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Forum: Illumina/Solexa 08-16-2019, 01:35 PM
Replies: 2
Views: 208
Posted By itstrieu
I ran into a similar issue recently. If you have...

I ran into a similar issue recently. If you have the Dx version of the NextSeq, there is a software update that can do FASTQ generation on the machine similar to the MiSeq.

The other option is a...
Forum: Sample Prep / Library Generation 08-14-2019, 08:06 AM
Replies: 1
Views: 186
Posted By itstrieu
How many cycles did you use for the PCR reaction?...

How many cycles did you use for the PCR reaction? It might be that your primers are exhaust and your PCR products are annealing to each other. See this link:...
Forum: Sample Prep / Library Generation 07-10-2019, 11:41 AM
Replies: 3
Views: 442
Posted By itstrieu
SS XT Low Input has a similar workflow to HS....

SS XT Low Input has a similar workflow to HS. After library prep, 1000 ng was inputted into hybridization. Other places where I see can affect yield is lost of the capture beads during the washing...
Forum: Sample Prep / Library Generation 07-09-2019, 11:43 AM
Replies: 3
Views: 442
Posted By itstrieu
Which library and capture kit are you using? I...

Which library and capture kit are you using? I tested the Exon V7 probes with SureSelectXT and SureSelectXT HS a while back. XT gave >50 nM while XT HS gave around 10 nM. Started with 200 ng as the...
Forum: Sample Prep / Library Generation 05-24-2019, 12:04 PM
Replies: 12
Views: 1,132
Posted By itstrieu
The only two things I can think of is DNA in...

The only two things I can think of is DNA in buffers containing high concentrations of EDTA, other chelating agents or salts may inhibit the
end repair and A-tailing reaction. The other is something...
Forum: Sample Prep / Library Generation 05-24-2019, 10:52 AM
Replies: 12
Views: 1,132
Posted By itstrieu
Is the workflow ER,AT, Ligation --> 0.8X...

Is the workflow

ER,AT, Ligation --> 0.8X bead cleanup --> Elute in 25 uL follow by Library Amplification --> Post-amplification Cleanup using 1x bead? With the concentration being 100ng/uL, how...
Forum: Sample Prep / Library Generation 05-24-2019, 08:23 AM
Replies: 12
Views: 1,132
Posted By itstrieu
I am assuming you are doing the PCR-free...

I am assuming you are doing the PCR-free workflow? What was the input concentration and the concentration after final clean-up. You might have to increase your input concentration or do a PCR step to...
Forum: Illumina/Solexa 03-07-2019, 09:42 AM
Replies: 5
Views: 846
Posted By itstrieu
Which library prep and capture kit are you using?

Which library prep and capture kit are you using?
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