Results 241 to 250 of about 6,917,354 (302)

Intracrystalline Void‐Mediated Toughening of Brittle Crystals in Quail Eggshells

Advanced Functional Materials, EarlyView.
In quail eggshells, the high density and disordered arrangement of intracrystalline voids inhibit lattice cleavage, suppress long‐range crack propagation, and promote deformation twinning and quasi‐plasticity, serving as an essential toughening motif. We show that these voids remain within a narrow subcritical size range and therefore predominantly do ...
Jingxiao Zhong, Qihang Wang, Andre E. Vellwock, Sinuhe Perea Puente, Tingting Zhu, Jia Hui Lim, Kadda Medjoubi, Sebastian Hoerl, Erika Griesshaber, Wolfgang W. Schmahl, Yannicke Dauphin, Emeline Raguin, Peter Werner, Francesco Stellacci, Michael V. Swain, Peter Fratzl, Shahrouz Amini   +16 more
wiley   +1 more source

Dynamic Observation of Lacy Pattern Formation in a Bone Tissue Model Using Liquid Phase Scanning Transmission Electron Microscopy

Advanced Functional Materials, EarlyView.
Here, we establish a low‐dose liquid‐phase electron microscopy workflow for real‐time observation of biological processes in hydrated conditions. Beam damage is reduced by imaging only 20% of the pixels and reconstructing the complete image using an inpainting algorithm.
Luco Rutten, Avital Wagner, Rona Roverts, Luco Buise, Ben Joosten, Anat Akiva, Elena Macías‐Sánchez, Nico Sommerdijk   +7 more
wiley   +1 more source

Remote Activation of Wnt Signaling and Cell Proliferation by E‐Cadherin Magnetomechanical Stimulation

Advanced Functional Materials, EarlyView.
A pioneering magnetogenetic toolkit enables non‐invasive, precise spatiotemporal modulation of intracellular Wnt/β‐catenin signaling. Functionalized magnetic nanoparticles (MNPs@E/EC15) target cellular E‐cadherins to generate localized magnetomechanical forces under low‐intensity magnetic fields.
Christian Castro‐Hinojosa, Pablo Martínez‐Vicente, Lucía G. Recaredo, Susel Del Sol‐Fernández, Pilar Gomollón‐Zueco, Yilian Fernández‐Afonso, Raluca M. Fratila, María Moros   +7 more
wiley   +1 more source

Application of Artificial Intelligence in Nuclear Medicine and Molecular Imaging: A Review of Current Status and Future Perspectives for Clinical Translation

European Journal of Nuclear Medicine and Molecular Imaging, 2022
Artificial intelligence (AI) will change the face of nuclear medicine and molecular imaging as it will in everyday life. In this review, we focus on the potential applications of AI in the field, both from a physical (radiomics, underlying statistics ...
Philippe Lambin, Christoph Rischpler, Jan Pruim   +2 more
exaly   +2 more sources

Guidelines on Nuclear Medicine Imaging in Neuroblastoma

European Journal of Nuclear Medicine and Molecular Imaging, 2018
Nuclear medicine has a central role in the diagnosis, staging, response assessment and long-term follow-up of neuroblastoma, the most common solid extracranial tumour in children.
Michael S Hofman, Egesta Lopci, Francesco Giammarile   +2 more
exaly   +2 more sources

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Role of Nuclear Medicine in Imaging

Seminars in Ultrasound, CT and MRI, 2020
Nuclear medicine (NM) plays a unique role in the detection of infection and inflammation. This review looks at different methods that are used for detection of infections and explains how they differ from cross-sectional imaging such as computed tomography and magnetic resonance imaging. Images are provided to aid understanding and interpretation of NM
Sureshkumar, Anish, DO, Hansen, Blake, MD, Ersahin, Devrim, MD   +2 more
openaire   +2 more sources

Parametric imaging in nuclear medicine

Annals of Nuclear Medicine, 1995
EMISSION TOMOGRAPHY by PET or SPECT allows after certain corrections, to calculate the isotope concentration in the tissue. However, if one wants to image the underlying physiological parameter that the tracer is designed to trace, then these concentration images must be transformed pixel-by-pixel, using appropriate tracer kinetic models.
N A, Lassen, H, Iida, I, Kanno
openaire   +2 more sources

Nuclear Medicine Imaging

2001
Until the last decade the role of nuclear medicine procedures in the work up of soft tissue tumors had been quite modest, for various reasons. Firstly, soft tissue tumors are not a common type of tumor: they only account for about 1 % of all malignancies [86].
Blockx, P., Carp, L.
openaire   +3 more sources

The development of nuclear medicine imaging

Scandinavian Journal of Clinical and Laboratory Investigation, 1990
Great progress has been made in nuclear medicine imaging during the forty years this imaging modality has existed. Advances have been made both in the area of instrumentation and radiopharmaceuticals. The development started with a single detector system but now imaging devices can produce tomograms displayed three-dimensionally on graphic monitors ...
A L, Brownell, P, Nikkinen, K, Liewendahl   +2 more
openaire   +2 more sources

Lymphoma Imaging: Nuclear Medicine

2008
Careful staging and treatment planning using a multidisciplinary approach is required to determine optimal treatment of patients with Hodgkin’s disease (HD) and aggressive subtypes of non-Hodgkin’s lymphoma (NHL). The advent of more sensitive imaging modalities have increased staging and restaging accuracy and provided more effective means to evaluate ...
Lale, Kostakoglu, Stanley J, Goldsmith
openaire   +2 more sources