Single-stranded DNA (ssDNA)

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Overview
Recent research highlights the effectiveness of single-stranded DNA (ssDNA) as a homology-directed repair donor template in CRISPR gene editing. Compared to double-stranded DNA (dsDNA), ssDNA significantly boosts editing efficiency, reduces off-target effects. Its versatility extends to various biological reactions, particularly in DNA nanotechnology applications.
 
In CRISPR and CRISPR-Cas9 genome editing experiments, long ssDNA serves as a potent donor template, enhancing both insertion and gene replacement efficiency. Its utility extends to single-strand conformation polymorphism, in vitro transcripti studies, nucleic acid enzyme S1 mapping, probe preparation, labeling, and differential hybridization.
 
Beyond laboratory experiments, ssDNA plays a role in DNA nanotechnology, where it serves as a scaffold for drug delivery, molecular diagnostics, DNA-based data storage, and diverse nanoscale applications. With a lower risk of random integration, ssDNA is particularly suitable for gene editing in primary cells, stem cells, and the creation of genetically modified animal models.
 
To support these advancements, Tsingke now offers high-quality, sequence-validated ssDNA to optimize the efficiency of CRISPR experiments. Our ssDNA synthesis service ensures reliability and accuracy, empowering researchers in their gene editing endeavors.
Advantages
Tsingke Single-Stranded DNA (ssDNA) synthesis service offers a broad synthesis range, producing ssDNA up to 6000 nt. Our ssDNA synthesis products could enhanc homologous recombination and knock-in efficiency while minimizing cytotoxic effects. Additionally, our ssDNA synthesis provides a remarkable 9-fold higher CRISPR/Cas9 gene knock-in efficiency compared to dsDNA as a homologous recombination template. Trust and experience Tsingke for superior ssDNA service tailored to your research needs.
Wide Synthesis Range
Offering the synthesis of ssDNA
up to 6000 nt
Low Cytotoxicity
Achieve higher homologous recombination and knock-in efficiency, minimizing cytotoxic effects




High Editing Efficiency
9-fold higher CRISPR/Cas9 gene knock-in efficiency than dsDNA as a homologous recombination template

Service Details

Tsingke ssDNA synthesis service offers a flexible and efficient solution for researchers requiring ssDNA, producing up to 6000 nt. Our ssDNA synthesis service ensures timely delivery, with turnaround times ranging from 10 to 32 business days, depending on the length of the ssDNA. Each order includes comprehensive deliverables such as lyophilized product powder, sequencing maps, target sequences, and an electronic COA report. Trust Tsingke for reliable ssDNA products and experience the convenience of our ssDNA synthesis service tailored to your specific research needs.

Length (nt)

Turnaround time (Business Day)

Deliverables

101~240

10

Lyophilized Product Powder; 
Sequencing map (.abl file);
Target sequence (.seq file);
COA Report(electronic).

241~1000

15

1001~3000

22

3001~4000

28

4001~5000

32

>5000

Evaluation

Workflow
sequence analysis & codon optimization
Sequence Optimization
sequence analysis & codon optimization
design & synthesis
Oligo Synthesis
design & synthesis
ssDNA synthesis
Single-Stranded DNA Synthesis
ssDNA synthesis
Sanger sequencing
Quality Control
Sanger sequencing
ship the lyophilized powder
Delivery
ship the lyophilized powder
Case
Figure 1: 94% Purity Test
Figure 2: 99.3% Purity Test
Related Resource
FAQ
What are the storage conditions for ssDNA?
We recommended to use the lyophilized powder within 1-2 weeks of receipt:
a. Store at -80°C for 6-12 months.
b. Store at -20°C for 3-6 months.
c. Store at - 4°C for 1-3 months.
What is the length range for ssDNA synthesis service?
Tsingke can synthesize single-stranded DNA from 101 to 6000 nt
Can Tsingke add special modifications?
Yes, Tsingke can add special modifications such as FAM, HEX, Biotin, Phosphorthioate, Phosphorylation, BHQ1, m5C, and others.
Does ssDNA contain substances like DTT or EDTA?
Tsingke uses RNase-Free Wate to dissolve the ssDNA , and the delivered lyophilized powder does not contain substances like DTT or EDTA.
**For Research Use Only. Not for use in diagnostic procedures.
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