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  • 1.
    Darabi, Sozan
    et al.
    Chalmers University of Technology, Sweden.
    Hummel, Michael
    Aalto University, Finland.
    Rantasalo, Sami
    Aalto University, Finland.
    Rissanen, Marja
    Aalto University, Finland.
    Öberg Månsson, Ingrid
    KTH Royal Institute of Technology, Sweden.
    Hilke, Haike
    University of Borås, Sweden.
    Hwang, Byungil
    Chung-Ang University, Republic of Korea.
    Skrifvars, Mikael
    University of Borås, Sweden.
    Hamedi, Mahiar M.
    KTH Royal Institute of Technology, Sweden.
    Sixta, Herbert
    Aalto University, Finland.
    Lund, Anja
    Chalmers University of Technology, Sweden.
    Müller, Christian
    Chalmers University of Technology, Sweden; Chalmers University of Technology, Sweden.
    Green Conducting Cellulose Yarns for Machine-Sewn Electronic Textiles2020Inngår i: ACS Applied Materials and Interfaces, ISSN 1944-8244, E-ISSN 1944-8252, Vol. 12, nr 50, s. 56403-56412Artikkel i tidsskrift (Fagfellevurdert)
  • 2.
    Hofmann, Anna I.
    et al.
    Chalmers University of Technology, Sweden.
    Östergren, Ida
    Chalmers University of Technology, Sweden.
    Kim, Youngseok
    Gwangju Institute of Science and Technology, Republic of Korea.
    Fauth, Sven
    Chalmers University of Technology, Sweden.
    Craighero, Mariavittoria
    Chalmers University of Technology, Sweden.
    Yoon, Myung-Han
    Gwangju Institute of Science and Technology, Republic of Korea.
    Lund, Anja
    Chalmers University of Technology, Sweden.
    Müller, Christian
    Chalmers University of Technology, Sweden.
    All-Polymer Conducting Fibers and 3D Prints via Melt Processing and Templated Polymerization2020Inngår i: ACS Applied Materials and Interfaces, ISSN 1944-8244, E-ISSN 1944-8252, Vol. 12, nr 7, s. 8713-8721Artikkel i tidsskrift (Fagfellevurdert)
  • 3.
    Hwang, Byungil
    et al.
    Chung-Ang University, Republic of Korea.
    Lund, Anja
    Chalmers University of Technology, Sweden.
    Tian, Yuan
    Chalmers University of Technology, Sweden.
    Darabi, Sozan
    Chalmers University of Technology, Sweden; Chalmers University of Technology, Sweden.
    Müller, Christian
    Chalmers University of Technology, Sweden; Chalmers University of Technology, Sweden.
    Machine-Washable Conductive Silk Yarns with a Composite Coating of Ag Nanowires and PEDOT:PSS2020Inngår i: ACS Applied Materials and Interfaces, ISSN 1944-8244, E-ISSN 1944-8252, Vol. 12, nr 24, s. 27537-27544Artikkel i tidsskrift (Fagfellevurdert)
  • 4.
    Hynynen, Jonna
    et al.
    Chalmers University of Technology, Sweden.
    Järsvall, Emmy
    Chalmers University of Technology, Sweden.
    Kroon, Renee
    Chalmers University of Technology, Sweden.
    Zhang, Yadong
    Georgia Institute of Technology, USA.
    Barlow, Stephen
    Georgia Institute of Technology, USA.
    Marder, Seth R.
    Georgia Institute of Technology, USA.
    Kemerink, Martijn
    Linköping University, Sweden.
    Lund, Anja
    Chalmers University of Technology, Sweden.
    Müller, Christian
    Chalmers University of Technology, Sweden.
    Enhanced Thermoelectric Power Factor of Tensile Drawn Poly(3-hexylthiophene)2018Inngår i: ACS Macro Letters, E-ISSN 2161-1653, Vol. 8, nr 1, s. 70-76Artikkel i tidsskrift (Fagfellevurdert)
  • 5.
    Kim, Youngseok
    et al.
    Gwangju Institute of Science and Technology, Republic of Korea.
    Lund, Anja
    Chalmers University of Technology, Sweden.
    Noh, Hyebin
    Gwangju Institute of Science and Technology, Republic of Korea.
