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Implantable ultra-low power DSP-based system for a miniature chemico-rheological biosensor

L. Bolomey, E. Meurville, P. Ryser
2009 Procedia Chemistry  
The ultra-low power system architecture achieves an energy per viscosity measurement of only 16.6mJ of which 56% are dedicated to the micro-rheometer, 40% to the transceiver, and 4% to the DSP.  ...  The System in Package (SiP) fits in a 8.4mm in diameter cylinder and hence is implantable. As this generic system is fully programmable, it may further control any biosensor or bioactuator.  ...  Corradini (LPM2-EPFL) for all the useful discussions about the packaging aspects and the realization of the presented prototypes.  ... 
doi:10.1016/j.proche.2009.07.308 fatcat:dsreefiw6zcr3cr3yyiym6nikq

3D printing-A Review of Materials, Applications, and Challenges

Sachin J. Pandhare
2021 International Journal for Research in Applied Science and Engineering Technology  
It also discusses about the materials used in 3DP, mix design, various applications and challenges in the construction industry. Keywords: 3D printing, Concrete, 3DCP, Mix design.  ...  This paper attempts to review the digital printing technology introduced in the construction industry and the also highlights the impact on concrete technology.  ...  Here author observed influence of incorporation of fly ash on the properties of powder-based 3D printable geopolymer was investigated in this study. 7-day compressive strength found up to 24.9 MPa was  ... 
doi:10.22214/ijraset.2021.39174 fatcat:ritiolrgbvgftnsvk4cub6qk5i

Tutorial on laser speckle rheology: technology, applications, and opportunities

Zeinab Hajjarian, Seemantini K. Nadkarni
2020 Journal of Biomedical Optics  
We specifically focus on laser speckle rheology (LSR), a technology that quantifies the mechanical properties of tissues in a rapid, noncontact manner.  ...  These technological nuances have primed the LSR for widespread applications in diagnosis and therapeutic monitoring, as demonstrated here, in cardiovascular disease, coagulation disorders, and tumor malignancies  ...  the micromechanical properties of the tumor extracellular matrix, and engineering endoscopic probes for intraluminal imaging of soft tissue biomechanics for a variety of clinical applications.  ... 
doi:10.1117/1.jbo.25.5.050801 pmid:32358928 pmcid:PMC7195443 fatcat:y53tdzb7xbcu7g6ug2lowfreiq

The Use of Agricultural Waste in the Modification of Poly(lactic acid)-Based Composites Intended for 3D Printing Applications. The Use of Toughened Blend Systems to Improve Mechanical Properties

Jacek Andrzejewski, Karolina Grad, Wojciech Wiśniewski, Joanna Szulc
2021 Journal of Composites Science  
The presented research focused on improving the mechanical properties of PLA-based composites reinforced with buckwheat husks (BH) particles. The research work was carried out in two stages.  ...  Mechanical characteristic was evaluated using static tensile and flexural measurements and Charpy impact resistance tests.  ...  Acknowledgments: The authors express their gratitude to Paweł Magnuszewski from the company DKSH GmbH for providing the chain extender compound necessary for this research study.  ... 
doi:10.3390/jcs5100253 fatcat:nphrq3nav5e7fkzagekj3wu5rm

Microfluidics Mediated Production of Foams for Biomedical Applications

Ilham Maimouni, Cesare M. Cejas, Janine Cossy, Patrick Tabeling, Maria Russo
2020 Micromachines  
playing a crucial role in their production for biomedical applications, especially as scaffolds in tissue engineering.  ...  This short review explores both the fabrication and the characterization of foams, with a focus on solid polymer foams, and sheds the light on how microfluidics can overcome some existing limitations,  ...  For these methods, porosity is varied by tuning different parameters such as temperature, liquids' viscosities and reactants' concentrations.  ... 
doi:10.3390/mi11010083 pmid:31940876 pmcid:PMC7019871 fatcat:zcqxoxa4xnhhbf6y5jrbsep3su

Effects of the Processing Parameters on the Shear Viscosity of Cyclic Olefin Copolymer Plasticized by Ultrasonic Vibration Energy

