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

Tactile and Chemical Senses01:27

Tactile and Chemical Senses

872
Tactile senses encompass touch, temperature, and pain, each mediated by specific receptors. Touch receptors detect mechanical energy or pressure against the skin. Sensory fibers from these receptors enter the spinal cord and relay information to the brain stem. Here, most fibers cross over to the opposite side of the brain. The touch information then moves to the thalamus, which projects a map of the body's surface onto the somatosensory areas of the parietal lobes in the cerebral cortex.
872
Inverse Trigonometric Functions01:29

Inverse Trigonometric Functions

308
Inverse trigonometric functions are fundamental mathematical tools that reverse the actions of standard trigonometric functions. While trigonometric functions map angles to ratios, inverse trigonometric functions perform the opposite operation by mapping a ratio back to its corresponding angle. These functions are essential in various applications, particularly in determining angles when given specific distances, such as calculating elevation angles in navigation and engineering.For a function...
308
Inverse Hyperbolic Functions and Their Derivatives01:25

Inverse Hyperbolic Functions and Their Derivatives

83
The shape of a suspension bridge cable hanging under its own weight is described by a catenary curve, which is modeled using the hyperbolic cosine function. This mathematical model accurately captures the balance between gravity and tension acting along the cable. When a particular vertical position on the cable is known, the corresponding horizontal position can be determined using the inverse hyperbolic cosine function, allowing for a detailed analysis of the cable's geometry.Inverse...
83
Derivatives of Inverse Trigonometric Functions01:30

Derivatives of Inverse Trigonometric Functions

439
A ship tracking an approaching aircraft relies on geometric measurements to find out the aircraft’s position relative to the observer. By measuring the slant distance to the aircraft and the angle of elevation, the horizontal and vertical components of the distance can be obtained using trigonometric relationships. This geometric approach provides a basis for analyzing how the observed angle changes as the aircraft moves closer to the ship.To examine the mathematical behavior of the angle...
439
Hyperbolic and Inverse Hyperbolic Functions: Problem Solving01:30

Hyperbolic and Inverse Hyperbolic Functions: Problem Solving

132
An arched gate can be effectively modeled using a hyperbolic cosine profile because this type of function is smooth and symmetric about the vertical axis. When the arch is centered at the origin, its maximum height occurs at the center point. This symmetry ensures that any height below the crown of the arch is reached at two horizontal positions that are equal in distance from the centerline but lie on opposite sides.To determine where the gate reaches a height of five meters, the height of the...
132
DNA as a Genetic Template02:05

DNA as a Genetic Template

28.0K
Two structural features of the DNA molecule provide a basis for the mechanisms of heredity: the four nucleotide bases and its double-stranded nature. The Watson-Crick model of double-helical DNA structure, proposed in 1952, drew heavily upon the X-ray crystallography work of researchers Rosalind Franklin and Maurice Wilkins. Watson, Crick, and Wilkins jointly received the Nobel Prize in Physiology or Medicine for their work in 1962. Franklin was, controversially, excluded from the prize for...
28.0K

You might also read

Related Articles

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

Sort by
Same author

Controlling nitrosamine accumulation in dry fermented sausages using Lacticaseibacillus rhamnosus H7: The role of physicochemical drivers and precursor depletion.

Food microbiology·2026
Same author

Liquid biopsy-based multi-omics approach for early detection of hepatocellular carcinoma (ASCEND-Hep): a multiphase prospective development and validation study.

BMC medicine·2026
Same author

Development of a predictive model using key ultrasound characteristics to distinguish follicular thyroid neoplasms from nodular goiter.

Pakistan journal of medical sciences·2026
Same author

ShenQiWan alleviates chondrocyte pyroptosis in knee osteoarthritis by inhibiting the NF-κB/NLRP3 signaling pathway.

Histology and histopathology·2026
Same author

Defined Microbial Communities Modulate Polyphenol Transformation and Quality of Kombucha Across Different Tea Substrates.

