Use of Two Technologies, Singulex Single Molecule Counting (SMC)TMand Meso Scale Discovery&[reg](MSD) Technology for Drug Levels Determination of an Antibody Therapeutic, MK-A, in Human Serum in a Dose Escalation Study

Author(s):  
Phyllis Conliffe
2007 ◽  
Vol 43 (1) ◽  
pp. 42-52 ◽  
Author(s):  
M. Wade Calcutt ◽  
Wooin Lee ◽  
Igor Puzanov ◽  
Mace L. Rothenberg ◽  
David L. Hachey

Chirality ◽  
1998 ◽  
Vol 10 (6) ◽  
pp. 507-512 ◽  
Author(s):  
Pilar Gort�zar ◽  
Alfredo Ro�n ◽  
Jes�s T. V�zquez

Author(s):  
L Jack ◽  
C Cunningham ◽  
I D Watson ◽  
M J Stewart

Free phenytoin has been determined using micro-scale ultracentrifugation followed by analysis by EMIT. The effect of temperature on the determined free fraction was investigated and the ultracentrifugation procedure validated against ultrafiltration. Ultracentrifugation gave free fractions which were on average 16% lower than those obtained using ultrafiltration, but correlation was good, as was the correlation with measurements of total phenytoin ( r=0·90). Micro-scale ultracentrifugation is a simple procedure which can be of great utility in the measurement and investigation of free drug levels.


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