Find a laboratory buffer

Search source-defined formulations by name, published preset pH, or category.

31 buffers found

01 · GeneralCore buffer systems

Tris-HCl Stock Buffer

Five source-reviewed 1 M Tris-HCl preparations, including an independently sourced pH 8.8 preset.

Preset pH: 6.8, 7.4, 7.5, 8.0, 8.8
02 · GeneralCore buffer systems

HEPES Stock Buffer

A 1 M HEPES free-acid stock at pH 7.4.

Preset pH: 7.4
03 · GeneralCore buffer systems

MES Stock Buffer

Free-acid MES stock formulations at two source-defined target pH values.

Preset pH: 5.5, 6.5
04 · GeneralCore buffer systems

MOPS Stock Buffer

Two source-defined MOPS stock formulations with explicit titrants.

Preset pH: 7.0, 7.2
05 · GeneralCore buffer systems

PIPES Stock Buffer

A 0.5 M PIPES-NaOH stock at pH 6.8.

Preset pH: 6.8
06 · SpecializedCore buffer systems

Tricine Stock Buffer

A 0.1 M Tricine pH 8.0 preparation with a transparent PubChem mass derivation.

Preset pH: 8.0
07 · SpecializedCore buffer systems

Bicine Stock Buffer

Separate 1 M Bicine preparations at pH 8.0 and pH 8.5.

Preset pH: 8.0, 8.5
08 · GeneralCore buffer systems

Sodium Phosphate Buffer

Six practical 0.1 M phosphate presets made from defined 1 M stocks.

Preset pH: 6.0, 6.8, 7.0, 7.2, 7.4, 8.0
09 · GeneralCore buffer systems

Sodium Acetate Buffer

A fixed 0.1 M acetate preparation at pH 5.0 made from defined 0.2 M stocks.

Preset pH: 5.0
10 · GeneralMolecular biology

PBS

1X and form-specific 10X PBS formulations at pH 7.4.

Preset pH: 7.4
11 · GeneralMolecular biology

DPBS

DPBS without calcium or magnesium at pH 7.2.

Preset pH: 7.2
12 · GeneralMolecular biology

PBST

1X PBS with fixed 0.05% or 0.10% Tween 20.

Preset pH: 7.4
13 · GeneralMolecular biology

TBS

Source-specific 1X and 10X TBS formulations at pH 7.4 or pH 7.6.

Preset pH: 7.4, 7.6
14 · GeneralMolecular biology

TBST

Two fixed Tris-saline/Tween formulations with separate pH labels.

Preset pH: 7.4, 7.6
15 · GeneralMolecular biology

TE Buffer

Standard and low-EDTA TE made from explicitly defined stocks.

Preset pH: 8.0
16 · GeneralMolecular biology

50X TAE Buffer

A source-defined 50X TAE electrophoresis stock.

Working pH: 8.0 at 1X
17 · GeneralMolecular biology

10X TBE Buffer

A source-defined 10X TBE electrophoresis stock.

Working pH: 8.3 at 1X
18 · GeneralMolecular biology

SSC Buffer

A 20X saline-sodium citrate stock prepared with trisodium citrate dihydrate and adjusted to pH 7.0.

Preset pH: 7.0
20 · SpecializedProtein electrophoresis

Tris-Glycine-SDS Running Buffer

A fixed 10X SDS running buffer with an expected pH of approximately 8.3.

Expected pH: 8.3
22 · SpecializedProtein electrophoresis

Towbin Transfer Buffer

A fixed transfer-buffer formulation with 20% methanol.

Expected pH: 8.3
23 · SpecializedProtein electrophoresis

CAPS Transfer Buffer

A fixed CAPS/methanol transfer buffer at pH 11.0.

Preset pH: 11.0
24 · SpecializedAssay & imaging

HEPES-Buffered Saline

10 mM HEPES and 150 mM sodium chloride at pH 7.4.

Preset pH: 7.4
29 · GeneralPurification & lysis

RIPA Buffer

A source-defined stock-based RIPA formulation at pH 8.0.

Preset pH: 8.0
31 · SpecializedPurification & lysis

Ammonium Bicarbonate Buffer

Fresh 50 mM and 100 mM ammonium bicarbonate preparations.

Expected pH: 7.8