Albumin concentration is underestimated in frozen urine

Annals of Clinical Biochemistry

Volumn 35, Issue 3, 1998, Pages 434-435

  Gomes, Marilia B ^a,b   Dimetz, Trude ^a   Luchetti, Marcelo Ruiz ^a   Gonçalves, Maria Fatima ^a   Gazzola, Helena ^a   Matos, Haroldo ^a  

^a STATE UNIVERSITY OF RIO DE JANEIRO   (Brazil)

^b NONE   (Brazil)

Author keywords

[No Author keywords available]

Indexed keywords

ALBUMIN;

ARTICLE; CONTROLLED STUDY; FREEZING; HUMAN; MAJOR CLINICAL STUDY; PRIORITY JOURNAL; STORAGE; TEMPERATURE SENSITIVITY; URINALYSIS; URINE LEVEL;

EID: 0031799455     PISSN: 00045632     EISSN: None     Source Type: Journal    
DOI: 10.1177/000456329803500316     Document Type: Article

References (6)

1. Elving LD, Bakkeren JAJM, Jansen MJH, Angelino CM, Nobel E, Munster PJJ. Screening for micro-albuminuria in patients with diabetes mellitus: frozen storage of urine samples decreases their albumin content. Clin Chem 1989; 35: 308-10
2. Shield JPH, Hunt LP, Morgan JE, Penmock CA. Are frozen urine samples acceptable for estimating albumin excretion in research? Diabetic Med 1995; 12: 713-6
3. Osberg I, Chase HP, Garg SK, DeAndrea A, Harris S, Hamilton R. Effects of storage time and temperature on measurement of small concentrations of albumin in urine. Clin Chem 1990; 36: 1428-30
4. Collins ACG, Sethi M, MacDonald FA, Brown D, Viberti GC. Storage temperature in the measurement of urinary albumin. Diabetologia 1993; 36: 993-7
5. Giampietro O, Penno G, Clerico A, Cruschelli L, Cecere M. How and how long to store urine samples before albumin radioimmunoasay: a practical response. Clin Chem 1993; 39, 533-6
6. Microalbuminuria Collaborative Study Group. Risk factors for development of microalbuminuria in insulin-dependent diabetic patients: a cohort study. BMJ 1993; 306: 1235-9