Browse Items (42 total)

  • Collection: 1988 - Dyn. Pattern Form. in Chem. and Math.

C16 - Compartmentation by surface forces (cytoplasm)

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C16 ,The procedure to create this pattern is the same as in C15, but the depth of the cytoplasmic layer is larger. The interplay of reaction and diffusion with addition of convectio driven by surface tension produces a complex pattern consisting of…

C15 - Rosette in 2D (cytoplasm)

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C15, A tiny drop of phoshate falls on a layer of cell-free cytoplasm from yeast. It follows a reaction in a star-like fashion forming a rosette.

C14 - Organization by convection in cell-free cytoplasm

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This image depicts dynamics of pattern formation reaching a higher level of complexity as a convective flow joins diffusion as a transport mechanism. If, e. g., surface forces, as they are caused by gradients in concentration and/ or temperature…

C13 - Chemical annuli in perspective

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C13 is little bit complicated: starting from a chemical wave pattern, a spatial contraction to small elements is performed. Afterwords, it is converted to 3D with color added.

C12 - Touch

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C12 Two circular waves touch each other, shown here in 3D.

C11 - Coarse grained spiral

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C11:This is a spiral depicted with a specific choice of spatial resolution and colors, thus presenting an artistic version.

C10 - Wave collision in a pair of spirals

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C10: Colliding spiral waves, as already shown in Image C5, are shown here in 3D perspective. At the colliding fronts one can see a trough caused by a mutual reduction of the excitation front size due to the reaction-diffusion mechanism.

C9 - Chemical canyon

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C9: The collision of several rotating spiral waves leads to a complex concentration pattern. The image shows, as a momentary situation, the chemical gradients occurring in such a pattern, where reaction and diffusion move in perfect balance through…

C8 - The Belousov-Zhabotinskii cone

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The cone depicted in this image shows a spiral core, which can be generated from the same data used for chemical gradients observed in such patterns, as they move through the solution in a the production of image C6. By reflection with respect to the…

C7 - Spiral cores

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This image was recorded and processed in the same way as C6, but now a larger part of the solution was observed with the camera, so that several spirals are measured.
The three-dimensional perspective from “below” visualizes the envelopes of the…