Sentence examples for by optical density using from inspiring English sources

RNA quantity and integrity were assessed by optical density using a Nanodrop-1000 spectrophotometer (NanoDrop Products, Wilmington, USA).

Bacterial concentrations were estimated by optical density, using an OD450 of 0.2 as indicating a concentration of 2×10e9 CFU/ml (Fn and Fn ATT) or 2×10e8 CFU/ml (Pa).

Growth of C. bescii strains on maltose and cellobiose were measured by optical density using a Jenway Genova spectrophotometer at 680 nm.

We added sulfuric acid as a stop solution and determined the amount of NGF by optical density using a microplate reader set at 450 nm (VMax microplate reader; Molecular Devices, Sunnyvale, CA, USA).

Densitometry was performed by analyzing optical density using Gel Pro Analyzer.

Quantification of the reactions was determined by the optical density using an automated ELISA reader (Biorad-680 Microplate reader, USA) at 450 nm.

Reactions were assessed by measuring the optical density using an automated ELISA reader at 450 nm according to (SunRed Shanghai, 2015).

The results were quantified by sum integral optical density using Image-Pro Plus analysis software.

The amount of proteins was determined by reading the optical density using a Victor 3 microplate reader (Perkin Elmer, MA, USA) at 450 nm.

Photographs were taken centered within each optic nerve cross section by a blinded investigator using a standard exposure, and staining was quantified by calculating the optical density using Image J software (nih.gov).

The reason for this difference is that adding cells suspended in 50 µl directly to a like volume caused unacceptable froth, bubbles and background turbidity that is incompatible with the VCC method of measuring growth kinetics by an increase in optical density using a 96-well plate in a plate reader.