    Hofmann, Anna I.
    Chalmers University of Technology, Sweden.
    Craighero, Mariavittoria
    Department of Chemistry and Chemical Engineering Chalmers University of Technology Göteborg 41296 Sweden.
    Darabi, Sozan
    Chalmers University of Technology, Sweden.
    Zokaei, Sepideh
    Chalmers University of Technology, Sweden.
    Park, Jae Il
    Gwangju Institute of Science and Technology, Republic of Korea.
    Yoon, Myung‐Han
    Gwangju Institute of Science and Technology, Republic of Korea.
    Müller, Christian
    Chalmers University of Technology, Sweden.
    Robust PEDOT:PSS Wet‐Spun Fibers for Thermoelectric Textiles2020Inngår i: Macromolecular materials and engineering, ISSN 1438-7492, E-ISSN 1439-2054, Vol. 305, nr 3Artikkel i tidsskrift (Fagfellevurdert)
  • 6.
    Licea-Jiménez, L.
    et al.
    Chalmers University of Technology, Sweden.
    Henrio, P.-Y.
    Chalmers University of Technology, Sweden.
    Lund, Anja
    Chalmers University of Technology, Sweden.
    Laurie, T.M.
    Chalmers University of Technology, Sweden.
    Pérez-García, S.A.
    Chalmers University of Technology, Sweden.
    Nyborg, L.
    Chalmers University of Technology, Sweden.
    Hassander, H.
    Lund Institute of Technology, Sweden.
    Bertilsson, H.
    University College Borås, Sweden.
    Rychwalski, R.W.
    Chalmers University of Technology, Sweden.
    MWNT reinforced melamine-formaldehyde containing alpha-cellulose2007Inngår i: Composites Science And Technology, ISSN 0266-3538, E-ISSN 1879-1050, Vol. 67, nr 5, s. 844-854Artikkel i tidsskrift (Fagfellevurdert)
  • 7.
    Lund, Anja
    et al.
    RISE Research Institutes of Sweden, Material och produktion, Polymera material och kompositer. Chalmers University of Technology, Sweden.
    Darabi, Sozan
    Chalmers University of Technology, Sweden.
    Hultmark, Sandra
    Chalmers University of Technology, Sweden.
    Ryan, Jason D.
    Chalmers University of Technology, Sweden.
    Andersson, Barbro
    Göteborgs Hemslöjdsförening, Sweden.
    Ström, Anna
    Chalmers University of Technology, Sweden.
    Müller, Christian
    Chalmers University of Technology, Sweden.
    Roll‐to‐Roll Dyed Conducting Silk Yarns: A Versatile Material for E‐Textile Devices2018Inngår i: Advanced Materials Technologies, E-ISSN 2365-709X, Vol. 3, nr 12Artikkel i tidsskrift (Fagfellevurdert)
  • 8.
    Lund, Anja
    et al.
    University of Borås, Sweden; Chalmers University of Technology, Sweden.
    Gustafsson, Cornelia
    University of Borås, Sweden.
    Bertilsson, Hans
    University of Borås, Sweden.
    Rychwalski, Rodney W.
    Chalmers University of Technology, Sweden.
    Enhancement of β phase crystals formation with the use of nanofillers in PVDF films and fibres2011Inngår i: Composites Science And Technology, ISSN 0266-3538, E-ISSN 1879-1050, Vol. 71, nr 2, s. 222-229Artikkel i tidsskrift (Fagfellevurdert)
  • 9.
    Lund, Anja
    et al.
    Chalmers University of Technology, Sweden; University of Borås, Sweden.
    Hagström, Bengt
    RISE., Swerea, IVF.
    Melt spinning of poly(vinylidene fluoride) fibers and the influence of spinning parameters on β‐phase crystallinity2010Inngår i: Journal of Applied Polymer Science, ISSN 0021-8995, E-ISSN 1097-4628, Vol. 116, nr 5, s. 2685-2693Artikkel i tidsskrift (Fagfellevurdert)
  • 10.
    Lund, Anja
    et al.
    Chalmers University of Technology, Sweden; University of Borås, Sweden.
    Hagström, Bengt
    RISE., Swerea, IVF.
