https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/4225727Edit ImageSaveSaveEditCropCustom TextMeasuring the quality, purity, and concentration of the extracted DNA with a spectrophotometer to be used for qPCR (real-time polymerase chain reaction) testing by Jacob W. Frank. Original public domain image from FlickrMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGBanner JPEG 1200 x 800 px | 300 dpiLarge JPEG 3500 x 2333 px | 300 dpiBest Quality JPEG 7629 x 5086 px | 300 dpiFree DownloadMeasuring the quality, purity, and concentration of the extracted DNA with a spectrophotometer to be used for qPCR (real-time polymerase chain reaction) testing by Jacob W. Frank. Original public domain image from FlickrMore