Now showing items 1-11 of 11

    • Biofunctionalized self-propelled micromotors as an alternative on-chip concentrating system 

      Restrepo Perez, Laura; Soler Turu, Lluís; Martinez Cisneros, Cynthia; Sanchez, Samuel; Schmidt, Oliver G. (2014-05-29)
      Article
      Restricted access - publisher's policy
      Sample pre-concentration is crucial to achieve high sensitivity and low detection limits in lab-on-a-chip devices. Here, we present a system in which self-propelled catalytic micromotors are bio-functionalized and trapped ...
    • Catalytic nanomotors for environmental monitoring and water remediation 

      Soler Turu, Lluís; Sanchez, Samuel (2014-04-01)
      Article
      Restricted access - publisher's policy
      Self-propelled nanomotors hold considerable promise for developing innovative environmental applications. This review highlights the recent progress in the use of self-propelled nanomotors for water remediation and ...
    • Chemically powered micro- and nanomotors 

      Sanchez, Samuel; Soler Turu, Lluís; Katuri, Jaideep (2015-01-26)
      Article
      Restricted access - publisher's policy
      Chemically powered micro- and nanomotors are small devices that are self-propelled by catalytic reactions in fluids. Taking inspiration from biomotors, scientists are aiming to find the best architecture for self-propulsion, ...
    • Nano and micro architectures for self-propelled motors 

      Parmar, Jemish; Ma, Xing; Katuri, Jaideep; Simmchen, Juliane; Stanton, Morgan M.; Trichet-Paredes, Carolina; Soler Turu, Lluís; Sanchez, Samuel (2015-01-28)
      Article
      Open Access
      Self-propelled micromotors are emerging as important tools that help us understand the fundamentals of motion at the microscale and the nanoscale. Development of the motors for various biomedical and environmental applications ...
    • Nano-photocatalysts in microfluidics, energy conversion and environmental applications 

      Parmar, Jemish; Jang, Seungwook; Soler Turu, Lluís; Kim, Dong-Pyo; Sanchez, Samuel (2015-04-22)
      Article
      Open Access
      Extensive studies have been carried out on photocatalytic materials in recent years as photocatalytic reactions offer a promising solution for solar energy conversion and environmental remediation. Currently available ...
    • Photoactive rolled-up TiO2 microtubes: fabrication, characterization and applications 

      Giudicatti, Silvia; Marz, Sonja M.; Soler Turu, Lluís; Madani, Abbas; Jorgensen, Matthew R.; Sanchez, Samuel; Schmidt, Oliver G. (Royal Society of Chemistry, 2014-06-09)
      Article
      Restricted access - publisher's policy
      Because of its unique properties, titania (TiO2) represents a promising candidate in a wide variety of research fields. In this paper, some of the properties and potential applications of titania within rolled-up nanotechnology ...
    • Propulsion mechanism of catalytic microjet engines 

      Fomin, Vladimir M.; Hippler, Markus; Magdanz, Veronika; Soler Turu, Lluís; Sanchez, Samuel; Schmidt, Oliver G. (2014-02-05)
      Article
      Restricted access - publisher's policy
      We describe the propulsion mechanism of the catalytic microjet engines that are fabricated using rolled-up nanotech. Microjets have recently shown numerous potential applications in nanorobotics but currently there is a ...
    • Self-propelled micromotors for cleaning polluted water 

      Soler Turu, Lluís; Magdanz, Veronika; Fomin, Vladimir M.; Sanchez, Samuel; Schmidt, Oliver G. (2013-11-01)
      Article
      Restricted access - publisher's policy
      We describe the use of catalytically self-propelled microjets (dubbed micromotors) for degrading organic pollutants in water via the Fenton oxidation process. The tubular micromotors are composed of rolled-up functional ...
    • Surface roughness-induced speed increase for active Janus micromotors 

      choudhury, Udit; Soler Turu, Lluís; Gibbs, John G.; Sanchez, Samuel; Fischer, Peer (2015-01-01)
      Article
      Open Access
      We demonstrate a simple physical fabrication method to control surface roughness of Janus micromotors and fabricate self-propelled active Janus microparticles with rough catalytic platinum surfaces that show a four-fold ...
    • Thermal activation of catalytic microjets in blood samples using microfluidic chips 

      Soler Turu, Lluís; Martinez Cisneros, Cynthia; Swiersy, Anka; Sanchez, Samuel; Schmidt, Oliver G. (2013-09-10)
      Article
      Open Access
      We demonstrate that catalytic microjet engines can out-swim high complex media composed of red blood cells and serum. Despite the challenge presented by the high viscosity of the solution at room temperature, the catalytic ...
    • Trapping self-propelled micromotors with microfabricated chevron and heart-shaped chips 

      Restrepo Perez, Laura; Soler Turu, Lluís; Martinez Cisneros, Cynthia; Sanchez, Samuel; Schmidt, Oliver G. (2014-02-11)
      Article
      Open Access
      We demonstrate that catalytic micromotors can be trapped in microfluidic chips containing chevron and heart-shaped structures. Despite the challenge presented by the reduced size of the traps, microfluidic chips with ...