Abstract:
A HERMATOLOGY CONTROL STANDARD FOR THE CALIBRATION OF BLOOD CELL COUNTING APPARATUS AND A METHOD FOR THE PREPARATION THEREOF BY ADMIXING PREDETERMINED AMOUNTS OF WASHED RED BLOOD CELLS AND SYNTHETIC LATEX PARTICLES HAVING A 5 TO 15 MICRON PARTICLE SIZE RANGE IN A FLUID SUSPENSION OF A KNOWN AMOUNT OF SERUM ALBUMIN.
Abstract:
A blood control standard is prepared from anticoagulant stored blood plasma containing elevated levels of dextrose by aerobic fermentation with yeast in the late log phase or in the stationery phase of the yeast growth to selectively destroy dextrose without adversely affecting the protein constituents of said blood plasma.
Abstract:
A CALIBRATING FLUID FOR AUTOMATED INSTRUMENTS FOR BLOOD CELL COUNTING AND HEMOGLOBIN DETERMINATION COMPRISING AN ADMIXTURE OF NIGROSIN DYE AND A CARBON BLACK DISPERSION IN DILUTE AQUEOUS SOLUTION WHICH EXHIBITS ABSORBANCE LINEARITY IN THE VISIBLE AND ULTRAVIOLET RANGE HAVING SUSPENDED THEREIN SYNTHETIC LATEX PARTICLES WITH A 5 TO 15 MICRON PARTICLE SIZE RANGE.
Abstract:
A LIQUID CONTROL STANDARD FOR USE IN THE ANALYSIS OF BLOOD SERUM, WHICH STANDARD IS PREPARED FROM ANTICOAGULANTSTORED BLOOD PLASMA BY TREATING THE DEBFIBRINATED PLASMA WITH ION EXCHANGE RESIN TO REDUCE THE ALKALI AND ALKALINEEARTH METAL CATION LEVEL FOLLOWED BY DRYING, REMOVING THE LIPOPROTEIN COMPONENT BY EXTRACTION WITH A FAT SOLVENT AND THEN RECONSTITUTING THE PRODUCT WITH WATER.