31 05, 2016

London Calling: nanopores updated

By | May 31st, 2016|Categories: Nanopore sequencing|4 Comments

I did not arrive at London Calling until late on Thursday afternoon but what an excellent start I was given: Clive Brown’s update – where ONT are today, and what’s coming tomorrow! The Thursday afternoon, evening and Friday sessions created a palpable buzz in the […]

23 05, 2016

Increased read duplication on patterned flowcells- understanding the impact of Exclusion Amplification

By | May 23rd, 2016|Categories: Uncategorized|5 Comments

Next-generation sequencing is fantastic technology and its use has revolutionised our understanding of biology, but it is not perfect, multiple issues occur in every lab from sample extraction through to the actual sequencing. Not all of these are well enough understood to be safely ignored […]

19 05, 2016

Happy 10th birthday NGS!

By | May 19th, 2016|Categories: Next-generation sequencing|5 Comments

NGS is 10…according to the latest Nature Reviews Genetics: Coming of age: ten years of next-generation sequencing technologies. Just by chance I was asked to give a talk to explain how Illumina sequencing works in a technology seminar series being delivered by the Core Heads […]

3 05, 2016

How many reads to sequence a genome?

By | May 3rd, 2016|Categories: Uncategorized|2 Comments

Last year I posted about the Lander-Waterman equation used to calculate the number of reads needed to sequence a sample. I explained that this general equation (C = LN/G) can be rearranged to allow you to compute the number of reads (N) to sequence a […]

29 04, 2016

SPRI alternatives for NGS

By | April 29th, 2016|Categories: Uncategorized|8 Comments

SPRI beads, generally in the form of AMPureXP beads, are almost ubiquitous in genomics applications such as library prep for NGS. The most popular thing I’ve ever written was a post on this blog four years ago: “How do SPRI beads work?” with almost 100,000 […]

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