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DNA bundle on silicon nanopillars, SEM
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DNA bundle on silicon nanopillars, SEM
DNA bundle on silicon nanopillars. Scanning electron micrograph (SEM) of a DNA (deoxyribonucleic acid) bundle and silicon nanopillars used to obtain the first high-contrast direct images of DNA. The DNA bundle was prepared on a bed of silicon nanopillars (bottom left and top right). The holes allow the passage of electrons for transmission electron microscopy (TEM). The bundle (several DNA strands) is around 20 nanometres wide. This image was obtained in 2012 by a team led by Enzo di Fabrizio from the Department of Nanostructure, at the Italian Institute of Technology (IIT) in Genoa. For the TEM image, see C015/3216
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Media ID 9240903
© PROFESSOR ENZO DI FABRIZIO, IIT/SCIENCE PHOTO LIBRARY
2012 2013 Biomolecule Bundle Department Of Nanostructure Direct Image Direct Imaging Double Helix Enzo Di Fabrizio Fiber Fibre First Ever Ground Breaking Groundbreaking Helical Helix Historic Holes Italian Italian Institute Of Technology Macromolecule Nanoscale Nanostructure Nucleic Acid Pioneer Pioneering Published Strand Structural Biochemical Biochemistry Deoxyribonucleic Acid Genetics
EDITORS COMMENTS
This print showcases a groundbreaking moment in the field of biology. Taken by a team led by Enzo di Fabrizio from the Department of Nanostructure at the Italian Institute of Technology (IIT) in Genoa, this image represents a significant milestone in DNA research. The scanning electron micrograph (SEM) captures a DNA bundle delicately positioned on silicon nanopillars. These pillars serve as a bed for the DNA strands and also allow electrons to pass through for transmission electron microscopy (TEM). The high contrast achieved in this direct image provides an unprecedented view of the intricate structure of DNA. Published in 2012, this historic photograph demonstrates the pioneering efforts made by scientists to unravel the mysteries hidden within our genetic code. With its monochrome aesthetic and nanoscale focus, it symbolizes both scientific progress and technological advancements. The double helix arrangement of nucleic acids is clearly visible within the approximately 20-nanometer-wide DNA bundle. This visual representation not only highlights the beauty inherent in biological structures but also emphasizes their importance as macromolecules essential for life itself. As we delve further into understanding genetics and biochemistry, images like these continue to shape our knowledge and push boundaries. This print serves as a testament to human curiosity, innovation, and dedication to unlocking nature's secrets at an atomic level.
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