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

Methods of Classification and Identification01:28

Methods of Classification and Identification

37
Bacterial identification relies on a diverse array of techniques to classify and understand microorganisms, each tailored to uncover specific characteristics. Traditional morphological approaches, while still valuable, are limited for closely related or structurally simple organisms. Modern methods integrate biochemical, serological, genetic, and advanced molecular tools to achieve greater accuracy.Morphological and Biochemical TechniquesMorphological characteristics, such as cell shape and...
37
Flame Photometry: Overview01:02

Flame Photometry: Overview

661
Flame photometry, also known as flame emission spectrometry, is a technique used for the qualitative and quantitative analysis of elements present in a sample using a flame as the source of excitation energy. The concept of flame photometry was realized in the early 1860s by Kirchhoff and Bunsen, who discovered that specific elements emit characteristic radiation when excited in flames. The first instrument developed for this purpose was used to measure sodium (Na) in plant ash using a Bunsen...
661
Flame Photometry: Lab01:16

Flame Photometry: Lab

274
In a flame photometer, when a solution like potassium chloride is aspirated into the flame, the solvent evaporates, leaving behind dehydrated salt. This salt dissociates into free gaseous atoms in their ground state. Some of these atoms absorb energy from the flame, leading to their excitation. The excited atoms return to the ground state, emitting photons at characteristic wavelengths. Because only electronic transitions are involved, the resulting emission lines are very narrow. The intensity...
274

You might also read

Related Articles

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

Sort by
Same author

Visualizing intracellular and extracellular cell-mineral interactions in a three-dimensional breast tumor model.

Colloids and surfaces. B, Biointerfaces·2026
Same author

Terrorism, Perceived Threat, and Support for Surveillance: A Virtual Reality Experiment on Cyber vs. Conventional Terrorism.

International journal of environmental research and public health·2025
Same author

A novel method for extracting forensic evidence from aluminum foil that has been used as part of a "foil impressioning" kit, using toolmarks comparison techniques.

Journal of forensic sciences·2025
Same author

Nodal Spread Prediction in Human Oral Tongue Squamous Cell Carcinoma Using a Cancer-Testis Antigen Genes Signature.

International journal of molecular sciences·2025
Same author

A novel method for linking reciprocating saw blades, suspected of being used for theft, to a stolen catalytic converter by using toolmarks comparison techniques.

Journal of forensic sciences·2025
Same author

Unbalanced predatory communities and a lack of microbial degraders characterize the microbiota of a highly sewage-polluted Eastern-Mediterranean stream.

FEMS microbiology ecology·2024

Related Experiment Video

Updated: Jul 19, 2025

Holistic Facial Composite Creation and Subsequent Video Line-up Eyewitness Identification Paradigm
09:49

Holistic Facial Composite Creation and Subsequent Video Line-up Eyewitness Identification Paradigm

Published on: December 24, 2015

14.2K

Form follows function: Applying photographic content analysis to forensic firearm identification.

Alan Chaikovsky1, Zohar Pasternak2, Nir Finkelstein1

  • 1Toolmark and Materials Laboratory, Division of Identification and Forensic Science, Israel Police, Jerusalem, Israel.

Journal of Forensic Sciences
|August 18, 2023
PubMed
Summary
This summary is machine-generated.

Photographic content analysis can identify firearms in images and videos by examining functional features, not just appearance. This method helps determine if a depicted object is a firearm without physical seizure, aiding legal proceedings.

Keywords:
event sequence reconstructionfirearm identificationfunctional morphologyimprovised firearmlethalityphotographic content analysisvideo content analysis“Carlo”

More Related Videos

Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique
05:42

Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique

Published on: July 27, 2022

3.6K
Enhanced Genetic Analysis of Single Human Bioparticles Recovered by Simplified Micromanipulation from Forensic ‘Touch DNA’ Evidence
11:49

Enhanced Genetic Analysis of Single Human Bioparticles Recovered by Simplified Micromanipulation from Forensic ‘Touch DNA’ Evidence

Published on: March 9, 2015

15.8K

Related Experiment Videos

Last Updated: Jul 19, 2025

Holistic Facial Composite Creation and Subsequent Video Line-up Eyewitness Identification Paradigm
09:49

Holistic Facial Composite Creation and Subsequent Video Line-up Eyewitness Identification Paradigm

Published on: December 24, 2015

14.2K
Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique
05:42

Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique

Published on: July 27, 2022

3.6K
Enhanced Genetic Analysis of Single Human Bioparticles Recovered by Simplified Micromanipulation from Forensic ‘Touch DNA’ Evidence
11:49

Enhanced Genetic Analysis of Single Human Bioparticles Recovered by Simplified Micromanipulation from Forensic ‘Touch DNA’ Evidence

Published on: March 9, 2015

15.8K

Area of Science:

  • Forensic Science
  • Digital Forensics
  • Image Analysis

Background:

  • Increasing prevalence of suspected illegal firearms in digital media (CCTV, social media).
  • Legal challenges in proving firearm possession when only images/videos are available as evidence.
  • Requirement to prove lethal shooting capability for firearm charges in Israel.

Purpose of the Study:

  • To apply photographic content analysis to identify firearms in images and videos.
  • To establish functional morphological features of firearms for forensic analysis.
  • To determine if video analysis can infer a firearm's shooting capability.

Main Methods:

  • Creation of image and video databases of firearms and replicas.
  • Analysis of functional, not just aesthetic, morphology in depicted objects.
  • Event sequence reconstruction from video to identify shooting acts or processes.

Main Results:

  • Demonstrated ability to classify objects as firearms based on functional morphology.
  • Showcased that video analysis can infer shooting capacity.
  • Established photographic content analysis as a viable method for firearm identification without physical seizure.

Conclusions:

  • Photographic content analysis can forensically establish an object as a firearm from images/videos.
  • Functional morphology analysis is key to distinguishing firearms from replicas.
  • Event sequence reconstruction in videos can prove a firearm's capability to shoot.