Products for Classifying Bacteria

Proper identification of bacteria in your sample requires reagents and dyes capable of differentiation. GoldBio classifying reagents react differently depending on the metabolic properties of the cells present in your sample and can form colored precipitates in the presence of certain enzymes. Dyes like brilliant green will give you the ability to stain particular cells, such as E. coli from S. typhosa, allowing a visual indicator of which cells are present in your sample.
Showing 1-15 of 15 items.

2-Naphthyl caprylate Octanoic acid (β-naphthyl ester)

Catalog ID Size Pricing
N-100-500 500 mg $ 136.00
N-100-1 1 g $ 204.00
N-100-2.5 2.5 g $ 446.00
N-100-5 5 g $ 775.00

Description

2-Naphthyl caprylate is a chromogenic substrate for carboxylesterase and lipase. 2-naphthol is released upon hydrolyzation. By simultaneous coupling with a diazonium salt, the corresponding azo-dye is formed.

Naphthols can also be detected by fluorescence analysis, and can be used in a colorimetric assay for the extracellular lipase of Pseudomonas fluorescent B52.

Product Specifications

Catalog ID N-100
CAS # 10251-17-9
MW 270.37 g/mol
Grade MOLECULAR BIOLOGY GRADE
Storage/Handling Store at -20°C. Protect from light.
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N-100-500 500 mg $ 136.00
N-100-1 1 g $ 204.00
N-100-2.5 2.5 g $ 446.00
N-100-5 5 g $ 775.00

4-Methylumbelliferyl phosphate, free acid

Catalog ID Size Pricing
M-700-250 250 mg $ 34.00
M-700-10 10 g $ 201.00
M-700-25 25 g $ 476.00
M-700-50 50 g $ 905.00

Description

4-Methylumbelliferyl phosphate (MUP) is a sensitive fluorogenic substrate for fluorometric and UV-spectrophotometric assays of phosphatase.

Phosphotase activity has long been studied due to its importance in cellular function. Upon dephosphorylation, MUP yields fluorescent 4-methylumelliferone (4-MU). This reaction has been used to spot PCR amplified products in ELISA and to classify bacteria.

More specifically, MUP can act as an indicator of C. perfringens because of its ability to detect phosphatase which is a highly specific indicator of C. perfringens.

Product Specifications

Catalog ID M-700
CAS # 3368-04-5
MW 256.15 g/mol
Grade MOLECULAR BIOLOGY GRADE
Storage/Handling Store desiccated at -20°C. Protect from light.
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M-700-250 250 mg $ 34.00
M-700-10 10 g $ 201.00
M-700-25 25 g $ 476.00
M-700-50 50 g $ 905.00

5-Bromo-4-chloro-3-indoxyl-2-acetamido-2-deoxy-β-D-galactopyranoside (X-β-D-GalNAc)

Catalog ID Size Pricing
B-260-100 100 mg $ 39.00
B-260-250 250 mg $ 90.00
B-260-500 500 mg $ 136.00
B-260-1 1 g $ 200.00

Description

No description available

Product Specifications

Catalog ID B-260
CAS # 129572-48-1
MW 449.68 g/mol
Grade MOLECULAR BIOLOGY GRADE
Storage/Handling Store desiccated at -20°C. Protect from light.
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B-260-100 100 mg $ 39.00
B-260-250 250 mg $ 90.00
B-260-500 500 mg $ 136.00
B-260-1 1 g $ 200.00

C-390

Catalog ID Size Pricing
C-390-100 100 mg $ 93.00
C-390-25 25 mg $ 34.00
C-390-250 250 mg $ 222.00
C-390-500 500 mg $ 421.00

Description

No description available

Product Specifications

Catalog ID C-390
CAS # 77769-31-4
MW 490.05 g/mol
Grade MOLECULAR BIOLOGY GRADE
Storage/Handling Store at room temperature. Protect from light.
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C-390-100 100 mg $ 93.00
C-390-25 25 mg $ 34.00
C-390-250 250 mg $ 222.00
C-390-500 500 mg $ 421.00

Dulcitol

Catalog ID Size Pricing
D-270-2.5 2.5 kg $ 364.00
D-270-5 5 kg $ 707.00
D-270-10 10 kg $ 1,372.00
D-270-25 25 kg $ 3,331.00

Description

Dulcitol is a sugar alcohol used in culture media to differentiate bacteria based on carbohydrate fermentation abilities.

