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Q-NAD Tissue & Cells NAD+ and NADH Assay kit (US)

Q40 NAD+ & NADH Tissue/Cells Kit (RUO), Americas

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Catalog name: Q-NAD Tissue & Cells NAD+ and NADH Assay kit (US)

RUO Quantitative 40-sample Assay Kit for Tissue and Cells

  • Highly accurate and sensitive
  • Easy to handle
    • One step metabolite extraction is followed by separate measurement of NAD+ and NADH in the extract. 
    • Detection time is less than 10 minutes.
  • Higher throughput
    • Can be easily adopted into higher-throughput 96-well plate assay to analyze hundreds of samples per day.

Estimated Delivery: End of March 2026

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Notice: By placing an order for assay kits, you acknowledge that the kit requires standard laboratory equipment (See Kit Requirements specified below). Orders are non-returnable if the necessary equipment is not available in your laboratory (See Terms and Conditions for more information).

Key FeaturesInstructions for UseKit RequirementsPrinciplesProvided ReagentsStoragePrecautions and Warnings

Key Features

Catalog number / nameRUO_003_US / Q-NAD Tissue & Cells NAD+ and NADH Assay kit (US)
Detection methodColorimetric (OD570-573nm)
Assay typeQuantitative
Samples typeTissues / Cells
SpeciesAll
Guideline for Sample volume 20 mg of tissue per 1 mL of extraction buffer 0.5 M cells per 100 μL of extraction buffer
Metabolites measuredNAD+, NADH
Detection Limit 25 nM for NAD+ and 35 nM NADH in the cell/tissue extract
Assay Length< 1h
Size192 reactions
Number of samples40 (measured in duplicates)
StorageStore reagents at -80°C
Intended useFor Research Use Only
Shelf Life12 months from the production date

Instructions for Use

Find the IFU under Q-NAD Tissue/Cells NAD+ and NADH Assay kit / Q40 NAD+ & NADH Tissue/Cells Kit (RUO) here.

Certificate of Analysis is available upon request.
Please contact your NADMED representative or email us at info@nadmed.com. We will be happy to provide it.

Kit Requirements

  • Multi-channel pipets
  • Two clear-bottom 96-well plates suitable for colorimetric assays
  • Heat block with adjustable temperature (up to 80°C)
  • Spectrophotometric plate reader

Principles

The principle of the assay is a cyclic enzymatic reaction with a colorimetric end-point detection. First, NAD+ and NADH metabolites are extracted together from a tissue or cell culture sample in a single step. Then the extract is divided into two parts revealing both NAD+ and NADH concentrations by removing one metabolite and stabilizing the other.

Provided Reagents

  • EXTRACTION BUFFER B
  • NAD+ STABILIZER
  • NADH STABILIZER
  • POSITIVE CONTROL
  • SOLUBILIZATION BUFFER D
  • STOP SOLUTION
  • ASSAY BUFFER C
  • ASSAY COLOR REAGENT
  • NAD+ STANDARD STOCK
  • NADH STANDARD STOCK
  • NAD ENZYME

Storage

If you are storing the kits for more than one month, place them in a freezer set to -80°C. If you plan to run the assay within four weeks, the kits may be stored at stable -20°C.

Precautions and Warnings

  • For research use only by trained personnel.
  • The STOP SOLUTION may cause skin, eye, and respiratory irritation. Avoid breathing in fumes.
  • ASSAY COLOR REAGENT may cause skin irritation. Handle with care, use gloves.
  • EXTRACTION BUFFER B can cause eye irritation. Handle with care, use goggles.

For more information, please refer to the Safety Data Sheet (SDS) for the tissue/cells kit.

For more details on sample preparation, see the Tissue and Cells preparation instructions. If you are using the NADMED lysis buffer, please follow the Protocol for cell collection with NADMED lysis buffer. 

The documents are available here.