I have two questions:

1. After transfer, the marker confirmed that the transfer had proceeded well. However, I would like to know why only one protein band appears in the high kDa region when ponceau S staining is performed.

2. I would like to know why the protein band I want to check cannot be identified during detection and why chemiluminescence occurs at the bottom of the marker. (This is a case where a problem occurred that did not exist before.)

Condition :

running 110V 110min

transfer 230mA 90min

membrane : NC membrane 0.2um

blocking : 5% skim milk RT 2hr

primary antibody : V5-tag (Rb) 1:1000 5% skim milk

secondary antibody : Rabbit-IgG 1:4000 5% skim milk

Detection :

using

SuperSignal™ ELISA Pico Chemiluminescent Substrate (Not detected)

SuperSignal™ West Femto Maximum Sensitivity Substrate (Not detected)

Fusion fx vilber lourmat (western blot and chemiluminescence imaging system)

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