1,231 Hits in 7.8 sec

Tailoring the wettability and mechanical properties of electrospun poly( l -lactic acid)-poly(glycerol sebacate) core-shell membranes for biomedical applications

Yi Yan, Vitor Sencadas, Tiantian Jin, Xufeng Huang, Jun Chen, Dongbin Wei, Zhengyi Jiang
2017 Journal of Colloid and Interface Science  
When the concentration of PGS is up to 25 wt%, the blend's Young modulus decreases from ∼35.9 ± 7.1 to 7.5 ± 1.4 MPa and a twofold improvement in the sample stretchability was observed, compared with the  ...  When the concentration of PGS is up to 25 wt%, the blend's Young modulus decreases from ~35.9 ± 7.1 to 7.5 ± 1.4 MPa and a two-fold improvement in the sample stretchability was observed, compared with  ...  It was reported that the PGS Young modulus increases with the temperature and/or time of curing [6] .  ... 
doi:10.1016/j.jcis.2017.08.033 pmid:28822864 fatcat:6s5uc4c2hba6vl5ojjcozfbij4

An injectable meta-biomaterial [article]

Amelie Beduer, Fabien Bonini, Fabien Bonini, Patrick Burch, Thomas Braschler
2020 bioRxiv   pre-print
We present a novel type of injectable biomaterial with an elastic softening transition.  ...  The meta-biomaterial exhibits both high yield strain, and the desired novel elastic softening transition for in-situ shaping and unprecedented dynamic matching of adipose tissue mechanics.  ...  A fibrovascular tissue (pink in Fig. 4h Taken together, our in vivo experimentation demonstrated that the unique rheological and morphological properties of the EPI biomaterial translated into a novel  ... 
doi:10.1101/2020.01.30.926931 fatcat:yxgk5lc7ffe6ldmo3ncakdgq2a

Fabrication and Characterisation of a Magnetized Metal-encapsulated FBG sensor for Structural Health Monitoring

2018 IEEE Sensors Journal  
A novel means of metal packaging of a fibre Bragg grating (FBG) sensor using stainless steel and tin, together with high temperature resistant samarium cobalt (SmCo) magnet is proposed in this paper.  ...  Disciplines Engineering | Science and Technology Studies Abstract-A novel means of metal packaging of a fibre Bragg grating (FBG) sensor using stainless steel and tin, together with high temperature resistant  ...  EXPERIMENTAL SET UP FOR CHARACTERISATION OF THE METAL PACKAGED FBGS The packaged FBG sensors were characterised for load, temperature and vibration.  ... 
doi:10.1109/jsen.2018.2866803 fatcat:np2mbp7xcnebpauvkbxpuibglq

Subcritical carbon dioxide foaming of polycaprolactone for bone tissue regeneration

Rui M. Duarte, Jorge Correia-Pinto, Rui L. Reis, Ana Rita C. Duarte
2018 Journal of Supercritical Fluids  
Foams revealed a pore size range of 164-882 m, 73-99% porosity and 79-99% interconnectivity, assessed by micro-computed tomography, and a Young modulus of 1.76-2.92 MPa.  ...  polycaprolactone scaffolds using dense CO2 as foaming agent, without supercritical conditions, was evaluated in this study towards future applications in bone repair.  ...  In this work we selected polycaprolactone, a FDAapproved polymer used for several biomedical applications, which has attracted attention in bone tissue engineering for its biocompatibility, bioabsorbability  ... 
doi:10.1016/j.supflu.2018.05.019 fatcat:re6ggxsn2fcwxo5p3ft77yjqeq

Atomic Force Microscopy: A Powerful Tool to Address Scaffold Design in Tissue Engineering

