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- Microinjection processes use either metal microinjection needles or glass micropipettes to inject small liquid volumes. For example, genetic material may be inserted into a living cell, a drug introduced into an eye or brain, or fluid injected into a muscle. Typically, microinjection is performed under a microscope. A stereotaxic frame setup may be required.
Recently, WPI introduced its customizable Microinjection System with everything you need to get started. We can help you customize your system with many options and microinjection system accessories. The basic system includes:
Microinjection pump like the PV820 Pneumatic PicoPump
LED lighted microscope base with a PZMIII Stereo Microscope and an articulating mirror
WPI offers a variety of pumps along with special syringes, stereotaxic frames, glass capillaries and needles. The setup you choose depends on the size of your microinjection aliquots, the volume to be injected and the size of needle or glass tip you choose. In addition, we offer an electroporator for transfection procedures.
Whether you are working with Danio rerio (zebrafish), Xenopus, Drosophila or Caenorhabditis elegans, we can help you customize a microinjection system for your application.
- Face masks are an essential element of personal protection equipment (PPE), and WPI offers both reusable face masks (with disposable filters) and disposable face masks, both for industrial settings and routine usage. Our reusable masks are high quality masks tested to rigorous standards (filtration efficiency above 98.2%), but they are not certified for use in a medical environment. For best results in non-medical environments, change your disposable mask at least twice a day. With WPI's reusable mask, you can use the mask for up to 10 days, depending on your environment, before you need to change the filter. In addition to the face masks, WPI carries some other personal protective equipment, like goggles. Disinfectants, sterilization equipment and personal sterilizers are also valuable to consider when discussing PPE. WPI has a range of disinfectant products and sterilization equipment.
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June 16, 2020[by Alec Dickson] WPI’s FluoroDish™ tissue culture dishes provide exceptional imaging quality for many applications requiring the use of inverted microscopes such as high-resolution image analysis, microinjection and electrophysical recording of fluorescent-tagged cells. We have a 50 mm diameter dish and two types of 35 mm diameter dishes. Better Optical Properties than Polycarbonate Each WPI dish has a flat (0.17mm±0.01mm thick), optical quality glass bottom, allowing the use of a
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.
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.
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.