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

Super-resolution Fluorescence Microscopy

Super-resolution Fluorescence Microscopy

Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been...

You might also read

Related Articles

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

Sort by

Same author

Toroidicity as a route towards non-volatile quaternary memory in antiferromagnets.

Nature communications·2026

Same author

Valence-free open nanoparticle superlattices.

Nature communications·2026

Same author

Helical Complex Ladder Polymer with Amplification of Asymmetry.

Journal of the American Chemical Society·2026

Same author

Adsorption of Mixed Micelles of Polysorbate 80 and Oleic Acid to the Air-Water Interface.

Langmuir : the ACS journal of surfaces and colloids·2026

Same author

Direct Observations of Ion Densities at Functionalized Interfaces to Test Hypotheses Regarding the Origin of Specific Ion Effects.

The journal of physical chemistry letters·2025

Same author

Autonomous Nanoparticle Synthesis Guided by <i>In Situ</i> Multiscale Structural Characterization.

Journal of the American Chemical Society·2025

Same journal

Construction and anti-osteoporotic activity evaluation of dual-targeted exosomes derived from bone marrow mesenchymal stem cells.

Nanoscale·2026

Same journal

Nonlinear electrical output enhancement <i>via</i> compositional matching in ZnO nanorod-PVDF/CB-PDMS hybrid piezoelectric-triboelectric nanogenerators.

Nanoscale·2026

Same journal

Dual MXene/COF separator with ion-sieving channels and electrocatalytic surfaces for high-performance and durable Li-S batteries.

Nanoscale·2026

Same journal

Low electronegativity-induced high-entropy engineering of (NiCoFeMnCr)<sub>3</sub>S<sub>4</sub> for an efficient oxygen evolution reaction.

Nanoscale·2026

Same journal

<i>In situ</i> self-catalyzed growth of Ni-N co-doped carbon nanotubes on carbon foam with engineered heterointerfaces for efficient electromagnetic absorption and stealth performance.

Nanoscale·2026

Same journal

Enhancing 3D/2D interfacial integrity between defect-engineered Mn-SrTiO<sub>3</sub> and rGO for high-efficiency bifunctional electrochemical water splitting.

Nanoscale·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Mar 13, 2026

Trapping of Micro Particles in Nanoplasmonic Optical Lattice

Trapping of Micro Particles in Nanoplasmonic Optical Lattice

Published on: September 5, 2017

Macroscopic and tunable nanoparticle superlattices.

Honghu Zhang¹, Wenjie Wang, Surya Mallapragada

¹Ames Laboratory and Department of Materials Science and Engineering, Iowa State University, Ames, Iowa 50011, USA.

|October 30, 2016

Summary

This summary is machine-generated.

Researchers developed a new method to create ordered nanoparticle superlattices using polymer phase separation. This technique allows for tunable crystal formation and potential for 3D structures.

More Related Videos

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates

Published on: May 9, 2014

Liquid-cell Transmission Electron Microscopy for Tracking Self-assembly of Nanoparticles

Liquid-cell Transmission Electron Microscopy for Tracking Self-assembly of Nanoparticles

Published on: October 16, 2017

Related Experiment Videos

Last Updated: Mar 13, 2026

Trapping of Micro Particles in Nanoplasmonic Optical Lattice

Trapping of Micro Particles in Nanoplasmonic Optical Lattice

Published on: September 5, 2017

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates

Published on: May 9, 2014

Liquid-cell Transmission Electron Microscopy for Tracking Self-assembly of Nanoparticles

Liquid-cell Transmission Electron Microscopy for Tracking Self-assembly of Nanoparticles

Published on: October 16, 2017

Area of Science:

Materials Science
Nanotechnology
Physical Chemistry

Background:

Assembling nanoparticles into ordered superlattices is crucial for advanced materials.
Controlling nanoparticle arrangement at interfaces remains a challenge.

Purpose of the Study:

To present a robust method for assembling nanoparticles into highly ordered superlattices.
To demonstrate control over superlattice formation using polymer phase separation.

Main Methods:

Utilizing aqueous phase separation of neutral capping polymers, specifically thiolated polyethylene-glycol-functionalized gold nanoparticles (PEG-AuNPs).
Inducing self-assembly at the liquid-vapor interface by varying salt (K2CO3) concentration.
Characterizing superlattice formation using surface-sensitive synchrotron X-ray reflectivity and grazing incidence X-ray diffraction.

Main Results:

PEG-AuNP monolayers transitioned from 2D gas-like to liquid-like phases with increasing salt concentration.
Highly ordered hexagonal superlattices formed beyond a threshold salt concentration.
In-plane packing was tunable by adjusting salt and nanoparticle concentrations, and PEG length.

Conclusions:

Nanoparticle assembly and crystallization are driven by reduced surface tension between PEG and salt solutions.
The method is general, applicable to various nanoparticles, and yields high-quality, tunable crystals.
The approach shows potential for designing ordered 3D nanostructures.