Jin Lu, Yuanbao Qiang, Wangqing Wu, Bingyan Jiang
2020 Polymers  
This could be further account for the decrease of the shear viscosity of COC.  ...  The results showed that the shear viscosity of COC was reduced under various parameter combinations, and demonstrated a significant difference in the lower shear rate range in comparison with the control  ...  Shear viscosity measurements were performed by a high pressure capillary rheometer; the testing temperature was 240 • C; the testing shear rate ranged from 70 s −1 to 5000 s −1 ; and a die with a length-to-radius  ... 
doi:10.3390/polym12030539 pmid:32131515 fatcat:msw67ydhv5dadatfyoxb7vubeq

Development and Application of an Additively Manufactured Calcium Chloride Nebulizer for Alginate 3D-Bioprinting Purposes

Lukas Raddatz, Antonina Lavrentieva, Iliyana Pepelanova, Janina Bahnemann, Dominik Geier, Thomas Becker, Thomas Scheper, Sascha Beutel
2018 Journal of Functional Biomaterials  
We suggest our work to show a different and novel approach on alginate bioprinting, which could be useful in generating cell-laden hydrogel constructs for e.g., drug screening or (soft) tissue engineering  ...  applications.  ...  Acknowledgments: The authors acknowledge Ethan Overfelt for proofreading the manuscript and all associates for helpful discussions and technical support.  ... 
doi:10.3390/jfb9040063 pmid:30423908 fatcat:kkyvipxdgzbprgvvqjyzcawpka

Optically clear biomicroviscometer with modular geometry using disposable PDMS chips

Niko Lee-Yow, Katie L. Pitts, Marianne Fenech
2017 2017 IEEE International Symposium on Medical Measurements and Applications (MeMeA)  
This setup allows for a direct measurement of the change in pressure and flow rate, increasing the overall accuracy of the measurement of viscosity and optical observation.  ...  This measurement technique has potential applications in measuring rheological properties at the micro level to further blood disease analysis, and lab-on-a-chip fabrication and analysis.  ...  The design was accepted by, and presented at, the Medical Methods and Applications (MeMeA) conference in 2017.  ... 
doi:10.1109/memea.2017.7985852 dblp:conf/memea/Lee-YowPF17 fatcat:bkikdeeotrc5rfi4yxp2nvqi3u

Innovative Methods and Applications in Mucoadhesion Research

Alan R. Mackie, Francisco M. Goycoolea, Bianca Menchicchi, Carla Marcella Caramella, Francesca Saporito, Seunghwan Lee, Karen Stephansen, Ioannis S. Chronakis, Marianne Hiorth, Malgorzata Adamczak, Max Waldner, Hanne Mørck Nielsen (+1 others)
2017 Macromolecular Bioscience  
Recent applications of mucoadhesive systems (including 14 medical devices) intended for different routes of administration (oral, gastro-intestinal, vaginal, 15 nasal, ocular and intravesical) and for  ...  4 The present review is aimed at elucidating relatively new aspects of mucoadhesion/mucus 5 interaction and related phenomena that emerged from a Mucoadhesion workshop held in 6 Munster on 2-3 September  ...  The increase in viscosity (positive 5 synergism) respect to the sum of the individual viscosities of the two components measured in 6 the same conditions as the mixture (in terms of concentration, temperature  ... 
doi:10.1002/mabi.201600534 pmid:28378910 fatcat:nwuuld3m6fb3rkz23vlisw47le

An Overview of Magneto- and Electro-Rheological Fluids and their Applications in Fluid Power Systems

Ashish Agrawal, Prashant Kulkarni, Sheila L. Vieira, Nagi G. Naganathan
2001 International Journal of Fluid Power  
The rapid change in viscosity of magnetorheological (MR) and electrorheological (ER) fluids subjected to a magnetic or an electric field, respectively, has attracted the attention of many researchers.  ...  In this paper we present an overview of magneto-and electrorheological fluids, their basic properties, behaviour under different flow types and their uses in fluid power systems, among others.  ...  for medical applications.  ... 
doi:10.1080/14399776.2001.10781106 fatcat:x5mzghpndzfffn4bjhno4drecu

