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DNA Synthesis Facility

Custom Oligonucleotide Pricing and Scales

Below is a table showing pricing and other information for the types of oligonucleotide synthesis scales offered. To get specific information for a particular synthesis scale, click on the header for that scale. You will then be linked to ordering directions and information specific to that synthesis scale. Note that while only the 50 nmol "unpurified" PCR/sequencing oligos undergo routine quality control (QC) by Mass Spectrometry, this procedure can be carried out on any oligo the customer desires (including those not synthesized at this facility). The charge for this service is $5.00, and a hard copy of the data is provided. Also note that the 50 nmol (<60mer) purified synthesis scale at the Biotech Center requires an additional cartridge purification step, so there is a $5.00 charge for purification of these small scale oligos. In all other cases, an additional cost of $25 is assessed for cartridge purification and a base of $60 for HPLC. If you have questions please call the facility at 608-263-9882.


Synthesis Scale $/base Purification Set-up Cost Avg. Yield for 20-mer Quality Control
50 nmol $0.30 Cartridge Purified $6.00 ($5 for purification plus $1 for column) 10-30 O.D. Mass Spec
40 nmol (requested or modified) $1.00 (plus modifier charge if applicable) Desalted, Cartridge*,HPLC on request $5.00 4-7 O.D. PAGE,
Stepwise
Monitor
200 nmol (Standard or modified) $1.25 (plus modifier charge if applicable) Desalted, Cartridge*,HPLC on request $5.00 15- 25 O.D. PAGE,
Stepwise
Monitor
50nmol (Desalted for PCR/seq) $0.30 Desalted $1.00 25-50 O.D. Mass Spec
1.0 micromol (Standard or modified) $2.50(plus modifier charge if applicable) Desalted, Cartridge*,HPLC on request $5.00 80- 120 O.D. PAGE,
Stepwise
Monitor

*not recommended for >50-mers


50nmole (Desalted for PCR/Seq)

A newer higher throughput oligonucleotide synthesizer now on site at the UW DNA synthesis facility allows us to make smaller scale oligos at a greatly reduced price. These oligos are not purified at all, and are designed for use primarily in PCR and sequencing reactions. The Biotech Center uses these oligos regularly for in house sequencing and PCR projects. Unlike the previous instrument we at the Biotech Center will quantify ALL syntheses. Presently we are charging $0.30/base, which includes desalting AND QC (there is a $1.00 set-up fee here to cover the cost of the synthesis column). No modifications are available with this option, but unlike the previous instrument mixed bases ARE available. We are having routine success with 60-mers thus far, so the old length restrictions have been lifted. Again, mass spec is done on all oligos at this scale, and there is no additional cost for this quality control analysis--it is built into the pricing. No hard copy of the results is routinely generated or provided to the user, but as with other synthesis options it is available for a small fee. Click here on Mass Spectrometry for more information about the utility of this analysis procedure. Ordering is carried out in a slightly different manner for this option.

To Place an Order:

  • Online: Go to the Online Order Form.  You need to specify the service option desired only (specifically, "50 nmole desalted/PCR or Sequencing). We now only offer one option for these orders...we will quantify ALL orders in-house, the price is still $0.30/base with a $1.00 set-up fee.   Orders are supplied to the user lyophilized and with the nanomoles/vial listed for the user. You can also click on this on-line Oligo Calculator if you want to convert to another concentration description.

50 nmole (Cartridge Purified)

All orders placed for this option will be cartridge purified as part of the cost, an additional $6.00 relative to the 50 nmole non-purified is added.  The instrument does NOT have a built in purification, so we at the Biotech Center manually do a RP cartridge purification on requested oligos. This is preferred for site-directed mutagenesis work and raises signal to noise ratio in numerous molecular biology applications. On the customer copy the total nanomoles/vial and micromoles are provided for each oligo. We lyophilize the product after elution because of the toxicity of ACN and the fact it will degrade the oligos over time. Turnaround time for this option is typically 24-36 hours, if the order is received before 3:00 P.M. Users are notified by telephone or e-mail when their order is ready.

To Place an Order:

  • Online: This is the sole method of ordering and will result in the shortest turn around time; simply click on the Online Order Form here or at the bottom of this page to place an on-line oligo order, fill in the appropriate user information and then click on "50 nmole purified" for desired scale. Once that is done, choose the range for the total number of oligos desired, Go to the "Next" page and enter the names and sequences needed, then be sure to Submit. 

