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Bis-propargyl-PEG13

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Bis-propargyl-PEG13 comprises two propargyl groups which can form triazole linkages with azide-bearing compounds or biomolecules in copper catalyzed Click Chemistry reactions. The hydrophilic PEG units help improve the solubility of the molecule in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Detail

Bis-propargyl-PEG13 comprises two propargyl groups which can form triazole linkages with azide-bearing compounds or biomolecules in copper catalyzed Click Chemistry reactions. The hydrophilic PEG units help improve the solubility of the molecule in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Other Products

Plasma/Serum RNA/DNA Purification Mini Kit

Overview

  • Isolate all sizes of circulating and exosomal RNA, including microRNA
  • Isolate all sizes of circulating DNA from plasma and serum samples
  • Isolate viral and bacterial DNA and RNA
  • Versatile plasma and serum input volumes (10 µL – 200 µL)
  • No phenol extractions
  • Bind and elute all RNA irrespective of size or GC content, without bias
  • Concentrate circulating RNA, exosomal RNA and cell-free circulating DNA into a flexible elution volume ranging from 10 µL to 25 µL
  • Isolate inhibitor-free nucleic acids
  • Purify high-quality RNA and DNA in 30 minutes
  • Purified RNA is suitable for a variety of downstream applications, including Small RNA Sequencing. Find out more information on Norgen’s NGS services
  • Purification is based on spin column chromatography that uses Norgen’s proprietary resin separation matrix

Norgen’s Plasma/Serum RNA/DNA Purification Mini Kit provides a fast, reliable, reproducible and simple procedure for the sequential isolation of circulating RNA, exosomal RNA and Cell-Free Circulating DNA (cfc) from the same Plasma/Serum sample. It can sequentially isolated RNA and DNA from small plasma/serum input ranging from 10 µL to 200 µL. The kit is designed to isolate all sizes of circulating RNA, including microRNA, all sizes of exosomal RNA as well as all sizes of cfc-DNA from fresh or frozen plasma or serum samples. Norgen’s Plasma/Serum RNA Purification Kit provides a clear advantage over other available kits in that it does not require Phenol/Chloroform or any Protease treatments for the isolation of plasma/serum RNA or DNA . RNA and DNA can be eluted into a flexible elution volume ranging from 10 µL to 25 µL. Purified RNA can be used in a number of sensitive downstream applications including reverse transcription qPCR, reverse transcription PCR, NGS, Northern blotting, RNase protection and primer extension, and expression array assays. Purified DNA can be used in a number of sensitive downstream applications including PCR, qPCR, methylation-sensitive PCR and Southern Blot analysis.

Background

Typical yields of free-circulating, exosomal RNA and cfc-DNA vary depending on the input sample, as the amount of RNA and/or DNA present in plasma and serum will depend upon the health status of the individual.  Normally, the RNA/DNA yield from plasma or serum is highly variable (range from 1 to 100 ng/mL). Variability is also observed between samples collected from the same donor at different times during the day. This kit is suitable for the isolation of RNA/DNA from serum or plasma prepared from blood collected on either EDTA or Citrate. Plasma samples prepared from blood collected on heparin should not be used as heparin can significantly interfere with many downstream applications such as RT-PCR.

Details

Supporting Data

Figure 1 / 7

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Figure 1. Purification of Circulating RNA from Different Plasma Volumes
Figure 1. Purification of Circulating RNA from Different Plasma Volumes
Figure 2. Purification of cfc DNA from Different Plasma Volumes
Figure 3. Eluting Purified Circulating RNA from into Different Elution Volumes.
Figure 4. Eluting Purified cfc DNA from into Different Elution Volumes
Figure 5. Effective and Consistent Detection of miRNA from Plasma
Figure 6. Effective and Consistent Detection of cfc DNA from Plasma
Figure 7. Detection of the Human 5S Gene

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Kit Specifications
Minimum Plasma/Serum Input Volume10 μL
Maximum Plasma/Serum Input Volume200 μL
Size of RNA PurifiedAll sizes including small RNA (<200 nt)
Size of DNA Purified≥ 50 bp
Minimum Elution Volume10 μL
Maximum Elution Volume 25 μL
Time to Complete 10 Purifications15-20 minutes
Average YieldVariable depending on specimen

 Note: Do not exceed the recommended sample input volume of 200 µL.

