Quantitative imaging of disease signatures through radioactive decay signal conversion

DLJ Thorek, A Ogirala, BJ Beattie, J Grimm - Nature medicine, 2013 - nature.com
In the era of personalized medicine, there is an urgent need for in vivo techniques able to
sensitively detect and quantify molecular activities. Sensitive imaging of gamma rays is widely …

[HTML][HTML] Environment-responsive nanophores for therapy and treatment monitoring via molecular MRI quenching

C Kaittanis, TM Shaffer, A Ogirala, S Santra… - Nature …, 2014 - nature.com
The effective delivery of therapeutics to disease sites significantly contributes to drug efficacy,
toxicity and clearance. Here we demonstrate that clinically approved iron oxide …

Translatable Drug-Loaded Iron Oxide Nanophore Sensitizes Murine Melanoma Tumors to Monoclonal Antibody Immunotherapy

EP Stater, G Morcos, E Isaac, A Ogirala, HT Hsu… - ACS …, 2023 - ACS Publications
Macrophages comprise a significant portion of the immune cell compartment within tumors
and are known contributors to tumor pathology; however, cancer immunotherapies targeting …

Ultrasmall downconverting nanoparticle for enhanced Cerenkov imaging

Q Zhang, EC Pratt, R Tamura, A Ogirala, HT Hsu… - Nano …, 2021 - ACS Publications
Cerenkov imaging provides an opportunity to expand the application of approved radiotracers
and therapeutic agents by utilizing them for optical approaches, which opens new …

Ambient Light Resistant Shortwave Infrared Fluorescence Imaging for Preclinical Tumor Delineation via the pH Low-Insertion Peptide Conjugated to Indocyanine …

…, S Roberts, M Skubal, HT Hsu, A Ogirala… - Journal of Nuclear …, 2023 - Soc Nuclear Med
Shortwave infrared (900–1,700 nm) fluorescence imaging (SWIRFI) has shown significant
advantages over visible (400–650 nm) and near-infrared (700–900 nm) fluorescence imaging …

[HTML][HTML] Photophysical and biological assessment of coumarin-6 loaded polymeric nanoparticles as a cancer imaging agent

…, V Yilmaz, H Hsu, M Skubal, A Ogirala… - Sensors & …, 2023 - pubs.rsc.org
Polymeric nanoparticles can prove beneficial in oncology as they sidestep limitations
associated with traditional small-molecule pharmaceuticals. With respect to drug delivery, …

Detection of shortwave-infrared Cerenkov luminescence from medical isotopes

…, M Skubal, E Isaac, HT Hsu, A Ogirala… - Journal of Nuclear …, 2023 - Soc Nuclear Med
Medical radioisotopes produce Cerenkov luminescence (CL) from charged subatomic
particles (β +/− ) traveling faster than light in dielectric media (eg, tissue). CL is a blue-weighted …

Shortwave infrared detection of medical radioisotope Cerenkov luminescence.

…, M Skubal, E Isaac, HT Hsu, A Ogirala… - Journal of Nuclear …, 2022 - Soc Nuclear Med
Rationale: Cerenkov luminescence (CL) is produced by medical radioisotopes when
charged particles (β+/-) travel faster than light in a dielectric medium (eg tissue). CLs blue-weighted …

Dynamic 18F-FDG PET lymphography for in vivo identification of lymph node metastases in murine melanoma

H Lockau, V Neuschmelting, A Ogirala… - Journal of Nuclear …, 2018 - Soc Nuclear Med
Positron lymphography using 18 F-FDG followed by Cerenkov-guided resection of lymph
nodes in healthy mice has previously been introduced by our group. Our aim in this study was …

Exploiting the MUC5AC Antigen for Noninvasive Identification of Pancreatic Cancer

…, TM Shaffer, KN Mack, J Ring, A Ogirala… - Journal of Nuclear …, 2021 - Soc Nuclear Med
Pancreatic cancer (PC) remains the fourth leading cause of cancer death; therefore, there is
a clinically unmet need for novel therapeutics and diagnostic markers to treat this …