Enzymes & Buffers

(49 products)

What are Enzymes & Related Buffers?
Enzymes are highly specialized protein catalysts that accelerate specific biochemical reactions with exceptional precision and efficiency. In molecular biology and diagnostics, they are indispensable for manipulating and analyzing nucleic acids. Related buffers are precisely formulated solutions that maintain critical reaction parameters—such as pH, ionic strength, and cofactor concentrations—to ensure optimal enzyme activity and stability. Together, they form the foundational core of reproducible and robust molecular assays.

Production and Quality Control:

  • Enzyme Engineering and Production: Our enzymes (e.g., high-fidelity DNA polymerases, restriction endonucleases, ligases, nucleases) are produced using recombinant expression systems, followed by multi-step purification (e.g., affinity chromatography, FPLC/HPLC) to remove non-specific activities and ensure ultra-high purity.
  • Buffer Optimization and Formulation: Our buffers are scientifically designed and rigorously tested. Each buffer is optimized for a specific enzyme and application, containing precisely balanced components such as Tris-HCl, Mg²⁺, KCl, detergents, stabilizers, and reducing agents to maximize performance and shelf-life.
  • Stringent Quality Assurance: Every enzyme batch is validated for activity, specificity, and absence of contaminating nucleases or proteases. Buffers are tested for pH consistency, osmolarity, and lot-to-lay reproducibility.

Role in Molecular Synthesis and Diagnostics:
These components are used across countless procedures:

  • Nucleic Acid Amplification: Enzymes like thermostable DNA polymerases drive PCR, isothermal amplification (e.g., LAMP, RPA), and cDNA synthesis.
  • DNA Modification: Restriction enzymes, ligases, kinases, and phosphatases are essential for cloning, fragment assembly, and probe generation.
  • Hybridization-Based Detection: Specific nucleases are used in probe-based assays for signal amplification or background reduction.

Our Advantages

We provide enzymes and matched buffers that deliver exceptional performance, reliability, and value to research, diagnostic, and therapeutic development:

Superior Enzyme Purity and Performance

Our enzymes are rigorously purified (mostly ≥95%) to eliminate all non-specific activities, ensuring high yields, minimal false positives/negatives, and excellent performance even in complex samples (e.g., blood, soil, FFPE).

Precision-Matched Buffer Systems

Each enzyme is supplied with an optimized buffer that is exhaustively validated to deliver maximum activity, processivity, and stability—eliminating the need for laborious optimization and ensuring reproducible results.

Exceptional Lot-to-Lot Consistency

Our stringent manufacturing and quality control processes guarantee that every batch performs identically, which is critical for assay standardization, regulatory submissions, and long-term study reproducibility.

Custom Formulation & Scalability

We offer custom enzyme engineering (e.g., mutant polymerases with desired properties) and buffer formulation services, supporting projects from research scale to GMP-compliant commercial production.

Applications of Our Succinates

Our products are essential enabling tools powering innovation across a vast spectrum of applications:

In Vitro Diagnostics (IVD) & Molecular Testing

  1. PCR-based Diagnostic Kits: High-fidelity polymerases and master mixes for the sensitive detection of pathogens (e.g., SARS-CoV-2, HIV, HPV), genetic mutations, and cancer biomarkers.
  2. Isothermal Amplification: Enzymes for rapid, point-of-care (POC) diagnostic tests that do not require thermal cyclers.
  3. NGS Library Preparation: Enzymes for DNA shearing, end-repair, dA-tailing, and adapter ligation are critical for preparing high-quality sequencing libraries.

Biomedical Research & Drug Discovery

  1. Cloning and Synthetic Biology: Restriction enzymes, ligases, and recombinases for constructing plasmids and engineered genetic circuits.
  2. Gene Editing: Enzymes like Cas9 and associated reagents for CRISPR-based genome editing and screening.
  3. Functional Genomics: Enzymes used in RNA sequencing, ChIP, and other techniques to study gene expression and regulation.

Biopharmaceutical Development & Quality Control

  1. Vaccine and Therapeutic Development: Enzymes for the production and quality control of mRNA vaccines, viral vectors, and other biologics.
  2. Biosafety Testing: Highly specific enzymes and buffers are used in assays to detect residual host cell DNA in biopharmaceutical products.

Forensics & Applied Sciences

  1. DNA Fingerprinting: Restriction enzymes and amplification kits for human identification and forensic analysis.
  2. Food Safety and Environmental Monitoring: Detection of foodborne pathogens (e.g., E. coli, Salmonella) or environmental contaminants via targeted molecular assays.
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    pfu DNA polymerase

    Catalog No.: ON-051

    Purity: ＞95% by SDS-PAGE

    Source: Recombinant E.coli

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