    Melt spinning of β‐phase poly(vinylidene fluoride) yarns with and without a conductive core2010Inngår i: Journal of Applied Polymer Science, ISSN 0021-8995, E-ISSN 1097-4628, Vol. 120, nr 2, s. 1080-1089Artikkel i tidsskrift (Fagfellevurdert)
  • 11.
    Lund, Anja
    et al.
    University of Borås, Sweden; Chalmers University of Technology, Sweden.
    Johansson, Christer
    RISE., Swedish ICT, Acreo.
    Jonasson, Christian
    Haagensen, Daniel
    Chalmers University of Technology, Sweden.
    Hagström, Bengt
    RISE - Research Institutes of Sweden (2017-2019), Material och produktion, IVF. Chalmers University of Technology, Sweden.
    Piezoelectric polymeric bicomponent fibers produced by melt spinning2012Inngår i: Journal of Applied Polymer Science, ISSN 0021-8995, E-ISSN 1097-4628, Vol. 126, nr 2, s. 490-500Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Melt spinning of a novel piezoelectric bicomponent fiber, with poly(vinylidene fluoride) as the electroactive sheath component, has been demonstrated. An electrically conductive compound of carbon black (CB) and high density polyethylene was used as core material, working as an inner electrode. A force sensor consisting of a number of fibers embedded in a soft CB/polyolefin elastomer matrix was manufactured for characterization. The fibers showed a clear piezoelectric effect, with a voltage output (peak-to-peak) of up to 40 mV under lateral compression. This continuous all-polymer piezoelectric fiber introduces new possibilities toward minimal single fiber sensors as well as large area sensors produced in standard industrial weaving machines.

  • 12.
    Lund, Anja
    et al.
    Chalmers University of Technology, Sweden; University of Borås, Sweden.
    Jonasson, Christian
    RISE., Swedish ICT, Acreo.
    Johansson, Christer
    RISE., Swedish ICT, Acreo.
    Haagensen, Daniel
    RISE., Swerea, IVF. Chalmers University of Technology, Sweden.
    Hagström, Bengt
    Chalmers University of Technology, Sweden.
    Piezoelectric polymeric bicomponent fibers produced by melt spinning2012Inngår i: Journal of Applied Polymer Science, ISSN 0021-8995, E-ISSN 1097-4628, Vol. 126, nr 2, s. 490-500Artikkel i tidsskrift (Fagfellevurdert)
  • 13.
    Lund, Anja
    et al.
    Chalmers University of Technology, Sweden; University of Borås, Sweden.
    Rundqvist, Karin
    University of Borås, Sweden.
    Nilsson, Erik
    RISE., Swerea, IVF.
    Yu, Liyang
    Chalmers University of Technology, Sweden.
    Hagström, Bengt
    RISE., Swerea, IVF. Chalmers University of Technology, Sweden.
    Müller, Christian
    Chalmers University of Technology, Sweden.
    Energy harvesting textiles for a rainy day: woven piezoelectrics based on melt-spun PVDF microfibres with a conducting core2018Inngår i: npj Flexible Electronics, E-ISSN 2397-4621, Vol. 2, nr 1, artikkel-id 9Artikkel i tidsskrift (Fagfellevurdert)
  • 14.
    Lund, Anja
    et al.
    Chalmers University of Technology, Sweden.
    Rundqvist, Karin
    University of Borås, Sweden.
    Nilsson, Erik
    RISE - Research Institutes of Sweden (2017-2019), Material och produktion, IVF.
    Yu, Liyang
    Chalmers University of Technology, Sweden.
    Hagström, Bengt
    RISE - Research Institutes of Sweden (2017-2019), Material och produktion, IVF. Chalmers University of Technology, Sweden.
    Müller, Christian
    Chalmers University of Technology, Sweden.
