Li et al., “Mechanistic Studies of a Calcium-Dependent MRI Contrast Agent” (2002) Inorg. Chem., 41, 4018-4024.* |
Duarte et al., “ Synthesis, Characterization, and Relaxivity of Two Linear Gd(DTPA)-Polymer Conjugates” (2001) Bioconjugate Chem., 12, 170-177.* |
Moats et al., “A ‘Smart’ Magnetic Resonance Imaging Agent that Reports on Specific Enzymatic Activities” (Apr., 1997) Angew. Chem. Int. Ed., 36(7), 726-728.* |
Bogdanov, A., “The Development of in vivo Imaging Systems to Study Gene Expression” (1998) Trends in Biotechnology, 16(1), 5-10.* |
Bell et al., “Assessing Gene Expression in vivo: Magnetic Resonance Imaging and Spectroscopy” (Aug., 2000) Gene Therapy, 7(15), 1259-1264.* |
Nivorozhkin et al., “Enzyme-Activated Gd3+ Magnetic Resonance Imaging Contrast Agents with a Prominent Receptor-Induced Magnetization Enhancement” (Aug., 2001) Angew. Chem. Int. Ed., 40(15), 2903-2906.* |
Stanisz et al., “Gd-DTPA Relaxivity Depends on Macromolecular Content” (2000) Magnetic Resonance Med. 44, 665-667.* |
Richard A. Gross et al., “Polymer Synthesis by In Vitro Enzyme Catalysis”, Chem. Rev., vol. 101, No. 7, pp. 2097-2124 (2001). |
Akkara et al., Biomimetic Membrane and Interface Templates for Enzyme-Based Polymerization Reactions, Biomimetics, vol. 2, No. 4, 1994, pp. 331-339. |
Louie et al., In vivo visualization of gene expression using magnetic resonance imaging, Nature Biotechnology vol. 18, Mar. 2000, pp. 321-325. |