FAQ
Protran and Protran Premium are both unsupported nitrocellulose membranes and can be used for both chemiluminescence and fluorescence detection. Protran Premium is recommended for fluorescence detection systems.
Protran Premium offers a higher protein binding capacity, as shown in the table.
0.45 µm pore size | 0.2 µm pore size | |
---|---|---|
Protran | 115–125 µg/cm2 | 150–176 µg/cm2 |
Protran Premium | 162–180 µg/cm2 | 173–203 µg/cm2 |
Protran Premium also provides lower background and higher sensitivity and resolution.
Protran and Protran Premium are based on different base nitrocellulose materials.
The Whatman and Amersham products have been combined to offer a single simpler range. The new product names are provided in the table.
Membrane type | Previous name | New name |
---|---|---|
Nitrocellulose | Whatman Protran BA85 | Amersham Protran NC 0.45 |
Whatman Protran BA83 | Amersham Protran NC 0.2 | |
Whatman Protran BA79 | Amersham Protran NC 0.1 | |
Amersham Hybond ECL 0.45 µm | Amersham Protran Premium NC 0.45 | |
Amersham Hybond ECL 0.2 µm | Amersham Protran Premium NC 0.2 | |
Whatman Optitran BAS85 | Amersham Protran Supported NC 0.45 | |
Whatman Optitran BAS83 | Amersham Protran Supported NC 0.2 | |
PVDF | Amersham Hybond P | Amersham Hybond PVDF 0.45 |
None | Amersham Hybond PVDF 0.2 | |
Amersham Hybond LFP | Amersham Hybond LFP PVDF 0.2 | |
Whatman Westran S | Amersham Hybond SEQ PVDF 0.2 |