Enzymes and Reagent Packs

Items 1 to 10 of 11 total


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  • Nitrate Reductase: YNaR

    Nitrate Reductase: YNaR

    $20.00
    Learn More

    Product ID: YNaR-#U

    Recombinant Yeast NAD(P)H Nitrate Reductase (YNaR)

    One unit reduces 1 micromol nitrate/minute @ 25°C. 

    Supplied Freeze-dried with Enzyme Diluent Bulb.

    • For analysis run between 2 – 30°C. 
    • Highly stable in working solution
    • Shelf-life of up to 6 months at room temperature
    • Highest Specific Activity YNaR on the market
    • Utilizes NADH as the electron donor to drive nitrate reduction
    • Small sample size in relation to total assay volume
    • Little sample preparation required
    • High specificity reduces false positives
    • Partially inhibited by NaCl and Organic Acids and Humics, use AtNaR for these conditions

    Please refer to specifications for more detailed information regarding YNaR

    YNaR is available in the following Unit sizes: 
    • 1.0 unit affinity-purified enzyme per vial, Product ID: YNaR-1U
    • 2.0 units affinity-purified enzyme per vial, Product ID: YNaR-2U
    • 3.0 units affinity-purified enzyme per vial, Product ID: YNaR-3U
    • 5.0 units affinity-purified enzyme per vial, Product ID: YNaR-5U
  • YNaR + NADH Reagent Packs

    YNaR + NADH Reagent Packs

    $25.00
    Learn More

    Product ID: YNaR-RPk

    Previously sold as:  NaR-PkY

    1.0 Unit YNaR + NADH Aliquot Packs for your laboratory

    Packs include 1.0 unit of YNaR plus calibrated quantities of reaction cofactors (freeze-dried form)

    Recombinant Yeast NAD(P)H Nitrate Reductase (YNaR)

    • For analysis run between 2 – 30°C. 
    • Highly stable in working solution
    • Each pack sufficient for 20-50 assays, depending on your assay design
    • Manufactured in Pichia pastoris 
    • Shelf-life of up to 6 months at room temperature
    • Highest Specific Activity YNaR on the market
    • Utilizes NADH as the electron donor to drive nitrate reduction
    • Small sample size in relation to total assay volume
    • Little sample preparation required
    • High specificity reduces false positives
    • Partially inhibited by NaCl and Organic Acids and Humics, use AtNaR for these conditions

    Please refer to specifications for more detailed information regarding YNaR

  • Purine Nucleoside Phosphorylase: PNP

    Purine Nucleoside Phosphorylase: PNP

    $20.00
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    Product ID: PNP-#U

    Variable Units Affinity Purified Recombinant Purine Nucleoside Phosphorylase

    NECi Recombinant PNP catalyzes Ortho-Phosphate dependent transfer to ribose with release of free purine base.  One unit produces 1 µmole of hypoxanthine from inoside per minute, at pH 8.0 and 22°C. Supplied freeze-dried with Enzyme Diluent Bulb.

    Affinity Purified Recombinant Purine Nucleoside Phosphorylase

    • CAS #: 9030-21-1
    • Temperature Range in Assay: 15 – 45°C
    • Physical Form:  Freeze-dried protein glass
    • Expected Purity Range: 5 - 15 units/mg protein
    • Recombinantly manufactured in Escherichia coli: Consistent, Reliable
    • Utilizes MESG as the co-factor to accurately quantify phosphate in a sample
    • Small sample size in relation to total assay volume
    • Little sample preparation required
    • High specificity reduces false positives

    Stability Information:

    • Shelf life in freeze-dried, vacuum-sealed packets: Stable indefinitely at -20°C or lower;  Min 24 months at 4°C; Min 12 months at RT (20 – 25°C); 1 week at 30-40°C
    • Shelf life in vials:  12 months + stored cool (4°C or below) and desiccated
    • Shelf life in solution:  Working solution in buffer at 1 U/ml:  > 12 hours at RT and below.  Working solution containing 25% Glycerol:  minimum one year at -20°C.

    Please refer to specifications for more detailed information regarding Recombinant PNP specifications.