Marica Marrese, Vincenzo Guarino, Luigi Ambrosio
2017 Journal of Functional Biomaterials  
conditions (i.e., liquid microenvironment, microgravity, low temperature [8]) for potential application in different biomedical fields.  ...  Functional polymers currently represent a basic component of a large range of biological and biomedical applications including molecular release, tissue engineering, bio-sensing and medical imaging.  ...  Alternatively, AFM probing techniques may be adapted to perform measurement of liquid viscosity, through the assessment of torsion in AFM cantilever as a whisker tip scanning occurs inside liquid medium  ... 
doi:10.3390/jfb8010007 pmid:28208801 pmcid:PMC5371880 fatcat:n4ytxogkhrhmjjudv3rjp7w3wu

Seventh International Conference

Colin Murray Parkes, Rosie Dalzell, Mike Pearson, Martin Newman
2005 Bereavement Care  
References: [1] Conclusions: We succeeded in the shear modulus and mechanical source reconstructions.  ...  Acknowledgements: We are grateful for the support from the NIH (R01-CA100373), and to colleagues at the Mayo Clinic in Rochester, MN and the Charing Cross Hospital in London, UK for providing some of the  ...  Methods: An experiment was performed on a breast phantom using the experimental set up shown in Figure 1a .  ... 
doi:10.1080/02682620508657640 fatcat:hwoqd64zz5b6bkhpyteeazib5u

Constitutive Activation of Myosin-Dependent Contractility Sensitizes Glioma Tumor-Initiating Cells to Mechanical Inputs and Reduces Tissue Invasion

Sophie Y. Wong, Theresa A. Ulrich, Loic P. Deleyrolle, Joanna L. MacKay, Brent A. Reynolds, Sanjay Kumar
2014 Biophysical Journal  
is a promising experimental handle for reversing the effect of tau on multiple-kinesin travel distance.  ...  Taken together, our observations uncover a previously unexplored role of tau for inhibiting multiple-kinesin velocity via reducing single-kinesin travel distance, and suggest that single-kinesin velocity  ...  However, this conclusion relies on independent measurements, with very different set-ups and tissues, thus impairing any quantitative comparison.  ... 
doi:10.1016/j.bpj.2013.11.2022 fatcat:rirxr7e3kzft3kz2g7ipyjak4a

The mutual effect of the crosslinker and biopolymer concentration on the desired hydrogel properties

Tilen Kopač, Aleš Ručigaj, Matjaž Krajnc
2020 International Journal of Biological Macromolecules  
Rheological measurements of prepared hydrogels were performed to determine the viscosity as a biomedical applicability factor and for determining shear modulus as a basis for theoretical mesh size calculations  ...  Controlled release technology has a great potential in pharmaceutical and medical applications to ensure high efficacy of treatment, reduces the aggressive action of the medicines per patient, decreases  ...  pressure and set rapidly at the target site (Fig. 3) which are key requirements for injectable hydrogels for biomedical applications.  ... 
doi:10.1016/j.ijbiomac.2020.05.088 pmid:32422268 fatcat:oo7hb74iuzeglmx5wvldq77k74

Translating Ocular Biomechanics into Clinical Practice: Current State and Future Prospects

Michaël J. A. Girard, William J. Dupps, Mani Baskaran, Giuliano Scarcelli, Seok H. Yun, Harry A. Quigley, Ian A. Sigal, Nicholas G. Strouthidis
2014 Current Eye Research  
FIGURE 5 C-mode section at the level of the LC through an Adaptive optics OCT scan of a glaucomatous eye acquired in vivo (left).  ...  This review aims to cultivate the idea that biomechanics plays a major role in ophthalmology and that the clinical translation, lead by collaborative teams of clinicians and biomedical engineers, will  ...  in a clinical setting is a major translational priority.  ... 
doi:10.3109/02713683.2014.914543 pmid:24832392 pmcid:PMC4233020 fatcat:pxnccitykzaarmyk5ykjwbub4q

Experimental and computational analysis of a novel flow channel to assess the adhesion strength of sessile marine organisms

