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

Weak Base Solutions03:21

Weak Base Solutions

24.9K
Some compounds produce hydroxide ions when dissolved by chemically reacting with water molecules. In all cases, these compounds react only partially and so are classified as weak bases. These types of compounds are also abundant in nature and important commodities in various technologies. For example, global production of the weak base ammonia is typically well over 100 metric tons annually, being widely used as an agricultural fertilizer, a raw material for chemical synthesis of other...
24.9K
Weak Acid Solutions04:02

Weak Acid Solutions

42.4K
Few compounds act as strong acids. A far greater number of compounds behave as weak acids and only partially react with water, leaving a large majority of dissolved molecules in their original form and generating a relatively small amount of hydronium ions. Weak acids are commonly encountered in nature, being the substances partly responsible for the tangy taste of citrus fruits, the stinging sensation of insect bites, and the unpleasant smells associated with body odor. A familiar example of a...
42.4K
Titration of a Weak Acid with a Weak Base01:08

Titration of a Weak Acid with a Weak Base

4.9K
Weak acids and bases do not undergo dissociation completely, and titrations between these two are rarely studied. When such studies are performed, say, for the titration of a weak acid with a weak base, the titration curve plots the change in pH as a function of the volume of base added. Take the titration of acetic acid with ammonia, for instance. During the titration, these two species form ammonium acetate and water, but the pH change is slow and gradual.
As a result, there is no simple...
4.9K
Titration Calculations: Weak Acid - Strong Base03:55

Titration Calculations: Weak Acid - Strong Base

49.1K
Calculating pH for Titration Solutions: Weak Acid/Strong Base
For the titration of 25.00 mL of 0.100 M CH3CO2H with 0.100 M NaOH, the reaction can be represented as:
49.1K
The Nucleosome Core Particle02:10

The Nucleosome Core Particle

14.2K
Nucleosomes are the DNA-histone complex, where the DNA strand is wound around the histone core. The histone core is an octamer containing two copies of H2A, H2B, H3, and H4 histone proteins.
The paradox
Nucleosomes, paradoxically, perform two opposite functions simultaneously. On the one hand, their main responsibility is to protect the delicate DNA strands from physical damage and help achieve a higher compaction ratio. While on the other hand, they must allow polymerase enzymes to access DNA...
14.2K
The Nucleosome Core Particle01:12

The Nucleosome Core Particle

2.3K
Nucleosomes are the DNA-histone complex, where the DNA strand is wound around the histone core. The histone core is an octamer containing two copies of H2A, H2B, H3, and H4 histone proteins.
Nucleosomes, paradoxically, perform two opposite functions simultaneously. On the one hand, their primary aim is to protect the delicate DNA strands from physical damage and help achieve a higher compaction ratio. On the other hand, they must allow polymerase enzymes to access histone-bound DNA during...
2.3K

You might also read

Related Articles

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

Sort by
Same author

Proposal for Direct Detection of Ultralight Dark Matter via Charged Lepton Flavor Violation.

Physical review letters·2026
Same author

Quantum Semiconductor Heterostructures for meV Axion Dark Matter Detection.

Physical review letters·2026
Same author

Biologics and Novel Therapeutics in Food Allergy.

The journal of allergy and clinical immunology. In practice·2026
Same author

Targeted degradation of MK2 is insufficient to block inflammatory cytokine production in human cells due to cooperativity with MK3 and MK5.

Frontiers in immunology·2026
Same author

Exploratory analyses of predictors and correlates of response to omalizumab therapy in patients with multiple food allergies.

The Journal of allergy and clinical immunology·2025
Same author

Hitting the Thermal Target for Leptophilic Dark Matter at Future Lepton Colliders.

Physical review letters·2025

Related Experiment Video

Updated: Jan 27, 2026

Quantitative and Qualitative Examination of Particle-particle Interactions Using Colloidal Probe Nanoscopy
13:15

Quantitative and Qualitative Examination of Particle-particle Interactions Using Colloidal Probe Nanoscopy

Published on: July 18, 2014

11.5K

Can the Inflaton Also Be a Weakly Interacting Massive Particle?

Dan Hooper1,2,3, Gordan Krnjaic1, Andrew J Long2

  • 1Fermi National Accelerator Laboratory, Theoretical Astrophysics Group, Batavia, Illinois 60510, USA.

Physical Review Letters
|April 2, 2019
PubMed
Summary
This summary is machine-generated.

A stable inflaton produced in the early Universe can be dark matter. Inflaton annihilations efficiently reheat the Universe, with weak-scale mass, offering prospects for direct detection.

More Related Videos

Massive Pontine Hemorrhage by Dual Injection of Autologous Blood
06:33

Massive Pontine Hemorrhage by Dual Injection of Autologous Blood

Published on: May 29, 2021

4.6K
Massively Parallel Reporter Assays in Cultured Mammalian Cells
11:03

Massively Parallel Reporter Assays in Cultured Mammalian Cells

Published on: August 17, 2014

22.4K

Related Experiment Videos

Last Updated: Jan 27, 2026

Quantitative and Qualitative Examination of Particle-particle Interactions Using Colloidal Probe Nanoscopy
13:15

Quantitative and Qualitative Examination of Particle-particle Interactions Using Colloidal Probe Nanoscopy

Published on: July 18, 2014

11.5K
Massive Pontine Hemorrhage by Dual Injection of Autologous Blood
06:33

Massive Pontine Hemorrhage by Dual Injection of Autologous Blood

Published on: May 29, 2021

4.6K
Massively Parallel Reporter Assays in Cultured Mammalian Cells
11:03

Massively Parallel Reporter Assays in Cultured Mammalian Cells

Published on: August 17, 2014

22.4K

Area of Science:

  • Cosmology
  • Particle Physics
  • Astrophysics

Background:

  • The nature of dark matter remains one of the most significant unsolved problems in cosmology.
  • The early Universe's thermal history and inflationary epoch are crucial for understanding its evolution.
  • Cosmic Microwave Background (CMB) observations provide stringent constraints on cosmological models.

Purpose of the Study:

  • To propose a novel dark matter candidate: a stable inflaton.
  • To investigate the potential for inflaton dark matter to reheat the Universe.
  • To explore inflationary models consistent with CMB data and weak-scale inflaton dark matter.

Main Methods:

  • Developing a class of theoretical models for inflaton production as a thermal relic.
  • Analyzing inflaton annihilation processes and their impact on Universe reheating.
  • Identifying specific inflationary potentials compatible with CMB observables.
  • Considering Higgs portal interactions for inflaton dark matter annihilation.

Main Results:

  • Demonstrated that a stable inflaton can be produced as a thermal relic and constitute dark matter.
  • Showed that inflaton annihilations can efficiently reheat the Universe.
  • Identified viable inflationary potentials accommodating CMB data with weak-scale inflaton dark matter.
  • Highlighted the potential for direct detection experiments via Higgs portal interactions.

Conclusions:

  • The proposed inflaton dark matter model offers a compelling explanation for dark matter and early Universe reheating.
  • The model is consistent with current CMB observations.
  • Future direct detection experiments may probe this dark matter candidate through Higgs portal interactions.