by | Jul 5, 2022 | Achilefu, Samuel, Meng, Hongyu, Mondal, Suman, O'Brien, Christine, Shmuylovich, Leonid
— Background
Temperature differences between tumor and healthy tissue due to increased blood flow and metabolic activity are exploited for thermal imaging (TI) as an adjunct imaging modality for cancer diagnosis. Despite many technological advances and recent improvements, TI has a limited tumor dept…
by | Feb 14, 2020 | Achilefu, Samuel
— Description: Calcium Carbonate nanoparticles for normalizing tumor microenvironment
Publication: Som A, Raliya R, Tian L, Akers W, Ippolito JE, Singamaneni S, Biswas P, Achilefu S. Monodispersed calcium carbonate nanoparticles modulate local pH and inhibit tumor growth in vivo. Nanoscale. 2016 Jul …
by | Mar 10, 2018 | Achilefu, Samuel, Kotagiri, Nalinikanth
— Background: Around 1 million patients receive radiation therapy every year with an estimated cost of $2,000 per treatment. The market demands technologies that can provide efficacious therapeutics and diagnostic imaging while minimizing harmful side effects. Photodynamic therapy can simultaneously s…
by | Mar 10, 2018 | Achilefu, Samuel, Black, Kvar
— This invention is the formulation of a SPECT nanoparticle probe for the detection of MMP activity. The surface of a 10 nm-sized gold nanoparticle is functionalized through a thiol anchor with a peptide that is cleaved in the presence of MMP9. The surface is also functionalized with methoxy polyethyl…
by | Mar 10, 2018 | Achilefu, Samuel, Biswas, Pratim, Raliya, Ramesh, Som, Avik
— Background: Physiological pH changes consistently affect millions of people worldwide. A slight variation in physiological pH exposes the body to various health risks, ranging from common heartburn to the formation of malignant tumors. Conventional methods for buffering pH are accomplished through a…
by | Mar 10, 2018 | Achilefu, Samuel, Berezin, Mikhail, Zhang, Zongren
— Background: Near Infrared (NIR) fluorescence can be highly useful in biological systems as it is highly sensitive and allows for detection and imaging of physiological and molecular processes in cells and living organisms. However, radiometric imaging is difficult in the NIR region of the light spec…