Search Results - "Upputuri, Paul Kumar"
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Photoacoustic imaging in the second near-infrared window: a review
Published in Journal of biomedical optics (01-04-2019)“…Photoacoustic (PA) imaging is an emerging medical imaging modality that combines optical excitation and ultrasound detection. Because ultrasound scatters much…”
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Recent advances in photoacoustic contrast agents for in vivo imaging
Published in Wiley interdisciplinary reviews. Nanomedicine and nanobiotechnology (01-07-2020)“…Photoacoustic imaging (PAI) is a noninvasive hybrid imaging modality offering rich optical contrast and high depth‐to‐resolution ratio deep‐tissue imaging…”
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Activatable Photoacoustic Nanoprobes for In Vivo Ratiometric Imaging of Peroxynitrite
Published in Advanced materials (Weinheim) (01-02-2017)“…Organic semiconducting nanoprobes doped with bulky borane can undergo specific activation by ONOO− even at tumor‐relevant acidic pH (6.8), permitting in vivo…”
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Broadband Absorbing Semiconducting Polymer Nanoparticles for Photoacoustic Imaging in Second Near-Infrared Window
Published in Nano letters (09-08-2017)“…Photoacoustic (PA) imaging holds great promise for preclinical research and clinical practice. However, most studies rely on the laser wavelength in the first…”
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Transformable hybrid semiconducting polymer nanozyme for second near-infrared photothermal ferrotherapy
Published in Nature communications (20-04-2020)“…Despite its growing promise in cancer treatment, ferrotherapy has low therapeutic efficacy due to compromised Fenton catalytic efficiency in tumor milieu. We…”
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Metabolizable Semiconducting Polymer Nanoparticles for Second Near‐Infrared Photoacoustic Imaging
Published in Advanced materials (Weinheim) (01-03-2019)“…Photoacoustic (PA) imaging in the second near‐infrared (NIR‐II) window (1000–1700 nm) holds great promise for deep‐tissue diagnosis due to the reduced light…”
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Compact Plasmonic Blackbody for Cancer Theranosis in the Near-Infrared II Window
Published in ACS nano (27-03-2018)“…We have developed a class of blackbody materials, i.e., hyperbranched Au plasmonic blackbodies (AuPBs), of compact sizes (<50 nm). The AuPBs were prepared in a…”
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Fast photoacoustic imaging systems using pulsed laser diodes: a review
Published in Biomedical engineering letters (01-05-2018)“…Photoacoustic imaging (PAI) is a newly emerging imaging modality for preclinical and clinical applications. The conventional PAI systems use Q-switched…”
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Amphiphilic semiconducting polymer as multifunctional nanocarrier for fluorescence/photoacoustic imaging guided chemo-photothermal therapy
Published in Biomaterials (01-11-2017)“…Chemo-photothermal nanotheranostics has the advantage of synergistic therapeutic effect, providing opportunities for optimized cancer therapy. However, current…”
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Recent advances toward preclinical and clinical translation of photoacoustic tomography: a review
Published in Journal of biomedical optics (01-04-2017)“…Photoacoustic imaging is an emerging hybrid imaging modality that can provide multicontrast, multiscale imaging of biological features ranging from organelles…”
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11
Near‐infrared light‐sensitive liposomes for enhanced plasmid DNA transfection
Published in Bioengineering & translational medicine (01-09-2016)“…Near‐infrared (NIR) light‐responsive liposomes are attractive carriers for targeted and controlled drug delivery to the superficial organ or tissue (e.g.,…”
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Dynamic in vivo imaging of small animal brain using pulsed laser diode-based photoacoustic tomography system
Published in Journal of biomedical optics (01-09-2017)“…We demonstrate dynamic in vivo imaging using a low-cost portable pulsed laser diode (PLD)-based photoacoustic tomography system. The system takes advantage of…”
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Performance characterization of low-cost, high-speed, portable pulsed laser diode photoacoustic tomography (PLD-PAT) system
Published in Biomedical optics express (01-10-2015)“…Photoacoustic tomography systems that uses Q-switched Nd:YAG/OPO pulsed lasers are expensive, bulky, and hence limits its use in clinical applications. The low…”
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Microsphere-aided optical microscopy and its applications for super-resolution imaging
Published in Optics communications (01-12-2017)“…The spatial resolution of a standard optical microscope (SOM) is limited by diffraction. In visible spectrum, SOM can provide ∼200nm resolution. To break the…”
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High-speed, low-cost, pulsed-laser-diode-based second-generation desktop photoacoustic tomography system
Published in Optics letters (01-01-2019)“…Bulky, expensive Nd:YAG lasers are used in conventional photoacoustic tomography (PAT) systems, making them difficult to translate into clinics. Moreover,…”
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Redox-Activatable and Acid-Enhanced Nanotheranostics for Second Near-Infrared Photoacoustic Tomography and Combined Photothermal Tumor Therapy
Published in ACS nano (28-05-2019)“…Tumor phototheranostics in the second near-infrared window (NIR-II, 1000–1700 nm) holds great promise due to high spatiotemporal precision, enhanced…”
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Self-quenched semiconducting polymer nanoparticles for amplified in vivo photoacoustic imaging
Published in Biomaterials (01-03-2017)“…Abstract Development of photoacoustic (PA) imaging agents provides opportunities for advancing PA imaging in fundamental biology and medicine. Despite the…”
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Microsphere enabled subdiffraction-limited optical-resolution photoacoustic microscopy: a simulation study
Published in Journal of biomedical optics (01-04-2017)“…Optical resolution photoacoustic microscopy (ORPAM) is a high-resolution hybrid imaging modality having potential for microscale in vivo imaging. Optical…”
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Chirped time-resolved CARS microscopy with square-pulse excitation
Published in Optics express (21-04-2014)“…Time-resolved coherent anti-Stokes Raman scattering (T-CARS) microscopy is a technique known for suppressing non-resonant background by utilizing the different…”
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Near-infrared light-responsive liposomal contrast agent for photoacoustic imaging and drug release applications
Published in Journal of biomedical optics (01-04-2017)“…Photoacoustic imaging has become an emerging tool for theranostic applications. Not only does it help in in vivo, noninvasive imaging of biological structures…”
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