Product Specifications

Catalog ID D-270
CAS # 608-66-2
MW 182.17 g/mol
Grade MOLECULAR BIOLOGY GRADE
Storage/Handling Store at room temperature.
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D-270-2.5 2.5 kg $ 364.00
D-270-5 5 kg $ 707.00
D-270-10 10 kg $ 1,372.00
D-270-25 25 kg $ 3,331.00

Esculin

Catalog ID Size Pricing
E-100-10 10 g $ 42.00
E-100-100 100 g $ 145.00
E-100-250 250 g $ 345.00
E-100-500 500 g $ 650.00

Description

Esculin is a coumarin glycoside exhibiting anti-oxidative properties. Additionally, it provides protection against carcinogenesis caused by chemicals. Esculin is used to detect and enumerate Enterococcus species.

Product Specifications

Catalog ID E-100
CAS # 531-75-9
MW 367.31 g/mol
Grade MOLECULAR BIOLOGY GRADE
Storage/Handling Store at room temperature. Protect from light.
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E-100-10 10 g $ 42.00
E-100-100 100 g $ 145.00
E-100-250 250 g $ 345.00
E-100-500 500 g $ 650.00

Indoxyl β-D-glucuronide cyclohexylammonium

Catalog ID Size Pricing
I-480-500 500 mg $ 174.00
I-480-1 1 g $ 247.00
I-480-2.5 2.5 g $ 475.00
I-480-5 5 g $ 731.00

Description

No description available

Product Specifications

Catalog ID I-480
CAS # 35804-66-1
MW 408.46 g/mol
Grade MOLECULAR BIOLOGY GRADE
Storage/Handling Store desiccated at -20°C. Protect from light.
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I-480-500 500 mg $ 174.00
I-480-1 1 g $ 247.00
I-480-2.5 2.5 g $ 475.00
I-480-5 5 g $ 731.00

L-Alanine 4-nitroanilide hydrochloride

Catalog ID Size Pricing
A-200-2.5 2.5 g $ 60.00
A-200-5 5 g $ 110.00

Description

No description available

Product Specifications

Catalog ID A-200
CAS # 31796-55-1
MW 245.66 g/mol
Grade MOLECULAR BIOLOGY GRADE
Storage/Handling Store at -20°C. Protect from light.
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A-200-2.5 2.5 g $ 60.00
A-200-5 5 g $ 110.00

L-Alanine 7-amido-4-methylcoumarin, trifluoroacetate salt

Catalog ID Size Pricing
A-190-100 100 mg $ 41.00
A-190-250 250 mg $ 82.00
A-190-500 500 mg $ 131.00
A-190-1 1 g $ 210.00

Description

H-Ala-AMCTFA (L-Alanine 7-amido-4-methylcoumarin, trifluoroacetate salt) is a fluorogenic substrate for aminopeptidase that yields a blue fluorescent solution. This substrate is useful in differentiating between gram-positive and gram-negative bacteria.

Product Specifications

Catalog ID A-190
CAS # 96594-10-4
MW 360.29 g/mol
Grade MOLECULAR BIOLOGY GRADE
Storage/Handling Store desiccated at -20°C. Protect from light.
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A-190-100 100 mg $ 41.00
A-190-250 250 mg $ 82.00
A-190-500 500 mg $ 131.00
A-190-1 1 g $ 210.00

L-Arabinose

Catalog ID Size Pricing
A-300-25 25 g $ 19.00
A-300-100 100 g $ 42.00
A-300-250 250 g $ 92.00
A-300-500 500 g $ 172.00
A-300-1 1 kg $ 229.00
A-300-2 2 x 1 kg $ 370.00
A-300-5 5 kg $ 758.00

Description

L-Arabinose is an arabinose isomer widely found in nature, while D-arabinose is less common. L-Arabinose is a constituent of many biopolymers that make up plant cell walls.

