HCM116 Slanetz and Bartley Medium

Introduction

Intended Use

For the enumeration of enterococci in water and other liquids by the membrane filtration technique.

Principle and Interpretation

The growth of the entire accompanying Gram-negative microbial flora is inhibited by sodium azide. Enterococci reduce 2,3,5-Triphenyl tetrazolium chloride (TTC) to give a red formazan inside the bacterial cell, their colonies are thus red. Nitrogen, minerals, and amino acids are provided by the tryptose whilst yeast extract supplies vitamins. Glucose acts as the carbon source, dipotassium phosphate buffers the medium, and agar-agar is the solidifying agent.

Formulation

Ingredients	/liter
Tryptose	20.0g
Yeast extract	5.0g
Glucose	2.0g
Disodium hydrogen phosphate	4.0g
Sodium azide	0.4g
2,3,5-Triphenyl Tetrazolium chloride	0.1g
Agar	10.0g
pH 7.2±0.1 at 25°C

Preparation

Dissolve 41.5 g in 1 L of purified water. Heat in boiling water and agitate frequently until completely dissolved. Sterilize by further heat for 20 minutes in the boiling water bath.

Quality Control

Cultural characteristics observed after incubation at 34-38°C for 40-48hours

Quality control strains	Growth	Colony color
Enterococcus faecalis ATCC29212	Good growth,PR≥0.5	deep red coloured colonies
Escherichia coli ATCC25922	Total inhibition	–

Sorage and Shelf Life

Keep container tightly closed, store in a cool, dry place, away from bright light. Storage period of 3 years.

Precautions

1. When weighing the dehydrated medium, please wear masks to avoid causing respiratory system discomfort

2. Keep container tightly closed after using to prevent clumping.

Waste Disposal

Microbiological contamination was disposed by autoclaving at 121°C for 30 minutes.

Cat. #	Name	Elution Volume	Plasma/Serum	Urine	Cell-Culture Media
55000	Plasma/Serum RNA Purification Mini Kit	10 – 25 µL	50 µL – 1 mL	250 µL – 1 mL	5 – 10 mL
35300	Total RNA Purification Micro Kit	20 – 50 µL	1 – 4 mL	2 – 10 mL	10 – 20 mL
17200	Total RNA Purification Kit	50 – 100 µL	4 – 10 mL	11 – 30 mL	20 – 35 mL

Kit Specifications
Maximum Binding Capacity Per Well	50 μg
Maximum Loading Volume Per Well	500 μL
Size of RNA Purified	All sizes, including small RNA (< 200 nt)
Maximum Amount of Starting Material:
Animal Cells	1 x 10⁶ cells
Animal Tissues	10 mg
Blood	100 μL
Plasma/Serum	150 μL
Bacteria	1 x 10⁹ cells
Yeast	1 x 10⁸ cells
Fungi	40 mg
Plant Tissues	40 mg
Time to Complete 96 Purifications	30 minutes
Average Yields*
HeLa Cells (1 x 10⁶ cells)	15 μg
E. coli (1 x 10⁹ cells)	50 μg

Component	Cat. 17200 (50 preps)	Cat. 37500 (100 preps)	Cat. 17250 (250 preps)	Cat. 17270 (500 preps)	Cat. 24300 (192 preps)	Cat. 24370 (576 preps)	Cat. 24350 (192 preps)	Cat. 24380 (576 preps)
Buffer RL	40 mL	2 x 40 mL	175 mL	350 mL	2 x 40 mL	350 mL	2 x 40 mL	350 mL
Wash Solution A	38 mL	2 x 38 mL	148 mL	1 x 148 mL 1 x 74 mL	2 x 38 mL	1 x 74 mL 1 x 148 mL	2 x 38 mL	1 x 74 mL 1 x 148 mL
Elution Solution A	6 mL	2 x 6 mL	30 mL	60 mL	2 x 20 mL	60 mL	2 x 20 mL	60 mL
Mini Spin Columns	50	100	250	500	–	–	–	–
96-Well Isolation Plate	–	–	–	–	2	6	–	–
96-Well Isolation Plate (Deep Well)	–	–	–	–	–	–	2	6
Adhesive Tape	–	–	–	–	4	12	4	12
Collection Tubes	50	100	250	500	–	–
96-Well Collection Plate	–	–	–	–	2	6	–	–
96-Well Collection Plate (Deep Well)	–	–	–	–	–	–	2	6
Elution Tubes (1.7 mL)	50	100	250	500	–	–
96-Well Elution Plate	–	–	–	–	2	6	–	–
96-Well Elution Plate (Deep Well)	–	–	–	–	–	–	2	6
Product Insert	1	1	1	1	1	1	1	1

HCM116 Slanetz and Bartley Medium

Detail

Introduction

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