 

40 nmole (>60-mer or Modified)

All modified oligos (for a list of some of the available modifications and pricing information, click on Modifications) will be made on an ABI 394 which does not include a purification step, unless requested. There is a $5 set-up fee per oligo. If a modification is desired, note this in the sequence using a "Z" to designate the modified base, and make a second note of it in the "Comments" section of the oligo order form. Multiple modifications within a single oligonucleotide can be requested using W, X, or Y at the appropriate position within the sequence. The oligonucleotides synthesized in this option are analyzed by Mass Spectrometry. In addition, the synthesis of these oligos is analyzed at each step by an integral trityl monitor in the synthesizer, so failures are usually detected right away. At a cost of $5 to the user the Biotech Center can run a Mass Spec Analysis of the DNA and provide a hard copy of the output. For more information about this, click here on Mass Spectrometry. These oligonucleotides can be cartridge purified for $25 (needs to be denoted in the "Comments" section) or HPLC purified for $50 (simply click on the button in the order form.  Yield is decreased with purification. If you have any questions regarding purification simply click on Cartridge Purification. Turnaround time for this option is approximately 2-3 days, but can vary depending on modifier availability.

  • Online: This is the sole method of ordering.  Simply click on the Online Order Form here or at the bottom of this page to place an on-line oligo order, fill in the appropriate user information and then click on "40 nmole" for desired scale.  Once that is done, choose the range for the total number of oligos desired, Go to the "Next" page and enter the names and sequences needed, then be sure to Submit.  It is important to note that once a modification (Y,Z, etc.,) has been added the user will need to denote the modification in the "Comments" section at the bottom of the order form.  Once an oligo of length >60-mer is entered the computer assumes that NO cartridge purification is desired, unless of course the user expicitly requests it in the "Comments" section.

200 nmole (Standard or Modified)

Synthesis of oligonucleotides at this larger scale, either plain or modified (for a list of some of the available modifications and pricing information, click on Modifications) will be made on an ABI 394 which does not include a purification step. There is a $5 set-up fee per oligo. If a modification is desired, note this in the sequence using a "Z" to designate the modified base, and make a second note of it in the comments section of the oligo order form. Multiple modifications within a single oligonucleotide can be requested using W, X, or Y at the appropriate position within the sequence. The oligonucleotides synthesized in this option are analyzed by polyacrylamide gel electrophoresis (PAGE) to insure that laddering of the DNA (indicating synthesis failures) is minimal. In addition, the synthesis of these oligos is analyzed at each step by an integral trityl monitor in the synthesizer, so failures are usually detected right away. At a cost of $5 to the user, the Biotech Center can run a Mass Spec Analysis of the DNA and provide a hard copy of the output. For more information about this, click here on Mass Spectrometry. These oligonucleotides can be cartridge purified for $25 or HPLC purified for a $50 base cost, but we need to know this before synthesis is initiated so indicate it by clicking the relevant request on the order form. Yield is decreased with purification. If you have any questions regarding purification simply click on Cartridge Purification. Turnaround time for this option is approximately 2-3 days, but can vary depending on modifier availability.

To Place an Order:

  • Online: This is the sole method of ordering.  Simply click on the Online Order Form here or at the bottom of this page to place an on-line oligo order, fill in the appropriate user information and then click on "0.2 micromole" for desired scale.  Again, if any purification is needed be sure to click the appropriate button on the order form.  Once that is done, choose the range for the total number of oligos desired, Go to the "Next" page and enter the names and sequences needed, then be sure to Submit.  It is important to note that once a modification (Y,Z, etc.,) has been added the user will need to denote the modification in the "Comments" section at the bottom of the order form.

1 micromol (Standard or Modified)

For very large quantities of DNA, the Biotech Center has available a 1.0 micromol scale synthesis for the users. Large-scale syntheses are available with the same assortment of modifications as the 40 and 200 nmole standard oligos, so when ordering use the same forms. There is a $5 set-up fee per oligo. If a modification is desired, note this in the sequence using a "Z" to designate the modified base, and make a second note of it in the comments section of the oligo order form. Multiple modifications within a single oligonucleotide can be requested using W, X, or Y at the appropriate position within the sequence. The oligonucleotides synthesized in this option are analyzed by polyacrylamide gel electrophoresis (PAGE) to insure that laddering of the DNA (indicating synthesis failures) is minimal. In addition, the synthesis of these oligos is analyzed at each step by an integral trityl monitor in the synthesizer, so failures are usually detected right away. At a cost of $5.00 to the user, the Biotech Center can run a Mass Spec Analysis of the DNA and provide a hard copy of the output. For more information about this, click here on Mass Spectrometry. These oligonucleotides can be cartridge purified for $25.00, but we need to know this before synthesis is initiated so indicate it in the "Comments" section of the order form. Yield is decreased with purification. If you have any questions regarding purification simply click on Cartridge Purification. Turnaround time for the 1.0 micromol option is approximately 2-3 days, but can vary depending on modifier availability.

To Place an Order:

  • Online: This is the sole method of ordering.  Simply click on the Online Order Form here or at the bottom of this page to place an on-line oligo order, fill in the appropriate user information and then click on "1.0 micromole" for desired scale.  Again, if any purification is needed be sure to click the appropriate button on the order form.  Once that is done, choose the range for the total number of oligos desired, Go to the "Next" page and enter the names and sequences needed, then be sure to Submit.  It is important to note that once a modification (Y,Z, etc.,) has been added the user will need to denote the modification in the "Comments" section at the bottom of the order form.