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 Concept Videos

Variance01:15

Variance

12.4K
The deviations show how spread out the data are about the mean. A positive deviation occurs when the data value exceeds the mean, whereas a negative deviation occurs when the data value is less than the mean. If the deviations are added, the sum is always zero. So one cannot simply add the deviations to get the data spread. By squaring the deviations, the numbers are made positive; thus, their sum will also be positive.
The standard deviation measures the spread in the same units as the data....
12.4K
Friedman Two-way Analysis of Variance by Ranks01:21

Friedman Two-way Analysis of Variance by Ranks

510
Friedman's Two-Way Analysis of Variance by Ranks is a nonparametric test designed to identify differences across multiple test attempts when traditional assumptions of normality and equal variances do not apply. Unlike conventional ANOVA, which requires normally distributed data with equal variances, Friedman's test is ideal for ordinal or non-normally distributed data, making it particularly useful for analyzing dependent samples, such as matched subjects over time or repeated measures...
510
Phase Contrast and Differential Interference Contrast Microscopy01:26

Phase Contrast and Differential Interference Contrast Microscopy

13.7K
Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
13.7K
Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

Ultrasound II: Endoscopic Ultrasound and FibroScan

706
Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
706
Determination of Multiple Dosing Parameters: Steady-State, Minimum and Maximum Concentrations01:15

Determination of Multiple Dosing Parameters: Steady-State, Minimum and Maximum Concentrations

258
Gentamicin, an aminoglycoside antibiotic, is commonly administered via intermittent intravenous infusion to treat severe infections. An intermittent one-hour infusion of gentamicin, administered at eight-hour intervals, allows for precise control of plasma drug concentrations, minimizing toxicity while ensuring therapeutic efficacy. Pharmacokinetic principles govern the dynamics of plasma concentrations and can be mathematically described using specific equations.The plasma drug concentration...
258
Ultrasound I: Abdominal Ultrasonography01:20

Ultrasound I: Abdominal Ultrasonography

1.7K
Introduction:
Abdominal ultrasonography, commonly known as abdominal ultrasound, is a vital, non-invasive medical imaging technique widely used in healthcare.
Procedure:
This diagnostic tool allows the clinician to visually inspect internal structures within the abdomen, including vital organs such as the liver, gallbladder, pancreas, kidneys, and spleen.
The abdominal ultrasound process begins with applying a special gel to the patient's skin over the abdomen. This gel enhances the...
1.7K

You might also read

Related Articles

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

Sort by
Same author

Ultrasound-Based Techniques for Visualization of Dermal Microvasculature: A Scoping Review.

Diagnostics (Basel, Switzerland)·2026
Same author

A Multicenter Retrospective Review of Laterally Plated Partial Tarsal Arthrodesis in Dogs and Cats.

Veterinary and comparative orthopaedics and traumatology : V.C.O.T·2025
Same author

Human lymph node microvascular imaging using a fast contrast-free super-resolution ultrasound technique.

Scientific reports·2025
Same author

Analysing the Renal Vasculature Using Super-Resolution Ultrasound Imaging: Considerations for Clinical and Research Applications.

Diagnostics (Basel, Switzerland)·2025
Same author

The Zucker Diabetic Fatty Rat as a Model for Vascular Changes in Diabetic Kidney Disease: Characterising Hydronephrosis.

Diagnostics (Basel, Switzerland)·2025
Same author

Real-Time Full-Volume Row-Column Imaging.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control·2025
Same journal

PIPA: Prior-Driven Prompting with Diagnosis-Oriented Retrieval-Augmentation for 3D Radiology Report Generation.

IEEE transactions on medical imaging·2026
Same journal

DiffGeo-AOR: Diffusion-Optimized Medical Grading via Geometric Priors enhanced Autoregressive Ordinal Regression.

IEEE transactions on medical imaging·2026
Same journal

UniOCTSeg++: Refined Hierarchical Prompt Strategy and Bi-directional Progressive Consistency Learning for Universal Retinal Layer Segmentation in OCT.

IEEE transactions on medical imaging·2026
Same journal

Volumetric Functional Ultrasound Imaging in Macaques.

IEEE transactions on medical imaging·2026
Same journal

MUST: Multi-style virtual staining with incomplete pairs.

