, ...
Radiation Research, 2012
|In vitro evaluation of theranostic polymeric micelles for imaging and drug delivery in cancer|
R Kumar, A Kulkarni, DK Nagesha, S Sridhar
Theranostics 2 (7), 714, 2012
|Near-infrared phosphorescent polymeric nanomicelles: efficient optical probes for tumor imaging and detection|
R Kumar, TY Ohulchanskyy, I Roy, SK Gupta, C Borek, ME Thompson, ...
ACS applied materials & interfaces 1 (7), 1474-1481, 2009
|Bioconjugation of luminescent silicon quantum dots to gadolinium ions for bioimaging applications|
FA Erogbogbo, CW Chang, JL May, L Liu, R Kumar, WC Law, H Ding, ...