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QuinDirect Cloning and Custom Cloning
Plasmid Preparation

Fast turnaround, strict QC

Home Services Molecular Biology Plasmid Preparation
Overview

Quintara Biosciences provides reliable, high-quality plasmid preparation services tailored to meet both research and production-scale needs. Our QuinDirect Plasmid prep is engineered for reliability, with a unique yield guarantee that ensures you receive the exact amount of high-quality plasmid DNA required to advance your research without delay. The processes of QuinUp plasmid prep are designed for scalability, delivering from Mini-preps for initial validation to large-scale production-grade Giga-preps.


To ensure the highest standards, every plasmid undergoes rigorous QC testing. Clients can choose from over 10 different QC analyses to create a custom verification package. This flexibility, combined with our efficient workflows, ensures not only rapid delivery but also unwavering quality and dependability.



  • 2026 New Year Promotion

    -New Customer

     

    Offer:

    20% off QuinUp Plasmid prep for new customers ordering through QuinGo online portal.


    Terms and Condition:

    ・The promotion is applied for the customers who never order QuinUp Plasmid prep service at Quintara before.

    ・You can get promotion price when you place the first QuinUp preps order using the promo code”PlasmidNew”, and the price starts from $7.99/construct.

    ・The discount is only applied for plasmid preps, add-ons are not included.

    ・The promotion is valid until Jan 31,2026 .

    ・Quintara reserves all rights to this promotion.

Need help with a custom order?
Workflow

Our cutting-edge Plasmid DNA Preparation Services are focused on quality, customizationand expertise. We can screen colonies directly from agar plates, verify your plasmids’ sequences and provide you with µg to mg quantities of your constructs.

Our services provide seamless scalability, rigorous quality control, and expert guidance, ensuring your scientific endeavors thrive in the ever-evolving landscape of molecular innovation.


Services

QuinDirect Plasmid Prep Service is bundled with gene synthesis

  • Fast Turnaround

    Fast Turnaround

  • undefined

    Targeted guraranteed yield

  • undefined

    10 QC testing

  • undefined

    Tailored Service

Research Grade
QuantityTurnaround Time
business day
100 μg2 ~ 3
200 μg2 ~ 3
500 μg2 ~ 3
1 mg3 ~ 5
2 mg3 ~ 5
10 mg(High-copy)5 ~ 7
10 mg(Low-copy)5 ~ 7
>10mgInquiry
Transfection Grade
QuantityTurnaround Time
business day
100 μg2 ~ 3
200 μg2 ~ 3
500 μg2 ~ 3
1 mg3 ~ 5
2 mg3 ~ 5
10 mg(High-copy)5 ~ 7
10 mg(Low-copy)5 ~ 7
>10mgInquiry


* The turnaround time applies for the step of plasmid prep.


SpecificationResearch GradeTransfection Grade
AppearanceColorless, clear, free of precipitation or foreign particles
Sequence AccuracySequencing verification matches the order requirements
A260/2801.8-2.0
A260/230≥2.0
Supercoiled ContentSupercoiledPredominately≥80%
Residual RNANot visible on agarose gel electrophoresis
E. coli Genomic DNA<15% on agarose gel electrophoresis
Restriction AnalysisDNA bands with expected sizes detected by agarose gel electrophoresis
Endotoxin LevelEndotoxinLow≤0.01EU/ug
Bio-Burden TestNo viable microorganisms in/on culture media

QuinUp Plasmid Prep Service is stand-alone service, need customer send the template to us.

  • Same day pickup/shipping

    Same day pickup/shipping

  • Fast Turnaround

    Fast Turnaround

  • Local Production

    Local Production

  • Flexible QC options

    Flexible QC options


Plasmid TypeQuantity (High Copy)Quantity (Low Copy)Turnaround Time
business day
Miniprep5-10ug2ug1
Midi - prep - TG (Low Endotoxin)100-200 μg20 μg3
Maxiprep - TG (Low Endotoxin)300-500 μg50 μg4
Megaprep - TG#1 (Low Endotoxin)0.8-1 mg500 μg4
Megaprep - TG#2 (Low Endotoxin)1.5-2 mg1 mg5
Gigaprep - TG (Low Endotoxin)4-5mg2 mg5


* The turnaround time applies for the step of plasmid prep.


ItemsSpecificationMini PrepMidi and Above
AppearanceClear, no visible particles
A260/2801.8 - 2.0
A260/230≥2
LabelCorrect and white
ConcentrationBy UV Spectroscopy
Sterility TestNo growth in blank media after 48 hours
Concentration NormalizationThe error range is within 5%add
Restriction AnalysisConforms to referenceaddadd
Endotoxin TestVerified (Suggest for Endo - Free Preps)addadd
Sanger SequencingCorrectaddadd
WPS StandardCorrectaddadd
Bacterial Glycerol StockShippedaddadd
AliquotTurnaround dependent on # of aliquotsaddadd


Starting Materials
Resources

Quintara Service Check List

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Gene Synthesis and Cloning

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Plasmid Preparation

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3 Free Samples for New Customer

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