Principle: Peptone provide carbon and nitrogen sources to meet the needs of bacterial growth; lactose are fermentable sugars; selenite, sodium hydrogen inhibit Gram-positive bacteria and gram-negative enterobacteria most non-Salmonella; phosphate-buffered agent; L- cystine as a reducing agent.
How to use: 1. Weigh 23g of the product , adding 1 L of distilled or deionized water , heated to boiling stirring until completely dissolved, dispensing flask, cooled to room temperature . 2. Pipette 10mL of pre-enrichment sample broth or 25mL and transferred species in the liquid sample flask in a sterile environment. 3.Place into incubator, cultured at 36 ± 1 for 18-24h. 4. Observe the results.
Quality control: Quality control strains were inoculated ,and cultured at 36 ± 1 for 18-24h ,results show as follows: strain name strain code growth feature Salmonella typhi CMCC (B) 50071 good red, cloudy Salmonella typhimurium CMCC (B) 50115 good red, cloudy Escherichia coli ATCC25922 — remain unchanged
Storage: Store in a dark, cool and dry place, tighten the cap immediately after use. Storage period of three years.
Other Products
ProteoSpin™ Total Protein Concentration, Detergent Clean-Up and Endotoxin Removal Kits
Product Info
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Product Info
Overview
Columns bind proteins of interest while endotoxins flow through
Reduce endotoxin levels to less than 0.01 EU/µg of protein
Proteins are desalted
Greater than 95% protein recovery
Concentrate protein samples and remove detergents at the same time
Effectively remove a wide range of detergents including SDS, Triton® X-100, CHAPS, NP-40, and Tween 20
Purification is based on spin column chromatography that uses Norgen’s resin separation matrix
The ProteoSpin™ Total Protein Concentration, Detergent Clean-Up and Endotoxin Removal Kits are designed for the rapid removal of endotoxins from previously purified proteins or peptides, with protein recoveries of > 95% being achieved. Endotoxins, also known as lipopolysaccharides, are cell-membrane components of Gram-negative bacteria such as E. coli. Endotoxins liberated by Gram-negative bacteria are frequent contaminations of protein solutions derived from bioprocesses. Due to the high toxicity of endotoxins in vivo and in vitro, their removal from protein preparations is often necessary prior to the use of the protein in downstream applications. These kits efficiently reduce endotoxin levels to ≤ 0.01 EU/mg of protein, using spin column chromatography based on Norgen’s proprietary resin as the separation matrix. These kits are highly efficient in removing many different salts commonly used in the laboratory including, but not limited to, MgCl2, NaCl, KCl, CaCl2, LiCl and CsCl. The purified protein samples can be used in a number of downstream applications including sequencing, cloning, and in vitro and in vivo introduction into cells and organisms for various purposes. The simultaneous removal of salts while concentrating a dilute protein solution makes the kit a convenient method for preparing proteins before running many downstream applications such as SDS-PAGE, isoelectric focusing, X-ray crystallography, NMR spectroscopy, mass spectroscopy and other applications.
Mini Kit
The ProteoSpin™ Total Protein Concentration, Detergent Clean-Up and Endotoxin Removal Mini Kit is designed for the rapid removal of endotoxins from up to 200 μg of previously purified proteins or peptides, with protein recoveries of > 95% being achieved.
Maxi Kit
The ProteoSpin™ Total Protein Concentration, Detergent Clean-Up and Endotoxin Removal Maxi Kit is designed for the rapid removal of endotoxins from up to 4 mg of previously purified proteins or peptides, with protein recoveries of > 95% being achieved.
Including Triton® X-100, CHAPS, NP-40 and Tween 20
Elution Volume
2-4 mL
Time to Complete 10 Purifications
30-40 minutes
Storage Conditions All solutions should be kept tightly sealed and stored at room temperature. This kit is stable for 2 years after the date of shipment.
Component
Cat. 22800 (25 preps)
Cat. 22200 (4 preps)
Binding Buffer J
8 mL
8 mL
Binding Buffer N
4 mL
20 mL
Wash Solution M
50 mL
130 mL
Wash Solution CIP
20 mL
60 mL
Wash Solution N
30 mL
130 mL
Wash Solution NIP
20 mL
60 mL
Elution Buffer G
6 mL
20 mL
Endotoxin Removal Solution
1.5 mL
1.5 mL
Protein Neutralizer EF
2 mL
2 mL
Maxi Spin Columns (assembled with Collection Tubes)
–
4
Mini Spin Columns
25
–
Collection Tubes
25
–
Maxi Spin Columns (assembled with Collection Tubes)
Norgen’s EXTRAClean Urine Cell-Free Circulating RNA Purification Kits provide a fast, reliable, reproducible, and simple procedure for isolating circulating RNA and exosomal RNA from various urine inputs ranging from 250 μL and up to 30 mL. The purified RNA is of the highest integrity, and can be used in a number of downstream applications including real-time PCR, reverse transcription PCR, Northern blotting, RNase protection and primer extensions, and expression array assays.
EXTRAClean Cell-Free Circulating RNA Purification Mini Kit: For sample volumes ranging from 250 μL to 2 mL
EXTRAClean Cell-Free Circulating RNA Purification Midi Kit: For sample volumes ranging from 2mL to 10mL. The first column will handle the large volume input of urine that is followed by a concentration on a mini column for a final elution of 50 μL to 100 μL
EXTRAClean Cell-Free Circulating RNA Purification Maxi Kit: For sample volumes ranging from 10 mL to 30 mL. The first column will handle the large volume input of urine that is followed by a concentration on a mini column for a final elution of 50 μL to 100 μL.
All sizes, including miRNA and small RNA (< 200 nt)
Average Yields ¥
Variable depending on specimen
¥Please check page 6 of the protocol for average urine yields and common RNA quantification methods.
Storage Conditions and Product Stability
All buffers should be kept tightly sealed and stored at room temperature. These kits are stable for 2 years after the date of shipment. It is recommended to warm Lysis Buffer A for 20 minutes at 60°C if any salt precipitation is observed.
Cell Culture Plate provide excellent smoothness and uniformity based on accurate molding technology. By such property, clear view can be available when examine with a microscope.
Specifications: 6wells,
12wells, 24wells., 48wells, 96wells
PRODUCT FEATURES
The product is made of medical grade USP CLASS VI polymer polystyrene
The product is made under a 100,00- class dust-free manufacturing site
Two kinds of product line up are providing.
For adherent cell culture: Initial adherence and proliferative property of cells via hydrophilic surface treatment.
For suspension cell culture: The surface is resistant to cell adherence, which minimizes damage or loss of cell.
Gamma radiation sterilization
Non-Pyrogenic, DNase/Rnase free.
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Cell Culture Plate provide excellent smoothness and uniformity based on accurate molding technology. By such property, clear view can be available when examine with a microscope.
