Related by context. Frequent words. (Click for all words.) 57 near infrared NIR 56 fluorescence imaging 56 near infrared spectroscopy 56 immunohistochemical 56 spectral imaging 56 thermal ablation 55 Fluorescence 55 photoluminescence 55 Virtual colonoscopy 55 immunofluorescence 55 noninvasive imaging 55 optical coherence tomography OCT 55 microscopy techniques 54 optical coherence tomography 54 scanning electron microscopy 53 plasmon 53 MR spectroscopy 53 Computed tomography 53 fluorescent probes 53 radiotracer 53 metabolomic 52 magnetic particle 52 laser ablation 52 Doppler ultrasound 52 molecular biomarkers 51 magnetic resonance MR 51 dispersive 51 fine needle aspiration 51 confocal microscopy 51 PET positron emission tomography 51 optical microscopy 51 nanosensor 51 Ablation 51 photosensitizer 51 x ray diffraction 51 chemotaxis 50 gold nanorods 50 fluorescence microscopy 50 single photon emission 50 fluorescent molecules 50 fluorophores 50 diffractive 50 transmission electron microscopy 50 ultrasonics 50 interferometry 50 diffusion weighted 50 porphyrins 50 intravascular 50 magnetic nanoparticles 50 fluorescence 50 photochemistry 49 spectrometry 49 superlens 49 biosensing 49 minimally invasive technique 49 tomosynthesis 49 interferometric 49 spectroscopy 49 Raman spectroscopy 49 scintigraphy 49 Intraoperative 49 retinal pigment epithelium 49 positron emission tomography PET 49 X ray beam 49 nanoshells 49 semiconductor nanocrystals 49 Endoscopic 49 fluorescent dye 49 noninvasive 49 photodynamic therapy PDT 49 Tomography 49 Spectrometers 49 Terahertz 48 fractional laser 48 mesenchymal cells 48 fluorescent proteins 48 colorimetric 48 electrophoretic 48 PET imaging 48 photocatalyst 48 non invasive 48 NMR spectroscopy 48 SPECT imaging 48 capillary electrophoresis 48 coronary stenting 48 infrared spectroscopy 48 titania 48 dye molecules 48 ultrasonic waves 48 x ray imaging 48 microbubbles 48 nano particle 48 photodynamic 48 nanoporous 48 confocal 48 fluorescent markers 48 femtosecond 48 Diffuse 47 PROSTASCINT 47 absorbance 47 tomography