25 Feb 2020
Hybrid sperm micromotors actively swim against continuous and pulsatile blood. They swim alone or in trains, and they can deliver heparin cargo to prevent blood clotting.
4 Dec 2017
A sperm-driven micromotor acts as a targeted drug delivery system to potentially treat diseases in the female reproductive tract.
24 May 2017
In this extended comment we call on microrobotics researchers, materials scientists, bioimaging and medical specialists to work together to tackle the challenges on the way to in-vivo applications.
21 Mar 2017
V. Magdanz, M. Medina-Sánchez, L. Schwarz, H. Xu, J. Elgeti, O. G. Schmidt
24 Jan 2017
Monolithically integrated vertical ring resonators pave the way for optofluidics in three-dimensions on photonic chips.
6 Jun 2016
Microtubular sensor reaches attomolar level detection of Avian Influenza Virus H1N1 DNA without any labelling or amplification.
6 Jun 2016
Tumor cell devision is mimicked inside blood capillaries by investigating single-cell mitosis of living human cancer cells trapped inside rolled-up microtubes.
21 Dec 2015
Magnetically activated microhelices serve as motors for transporting sperm cells with motion deficiencies to help them carry out their natural function.
30 Nov 2015
S. K. Srivastava, M. Medina-Sánchez, B. Koch, O. G. Schmidt
We present efficient wastewater-mediated activation of catalytic micromotors for the degradation of nitroaromatic pollutants in water.
We exploit the well-defined geometry and optical transparency of glass microtubes to investigate how scaffold dimensionality and cell confinement influence the spontaneous migration of neural stem cells.
We use micropatterning and strain engineering to encapsulate single living mammalian cells into transparent tubular architectures consisting of 3D rolled-up nanomembranes.
Ultracompact three-dimensional tubular structures integrating Au-based electrodes serve as impedimetric microsensors for the in-flow determination of mono- and divalent ionic species and HeLa cells.
Flexible self-propelled microjets are formed by temperature-induced folding of thin polymer films into microtubes that contain an inner platinum layer for catalytic bubble propulsion in hydrogen peroxide.
Dr. L. Baraban, Dr. S. M. Harazim, Dr. S. Sanchez, Prof. Dr. O. G. Schmidt
We fabricate inorganic thin film transistors with bending radii of less than 5μm maintaining their high electronic performance with on-off ratios of more than 100.000 and subthreshold swings of 160mV/dec.
We present a conceptually new approach for the detection of magnetic objects flowing through a fluidic channel.
We design nanoscale tools in the form of autonomous and remotely guided catalytically self-propelled rolled-up tubes.
S. M. Harazim, W. Xi, C. K. Schmidt, S. Sanchez, O. G. Schmidt
The advances we have made in engineering of tubular optical sensors and their on-chip integration allows us to fabricate rolled-up optofluidic ring resonators based on glass material with high quality factors fully integrated on-chip.
A lab-in-a-tube device comprises numerous ultracompact components in a single tube which can be developed using rolled-up technology.
E. J. Smith, S. Schulze, S. Kiravittaya, Y. Mei, S. Sanchez, O. G. Schmidt
Rolled-up nanotech is used to fabricate magnetic sensor devices, which are directly integrated into fluidic architectures.
We report the tuning of the propulsion power of catalytic microjets through illumination of a solution by a white-light source.
We fabricate microjet engines that acquire superfast speeds of 10 mm sec-1.
In this tutorial review we describe recent progress on catalytic microtubular engines fabricated by rolled-up nanotech.
"The smallest man-made jet engine measures just 600nm across and weighs 1 picogram.
The motion of artificial catalytic nanomachines is commonly studied in free bulk solution, which differs significantly from the stream-like channel networks existing in the human body.
Animal cells can be transported within a fluid in a controllable manner by using artificial microbots.
Optofluidic microcavities from rolled-up ring resonators with subwavelength wall thicknesses are fabricated with excellent sensing function.
Primary mouse motor neurons and immortalised CAD cells, a cell line derived from the central nervous system, can be well cultured on arrays of rolled-up microtubes.
Artificial autonomous systems act as catalytic water striders at the air–liquid interface of hydrogen peroxide solution.
We have designed a novel hybrid biocatalytic microengine.
A. A. Solovev, S. Sanchez, M. Pumera, Y. F. Mei, O. G. Schmidt
Detailed investigations of individual yeast cells in a single transparent microtube reveal the mechanical interaction between the tube and the 2D confined cells causing different cellular assemblies.
Wir haben winzige Mikroraketen hergestellt, die sich durch ein Magnetfeld fernsteuern lassen.
Y. Mei, G. Huang, A. A. Solovev, E. Bermúdez Ureña, I. Mönch, F. Ding, T. Reindl, R. K. Y. Fu, P. K. Chu, O. G. Schmidt
A. Malachias, Y. Mei, R. K. Annabattula, C. Deneke, P. R. Onck, O. G. Schmidt
We use Si/SiO microtubes as optofluidic components to sense glucose concentrations in water.
We have developed a method that exploits the deterministic wrinkling and a subsequent bond-back of a semiconductor layer to create well-defined and versatile nanochannel networks.
