Optical density definition

Optical density or "OD" means a logarithmic expression of the optical attenuation afforded by a material.
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Optical density. (OD) means a logarithmic expression of the optical attenuation afforded by a material. (incident power)
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Examples of Optical density in a sentence

  • Optical density A260/A280 ratios of all samples ranged from 1.8-1.9, indicating high purity.

  • Optical density of each well was determined using a microplate reader set to 450 nm.

  • Optical density plate readings confirmed these visual observations (Figure 4.9).

  • Optical density readings were obtained using microplate reader (Bio-Rad 680 XR) at 595 nm.

  • Optical density (OD600) was measured using a BioTek Cytation3 plate reader at initial and final timepoints, to account for extract color.

  • Optical density was determined at 560 nm in each well in a microplate reader (Softmax, Biorad, Veenendaal, The Netherlands).

  • Optical density of PGG with iron supplementation The visual effect of iron supplementation on PGG was quantified on a Cytation 3 multimode plate reader (Biotek®, Winooski, VT, United States) by optical density (OD590nm) readings.

  • Optical density readings were obtained by a plate reader at 595 nm.