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

Radioactive Decay and Radiometric Dating02:48

Radioactive Decay and Radiometric Dating

37.1K
Radioactivity is a spontaneous disintegration of an unstable nuclide and is a random process, as all the nuclei in the sample do not decay simultaneously. The number of disintegrations per unit time is called the activity (A), which is directly proportional to the number of nuclei in the sample. The decay constant (λ) is an average probability of decay per nucleus in unit time.
37.1K
Nonsense-mediated mRNA Decay02:27

Nonsense-mediated mRNA Decay

11.8K
The Upf proteins that carry out nonsense-mediated decay (NMD) are found in all eukaryotic organisms, including humans. Each protein has an individual role, but they need to work in collaboration. Upf1 is an ATP-dependent RNA helicase that unwinds the RNA helix. Because Upf1 can unwind any RNA, Upf2 and Upf3 are required to help Upf1 discriminate between nonsense and normal mRNAs.
Usually, Upf3 binds to an Exon Junction Complex (EJC) at mRNA splice sites. If a ribosome fully translates the mRNA,...
11.8K
Nonsense-mediated mRNA Decay02:27

Nonsense-mediated mRNA Decay

3.4K
3.4K
Interference and Decay01:16

Interference and Decay

456
Forgetting is a complex cognitive phenomenon influenced by several factors, among which interference and decay are particularly prominent. These processes explain why individuals often struggle to retrieve specific information from memory, leading to lapses in recall that can be observed in everyday situations.
Interference occurs when competing memories hinder the retrieval of particular information. It can be classified into two types: proactive and retroactive interference. Proactive...
456
Resting Potential Decay01:15

Resting Potential Decay

6.4K
The resting membrane potential of a neuron (-70mV) is sustained due to the selective ion permeability of the membrane. At the resting potential, the membrane is slightly permeable to ions like sodium (Na+) and chloride (Cl−) and highly permeable to potassium ions (K+). Differences in the ions' concentration inside the cell compared to the outside are maintained by membrane transport proteins like channels and pumps.
At rest, the K+ is the main ion that moves across the membrane...
6.4K
Current Growth And Decay In RL Circuits01:30

Current Growth And Decay In RL Circuits

4.6K
The current growth and decay in RL circuits can be understood by considering a series RL circuit consisting of a resistor, an inductor, a constant source of emf, and two switches. When the first switch is closed, the circuit is equivalent to a single-loop circuit consisting of a resistor and an inductor connected to a source of emf. In this case, the source of emf produces a current in the circuit. If there were no self-inductance in the circuit, the current would rise immediately to a steady...
4.6K

You might also read

Related Articles

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

Sort by
Same author

TorpeDNA: a fit-for-purpose eDNA sampling device for marine biodiversity monitoring across applications and scales.

PeerJ·2026
Same author

Seascape Connectivity Shapes Genetic and Species β-Diversity in Tropical Reef Fishes.

Ecology and evolution·2026
Same author

Zero-shot deep learning for the annotation of unknown eDNA sequences using co-occurrences and phylogenetic embeddings.

PLoS computational biology·2025
Same author

Species loss in key habitats accelerates regional food web disruption.

Communications biology·2025
Same author

Robot-Aided Measurement of Insect Diversity on Vegetation Using Environmental DNA.

Ecology and evolution·2025
Same author

Continuity in morphological disparity in tropical reef fishes across evolutionary scales.

Communications biology·2025

Related Experiment Video

Updated: Jan 29, 2026

Measurement of Coherence Decay in GaMnAs Using Femtosecond Four-wave Mixing
15:58

Measurement of Coherence Decay in GaMnAs Using Femtosecond Four-wave Mixing

Published on: December 3, 2013

6.1K

Beyond Exponential Decay: How Biphasic and Delayed Decay Dynamics Shape Marine eDNA Dispersal.

Mohamed Yosri Zanni1, Verena M Trenkel1, Camille Albouy2,3

  • 1DECOD (Ecosystem Dynamics and Sustainability), Institut-Agro, IFREMER, INRAe Nantes France.

Ecology and Evolution
|January 28, 2026
PubMed
Summary
This summary is machine-generated.

Understanding environmental DNA (eDNA) decay is crucial for marine monitoring. This study reveals that non-exponential decay patterns significantly impact eDNA dispersal and interpretation in marine environments.

Keywords:
Lagrangian particle trackingbiphasic decaydecaydelayed decayeDNAmonitoringpersistence

More Related Videos

Carrier Lifetime Measurements in Semiconductors through the Microwave Photoconductivity Decay Method
07:38

Carrier Lifetime Measurements in Semiconductors through the Microwave Photoconductivity Decay Method

Published on: April 18, 2019

34.3K
Measurement of mRNA Decay Rates in Saccharomyces cerevisiae Using rpb1-1 Strains
12:21

Measurement of mRNA Decay Rates in Saccharomyces cerevisiae Using rpb1-1 Strains

Published on: December 13, 2014

13.1K

Related Experiment Videos

Last Updated: Jan 29, 2026

Measurement of Coherence Decay in GaMnAs Using Femtosecond Four-wave Mixing
15:58

Measurement of Coherence Decay in GaMnAs Using Femtosecond Four-wave Mixing

Published on: December 3, 2013

6.1K
Carrier Lifetime Measurements in Semiconductors through the Microwave Photoconductivity Decay Method
07:38

Carrier Lifetime Measurements in Semiconductors through the Microwave Photoconductivity Decay Method

Published on: April 18, 2019

34.3K
Measurement of mRNA Decay Rates in Saccharomyces cerevisiae Using rpb1-1 Strains
12:21

Measurement of mRNA Decay Rates in Saccharomyces cerevisiae Using rpb1-1 Strains

Published on: December 13, 2014

13.1K

Area of Science:

  • Marine biology
  • Environmental science
  • Molecular ecology

Background:

  • Accurate interpretation of marine environmental DNA (eDNA) monitoring relies on understanding eDNA concentration changes after release.
  • Many studies default to a single-phase exponential decay model, despite evidence for complex patterns like biphasic and delayed decay.

Purpose of the Study:

  • To investigate the impact of different eDNA decay patterns on marine eDNA dispersal.
  • To quantify how biphasic and delayed decay dynamics affect eDNA concentrations compared to exponential decay.
  • To assess the implications for marine eDNA monitoring and transport models.

Main Methods:

  • Conducted a literature review of empirical eDNA decay experiments.
  • Performed an experimental study to determine empirical decay patterns at different temperatures.
  • Utilized high-resolution Lagrangian particle tracking to model eDNA dispersal.

Main Results:

  • Over half of reviewed studies and experimental data (at 13°C and 20°C) showed biphasic or delayed eDNA decay patterns.
  • The initial 12 hours post-release are critical for identifying biphasic or delayed decay dynamics.
  • Alternative decay dynamics increased eDNA concentrations by 2-4 times after 24 hours compared to exponential decay.

Conclusions:

  • Non-exponential decay patterns (biphasic, delayed) are common and significantly alter eDNA concentrations.
  • Assuming exponential decay can lead to substantial under- or overestimation of eDNA release, impacting monitoring accuracy.
  • Incorporating appropriate eDNA decay types is essential for accurate marine eDNA transport modeling and data interpretation.