Results 1 to 10 of about 2,089,346 (276)

Contrast echocardiography with a physiological contrast agent for alcohol septal ablation [PDF]

Frontiers in Cardiovascular Medicine
PurposeMyocardial contrast echocardiography in alcohol septal ablation (ASA) is critical prior to alcohol injection into the target septal artery branch.
Erdogan Ilkay, Yasemin Saglam, Ersin Saricam, Bilge Duran Karaduman, Fehmi Kacmaz, Fehmi Kacmaz, Aysel Yakici, Cigdem Koca, Melike Polat, Zeynep Seyma Turinay, Mehmet Akif Erdol   +10 more
doaj   +2 more sources

Biocompatible Nanocomplexes for Molecular Targeted MRI Contrast Agent [PDF]

Nanoscale Research Letters, 2009
Accurate diagnosis in early stage is vital for the treatment of Hepatocellular carcinoma. The aim of this study was to investigate the potential of poly lactic acid–polyethylene glycol/gadolinium–diethylenetriamine-pentaacetic acid (PLA–
Yu Dexin, Ma Chunhong, Wang Shaojie, Lu Zaijun, Chen Zhijin, Zhang Na   +5 more
doaj   +3 more sources

Microbubble Contrast Agent Use During Invasive Coronary Microvascular Assessment [PDF]

Journal of the Society for Cardiovascular Angiography & Interventions
Background: Coronary microvascular function assessment with invasive Doppler-derived coronary flow reserve (CFR) has challenges related to Doppler signal quality, limiting clinical adoption.
Rahul Bahl, MBBS, BSc, Samay Mehta, MBChB, BSc, Henry Seligman, MBBS, PhD, Christopher A. Rajkumar, MBBS, Suraya Gafore, MBBS, BSc, Sayan Sen, MBBS, PhD, Sukhjinder S. Nijjer, MBChB, PhD, Rasha Al-Lamee, MBBS, PhD, Daniel Chamié, MD, PhD, Daniel Bandeira, MD, Xiaowei Zhou, PhD, Matthew Shun Shin, BM BCh, PhD, Meng-Xing Tang, PhD, Ricardo Petraco, MD, PhD   +13 more
doaj   +2 more sources

Harmonic chirp imaging method for ultrasound contrast agent [PDF]

, 2005
Coded excitation is currently used in medical ultrasound to increase signal-to-noise ratio (SNR) and penetration depth. We propose a chirp excitation method\ud for contrast agents using the second harmonic component of the response.
Associate Member, Ayache Bouakaz, Chien Ting Chin, Jerome M. G. Borsboom, Michel Versluis, Nico De Jong   +5 more
core   +16 more sources

Discovery of novel 2-(4-(benzyloxy)-5-(hydroxyl) phenyl) benzothiazole derivatives as multifunctional MAO-B inhibitors for the treatment of Parkinson’s disease

Journal of Enzyme Inhibition and Medicinal Chemistry, 2023
To discover novel multifunctional agents for the treatment of Parkinson’s disease, a series of 2-(4-(benzyloxy)-5-(hydroxyl) phenyl) benzothiazole derivatives was designed, synthesized and evaluated.
Zhongcheng Cao, Xingyue Wang, Tianlong Zhang, Xianwu Fu, Fan Zhang, Jiang Zhu   +5 more
doaj   +1 more source

The Use of Ultrasound Contrast in Interventional Radiology

The Arab Journal of Interventional Radiology, 2023
Ultrasound contrast agents have gained increasing popularity due to the high level of safety, real-time improved visualization, and ability to detect vascularity.
Priyan Tantrige, Khalid Ballal, Michael Kelly, Konstantinos Stefanidis, Dean Huang, Paul S. Sidhu, Gibran Timothy Yusuf   +6 more
doaj   +1 more source

Nanosized T₁ MRI Contrast Agent Based on a Polyamidoamine as Multidentate Gd Ligand

Molecules, 2021
A linear polyamidoamine (PAA) named BAC-EDDS, containing metal chelating repeat units composed of two tert-amines and four carboxylic groups, has been prepared by the aza-Michael polyaddition of ethylendiaminodisuccinic (EDDS) with 2,2-bis(acrylamido ...
Paolo Arosio, Davide Cicolari, Amedea Manfredi, Francesco Orsini, Alessandro Lascialfari, Elisabetta Ranucci, Paolo Ferruti, Daniela Maggioni   +7 more
doaj   +1 more source

Development of liposomal contrast agent with high iodine concentration and minimal effect on renal function

Biochemistry and Biophysics Reports, 2023
Purpose: The use of contrast media is essential to achieve high accuracy in diagnostic imaging. Iodine contrast media, one of these contrast media, has nephrotoxicity as a side effect.
Tomoko Ochi, Hideyuki Nishiofuku, Tomoko Kure, Natsuhiko Saito, Ryosuke Taiji, Nagaaki Marugami, Toshihiro Tanaka, Hiromi Sakai   +7 more
doaj   +1 more source

Agent-Based Image Contrast Enhancement Algorithm

IEEE Access, 2023
One crucial step in several image processing and computer vision applications is Image Contrast Enhancement (ICE), whose main objective is to improve the quality of the information contained in the processed images.
Alberto Luque-Chang, Erik Cuevas, Angel Chavarin, Marco Perez   +3 more
doaj   +1 more source

Pyclen-based Gd complex with ionisable side-chain as a contrastophore for the design of hypersensitive MRI nanoprobes: Synthesis and relaxation studies

Results in Chemistry, 2021
A straightforward method for synthesizing at the multigram scale a low molecular weight PCTA-based gadolinium complex bearing an ionizable oxyacetic chain on the pyridine unit was described, together with its encapsulation within a nanohydrogel matrix ...
Fabienne Dioury, Maité Callewaert, Cyril Cadiou, Céline Henoumont, Michael Molinari, Sophie Laurent, Christophe Portefaix, Marc Port, Francoise Chuburu   +8 more
doaj   +1 more source