    Available in the following Unit sizes:
    •    1.0 unit affinity-purified enzyme per vial, Product ID: PNP-1U
    •    2.0 units affinity-purified enzyme per vial, Product ID: PNP-2U
    •    3.0 units affinity-purified enzyme per vial, Product ID: PNP-3U
    •    5.0 units affinity-purified enzyme per vial, Product ID: PNP-5U
  • PNP +  MESG Reagent Pack

    PNP + MESG Reagent Pack

    $25.00
    Learn More

    Product ID: PNP-RPK

    Recombinant PNP + MESG

    Optimized Balance Supply: Affinity Purified Recombinant Purine Nucleoside Phosphorylase (1.0 Unit) + MESG

    NECi Recombinant PNP catalyzes Ortho-Phosphate dependent transfer to ribose with release of free purine base.  One unit produces 1 µmole of hypoxanthine from inoside per minute, at pH 8.0 and 22°C.  Supplied freeze-dried with Enzyme Diluent Bulb + optimized aliquot of co-factor, MESG. 

    Affinity Purified Recombinant Purine Nucleoside Phosphorylase

    • CAS #: 9030-21-1
    • Temperature Range in Assay: 15 – 45°C
    • Physical Form:  Freeze-dried protein glass
    • Expected Purity Range: 5 - 15 units/mg protein
    • Recombinantly manufactured in Escherichia coli: Consistent, Reliable
    • Utilizes MESG as the co-factor to accurately quantify phosphate in a sample
    • Small sample size in relation to total assay volume
    • Little sample preparation required
    • High specificity reduces false positives

    Stability Information:

    • Shelf life in freeze-dried, vacuum-sealed packets: Stable indefinitely at -20°C or lower;  Min 24 months at 4°C; Min 12 months at RT (20 – 25°C); 1 week at 30-40°C
    • Shelf life in vials:  12 months + stored cool (4°C or below) and desiccated
    • Shelf life in solution:  Working solution in buffer at 1 U/ml:  > 12 hours at RT and below.  Working solution containing 25% Glycerol:  minimum one year at -20°C.

    Please refer to specifications for more detailed information regarding Recombinant PNP.

  • Nitrate Reductase: AtNaR

    Nitrate Reductase: AtNaR

    $20.00
    Learn More

    Product ID: AtNaR-#U

    Recombinant Plant NADH Nitrate Reductase (AtNaR)

    One unit reduces 1 micromol nitrate/minute @ 37°C. 

    Supplied Freeze-dried with Enzyme Diluent Bulb.

    • For analysis run between 20 – 45°C
    • Highly stable in working solution
    • Recombinantly manufactured in Pichia pastoris: Consistent, Reliable
    • Shelf-life of up to 6 months at room temperature
    • Highest Specific Activity AtNaR on the market
    • Utilizes NADH as the electron donor to drive nitrate reduction
    • Small sample size in relation to total assay volume
    • Little sample preparation required
    • High specificity reduces false positives
    • Suited for 3%+ NaCl environments
    • No inhibition by organic or humic acids

    Please refer to specifications for more detailed information regarding AtNaR

    AtNaR is available in the following Unit sizes:
    •    1.0 unit affinity-purified enzyme per vial, Product ID: AtNaR-1U
    •    2.0 units affinity-purified enzyme per vial, Product ID: AtNaR-2U
    •    3.0 units affinity-purified enzyme per vial, Product ID: AtNaR-3U
    •    5.0 units affinity-purified enzyme per vial, Product ID: AtNaR-5U
  • AtNaR + NADH Reagent Packs

    AtNaR + NADH Reagent Packs

    $25.00
    Learn More

    Product ID: AtNaR-RPk

    Previously sold as:  NaR-PkAt

    Superior Stock AtNaR + NADH Packs For Your Laboratory

    Packs include 1.0 unit of AtNaR plus calibrated quantities of reaction cofactors (freeze-dried form)

    Recombinant Plant NADH Nitrate Reductase (AtNaR)

    • For analysis run between 20 – 45°C. 
    • Highly stable in working solution
    • Each pack sufficient for 20-50 assays, depending on your assay design
    • Manufactured in Pichia pastoris 
    • Shelf-life of up to 6 months at room temperature
    • Highest Specific Activity AtNaR on the market
    • Small sample size in relation to total assay volume
    • Little sample preparation required
    • High specificity reduces false positives
    • Suited for 3%+ NaCl environments

    Please refer to specifications for more detailed information regarding AtNaR

  • Reagents for Discrete Analyzers Using NADH Disappearance

    Reagents for Discrete Analyzers Using NADH Disappearance

    $35.00
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    Product ID: NRPk-AND-1At

    Previously sold as: DA-NPk-901

    Compatible with Tabletop Discrete Analyzers measuring Nitrate by NADH disappearance such as Hitachi 717

    AtNaR & NADH Reagents for 75 Samples

    Packs include 1.0 unit of AtNaR (freeze-dried form), 2.4mg NADH (solid form), and 1 vial of enzyme diluent

    Contact us to design a kit tailored to your machine (if not listed) for no extra charge.

