The Advanced Imaging Research Center

Research Output 1970 2019

Filter
Conference contribution
2017
2 Citations (Scopus)

Radiographic-deformation and textural heterogeneity (r-DepTH): An integrated descriptor for brain tumor prognosis

Prasanna, P., Mitra, J., Beig, N., Partovi, S., Singh, G., Pinho, M., Madabhushi, A. & Tiwari, P., 2017, Medical Image Computing and Computer Assisted Intervention − MICCAI 2017 - 20th International Conference, Proceedings. Springer Verlag, Vol. 10434 LNCS. p. 459-467 9 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 10434 LNCS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Brain Tumor
Prognosis
Descriptors
Tumors
Tumor

Synthesis of PAA-PAMPS-PNaSS terpolymers as ultraviolet-tagged scale inhibitor for industrial water cooling system

Jitreewas, P., Saengvattanarat, S., Tansiri, P., Pranee, S., Chuayprakong, S., Khemtong, C. & Seeyangnok, S., Jan 1 2017, Green Convergence on Materials Frontiers - 11th Pure and Applied Chemistry International Conference, PACCON 2017. Trans Tech Publications Ltd, Vol. 757 KEM. p. 68-72 5 p. (Key Engineering Materials; vol. 757 KEM).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Water cooling systems
Terpolymers
carbopol 940
Polymers
Acrylics
2016

A generalized total effective entrapment metric (gTEE) to quantify burden of homogeneous and heterogeneous tumors in PET imaging for enhanced clinical outcome prediction

Rahmim, A., Schmidtlein, C. R., Jackson, A., Marcus, C., Ashrafinia, S., Soltani, M. & Subramaniam, R. M., Mar 10 2016, 2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014. Institute of Electrical and Electronics Engineers Inc., 7430839

Research output: Chapter in Book/Report/Conference proceedingConference contribution

entrapment
Tumor Burden
tumors
Disease-Free Survival
predictions
5 Citations (Scopus)

Comprehensive modeling of the spatiotemporal distribution of PET tracer uptake in solid tumors based on the convection-diffusion-reaction equation

Soltani, M., Sefidgar, M., Casey, M. E., Wahl, R. L., Subramaniam, R. M. & Rahmim, A., Mar 10 2016, 2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014. Institute of Electrical and Electronics Engineers Inc., 7430813

Research output: Chapter in Book/Report/Conference proceedingConference contribution

reaction-diffusion equations
Convection
tracers
convection
tumors
2 Citations (Scopus)

Effect of tumor size on drug delivery to lung tumors

Soltani, M., Sefidgar, M., Bazmara, H., Marcus, C., Subramaniam, R. M. & Rahmim, A., Oct 3 2016, 2015 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2015. Institute of Electrical and Electronics Engineers Inc., 7582238

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Drug delivery
lungs
Tumors
delivery
drugs
2015

Semi-automatic segmentation of prostate by directional search for edge boundaries

Kortelainen, J. M., Antila, K., Schmitt, A., Mougenot, C., Ehnholm, G. & Chopra, R., 2015, 22nd International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision, WSCG 2014, Communication Papers Proceedings - in co-operation with EUROGRAPHICS Association. Vaclav Skala - Union Agency, p. 285-292 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ultrasonics
Magnetic resonance imaging
Heat treatment
Tissue
Hot Temperature
2012
1 Citation (Scopus)

Acoustic characterization of multi-element, dual-frequency transducers for high-intensity contact ultrasound therapy

Burtnyk, M., N'Djin, W. A., Persaud, L., Bronskill, M. & Chopra, R., 2012, AIP Conference Proceedings. Vol. 1481. p. 26-31 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

therapy
transducers
acoustics
acoustic coupling
rectangular plates
3 Citations (Scopus)

An adaptive complex independent component analysis to analyze dynamic contrast enhanced-MRI

