21. If the results are negative, perform the additional assays regardless. 22. The antibiotic of choice for this assay is the aminoglycoside gentamicin. 23. Another method is through analysis of the glycosyl-glucose assay . 24. Detection by synthetic peptide-based assay and polymerase chain reaction. 25. It is different from the more commonly used DNA footprinting assay . 26. The assay can easily be completed in a number of hours. 27. No biochemical assays directly demonstrating protein function have yet been published. 28. Another class of datasets are higher-dimensional mass cytometry assays . 29. Ligand binding assays are used primarily in pharmacology for various demands. 30. The only building standing besides the furnace was the assay office.