High-Throughput Characterization of Fluid Properties to Predict Droplet Ejection for Three-Dimensional Inkjet Printing Formulations

Zuoxin Zhou, Laura Ruiz Cantu, Xuesheng Chen, Morgan R. Alexander, Clive J. Roberts, Richard Hague, Christopher Tuck, Derek Irvine, Ricky Wildman
2019 Additive Manufacturing  
Use of a liquid handler containing multi-pipette heads, to rapidly prepare inkjet formulations in a micro-array format, and subsequently measure the viscosity and surface tension for each in a high-throughput  ...  processing window for a chosen application.  ...  and Play Platform for a Disruptive UK Industry'.  ... 
doi:10.1016/j.addma.2019.100792 fatcat:6yc47llrgre33m2ep773gsx4ha

Preliminary Analysis of Extruded PP Filaments for FFF

Roberto Spina, Bruno Cavalcante
2020 Procedia Manufacturing  
Using this model, a better understanding of the effect of extrusion runs on the thermal process was achieved, also identifying most influencing material properties.  ...  Using this model, a better understanding of the effect of extrusion runs on the thermal process was achieved, also identifying most influencing material properties.  ...  The rheological measurements were performed on a HAAKE MARS III rotational rheometer (Thermo Fisher Scientific Inc, Waltham, USA), using nitrogen as a shielding gas to avoid polymer degradation and water  ... 
doi:10.1016/j.promfg.2020.04.281 fatcat:sqkydytwxrh4rkryrrs2u2byn4

Poly(vinyl alcohol): formulation of a polymer ink for the patterning of substrates with a drop-on-demand inkjet printer
Poli(vinil alkohol): sestavljanje polimernega črnila za tiskanje podlag z brizgalnim tiskalnikom

Pavol Šuly, Petr Krčmár, Jan Mašlík, Pavel Urbánek, Ivo Kuritka
2017 Materiali in Tehnologije  
It allows the highly precise deposition of functional materials to the required place on a substrate and a cost-saving printing process, especially when the drop-on-demand manner is used.  ...  Moreover, it represents the perfect technique for the controlled deposition of polymer material, especially for polymer solutions, because of their low viscosity and better process ability.  ...  We also acknowledge the support of the Internal Grant Agency of Tomas Bata University in Zlín (number: IGA/CPS/2015/006).  ... 
doi:10.17222/mit.2015.180 fatcat:dbletl2j2bg3zbhx6ho3xskhti

Poster session 10: Medical measuring techniques I

Pavel Livshits, Andreas Jupe, Stefan Kahnert, Martin Figge, Stefan Mross, Michael Goertz, Holger Vogt, Andreas Goehlich
2017 Biomedical Engineering  
Infectious diseases are one of the world's leading causes of morbidity and death. In the case of newborns, infections with the Respiratory Syncytial Virus (RSV) are of particular significance.  ...  In this work, a novel flexural plate wave (FPW) bio-MEMS sensor for the detection of RSV infections in newborns has been successfully designed, fabricated and tested.  ...  In addition, all samples have been analyzed using a rheometer, which measures directly the viscosity of the effusion.  ... 
doi:10.1515/bmt-2017-5031 fatcat:qoib4woaqrcfpoot3ra547ghtm

Experimental measurements of gravity casting flow

Libor Lobovský, Tomáš Mandys, P. Dančová, J. Novosad
2019 EPJ Web of Conferences  
The tests are carried out for selected highly-viscous Newtonian fluids at room temperature. The physical properties of the test fluids (i.e. viscosity, surface tension and density) are identified.  ...  Casting molds made of transparent material allow for analysis of flow patterns by means of standard optical measurement methods.  ...  This study is supported by the grant project GA 18-25734S "Experimental and computational modelling of free surface flow of non-Newtonian fluids with dispersed particles" of the Czech Science Foundation  ... 
doi:10.1051/epjconf/201921302054 fatcat:kdoeo7x7kjdedfb6snlna36fs4
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