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Yield and Purity of Spin Columns

Details
Sample      Column Conc.,ng/μL m,μg A260/A280 A260/A230
Customer A Buffer NP30-A 93 9.3 1.8 2
95 9.5 1.9 2.1
90 9 1.8 2
Customer A Buffer Qiagen Miniprep 
column
 
83 8.3 1.8 2
88 8.8 1.8 2.1
90 9 1.8 2
QIAprep Spin Miniprep Kit
Qiagen, Cat. No 27104
NP30-A 100 10 1.8 2
106 10.6 1.9 2
104 10.4 1.9 2.1
QIAprep Spin Miniprep Kit
Qiagen, Cat. No 27104
Qiagen Miniprep 
column
 
102 10.2 1.9 2
101 10.1 1.8 2
102 10.2 1.9 2

Results: The performance of NP30-A is equivalent to Qiagen spin columns with both customer and Qiagen buffer.
 

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