S. Dimartino, A. V. Mather, T. Alestra, S. Nawada, M. Haber
2014 Interface Focus  
Research Cite this article: Dimartino S, Mather AV, Alestra T, Nawada S, Haber M. 2015 Experimental and computational analysis of a novel flow channel to assess the adhesion strength of sessile marine  ...  The authors thank Tim Huber of the Biomolecular Interaction Centre, University of Canterbury, New Zealand, for his assistance with contact angle measurements.  ...  in biomedical applications.  ... 
doi:10.1098/rsfs.2014.0059 pmid:25657838 pmcid:PMC4275873 fatcat:yaogsv7vhjfmrddnflsa567h5u

Multiscale Analysis of Intensive Longitudinal Biomedical Signals and Its Clinical Applications

Toru Nakamura, Ken Kiyono, Herwig Wendt, Patrice Abry, Yoshiharu Yamamoto
2016 Proceedings of the IEEE  
Recent advances in wearable and/or biomedical sensing technologies have made it possible to record continuous biomedical signals over long periods of time.  ...  This paper reviews multiscale approaches for their analysis.  ...  elucidate the underlying mathematical mechanisms of the pathological phase transitions in BD and develop novel prediction methods, leading to timely and effective interventions.  ... 
doi:10.1109/jproc.2015.2491979 fatcat:263pxiq6tjdb7hrkicocrly7qq

MRS Spring 1999 Meeting Features Soft, Magnetic, and Display Materials, Among Other Interdisciplinary Research Topics

1999 MRS bulletin  
Dielectric constants in the ränge of 1.8 to 2.2 were measured (by nanoindentation) to have a film modulus ofl5GPa.  ...  Several novel phosphors were reported for display applications and LED lighting.  ...  The principal result was the absence of a glass transition in microgravity, whereas on earth the glass transition occurs.  ... 
doi:10.1557/s0883769400052726 fatcat:ombu2s4flvcazlapevjqkskktq

Graphene Oxide-Doped Gellan Gum-PEGDA Bilayered Hydrogel Mimicking the Mechanical and Lubrication Properties of Articular Cartilage

Diego Trucco, Lorenzo Vannozzi, Eti Teblum, Madina Telkhozhayeva, Gilbert Daniel Nessim, Saverio Affatato, Hind Al-Haddad, Gina Lisignoli, Leonardo Ricotti
2021 Advanced Healthcare Materials  
Through appropriate combinations of GG and PEGDA, cartilage Young's modulus is effectively mimicked for both zones.  ...  The results shown in this paper open the way to a multilayered synthetic injectable or surgically implantable filler for restoring AC defects.  ...  This work received funding from the European Union's Horizon 2020 research and innovation program, grant agreement No 814413, project ADMAIORA (Advanced nanocomposite materials for in situ treatment and  ... 
doi:10.1002/adhm.202001434 pmid:33586352 fatcat:ru3lksu5yvcpvey77iqw2wqt5y

International Society for Biophysics and Imaging of the Skin - ISBS 2016 - Proceedings

Abdouni et all
2016 Journal Biomedical and Biopharmaceutical Research (BBR)  
The measurements show also an increase of the speed and Young's modulus with ageing (young men: s=3.2+-0.2m/s; old men: s=3.6±0.3m/s).  ...  The comparison between male and female groups reveals that the parameters are higher of 9% for speed and 17% for Young's modulus, for women.  ...  We found a strong positive, linear correlation between imaging analysis derived Individual Typology Angle (ITA°) and instrumentally derived ITA° values for all time points and both, pigmented and non-pigmented  ... 
doi:10.19277/bbr.2016.5.1 fatcat:4b7pnbhipzdt3h5bltlj3r2nvy


2021 Biomedical Engineering  
Several coordinated electrical high-end servo drives are used so each axis may operate in force or position control (depending on the application) in the advanced feed-forward control mode.  ...  moreover, that new insights can be made through the analysis of spatial components of MMG.  ...  Program for the financial support.  ... 
doi:10.1515/bmt-2021-6018 pmid:34598363 fatcat:nj3ib6kodrb6fo5s6ov5zitpdi
« Previous Showing results 1 — 15 out of 1,231 results