Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Frederik Kotz‐Helmer"'
Autor:
Pang Zhu, Qingchuan Song, Sagar Bhagwat, Fadoua Mayoussi, Andreas Goralczyk, Niloofar Nekoonam, Mario Sanjaya, Peilong Hou, Silvio Tisato, Frederik Kotz-Helmer, Dorothea Helmer, Bastian E. Rapp
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-10 (2024)
Abstract Microstructured molds are essential for fabricating various components ranging from precision optics and microstructured surfaces to microfluidics. However, conventional fabrication technology such as photolithography requires expensive equi
Externí odkaz:
https://doaj.org/article/bbabd077fc9749bda2033625c4998f7b
Autor:
Sebastian Kluck, Richard Prediger, Leonhard Hambitzer, Niloofar Nekoonam, Franziska Dreher, Manuel Luitz, Markus Lunzer, Matthias Worgull, Marc Schneider, Bastian E. Rapp, Frederik Kotz‐Helmer
Publikováno v:
Advanced Science, Vol 11, Iss 35, Pp n/a-n/a (2024)
Abstract The growing importance of submicrometer‐structured surfaces across a variety of different fields has driven progress in light manipulation, color diversity, water‐repellency, and functional enhancements. To enable mass production, proces
Externí odkaz:
https://doaj.org/article/59310e3e7033486e82035a408986653e
Autor:
Richard Prediger, Nitipoom Sriyotha, Karl G. Schell, Sebastian Kluck, Leonhard Hambitzer, Frederik Kotz‐Helmer
Publikováno v:
Advanced Science, Vol 11, Iss 20, Pp n/a-n/a (2024)
Abstract Transparent polycrystalline magnesium aluminate (MAS) spinel ceramics are of great interest for industry and academia due to their excellent optical and mechanical properties. However, shaping of MAS is notoriously challenging especially on
Externí odkaz:
https://doaj.org/article/bacac89067df46039f9accbf3db619fd
Autor:
Sebastian Kluck, Leonhard Hambitzer, Manuel Luitz, Markus Mader, Mario Sanjaya, Andreas Balster, Marcel Milich, Christian Greiner, Frederik Kotz-Helmer, Bastian E. Rapp
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-7 (2022)
Production of tools for polymer replication in the field of optical applications is still time-consuming and cost-intensive. Here the authors develop an efficient metal casting process, and demonstrate manufacturing of structures of complex shapes wi
Externí odkaz:
https://doaj.org/article/4fef2ccd6f084469aba807d7a2cc535c
Autor:
Sagar Bhagwat, Leonhard Hambitzer, Richard Prediger, Pang Zhu, Ahmed Hamza, Sophia K. Kilian, Sebastian Kluck, Pegah Pezeshkpour, Frederik Kotz-Helmer, Bastian E. Rapp
Publikováno v:
Sensors, Vol 24, Iss 2, p 416 (2024)
Gallium liquid metals (LMs) like Galinstan and eutectic Gallium-Indium (EGaIn) have seen increasing applications in heavy metal ion (HMI) sensing, because of their ability to amalgamate with HMIs like lead, their high hydrogen potential, and their st
Externí odkaz:
https://doaj.org/article/6531d00d76ba48dab7aceac9f412c206
Autor:
Markus Mader, Richard Prediger, Karl G. Schell, Gabriela Schmidt, Alex Dorn, Sophie Jenne, Sebastian Kluck, Leonhard Hambitzer, Manuel Luitz, Claudia Schwarz, Marcel Milich, Christian Greiner, Bastian E. Rapp, Frederik Kotz‐Helmer
Publikováno v:
Advanced Science, Vol 9, Iss 31, Pp n/a-n/a (2022)
Abstract Transparent ceramics like magnesium aluminate spinel (MAS) are considered the next step in material evolution showing unmatched mechanical, chemical and physical resistance combined with high optical transparency. Unfortunately, transparent
Externí odkaz:
https://doaj.org/article/0f15e0b74b774a54abb7042ac8f87ad2
Autor:
Qingchuan Song, Yunong Chen, Peilong Hou, Pang Zhu, Dorothea Helmer, Frederik Kotz-Helmer, Bastian E. Rapp
Publikováno v:
Micromachines, Vol 14, Iss 2, p 244 (2023)
Pneumatic actuators are of great interest for device miniaturization, microactuators, soft robots, biomedical engineering, and complex control systems. Recently, multi-material actuators have become of high interest to researchers due to their compre
Externí odkaz:
https://doaj.org/article/ca1f9639e77a49be90772ebec0739546
Autor:
Markus Mader, Leonhard Hambitzer, Phillip Schlautmann, Sophie Jenne, Christian Greiner, Florian Hirth, Dorothea Helmer, Frederik Kotz‐Helmer, Bastian E. Rapp
Publikováno v:
Advanced Science, Vol 8, Iss 23, Pp n/a-n/a (2021)
Abstract In recent years, additive manufacturing (AM) of glass has attracted great interest in academia and industry, yet it is still mostly limited to liquid nanocomposite‐based approaches for stereolithography, two‐photon polymerization, or dir
Externí odkaz:
https://doaj.org/article/092eb5c949504d40b8a96bf64b10a5ed
Autor:
Andreas Goralczyk, Sagar Bhagwat, Fadoua Mayoussi, Niloofar Nekoonam, Kai Sachsenheimer, Peilong Hou, Frederik Kotz-Helmer, Dorothea Helmer, Bastian E. Rapp
Publikováno v:
Nanomaterials, Vol 12, Iss 13, p 2201 (2022)
Digital microfluidics (DMF) is a versatile platform for conducting a variety of biological and chemical assays. The most commonly used set-up for the actuation of microliter droplets is electrowetting on dielectric (EWOD), where the liquid is moved b
Externí odkaz:
https://doaj.org/article/5ca4f5bfaffa4b089f9a935384499240
Autor:
Markus Mader, Christof Rein, Eveline Konrat, Sophia Lena Meermeyer, Cornelia Lee-Thedieck, Frederik Kotz-Helmer, Bastian E. Rapp
Publikováno v:
Micromachines, Vol 12, Iss 11, p 1348 (2021)
Polystyrene (PS) is one of the most commonly used thermoplastic materials worldwide and plays a ubiquitous role in today’s biomedical and life science industry and research. The main advantage of PS lies in its facile processability, its excellent
Externí odkaz:
https://doaj.org/article/bf2294f53bc045b7900433e63d674e11