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(PMSF), Phenylmethylsulphonyl Fluoride
In biochemistry, phenylmethylsulfonyl fluoride (PMSF) is a serine protease inhibitor (serine hydrolase inactivator) commonly used in the preparation of cell…
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In biochemistry, phenylmethylsulfonyl fluoride (PMSF) is a serine protease inhibitor (serine hydrolase inactivator) commonly used in the preparation of cell lysates. PMSF does not inactivate all serine proteases. The effective concentration of PMSF is between 0.1 - 1 mM. The half-life is short in aqueous solutions (110 min at pH 7, 55 min at pH 7.5, and 35 min at pH 8, all at 25 °C). Stock solutions are usually made up in anhydrous ethanol, isopropanol, or corn oil and diluted immediately before use.C6H5CH2SO2F F.W. 174.20                         -          CAS #329-98-6
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(S-TPPS) Silver Tetraphenylporphin Sulfonate
An EM stain for elastin. Albert, E.N., And Fleischer E. (1970). A new electron…
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An EM stain for elastin. Albert, E.N., And Fleischer E. (1970). A new electron dense stain for elastic tissue. J. Histochem.Cystochem. 18, 697 An EM stain for elastin. Albert, E.N., And Fleischer E. (1970). A new electron dense stain for elastic tissue. J. Histochem.Cystochem. 18, 697MSDSStorage : 0-5°C Unit :100mg
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(SPURR), Low Viscosity, Embedding Kit
Provides excellent penetration for embedding biological tissues and rapid infiltration. Easy to prepare. The hardness…
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Provides excellent penetration for embedding biological tissues and rapid infiltration. Easy to prepare. The hardness is adjusted by changing the proportion of the flexibilizer (DER 736). The blocks have good trimming and sectioning qualities. Thin sections are tough under the electron beam.  Spurr, A.R., (1969) J. Ultrastruct. Res. 26, 31-42Kit consists of:  - 450 ml NSA   ,   - 225 ml ERL 4221,  - 225 ml DER 736,   - 25 ml DMAE -  (4 bottles) Kit         Storage : RT
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(TC-NBT), Thiocarbamyl Nitro-Blue Tetrazolium
(TCH), Thiocarbohydrazide, Highest Purity
(TMA), Tetramethylene Glycol
(TMB), 3,3,5,5-Tetramethyl Benzidine
1,2-Dichloroethane, Reagent, A.C.S.
12-Tungstosilicic Acid
Silicotungstic acid     H4[SiO4.(W3O9)4]·xH2OUnit : 25gMSDS 
To facilitate your work, we now have available a complete line of Osmium Tetroxide Aqueous…
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To facilitate your work, we now have available a complete line of Osmium Tetroxide Aqueous Solutions with various concentrations. Sealed under dry nitrogen. Prepared in our plant daily. Exact concentrations and volume in pre-scored amber-ampoules. Technicals  Tips Technical TIP : osmium_tetroxide Technical TIP : air_osmium_tetroxide MSDS Special orders are encouraged for different solution concentrations and packaging requirements.
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