IEEE transactions on medical imaging·2026
Same journal

BrainCL: Transformer-Based Brain Network Contrastive Learning with Multi-Order Topology and Salience Masking.

IEEE transactions on medical imaging·2026
See all related articles

Related Experiment Video

Updated: Feb 7, 2026

Contrast Imaging in Mouse Embryos Using High-frequency Ultrasound
10:39

Contrast Imaging in Mouse Embryos Using High-frequency Ultrasound

Published on: March 4, 2015

15.9K

Resolving Ultrasound Contrast Microbubbles Using Minimum Variance Beamforming.

Konstantinos Diamantis, Tom Anderson, Mairead B Butler

    IEEE Transactions on Medical Imaging
    |July 31, 2018
    PubMed
    Summary
    This summary is machine-generated.

    Minimum Variance (MV) beamforming significantly enhances ultrasound super-resolution imaging by improving microbubble separation and localization. This adaptive method offers superior lateral resolution compared to standard Delay-And-Sum (DAS) beamformers.

    More Related Videos

    Introduction to the Ultrasound Targeted Microbubble Destruction Technique
    08:24

    Introduction to the Ultrasound Targeted Microbubble Destruction Technique

    Published on: June 12, 2011

    16.1K
    The Preparation of Chicken Ex Ovo Embryos and Chorioallantoic Membrane Vessels as In Vivo Model for Contrast-Enhanced Ultrasound Imaging and Microbubble-Mediated Drug Delivery Studies
    09:53

    The Preparation of Chicken Ex Ovo Embryos and Chorioallantoic Membrane Vessels as In Vivo Model for Contrast-Enhanced Ultrasound Imaging and Microbubble-Mediated Drug Delivery Studies

    Published on: February 9, 2021

    5.4K

    Related Experiment Videos

    Last Updated: Feb 7, 2026

    Contrast Imaging in Mouse Embryos Using High-frequency Ultrasound
    10:39

    Contrast Imaging in Mouse Embryos Using High-frequency Ultrasound

    Published on: March 4, 2015

    15.9K
    Introduction to the Ultrasound Targeted Microbubble Destruction Technique
    08:24

    Introduction to the Ultrasound Targeted Microbubble Destruction Technique

    Published on: June 12, 2011

    16.1K
    The Preparation of Chicken Ex Ovo Embryos and Chorioallantoic Membrane Vessels as In Vivo Model for Contrast-Enhanced Ultrasound Imaging and Microbubble-Mediated Drug Delivery Studies
    09:53

    The Preparation of Chicken Ex Ovo Embryos and Chorioallantoic Membrane Vessels as In Vivo Model for Contrast-Enhanced Ultrasound Imaging and Microbubble-Mediated Drug Delivery Studies

    Published on: February 9, 2021

    5.4K

    Area of Science:

    • Medical Imaging
    • Ultrasound Technology
    • Acoustic Engineering

    Background:

    • Minimum Variance (MV) beamforming is recognized for enhancing lateral resolution and scatterer separation in ultrasound imaging.
    • Super-resolution ultrasound imaging relies on accurately visualizing microbubbles (MBs).

    Purpose of the Study:

    • To evaluate the performance of adaptive Minimum Variance (MV) beamforming for flowing microbubbles (MBs) in super-resolution ultrasound.
    • To compare MV beamforming with standard Delay-And-Sum (DAS) beamforming for MB imaging.

    Main Methods:

    • Simulations using point scatterer data from single emissions.
    • Experimental investigation using a capillary tube phantom and the Synthetic Aperture Real-time Ultrasound System (SARUS).
    • Assessment of MV performance using metrics like minimum resolvable scatterer distance, lateral Full-Width-at-Half-Maximum (FWHM), and Peak-Sidelobe-Level (PSL).

    Main Results:

    • MV beamforming distinguished scatterer responses separated by 1.05λ, surpassing DAS capabilities.
    • A ninefold decrease in FWHM was observed with MV beamforming for individual MB echoes.
    • Simulation and experimental results showed agreement in lateral resolution improvements.
    • MV imaging demonstrated clear resolution benefits over DAS for point scatterer studies.

    Conclusions:

    • The MV method offers significant lateral resolution improvements for microbubble imaging compared to DAS.
    • MV beamforming may enable the detection and better localization of a larger number of microbubble scatterers.
    • This adaptive approach holds potential for advancing super-resolution ultrasound imaging techniques.