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  1. No Access

    Article

    Hollow copper microneedle made by local electrodeposition-based additive manufacturing

    Additive manufacturing offers the opportunity to manufacture microscale devices with custom designs such as microneedles, which have potential use in the transdermal delivery of vaccines or drugs. In this pape...

    Roger Sachan, Patrik Schürch, Paolo Testa, Edgar Hepp, Wabe W. Koelmans… in MRS Advances (2021)

  2. No Access

    Article

    Digital light processing-based 3D printing of polytetrafluoroethylene solid microneedle arrays

    This study evaluated the structural and skin penetration properties of solid microneedle arrays made by digital light processing-based 3D printing of polytetrafluoroethylene. Confocal laser scanning microscopy...

    Roger Sachan, Alexander K. Nguyen, Junqi Lu, Detlev Erdmann… in MRS Communications (2021)

  3. No Access

    Article

    3D Printing of Polytetrafluoroethylene Hollow Needles for Medical Applications

    The delivery of drugs or vaccines using hollow needles involves a “poke and flow” approach, which involves the movement of the drug or vaccine through the bore of a hollow needle. In this paper, hollow needle ...

    Roger Sachan, Andrew Sachan, Junqi Lu, Detlev Erdmann, Jennifer Y. Zhang… in JOM (2021)

  4. No Access

    Article

    Patterned surfaces with the controllable drug doses using inkjet printing

    A mixture of microflora, including Staphylococcus aureus, Pseudomonas aeruginosa, and Candida albicans, is found in burns and traumatic wounds. In this study, piezoelectric inkjet printing was used to apply an an...

    Sina Azizi Machekposhti, Bin Zhang, Roger Sachan… in Journal of Materials Research (2021)