    Energy harvesting textiles for a rainy day: woven piezoelectrics based on melt-spun PVDF microfibres with a conducting core2018Inngår i: npj Flexible Electronics, Vol. 2, artikkel-id 9Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Recent advances in ubiquitous low-power electronics call for the development of light-weight and flexible energy sources. The textile format is highly attractive for unobtrusive harvesting of energy from e.g., biomechanical movements. Here, we report the manufacture and characterisation of fully textile piezoelectric generators that can operate under wet conditions. We use a weaving loom to realise textile bands with yarns of melt-spun piezoelectric microfibres, that consist of a conducting core surrounded by β-phase poly(vinylidene fluoride) (PVDF), in the warp direction. The core-sheath constitution of the piezoelectric microfibres results in a—for electronic textiles—unique architecture. The inner electrode is fully shielded from the outer electrode (made up of conducting yarns that are integrated in the weft direction) which prevents shorting under wet conditions. As a result, and in contrast to other energy harvesting textiles, we are able to demonstrate piezoelectric fabrics that do not only continue to function when in contact with water, but show enhanced performance. The piezoelectric bands generate an output of several volts at strains below one percent. We show that integration into the shoulder strap of a laptop case permits the continuous generation of four microwatts of power during a brisk walk. This promising performance, combined with the fact that our solution uses scalable materials and well-established industrial manufacturing methods, opens up the possibility to develop wearable electronics that are powered by piezoelectric textiles.

  • 15.
    Lund, Anja
    et al.
    Chalmers University of Technology, Sweden.
    Tian, Yuan
    Chalmers University of Technology, Sweden.
    Darabi, Sozan
    Chalmers University of Technology, Sweden.
    Müller, Christian
    Chalmers University of Technology, Sweden.
    A polymer-based textile thermoelectric generator for wearable energy harvesting2020Inngår i: Journal of Power Sources, ISSN 0378-7753, E-ISSN 1873-2755, Vol. 480, s. 228836-228836, artikkel-id 228836Artikkel i tidsskrift (Fagfellevurdert)
  • 16.
    Lund, Anja
    et al.
    Chalmers University of Technology, Sweden.
    van der Velden, Natascha M.
    Delft University of Technology, Netherlands.
    Persson, Nils-Krister
    University of Borås, Sweden.
    Hamedi, Mahiar M.
    KTH Royal Institute of Technology, Sweden.
    Müller, Christian
    Chalmers University of Technology, Sweden.
    Electrically conducting fibres for e-textiles: An open playground for conjugated polymers and carbon nanomaterials2018Inngår i: Materials science & engineering. R, Reports, ISSN 0927-796X, E-ISSN 1879-212X, Vol. 126, s. 1-29Artikkel i tidsskrift (Fagfellevurdert)
  • 17.
    Lund, Anja
    et al.
    Chalmers University of Technology, Sweden.
    Wu, Yunyun
    University of Windsor, Canada.
    Fenech-Salerno, Benji
    Imperial College London, UK.
    Torrisi, Felice
    Imperial College London, UK.
    Carmichael, Tricia Breen
    University of Windsor, Canada.
    Müller, Christian
    Chalmers University of Technology, Sweden.
    Conducting materials as building blocks for electronic textiles2021Inngår i: MRS bulletin, ISSN 0883-7694, E-ISSN 1938-1425, Vol. 46, nr 6, s. 491-501Artikkel i tidsskrift (Fagfellevurdert)
  • 18.
    Nilsson, Erik
    et al.
    RISE., Swerea, IVF. Chalmers University of Technology, Sweden.
    Lund, Anja
    Chalmers University of Technology, Sweden; University of Borås, Sweden.
    Jonasson, Christian
    RISE., Swedish ICT, Acreo.
    Johansson, Christer
    RISE., Swedish ICT, Acreo.
    Hagström, Bengt
    RISE., Swerea, IVF. Chalmers University of Technology, Sweden.
    Poling and characterization of piezoelectric polymer fibers for use in textile sensors2013Inngår i: Sensors and Actuators A-Physical, ISSN 0924-4247, E-ISSN 1873-3069, Vol. 201, s. 477-486Artikkel i tidsskrift (Fagfellevurdert)
  • 19.
    Nilsson, Erik
    et al.
    RISE - Research Institutes of Sweden (2017-2019), Material och produktion, IVF. Chalmers University of Technology, Sweden.
    Lund, Anja
    Chalmers University of Technology, Sweden; University of Borås, Sweden.
    Jonasson, Christian
    RISE., Swedish ICT, Acreo.
    Johansson, Christer
    RISE., Swedish ICT, Acreo.
