t-Boc-N-Amido-PEG4-propargyl

The Multiplexing Index Primers contain primer mix for multiplexing library samples for Next Generation Sequencing (NGS) on the illumina platform. Multiplexing of NGS library samples will reduce sequencing costs by pooling multiple NGS libraries into a single flow cell lane.

With library multiplexing, unique index sequence is added to individual sample during NGS library preparation.  Therefore, each DNA molecule can be identified after pooling of multiple samples based on the index information they have.

Each of our index primers contains a unique index sequence with 6 bases that can be used to identify libraries. Library multiplexing up to 48 samples is possible.

Multiplexing Index Primers (illumina platform): Even distribution of 48 samples using index primers. 48 libraries were made using the BioDynami NGS DNA Library Prep Kit (Cat. # 30009) and the BioDynami Multiplexing Index Primers (Cat. # 30072). Libraries were pooled at equal concentration and sequenced on the illumina HiSeq 2500. The numbers of reads from 48 libraries were analyzed.

List of index sequence for the primers (each of the index primer mix contains universal primer and one of the index primers). Index number and the index sequence are listed.

List of indexes can be downloaded Here.

Sequence of the final library with index location:

The Multiplexing Index Primers contain primer mix for multiplexing library samples for Next Generation Sequencing (NGS) on the illumina platform. Multiplexing of NGS library samples will reduce sequencing costs by pooling multiple NGS libraries into a single flow cell lane.

Introduction

Usages：
Determination of coliform and fecal coliform for multiple tube fermentation.
 
Principle:
Tryptone provide carbon and nitrogen sources to meet the needs of bacterial growth; sodium chloride osmotic pressure balance can be maintained; Lactose is a coliform fermentable sugars; potassium dihydrogen phosphate and dipotassium phosphate is a buffer; lauryl sodium can inhibit the growth of non-coliform bacteria.
 
Formulation (per liter):
Trypticase:20g
Sodium chloride: 5g
Lactose:5g
Potassium dihydrogen phosphate: 2.75g
Dipotassium hydrogen phosphate :2.75g
Sodium lauryl sulfate 0.1g
Final pH6.8 ± 0.2
 
How to use:
1. Suspend 35.6g of the product, adding 1 L of distilled or deionized water, heated to boiling stirring until completely dissolved, packed in a test tube with a small down tube, 121 ℃ autoclave 15min, leave to cool to room temperature, standby .
2.Sample handling and dilution.
3.Selected three consecutive dilution, each dilution was inoculated three LST broth tubes, each tube was inoculated 1mL.
4. Put the tubes in an incubator 36 ± 1 ℃ cultured for 48 ± 2h.
5. Observe the results. if all LST broth don’t pruduse gas, can be reported as negative for E. coli, if  gas production then will have to make further confirmed by experiments.
 
Quality control:
Quality control strains were inoculated and culuture at 36 ± 1 ℃ for 24h ,results are as follows:
Bacterial Name                 Bacterial No.          Growth Status       Gassing
Escherichia coli                ATCC25922               good              +
 
Salmonella typhimurium        CMCC (B) 50115            good             —
 
Staphylococcus aureus          ATCC6538                inhibited          —
 
 
Storage: Store in a dark, cool and dry place, tighten the cap immediately after use. Storage period of three years.
 
Specifications: 250g/bottle

250g

N-(Propargyl-PEG4-carbonyl)-N-bis(PEG1-acid) is a crosslinker that can react with azide compounds or biomolecules via copper catalyzed Click Chemistry to form a stable triazole linkage. The terminal carboxylic acids can react with primary amino groups in the presence of activators (e.g. HATU) to form a stable amide bond.

N-(Propargyl-PEG4-carbonyl)-N-bis(PEG1-acid) is a crosslinker that can react with azide compounds or biomolecules via copper catalyzed Click Chemistry to form a stable triazole linkage. The terminal carboxylic acids can react with primary amino groups in the presence of activators (e.g. HATU) to form a stable amide bond.