| Centrifugal Filter |
Attributes |
Values |
| Nanosep® Centrifugal Filters |
Materials of construction |
Sample Reservoir, Membrane Support Base and Filtrate Receiver: Polypropylene Filter Media: Omega (modified polyethersulfone) ultrafiltration membrane Nanosep MF Devices Sample Reservoir, Membrane Support Base and Filtrate Receiver: Polypropylene Filter Media: wwPTFE (hydrophilic Polytetrafluoroethylene) and Bio-Inert (modified nylon) membranes |
| Effective filtration area |
0.28 cm² |
| Dimensions |
Length (full assembly with cap): 4.5 cm (1.8 in.) |
| Operating temperature range |
0 – 40 °C (32 – 104 °F) |
| Capacities |
Maximum Sample Volume: 500 μL Final Concentrate Volume: 15 μL Filtrate Receiver Volume: 500 μL Hold-up Volume (membrane/support): < 5 μL |
| pH range |
1 – 14 |
| Maximum centrifugal force |
14,000 x g |
| Centrifuge |
Fits centrifuges that accept 1.5 mL tubes |
| Sanitization |
Non-sterile. May be sanitized by filtering 70% ethanol through the device before use. |
| Microsep™ Centrifugal Filters |
Materials of construction |
Sample Reservoir, Membrane Support Base and Filtrate Receiver: Polypropylene Filter Media: Supor (polyethersulfone) and Omega (modified polyethersulfone) membranes Paddle: Polyethylene |
| Effective filtration area |
3.3 cm² |
| Dimensions |
Length: 12.0 cm (4.9 in.) Diameter: 17 mm (0.7 in.) |
| Operating temperature range |
0 – 40 °C (32 – 104 °F) |
| Capacities |
Maximum Sample Volume: 5.0 mL Final Concentrate Volume: 65 μL (swinging bucket) 100 μL (35o angle rotor) 80 μL (45o angle rotor) Filtrate Receiver Volume: 6.5 mL Hold-up Volume: 40 μL (membrane and paddle) |
| pH range |
1 – 14 |
| Maximum centrifugal force |
7,500 x g (for ultrafiltration) |
| Centrifuge |
Fits rotors that work with standard 15 mL conical tubes and are capable of 3,000 to 14,000 x g |
| Sanitization |
Non-sterile. May be sanitized by filtering 70% ethanol through the device before use. |
| Macrosep® Centrifugal Filters |
Materials of construction |
Sample Reservoir, Membrane Support Base and Filtrate Receiver: Polypropylene Filter Media: Supor (polyethersulfone) and Omega (modified polyethersulfone) membranes Paddle: Polyethylene |
| Effective filtration area |
7.2 cm² |
| Dimensions |
Length: 12.0 cm (4.7 in.) Diameter: 50 mm (1.9 in.) |
| Operating temperature range |
0 – 40 °C (32 – 104 °F) |
| Capacities |
Maximum Sample Volume: 20 mL Final Concentrate Volume: As low as 450 μL, depending on rotor used Filtrate Receiver Volume: 22 mL Hold-up Volume: 80 μL (membrane and paddle) |
| pH range |
1 – 14 |
| Maximum centrifugal force |
5,000 x g (for ultrafiltration) |
| Centrifuge |
Fits rotors that accept standard 50 mL conical end tubes |
| Sanitization |
Non-sterile. May be sanitized by filtering 70% ethanol through the device before use. |
| Jumbosep™ Centrifugal Filters |
Materials of construction |
Sample Reservoir and Filtrate Receiver: Polysulfone Sample Reservoir Cap: Polyethylene Filter Media: Omega (modified polyethersulfone) membrane Insert Without Membrane: High-density polyethylene Filtrate Receiver Cap and Insert Release: Polypropylene |
| Effective filtration area |
15.2 cm² |
| Dimensions |
Maximum Outside Diameter: 6 cm (2.4 in.) Height (Full Assembly with Cap): 11.3 cm (4.5 in.) |
| Operating temperature range |
0 – 40 °C (32 – 104 °F) |
| Capacities |
Maximum Sample Volume: 60 mL Final Concentrate Volume: 3.5 – 4 mL Filtrate Receiver Volume (Maximum): 60 mL Hold-up Volume: 0.2 mL (membrane/support) |
| pH range |
1 – 14 |
| Maximum centrifugal force |
3,000 x g |
| Centrifuge |
Fits swinging bucket rotors that accept flat-bottomed 250 mL bottles and are capable of 1,000 to 3,000 x g |
| Sanitization |
Non-sterile. May be sanitized by filtering 70% ethanol through the device before use. The filtrate receiver and sample reservoir can be autoclaved. Do not autoclave the filter media. |