Mehrabian, H., Pang, I., Chopra, R. & Martel, A. L., 2012, Proceedings - International Symposium on Biomedical Imaging. p. 1052-1055 4 p. 6235739

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Independent component analysis
Magnetic resonance imaging
Pharmacokinetics
Capillary Permeability
Tumors
1 Citation (Scopus)

Dual-frequency ultrasound focal therapy for MRI-guided transurethral treatment of the prostate: Study in gel phantom

N'Djin, W. A., Mougenot, C., Kobelevskiy, I., Ramsay, E., Bronskill, M. & Chopra, R., 2012, AIP Conference Proceedings. Vol. 1503. p. 212-216 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

therapy
gels
tumors
heating
cancer
1 Citation (Scopus)

Experimental validation of a method for the prediction of the acoustic field produced by an acoustic source and the reflected field produced by a solid interface

Diaz, S., Chopra, R. & Pichardo, S., 2012, AIP Conference Proceedings. Vol. 1503. p. 101-106 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

acoustics
predictions
transducers
hydrophones
reflected waves

Investigations into the use of MRI-controlled focused ultrasound for hyperthermia-mediated drug delivery

Staruch, R., Chopra, R. & Hynynen, K., 2012, AIP Conference Proceedings. Vol. 1481. p. 362-367 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

hyperthermia
delivery
drugs
bones
rabbits
1 Citation (Scopus)

MRI-controlled interstitial ultrasound brain therapy: An initial in-vivo study

N'Djin, W. A., Burtnyk, M., Lipsman, N., Bronskill, M., Schwartz, M., Kucharczyk, W. & Chopra, R., 2012, AIP Conference Proceedings. Vol. 1503. p. 207-211 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

brain
therapy
interstitials
skull
animals

MRI-guided transurethral ultrasound therapy enables full prostate gland coagulation: Investigations in gel phantoms

N'Djin, W. A., Burtnyk, M., Patel, X., Bronskill, M. & Chopra, R., 2012, AIP Conference Proceedings. Vol. 1481. p. 265-270 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

prostate gland
coagulation
therapy
gels
glands
2011

3D conformal MRI-guided transurethral ultrasound therapy: Results of gel phantom experiments

N'Djin, W. A., Burtnyk, M., McCormick, S., Bronskill, M. & Chopra, R., 2011, AIP Conference Proceedings. Vol. 1359. p. 132-137 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

therapy
gels
configurations
temperature measurement
radii

3D MRI-controlled transurethral ultrasound prostate therapy: Experimental validation of numerical simulations

Burtnyk, M., N'Djin, W. A., Kobelevskiy, I., Bronskill, M. & Chopra, R., 2011, AIP Conference Proceedings. Vol. 1359. p. 48-52 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

therapy
transducers
gels
simulation
coagulation
5 Citations (Scopus)

Automatic mask generation using independent component analysis in dynamic contrast enhanced-MRI

Mehrabian, H., Pang, I., Chandrana, C., Chopra, R. & Martel, A. L., 2011, Proceedings - International Symposium on Biomedical Imaging. p. 1657-1661 5 p. 5872722

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Independent component analysis
Masks
Magnetic resonance imaging
Tissue
Pharmacokinetics
1 Citation (Scopus)

Investigations into thermally mediated drug delivery using a preclinical system for MRI-guided focused ultrasound

Staruch, R., Chopra, R. & Hynynen, K., 2011, AIP Conference Proceedings. Vol. 1359. p. 163-167 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

hyperthermia
thigh
delivery
drugs
temperature measurement
1 Citation (Scopus)

MRI-guided transurethral ultrasound therapy of the prostate gland: Simulations under clinical conditions

N'Djin, W. A., Burtnyk, M., Kobelevskiy, I., Bronskill, M. & Chopra, R., 2011, AIP Conference Proceedings. Vol. 1359. p. 418-423 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

prostate gland
therapy
simulation
coagulation
temperature measurement
2010

An MRI-compatible three-axis focused ultrasound system for performing drug delivery studies in small animal models

