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Deep Sequencing Services

Image of HiSeq instrumentDSCL instruments include the Illumina NovaSeq 6000, MiSeq, and MiSeqDx.
MiSeq flowcells have a single lane, and their paired-end runs can be customized with asymmetric reads.  These have a minimum read length of 25bp, and a maximum that depends on the chemistry version. Contact the Core for more info.
Single or Dual Multiplexing is available on all platforms (see section below).

Current Run Options:

Instrument Single Read
Run Length (bp)
Run Length (bp)
NovaSeq 6000 SR 100 PE 50 x 50
PE 100 x 100
PE for Chromium 10X (<=138 cycles)
PE 150 x 150 (whole flowcell only)
MiSeq and MiSeqDx SR 50
SR 100
SR 150
(Contact us for pricing and availability of read lengths not listed.)
PE 25 x 25
PE 100 x 100
PE 150 x 150
PE 250 x 250
PE 300 x 300
Asymmetric (min. 25 bases each read)

If you are unsure about which instrument or run type you want, we recommend contacting the Core to discuss your project needs with Core Lab staff.
Sequencing results from all Core Lab instruments are intended for research purposes only.

Library Construction
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Library construction services provided by the Core (through the MBCL) include conversion of DNA or RNA into ligated & indexed Illumina libraries, size-selection, and QC by Fragment Analyzer and/or any other means necessary. Please go to the MBCL's Library Prep Service page for more information or email to discuss your project. The library prep ticket can be found in the Documents section of the Sample Submission page.

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Indexed/multiplexed/barcoded libraries can be mixed together and run in a single lane if you do not need the maximum amount of depth available. "Illumina-style" indexes are located between the P7 or P5 linker and associated adapter, and require a separate read. "Inline barcodes", on the other hand, are read as part of your insert (not an index read), and require base-balancing. For very high-throughput instruments like the NovaSeq, dual 8bp indexing or better is strongly recommended. See the Sample Submission and Resources pages for more details about library structure.
The Core will demultiplex your libraries after the run provided that you send a list of sample names and indexes.

Equipment at the Core
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Here is a list of the equipment owned by the Core. The equipment is not available for general use, but if you need it and it is not listed as a Core Service, you can email to discuss the possibility of a custom service from the Core.

Pricing and Payment Policy
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Please email to get a quote for your desired services.

Processing and analyzing a sample requires time and reagents. Payment for these services is the responsibility of the user submitting the sample and should be rendered in a timely fashion. In the event of a reagent or equipment failure, the samples will be rerun at the next possible opportunity at no additional charge.

Clients withdrawing samples prior to the analysis run will be charged a fee to recover QC assay costs. For the return of archived post-analysis samples, clients will be charged a delivery fee per sample.

A signed submission ticket or email authorization indicates that the holder of the account to be charged consents to payment in accordance with this policy.

Inclement Weather Policy
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In case of extreme and/or inconvenient weather or campus closures, the machines will still be running but we may not be here for sample login or pickup. Please email us to arrange for sample drop-off if the weather is questionable. The DSCL, MBCL, & PBCE are closed when UMass Chan is on "inclement weather alert".

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