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

Microbes in Beverage Production01:25

Microbes in Beverage Production

Alcoholic beverages such as wine, beer, and spirits are the products of microbial fermentation processes that transform simple sugars into ethanol and a wide array of complex flavor compounds. These transformations rely on the metabolic activities of specific yeasts and bacteria, which are selected and controlled to yield the desired beverage characteristics.Wine Fermentation and MaturationWine production begins with the crushing of grapes to release juice and pulp, forming a must that is...
Production of Alcohol01:27

Production of Alcohol

Continuous fermentation is a key strategy in industrial ethanol production, particularly when efficiency, scalability, and high yields are essential. This approach allows for uninterrupted operation and optimized resource utilization. The primary feedstock, corn starch, undergoes enzymatic hydrolysis facilitated by α-amylase and glucoamylase. These enzymes break down the starch into fermentable sugars such as glucose, which are readily assimilated by fermentative microorganisms.Fermentation...

You might also read

Related Articles

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

Sort by
Same author

The Apparent Asymmetrical Relationship Between Small Bowel Bacterial Overgrowth, Endotoxemia, and Liver Steatosis and Fibrosis in Cirrhotic and Non-Cirrhotic Patients: A Single-Center Pilot Study.

Frontiers in medicine·2022
Same author

Kambo: Natural drug or potential toxic agent? A literature review of acute poisoning cases.

Toxicology reports·2022
Same author

The role of gluten-free diet in nonalcoholic fatty liver disease development.

European review for medical and pharmacological sciences·2021
Same author

Multifaceted pathogenesis of liver steatosis in inflammatory bowel disease: a systematic review.

European review for medical and pharmacological sciences·2021
Same author

Efficacy and tolerability of a novel galactomannan-based formulation for symptomatic treatment of gastroesophageal reflux disease: a randomized, double-blind, placebo-controlled study.

European review for medical and pharmacological sciences·2021
Same author

Trends and characteristics associated with dietary triggers and psychological distress in patients with irritable bowel syndrome: a cross-sectional study.

European review for medical and pharmacological sciences·2021

Related Experiment Video

Updated: Jul 26, 2026

Microdialysis of Ethanol During Operant Ethanol Self-administration and Ethanol Determination by Gas Chromatography
10:11

Microdialysis of Ethanol During Operant Ethanol Self-administration and Ethanol Determination by Gas Chromatography

Published on: September 5, 2012

18.1K

Ethanol concentration changes in blood samples during medium-term refrigerated storage.

G Stojiljkovic1, M Maletin, D Stojic

  • 1Institute of Forensic Medicine Clinical Center of Vojvodina, Medical Faculty, University of Novi Sad, Novi Sad, Serbia. goran.stojiljkovic@mf.uns.ac.rs.

European Review for Medical and Pharmacological Sciences
|December 17, 2016
PubMed
Summary

Blood alcohol concentration (BAC) in stored laboratory samples significantly decreases over 180 days, especially due to ethanol evaporation. This highlights the importance of sample handling for accurate forensic analysis.

More Related Videos

Measuring the Densities of Aqueous Glasses at Cryogenic Temperatures
09:50

Measuring the Densities of Aqueous Glasses at Cryogenic Temperatures

Published on: June 28, 2017

9.2K
Chronic Intermittent Ethanol Vapor Exposure Paired with Two-Bottle Choice to Model Alcohol Use Disorder
05:12

Chronic Intermittent Ethanol Vapor Exposure Paired with Two-Bottle Choice to Model Alcohol Use Disorder

Published on: June 23, 2023

1.7K

Related Experiment Videos

Last Updated: Jul 26, 2026

Microdialysis of Ethanol During Operant Ethanol Self-administration and Ethanol Determination by Gas Chromatography
10:11

Microdialysis of Ethanol During Operant Ethanol Self-administration and Ethanol Determination by Gas Chromatography

Published on: September 5, 2012

18.1K
Measuring the Densities of Aqueous Glasses at Cryogenic Temperatures
09:50

Measuring the Densities of Aqueous Glasses at Cryogenic Temperatures

Published on: June 28, 2017

9.2K
Chronic Intermittent Ethanol Vapor Exposure Paired with Two-Bottle Choice to Model Alcohol Use Disorder
05:12

Chronic Intermittent Ethanol Vapor Exposure Paired with Two-Bottle Choice to Model Alcohol Use Disorder

Published on: June 23, 2023

1.7K

Area of Science:

  • Forensic Science
  • Analytical Chemistry

Background:

  • Accurate blood alcohol concentration (BAC) measurement is crucial for repeated forensic analyses.
  • Understanding BAC stability in stored samples is essential for reliable results.

Purpose of the Study:

  • To investigate the stability of blood alcohol concentration (BAC) in laboratory samples stored at -18°C over 180 days.
  • To determine the impact of storage duration on BAC measurements.

Main Methods:

  • Quantitative analysis of BAC using headspace sampling gas chromatography (HS-GC) with flame ionizing detection (FID).
  • Analysis of 50 blood samples from apprehended drivers at 0, 60, 120, and 180 days.
  • Comparison with a control group stored under identical conditions.

Main Results:

  • A significant decrease in BAC was observed between initial analysis (C1) and 180 days (C180).
  • Significant BAC decreases occurred between all measurement intervals (C1-C60, C60-C120, C120-C180).
  • A strong positive correlation (r=0.8) was found between initial BAC and the extent of BAC change.

Conclusions:

  • Ethanol evaporation, driven by ventilation between liquid and gas phases, is a primary mechanism for BAC decay in stored samples.
  • The air chamber percentage (CA%) significantly influences BAC stability.
  • Proper sample handling and storage conditions are critical for maintaining BAC integrity in forensic toxicology.