Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Adsorption Isotherms I

Adsorption Isotherms I

Adsorption isotherms are mathematical models that describe how molecules in a gas or liquid phase interact with surfaces. Two of the most common isotherm models are the Langmuir and Freundlich isotherms, which relate to Type I monolayer chemisorption. The Langmuir model is based on four key assumptions:• Adsorption cannot exceed monolayer coverage.• All surface sites are equivalent.• Molecules adsorb only at vacant sites.• There are no interactions between adsorbed molecules.Consider the...

Adsorption Isotherms II

Adsorption Isotherms II

Brunauer, Emmett, and Teller (BET) introduced a theory in 1938 that modified Langmuir's assumptions to explain multilayer physical adsorption. This theory is applicable to Type II isotherms and provides a more realistic picture of adsorption processes. The BET theory assumes a uniform solid surface with localized adsorption sites, where adsorption at one site doesn't affect adsorption at neighboring sites. This theory also allows for the possibility of additional molecules being adsorbed on top...

Adsorption of Gases on Solids

Adsorption of Gases on Solids

Adsorption is a process where molecules, known as the adsorbates, accumulate on a surface, which is referred to as the adsorbent or substrate. Occurring at the solid-gas interface, this phenomenon is crucial in various scientific and industrial contexts. The reverse of adsorption is desorption.Two types of adsorptions exist: physical (physisorption) and chemical (chemisorption). Physisorption involves gas molecules held to the solid's surface by relatively weak intermolecular van der Waals...

Colloidal precipitates

Colloidal precipitates

The high insolubility of some precipitates can result in an unfavorable relative supersaturation. This can lead to colloidal particles with a large surface-to-mass ratio, where adsorption is promoted. For instance, in the precipitation of silver chloride, silver ions are adsorbed on the surface of the colloidal particles, forming a primary layer. This layer attracts ions of opposite charge (such as nitrate ions), forming a diffuse secondary layer of adsorbed ions. This electric double layer...

Analyte Adsorption and Distribution

Analyte Adsorption and Distribution

In certain chromatographic separations, solutes transfer between the mobile phase and the stationary phase via sorption, which typically refers to the process of adsorption. For many chromatographic systems, the sorption process often depends on the polarity of the compounds—an expression of the overall dipole moment within the molecule. During the separation process, there is competition between the solute and solvent for adsorption to the stationary phase. Highly polar compounds and solvents...

Precipitate Formation and Particle Size Control

Precipitate Formation and Particle Size Control

In precipitation gravimetry, the precipitating agent should react specifically or selectively with the analyte. While a specific reagent reacts with the analyte alone, a selective reagent can react with a limited number of chemical species.
The obtained precipitate should be either a pure substance of known composition or easily converted to one by a simple process, such as ignition or drying. In addition, the precipitate should be insoluble and easily filterable. In general, filterability...

You might also read

Related Articles

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

Sort by

Same author

SIRT6 knockout cells resist apoptosis initiation but not progression: a computational method to evaluate the progression of apoptosis.

Apoptosis : an international journal on programmed cell death·2017

Same author

Experimental Realization of a High-Quality Biochemical XOR Gate.

Chemphyschem : a European journal of chemical physics and physical chemistry·2017

Same author

Promises and Challenges in Continuous Tracking Utilizing Amino Acids in Skin Secretions for Active Multi-Factor Biometric Authentication for Cybersecurity.

Chemphyschem : a European journal of chemical physics and physical chemistry·2017

Same author

Glucose-Triggered Insulin Release from Fe<sup>3+</sup> -Cross-linked Alginate Hydrogel: Experimental Study and Theoretical Modeling.

Chemphyschem : a European journal of chemical physics and physical chemistry·2017

Same author

Design of High Quality Chemical XOR Gates with Noise Reduction.

Chemphyschem : a European journal of chemical physics and physical chemistry·2017

Same author

Rate-equation modelling and ensemble approach to extraction of parameters for viral infection-induced cell apoptosis and necrosis.

The Journal of chemical physics·2016

Search research articles

Related Experiment Video

Updated: Jun 25, 2026

Patterning of Microorganisms and Microparticles through Sequential Capillarity-assisted Assembly

Patterning of Microorganisms and Microparticles through Sequential Capillarity-assisted Assembly

Published on: November 4, 2021

Random sequential adsorption of objects of decreasing size.

Oleksandr Gromenko¹, Vladimir Privman

¹Department of Physics, Clarkson University, Potsdam, New York 13699-5721, USA.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics

|March 5, 2009

Summary

This study models shrinking particles during random sequential adsorption. Simulations reveal a "correlation hole" that appears and disappears over time, impacting surface properties.

More Related Videos

Monitoring Protein Adsorption with Solid-state Nanopores

Monitoring Protein Adsorption with Solid-state Nanopores

Published on: December 2, 2011

Study of Short Peptide Adsorption on Solution Dispersed Inorganic Nanoparticles Using Depletion Method

Study of Short Peptide Adsorption on Solution Dispersed Inorganic Nanoparticles Using Depletion Method

Published on: April 11, 2020

Related Experiment Videos

Last Updated: Jun 25, 2026

Patterning of Microorganisms and Microparticles through Sequential Capillarity-assisted Assembly

Patterning of Microorganisms and Microparticles through Sequential Capillarity-assisted Assembly

Published on: November 4, 2021

Monitoring Protein Adsorption with Solid-state Nanopores

Monitoring Protein Adsorption with Solid-state Nanopores

Published on: December 2, 2011

Study of Short Peptide Adsorption on Solution Dispersed Inorganic Nanoparticles Using Depletion Method

Study of Short Peptide Adsorption on Solution Dispersed Inorganic Nanoparticles Using Depletion Method

Published on: April 11, 2020

Area of Science:

Surface science
Statistical physics
Materials science

Background:

Random sequential adsorption (RSA) is a fundamental process in surface science.
Understanding particle size dynamics is crucial for predicting surface properties.
Previous RSA models often assume constant particle size.

Purpose of the Study:

To investigate the impact of time-dependent particle size reduction on RSA.
To analyze the formation and evolution of correlation functions in a shrinking particle system.
To characterize the phenomenon of the
correlation hole
in this dynamic adsorption model.

Main Methods:

Numerical Monte Carlo simulations in 2D (disk deposition) and 1D (segment deposition).
Analysis of density-density correlation functions and gap-size distributions.
Complementary analytical treatments for the 1D case.

Main Results:

Observed a time-dependent
correlation hole
—a depletion of correlations near particle contact.
Demonstrated the vanishing of correlations at contact during intermediate times.
Showcased the closing of the correlation hole and reemergence of logarithmic divergence at long times.

Conclusions:

Particle size dynamics significantly alter RSA behavior and surface correlations.
The dynamic correlation hole is a key feature of this shrinking particle adsorption model.
Results provide insights into the evolution of surface structures under time-varying deposition conditions.