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

Fineness Modulus01:19

Fineness Modulus

The fineness modulus (FM) of aggregate is a numerical index that measures the coarseness or fineness of the particles. It is calculated by adding the cumulative percentages of aggregate retained on each of a specified series of sieves and dividing the sum by 100.
Consider performing sieve analysis on sand through a set of ASTM sieves. The weight of aggregate retained in each sieve and pan placed at the bottom is recorded, as given in Column B of Table 1.
To determine the fineness modulus of...
IR Frequency Region: Fingerprint Region01:03

IR Frequency Region: Fingerprint Region

IR spectra are divided into two main regions: the diagnostic region and the fingerprint region. The diagnostic region of the spectrum lies above 1500 cm−1. The absorptions resulting from single-bond vibrations of the N–H, C–H, and O–H stretch at higher wavenumbers and appear on the left side of the spectrum. The stretching absorptions of the C≡C and C≡N occur between 2100–2300 cm−1. In contrast, those arising from stretching absorptions of the C=O, C=N, and C=C occur between 1600–1850 cm−1.
The...
Difference from Background: Limit of Detection01:05

Difference from Background: Limit of Detection

The limit of detection (LOD) is the smallest amount of analyte that can be distinguished from the background noise. The LOD value corresponds to the concentration at which the analyte signal is three times larger than the standard deviation of the blank signal. Below this value, the analyte signal cannot be differentiated from the background noise. It is calculated by dividing the calibration slope by 3 times the standard deviation of the blank signals.
The LOD indicates the presence or absence...
Compacting Factor test01:22

Compacting Factor test

The compacting factor test is a method used to assess the workability of concrete. It is  especially suitable for concrete mixes containing aggregates up to one and a half inches in size. This test involves specialized equipment consisting of two truncated cone-shaped hoppers and a cylinder, all with polished interior surfaces to minimize friction.
The procedure begins by placing concrete into the upper hopper without any compaction. Once filled, the bottom door of this hopper is opened,...
Aliasing01:18

Aliasing

Accurate signal sampling and reconstruction are crucial in various signal-processing applications. A time-domain signal's spectrum can be revealed using its Fourier transform. When this signal is sampled at a specific frequency, it results in multiple scaled replicas of the original spectrum in the frequency domain. The spacing of these replicas is determined by the sampling frequency.
If the sampling frequency is below the Nyquist rate, these replicas overlap, preventing the original signal...
Atomic Fluorescence Spectroscopy01:29

Atomic Fluorescence Spectroscopy

Atomic fluorescence spectroscopy (AFS) is an analytical technique that involves the electronic transitions of atoms in a flame, furnace, or plasma being excited by electromagnetic (EM) radiation. When these atoms absorb energy, they become excited and subsequently release energy as they return to their original state. This emitted light, or "fluorescence," is observed at a right angle to the incident beam. Both absorption and emission processes transpire at distinct wavelengths, which are...

You might also read

Related Articles

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

Sort by
Same author

Novel H<sub>2</sub> colourimetric indicator for screening the activity of H<sub>2</sub>-generating bacteria and measuring their total viable count (TVC).

The Analyst·2026
Same author

Ammonia colourimetric indicator for measuring urease and ureolytic bacteria concentrations.

Biosensors & bioelectronics·2025
Same author

Early wound infection monitoring via headspace O<sub>2</sub> micro-respirometry.

Biosensors & bioelectronics·2024
Same author

An Interprofessional Team for Disease-Modifying Therapy in Alzheimer Disease Implementation.

Neurology. Clinical practice·2024
Same author

Bracing Adolescent Idiopathic Scoliosis (BASIS) study - night-time versus full-time bracing in adolescent idiopathic scoliosis: study protocol for a multicentre, randomized controlled trial.

Bone & joint open·2023
Same author

Photoinduced absorption spectroscopy (PIAS) study of water and chloride oxidation by a WO<sub>3</sub> photoanode in acidic solution.

Physical chemistry chemical physics : PCCP·2023
Same journal

A two-step centrifugal microfluidic platform for semi-automated IGRA detection of tuberculosis based on chemiluminescence.

The Analyst·2026
Same journal

On-site rapid identification of animal and plant creams <i>via</i> 2D FeB nanozyme-based colorimetric sensors.

The Analyst·2026
Same journal

Sensitive detection of aflatoxin B1 using a dual-mode fluorescent aptasensor based on cascade signal amplification.

The Analyst·2026
Same journal

Deep learning-enabled microfluidic digital PCR platform for efficient seven-color quantification.

The Analyst·2026
Same journal

Monitoring food spoilage biogenic amines utilizing a blue-emitting fluorescent ionic liquid.

The Analyst·2026
Same journal

Correction: Regeneration-on-a-chip: a planarian microfluidic device enabling automated cultivation, individual tracking and <i>in vivo</i> imaging for regeneration study.

The Analyst·2026
See all related articles

Related Experiment Video

Updated: Jun 5, 2026

EasyFiji: A Graphical Interface for User-Friendly Fluorescence Image Processing in Fiji
10:09

EasyFiji: A Graphical Interface for User-Friendly Fluorescence Image Processing in Fiji

Published on: February 20, 2026

A novel 'fizziness' indicator.

Andrew Mills1, Graham A Skinner

  • 1Department of Pure & Applied Chemistry, University of Strathclyde, Glasgow, UK G1 1XL. a.mills@strath.ac.uk

The Analyst
|January 7, 2011
PubMed
Summary
This summary is machine-generated.

A new color-changing indicator visually signals the carbon dioxide pressure in carbonated beverages. This simple fizziness indicator offers a novel way to assess beverage quality and freshness.

More Related Videos

Experimental and Data Analysis Workflow for Soft Matter Nanoindentation
13:04

Experimental and Data Analysis Workflow for Soft Matter Nanoindentation

Published on: January 18, 2022

Related Experiment Videos

Last Updated: Jun 5, 2026

EasyFiji: A Graphical Interface for User-Friendly Fluorescence Image Processing in Fiji
10:09

EasyFiji: A Graphical Interface for User-Friendly Fluorescence Image Processing in Fiji

Published on: February 20, 2026

Experimental and Data Analysis Workflow for Soft Matter Nanoindentation
13:04

Experimental and Data Analysis Workflow for Soft Matter Nanoindentation

Published on: January 18, 2022

Area of Science:

  • Food Science
  • Analytical Chemistry
  • Chemical Engineering

Background:

  • Maintaining optimal carbonation levels is crucial for the quality and consumer acceptance of carbonated beverages.
  • Accurate measurement of carbon dioxide (CO2) headspace pressure is essential for quality control in the beverage industry.

Purpose of the Study:

  • To introduce a novel colorimetric indicator for visually assessing the 'fizziness' of carbonated liquids.
  • To correlate the color change of the indicator with the carbon dioxide headspace pressure.

Main Methods:

  • Development of a novel colorimetric indicator sensitive to CO2 partial pressure.
  • Testing the indicator's color response in various carbonated liquid headspace conditions.
  • Calibration of indicator color change against measured CO2 headspace pressure.

Main Results:

  • The colorimetric indicator exhibits distinct color changes directly related to CO2 headspace pressure.
  • The indicator provides a simple, visual, and rapid assessment of carbonation levels.
  • The developed method demonstrates potential for non-instrumental quality control.

Conclusions:

  • A novel and effective colorimetric 'fizziness' indicator has been developed.
  • This indicator offers a practical tool for monitoring CO2 pressure and ensuring beverage quality.
  • The technology has implications for quality assurance in the carbonated beverage industry.