Results 61 to 70 of about 7,096,928 (249)

Feasibility of Macrophage Plaque Imaging Using Novel Ultrasmall Superparamagnetic Iron Oxide in Dual Energy CT

European Journal of Radiology Open, 2018
Purpose: While ultrasmall superparamagnetic iron oxide (USPIO) is useful for identifying atherosclerotic lesions as an MRI contrast medium, there are limitations in its power to quantitatively evaluate and resolve USPIO in atherosclerotic lesions of the ...
Hideyuki Sato, Shinichiro Fujimoto, Yosuke Kogure, Hiroyuki Daida   +3 more
doaj   +1 more source

Dual- and multi-energy CT: approach to functional imaging [PDF]

, 2011
The energy spectrum of X-ray photons after passage through an absorber contains information about its elemental composition. Thus, tissue characterisation becomes feasible provided that absorption characteristics can be measured or differentiated.
Anderson, Nigel, Butler, A, Simon Wildermuth, Nigel Anderson, Juergen Fornaro, Leschka, S, Stolzmann, Paul, Pache, Gregor, Scheffel, Hans, Hibbeln, Dennis, Butler, Anthony, Wildermuth, S, Alkadhi, H, Stolzmann, P, Alkadhi, Hatem, Leschka, Sebastian, Wildermuth, Simon, Hibbeln, D, Anderson, N, Gregor Pache, Paul Stolzmann, Fornaro, J, Dennis Hibbeln, Hans Scheffel, Pache, G, Hatem Alkadhi, Scheffel, H, Fornaro, Juergen, Sebastian Leschka, Anthony Butler   +29 more
core   +2 more sources

Biodegradable and Biocompatible Functional Polymers for Biomedical Applications

Advanced Functional Materials, EarlyView.
Biodegradable and biocompatible functional polymers integrate electrical, mechanical, and stimuli‐responsive functionalities while enabling programmed degradation under physiological conditions. This review introduces recent advances in conductive, shape‐memory, self‐healing, photocurable, and adhesive polymer systems, emphasizing material design ...
Won Bae Han, Shuvra Mondal, Sungkeun Han, Chan‐Hwi Eom, Venkata Ramesh Naganaboina, Suk‐Won Hwang   +5 more
wiley   +1 more source

Dual-energy CT: Clinical applications in various pulmonary diseases

, 2010
The dual-energy computed tomographic (CT) technique allows the differentiation of materials with large atomic numbers such as iodine and xenon. The basic principle of dual-energy CT is material decomposition based on attenuation differences at different ...
Goo, Jin Mo, Kang, Mi-Jin, Park, Chang Min, Lee, Hyun Ju, Lee, Chang-Hyun   +4 more
core   +1 more source

Semiconducting Polymers Post‐Functionalized With Ureido‐Pyrimidinone for Robust Stretchable Transistors

Advanced Functional Materials, EarlyView.
The design of intrinsically robust stretchable semiconducting polymers was achieved through OTBS‐mediated post‐functionalization of PDPP2T side chains with UPy units, generating dual hydrogen‐bonding motifs comprising weaker urethane linkages and strong quadruple UPy interactions along the long alkyl side chain, which is crucial for achieving desirable
Dinda Bazliah, Livy Laysandra, Kosuke Terayama, Xingyu Yang, Atsushi Isobe, Tai‐Chin Chiang, Tsuyoshi Michinobu, Yu‐Cheng Chiu   +7 more
wiley   +1 more source

Tuning the Optoelectronic Properties of Wide Bandgap Perovskites: Data‐Driven Insights from Combinatorial Synthesis and High‐Throughput Experimentation

Advanced Functional Materials, EarlyView.
Combinatorial vapor deposition enables independent tuning of Cs/Pb and Br/Cl in wide‐bandgap perovskites. Automated multimodal mapping of 500+ compositions reveals a high‐energy optical transition that correlates with enhanced photoluminescence, defining a practical Cs/Pb window.
Alexander Wieczorek, Sergey Tsarev, Nathan Rodkey, Oleksandr Pshyk, Stefanie Frick, Maksym V. Kovalenko, Sebastian Siol   +6 more
wiley   +1 more source

Structural Power Composites Based on High Mass Loading Zn‐Ion Hybrid Supercapacitors with Metal Mesh Current Collectors and Aramid Nanofiber/Glass Fiber Composite Electrolytes

Advanced Functional Materials, EarlyView.
A multifunctional structural power composite is developed by integrating high‐mass‐loading Zn‐ion hybrid supercapacitors with metal mesh current collectors and aramid nanofiber‐based composite electrolytes, enabling simultaneous load‐bearing capability and enhanced areal energy storage.
Yuseung Choi, Gilyong Shin, Hoyeon Lee, Eun Jae Nam, Byeong Jun So, Sungryul Yun, Fu‐Kuo Chang, Jei Gyeong Jeon, Tae June Kang   +8 more
wiley   +1 more source

The Influence of Effective Energy on Computed Tomography Number Depends on Tissue Characteristics in Monoenergetic Cardiac Imaging

Radiology Research and Practice, 2012
Purpose. To evaluate the influence of effective energy on computed tomography (CT) number in monoenergetic images (MEIs). Methods. Three bottle phantoms filled with water, oil, and a contrast agent were scanned at 100 and 140 kVp tube energy with a dual ...
Satoshi Okayama, Tsunenari Soeda, Yasuhiro Takami, Rika Kawakami, Satoshi Somekawa, Shiro Uemura, Yoshihiko Saito   +6 more
doaj   +1 more source

Utility of virtual monoenergetic images from spectral detector computed tomography in improving image segmentation for purposes of 3D printing and modeling

3D Printing in Medicine, 2019
Background One of the key steps in generating three-dimensional (3D) printed models in medicine is segmentation of radiologic imaging. The software tools used for segmentation may be automated, semi-automated, or manual which rely on differences in ...
Elias Kikano, Nils Grosse Hokamp, Leslie Ciancibello, Nikhil Ramaiya, Christos Kosmas, Amit Gupta   +5 more
doaj   +1 more source

Iterative Reconstruction for Quantitative Material Decomposition in Dual-Energy CT

, 2010
It is of clinical interest to decompose a three material mixture into its constituted substances using dual-energy CT. In radiation therapy, for example material decomposition can be used to determine tissue properties for the calculation of dose in ...
Muhammad, Arif
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