Fig. 1 Clinical CT scans and 3D reconstructions of human hearts displaying high spatial resolution and anatomical features of cardiovascular disease . (a) Cross-sectional CT image of the heart. White…

Fig. 1 3D time-of-flight (TOF) MR cholangiogram in a rat following intravenous injection of gadolinium-functionalized perfluorooctylbromide nanoparticles (NP). (a) Baseline image showing no evidence of vasculature or common bile duct….

Fig. 1 Approaches to labeling stem cells . Panel a shows direct imaging in which an exogenous material is placed inside a cell. The cells are then purified and implanted…

Fig. 1 Extracellular vesicles can interact with neighbor cells delivering their cargo in a homotypic cell transfer (1) or in a heterotypic cell transfer (2). Vesicles may also circulate (3)…

Fig. 1 Fluorescence excitation and emission from quantum dots. (a) Energy diagrams of a bulk semiconductor and a quantum dot. (b) Fluorescence spectra measured from different types of quantum dots….

Fig. 1 Schematic of different mechanisms of ultrasound-mediated drug release, drug transport, and sonoportation from ultrasound -responsive nanoparticles As an acoustic wave travels through a medium it is attenuated through…

Fig. 1 Radioactive follow-up of nanoparticle core and shell in vivo . (a) The nanoparticles consist of 59Fe-labeled IONPs stabilized with 14C-labeled oleic acid and modified with DSPE-mPEG2000 and 111In-DMPE-DTPA…

Fig. 1 General 19F MRI cell labeling . (a) A general protocol for 19F MRI of labeled cells involves ex vivo labeling of the cells, transfer to the subject, and…

Fig. 1 Mechanism of RNA interference. Long dsRNA introduced into the cytoplasm is processed by the enzyme Dicer into 22-nt pieces with 2-nt single-stranded overhangs on the 3′ ends. The…

Radionuclide Half-life (h) Mode of decay β+ Particle energy (MeV)a,b β+-Branching ratio (%)b Major γ-photons emitted other than annihilation photons in MeV (% abundance) 18F 1.8 β+/ECD 0.633 97.0 None…