Results 111 to 120 of about 497,841 (322)

Materials Advances in Devices for Heart Disease Interventions

Advanced Materials, EarlyView.
This review examines the crucial role of materials in heart disease interventions, focusing on strategies for monitoring, managing, and repairing heart conditions. It discusses the material requirements for medical devices, highlighting recent innovations and their impact on cardiovascular health.
Gagan K. Jalandhra, Lauryn Srethbhakdi, James Davies, Chi Cong Nguyen, Phuoc Thien Phan, Zachary Och, Aditya Ashok, Khoon S. Lim, Hoang‐Phuong Phan, Thanh Nho Do, Nigel H. Lovell, Jelena Rnjak‐Kovacina   +11 more
wiley   +1 more source

CUSUM Filter for Brain Segmentation on DSC Perfusion MR Head Scans with Abnormal Brain Anatomy [PDF]

Proceedings of the 2019 3rd International Conference on Frontiers of Image Processing (ICFIP 2019). - Florence, Italy, March 16-18, 2019. - P008, 2019
This paper presents a new approach for relatively accurate brain region of interest (ROI) detection from dynamic susceptibility contrast (DSC) perfusion magnetic resonance (MR) images of a human head with abnormal brain anatomy. Such images produce problems for automatic brain segmentation algorithms, and as a result, poor perfusion ROI detection ...
arxiv  

Manipulating the Assembly and Architecture of Fibrillar Silk

Advanced Materials, EarlyView.
In this study, advanced in situ AFM, PiFM, and Cryo‐EM are leveraged to realize in situ observations of nucleation, growth, and degradation of silk nanofibrils. A clear picture of the assembly and structural evolution of regenerated silk nanofibrils is defined and demonstrates a novel strategy for manipulating their structure and properties, which ...
Chenyang Shi, Yuna Bae, Mingyi Zhang, James J. De Yoreo   +3 more
wiley   +1 more source

Model-Based Perfusion Reconstruction with Time Separation Technique in Cone-Beam CT Dynamic Liver Perfusion Imaging [PDF]

The success of embolisation, a minimally invasive treatment of liver cancer, could be evaluated in the operational room with cone-beam CT by acquiring a dynamic perfusion scan. The reconstruction algorithm must address the issues of low temporal sampling and higher noise levels inherent in cone-beam CT systems, compared to conventional CT. Therefore, a
arxiv   +1 more source

The perfusion of the adrenal gland with reference to the mechanism of adrenaline stabilisation [PDF]

, 1935
R. D. H. Heard, Arnold D. Welch
openalex   +1 more source

Intravasation‐On‐µDevice (INVADE): Engineering Dynamic Vascular Interfaces to Study Cancer Cell Intravasation

Advanced Materials, EarlyView.
Cancer metastasis begins with intravasation, a complex process involving cancer‐endothelial interactions. INVADE (Intravasation‐on‐µDevice), a biomimetic microfluidic platform enables high‐throughput analysis of intravasation under controlled conditions.
Fengtao Jiang, Yingqi Zhang, Guocheng Fang, Yao Wang, Alexander Dupuy, Jasmine Jin, Yi Shen, Khoon S Lim, Yinyan Wang, Yu Shrike Zhang, Ann‐Na Cho, Hongxu Lu, Lining Arnold Ju   +12 more
wiley   +1 more source

Transparent Temperature Sensors for Photothermal Neuromodulation: Advances, Challenges, and Future Directions

Advanced Materials Interfaces, EarlyView.
Photothermal neuromodulation is a promising technique for versatile neural signal study and treatment development. To further develop these technologies and optimize their effectiveness, transparent electrical temperature sensors with high thermal sensitivity and resolution are essential for accurately monitoring temperature changes during ...
Jee Woong Lee, Junhee Lee, Jungha Lee, Duhee Kim, Woongki Hong, Junghyup Lee, Minyoung Song, Hongki Kang   +7 more
wiley   +1 more source

Aqueous Synthesis of Poly(ethylene glycol)‐Amide‐Norbornene‐Carboxylate for Modular Hydrogel Crosslinking

Advanced Materials Interfaces, EarlyView.
An all aqueous synthesis of poly(ethylene glycol)‐amide‐norbornene‐carboxylate (PEGaNBCA) is developed via reacting carbic anhydride with amino‐terminated PEG. PEGaNBCA is readily crosslinked into hydrogels by click chemistries. PEGaNBCA crosslinked thiol‐norbornene hydrogels are hydrolytically stable but can be rendered hydrolytically labile through ...
Nathan H. Dimmitt, Chien‐Chi Lin
wiley   +1 more source

A Flexible‐Substrate 5‐µm‐Diameter Needle Electrode: Minimizing Neuronal Death and Enabling Year‐Long Neural Recording

Advanced Materials Interfaces, EarlyView.
An electrophysiological recording technology that uses a 5‐µm‐diameter microneedle electrode device is presented. Due to the remarkable small dimension of the microneedle, the electrode provides minimal invasive neural recording in a mouse brain and enables long‐term recording exceeding the year‐long duration.
Hinata Sasaki, Koji Yamashita, Sayaki Shimizu, Kensei Sakamoto, Rika Numano, Kowa Koida, Takeshi Kawano   +6 more
wiley   +1 more source

Reconstructing Quantitative Cerebral Perfusion Images Directly From Measured Sinogram Data Acquired Using C-arm Cone-Beam CT [PDF]

arXiv
To shorten the door-to-puncture time for better treating patients with acute ischemic stroke, it is highly desired to obtain quantitative cerebral perfusion images using C-arm cone-beam computed tomography (CBCT) equipped in the interventional suite.
arxiv