3Baxter RL,Baxter HC,Campbell GA,et al.Quantitative anal-ysis of residual protein contamination on reprocessed surgicalinstruments[J].J Hosp Infect,2006,63(4):439-444.
4Friedman M.Applications of the ninhydrin reaction for analy-sis of amino acids,peptides,and proteins to agricultural and-biomedical sciences[J].J Agric Food Chem,2004,52(3):385-406.
5Lipscomb IP,Pinchin HE,Collin R,et al.The sensitivity ofapproved Ninhydrin and Biuret tests in the assessment of pro-tein contamination on surgical steel as an aid to prevent iatro-genic prion transmission[J].J Hosp Infect,2006,64(3):288-292.