Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Capacitively decoupled tunable loop microstrip (TLM) array at 7 T.

Bing Wu1, Xiaoliang Zhang, Peng Qu

  • 1MRI Lab, Department of Electrical and Electronic Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong, China.

Magnetic Resonance Imaging
|March 21, 2007
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Transformation of dissolved organic matter during full-scale treatment of integrated chemical wastewater: Molecular composition correlated with spectral indexes and acute toxicity.

Water research·2019
Same author

Epicardial ganglionated plexi ablation increases the inducibility of ventricular tachyarrhythmias in a canine postmyocardial infarction model.

Journal of cardiovascular electrophysiology·2019
Same author

Value of <sup>18</sup>F-FDG PET/CT in the diagnosis of portal vein tumor thrombus in patients with hepatocellular carcinoma.

Abdominal radiology (New York)·2019
Same author

Accurate Determination of Trace Molybdenum in Drinking Water by Isotope Dilution Inductively Coupled Plasma Mass Spectrometry.

Analytical sciences : the international journal of the Japan Society for Analytical Chemistry·2019
Same author

Using clinical genomic sequencing to guide personalized cancer therapy in China.

Personalized medicine·2019
Same author

Value of High-Resolution DWI in Combination With Texture Analysis for the Evaluation of Tumor Response After Preoperative Chemoradiotherapy for Locally Advanced Rectal Cancer.

AJR. American journal of roentgenology·2019
Same journal

Reconstruction of MRI from undersampled k-spaces of double-contrast volume acquisitions using deep neural networks.

Magnetic resonance imaging·2026
Same journal

Radiofrequency-induced heating safety of brain MRI scans at 7 T in the presence of a shoulder implant.

Magnetic resonance imaging·2026
Same journal

Incremental diagnostic value of microstructural time-dependent diffusion MRI in differentiating PCNSL from glioblastoma over conventional MRI.

Magnetic resonance imaging·2026
Same journal

Enhanced motion compensation for free-breathing dynamic contrast-enhanced MRI with GROG-facilitated bunch phase encoding and Golden angle radial sampling.

Magnetic resonance imaging·2026
Same journal

The allegory of the cave: 10 years of AI shadows in radiology.

Magnetic resonance imaging·2026
Same journal

Conversion of 3 T liver, spleen, pancreas, and kidney R2* measurements to 1.5 T R2* equivalents: Validation of a theoretical framework.

Magnetic resonance imaging·2026
See all related articles

A new tunable loop microstrip (TLM) array improves parallel imaging at ultrahigh fields. This design enhances element decoupling and coil quality factor, overcoming limitations of previous microstrip loop arrays.

Area of Science:

  • Magnetic Resonance Imaging (MRI)
  • Radiofrequency (RF) Engineering

Background:

  • Microstrip transmission-line loop arrays offer advantages for parallel imaging at ultrahigh fields, including improved element decoupling and higher coil quality factor.
  • Conventional designs require interconnecting capacitors for dense, non-overlapped loops, but ultrahigh fields necessitate very small capacitances, leading to suboptimal isolation and load sensitivity.

Purpose of the Study:

  • To develop a theoretical model for analyzing capacitive decoupling circuits in microstrip loop arrays.
  • To propose and evaluate a novel tunable loop microstrip (TLM) array design that facilitates capacitive decoupling at ultrahigh fields.

Main Methods:

  • Development of a theoretical model to analyze capacitive decoupling circuits.
  • Design and construction of a four-element TLM array for 7 Tesla (T) MRI.

Related Experiment Videos

  • Experimental validation of the TLM array's performance using MRI.

    • Main Results:

    • The proposed TLM array allows for a more practical decoupling capacitance value at ultrahigh fields.
    • Achieved isolation between adjacent elements exceeding -37 dB under loaded conditions.
    • Demonstrated effective performance through MRI experiments.

    Conclusions:

    • The tunable loop microstrip (TLM) array design effectively addresses the challenges of capacitive decoupling at ultrahigh fields.
    • This novel array architecture enhances element isolation and overall performance for parallel imaging applications.
    • The TLM array represents a significant advancement for ultrahigh field MRI coil design.