We use cookies to provide you with a great user experience. By using our site, you accept our use of cookies. You can review our cookie and privacy policy here.
  • Service & Support

    Contact Us

    Our Customer Service team is available from 8am to 6:00pm, ET, Monday through Friday. Live chat is available from 8am to 5:30pm ET, Monday-Friday.

    Email Customer Service

    International Sales & Service

    We serve educators in more than 170 countries worldwide. Create a quote request on our website or contact our International Sales Team.

    International Ordering
  • Shopping

    Login or register now to maximize your savings and access profile information, order history, tracking, shopping lists, and more.

  • Quick
  • My Cart

    My Cart

    Your Shopping Cart is currently empty. Use Quick Order or Search to quickly add items to your order!

BioBuilder® Guiding Light: Measuring and Analyzing Fluorescence Kit

(in stock)


Fluorescence has incredibly powerful applications in the world of science. In this simple yet impactful activity, students examine the relationship between fluorescence intensity and concentration of fluorescent molecules. They use a typical highlighting marker to create a standard curve, giving them the ability to determine the concentration of fluorescent molecules in other samples. The kit provides enough materials for one lab station and can be used in many different educational settings: laboratory, classroom, at home, and remote learning.


What’s Included:
  • 5 Microcentrifuge Tubes
  • 1 Transfer Pipette
  • 1 Orange Filter Bag
  • 1 Paper, Construction, Black, 9 x 12"
  • 1 Yellow Highlighting Marker
  • 1 Blue LED Flashlight
  • 1 Instruction Card
Needed But Not Included:
Return Policy:

If for any reason you are not satisfied with this item, it is eligible for a return, exchange, refund, or credit up to 180 days from date of purchase. Restrictions may apply. Returns & Exchanges Policy.