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John B. Weaver, PhD

Professor of Radiology


U. Arizona, BS 1977
U. Virginia, PHD 1983

Contact Information:

Department of Radiology
DHMC, One Medical Center Drive
Lebanon NH 03756

Office: DHMC, Building 2, Level 3
Phone: 603-650-8270
Fax: 603-650-5455
Email: john.b.weaver@hitchcock.org

Assistant: Wendi L. Jewell
Asst. Phone: 603-650-7443
Asst. Email: Wendi.L.Jewell@hitchcock.org

Professional Interests:

Interests include MR elastography, magnetic nanoparticle imaging, using magnetic nanoparticles as biomarkers for temperature and tissue stiffness, MR acquisition and pulse sequence development, digital image processing.

Grant Information:

PI: R01 DK063013-01A2 NIH-NIDDK
Mapping the Mechanical Properties of the Diabetic Foot

PI: MR-Based Elasticity: Project I of Program Project P01 CA080138-05 (Paulsen)
Alternative Breast Cancer Imaging Modalities

PI: Project 2 “Spectroscopic Quantification of Ligand Binding in Vivo.”
“Dartmouth Center for Cancer Nanotechnology Excellence”
Source: NCI - Centers of Cancer Nanotechnology Excellence PI: Ian Baker

Selected Publications:


Harmonic phase angles used for nanoparticle sensing.
Shi Y, Khurshid H, Ness DB, Weaver JB
Phys Med Biol. 2017 Oct 4;62(20):8102-8115. doi: 10.1088/1361-6560/aa8a4a. Epub 2017 Oct 4.
PMID: 28872052

A numerical framework for interstitial fluid pressure imaging in poroelastic MRE.
Tan L, McGarry MDJ, Van Houten EEW, Ji M, Solamen L, Zeng W, Weaver JB, Paulsen KD
PLoS One. 2017;12(6):e0178521. doi: 10.1371/journal.pone.0178521. Epub 2017 Jun 6.
PMID: 28586393

Blood clot detection using magnetic nanoparticles.
Khurshid H, Friedman B, Berwin B, Shi Y, Ness DB, Weaver JB
AIP Adv. 2017 May;7(5):056723. doi: 10.1063/1.4977073. Epub 2017 Feb 16.
PMID: 28289550

Gradient-Based Optimization for Poroelastic and Viscoelastic MR Elastography.
Tan L, McGarry MD, Van Houten EE, Ji M, Solamen L, Weaver JB, Paulsen KD
IEEE Trans Med Imaging. 2017 Jan;36(1):236-250. doi: 10.1109/TMI.2016.2604568. Epub 2016 Aug 31.
PMID: 27608454

Generalized Scaling and the Master Variable for Brownian Magnetic Nanoparticle Dynamics.
Reeves DB, Shi Y, Weaver JB
PLoS One. 2016;11(3):e0150856. doi: 10.1371/journal.pone.0150856. Epub 2016 Mar 9.
PMID: 26959493

Combined Neel and Brown rotational Langevin dynamics in magnetic particle imaging, sensing, and therapy.
Reeves DB, Weaver JB
Appl Phys Lett. 2015 Nov 30;107(22):223106. Epub 2015 Dec 3.
PMID: 26648595

Mixed Brownian alignment and Neel rotations in superparamagnetic iron oxide nanoparticle suspensions driven by an ac field.
Shah SA, Reeves DB, Ferguson RM, Weaver JB, Krishnan KM
Phys Rev B Condens Matter Mater Phys. 2015;92(9) pii: 094438. Epub 2015 Sep 24.
PMID: 26504371

Toward Localized <i>In Vivo</i> Biomarker Concentration Measurements.
Zhang X, Reeves D, Shi Y, Gimi B, Nemani KV, Perreard IM, Toraya-Brown S, Fiering S, Weaver JB
IEEE Trans Magn. 2015 Feb;51(2):1-4.
PMID: 26203196

Comparisons of characteristic timescales and approximate models for Brownian magnetic nanoparticle rotations.
Reeves DB, Weaver JB
J Appl Phys. 2015 Jun 21;117(23):233905. Epub 2015 Jun 19.
PMID: 26130846

Nanoparticles for cancer imaging: The good, the bad, and the promise.
Chapman S, Dobrovolskaia M, Farahani K, Goodwin A, Joshi A, Lee H, Meade T, Pomper M, Ptak K, Rao J, Singh R, Sridhar S, Stern S, Wang A, Weaver JB, Woloschak G, Yang L
Nano Today. 2013 Oct;8(5):454-460.
PMID: 25419228