Results 211 to 220 of about 97,528 (241)
Advanced Intelligent Systems, EarlyView.The polymerase chain reaction (PCR).Perturbation Theory and Machine Learning framework integrates perturbation theory and machine learning to classify genetic sequences, distinguishing ancient DNA from modern controls and predicting tree health from soil metagenomic data.
Jose L. Rodriguez +19 more
wiley +1 more source
Advanced Intelligent Systems, EarlyView.This study introduces a data‐driven framework that combines deep reinforcement learning with classical path planning to achieve adaptive microrobot navigation. By training a surrogate neural network to emulate microrobot dynamics, the approach improves learning efficiency, reduces training time, and enables robust real‐time obstacle avoidance in ...
Amar Salehi +3 more
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Advanced Intelligent Systems, EarlyView.This paper presents an integrated AI‐driven cardiovascular platform unifying multimodal data, predictive analytics, and real‐time monitoring. It demonstrates how artificial intelligence—from deep learning to federated learning—enables early diagnosis, precision treatment, and personalized rehabilitation across the full disease lifecycle, promoting a ...
Mowei Kong +4 more
wiley +1 more source
Semi‐autonomous Navigation of Magnetic Microcarriers for Knee Cartilage Regeneration
Advanced Intelligent Systems, EarlyView.Autonomous navigation of magnetic microcarriers in complex 3D environments is investigated through a semi‐autonomous strategy integrating magnetic actuation with monocular visual feedback. Real‐time global tracking is achieved via radio‐frequency‐based localization and depth estimation, while model‐based computation determines optimal steering forces ...
Kim Tien Nguyen +3 more
wiley +1 more source
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Basic Research in Cardiology, 2008
Molecular imaging is a rapidly growing field with the potential to revolutionize cardiovascular medicine by shifting diagnostic focus from functional abnormalities which occur late in a disease process to the biochemical events which precipitate the earliest stages of disease.
Emily A, Waters, Samuel A, Wickline
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Molecular imaging is a rapidly growing field with the potential to revolutionize cardiovascular medicine by shifting diagnostic focus from functional abnormalities which occur late in a disease process to the biochemical events which precipitate the earliest stages of disease.
Emily A, Waters, Samuel A, Wickline
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Multimodal MRI contrast agents
JBIC Journal of Biological Inorganic Chemistry, 2007The advent of powerful new imaging tools such as confocal and two-photon microscopy, MRI, PET, SPECT, and ultrasound have provided scientists and clinicians with the ability to acquire in vivo images of anatomy and physiology in whole animals and humans [1–3].
Luca, Frullano, Thomas J, Meade
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2018
Abstract Pharmacologic agents used in the context of a cardiovascular magnetic resonance imaging examination can be divided into three main groups: contrast agents, stress-testing agents (dobutamine, adenosine, regadenoson, dipyridamole), and agents used for treatment of hypersensitivity reactions.
Kim-Lien Nguyen, J Paul Finn
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Abstract Pharmacologic agents used in the context of a cardiovascular magnetic resonance imaging examination can be divided into three main groups: contrast agents, stress-testing agents (dobutamine, adenosine, regadenoson, dipyridamole), and agents used for treatment of hypersensitivity reactions.
Kim-Lien Nguyen, J Paul Finn
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Materials Science and Engineering: C, 2013
Contrast agents are divided into two categories. The first one is paramagnetic compounds, including lanthanides like gadolinium, which mainly reduce the longitudinal (T1) relaxation property and result in a brighter signal. The second class consists of super-paramagnetic magnetic nanoparticles (SPMNPs) such as iron oxides, which have a strong effect on
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Contrast agents are divided into two categories. The first one is paramagnetic compounds, including lanthanides like gadolinium, which mainly reduce the longitudinal (T1) relaxation property and result in a brighter signal. The second class consists of super-paramagnetic magnetic nanoparticles (SPMNPs) such as iron oxides, which have a strong effect on
openaire +2 more sources
Microgel-Based Thermosensitive MRI Contrast Agent
ACS Macro Letters, 2015Monitoring subtle temperature changes noninvasively remains a challenge for magnetic resonance imaging (MRI). A temperature-sensitive contrast agent based on thermosensitive microgel is proposed and synthesized using a manganese tetra(3-vinylphenyl) porphyrin core reacting with N-isopropylacrylamide (NIPAM) or N-isopropylmethacrylamide (NIPMAM ...
Xinwei, Zheng +5 more
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Dendrimer-Based Nanosized MRI Contrast Agents
Current Pharmaceutical Biotechnology, 2004Paramagnetic metals can induce T1 shortening by interaction with free water molecules. Two metal ions, Gadolinium and Manganese, are currently available for human use. Gadolinium-based MRI contrast agents (CAs) can operate using a approximately 100-fold lower concentration of Gadolinium ions in comparison to the necessary concentration of Iodine atoms ...
Hisataka, Kobayashi, Martin W, Brechbiel
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