Waspe, A. C., Chau, A., Kukic, A., Chopra, R. & Hynynen, K., 2010, Progress in Biomedical Optics and Imaging - Proceedings of SPIE. Vol. 7629. 76290U

Research output: Chapter in Book/Report/Conference proceedingConference contribution

animal models
Drug Delivery Systems
Transducers
Drug delivery
Magnetic resonance imaging

An MRI-compatible three-axis focused ultrasound system for performing drug delivery studies in small animal models

Waspe, A. C., Chau, A., Kukic, A., Chopra, R. & Hynynen, K., 2010, AIP Conference Proceedings. Vol. 1215. p. 190-193 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

animal models
positioning
delivery
drugs
blood-brain barrier

Gadolinium-hydrogel-lipid hybrid nanoparticles provide 'off-on-off' MRI signals for non-invasive thermometry

Shuhendler, A. J., Gordijo, C. R., Staruch, R., Oakden, W., Stanisz, G., Chopra, R. & Wu, X. Y., 2010, Materials Research Society Symposium Proceedings. Vol. 1241. p. 66-72 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gadolinium
Hydrogel
gadolinium
Hydrogels
Magnetic resonance imaging

Histological evaluation of 3D MRI-guided transurethral ultrasound therapy in the prostate

Vedula, S., Boyes, A., Chopra, R. & Bronskill, M., 2010, AIP Conference Proceedings. Vol. 1215. p. 224-228 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

therapy
transducers
prostate gland
evaluation
heating
1 Citation (Scopus)

Investigation of parameters affecting treatment time in MRI-guided transurethral ultrasound therapy

N'Djin, W. A., Burtnyk, M., Chopra, R. & Bronskill, M. J., 2010, AIP Conference Proceedings. Vol. 1215. p. 323-326 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

therapy
transducers
radii
acoustics
temperature
1 Citation (Scopus)

Quantitative measures for evaluation of ultrasound therapies of the prostate

Kobelevskiy, I., Burtnyk, M., Bronskill, M. & Chopra, R., 2010, AIP Conference Proceedings. Vol. 1215. p. 229-233 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

therapy
evaluation
temperature measurement
temperature
cancer

Thermal analysis of the surrounding anatomy during 3-D MRI-guided transurethral ultrasound prostate therapy

Burtnyk, M., Chopra, R. & Bronskill, M., 2010, AIP Conference Proceedings. Vol. 1215. p. 251-255 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

anatomy
rectum
therapy
thermal analysis
bones
2009

Feasibility of MRI-guided focused ultrasound as organ-sparing treatment for testicular cancer

Staruch, R., Curiel, L., Chopra, R. & Hynynena, K., 2009, AIP Conference Proceedings. Vol. 1113. p. 134-138 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

testes
surgery
organs
cancer
coagulation

Histological evaluation of prostate tissue response to image-guided transurethral thermal therapy after a 48h recovery period

Boyesa, A., Tanga, K., Chopra, R. & Bronskill, M., 2009, AIP Conference Proceedings. Vol. 1113. p. 111-115 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

therapy
recovery
animals
margins
evaluation

MRI-controlled rapidly scanned focused ultrasound hyperthermia for temperature sensitive localized drug delivery

Staruch, R., Wachsmuth, J., Chopra, R. & Hynynena, K., 2009, AIP Conference Proceedings. Vol. 1113. p. 438-442 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

hyperthermia
delivery
drugs
transducers
trajectories

Multi-channel RF system for MRI-guided transurethral ultrasound thermal therapy

Yak, N., Asselin, M., Chopra, R. & Bronskill, M., 2009, AIP Conference Proceedings. Vol. 1113. p. 382-386 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

therapy
heating
signal generators
glands
low pass filters
3 Citations (Scopus)

Off-resonance saturation magnetic resonance imaging of superparamagnetic polymeric micelles