    Recombinant Plant NADH Nitrate Reductase (AtNaR)

    • For analysis run between 20 – 45°C. 
    • Highly stable in working solution
    • Manufactured in Pichia pastoris 
    • Shelf-life of up to 6 months at room temperature
    • Highest Specific Activity AtNaR on the market
    • High specificity reduces false positives
    • Suited for 3%+ NaCl environments

    For more detailed information about this kit, please refer to the instruction sheet.

  • Reagents for FIA, CFA, and SFA Nitrate Analysis

    Reagents for FIA, CFA, and SFA Nitrate Analysis

    $75.00
    Learn More

    Product ID: NRPk-FIA-3At

    Previously sold as:  LA-ARK-1

    Compatible with Continuous Flow Analyzers, Flow Injection Analyzers, Segmented Flow Analyzers such as LACHAT QuikChem® and others.

    AtNaR & NADH Reagents for Flow Injection Analysis and Continuous Flow Analyzer Methods

    Packs include 3.0 Units of AtNaR (freeze-dried form), and 8.0 mg of NADH (solid form), and 1 vial of enzyme diluent

    Contact us to design a kit tailored to your machine (if not listed) for no extra charge

    Recombinant Plant NADH Nitrate Reductase (AtNaR)

    • For analysis run between 20 – 45°C. 
    • Highly stable in working solution
    • Manufactured in Pichia pastoris 
    • Shelf-life of up to 6 months at room temperature
    • Highest Specific Activity AtNaR on the market
    • High specificity reduces false positives
    • Suited for 3%+ NaCl environments

    For more detailed information about this kit, please refer to the instruction sheet.

  • Reagents for High Capacity Discrete Nitrate Analysis

    Reagents for High Capacity Discrete Nitrate Analysis

    $75.00
    Learn More

    Product ID: NRPk-HDA-3At

    Previously sold as:  DA-ARK-1

    Compatible with High Capacity Stand Alone Discrete Analyzers (Thermo Scientific™  Aquakem™)

    AtNaR & NADH Reagents for minimum 300 assays

    Packs include 3.0 units of AtNaR (freeze-dried form), 2mg NADH (solid form), and 1 vial of enzyme diluent

    Contact us to design a kit tailored to your machine (if not listed) for no extra charge.

    Recombinant Plant NADH Nitrate Reductase (AtNaR)

    • For analysis run between 20 – 45°C
    • Highly stable in working solution
    • Manufactured in Pichia pastoris 
    • Shelf-life of up to 6 months at room temperature
    • Highest Specific Activity AtNaR on the market
    • High specificity reduces false positives
    • Suited for 3%+ NaCl environments

    For more detailed information about this kit, please refer to the instruction sheet.

    More information about Thermo Scientific Discrete Analysis Systems can be found at www.thermofisher.com/discreteanalysis

  • Reagents for Tabletop Discrete Analyzers

    Reagents for Tabletop Discrete Analyzers

    $35.00
    Learn More

    Product ID: NRPk-DA-1At

    Previously sold as: DA-ARK-1 OIP

    Compatible with Tabletop Discrete Analyzers such as Unity (Westco) Smartchem, OI Analytical Discrete Analyzers, Thermo Scientific™ Gallery™, and other machines with a similar format.

    AtNaR & NADH Reagents for 50-200 Samples

    Packs include 1.0 unit of AtNaR (freeze-dried form), 0.7 mg NADH (solid form), and 1 vial of enzyme diluent

    Contact us to design a kit tailored to your machine (if not listed) for no extra charge.

    Recombinant Plant NADH Nitrate Reductase (AtNaR)

    • For analysis run between 20 – 45°C. 
    • Highly stable in working solution
    • Manufactured in Pichia pastoris 
    • Shelf-life of up to 6 months at room temperature
    • Highest Specific Activity AtNaR on the market
    • High specificity reduces false positives
    • Suited for 3%+ NaCl environments

    For more detailed information about this kit, please refer to the instruction sheet.

Items 1 to 10 of 11 total


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