Images Dated 12th December 2002
Available as Framed Photos, Photos, Wall Art and Gift Items
Choose from 27 pictures in our Images Dated 12th December 2002 collection for your Wall Art or Photo Gift. Popular choices include Framed Photos, Canvas Prints, Posters and Jigsaw Puzzles. All professionally made for quick delivery.
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Featured 12 Dec 2002 Print
Coloured SEM of DNA security beads on a diamond
DNA security beads. Coloured scanning electron micrograph (SEM) of CypherMark DNA (deoxyribonucleic eic acid) security beads in the crevice of a diamond. The microscopic beads are used to uncounterfeitably mark both liquids and solid surfaces as they have a unique DNA sequence attached to them. Here, some beads have lodged in a surface cavity of the diamond. Analysis of the DNA code allows the diamond to be identified, protecting against theft. CypherMark beads can also be used in sprays to mark criminals and in the identification of the source of oil spills. Photographed at Cypher Science Ltd. in Cardiff, Wales. Magnification: x1240 at 6x7cm size
© CYPHER SCIENCE LTD/SCIENCE PHOTO LIBRARY
Motorsport Images
Featured 12 Dec 2002 Print
Chlamydomonas alga
Coloured Transmission Electron Micrograph of a section through the unicellular green algae, Chlamydomonas asymmetrica. The micrograph shows the arrangement of chloroplasts (green) around the circumference of the cell. Chloroplasts are the sites of photosynthesis in higher plants & green algae. They contain light-sensitive chlorophyll pigments, which react to produce sugar from carbon dioxide. Sugar can be stored in the chloroplast as starch (yellow). Algal chloroplasts often contain a body called a pyrenoid, seen as the blue mass at the centre of the large area of starch. Magnific- ation: x3100 at 35mm size, x6000 at 6x6cm size. Reference: MICROCOSMOS, figure 1.8, page 10
© DR JEREMY BURGESS/SCIENCE PHOTO LIBRARY
