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GS-800 Imaging Densitometer Choosing Your Own Settings If you know the filter and light source settings you want, or want to experiment with different settings, you can choose them yourself. Fig. 7-4. GS-800 Custom Application controls. Next to Filter, click on either the Red, Green, Blue, or White checkbox, or a combination of two of the first three (Red-Green, Green-Blue, Red-Blue). Filter Color Wavelength Application Examples Red 595–750 nm Coomassie G-250, BCIP/NBT, Fast Green FCF, Methylene Blue Green 520–570 nm Coomassie R-250, Basic Fuchsin Blue 400–530 nm Crocein Scarlet Gray Scale 400–750 nm Silver Stains, Copper Stains, Film Fig. 7-5. Examples of filter colors and applications. Next to Light, select the appropriate light source. • Select Reflective for scanning opaque mediums such as dried gels on filter paper, arrays, or photographs. The scanning dimensions in this mode are 30 cm x 40 cm. • Select Transmissive for scanning transparent mediums such as films, gels, or slides. The scanning dimensions in this mode are 29 cm x 40 cm. 105
