Abstract:
:Measurement of extracellular hemoglobin is useful for assessing the relative success of different blood storage strategies. The test is now also included in routine quality assurance procedures. With the recent trend towards transfusion of concentrated red cells resuspended in "additive" solutions, a safe and efficient method for the estimation of hemoglobin in these units is required. We have developed a method suitable for this purpose, based on the formation of cyanomethemoglobin. Tetramethylbenzidine (TMB) methods were also investigated and shown to detect hemoglobin and hemoglobin derivatives quantitatively when present in packed cell supernatants. A close correlation was recorded between the estimates of supernatant hemoglobin using the 2 techniques with 68 stored red cell concentrates. Because of its simplicity, adequate sensitivity and avoidance of carcinogenic benzidine derivatives, we recommend the cyanomethemoglobin method for routine use in the measurement of supernatant hemoglobin in stored modified red cell concentrates.
journal_name
Pathologyjournal_title
Pathologyauthors
Raftos JE,Stewart IM,Lovric VAdoi
10.3109/00313028609090838subject
Has Abstractpub_date
1986-01-01 00:00:00pages
123-6issue
1eissn
0031-3025issn
1465-3931journal_volume
18pub_type
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