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

Shunt Admittances01:26

Shunt Admittances

493
Shunt admittances play a crucial role in the analysis of transmission lines, particularly for three-phase systems with neutral conductors. When a uniformly charged conductor is positioned above the Earth, it induces an equal but opposite charge on its surface. This interaction creates electric field lines between the conductor and the Earth.
To model this effect, the method of images is employed. This method involves replacing the Earth with an image conductor that mirrors the original...
493
Experimental Determination of Chemical Formula02:37

Experimental Determination of Chemical Formula

46.6K
The elemental makeup of a compound defines its chemical identity, and chemical formulas are the most concise way of representing this elemental makeup. When a compound’s formula is unknown, measuring the mass of its constituent elements is often the first step in determining the formula experimentally.
46.6K
Experimental Designs01:16

Experimental Designs

16.8K
An experimental design is a systematic process that allows researchers to evaluate the relationship between dependent and independent variables. There are three widely used types of experimental design - pre-experimental design, true experimental design, and quasi-experimental design. In pre-experimental design, the researcher compares the data before and after some interventions or treatments. The true-experimental design has more than one purposefully created group, a commonly measured...
16.8K
Experimental RNAi02:15

Experimental RNAi

7.4K
RNA interference (RNAi) is a cellular mechanism that inhibits gene expression by suppressing its transcription or activating the RNA degradation process. The mechanism was discovered by Andrew Fire and Craig Mello in 1998 in plants. Today, it is observed in almost all eukaryotes, including protozoa, flies, nematodes, insects, parasites, and mammals. This precise cellular mechanism of gene silencing has been developed into a technique that provides an efficient way to identify and determine the...
7.4K
Gene Flow02:39

Gene Flow

37.6K
Gene flow is the transfer of genes among populations, resulting from either the dispersal of gametes or from the migration of individuals.
37.6K
Correlation of Experimental Data01:23

Correlation of Experimental Data

482
Dimensional analysis simplifies complex physical problems and guides experimental investigations, but it does not provide complete solutions. It identifies the dimensionless groups that influence a phenomenon, but experimental data is needed to establish the specific relationships and validate theoretical predictions.
For example, a spherical particle moving through a viscous fluid experiences drag. Dimensional analysis shows that the drag force depends on the particle's diameter, velocity,...
482

You might also read

Related Articles

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

Sort by
Same author

Determination of fluorine in lithium cobalt oxide samples by acid digestion-ion chromatography - A preliminary study.

Journal of chromatography. B, Analytical technologies in the biomedical and life sciences·2026
Same author

Continuous Hydrogen Sulfide Monitor Based on Positive Fluorescence Green Chemistry. Application to Geothermal Powerplant Environmental Impact Assessment.

ACS omega·2026
Same author

Low flow liquid flowmetry. A tutorial review.

Talanta·2026
Same author

Biomarkers and Mechanisms of Cardiovascular Susceptibility and Resilience to Post-Traumatic Stress Disorder.

Reviews in cardiovascular medicine·2025
Same author

Amnestic Mild Cognitive Impairment Does Not Alter Cerebrocortical Oxygenation Dynamics During Acute Hypoxia-Reoxygenation in Older Adults.

Biomedicines·2025
Same author

Physiological Differences Underlying Divergent Hypoxia Responses and Altitude Adaptations in Humans, Rats and Mice.

Comprehensive Physiology·2025

Related Experiment Video

Updated: Jan 27, 2026

Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus
14:59

Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus

Published on: October 14, 2022

10.3K

Inline flow sensor for ventriculoperitoneal shunts: Experimental evaluation in swine.

Chuchu Qin1, Albert H Olivencia-Yurvati2, Arthur G Williams3

  • 1Department of Chemistry and Biochemistry, University of Texas at Arlington, Arlington, TX 76019-0065, United States.

Medical Engineering & Physics
|March 30, 2019
PubMed
Summary

A new inline flow sensor accurately monitors cerebrospinal fluid shunt function in a swine hydrocephalus model. This device shows promise for reliable, non-invasive assessment of shunt performance, addressing a critical clinical need.

Keywords:
Bidirectional thermal transducerFlow sensorHydrocephalusVentriculoperitoneal shunt

More Related Videos

Shunt Surgery, Right Heart Catheterization, and Vascular Morphometry in a Rat Model for Flow-induced Pulmonary Arterial Hypertension
09:23

Shunt Surgery, Right Heart Catheterization, and Vascular Morphometry in a Rat Model for Flow-induced Pulmonary Arterial Hypertension

Published on: February 11, 2017

17.4K
A Flow-through Exposure System for Evaluating Suspended Sediments Effects on Aquatic Life
12:15

A Flow-through Exposure System for Evaluating Suspended Sediments Effects on Aquatic Life

Published on: January 9, 2017

8.9K

Related Experiment Videos

Last Updated: Jan 27, 2026

Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus
14:59

Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus

Published on: October 14, 2022

10.3K
Shunt Surgery, Right Heart Catheterization, and Vascular Morphometry in a Rat Model for Flow-induced Pulmonary Arterial Hypertension
09:23

Shunt Surgery, Right Heart Catheterization, and Vascular Morphometry in a Rat Model for Flow-induced Pulmonary Arterial Hypertension

Published on: February 11, 2017

17.4K
A Flow-through Exposure System for Evaluating Suspended Sediments Effects on Aquatic Life
12:15

A Flow-through Exposure System for Evaluating Suspended Sediments Effects on Aquatic Life

Published on: January 9, 2017

8.9K

Area of Science:

  • Biomedical Engineering
  • Neurosurgery
  • Medical Devices

Background:

  • Hydrocephalus is a severe neurological condition caused by cerebrospinal fluid (CSF) buildup.
  • Shunts are used to divert CSF but are prone to obstruction and failure.
  • A reliable, non-invasive method to monitor shunt performance is clinically needed.

Purpose of the Study:

  • To evaluate the performance of a novel inline flow sensor for monitoring CSF shunts.
  • To assess the sensor's accuracy and responsiveness in an animal model of hydrocephalus.

Main Methods:

  • Sensor-equipped shunt tubes were implanted in juvenile swine with induced hydrocephalus.
  • Sensor-reported flow rates were compared against gravimetric measurements.
  • Sensor response to abrupt flow changes was analyzed.

Main Results:

  • Robust correlations (r ≈ 0.87-0.96) were observed between sensor and gravimetric flow measurements in 4 of 6 experiments.
  • The sensor accurately reported shunt flows up to 35 ml/h with a mean slope of 0.98 ± 0.09.
  • The sensor demonstrated immediate response to induced flow changes.

Conclusions:

  • The inline flow sensor shows potential for accurate and reliable monitoring of CSF shunt function.
  • The study provides valuable data for future preclinical testing and clinical application of the device.
  • Addressing shunt obstruction and failure through effective monitoring is crucial for hydrocephalus management.