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Laboratory Equipment Articles

  1. Sensor Calibration for WPI's TBR4100 Free Radical Analyzer (NO, HPO & H2S)
    June 09, 2020
    [by Nikki Scafa]   When using a TBR Free Radical Analyzer, accurate measurements of an analyte requires an accurate calibration. The calibration of nitric oxide, hydrogen peroxide and hydrogen sulfide sensors is similar. WPI oxygen and glucose sensors require different methods which will not be discussed here.         Before we begin: Make sure you have the following items. Your sensor must be polarized for the appropriate length of time. Your solutions are prepared as described in the manual. (NOTE: Here we will show an item checklist slide (below) before continuing the
  2. How to Order Custom Qualified Optical Fiber
    May 21, 2020
    [by Tiana Ruchti] When you have exact specifications for your fiber optic assemblies, WPI delivers with proprietary qualified optical fibers designed by in-house optical engineers. You can count on superior performance from WPI's spectroscopy products and the published research scientists who design them. When you depend on reliable data for your discoveries, consider WPI's German Optics Department for qualified optical fiber and assemblies.     Here we discuss the process for submitting a request for an optical fiber to match your needs using the WPI optical fiber selection guide, which is printed in the
  3. Qualified Optical Fiber Eliminates Lot-to-Lot Variability
    May 21, 2020
    [by Tiana Ruchti] Qualified Optical Fiber is a new proprietary product brought to you World Precision Instruments. When you need true plug-and-play optical fibers, you need qualified fiber. Qualified fiber ensures you get consistent measurement results regardless of which fiber you use, even if you switch fibers in the middle of your application. WPI manufactures "Off-The-Shelf" and "Made to Order" high quality spectroscopy fiber and fiber probes. Examples such as transmission dip probes for protein DNA/RNA Quantification, UV Raman Probes for in situ environmental testing of PAHs in aqueouos systems, fluorescence probes designed to detect pH and membrane portential, to standard fiber patch cable to couple to fiberoptic spectrometers, sources and accessories.  
  4. CardioPhys ECG is Perfect for Affordable Cardiotoxicity Testing in Small Animals
    May 18, 2020
    [by Mikaël Berrou] CardioPhys™ and Cardiotoxicity When a new drug is discovered with an effect against a pathology, a natural public demand would ask to administrate it immediately. Although the new drug may be beneficial in many aspects, that new molecule could potentially have side effects that need to be evaluated. The most important potential side effect is cardiotoxicity. What is Cardiotoxicity? Cardiotoxicity is the damage to the heart by harmful chemicals (www.nccn.org/patients/resources/life_with_cancer/managing_symptoms/cardiac_toxicity.aspx), and its evaluation ha
  5. Versatile Microinjection Syringe Pump (UMP3T) for Injections in the Nanoliter to Milliliter Range
    May 15, 2020
    The UltraMicroPump3 is a versatile microinjection syringe pump designed to support the needs of a busy lab. The UMP3 Microinjector is suitable for delivery of media from nanoliters to milliliters. the UMP3 injecotor’s user interface and system design enables delivery of highly accurate and repeatable injections. The choice for thousands of scientists, it is widely cited in research papers.   Intuitive Touchscreen Display for Easy Setup The SMARTouch controller has an intuitive touch screen interface and an easy-to-use menu for quick configuration of the syringe size, volumes and f
  6. Why Choose an EVOM3 Over an EVOM2 for TEER Measurement
    May 15, 2020
    After 12 years, the next generation of the EVOM is born. Used for measuring Transepithelial Electrical Resistance (TEER) and monitoring the confluence of cell monolayers in culture well plates the EVOM3 TEER Measurement System enables researchers to carry out experiments more efficiently by improving the workflow, and increasing the stability and accuracy of readings over that of the EVOM2.  Here are six of the EVOM3 improvements.    
  7. 7 Reasons to Love the New EVOM3 for TEER Measurement
    May 15, 2020
    The NEW EVOM3 Epithelial Volt/Ohm Meter delivers improved workflow efficiency, increased stability and more repeatable measurements than traditional Trans Epithelial Electrical Resistance (TEER) meters. Here are seven things you will love about the new EVOM3.     1. It has an intuitive Touchscreen Display Providing users with vital feedback during experimental measurements, the EVOM3’s large touch screen offers a range of informational v
  8. Why Choose a Reusable Face Mask?
    April 23, 2020
    WPI offers the S9 self-priming respirator, a critical component of your personal protective equipment (PPE). The S9 is a reusable industrial face mask designed to KN95 standards. This means that it will block >95% of all particulate matter in the air larger than 2 µm in size. The face mask employs inexpensive replaceable filters. Looking at the initial cost, you may wonder if the resusable mask is worth the higher cost. This mask pays for itself very quickly when you consider how many disposable masks it replaces. Reuseable Face Mask Lasts Longer The long length of service of a WPI industrial reusable face mask (as opposed to disposable masks that use the same sort of filter material) is the result of its design. A plastic filter shield is securely
  9. Significance of Transepithelial/ Transendothelial Electrical Resistance (TEER) Measurement in Lung In vitro Models 
    April 13, 2020
      Epithelial and endothelial cells are known for their barrier function like selective permeability. Lung tissue is comprised of epithelial cellular layers, residing adjacent to endothelial layers and allowing exchange of oxygen and carbon dioxide between lung and blood. Currently, the biomedical research community’s major focus area is to understand the details of the infection caused by this novel coronavirus (2019-nCoV) or by similar viruses. This new virus can disrupt the lung’s normal cleaning ability to get rid of foreign particles in the lung, and the selective permeability or barrier function of the lung may become severely impaired. The adverse physiological effect may be sustained once the inflammatory cascade is initiated. Researchers in collaboration with clinicians are trying to develop vaccines and drugs to
  10. 8 Good Reasons to Choose the MICRO-ePUMP Microinjector for your Applications
    April 10, 2020
    Do you need a precision microinjector with an integrated pressure source for injections in the picoliter range? WPI’s new MICRO-ePUMP, which is comparable to the Ependorf Femtojet, is a portable solution for injecting DNA, RNA and proteins, as well as pre- and post- implantation in embryos. Whether you are doing disease modeling with zebrafish or viral research for SARS-CoV2, the MICRO-ePUMP has much to offer. Here are eight good reasons to choose the MICRO-ePUMP for your applications.   Convenient internal pressure source The convenient internal pressure source i
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