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False colour TEM and fingerprint of soot (air)

False colour TEM and fingerprint of soot (air)


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False colour TEM and fingerprint of soot (air)

Soot identification for pollution control. High- resolution transmission electron micrograph (HRTEM) of a particle of soot from wood or coal burning (left) with its derived signature. The HRTEM shows the structure of the soot particle. Image analysis produces the signature (right), from which are derived details of the structure such as graphite lattice spacing in the particle. Smaller spacings tend to indicate that the soot originated in a diesel engine, larger spacings (as here) tend to arise from wood or coal burning. Signatures could be used to identify sources of soot pollution. HRTEM magnification: x2.5 million

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 6368473

© 1994 A.PALOTAS, A.SAROFIM & J.VANDER SANDE/SCIENCE PHOTO LIBRARY

Air Pollution Environmental Finger Print Forensic Forensics Monitoring Pollution Pollution Research Signature Soot


EDITORS COMMENTS
This print showcases the false color transmission electron micrograph (TEM) of a soot particle, along with its derived signature. The high-resolution TEM image on the left provides an intricate view of the structure of the soot particle, obtained from wood or coal burning. On the right, we observe the derived signature through image analysis, which reveals crucial details about the particle's structure, including graphite lattice spacing. The significance of this research lies in its potential application for pollution control and identification. By analyzing signatures like these, scientists can discern valuable information about the origin of soot pollution. Smaller lattice spacings often indicate that the soot originated from diesel engines, while larger spacings suggest wood or coal burning as its source. With environmental concerns at an all-time high, understanding and monitoring sources of air pollution is paramount. This print represents a breakthrough in environmental monitoring and forensic research related to air pollution and soot identification. Its implications extend beyond scientific curiosity; they hold promise for developing effective strategies to combat air pollution and safeguard our environment. Science Photo Library has once again captured a visually stunning representation that combines science with artistry. Through their lens, we gain insight into microscopic worlds that have far-reaching consequences for our planet's well-being – reminding us why it is essential to continue pushing boundaries in environmental research without commercial interests overshadowing these critical endeavors.

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