Sigma-Aldrich
Signal Transduction

 Buffers and Reagents

Cell Signaling & Neuroscience
 
  Buffers
Cyclodextrins
Enzymes
Transfection Reagents
Reagents

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Buffers 
Product NameProduct # 
ACES Biotechnology Performance Certified ³99 % (titration)A3594
BIS-TRIS Biotechnology Performance Certified cell culture tested insect cell culture tested ³98 % (titration)B4429
BIS-TRIS propane Biotechnology Performance Certified cell culture tested ³99 % (titration)B4679
EPPS Biotechnology Performance Certified cell culture tested ³99.5 % (titration)E0276
HEPES Biotechnology Performance Certified ³99.5 % (titration) cell culture testedH4034
HEPES sodium salt Biotechnology Performance Certified cell culture tested ³99.5 % (titration)H3784
MES hydrate Biotechnology Performance Certified plant cell culture tested ³99.5 %M2933
MES sodium salt Biotechnology Performance CertifiedM3058
MOPS ³99.5 % (titration) Biotechnology Performance Certified cell culture testedM3183
MOPS sodium salt Biotechnology Performance Certified cell culture tested ³99.5 % (titration)M9024
PIPES Biotechnology Performance Certified cell culture tested ³99.5 % (titration)P1851
TAPS Biotechnology Performance Certified cell culture tested ³99.5 % (titration)T5316
TAPS sodium salt Biotechnology Performance Certified cell culture tested ³99 %T5441
TAPSO Biotechnology Performance Certified cell culture tested ³99 % (titration)T5566
TES Biotechnology Performance Certified cell culture tested ³99 % (titration)T5691
Tricine Biotechnology Performance Certified cell culture tested ³99 % (titration)T5816
Trizma® base USP, EP cell culture tested Biotechnology Performance CertifiedT6066
Trizma® hydrochloride Biotechnology Performance Certified, for molecular biology cell culture tested ³99 % (titration)T5941
Cyclodextrinsback to top
Product NameProduct # 
(2-Hydroxypropyl)-b-cyclodextrin powder cell culture testedC0926
Harmalol hydrochloride dihydrate H-125
Methyl-b-cyclodextrin powder cell culture testedC4555
Enzymesback to top
Product NameProduct # 
a-Amylase, heat-stable solution For use in Total Dietary Fiber Assay, TDF-100AA3306
Chondroitinase ABC from Proteus vulgaris Lyophilized powder 0.3-3 units/mg solid (using chondroitin sulfate C as substrate)C2905
Deoxyribonuclease I from bovine pancreas Type IV Lyophilized powder ³2,000 Kunitz units/mg proteinD5025
Furin ³2,000 unit/mL Buffered aqueous solutionF2677
b-Galactosidase Escherichia coli Grade VI Lyophilized powder 250-600 units/mg protein, pH 7.3, 37 °CG6008
Glucose-6-phosphate Dehydrogenase from baker's yeast (S. cerevisiae) Type XV Lyophilized powder 200-400 units/mg protein (modified Warburg-Christian)G6378
b-Glucuronidase from Patella vulgata (keyhole limpet) Type L-II Lyophilized powder 1,000,000-3,000,000 units/g solidG8132
Heparinase I from Flavobacterium heparinum Lyophilized powder stabilized with approx. 25% bovine serum albumin. 200-600 unit/mg solidH2519
Heparinase III from Flavobacterium heparinum 200-600 unit/mg solid Lyophilized powder stabilized with approx. 25% bovine serum albuminH8891
Hyaluronidase bovine testes Type I-S Lyophilized powderH3506
Neuraminidase Clostridium perfringens (C. welchii) Type V Lyophilized powderN2876
PNGase F Chryseobacterium (Flavobacterium) meningosepticum Buffered aqueous solutionG5166
Pyrophosphatase, inorganic from baker's yeast (S. cerevisiae) Lyophilized powder ³500 units/mg protein (E1%/280)I1643
Transfection Reagentsback to top
Product NameProduct # 
DOTAP chloride Lyophilized powderD6182
