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  1. Setting up the WPI PicoPump
    September 03, 2020
    Designed to simplify intracellular injection and a variety of other micro­in­jec­tion tasks, WPI’s PicoPumps (PV830 and PV820) use precisely regulated pres­sures for se­cur­ing cells and injecting them with fluid. Injected volumes range from picoliters to nanoliters. Separate ports supply positive and negative pressure—pos­i­tive pressure for high-pressure ejection, and suction for supporting the cell or for filling the pipette from the tip. In this quick series, you can see how to setup a PicoPump. 1. What's Included with a PV Pump In this first video (#1) you can see all the components of the system as they unpack the system.  
  2. Popular UMP3 Injector is Not Your Ordinary Syringe Pump
    July 13, 2020
    [by Alec Dickson] Easy to Configure Using the SmartTouch Interface The UMP3 UltraMicroPump is easy to configure using the SMARTouch interface. It is pre-programmed for popular microsyringes and allows for user-defined syringe parameters, too. This ensures nearly universal compatibility. You can control up to two pumps, either simultaneously or independently, and the optional foot switch means hands-free operation. You can instantly verify actual injection volume on the graphical display. You can even use the touch screen while wearing gloves. Ensure Reliable Injections of Small Volumes The extremely fine thread-pitch of the UMP3 drive shaft ensures reliable injections
  3. Long Pathlength Ensures Significant Increase of Sensitivity
    June 15, 2020
    [by Tiana Riggi]  UV/VIS/NIR absorbance spectroscopy is governed by Beer's Law, where the absorbance signal is proportional to chemical concentration, light path length and the compound’s specific molar absorption coefficient. Typical optical pathlengths of cuvettes and flow cells are between 0.1 cm and 10 cm. Longer pathlengths are difficult to achieve due to mechanical constraints. WPI solved this problem with the LWCC Liquid Waveguide Capillary Cells. LWCCs are fiber optic flow cells that combine an increased optical pathlength range from 10–500 cm with small sample volumes ranging from 2.4 µL to about 3 mL. Compared with a standard 1 cm cell you can expect to achieve a 10-500 fold increase in sensitivity.    
  4. WPI's Photonics Center of Excellence Array of Optical Products
    June 15, 2020
    [by Tiana Riggi]  WPI now provides a full range of components and solutions, from proprietary qualified fibers to optical assemblies and fully integrated spectroscopy measurement systems. WPI knows the importance of making measurements where the science happens, and WPI has a full range of reflectance and transmission dipping probes, flowcells and long pathlength liquid waveguide capillary cells, also known as LWCCs with up to 500 cm pathlength that eliminates the need to take a sample to an instrument. Our Photonics Center of Excellence in Friedberg, Germany also allows us to build proven custom configurations quickly. Whether that is a new optical design for a probe, an optical assembly or a customized measurement system.    
  5. WPI Optical Fiber Solutions for Researchers and Product Developers
    June 15, 2020
    [by Tiana Riggi]  From Deep UV to Near Infrared, WPI's optical fiber solutions include a variety of multimode step index designs. In many fields of application in optical sensor and analysis technology, optical fibers and components are required for illumination and for light detection. WPI designs and builds customer-specific fiber assemblies that function reliably with unmatched lot to lot high transmission throughput. Our specialty fiber is one key feature in this in it's the only fiber material currently on the market certified to a DIN standard. The assembly can be a simple 1 fiber patch cord to integrate into your broadband spectrum analyzer to a custom-specific complex fiber transmission probe suitable for difficult environmental conditions. We also offer certified unjacketed bulk fiber.    
  6. Setup WPI CleanRay-2000 Ultraviolet Room Sterilizer
    June 11, 2020
      When your protection from bacteria, molds and viruses is important, WPI's CleanRay-2000 becomes a critical piece of your personal protective equipment. WPI's CleanRay-2000 UV Sterilizer can sterilize a small room in 30-60 minutes. Here we show you how to install the UV bulb in the lamp and setup your unit.          The CleanRay-2000 UV Room Sterilzer is easy to setup. Before you begin, though, we offer a few warnings.  WARNING: THIS UNIT USES UVC LIGHT, WHICH WILL DAMAGE SKIN AND EYES. PEOPLE AND PETS SHOULD NEVER
  7. 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
  8. 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
  9. 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.  
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