This monosaccharide is often used in cell culture media, serving as a bacterial carbon source, and can be used to distinguish between bacteria based on their fermentation abilities.

L-Arabinose, in the absence of glucose, induces transcription of the ara operon in E. coli that encodes L-arabinose catabolizing enzymes. It does this by binding to the AraC protein and activating the PBAD promoter. The PBAD promoter is used in plasmid vectors as a switch for protein expression that can be turned on by L-arabinose or turned off by addition of glucose.

Product Specifications

Catalog ID A-300
CAS # 87-72-9
MW 150.13 g/mol
Grade MOLECULAR BIOLOGY GRADE
Storage/Handling Store at room temperature.
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A-300-25 25 g $ 19.00
A-300-100 100 g $ 42.00
A-300-250 250 g $ 92.00
A-300-500 500 g $ 172.00
A-300-1 1 kg $ 229.00
A-300-2 2 x 1 kg $ 370.00
A-300-5 5 kg $ 758.00

L-Malic acid, disodium salt

Catalog ID Size Pricing
M-100-5G 5 g $ 28.00
M-100-250 250 g $ 208.00
M-100-500 500 g $ 397.00
M-100-1 1 kg $ 756.00

Description

L-Malic acid, disodium salt is a dicarboxylic acid used to differentiate microorganisms based on their varying metabolic properties. It is a source of CO2 in the Calvin cycle and an intermediate of the citric acid cycle.

Product Specifications

Catalog ID M-100
CAS # 138-09-0
MW 178.05 g/mol
Grade MOLECULAR BIOLOGY GRADE
Storage/Handling Store at room temperature.
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M-100-5G 5 g $ 28.00
M-100-250 250 g $ 208.00
M-100-500 500 g $ 397.00
M-100-1 1 kg $ 756.00

5-Bromo-4-chloro-3-indoxyl-α-D-glucopyranoside

Catalog ID Size Pricing
B-380-100 100 mg $ 68.00
B-380-1 1 g $ 237.00
B-380-2.5 2.5 g $ 474.00
B-380-5 5 g $ 759.00

Description

No description available

Product Specifications

Catalog ID B-380
CAS # 108789-36-2
MW 408.64 g/mol
Grade MOLECULAR BIOLOGY GRADE
Storage/Handling Store at -20°C. Protect from light.
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B-380-100 100 mg $ 68.00
B-380-1 1 g $ 237.00
B-380-2.5 2.5 g $ 474.00
B-380-5 5 g $ 759.00

Basic Fuchsin

Catalog ID Size Pricing
F-060-25 25 g $ 60.00
F-060-100 100 g $ 150.00

Description

No description available

Product Specifications

Catalog ID F-060
CAS # 632-99-5
MW 337.85 g/mol
Grade MOLECULAR BIOLOGY GRADE
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F-060-25 25 g $ 60.00
F-060-100 100 g $ 150.00

Brilliant Green

Catalog ID Size Pricing
B-080-100 100 g $ 52.00

Description

No description available

Product Specifications

Catalog ID B-080
CAS # 633-03-4
MW 482.63 g/mol
Grade CERTIFIABLE GRADE
Storage/Handling Store at room temperature.
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B-080-100 100 g $ 52.00

5-ethynyl-2’-deoxyuridine (5-EdU)

Catalog ID Size Pricing
E-980-100 100 mg $ 63.00
E-980-250 250 mg $ 105.00
E-980-500 500 mg $ 159.00
E-980-1 1 g $ 239.00

Description

No description available

Product Specifications

Catalog ID E-980
CAS # 61135-33-9
MW 252.22 g/mol
Storage/Handling Store desiccated at -20°C.
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E-980-100 100 mg $ 63.00
E-980-250 250 mg $ 105.00
E-980-500 500 mg $ 159.00
E-980-1 1 g $ 239.00

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