DOTAP methosulfate Buffered aqueous suspensionD1163
ESCORTä Transfection Reagent E9770
Reagentsback to top
Product NameProduct # 
Adenosine 5'-[g-thio]triphosphate tetralithium salt ³75 % powderA1388
S-(5'-Adenosyl)-L-methionine p-toluenesulfonate salt ~90 % from Ulex europaeusA2408
S-(5'-Adenosyl)-L-methionine chloride ~70 % from Ulex europaeusA7007
Albumin from chicken egg white Grade V ³98 % (agarose gel electrophoresis) Lyophilized powderA5503
Albumin bovine serum pH ~7 (1 % (w/v) in aqueous solution) ³96 % (electrophoresis) Lyophilized powderA2153
Albumin bovine serum ³96 % (electrophoresis) Lyophilized powderA4503
Ammonium chloride cell culture testedA0171
Calcium chloride dihydrate cell culture tested insect cell culture tested ³99 %C7902
Calcium nitrate tetrahydrate cell culture testedC7652
Cholesteryl 3b-N-(di­methyl­amino­ethyl)­carbamate hydrochloride ~95 %C2832
Cobalt(II) chloride hexahydrate cell culture tested insect cell culture testedC8661
Copper(II) sulfate pentahydrate cell culture tested ³98 %C8027
Cremophor® EL C5135
DL-Dithiothreitol ³98 % (TLC) ³99 % (titration)D0632
Ferric citrate cell culture testedF3388
Folic acid cell culture tested insect cell culture tested ~98 %F8758
Glycerol cell culture tested insect cell culture tested ~99 % (GC)G2025
Hydrochloric acid solution 1.0 N cell culture testedH9892
Intralipid 20% emulsionI-141
Iron(II) sulfate heptahydrate cell culture tested insect cell culture tested ³99 %F8633
Magnesium chloride hexahydrate cell culture tested insect cell culture testedM2393
Magnesium sulfate cell culture tested insect cell culture testedM2643
Manganese(II) sulfate monohydrate cell culture testedM1144
2-Mercaptoethanol cell culture tested liquidM7522
b-Nicotinamide adenine dinucleotide hydrate ³98 % from yeastN7004
b-Nicotinamide adenine dinucleotide sodium salt from Saccharomyces cerevisiae ³95 %N0632
b-Nicotinamide adenine dinucleotide phosphate sodium salt ³98 %N0505
b-Nicotinamide adenine dinucleotide 2'-phosphate reduced tetrasodium salt ³98 %N7505
b-Nicotinamide adenine dinucleotide, reduced disodium salt hydrate ³98 %N8129
O-(4-Nitrophenylphosphoryl)choline N5879
Phosphoric acid insect cell culture tested 85 %P5811
Pluronic F-68 cell culture tested insect cell culture testedP1300
Pluronic F-127 cell culture testedP2443
Poly(ethyleneimine) solution 50 % (w/v) in waterP3143
Potassium chloride cell culture tested insect cell culture tested ³99 % powderP5405
Potassium phosphate monobasic powder ³99.0 % cell culture tested insect cell culture testedP5655
Sodium acetate powder ³99 % cell culture tested insect cell culture testedS5636
Sodium azide ReagentPlusä ³99.5 %S2002
Sodium bicarbonate powder ³99.5 % cell culture tested insect cell culture testedS5761
Sodium chloride cell culture tested insect cell culture testedS5886
Sodium hydroxide solution 1.0 N cell culture testedS2770
Sodium phosphate dibasic ³98 % powder cell culture tested insect cell culture testedS5136
Sodium phosphate monobasic powder ³99.0 % cell culture tested insect cell culture testedS5011
Sodium selenite cell culture tested ~98 % Lyophilized powderS9133
Sodium selenite cell culture tested ~98 %S5261
(6R)-5,6,7,8-Tetrahydrobiopterin dihydrochloride T4425
Thimerosal ³97 % (HPLC)T5125
Trypan Blue powder cell culture testedT6146
Water sterile-filtered cell culture testedW3500
Zinc chloride cell culture tested insect cell culture testedZ0152
Zinc sulfate heptahydrate cell culture testedZ0251
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