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6. Apparent loss of urinary albumin during long-term frozen storage: HPLC vs immunonephelometry. Brinkman JW, de Zeeuw D, Lambers Heerspink HJ, Gansevoort RT, Kema IP, de Jong PE, Bakker SJ. Clin Chem; 2007 Aug; 53(8):1520-6. PubMed ID: 17573417 [Abstract] [Full Text] [Related]
7. Effects of storage time and temperature on measurement of small concentrations of albumin in urine. Osberg I, Chase HP, Garg SK, DeAndrea A, Harris S, Hamilton R, Marshall G. Clin Chem; 1990 Aug; 36(8 Pt 1):1428-30. PubMed ID: 2387037 [Abstract] [Full Text] [Related]
8. The reliability of urinary albumin assay by immunonephelometry in the clinical practice. The critical role of medical surveillance on laboratory routine. Vangelisti S, Parravicini R, Masi I, Bertoni C, Matteucci E, Giampietro O. Acta Diabetol; 1997 Mar; 34(1):22-6. PubMed ID: 9134053 [Abstract] [Full Text] [Related]
9. How and how long to store urine samples before albumin radioimmunoassay: a practical response. Giampietro O, Penno G, Clerico A, Cruschelli L, Cecere M. Clin Chem; 1993 Mar; 39(3):533-6. PubMed ID: 8448872 [Abstract] [Full Text] [Related]
11. Storage at -80 degrees C decreases the concentration of HPLC-detected urinary albumin: possible mechanisms and implications. Markó L, Cseh J, Kószegi T, Szabó Z, Molnár GA, Mohás M, Szigeti N, Wittmann I. J Nephrol; 2009 Mar; 22(3):397-402. PubMed ID: 19557717 [Abstract] [Full Text] [Related]
12. Are frozen urine samples acceptable for estimating albumin excretion in research? Shield JP, Hunt LP, Morgan JE, Pennock CA. Diabet Med; 1995 Aug; 12(8):713-6. PubMed ID: 7587012 [Abstract] [Full Text] [Related]
14. Albumin determination in frozen urines--underestimated results. Erman A, Rabinov M, Rosenfeld J. Clin Chim Acta; 1988 Jun 15; 174(3):255-61. PubMed ID: 3390955 [Abstract] [Full Text] [Related]
15. Decreases in albumin/creatinine and N-acetylglucosaminidase/creatinine ratios in urine samples stored at -20 degrees C. Manley SE, Burton ME, Fisher KE, Cull CA, Turner RC. Clin Chem; 1992 Nov 15; 38(11):2294-9. PubMed ID: 1424127 [Abstract] [Full Text] [Related]
18. Effect of repeated freeze-thaw cycles on urinary albumin-to-creatinine ratio. Bao Y, Zuo L. Scand J Clin Lab Invest; 2009 Nov 15; 69(8):886-8. PubMed ID: 19929272 [Abstract] [Full Text] [Related]