نتایج جستجو برای: hybrid imaging
تعداد نتایج: 643179 فیلتر نتایج به سال:
A real-time photoacoustic imaging system is designed and built. This system is based on a commercially available ultrasound imaging system. It can achieve a frame rate of 8 frames/sec. Vasculature in the hand of a human volunteer is imaged, and the resulting photoacoustic image is combined with the ultrasound image. The real-time photo acoustic imaging system with a hybrid ultrasound probe is d...
What is a hybrid operating system? The word “hybrid” originally referred to the result of interbreeding between two animals or plants of different species, but it has more recently been used to mean the combination of two different methods to achieve higher performance, as represented by hybrid cars. The hybrid operating room discussed in this paper can be described simply as the combination of...
Along with the recent development of intraluminal interventional techniques and correlated imaging methods, one-stop hybrid operation has become a new focus in clinical settings. The aim of this study is to discuss the clinical significance of the one-stop hybrid endarterectomy surgery in the treatment of complex ischemic cerebrovascular diseases. In this study, clinical data from 10 patients w...
Polymer-shelled magnetic microbubbles have great potential as hybrid contrast agents for ultrasound and magnetic resonance imaging. In this work, we studied US/MRI contrast agents based on air-filled poly(vinyl alcohol)-shelled microbubbles combined with superparamagnetic iron oxide nanoparticles (SPIONs). The SPIONs are integrated either physically or chemically into the polymeric shell of the...
Hybrid approach becomes a promising conception of an alternative treatment for muscular ventricular septal defects (VSD) closure in infants. In this paper we report epicardial echocardiography imaging that enabled successful hybrid procedure performed in premature infant referred for surgical correction of a large perimembraneous VSD with simultaneous perventricular approach for concomitant mus...
Nuclear medicine imaging methods that use radionuclides, such as positron emission tomography (PET) and single-photon emission computed tomography (SPECT), offer highly sensitive and quantitative tools for the detection and localization of the biochemical and functional abnormalities associated with various diseases. The introduction of dual-modality PET/CT and SPECT/CT systems to the clinical ...
Fusion of different imaging modalities has gained increasing popularity over the last decade. However, most fusions are done between static rather than dynamic images. In order to adequately visualize the complex three-dimensional structures of the beating heart, high-temporal and spatial image resolutions are mandatory. Currently, only the combination of transesophageal echocardiography with f...
Hybrid micro-/nanogels are playing an increasing important part in a diverse range of applications, due to their tunable dimensions, large surface area, stable interior network structure, and a very short response time. We review recent advances and challenges in the developments of hybrid micro-/nanogels toward applications for optical sensing of pH, temperature, glucose, ions, and other speci...
Poly(lactic-co-glycolic acid) (PLGA) nanoparticles (NPs) incorporating quantum dots (QDs), superparamagnetic iron oxide nanoparticles (SPIONs) and gold (Au) NPs for neutrophil labeling were fabricated via the w/o/w double emulsion method. QDs and SPIONs were entrapped in the PLGA core during emulsification while Au NPs were assembled on top of the PLGA NPs via electrostatic interactions. Transm...
Fluorescence-mediated tomography (FMT) enables longitudinal and quantitative determination of the fluorescence distribution in vivo and can be used to assess the biodistribution of novel probes and to assess disease progression using established molecular probes or reporter genes. The combination with an anatomical modality, e.g., micro computed tomography (µCT), is beneficial for image analysi...
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