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

Dosage Compensation02:50

Dosage Compensation

7.4K
In animals, gender is determined by the number and type of sex chromosome. For example, human females have two X chromosomes, and males have one X and one Y chromosome, whereas C.elegans with one X chromosome is a male, and the one with two X chromosomes is a hermaphrodite.
In addition to sexual development, the X chromosome has genes involved in autosomal functions such as brain development and the immune system. Therefore, males and females with  distinct numbers of X chromosomes will...
7.4K
Compensation Mechanisms01:28

Compensation Mechanisms

2.1K
The human body employs intricate mechanisms to counteract changes in blood pH, preventing conditions like acidosis (pH < 7.35) and alkalosis (pH > 7.45). These compensatory responses aim to restore normal arterial blood pH by engaging respiratory or renal systems, depending on the source of the imbalance.
Respiratory Compensation
This mechanism addresses metabolic-induced pH imbalances by adjusting breathing rates. Respiratory compensation begins within minutes of detecting a pH...
2.1K
Vapor Pressure02:34

Vapor Pressure

40.7K
When a liquid vaporizes in a closed container, gas molecules cannot escape. As these gas phase molecules move randomly about, they will occasionally collide with the surface of the condensed phase, and in some cases, these collisions will result in the molecules re-entering the condensed phase. The change from the gas phase to the liquid is called condensation. When the rate of condensation becomes equal to the rate of vaporization, neither the amount of the liquid nor the amount of the vapor...
40.7K
Effects of Temperature on Free Energy02:11

Effects of Temperature on Free Energy

28.3K
The spontaneity of a process depends upon the temperature of the system. Phase transitions, for example, will proceed spontaneously in one direction or the other depending upon the temperature of the substance in question. Likewise, some chemical reactions can also exhibit temperature-dependent spontaneities. To illustrate this concept, the equation relating free energy change to the enthalpy and entropy changes for the process is considered:
28.3K
Constant Pressure Calorimetry03:02

Constant Pressure Calorimetry

97.7K
Calorimetry is a technique used to measure the amount of heat involved in a chemical or physical process or to measure the heat transferred to or from a substance. The heat is exchanged with a calibrated and insulated device called the calorimeter. Calorimetry experiments are based on the assumption that there is no heat exchange between the insulated calorimeter and the external environment. The well-insulated calorimeters prevent the transfer of heat between the calorimeter and its external...
97.7K
Definition and Measurement of Pressure: Atmospheric Pressure, Barometer, and Manometer02:57

Definition and Measurement of Pressure: Atmospheric Pressure, Barometer, and Manometer

43.4K
Gas pressure is caused by force exerted by gas molecules colliding with the surfaces of objects. Although the force of each collision is very small, any surface of an appreciable area experiences a large number of collisions in a short time, which can result in high pressure.
43.4K

You might also read

Related Articles

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

Sort by
Same author

Rural E-Cigarette Use Higher than Urban Across Age Groups.

Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco·2026
Same author

Effect of breathing pattern on nasal airflow, air conditioning, and gas clearance in a patient specific upper airway model.

Respiratory physiology & neurobiology·2026
Same author

Anatomically parameterised statistical shape modelling of LVAD-supported left ventricles for thrombosis risk assessment.

Computers in biology and medicine·2026
Same author

ECMO PAL VV: using deep neural networks for survival prognostication in venovenous extracorporeal membrane oxygenation.

Critical care (London, England)·2026
Same author

Impact of arm position and load on upper and lower esophageal sphincter pressures.

Frontiers in physiology·2026
Same author

Venoarterial Extracorporeal Membrane Oxygenation Drainage Cannula Choice Impacts Flow Dynamics and Thrombosis Risk: A Computational Analysis.

ASAIO journal (American Society for Artificial Internal Organs : 1992)·2026

Related Experiment Video

Updated: Feb 2, 2026

Writing Bragg Gratings in Multicore Fibers
08:48

Writing Bragg Gratings in Multicore Fibers

Published on: April 20, 2016

8.7K

Temperature Compensated Fibre Bragg Grating Pressure Sensor for Ventricular Assist Devices.

Andrew F Stephens, Andrew Busch, Shaun D Gregory

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |November 17, 2018
    PubMed
    Summary

    This study developed a novel fiber Bragg grating sensor for continuous blood pressure monitoring in rotary ventricular assist devices (VADs). Temperature compensation significantly improved accuracy, enhancing patient safety during VAD therapy.

    More Related Videos

    A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings
    08:23

    A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings

    Published on: September 30, 2019

    6.7K
    In Vitro Thrombosis Test for Ventricular Assist Devices
    09:15

    In Vitro Thrombosis Test for Ventricular Assist Devices

    Published on: March 21, 2025

    1.2K

    Related Experiment Videos

    Last Updated: Feb 2, 2026

    Writing Bragg Gratings in Multicore Fibers
    08:48

    Writing Bragg Gratings in Multicore Fibers

    Published on: April 20, 2016

    8.7K
    A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings
    08:23

    A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings

    Published on: September 30, 2019

    6.7K
    In Vitro Thrombosis Test for Ventricular Assist Devices
    09:15

    In Vitro Thrombosis Test for Ventricular Assist Devices

    Published on: March 21, 2025

    1.2K

    Area of Science:

    • Biomedical Engineering
    • Medical Devices
    • Sensor Technology

    Background:

    • Rotary ventricular assist devices (VADs) support heart failure patients but lack real-time hemodynamic monitoring outside hospitals.
    • Constant manual speed settings in VADs can lead to dangerous over- or under-pumping events.
    • Implantable sensors are needed for continuous blood pressure monitoring within VADs to detect adverse events.

    Purpose of the Study:

    • To investigate a fiber Bragg grating (FBG) based strain sensor for implantable, real-time blood pressure monitoring in rotary VADs.
    • To develop and validate a temperature compensation method for accurate pressure readings.

    Main Methods:

    • A temperature-compensated FBG-based strain sensor was designed for VAD integration.
    • A generalized linear model was employed to correct temperature-related errors in pressure readings.
    • Sensor performance was evaluated across a pressure range of -25 to 150 mmHg and temperatures between 35-39°C.

    Main Results:

    • Without temperature compensation, the FBG sensor exhibited a mean error of ±5 mmHg.
    • Temperature compensation reduced the mean error to less than ±2 mmHg over the tested pressure range.
    • The compensation technique proved effective across a broad spectrum of temperatures and pressures.

    Conclusions:

    • The developed FBG sensor, with temperature compensation, offers accurate and continuous blood pressure monitoring for rotary VADs.
    • This technology has the potential to significantly improve patient safety by enabling early detection of adverse events.
    • Real-time hemodynamic data can enhance VAD management and patient outcomes.