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

Bacterial Phylum Actinobacteria01:30

Bacterial Phylum Actinobacteria

782
Coryneform bacteria are gram-positive, aerobic, nonmotile rods that exhibit irregular, club-shaped, or V-shaped arrangements. Their V-shape results from snapping division, where the inner cell wall layer forms the cross-wall, while the outer layer remains intact until it ruptures on one side, causing the daughter cells to bend away.The primary genera are Corynebacterium and Arthrobacter. Corynebacterium includes diverse species, ranging from saprophytes to pathogens like Corynebacterium...
782
Hyperthermophilic Bacteria01:21

Hyperthermophilic Bacteria

652
Domain Bacteria includes some unique hyperthermophilic species. They exhibit remarkable adaptations that enable survival in extreme environments.Thermotoga species are rod-shaped, gram-negative, non-sporulating hyperthermophiles that form a sheath-like envelope called a toga. They ferment sugars or starch, producing lactate, acetate, CO₂, and H₂, and can also grow via anaerobic respiration using H₂ and ferric iron. Found in hot springs and hydrothermal vents, over 20% of their...
652
Factors Influencing Microbial Growth: Temperature01:27

Factors Influencing Microbial Growth: Temperature

1.6K
Microorganisms display remarkable adaptations, enabling them to thrive in diverse ecological niches across a wide range of temperatures. Temperature profoundly influences microbial growth by affecting enzymatic activity, membrane fluidity, and other cellular processes.Each microorganism operates within a specific temperature range defined by three cardinal points: minimum, optimum, and maximum. Below the minimum temperature, membranes lose fluidity, halting transport processes. Above the...
1.6K
Increased Body Temperature01:25

Increased Body Temperature

7.6K
A body temperature above  38°C  (100.4 °F) is known as fever or pyrexia, and a person with fever is termed 'febrile.' Typically, the hypothalamus, a part of the brain that acts as the body's thermostat, regulates body temperature through a thermoregulatory setpoint. It receives signals from cold and warm thermal receptors throughout the body and adjusts the body's temperature accordingly. Fever occurs when this hypothalamic setpoint is altered, usually in...
7.6K
Carbon-dioxide Fixation01:28

Carbon-dioxide Fixation

789
Carbon dioxide fixation in prokaryotes enables the assimilation of inorganic carbon into organic molecules, supporting biosynthetic pathways, sustaining ecosystems, and contributing to the global carbon cycle. It also has industrial applications in carbon capture and bioproduct synthesis. Autotrophic organisms rely on this process to utilize CO₂ as a carbon source in diverse environments.The Calvin CycleThe Calvin cycle is the most widespread carbon fixation mechanism, primarily used by...
789
Diversity of Archaea IV01:29

Diversity of Archaea IV

564
Hyperthermophilic archaea are a group of extremophiles thriving at temperatures above 80°C, often in hydrothermal vents and volcanic soils where conditions surpass the boiling point of water. At such temperatures, proteins, membranes, and DNA in most organisms degrade, but hyperthermophiles have evolved remarkable adaptations to maintain stability and function.Unique Cellular FeaturesHyperthermophilic membranes are composed of a monolayer of biphytanyl tetraether lipids, which resist...
564

You might also read

Related Articles

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

Sort by
Same author

Schwertmannite transformation under strongly-acidic conditions favoring jarosite precipitation: The effect of arsenic(V) and temperature.

Journal of hazardous materials·2026
Same author

Weathering of scorodite by root exudates: Arsenic dissolution and solid-phase speciation.

Journal of hazardous materials·2026
Same author

The impact of anaerobic digestate and wood ash amendments on the indigenous <sup>14</sup>C-phenanthrene catabolism in soil.

Journal of environmental management·2026
Same author

Co-Occurrence, Bioaccumulation, and Dietary Risk Assessment of Per- and Polyfluoroalkyl Substances and Heavy Metals in Rice.

Journal of agricultural and food chemistry·2026
Same author

Influence of anaerobic digestate and wood ash on phenanthrene bioaccessibility and mineralisation in soil.

Chemosphere·2026
Same author

Plutonium signatures in refractory fallout support a Chernobyl nuclear jet hypothesis.

