CAPS (0.5 M, pH 10.4) Preparation and Recipe

CAPS is used commonly for Western Blot applications and other protein sorting procedures. The very high pH of this buffer allows for identification and sequencing of peptides and proteins with high isoelectric points (pl or IEP).

To prepare L of CAPS (0.5 M, pH 10.4):
Change the value in the textbox above to scale the recipe volume

Table 1. Required components

Component	Amount	Concentration
CAPS (mw: 221.32 g/mol)	110.66 g	0.5 M

Prepare 800 mL of dH2O in a suitable container.
Add 110.66 g of CAPS to the solution.
Adjust solution to desired pH using 10N NaOH.
Add dH2O until the volume is 1 L.

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Physiological Buffer

pH Buffering

Sample Preparation

BioAssays

Misc

Cell/Culture/Growth Media

Gel Electrophoresis

Name ▲ ▼
Extracellular Saline (1x, pH 7.3)
HBSS (Hank's Balanced Salt Solution)
HEPES Buffer (1 M, 7.5 pH)
HHBS (Hank's Buffer with Hepes)
PBS (Phosphate Buffered Saline) (1X, pH 7.4)
PBS with Ca2+and Mg2+ (D-PBS)
Tyrode's Solution, Acidic

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ACES Buffer (0.1 M, 6.7 pH)
Acetate Buffer (0.1 M, pH 5.0)
Acetate Buffer (pH 3.6 to 5.6)
ADA Buffer (0.5 M, 6.6 pH)
Ammonium Acetate
Ammonium Bicarbonate (50 mM, pH 7.8)
Ammonium Sulfate, Saturated
BES-Buffered Saline (2X) (0.05 M, pH 6.95)
Bicine (1 M, pH 8.26)
Bis-Tris Buffer (1 M, 6.5 pH)
Borate Buffer
CAPS (0.5 M, pH 10.4)
Carbonate-Bicarbonate Buffer (pH 9.2 to 10.6)
CHES (0.5 M, pH 9.5)
Citrate Buffer (0.1 M, pH 6.0)
Citrate Buffer (pH 3.0 to 6.2)
Citrate-Phosphate Buffer (0.15 M, pH 5.0)
Citrate-Phosphate Buffer (110 mM, pH 5.6)
Citrate-Phosphate Buffer (40 mM, pH 5.6)
Diethanolamine (1 M, pH 9.8)
EBSS (magnesium, calcium, phenol red) (pH 7.0)
Glycine (0.1 M, pH 2.2)
Glycine-HCl Buffer (0.1 M, pH 3.0)
Glycine-Sodium Hydroxide Buffer (0.08 M, pH 10)
HEPPSO (1 M, pH 7.85)
Hydrochloric Acid-Potassium Chloride Buffer (0.1 M, pH 2.0)
Imidazole-HCl Buffer (0.05 M, pH 7.0)
Maleic Acid (1 M, pH 7.5)
MES (0.5 M, pH 6)
MOPS Buffer (10X) (0.2 M, pH 7)
MOPSO Buffer (0.5 M, 6.9 pH)
Phosphate Buffer (pH 5.8 to 7.4)
PIPES Buffer (1 M, 6.8 pH)
Potassium Phosphate Buffer (1 M, pH 6.5)
Potassium Phosphate (pH 5.8 to 8.0)
Sodium Acetate (3 M, pH 5.2)
Sodium Borate Buffer (1 M, pH 8.5)
Sodium Phosphate Solution
SSC buffer (20X) (3 M, pH 7)
TAE (1 M, pH 8.6)
TB Buffer
TBS (1 M, pH 7.4)
TES Buffer (1 M, 7.5 pH)
Tricine (1 M, pH 8.05)
Tris Buffer (1 M, pH 7.2)
Tris-Buffered Saline (TBS, 0.1 M)
Tris-citrate Buffer (pH 8.0)
Trizma® Buffer (pH 7.0 to 9.2)

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Alkaline Sodium Thiosulfate
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DEAE-dextran
EDTA Solution
Elution Buffer
Gey's Balanced Salt Solution
H-50 Buffer
Lysis Solution
Osmium Tetroxide Solution
Paraformaldehyde Solution (8%)
TE Buffer 10X
Trichloroacetic Acid (TCA)

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Anesthetic (MS222) Solution
Bradford Stock Solution
5-Fluorocytosine (5-FC) Solution
Chloroquine
Cresol Red Solution
Ethidium Bromide Solution
Immunofluorescence Quenching Solution
Mayer's Hemalum
Nuclear Fast Red Solution
Pyronin Y (PY) Solution
SSC (Northern Blot, 20x)
SSPE (Blot, 20x, pH 7.4)

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Dithiothreitol (DTT) (1 M)
Sodium Iodide/Sodium Sulfite Solution

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Bath Solution (Ca2+/Mg2+ Free)
Calcium Chloride Stock Solution
Carbenicillin Solution
Chelation Medium
Digestion Medium
Embryonic Medium
IPTG Solution
M9 Minimal Salts
Modified Barth's Saline (MBS)
Penicillin/Streptomycin/Chloramphenicol Antibiotic Mix
Yeast Two Hybrid (Y2H) Media, Amino Acid Dropout Mixes

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Acrylamide Stock Solution
Electrode Buffer
Electrophoretic Transfer Buffer (20x)
Imidazole-SDS Solution
SDS-PAGE SDS Running Buffer (10x)
Sodium Carbonate Transfer Buffer (40x, pH 9.5)
Tris/EACA Buffer
Tris-Glycine Transfer Buffer (20x)

References

This online tool may be cited as follows

MLA	"Quest Calculate™ CAPS (0.5 M, pH 10.4) Preparation and Recipe." AAT Bioquest, Inc., 20 Apr. 2024, https://www.aatbio.com/resources/buffer-preparations-and-recipes/caps-ph-10-4.
APA	AAT Bioquest, Inc. (2024, April 20). Quest Calculate™ CAPS (0.5 M, pH 10.4) Preparation and Recipe. AAT Bioquest. https://www.aatbio.com/resources/buffer-preparations-and-recipes/caps-ph-10-4.
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CAPS (0.5 M, pH 10.4) Preparation and Recipe

References

This online tool may be cited as follows

MLA

APA