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

Ideal Solutions02:24

Ideal Solutions

22.7K
According to Raoult’s law, the partial vapor pressure of a solvent in a solution is equal or identical to the vapor pressure of the pure solvent multiplied by its mole fraction in the solution. However, Raoult's Law is only valid for ideal solutions. For a solution to be ideal, the solvent-solute interaction must be just as strong as a solvent-solvent or solute-solute interaction. This suggests that both the solute and the solvent would use the same amount of energy to escape to the...
22.7K
RNA Stability01:53

RNA Stability

35.8K
Intact DNA strands can be found in fossils, while scientists sometimes struggle to keep RNA intact under laboratory conditions. The structural variations between RNA and DNA underlie the differences in their stability and longevity. Because DNA is double-stranded, it is inherently more stable. The single-stranded structure of RNA is less stable but also more flexible and can form weak internal bonds. Additionally, most RNAs in the cell are relatively short, while DNA can be up to 250 million...
35.8K
Nuclear Stability03:18

Nuclear Stability

23.4K
Protons and neutrons, collectively called nucleons, are packed together tightly in a nucleus. With a radius of about 10−15 meters, a nucleus is quite small compared to the radius of the entire atom, which is about 10−10 meters. Nuclei are extremely dense compared to bulk matter, averaging 1.8 × 1014 grams per cubic centimeter. If the earth’s density were equal to the average nuclear density, the earth’s radius would be only about 200 meters.
To hold positively charged protons together...
23.4K
Predicting Molecular Geometry02:27

Predicting Molecular Geometry

46.1K
VSEPR Theory for Determination of Electron Pair Geometries
46.1K
General Properties of Solutions02:12

General Properties of Solutions

36.1K
Many common substances around us exist as a solution, such as ocean water, air, and gasoline. All solutions are mixtures of substances that are composed of varying amounts of two or more types of atoms or molecules. A mixture with a non-uniform composition is a heterogeneous mixture, whereas a mixture with a uniform composition is a homogeneous mixture. The components that make the homogeneous mixture are evenly spread out and thoroughly mixed. 
36.1K
Stability01:28

Stability

423
The time response of a linear time-invariant (LTI) system can be divided into transient and steady-state responses. The transient response represents the system's initial reaction to a change in input and diminishes to zero over time. In contrast, the steady-state response is the behavior that persists after the transient effects have faded.
The stability of an LTI system is determined by the roots of its characteristic equation, known as poles. A system is stable if it produces a bounded...
423

You might also read

Related Articles

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

Sort by
Same author

Pulsed Dye Laser Versus Intense Pulse Light in the Early Intervention of Surgical Scars: A Retrospective Study.

Aesthetic plastic surgery·2026
Same author

Development and validation of matrix-validated LC-MS/MS method for simultaneous quantification of 21 neonicotinoids and their metabolites in human urine.

Environmental science and pollution research international·2026
Same author

Exploring red circularly polarized multiple resonance thermally activated delayed fluorescence mechanism: From theoretical insights to molecular design.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy·2026
Same author

Donor Engineering and Solid-State Confinement Enable Switchable RTP and TADF in Saccharin-Based Emitters.

The journal of physical chemistry. A·2026
Same author

Discriminative power of organ-specific SOFA assessment in burn sepsis: A temporal biomarker analysis.

Burns : journal of the International Society for Burn Injuries·2025
Same author

The U-Shaped Relationship Between Serum Bicarbonate Levels and 28-Day Mortality in Patients With Sepsis: A Retrospective Cohort Study of MIMIC-IV Database.

Dose-response : a publication of International Hormesis Society·2025

Related Experiment Video

Updated: Feb 10, 2026

Gold Nanostar Synthesis with a Silver Seed Mediated Growth Method
12:39

Gold Nanostar Synthesis with a Silver Seed Mediated Growth Method

Published on: January 15, 2012

26.2K

How to accurately predict solution-phase gold nanostar stability.

Wenjing Xi1, Hoa T Phan1, Amanda J Haes2

  • 1Department of Chemistry, University of Iowa, 204 IATL, Iowa, 52242, USA.

Analytical and Bioanalytical Chemistry
|May 12, 2018
PubMed
Summary

Accurately predicting gold nanostar stability requires using the average radius of curvature for calculations, not just the average radius. This improved approach ensures reliable nanoparticle behavior for consistent analytical and bioanalytical applications.

Keywords:
DLVO theoryGold nanostarsSizeStability

More Related Videos

Direct Pressure Monitoring Accurately Predicts Pulmonary Vein Occlusion During Cryoballoon Ablation
11:03

Direct Pressure Monitoring Accurately Predicts Pulmonary Vein Occlusion During Cryoballoon Ablation

Published on: February 26, 2013

20.5K
Gold Nanoparticle Synthesis
13:42

Gold Nanoparticle Synthesis

Published on: July 10, 2021

15.9K

Related Experiment Videos

Last Updated: Feb 10, 2026

Gold Nanostar Synthesis with a Silver Seed Mediated Growth Method
12:39

Gold Nanostar Synthesis with a Silver Seed Mediated Growth Method

Published on: January 15, 2012

26.2K
Direct Pressure Monitoring Accurately Predicts Pulmonary Vein Occlusion During Cryoballoon Ablation
11:03

Direct Pressure Monitoring Accurately Predicts Pulmonary Vein Occlusion During Cryoballoon Ablation

Published on: February 26, 2013

20.5K
Gold Nanoparticle Synthesis
13:42

Gold Nanoparticle Synthesis

Published on: July 10, 2021

15.9K

Area of Science:

  • Nanotechnology
  • Materials Science
  • Physical Chemistry

Background:

  • Anisotropic nanoparticles can aggregate in solvents, limiting their practical applications.
  • Extended Derjaguin-Landau-Verwey-Overbeek (DLVO) theory struggles to predict the stability of anisotropic nanostructures.
  • Accurate prediction of nanoparticle stability is crucial for reproducible results.

Purpose of the Study:

  • To improve the prediction of gold nanostar stability in solution using DLVO theory.
  • To investigate the impact of nanostar dimension selection on interaction calculations.
  • To validate theoretical predictions with experimental measurements.

Main Methods:

  • Applied extended Derjaguin-Landau-Verwey-Overbeek (DLVO) theory to gold nanostars.
  • Calculated attractive and repulsive interactions using different nanostar dimensions.
  • Measured time-dependent localized surface plasmon resonance (LSPR) spectra.
  • Utilized collision theory to calculate minimum energy barriers.

Main Results:

  • Using the average radius of curvature of nanostar tips improved theoretical prediction accuracy.
  • Experimental validation confirmed theoretical predictions across varying ionic strengths.
  • Kinetic predictions were made based on calculated energy barriers and nanoparticle concentration.

Conclusions:

  • Selecting the appropriate gold nanostar dimension is critical for accurate stability prediction.
  • This study enhances understanding of inter-nanoparticle interactions in solution.
  • Improved stability prediction will lead to more consistent analytical and bioanalytical applications.