Foods (Basel, Switzerland)·2026
Same author

Surface-Programmable Carbon Dots Dispersed in a Hydrophobic Polymer Film for In Situ Dynamic Sensing of Volatile Fatty Acids.

ACS nano·2026

Related Experiment Video

Updated: Feb 15, 2026

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates
08:09

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

Published on: May 9, 2014

11.5K

Self-Assembly Template Driven 3D Inverse Opal Microspheres Functionalized with Catalyst Nanoparticles Enabling a

Tianshuang Wang1, Inci Can2, Sufang Zhang1

  • 1State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University , 2699 Qianjin Street, Changchun 130012, People's Republic of China.

ACS Applied Materials & Interfaces
|January 26, 2018
PubMed
Summary

Highly porous indium oxide microspheres decorated with palladium oxide nanoparticles show enhanced acetone sensing. This novel material offers high sensitivity and selectivity for gas detection applications.

Keywords:
PdO@In2O3 compositeshigh-performance acetone gas sensorone-step ultrasonic spray pyrolysisself-assembly sulfonated PS spheresthree-dimensional inverse opal microspheres

More Related Videos

Highly Stable, Functional Hairy Nanoparticles and Biopolymers from Wood Fibers: Towards Sustainable Nanotechnology
11:32

Highly Stable, Functional Hairy Nanoparticles and Biopolymers from Wood Fibers: Towards Sustainable Nanotechnology

Published on: July 20, 2016

12.6K
Fabricating Highly Open Porous Microspheres HOPMs via Microfluidic Technology
05:21

Fabricating Highly Open Porous Microspheres HOPMs via Microfluidic Technology

Published on: May 16, 2022

3.5K

Related Experiment Videos

Last Updated: Feb 15, 2026

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates
08:09

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

Published on: May 9, 2014

11.5K
Highly Stable, Functional Hairy Nanoparticles and Biopolymers from Wood Fibers: Towards Sustainable Nanotechnology
11:32

Highly Stable, Functional Hairy Nanoparticles and Biopolymers from Wood Fibers: Towards Sustainable Nanotechnology

Published on: July 20, 2016

12.6K
Fabricating Highly Open Porous Microspheres HOPMs via Microfluidic Technology
05:21

Fabricating Highly Open Porous Microspheres HOPMs via Microfluidic Technology

Published on: May 16, 2022

3.5K

Area of Science:

  • Materials Science
  • Nanotechnology
  • Chemical Engineering

Background:

  • Semiconductor metal oxides (SMOs) with ordered porous structures offer large surface areas for enhanced applications.
  • Designing materials with controlled porosity is crucial for improving gas sensing performance.

Purpose of the Study:

  • To fabricate three-dimensional inverse opal indium oxide microspheres (3D-IO In2O3 MSs).
  • To load palladium oxide nanoparticles (PdO NPs) onto the 3D-IO In2O3 MSs.
  • To investigate the gas sensing properties of the resulting composite material.

Main Methods:

  • One-step ultrasonic spray pyrolysis (USP) using sulfonated polystyrene (S-PS) spheres as sacrificial templates.
  • Impregnation method for loading PdO NPs onto the 3D-IO In2O3 MSs.
  • Gas sensing measurements to evaluate response, selectivity, and detection limits.

Main Results:

  • Fabrication of 3D-IO In2O3 MSs with bimodal pore sizes (4 nm and 80 nm).
  • 3D-IO PdO@In2O3 MSs showed a 3.9 times higher response to 100 ppm acetone compared to pristine In2O3.
  • Achieved ppb-level detection limit for acetone with good selectivity and long-term stability.

Conclusions:

  • The unique 3D inverse opal structure, high surface area, and PdO NP catalysis contribute to superior acetone sensing.
  • The developed 3D-IO PdO@In2O3 MSs are promising for highly sensitive and selective gas sensors.
  • Ultrasonic spray pyrolysis is an effective method for creating advanced porous semiconductor materials.