Khemtong, C., Kessinger, C. W., Togao, O., Ren, J., Takahashi, M., Sherry, A. D. & Gao, J., 2009, Proceedings of the 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society: Engineering the Future of Biomedicine, EMBC 2009. p. 4095-4097 3 p. 5334550

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Micelles
Magnetic resonance
Magnetic Resonance Imaging
Imaging techniques
Magnetic resonance imaging

The feasibility of integrating elastography measurements into mri-guided transurethral ultrasound therapy

Arani, A., Huang, Y., Bronskill, M. & Chopra, R., 2009, AIP Conference Proceedings. Vol. 1113. p. 265-269 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

S waves
therapy
wave propagation
rods
actuators

Theoretical analysis of the accuracy and safety of MRI-guided transurethral 3-D conformal ultrasound prostate therapy

Burtnyk, M., Chopra, R. & Bronskill, M., 2009, AIP Conference Proceedings. Vol. 1113. p. 180-184 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

therapy
safety
coagulation
cancer
prostate gland

Three-dimensional thermal therapy using multiple planar ultrasound transducers with real-time MR temperature feedback in gel phantoms

Tang, K., Asselin, M., Burtnyk, M., Chopra, R. & Bronskill, M., 2009, AIP Conference Proceedings. Vol. 1113. p. 309-313 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

therapy
transducers
gels
glands
temporal resolution
1 Citation (Scopus)

Ultrasound delivery of an anti-Aβ therapeutic agent to the brain in a mouse model of Alzheimer's disease

Jordao, J. F., Ayala-Grosso, C. A., Chopra, R., McLaurin, J., Aubert, I. & Hynynena, K., 2009, AIP Conference Proceedings. Vol. 1113. p. 428-432 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

brain
mice
delivery
blood-brain barrier
antibodies
2007

Accurate histological techniques to evaluate critical temperature thresholds for prostate in vivo

Bronskill, M., Chopra, R., Boyes, A., Tang, K. & Sugar, L., 2007, AIP Conference Proceedings. Vol. 911. p. 265-271 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

critical temperature
damage
thresholds
estimates
temperature

Adaptive thermal therapy using planar ultrasound transducers with real-time MR temperature feedback: Demonstration in gel phantoms and ex-vivo tissues

Tang, K., Choy, V., Chopra, R. & Bronskill, M., 2007, AIP Conference Proceedings. Vol. 911. p. 300-306 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

therapy
transducers
gels
cooling
heating

Local harmonic motion for in vivo focused ultrasound surgery monitoring

Curiel, L., Chopra, R. & Hynynen, K., 2007, Proceedings - IEEE Ultrasonics Symposium. p. 1961-1964 4 p. 4410066

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Surgery
Ultrasonics
Monitoring
Transducers
Sonication

Simulation of MRI-guided transurethral conformal 3-D ultrasound therapy of the prostate

Burtnyk, M., Chopra, R. & Bronskill, M., 2007, AIP Conference Proceedings. Vol. 911. p. 413-419 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

therapy
prostate gland
damage
heating
delivery

Simultaneous contrast ultrasound and DCE MRI for improved breast tumour characterization: demonstration of technical feasibility

Chopra, R., Goertz, D., Curiel, L. & Hynynen, K., 2007, Proceedings - IEEE Ultrasonics Symposium. p. 644-647 4 p. 4409740

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Magnetic resonance imaging
Tumors
Demonstrations
Ultrasonics
Imaging techniques

Zinc superparamagnetic iron oxide nanoparticles for use as MRI contrast agents

Barcena, C., Khemtong, C., Chaubey, G. S., Kessinger, C. W., Liu, J. P. & Gao, J., 2007, Proceedings of the ASME Summer Bioengineering Conference 2007, SBC 2007. p. 49-50 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Zinc oxide
Magnetic resonance imaging
Contrast Media
Nanoparticles
ferric oxide
2006

MRI-guided transurethral thermal therapy for prostate disease: In-vivo demonstration in a canine model

