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LACTOSENS®
Intuitive lactose sensor for the dairy industry

DirectSens offers a range of lactose assay kits optimized for customer needs. Together with the LactoSens®R Reader you will be able to conduct precise lactose analysis in 3 minutes.

Lactosens / Products / LactoSens®R

LactoSens®R Biosensor Assay Kit (LK1225)

resilient, robust and reliable lactose measurement

  • Quantitation range 0.008 % - 0.2 % lactose
  • Interference free
  • For all dairy products
  • Factory calibrated
  • Optimized for yeast neutral lactases

Included in LactoSens®R Lactose Assay Kit (LK1225)

  • 25 single packed Lactose Sensors
  • 2 bottles (125 mL) of LactoSens®R Buffer, ready-to-use
  • 1 vial (2 mL) of LactoSens®R Positive Control, ready-to-use (specifications see QAC)
  • Manual
  • Quality Assurance Certificate

Additionally required materials for lactose measurement

  • LactoSens®R Reader Kit
  • LactoSens Software V.2.0 or higher
  • Vials, piopettes, tips for product dilution and sample application
  • Vortex device for mixing samples
  • Laptop or PC for connection with LactoSens®R Reader

LactoSens®R is a resilient and robust lactose assay kit providing reliable results within a minute. The method is applicable for a vast range of milk products, from milk to mozzarella (complete list see www.lactosens.com) and gives accurate results even in the presence of fruit preps or added flavors (e.g. cocoa, coffee).

The lactose measurement method convinces with its simplicity and accuracy. Already factory calibrated, a simple 1 plus 1 sample dilution is enough to enable results equivalent to the reference method HPAEC-PAD. LactoSens®R has received AOAC Official Method of Analysis First Action status and external certification by NordVal. This makes LactoSens®R Lactose Assay Kit the perfect choice for lactose analysis to release products, optimize the production process and speed up product development.

LactoSens®R Biosensor Assay Kit (LK1225)
Product Details

Lactose Assay Kit TypeEnzymatic biosensor, amperometric detection
Function PrincipleThe lactose-specific enzyme on the lactose sensor oxidizes the lactose molecules in the sample. The current generated (electrochemical principle) is directly proportional to the amount of lactose and can be detected directly and accurately using the LactoSens®R Reader (LR10).
AnalyteLactose (C12H22O11), also called milk sugar, makes up 2–8 % of milk. After ingestion, this disaccharide is broken down into glucose and galactose by the enzyme lactase. In lactose-free production, the lactose is broken down within the production process – for people with lactase deficiency or the inability to digest lactose.
Suitable forLactose measurement in all dairy products hydrolysed with yeast neutral lactase
Limit of Quantification0.008 % lactose – equivalent to 0.08 g/L
Quantification Range0.008 % – 0.2 % lactose in dairy products
Measuring Timeless then 1 minute
Sample Preparation1:2 dilution with buffer
Sample Volume 100 μL
TemperatureOperation: 22 ± 2 °C (72 ± 3 °F) Storage: 2–8 ºC (36–46 °F)
Shelf Life18 months
DimensionL: 120 mm (4.72 in), W: 90 mm (3.54 in), H: 11.5 mm (4.53 in)
Weight422g
Validation of MethodAgainst gold standard method High Performance Anion Exchange Chromatography with Pulsed Amperometric (HPAEC-PAD) by NordVal Int. and AOAC Official Method of Analysis First Action status

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OUR PRODUCTS

Select the lactose assay kit that
fits your needs:

Link to: LactoSens®R

LactoSens®R

Assay Kit

resilient, robust, reliable

  • Quantitation range 0.008 % - 0.2 % lactose
  • Interference free
  • For all dairy products
  • Factory calibrated
  • Optimized for yeast neutral lactases
Link to: LactoSens®R for NOLA™ Fit

LactoSens®R Assay

Kit for NOLA™ Fit

resilient, robust, reliable

  • Quantitation range 0.008 % - 0.2 % lactose
  • Interference free
  • For all dairy products
  • Factory calibrated
  • Optimized for bifido lactases
Link to: LactoSens®0.02%

LactoSens®0.02%

Test Kit

fast, simple, accurate

  • Quantitation range 0.02 % - 1 % lactose
  • For white dairy products
  • Minimum shelf life 12 months
  • Factory calibrated
  • Optimized for yeast neutral lactases
Link to: LactoSens®R Reader Kit

LactoSens®R

Reader Kit

portable and intuitive

  • Small, portable device
  • Intuitive software
  • Immediately ready to use
Learn more
Learn more
Learn more
Learn more

OUR PRODUCTS

Select the lactose assay kit that fits your needs:

Link to: LactoSens®R

LactoSens®R
Assay Kit

resilient, robust, reliable

  • Quantitation range 0.008 % - 0.2 % lactose
  • Interference free
  • For all dairy products
  • Factory calibrated
  • Optimized for yeast neutral lactases
Learn more
Link to: LactoSens®R for NOLA™ Fit

LactoSens®R for
NOLA™ Fit

resilient, robust, reliable

  • Quantitation range 0.008 % - 0.2 % lactose
  • Interference free
  • For all dairy products
  • Factory calibrated
  • Optimized for bifido lactases
Learn more
Link to: LactoSens®0.02%

LactoSens®0.02%
Test Kit

fast, simple, accurate

  • Quantitation range 0.02 % - 1 % lactose
  • For white dairy products
  • Minimum shelf life 12 months
  • Factory calibrated
  • Optimized for yeast neutral lactases
Learn more
Link to: LactoSens®R Reader Kit

LactoSens®R
Reader Kit

portable and intuitive

  • Small, portable device
  • Intuitive software
  • Immediately ready to use
Learn more

CONTACT
Get in Touch

Headoffice
DirectSens GmbH

DirectSens GmbH
Am Rosenbühel 38
3400 Klosterneuburg
Austria

office@directsens.com

+43 699 18355188

www.directsens.com 

Operational Side
DirectSens GmbH

DirectSens GmbH
Muthgasse 11/2, 3. Floor
1190 Vienna
Austria

LactoSens®
Technical Support

lactosens@directsens.com

+43 699 18355188

Contact us now

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