File:Lüsosüümi kristallid pv.jpg
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English: Lysozyme crystals observed through polarizing filter in Nikon SMZ800 microscope. Polarizer is a simple solution to distinguish protein crystals from salt crsytals due to their optical differences, saving time and money measuring salt crystal in diffractometer.
Eesti: Lüsosüümi kristallid vaadatuna Nikon SMZ800 mikroskoobist läbi lineaarselt polariseeriva filtri. Polariseeriv filter aitab kristallimise teaduses lihtsa võimaluse eristada valgu kristalli soolakristallist, kuna valgu kristall on valguse suhtes enamikel juhtudel anisotroopne, soolakristallid tihti mitte. Soolakristalli mõõtmine difraktomeetri või sünkrotroniga oleks aga aja ja ressursside kulu. Lüsosüüm on levinud ensüüm (esineb näteks süljes ja munavalges) ning selle eraldamise lihtsus oli üks põhjusi, miks lüsosüüm oli esimene ensüüm, mille struktuur röntgenkiirguse difraktsioonimeetodil lahendati. Võrreldes enamike teiste ensüümide ja valkudega on lüsosüümist lihtne kristalle saada. Antud kristallid on kasvatatud 4 Celsiuse kraadi juures NaCl tingimustes "batch" (partii) meetodil. Pilt on tehtud nutitelefoniga Samsung Galaxy SII (kaamerasilma suurus on sobilik mikroskoobi okulaari avaga) Tromsø Ülikooli Norstruct laboris. |
| Date | |
| Source | Own work |
| Author | Taavi.Ivan |
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This image was uploaded as part of Estonian Science Photo Competition.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 18:19, 17 October 2012 | | 1,831 × 2,244 (2.26 MB) | Taavi.Ivan (talk | contribs) | {{Information |Description ={{en|1=Lysozyme crystals observed through polarizing filter in Nikon SMZ800 microscope. Polarizer is a simple solution to distinguish protein crystals from salt crsytals due to their optical differences, saving time and m... |
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