Buffers, Accessories, & Background Reducers
Fixation Buffer
Ready-to-use formaldehyde-based fixation buffer for immunofluorescence staining for microscopy or flow cytometry.
Mini Cell Scrapers
Small polyethylene cell scrapers for harvesting cells or cell lysates from 96-, 48- and 24-well plates.
Mini Glass Tubes
An alternative to plastic microcentrifuge tubes for up to 200 uL sample volumes.
Mini Syringe Filters and Mini Syringe Filtration Kit
22025, - 22026View allHide
These sterile 0.22 um filters are useful for filtering 100 uL to 1 mL of aqueous solutions with only 10 uL hold-up volume.
Permeabilization and Blocking Buffer (5X)
A concentrated 5X buffer solution for one step permeabilization and blocking for immunofluorescence staining for fluorescence microscopy.
Permeabilization Buffer
Ready-to-use permeabilization buffer for intracellular immunofluorescence staining for microscopy or flow cytometry.
SuperHT PAP Pen 2.0
23023, - 23024View allHide
Pens to draw a water repellent circle around slide mounted tissue to minimize the use of valuable reagents by keeping the liquid pooled in a single droplet. Available in a regular (4 mm tip) and mini (2.5 mm tip) sizes.
Tween® 20
A polysorbate surfactant commonly used as a blocking and washing agent in Western blotting and other immunostaining assays.
Ultrafiltration Vials
22004, - 22018View allHide
Ultrafiltration devices for simple spin-column purification of proteins or other molecules by size separation with two molecular weight cut-off options: MWCO=10 kD (10K) and MWCO=3 kD (3K).
Water, Ultrapure Molecular Biology Grade
Suitable for use in molecular biology applications that require high quality, ultra-pure water.
4X Protein Loading Buffer with Orange Tracking Dye
A convenient 4X sample loading buffer for protein gel electrophoresis. The loading buffer is optimized for use with denaturing SDS-PAGE.
AntiFix™ Universal Antigen Retrieval Buffer, 10X
22030-50mL, - 22030-500mLView allHide
AntiFix™ Universal Antigen Retrieval Buffer provides excellent heat unmasking for a wide variety of targets at neutral pH, reducing the need for buffer optimization.
EverBrite TrueBlack® Hardset Mounting Medium
23017-T, 23017, 23018-T, 23018, 23019-T, - 23019View allHide
Unique hardset antifade that quenches lipofuscin autofluorescence. Choose with mounting medium with DAPI, far-red NucSpot® 640, or without nuclear stain.
EverBrite™ Hardset Mounting Medium with NucSpot® 640
23016-T, - 23016View allHide
Biotium’s hardset antifade mounting medium with NucSpot® 640 far-red nuclear counterstain.
Ready-to-Use Tyramide Amplification Buffer, 1X
22027-25mL, - 22027-100mLView allHide
For simple, optimized tyramide amplification of immunostaining in cells or tissue sections. No need to add hydrogen peroxide before use.
TrueBlack® Plus Lipofuscin Autofluorescence Quencher, 40X in DMSO
23014, - 23014-TView allHide
Quench lipofuscin autofluorescence in PBS, with minimal background.