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Table 1 Description of Anti-PD-L1 Antibodies and Assay Conditions Examined

From: Quantitative and qualitative characterization of Two PD-L1 clones: SP263 and E1L3N

Clone

Vendor

Species

Working Concentration

Instrument

Detection

Cell Conditioning

Diluent

Primary Antibody Time/Temp

Hematoxylin/Bluing

SP263

Spring

Rabbit

1.25 μg/mL

Benchmark Ultra

OptiView

64' CC1

0.05 M Tris-HCI with 1 % carrier protein, and 0.10 % ProClin 300, a preservative

16'/36 °C

4'/4'

E1L3N

CST

Rabbit

17.50 μg/mL

Benchmark Ultra

OptiView

64' CC1

0.05 M Tris buffered saline, 0.01 M EDTA, 0.05 % Brij-35 with 0.3 % carrier protein and 0.05 % sodium azide, a preservative

16'/36 °C

4'/4'