Chopra, R., Baker, N., Boyes, A., Choy, V., Tang, K., Teahan, S., Klotz, L., Sugar, L., Haider, M. A. & Bronskill, M., May 8 2006, AIP Conference Proceedings. Vol. 829. p. 400-404 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

prostate gland
therapy
heating
phased arrays
positioning

Multi-element transducers for conformal transurethral thermal therapy

Baker, N., Desouza, A., Yin, J., Boyes, A., Lukacs, M., Chopra, R., Foster, S. & Bronskill, M., May 8 2006, AIP Conference Proceedings. Vol. 829. p. 415-419 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

therapy
transducers
fabrication
acoustic measurement
lesions
3 Citations (Scopus)

Simultaneous US/MR imaging

Curiel, L., Chopra, R. & Hynynen, K., 2006, Proceedings - IEEE Ultrasonics Symposium. Vol. 1. p. 1643-1646 4 p. 4152270

Research output: Chapter in Book/Report/Conference proceedingConference contribution

transducers
strings
pulses
interference
Nylon (trademark)

The feasibility of conformal thermal therapy with transurethral ultrasound heating applicators and mr temperature feedback

Choy, V., Tang, K., Wachsmuth, J., Chopra, R. & Bronskill, M., May 8 2006, AIP Conference Proceedings. Vol. 829. p. 146-150 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

therapy
heating
magnetic resonance
spatial resolution
temporal resolution
2005
1 Citation (Scopus)

Development of a system for MRI-guided thermal therapy of prostate disease with transurethral ultrasound heating applicators

Chopra, R., Baker, N., Choy, V. & Bronskill, M., 2005, Progress in Biomedical Optics and Imaging - Proceedings of SPIE. Ryan, T. P. (ed.). Vol. 5698. p. 23-31 9 p. 03

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Applicators
Magnetic resonance imaging
Ultrasonics
Heating
Tissue
2004
6 Citations (Scopus)

A gel phantom for the calibration of MR-guided ultrasound thermal therapy

Lochhead, S., Bradwell, D., Chopra, R. & Bronskill, M. J., 2004, Proceedings - IEEE Ultrasonics Symposium. Yuhas, M. P. (ed.). Vol. 2. p. 1481-1483 3 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gels
Ultrasonics
Calibration
Acoustic properties
Magnetic resonance imaging
4 Citations (Scopus)

Engineering lanthanide complexes with controlled water exchange rates for magnetic resonance imaging

Woods, M. & Sherry, A. D., 2004, Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings. Vol. 26 VII. p. 5254-5257 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lanthanoid Series Elements
Magnetic resonance
Rare earth elements
Imaging techniques
Water

Feasibility of MRI-guided transurethral thermal therapy for prostate cancer

Chopra, R., Burtnyk, M., Baker, S. N., Choy, V., Lochhead, S. & Bronskill, M. J., 2004, Proceedings - IEEE Ultrasonics Symposium. Yuhas, M. P. (ed.). Vol. 1. p. 713-715 3 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Magnetic resonance imaging
Applicators
Industrial heating
Ultrasonics
Cooling
2003

A control system for MRI-guided conformal interstitial thermal therapy

Chopra, R., Baker, S. N., Burtnyk, M., Weymouth, A. J. & Bronskill, M. J., 2003, Lecture Notes in Computer Science. Ellis, R. E. & Peters, T. M. (eds.). PART 2 ed. Vol. 2879. p. 271-276 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Magnetic resonance imaging
Control systems
Heating
Applicators
Coagulation
2001

Multi-frequency interstitial ultrasound applicator for conformal thermal therapy

Chopra, R., Luginbuhl, C., Weymouth, A. J., Foster, F. S. & Bronskill, M. J., 2001, Proceedings of the IEEE Ultrasonics Symposium. Vol. 2. p. 1335-1338 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Applicators
Ultrasonics
Transducers
Tissue
Heating