Micro-spin column (no filter) for low concentration and low volume protein/peptide samples
C18 • C08 • C04 • Carbon • HILIC • Silica/Poros SAX • Silica/Poros WAX • Silica/Poros SCX • Silica WCX
Protein/Peptide Enrichment TopTip micro-spin column enables separation of low-concentration/volume samples.
The fine 1-2 µm slit at the bottom of the TopTip permits liquid to pass through (via centrifuge or syringe), but retains media in the tip. This unique design eliminates the need for a filter – reducing dead volume, loss of sample and contamination risk.
Learn more about TopTip technology.
TopTip technology has powered research resulting in many publications: Explore literature featuring TopTip.
Media selection
Protein/Peptide Desalting TopTips are available with a wide selection of chomatographic media:
Media | Use for |
C18 | Hydrophobic (Highest) |
C08 | Hydrophobic (High) |
C04 | Hydrophobic |
Carbon (Graphite) | Both hydrophobic and -philic |
HILIC | Hydrophilic |
POROS SCX | Strongly basic |
Silica WCX, SCX | Basic |
Silica WAX, SAX | Acidic |
POROS WAX, SAX | Strongly acidic |
Specifications
Sold in packs of 96, except for TT3, which are sold in packs of 20.
Volume (ul) | Binding capacity | Media amount | |
TT1 | 1-10 | 400 µg | 4 mg |
TT2 | 10-200 | 1000 µg | 10 mg |
TT3 | 100-1000 | 5000 µg | 50 mg |
Selected references
Ordering information
Part No. | Price ($) | Specs | |
TT1C18 | 145 | Size: TopTip (1-10 ul) | Media: C-18 |
TT1C08 | 145 | Size: TopTip (1-10 ul) | Media: C-08 |
TT1C04 | 145 | Size: TopTip (1-10 ul) | Media: C-04 |
TT1CAR | 243 | Size: TopTip (1-10 ul) | Media: Carbon (Graphite) |
TT1HIL | 206 | Size: TopTip (1-10 ul) | Media: HILIC |
TT1PSC | 243 | Size: TopTip (1-10 ul) | Media: POROS strong cation exchanger |
TT1PWA | 243 | Size: TopTip (1-10 ul) | Media: POROS weak anion exchanger |
TT1PSA | 243 | Size: TopTip (1-10 ul) | Media: POROS strong anion exchanger |
TT1SSA | 206 | Size: TopTip (1-10 ul) | Media: PolySULFOETHYL A (silica SCX) |
TT1CAT | 206 | Size: TopTip (1-10 ul) | Media: PolyCAT A (silica WCX) |
TT1SAX | 206 | Size: TopTip (1-10 ul) | Media: SilIca strong Anion (SAX) |
TT1WAX | 206 | Size: TopTip (1-10 ul) | Media: PolyWAX LP (silica weak anion) |
TT2C18 | 175 | Size: TopTip (10-200 ul) | Media: C-18 |
TT2C08 | 175 | Size: TopTip (10-200 ul) | Media: C-08 |
TT2C04 | 175 | Size: TopTip (10-200 ul) | Media: C-04 |
TT2CAR | 331 | Size: TopTip (10-200 ul) | Media: Carbon (Graphite) |
TT2HIL | 281 | Size: TopTip (10-200 ul) | Media: HILIC |
TT2PSC | 331 | Size: TopTip (10-200 ul) | Media: POROS strong cation exchanger |
TT2PWA | 331 | Size: TopTip (10-200 ul) | Media: POROS weak anion exchanger |
TT2PSA | 331 | Size: TopTip (10-200 ul) | Media: POROS strong anion exchanger |
TT2SSA | 281 | Size: TopTip (10-200 ul) | Media: PolySULFOETHYL A (silica SCX) |
TT2CAT | 281 | Size: TopTip (10-200 ul) | Media: PolyCAT A (silica WCX) |
TT2SAX | 281 | Size: TopTip (10-200 ul) | Media: SilIca strong Anion (SAX) |
TT2WAX | 281 | Size: TopTip (10-200 ul) | Media: PolyWAX LP (silica weak anion) |
TT3C18 | 95 | Size: TopTip (100-1000 ul) | Media: C-18 |
TT3C08 | 95 | Size: TopTip (100-1000 ul) | Media: C-08 |
TT3C04 | 95 | Size: TopTip (100-1000 ul) | Media: C-04 |
TT3CAR | 206 | Size: TopTip (100-1000 ul) | Media: Carbon (Graphite) |
TT3HIL | 156 | Size: TopTip (100-1000 ul) | Media: HILIC |
TT3PSC | 206 | Size: TopTip (100-1000 ul) | Media: POROS strong cation exchanger |
TT3PWA | 206 | Size: TopTip (100-1000 ul) | Media: POROS weak anion exchanger |
TT3PSA | 206 | Size: TopTip (100-1000 ul) | Media: POROS strong anion exchanger |
TT3SSA | 156 | Size: TopTip (100-1000 ul) | Media: PolySULFOETHYL A (silica SCX) |
TT3CAT | 156 | Size: TopTip (100-1000 ul) | Media: PolyCAT A (silica WCX) |
TT3SAX | 156 | Size: TopTip (100-1000 ul) | Media: SilIca strong Anion (SAX) |
TT3WAX | 156 | Size: TopTip (100-1000 ul) | Media: PolyWAX LP (silica weak anion) |