Effects of Sample Preparation and Storage on Urine Albumin Determination

Townsend JC . Specimen preparation for microalbuminuria assay. Clin Chem 1986; 32: 559.

Townsend JC . Effect of storage temperature on the precipitation of albumin from urine. Clin Chem 1986; 32: 1986–7.

Townsend JC Blair PJ Forrest ARW . Effect of storage pH on precipitation of albumin from urine of diabetics. Clin Chem 1988; 34: 1355–6.

Townsend JC Sadler WA Shanks GM . The effect of storage pH on the precipitation of proteins in deep frozen urine samples. Ann Clin Biochem 1987; 24: 111–2.

Erman A Rabinov M Rosenfeld J. Albumin determination in frozen urines—underestimated results. Clin Chim Acta 1988; 174: 255–62.

Silver AC Dawnay A Landon J. Specimen preparation for assay of albumin in urine. Clin Chem 1987; 33: 199–200.

Elving LD Bakkeren JAJM Jansen MJH De Kat Angelino CM De Nobel E Van Munster PJJ . Screening for microalbuminuria in patients with diabetes mellitus: Frozen storage of urine samples decreases their albumin content. Clin Chem 1989; 35: 308–10.

Silver A Dawnay A Landon J Cattell WR . Immunoassays for low concentrations of albumin in urine. Clin Chem 1986; 32: 1303–6.