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General (Stock) Solutions

DNA Gel Sample Loading Buffer—“Blue Juice”

  • 40 mg Bromophenol Blue
  • 40 mg Xylene Cyanol
  • 5 mL Glycerol
  • 5 mL H2O
  • Vortex, divide into 1 mL aliquots and freeze.

Tris, 1 M pH 7.5

  • 60.55 g. Trizma Base in 400 mL MQ (Mark’s Quality) H2O
  • Adjust pH to 7.5 w/ concentrated HCl
  • q.s. to 500 mL (q.s. = quantum satis/sufficit; as much as suffices)

Tris, 1 M pH 8.0

  • 60.55 g. Trizma Base in 400 mL MQ (Mark’s Quality) H2O
  • Adjust pH to 8.0 w/ concentrated HCl
  • q.s. to 500 mL (q.s. = quantum satis/sufficit; as much as suffices)

EDTA, 0.5 M pH 8.0

  • 60.55 g. Na2EDTA*2H2O (Be sure to check FW before mixing!! Desiccate if necessary.)
  • 400 mL ddH2O
  • Adjust pH to 8.0 w/ solid NaOH
  • q.s. to 500 mL

EDTA, 0.5 M pH 8.0

  • 95.05 g. Na EDTA (FW: 380.2 g.)
  • 400 mL ddH2O
  • Adjust pH to 8.0 w/ solid NaOH
  • q.s. to 500 mL

NaCl, 5M

  • 292.2 g. NaCl in 800 ml MQ H2O
  • Stir; adjust to 1 liter total volume.
  • pH not important

MgCl2, 1M

  • 101.65 g. MgCl2*6H2O in 800 mL ddH2O
  • Stir; adjust to 1 liter total volume.
  • pH not important

TE Buffer, pH 7.4

  • 10 mL 1M Tris
  • 2 mL 0.5 M EDTA
  • q.s. to 1 L
  • check pH and adjust if necessary.

PBS, 10x (Phosphate Buffered Saline)

  • 40 g. NaCl
  • 1 g. KCl
  • 7.2 g. Na2HPO4
  • 1.2 g. KH2PO4
  • 450 mL ddH2O
  • Adjust pH to 7.4 w/ NaOH
  • q.s. to 500 mL

*must be autoclaved or filter-sterilized prior to use.

PBS, 1x (Phosphate Buffered Saline)

  • 8 g NaCl
  • 0.2 g KCl
  • 1.44 g Na2HPO4
  • 0.24 g KH2PO4
  • 600 mL ddH2O
  • Adjust pH to 7.4 w/ HCl.
  • q.s. to 1 L

*must be autoclaved or filter-sterilized prior to use.

DPBS, 1x, With Calcium and Magnesium (Based on Biological Industries Fromulation

  • 49.95mg CaCl2
  • 100.125mg KCl
  • 99.96mg KH2PO4 (Monobasic)
  • 23.80mg MgCl2
  • 4g NaCl
  • 575mg Na2HPO4 (Dibasic)
  • q.s to 450mL
  • pH to 7.4
  • q.s to 500mL

NaOAc, 3 M (Acetate Solution)

Option 1:

  • 102.03 g. NaOAc*3H2O
  • 200 mL ddH2O
  • Adjust pH to 5.2 w/ glacial acetic acid
  • q.s. to 250 mL

Option 2:

  • 61.5 g. NaOAc, anhydrous
  • 200 mL ddH2O
  • Adjust pH to 5.2 w/ glacial acetic acid
  • q.s. to 250 mL

Ampicillin

  • 25 mg/mL stock
  • Use sterile H2O and filter (0.22 micron)
  • Divide into 1 mL aliquots, store at -20oC

*Becomes yellow when bad

Ethidium Bromide, 10 mg/mL

  • 0.1 g. Ethidium Bromide
  • 10 mL ddH2O
  • Dissolve by stirring several hours. Cover with foil and store at RT or 4oC

TAE, 50x (Tris-Acetate Buffer with EDTA)

  • 242 g. Trizma base
  • 57.1 mL glacial acetic acid
  • 100 mL 0.5 M EDTA, pH 8
  • q.s. to 1 Liter

TBS, 20x (Tris-Buffered Saline)

  • 48.44 g. Trizma base
  • 151.9 g. NaCl
  • 700 mL ddH2O
  • Adjust to pH 7.4 with Conc. HCl
  • q.s. to 1 Liter

Chloroform:Isoamyl Alcohol (24:1)

  • 96 mL CHCl3
  • 4 mL Isoamyl Alcohol
  • *mix in hood
  • *do not autoclave

Tris (10 mM) EDTA (5 mM) SDS (0.1%)

  • 2.5 mL 1 M Tris, pH 7.4
  • 2.5 mL 0.5 M EDTA
  • 0.25 g SDS
  • q.s. to 250 mL with ddH2O

HEPES Buffer, 1M

  • 238.3 g HEPES (free acid)
  • 800 mL ddH2O
  • Adjust pH w/ NaOH
  • q.s. to 1 L with ddH2O

HBSS, 1x  (g/L)

  • 0.185g CaCl2
  • 0.09767g MgSO(anhydrous)
  • 0.4g KCl
  • 0.06g KH2PO4 (anhydrous)
  • 0.35g NaHCO3
  • 8.0g NaCl
  • 0.04788g Na2HPO4 (anhydrous)
  • 1.0g D-Glucose
  • q.s. to 1L with ddH2O

*sterile filter before use

INS -1  Supplement

  • 100mL Glutamine solution (200mM)
  • 100mL Na-pyruvate solution (100mM)
  • 35.2uL 2-mercaptoethanol

RIPPA Buffer

  • 10 mM Tris Cl (1 mL of a 1M solution) 1mM EDTA (200 uL of a 0.5M solution)
  • 0.5mM EGTA (100ul of a 0.5M solution)
  • 1% Triton x 100 (10 mL of a 10% solution)
  • 0.1% Sodium Deoxycholate (1mL of a 10% solution)
  • 0.1% SDS (1mL of a 10% solution)
  • 140mM NaCl (2.8mL of a 5M solution)
  • - combine all above liquids then q.s. to 100 mL