detection of urinary polyamine by a new enzymatic differential assay ii comparison with conventional method a new method of determining urinary polyamine concentration was compared with other techniques namely high pressure liquid chromatography hplc and a polyamine testenzyme kit the values obtained by the new method hplc and polyamine testenzyme kit correlated well for all the fractions diamine spermidine and spermine the correlation between the new method and the polyamine testenzyme kit gave r 09702 y 11359x 51266 n 48 recruitment and retention of gi nurses hiring firing and surviving nursing turnover is costly for gi units both financially and emotionally the emphasis at duke university medical center is changing from recruitment of gi nurses to searching for methods of retaining staff and building team morale recruitment and retention survey results are discussed in this article and retention strategies presented