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

Types of Building Stone

Types of Building Stone

Building stones, essential materials for construction, are extracted from natural rock deposits and processed into specific forms and dimensions suitable for various building applications. These stones are broadly classified into three types based on their geological formation: igneous, sedimentary, and metamorphic.
Igneous rocks are formed from the solidification of magma or lava. An example is granite, known for its durability and resistance to weathering, making it ideal for parts of...

Quarrying of Stone

Quarrying of Stone

Quarrying is the process of extracting stone from a quarry, where specialized techniques are employed to remove large blocks of stone safely and efficiently. This process can involve controlled explosions or more precision-oriented methods such as cutting and drilling.
One common method involves using a diamond belt saw to cut large blocks from the quarry face. These blocks can be about 50 feet long and 12 feet high. After the initial vertical cut, drilling is performed at the base of the block.

Manufacture of Concrete Masonry Units

Manufacture of Concrete Masonry Units

The process of manufacturing concrete masonry units begins by mixing stiff concrete composed of Portland cement, aggregates, and water. This mixture is then poured into metal molds. To ensure the concrete settles uniformly and to avoid separation of its components, the mixture in the molds is subjected to vibration. Shortly after, the still-wet blocks are removed from the molds and placed on racks.
These wet blocks are then transported for curing, which can occur in one of two environments: a...

Preplaced Aggregate Concrete

Preplaced Aggregate Concrete

Preplaced aggregate concrete is ideal for construction environments that are not easily accessible. The process begins by properly wetting the gap-graded coarse aggregates to remove the dirt, then placing it in the form and compacting it. Voids are filled with a mortar mix pumped under pressure through slotted pipes. This mortar typically consists of Portland cement, pozzolan, fine aggregates, water, and a fluidizing aid. The pozzolan helps reduce bleeding and segregation while improving the...

You might also read

Related Articles

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

Sort by

Same author

Solvent-triggered reconfiguration of optical physical unclonable functions.

Nature communications·2026

Same author

Extreme Nanoconfinement Dramatically Enhances Small Molecule Solubility in Nonpolar Polymers.

ACS nano·2026

Same author

Recent advances in nanoalloys for selective electrochemical CO<sub>2</sub> reduction.

Nanoscale advances·2026

Same author

Squeezing new information out of small systems.

The Journal of chemical physics·2026

Same author

pH-Tunable, Ligand-Free Selective Separation of Rare Earth Elements Using Silica Nanoparticles.

ACS applied materials & interfaces·2026

Same author

Suppression of Macroscopic Phase Separation in Polymer Blends Confined within the Interstitial Pores of Dense Nanoparticle Packings.

ACS nano·2026

Search research articles

Related Experiment Video

Updated: Jul 13, 2026

Microfluidic Fabrication of Polymeric and Biohybrid Fibers with Predesigned Size and Shape

Microfluidic Fabrication of Polymeric and Biohybrid Fibers with Predesigned Size and Shape

Published on: January 8, 2014

Using Hybrid Coating to Fabricate Highly Stable and Expandable Transparent Liquid Marbles.

Renis Agosto Nieves¹, Gabriela Gomez Dopazo^1,2, Joseph Rosenfeld²

¹Department of Chemistry, University of Puerto Rico at Cayey, 205 Ave. Antonio R Barcelo, Cayey, Puerto Rico 00736, United States.

ACS Applied Materials & Interfaces

|November 27, 2024

Summary

This study developed advanced liquid marbles (LMs) using a hybrid coating of nano- and microparticles for sensitive colorimetric assays. These versatile microreactors offer a portable, instrument-free diagnostic tool with high accuracy and precision.

Keywords:

coalescence colorimetric methods evaporation time hybrid coating hydrophobic coatings microreactor silanized fumed silica silanized silica gel

More Related Videos

Aqueous Droplets Used as Enzymatic Microreactors and Their Electromagnetic Actuation

Aqueous Droplets Used as Enzymatic Microreactors and Their Electromagnetic Actuation

Published on: August 28, 2017

A Simple and Scalable Fabrication Method for Organic Electronic Devices on Textiles

A Simple and Scalable Fabrication Method for Organic Electronic Devices on Textiles

Published on: March 13, 2017

Related Experiment Videos

Last Updated: Jul 13, 2026

Microfluidic Fabrication of Polymeric and Biohybrid Fibers with Predesigned Size and Shape

Microfluidic Fabrication of Polymeric and Biohybrid Fibers with Predesigned Size and Shape

Published on: January 8, 2014

Aqueous Droplets Used as Enzymatic Microreactors and Their Electromagnetic Actuation

Aqueous Droplets Used as Enzymatic Microreactors and Their Electromagnetic Actuation

Published on: August 28, 2017

A Simple and Scalable Fabrication Method for Organic Electronic Devices on Textiles

A Simple and Scalable Fabrication Method for Organic Electronic Devices on Textiles

Published on: March 13, 2017

Area of Science:

Materials Science
Analytical Chemistry
Nanotechnology

Background:

Liquid marbles (LMs) are droplet-based microreactors with properties influenced by particle coatings.
Existing LM coatings have limitations in transparency, expandability, and stability for certain applications.
Developing robust LMs is crucial for advancing microfluidic and diagnostic technologies.

Purpose of the Study:

To fabricate and characterize liquid marbles (LMs) using a hybrid coating of modified silica gel (MSG) and modified fumed silica (MFS) particles.
To evaluate the performance of these hybrid LMs (MIX LMs) in colorimetric assays compared to LMs with single-component coatings.
To demonstrate the potential of MIX LMs as versatile microreactors for sensitive and portable diagnostic applications.

Main Methods:

Fabrication of LMs using a hybrid coating mixture (MIX) of MSG (40-75 μm) and MFS (200-300 nm) in a 3:7 (w/w) ratio.
Characterization of LM properties including transparency, expandability, evaporation resistance, and coalescence resistance.
Performance evaluation of MIX LMs in three different colorimetric assays (alkaline phosphatase, bovine serum albumin, chymotrypsin) and quantification using a smartphone application.

Main Results:

MIX LMs exhibited high transparency, over 20-fold expandability, and stability against evaporation for over 4 hours.
The hybrid coating significantly improved resistance to coalescence, attributed to the presence of different-sized particles.
Colorimetric assays in MIX LMs yielded results comparable in accuracy and precision to standard microwell plates, with low limits of detection and quantification.

Conclusions:

Hybrid coatings of nano- and microparticles create robust and versatile liquid marbles suitable for microreactor applications.
MIX LMs offer a promising platform for sensitive, portable, and instrument-free colorimetric assays.
This technology paves the way for more accessible and efficient diagnostic tools.