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

Blood Pressure Imbalances and Circulatory Shock01:24

Blood Pressure Imbalances and Circulatory Shock

769
Disorders affecting blood volume, vascular tone, or vascular function can disrupt vascular homeostasis, including conditions like hypertension, hemorrhage, and shock.
Blood Pressure: Hypertension and Hypotension
Normal blood pressure is 120/80 mm Hg. Elevated blood pressure is 120-129/under 80 mm Hg. Hypertension, warranting treatment at 130/80 mm Hg, is often asymptomatic and can lead to severe cardiovascular events, aneurysms, peripheral arterial disease, chronic renal disease, or cardiac...
769
Oxygen Transport in the Blood01:27

Oxygen Transport in the Blood

2.6K
Hemoglobin (Hb) is a crucial molecule in the human body, consisting of four polypeptide chains, each bound to an iron-containing heme group. This unique structure enables hemoglobin to bind to oxygen, with each molecule capable of combining with four molecules of oxygen, leading to rapid and reversible oxygen loading. When fully loaded with oxygen, it is called oxyhemoglobin, while hemoglobin that has released oxygen is called reduced hemoglobin or deoxyhemoglobin. As hemoglobin binds oxygen,...
2.6K
Alkali Metals03:06

Alkali Metals

19.3K
Group 1 elements are soft and shiny metallic solids. They are malleable, ductile, and good conductors of heat and electricity. The melting points of the alkali metals are unusually low for metals and decrease going down the group, while the density increases going down the group with the exception of potassium (Table 1).
Table 1: Properties of the alkali metals
19.3K
Acute Respiratory Failure-II01:21

Acute Respiratory Failure-II

208
Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
208

You might also read

Related Articles

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

Sort by
Same author

Maresin-1 protects against lipopolysaccharide (LPS)-induced depressive-like behavior in adolescent mice and promotes M2 microglial polarization via ERK/NF-κB signaling.

European journal of pharmacology·2026
Same author

Conditional knockout of Dkk3 drives Lgr5+ progenitor reprogramming into hair cells in the mouse cochlea.

Theranostics·2026
Same author

<i>Bacillus megaterium</i> supplementation improves growth performance, immunity, antioxidant capacity, and gut microbiota in cold-stressed neonatal calves.

Frontiers in microbiology·2026
Same author

Breaking the immunosuppressive barrier: an armored CAR-M biotechnology with the original M1 phenotype dominance rescues antitumor immunity.

Trends in biotechnology·2026
Same author

Design of a double-sided laser heating compatible piezoelectrically driven dynamic diamond anvil cell.

The Review of scientific instruments·2026
Same author

A meta-analysis of the safety and efficacy of 2 L versus 3 L polyethylene glycol in bowel preparation for colonoscopy.

BMC gastroenterology·2026
Same journal

Erratum for the Research Article "Assessing the health risks of rice cadmium content standards in China" by H. Chu <i>et al</i>.

Science advances·2026
Same journal

Erratum for the Research Article "Developmental regulation of Erk signaling by mitotic kinases" by F. Chen <i>et al</i>.

Science advances·2026
Same journal

Magnetically levitated metasurface enabling tangible and bidirectional human-machine interaction.

Science advances·2026
Same journal

A general photoinduced manganese-catalyzed platform for the sequential difunctionalization of [1.1.1]propellane.

Science advances·2026
Same journal

Turning sound and force into light with AlN:Mn<sup>2+</sup> mechanoluminescence.

Science advances·2026
Same journal

Extreme dominance of Earth-origin heavy ions in the intense ring current near the Earth during the May 2024 super geomagnetic storm.

Science advances·2026
See all related articles

Related Experiment Video

Updated: Jun 24, 2025

Conducting Elevated Temperature Normal and Combined Pressure-Shear Plate Impact Experiments Via a Breech-end Sabot Heater System
10:52

Conducting Elevated Temperature Normal and Combined Pressure-Shear Plate Impact Experiments Via a Breech-end Sabot Heater System

Published on: August 7, 2018

8.6K

B1-B2 transition in shock-compressed MgO.

June K Wicks1, Saransh Singh2, Marius Millot2

  • 1Dept. of Earth & Planetary Sciences, Johns Hopkins University, Baltimore, MD 21218, USA.

Science Advances
|June 7, 2024
PubMed
Summary
This summary is machine-generated.

Magnesium oxide (MgO) undergoes a B1 to B2 crystal structure phase transition at extreme pressures, crucial for understanding exoplanet mantle dynamics. This study experimentally determined the phase diagram of MgO under high pressure and temperature conditions.

More Related Videos

A Novel In Vitro Model of Blast Traumatic Brain Injury
08:59

A Novel In Vitro Model of Blast Traumatic Brain Injury

Published on: December 21, 2018

10.6K
Standardized Hemorrhagic Shock Induction Guided by Cerebral Oximetry and Extended Hemodynamic Monitoring in Pigs
07:51

Standardized Hemorrhagic Shock Induction Guided by Cerebral Oximetry and Extended Hemodynamic Monitoring in Pigs

Published on: May 21, 2019

7.4K

Related Experiment Videos

Last Updated: Jun 24, 2025

Conducting Elevated Temperature Normal and Combined Pressure-Shear Plate Impact Experiments Via a Breech-end Sabot Heater System
10:52

Conducting Elevated Temperature Normal and Combined Pressure-Shear Plate Impact Experiments Via a Breech-end Sabot Heater System

Published on: August 7, 2018

8.6K
A Novel In Vitro Model of Blast Traumatic Brain Injury
08:59

A Novel In Vitro Model of Blast Traumatic Brain Injury

Published on: December 21, 2018

10.6K
Standardized Hemorrhagic Shock Induction Guided by Cerebral Oximetry and Extended Hemodynamic Monitoring in Pigs
07:51

Standardized Hemorrhagic Shock Induction Guided by Cerebral Oximetry and Extended Hemodynamic Monitoring in Pigs

Published on: May 21, 2019

7.4K

Area of Science:

  • Planetary Science
  • Geophysics
  • Materials Science

Background:

  • Magnesium oxide (MgO) is a key component of planetary mantles.
  • Understanding MgO's high-pressure behavior is vital for exoplanet mantle dynamics.

Purpose of the Study:

  • To experimentally determine the phase diagram of MgO at extreme pressures.
  • To investigate the B1 to B2 crystal structure phase transition in MgO.

Main Methods:

  • Laser-compression experiments along the shock Hugoniot.
  • Simultaneous measurements of crystal structure, density, pressure, and temperature.
  • Analysis of phase transitions and melting points.

Main Results:

  • Identified the B1 to B2 phase transition between 397-425 GPa (~9700 K).
  • Observed a mixed-phase region (B1 and B2 coexistence) from 425-493 GPa.
  • Found B2-liquid coexistence above 500 GPa and complete melting at 634 GPa.

Conclusions:

  • The experimental data align with theoretical predictions including phonon anharmonicity.
  • The study provides critical insights into the timescale of MgO phase transitions under extreme conditions.
  • This research bridges the gap between theoretical and experimental studies on MgO.