    Hagström, Bengt
    RISE - Research Institutes of Sweden (2017-2019), Material och produktion, IVF. Chalmers University of Technology, Sweden.
    Poling and characterization of piezoelectric polymer fibers for use in textile sensors2013Inngår i: Sensors and Actuators A-Physical, ISSN 0924-4247, E-ISSN 1873-3069, Vol. 201, s. 477-486Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    This study reports on the poling and characteristics of a melt-spun piezoelectric bicomponent fiber with poly(vinylidene fluoride) (PVDF) as its sheath component and a conductive composite with carbon black (CB) and high density polyethylene (HDPE) as its core component. The influence of poling conditions on the piezoelectric properties of the fibers has been investigated. The poling parameters temperature, time and poling voltage have been varied and the piezoelectric effect of both contact- and corona-poled yarns have been evaluated. The results show that a high piezoelectric effect is achieved when the poling voltage is high as possible and the poling temperature is between 60° C and 120 °C. It was also shown that permanent polarization is achieved in a time as short as 2 s in corona-poled fibers. A yarn exposed to a sinusoidal axial tension of 0.07% strain (the corresponding force amplitude was 0.05 N) shows an intrinsic voltage output of 4 V. The mean power from a 25 mm length of yarn is estimated to be 15 nW. To demonstrate the fibers sensor properties, they are woven into a textile fabric from which a force sensor is manufactured and used to detect the heartbeat of a human.

  • 20.
    Ouyang, Yingwei
    et al.
    Chalmers University of Technology, Sweden.
    Mauri, Massimiliano
    Chalmers University of Technology, Sweden.
    Pourrahimi, Amir Masoud
    Chalmers University of Technology, Sweden.
    Östergren, Ida
    Chalmers University of Technology, Sweden.
    Lund, Anja
    Chalmers University of Technology, Sweden.
    Gkourmpis, Thomas
    Borealis AB, Sweden.
    Prieto, Oscar
    Borealis AB, Sweden.
    Xu, Xiangdong
    Chalmers University of Technology, Sweden.
    Hagstrand, Per-Ola
    Borealis AB, Sweden.
    Müller, Christian
    Chalmers University of Technology, Sweden.
    Recyclable Polyethylene Insulation via Reactive Compounding with a Maleic Anhydride-Grafted Polypropylene2020Inngår i: ACS Applied Polymer Materials, ISSN 2637-6105, Vol. 2, nr 6, s. 2389-2396Artikkel i tidsskrift (Fagfellevurdert)
  • 21.
    Raudaschl, M.
    et al.
    Graz University of Technology, Austria.
    Levak, T.
    Graz University of Technology, Austria.
    Riewe, R.
    Graz University of Technology, Austria.
    Triantafyllidis, G.
    Graz University of Technology, Austria.
    Drnda, E.
    Graz University of Technology, Austria.
    Popek, S.
    Graz University of Technology, Austria.
    Schlegl, D.
    Graz University of Technology, Austria.
    Funke-Kaiser, D.
    Graz University of Technology, Austria.
    Lund, Anja
    RISE Research Institutes of Sweden, Material och produktion, Polymera material och kompositer.
    Piezoelectric Textile Facade for the energy supply of active sensor technology with regard to data management for circular economy in building construction2022Inngår i: IOP Conference Series: Earth and Environmental Science, Volume 1078, Issue 12022, Article number 012037, Institute of Physics , 2022, nr 1Konferansepaper (Fagfellevurdert)
    Abstract [en]

    The high GWP potential of construction requires a holistic approach such as circular economy. Currently, common joining, construction and planning practices result in heterogeneous assemblies of different components that are difficult to deconstruct. Furthermore, there is currently little information and data on building components used and the climatic impacts on them. In this context and with the intention of recording long-term (circular) processes in construction, the Piezo-Klett basic research project (FFG no. 879459) funded by the Austrian Research Promotion Agency (FFG) deals with the energy supply of active sensor technology in construction by combining the hook and loop fastener with piezoelectric components. The aim is to open new perspectives on sustainable energy production systems by transforming buildings into energy carriers and generators, analogous to a "battery". To this purpose, the result presented in this conference paper is a description of the constructive structure (climatic impacts, construction, piezo technology) of a "Piezoelectric Textile Facade" as well as test results on piezo tapes. This opens new possibilities in the context of the application of hook- and-loop fasteners, the energy supply of active sensor technologies as well as in the field of data acquisition and data management. 

