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Bedrock Of The Community
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Latvia Emilija Gudriniece September 18, 2020 The stamp commemorates Emilija Gudriniece (1920-2004), a Latvian chemist who specialized in organic synthesis. The design includes a ball-and-stick model of nitrofurazone, an organic compound most commonly used as a topical antibiotic ointment.  |
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| Edited by KuoLC5310 - 09/25/2020 7:17 pm |
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Bedrock Of The Community
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Switzerland 100 Years of Insulin January 21, 1021 The design illustrates the insulin molecule in the form of a 3D band model, with its inner structure of the two amino acid chains.  |
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Bedrock Of The Community
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Portugal International Year of Crystallography July 21, 2014 Set of five stamps and a minisheet. The stamp entitled Biology shows a 3D model of polypeptide chain and heme group, building blocks of hemoglobin.  |
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Bedrock Of The Community
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Israel International Year of Chemistry January 4, 2011 This stamp depicts a 3D model of ribosome, macromolecular complex composed of RNA (67%) and protein (33%).  |
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Bedrock Of The Community
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Israel International Year of Crystallography December 3, 2013 The design shows scanning electronic microscope image of an aluminum-manganese alloy. The background shows electron diffraction pattern and interpreted molecular model of a quasicrystal, a structure that is ordered but not periodic.  |
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Bedrock Of The Community
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Republic of China (Taiwan) 18th Asian International Stamp Exhibition August 24, 2005 One stamp in Taiwan Technology minisheet depicts 3D DNA double helix model.  |
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| Edited by KuoLC5310 - 08/11/2022 12:55 am |
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Bedrock Of The Community
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26572 Posts |
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Venezuela Venezuelan Institute for Scientific Research December 14, 2007 Set of ten, one stamp shows a model of the molecular structure of myosin, a fibrous protein that enables muscle contraction and is also involved in motion in other types of cells.  |
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Bedrock Of The Community
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Mexico 30 Years of Protection of the Ozone Layer November 10, 2017 The design includes a 3D model of ozone (trioxygen) molecule.  |
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This United States 1976 Chemistry FDC (Artmaster) shows a 3D model of normal butane.  |
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| Edited by KuoLC5310 - 10/18/2022 12:06 pm |
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Bedrock Of The Community
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Algeria International Year of the Periodic Table January 2, 2019 This FDC shows ball-and-stick model of a sucrose (sugar) molecule.  |
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This Great Britain 1977 Royal Institute of Chemistry Centenary FDC shows a schematic 2D model of an acetic acid molecule.  |
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Latvia 150th Anniversary of the Birth of Paul Walden May 14, 2013 The souvenir sheet shows the ball-and-stick model of stereoisomers L-Malic acid and D-Malic acid. Paul Walden (1863-1957) was a Latvian chemist known for his work in stereochemical reactions and synthesis of ionic liquid.  |
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This USSR 1968 Kurnakov Institute of Chemistry stamp shows 2D ball model of the octachlorodirhenate (III) anion with a quadruple Rhenium-Rhenium bond.  |
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DDR (Germany) Day of Chemical Workers November 10, 1960 Set of four, one stamp depicts a scientist and a schematic ball-and-stick model of phthalic anhydride, a chemical intermediate to phthalates plasticizers used in the plastics industry.  |
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Isle of Man 150th Anniversary of King William's College May 18, 1983 Set of four, one stamp depicts English chemist William Bragg with a diffractometer and a 3D model of sodium chloride (salt) crystal.  |
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Replies: 86 / Views: 40,920 |
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Posted 09/25/2020 3:30 pm
