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

Speciation Rates

Speciation Rates

Speciation can proceed at markedly different rates, and evolutionary biologists commonly describe these differences through the models of gradualism and punctuated equilibrium. Both patterns explain how new species arise, but they differ in the tempo and continuity of evolutionary change. In both cases, evolutionary change arises from heritable variation within populations, with natural selection often shaping traits that improve survival and reproduction under specific environmental conditions.

Multi-species Conserved Sequences

Multi-species Conserved Sequences

Next-generation sequencing technologies have created large genomic databases of a variety of animals and plants. Ever since the human genome project was completed, scientists studied the genome of primates, mammals, and other phylogenetically distant living beings. Such large-scale studies have provided new insights into the evolutionary relationship between organisms.
Although the genome of each species varies greatly from each other, a few sequences are highly conserved. Such conserved DNA...

Genetics of Speciation

Genetics of Speciation

Speciation is the evolutionary process resulting in the formation of new, distinct species—groups of reproductively isolated populations.The genetics of speciation involves the different traits or isolating mechanisms preventing gene exchange, leading to reproductive isolation. Reproductive isolation can be due to reproductive barriers that have effects either before or after the formation of a zygote. Pre-zygotic mechanisms prevent fertilization from occurring, and post-zygotic mechanisms...

Ultraviolet and Visible (UV–Vis) Spectroscopy: Overview

Ultraviolet and Visible (UV–Vis) Spectroscopy: Overview

Ultraviolet–visible (UV–visible or UV–Vis) spectroscopy is an analytical technique that investigates the interaction between matter and UV–Vis light within the electromagnetic spectrum. This method is widely used for its versatility, simplicity, and relatively quick data acquisition, making it valuable for both qualitative and quantitative analysis. When UV–Vis radiation passes through a material, molecules absorb light depending on the energy required for electronic transitions. As a result...

Molecular Models

Molecular Models

Physical models representing molecular architectures of chemical compounds play essential roles in understanding chemistry. The use of molecular models makes it easier to visualize the structures and shapes of atoms and molecules.

UV–Vis Spectroscopy: Molecular Electronic Transitions

UV–Vis Spectroscopy: Molecular Electronic Transitions

In Ultraviolet–Visible (UV–Vis) spectroscopy, the absorption of electromagnetic radiation is used to probe the electronic structure of molecules. This technique provides insights into molecular electronic transitions, particularly the movement of electrons between different molecular orbitals. Radiation is absorbed if the energy of the electromagnetic radiation passing through the molecule is precisely equal to the energy difference between the excited and ground states. During this process,...

You might also read

Related Articles

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

Sort by

Same author

Insights from the Convolution of Emission Inventories with Flux Footprints from Tall Eddy Covariance Towers at Three European Cities.

ACS ES&T air·2026

Same author

Desert dust exerts twice the longwave radiative heating estimated by climate models.

Nature communications·2026

Same author

Large discrepancies in dominant microphysical processes governing mixed-phase clouds across climate models.

NPJ climate and atmospheric science·2026

Same author

Socioeconomic and energy transition disparities in air pollution-related mortality across Europe.

Nature medicine·2026

Same author

High-resolution modelling of organic aerosol over Europe: exploring spatial and temporal variability and drivers.

Environment international·2026

Same author

Effect of land use changes on air quality: impacts of urbanization, urban vegetation, and agriculture.

npj urban sustainability·2025

Search research articles

Related Experiment Video

Updated: Jun 3, 2026

Applying Cheminformatics to Develop a Structure Searchable Database of Analytical Methods

Applying Cheminformatics to Develop a Structure Searchable Database of Analytical Methods

Published on: June 6, 2025

A Comprehensive NMVOC Speciation Database for European Atmospheric Modelling.

Kevin Oliveira¹, Marc Guevara², Jeroen Kuenen³

¹Barcelona Supercomputing Center, Plaça Eusebi Güell 1-3, Barcelona, 08034, Spain. kevin.deoliveira@bsc.es.

Scientific Data

|June 1, 2026

Summary

A new database quantifies European non-methane volatile organic compound (NMVOC) emissions using speciated profiles. This resource aids air quality modeling and mitigation strategy evaluation by providing detailed, harmonized data for European conditions.

More Related Videos

Combustion Chemistry of Fuels: Quantitative Speciation Data Obtained from an Atmospheric High-temperature Flow Reactor with Coupled Molecular-beam Mass Spectrometer

Combustion Chemistry of Fuels: Quantitative Speciation Data Obtained from an Atmospheric High-temperature Flow Reactor with Coupled Molecular-beam Mass Spectrometer

Published on: February 19, 2018

Concentration of Metabolites from Low-density Planktonic Communities for Environmental Metabolomics using Nuclear Magnetic Resonance Spectroscopy

Concentration of Metabolites from Low-density Planktonic Communities for Environmental Metabolomics using Nuclear Magnetic Resonance Spectroscopy

Published on: April 7, 2012

Related Experiment Videos

Last Updated: Jun 3, 2026

Applying Cheminformatics to Develop a Structure Searchable Database of Analytical Methods

Applying Cheminformatics to Develop a Structure Searchable Database of Analytical Methods

Published on: June 6, 2025

Combustion Chemistry of Fuels: Quantitative Speciation Data Obtained from an Atmospheric High-temperature Flow Reactor with Coupled Molecular-beam Mass Spectrometer

Combustion Chemistry of Fuels: Quantitative Speciation Data Obtained from an Atmospheric High-temperature Flow Reactor with Coupled Molecular-beam Mass Spectrometer

Published on: February 19, 2018

Concentration of Metabolites from Low-density Planktonic Communities for Environmental Metabolomics using Nuclear Magnetic Resonance Spectroscopy

Concentration of Metabolites from Low-density Planktonic Communities for Environmental Metabolomics using Nuclear Magnetic Resonance Spectroscopy

Published on: April 7, 2012

Area of Science:

Environmental Chemistry
Atmospheric Science
Air Quality Management

Background:

Non-methane volatile organic compound (NMVOC) emissions are crucial for air quality modeling, influencing atmospheric oxidation and secondary pollutant formation.
Accurate quantification of NMVOC emissions in Europe is currently limited, hindering effective air quality management and mitigation strategy development.

Purpose of the Study:

To introduce a novel database of European-specific NMVOC speciation profiles.
To provide harmonized data reflecting current European technologies, fuels, and regulations for all anthropogenic emission sources.
To facilitate the integration of NMVOC speciation data into air quality models and emission inventories.

Main Methods:

Systematic compilation and harmonization of NMVOC speciation profiles from scientific literature.
Inclusion of 130 chemical speciation profiles and over 900 individual NMVOC species.
Mapping profiles to Selected Nomenclature for Air Pollution (SNAP) and Nomenclature for Reporting (NFR) classifications for inventory integration.
Aggregation of species into 25 Global Emissions Inventory Activity (GEIA) NMVOC groups for chemical mechanism compatibility.

Main Results:

A comprehensive database of 130 NMVOC speciation profiles for European anthropogenic sources.
Detailed species-level mass fractions and GEIA group aggregations for 900+ NMVOC species.
Profiles mapped to SNAP and NFR sectors, with a ready-to-use file for the Copernicus Atmosphere Monitoring Service (CAMS-REG) inventory.

Conclusions:

The new database significantly improves the quantification of European NMVOC emissions.
It provides essential, harmonized data for advanced air quality modeling and the assessment of emission control strategies.
Facilitates seamless integration into existing European emission inventory frameworks and modeling tools.