  • 22.
    Rundqvist, Karin
    et al.
    University of Borås, Sweden.
    Sandsjö, Leif
    University of Borås, Sweden.
    Lund, Anja
    University of Borås, Sweden.
    Persson, Nils-Krister
    University of Borås, Sweden.
    Nilsson, Erik
    RISE - Research Institutes of Sweden (2017-2019), Material och produktion, IVF.
    Hagström, Bengt
    RISE - Research Institutes of Sweden (2017-2019), Material och produktion, IVF.
    Registrering av fotnedsättning baserat på piezoelektriska fibrer2014Konferansepaper (Annet vitenskapelig)
    Fulltekst (pdf)
    fulltext
  • 23.
    Ryan, Jason D.
    et al.
    Chalmers University of Technology, Sweden.
    Lund, Anja
    Chalmers University of Technology, Sweden.
    Hofmann, Anna I.
    Chalmers University of Technology, Sweden.
    Kroon, Renee
    Chalmers University of Technology, Sweden.
    Sarabia-Riquelme, Ruben
    Chalmers University of Technology, Sweden.
    Weisenberger, Matthew C.
    Department of Applied Energy Research, University of Kentucky, 2540 Research Park Drive, Lexington, Kentucky 40511, United States.
    Müller, Christian
    Chalmers University of Technology, Sweden.
    All-Organic Textile Thermoelectrics with Carbon-Nanotube-Coated n-Type Yarns2018Inngår i: ACS Applied Energy Materials, E-ISSN 2574-0962, Vol. 1, nr 6, s. 2934-2941Artikkel i tidsskrift (Fagfellevurdert)
  • 24.
    Ryan, Jason D.
    et al.
    Chalmers University of Technology, Sweden.
    Mengistie, Desalegn Alemu
    Chalmers University of Technology, Sweden.
    Gabrielsson, Roger
    Linköping University, Sweden.
    Lund, Anja
    Chalmers University of Technology, Sweden.
    Müller, Christian
    Chalmers University of Technology, Sweden.
    Machine-Washable PEDOT:PSS Dyed Silk Yarns for Electronic Textiles2017Inngår i: ACS Applied Materials and Interfaces, ISSN 1944-8244, E-ISSN 1944-8252, Vol. 9, nr 10, s. 9045-9050Artikkel i tidsskrift (Fagfellevurdert)
  • 25.
    Åkerfeldt, Maria
    et al.
    RISE - Research Institutes of Sweden (2017-2019), Material och produktion, IVF. University of Borås, Sweden.
    Lund, Anja
    University of Borås, Sweden.
    Walkenström, Pernilla
    RISE - Research Institutes of Sweden (2017-2019), Material och produktion, IVF.
    Textile sensing glove with piezoelectric PVDF fibers and printed electrodes of PEDOT:PSS2015Inngår i: Textile research journal, ISSN 0040-5175, E-ISSN 1746-7748, Vol. 85, nr 17, s. 1789-1799Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    The development of an entirely polymer-based motion sensing glove with possible applications, for example, in physical rehabilitation is described. The importance of comfort for the wearer and the possibility to clean the glove in normal laundering processes were important aspects in the development. The glove is all textile and manufactured using materials and methods suitable for standard textile industry processes. For the first time, melt-spun piezoelectric poly(vinylidene fluoride) (PVDF) fibers with conductive cores were machine embroidered onto a textile glove to function as a sensor element. Electrodes and electrical interconnections were constituted by a screen printed conductive poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) formulation. The screen printing of the interconnections was shown to be a reliable method for reproducible material deposition, resulting in an average surface resistivity value of 57 Ω/square. A repeated strain of 10% only influenced the resistance of the interconnections initially and to a very limited extent. The influence of washing on the electrical resistance of the printed interconnections was also studied; after 15 wash cycles the average surface resistivity was still below 500 Ω/square, which was deemed sufficient for the polymeric sensor system to remain functional during long-term use. Sensor data from the glove was also successfully used as input to a microcontroller running a robot gripper, in order to demonstrate its potential applications.

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