Storage Conditions and Product Stability

All solutions should be kept tightly sealed and stored at room temperature. This kit is 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.

ComponentCat. 55200 (50 preps)
Lysis Buffer A30 mL
Wash Solution A38 mL
Solution WN18 mL
Elution Solution A6 mL
Elution Buffer B8 mL
Micro Spin Columns50
Micro-Elute RNA Spin Columns50
Collection Tube100
Elution Tubes (1.7 mL)100
Product Insert1

DBCO-PEG8-PFP ester

DBCO-PEG8-PFP ester is a PEG reagent comprising a DBCO group which can react with azides for copper-free Click Chemistry reactions. The PFP ester is an active ester which can be used to react with amine groups. PFP esters have been are stable compounds and are less susceptible to undergo hydrolysis. PEG8 linker increases the water solubility of a compound in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Food DNA Isolation Kit

Overview

  • Isolate DNA from a wide range of food materials. (e.g boiled, fluid, processed or raw food products)
  • No hazardous chemicals required (e.g. phenol or chloroform)
  • Effective lysis with Proteinase K and optional lysozyme treatment
  • Fast (less than 15 minutes hands-on time) and convenient processing using a rapid spin-column format
  • Wide compatibility with a variety of food products for GMO-DNA isolation
  • Universal protocol for food related pathogen DNA isolation (Gram positive and Gram negative)

This kit provides a rapid spin column method for the isolation and purification of total DNA from a wide range of food samples originating from animals or plants. The kit is designed for identification of GMO-DNA or animal components in food and feed and can be used for a wide range of starting materials including raw or processed food, meat, liquids, sauces and dairy products including milk, cheese and yogurt.

This kit also provides a convenient method for the detection of food-related pathogens and will isolate such DNA (enriched or as is) including Gram-positive bacteria, Gram-negative bacteria, yeast and fungi which may contaminate food sources.  A number of pathogens have been tested including E. coli O157:H7, Staphylococcus, Listeria monocytogenes, Salmonella enterica & Campylobacter jejuni.  The purified DNA is of the highest integrity, and can be used in a number of downstream applications including PCR based detection, sequencing and genotyping.  

Details

Supporting Data

Figure 1 / 3

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Figure 1.  Isolate DNA from a Wide Range of Food Samples
Figure 1.  Isolate DNA from a Wide Range of Food Samples
Figure 2.  High Purity of DNA
Figure 3.  High Quality DNA free from PCR Inhibitiors

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Kit Specifications
Maximum Column Binding Capacity50 μg
Maximum Column Loading Volume650 μL
Maximum Amount of Starting Material:
Solid food material
Liquid sample (e.g. milk or concentrated juice)
 
200 mg
1 mL to 1.5 mL
Time to Complete 10 Purifications45 minutes

Storage Conditions and Product Stability
All solutions should be kept tightly sealed and stored at room temperature. This kit is stable for 1 year after the date of shipment. The kit contains a ready-to-use Proteinase K, which is dissolved in a specially prepared storage buffer. The buffered Proteinase K is stable for up to 1 year after the date of shipment when stored at room temperature.

Samples Tested by PCR

Food MaterialsSamples that Have Been Tested by PCR
Plant relatedCereal, Jam, Chocolate, Spices, Sauce
Animal relatedRaw and processed meat products (e.g. ham, beef jerky, taco seasoned ground beef, pork and sausage)
Dairy productMilk, Yogurt, Cheese
Pathogens (enriched from food samples)E. coli O157:H7 from food sample
Staphylococcus from milk
Listeria monocytogenes from milk
Salmonella enterica from raw meat
Campylobacter jejuni from milk
ComponentCat. 54500 (50 preps)
Lysis Buffer L60 mL
Binding Buffer I7 mL
Buffer SK30 mL
Wash Solution A18 mL
Elution Buffer B8 mL
Proteinase K1 vial
Spin Columns50
Collection Tubes50
Elution Tubes (1.7 mL)50
Product Insert1