Journal of radioanalytical and nuclear chemistry·2026

Related Experiment Video

Updated: Mar 7, 2026

Characterization, Quantification and Compound-specific Isotopic Analysis of Pyrogenic Carbon Using Benzene Polycarboxylic Acids BPCA
08:12

Characterization, Quantification and Compound-specific Isotopic Analysis of Pyrogenic Carbon Using Benzene Polycarboxylic Acids BPCA

Published on: May 16, 2016

16.3K

Pyrogenic carbon in Australian soils.

Fangjie Qi1, Ravi Naidu1, Nanthi S Bolan1

  • 1Global Centre for Environmental Research, ATC Building, Faculty of Science and Information Technology, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia; Cooperative Research Centre for Contamination Assessment and Remediation of Environment (CRC CARE), The University of Newcastle, PO Box 18, Callaghan, NSW 2308, Australia.

The Science of the Total Environment
|February 21, 2017
PubMed
Summary

Pyrogenic carbon (PyC), combustion residues, is a key soil component. This study quantified PyC in Australian soils using chemo-thermal oxidation (CTO-375), revealing its significant contribution to total organic carbon and recalcitrant organic carbon pools.

Keywords:
ContentDistributionPyrogenic carbon (PyC)SoilSoil properties

More Related Videos

Monitoring Pedogenic Inorganic Carbon Accumulation Due to Weathering of Amended Silicate Minerals in Agricultural Soils.
07:32

Monitoring Pedogenic Inorganic Carbon Accumulation Due to Weathering of Amended Silicate Minerals in Agricultural Soils.

Published on: June 4, 2021

5.9K
High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities
12:33

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

Published on: November 15, 2013

48.6K

Related Experiment Videos

Last Updated: Mar 7, 2026

Characterization, Quantification and Compound-specific Isotopic Analysis of Pyrogenic Carbon Using Benzene Polycarboxylic Acids BPCA
08:12

Characterization, Quantification and Compound-specific Isotopic Analysis of Pyrogenic Carbon Using Benzene Polycarboxylic Acids BPCA

Published on: May 16, 2016

16.3K
Monitoring Pedogenic Inorganic Carbon Accumulation Due to Weathering of Amended Silicate Minerals in Agricultural Soils.
07:32

Monitoring Pedogenic Inorganic Carbon Accumulation Due to Weathering of Amended Silicate Minerals in Agricultural Soils.

Published on: June 4, 2021

5.9K
High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities
12:33

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

Published on: November 15, 2013

48.6K

Area of Science:

  • Soil Science
  • Biogeochemistry
  • Organic Geochemistry

Background:

  • Pyrogenic carbon (PyC) is a significant soil organic matter fraction derived from fossil fuel and biomass combustion.
  • Understanding PyC content and distribution is crucial for soil biogeochemical cycling and carbon sequestration studies.

Purpose of the Study:

  • To quantify PyC content and distribution in diverse Australian soils using chemo-thermal oxidation (CTO-375).
  • To compare PyC thermal stability with chemically recalcitrant organic carbon (ROC) pools.
  • To identify factors influencing PyC variation in soils.

Main Methods:

  • Application of chemo-thermal oxidation (CTO-375) to analyze PyC content in soil samples.
  • Soil sampling across various land uses (agricultural, pastoral, bushland, parkland) and depths (0-50 cm).
  • Principal component analysis - multiple linear regression (PCA-MLR) to determine factors affecting PyC variation.

Main Results:

  • PyC content in Australian soils ranged from 0.27-5.62 mg/g, contributing 2.0-11% to total organic carbon (TOC).
  • PyC concentration was highest in either top (0-10 cm) or bottom (30-50 cm) soil layers, with the highest PyC:TOC ratio in the bottom horizon.
  • Chemically recalcitrant organic carbon (ROC) pools were approximately ten times larger than thermally stable PyC pools.

Conclusions:

  • PyC is an important component of soil organic carbon and recalcitrant organic carbon pools in Australian soils.
  • Both CTO-375 and chemical fractionation methods can assess recalcitrant organic carbon, but yield different pool size estimates.
  • Silt-associated organic carbon significantly influences PyC variation in soils.