Nanoparticles

Nanoradiator-Mediated Deterministic Opto-Thermoelectric Manipulation

Optical manipulation of colloidal nanoparticles and molecules is significant in numerous fields. Opto-thermoelectric nanotweezers …

Yaoran Liu, Linhan Lin, Bharath Rajeeva, Jeremy Jarrett, Xintong Li, Xiaolei Peng, Pavana Kollipara, Kan Yao, Deji Akinwande, Andrew Dunn, Yuebing Zheng

Controlling plasmon-enhanced fluorescence via intersystem crossing in photoswitchable molecules

By harnessing photoswitchable intersystem crossing (ISC) in spiropyran (SP) molecules, active control of plasmon-enhanced fluorescence …

Mingsong Wang, Gregory Hartmann, Zilong Wu, Leonardo Scarabelli, Bharath Rajeeva, Jeremy Jarrett, Evan Perillo, Andrew Dunn, Luis Liz-Marzán, Gyeong Hwang, Yuebing Zheng

Molecular-Fluorescence Enhancement via Blue-Shifted Plasmon-Induced Resonance Energy Transfer

We report molecular-fluorescence enhancement via the blue-shifted plasmon-induced resonance energy transfer (PIRET) from single Au …

Mingsong Wang, Bharath Rajeeva, Leonardo Scarabelli, Evan Perillo, Andrew Dunn, Luis Liz-Marzán, Yuebing Zheng

Bubble-Pen Lithography

Current lithography techniques, which employ photon, electron, or ion beams to induce chemical or physical reactions for …

Linhan Lin, Xiaolei Peng, Zhangming Mao, Wei Li, Maruthi Yogeesh∥, Bharath Rajeeva, Evan Perillo, Andrew Dunn, Deji Akinwande, Yuebing Zheng

Regioselective localization and tracking of biomolecules on single gold nanoparticles

Selective localization of biomolecules at the hot spots of a plasmonic nanoparticle is an attractive strategy to exploit the …

Bharath Rajeeva, Derek Hernandez, Mingsong Wang, Evan Perillo, Linhan Lin, Leonardo Scarabelli, Bharadwaj Pingali, Luis Liz-Marzán, Andrew Dunn, Jason Shear, Yuebing Zheng

Narrow band imaging of squamous cell carcinoma tumors using topically delivered anti‐EGFR antibody conjugated gold nanorods

Background: Nanoparticles have recently gained interest as exogenous contrast agents in a variety of biomedical applications related to …

Priyaveena Puvanakrishnan, Parmeswaran Diagaradjane, S. M. Shams Kazmi, Andrew Dunn, Sunil Krishnan, James Tunnell

Combined two-photon luminescence microscopy and OCT for macrophage detection in the hypercholesterolemic rabbit aorta using plasmonic gold nanorose

Background and Objectives: The macrophage is an important early cellular marker related to risk of future rupture of atherosclerotic …

Tianyi Wang, J Jacob Mancuso, S. M. Shams Kazmi, Jordan Dwelle, Veronika Sapozhnikova, Brian Willsey, Li Ma, Jinze Qiu, Xiankai Li, Andrew Dunn, Keith Johnston, Marc Feldman, Thomas Milner

Intra-organ biodistribution of gold nanoparticles using intrinsic two-photon-induced photoluminescence

Background and Objectives: Gold nanoparticles (GNPs) such as gold nanoshells (GNSs) and gold nanorods (GNRs) have been explored in a …

Jaesook Park, Arnold Estrada, Jon Schwartz, Parmeswaran Diagaradjane, Sunil Krishnan, Andrew Dunn, James Tunnell

Two-photon-induced photoluminescence imaging of tumors using near-infrared excited gold nanoshells

Gold nanoshells (dielectric silica core/gold shell) are a novel class of hybrid metal nanoparticles whose unique optical properties …

Jaesook Park, Arnold Estrada, Kelly Sharp, Krystina Sang, Jon Schwartz, Danielle Smith, Chris Coleman, J Donald Payne, Brian Korgel, Andrew Dunn, James Tunnell