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  2. Nanoneedle - Wikipedia

    en.wikipedia.org/wiki/Nanoneedle

    The needles may also find a use in tip-enhanced Raman spectroscopy, a process in which molecular energy levels are measured by comparing the frequency of incident light with that of outgoing light. A sharp needle tip allows for a more precise examination of the sample, down perhaps to that of single molecules.

  3. Injector pen - Wikipedia

    en.wikipedia.org/wiki/Injector_pen

    The needles are generally manufactured with an outer protective plastic shell, which is used by a person to attach the needle to the pen, and an inner plastic shell protecting the needle itself. Instruction on how to properly attach and use needles is the responsibility of the doctor or pharmacist to ensure proper use.

  4. BD (company) - Wikipedia

    en.wikipedia.org/wiki/BD_(company)

    The company was founded in 1897 in New York City by Maxwell Becton and Fairleigh S. Dickinson.It later moved its headquarters to New Jersey. In 2004, BD agreed to pay out US$100 million to settle allegations from competitor Retractable Technologies that it had engaged in anti-competitive behavior to prevent the distribution of Retractable's syringes, which are designed to prevent needlestick ...

  5. Dip-pen nanolithography - Wikipedia

    en.wikipedia.org/wiki/Dip-Pen_Nanolithography

    Dip pen nanolithography (DPN) is a scanning probe lithography technique where an atomic force microscope (AFM) tip is used to directly create patterns on a substrate. [1] It can be done on a range of substances with a variety of inks. A common example of this technique is exemplified by the use of alkane thiolates to imprint onto a gold surface ...

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  7. Syringe - Wikipedia

    en.wikipedia.org/wiki/Syringe

    A dose-sparing syringe and needle being used to draw up a COVID-19 vaccine. A dose-sparing syringe is one which minimises the amount of liquid remaining in the barrel after the plunger has been depressed. These syringes feature a combined needle and syringe, and a protrusion on the face of the plunger to expel liquid from the needle hub.

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