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Publications (10 of 58) Show all publications
Kahoush, M., Behary, N., Cayla, A. & Nierstrasz, V. (2018). Bio-Fenton and Bio-Electro-Fenton as sustainable methods for degrading organic pollutants in wastewater. Process Biochemistry, 64C, 237-247
Open this publication in new window or tab >>Bio-Fenton and Bio-Electro-Fenton as sustainable methods for degrading organic pollutants in wastewater
2018 (English)In: Process Biochemistry, ISSN 1359-5113, E-ISSN 1873-3298, Vol. 64C, p. 237-247Article in journal (Refereed) Epub ahead of print
Abstract [en]

In this paper, an overview of the bio-Fenton and bio-electro-Fenton processes for sustainable wastewater treatment is provided. These two methods have been used in recent years to treat many kinds of persistent pollutants while maintaining the sustainability in materials and power consumption compared to conventional methods, through efficient eco-designed systems. The different kinds of electrodes used for the bio-electro-Fenton are reviewed, along with the influencing factors affecting the efficiency of these methods, and the different designs used to construct the reactors. Moreover, the various organic pollutants from industrial sources, like effluents from textile and pesticides facilities, treated using these processes are also reported. However, the main challenge facing these technologies is to improve their performance, stability and lifetime to achieve more sustainable and cost-effective wastewater treatment on pilot and large scales. Hence, future perspectives and trends are discussed to overcome the drawbacks of these methods.

Place, publisher, year, edition, pages
Elsevier, 2018
Keywords
Bio-electro-Fenton, Electrodes, Microbial fuel cells, Environmental applications, Wastewater treatment
National Category
Environmental Biotechnology
Research subject
Textiles and Fashion (General)
Identifiers
urn:nbn:se:hb:diva-12896 (URN)10.1016/j.procbio.2017.10.003 (DOI)
Projects
SMDTEX
Available from: 2017-10-23 Created: 2017-10-23 Last updated: 2017-12-19Bibliographically approved
Biswas, T., Yu, J. & Nierstrasz, V. (2018). Functionalization of textiles with enzymes by inkjet printing. In: : . Paper presented at AUTEX 2018, Istanbul, June 20-22, 2018.
Open this publication in new window or tab >>Functionalization of textiles with enzymes by inkjet printing
2018 (English)Conference paper, Poster (with or without abstract) (Refereed)
Abstract [en]

The catalytic activity of the enzymes can be introduced to textile surfaces for bio-sensing applications by immobilizing them through a resource-efficient deposition method such as inkjet printing [1]. Contrary to conventional dispensing methods, drop-on-demand inkjet printing can provide with high precision deposition of these enzymes along with flexibility for small-scale production [2]. To the best of our knowledge, studies on the inkjetting of enzymes are limited and often uses a modified/adapted commercial paper printer for jetting [3]. Additionally, the effect of ink formulation and printing condition variables on the activity of enzyme are not well explored. Many of such variables suggested for jetting of proteins [4] includes e.g. ink rheology, operating temperature, drop size retention, and the shear force acting on the ink. In our research effect of these variables are studied using a digital inkjet printer (Xennia Carnelian) with a Sapphire QS10 piezo-electric print head (Fujifilm Dimatix, USA). Lysozyme is used as a model enzyme for printing due to its well-known structure and catalytic mechanism. Effect of temperature and shear force development within the print head on lysozyme activity is investigated. Additionally, pre-treatment of the fabric to improve ink adhesion through various surface activation processes are studied. Finally, remaining activity of the printed enzymes over washing is evaluated to ensure the fastness property.

Acknowledgment

This research project is funded by University of Borås, Sweden.

References

[1]     Li J, Rossignol F, Macdonald J. Inkjet printing for biosensor fabrication: combining chemistry and technology for advanced manufacturing. Lab on a Chip 2015;15(12):2538-2558.

[2]     Nierstrasz V, Yu J, Seipel S. Towards more flexible, sustainable and energy-efficient textile functionalization processes: Digital inkjet in functional and smart textile production. In: 9th Aachen-Dresden International Textile Conference 2015; 2015.

[3]     Yamazoe H. Fabrication of protein micropatterns using a functional substrate with convertible protein-adsorption surface properties. J Biomed Mater Res A 2012;100(2):362-9.

[4]     Delaney JT, Smith PJ, Schubert US. Inkjet printing of proteins. Soft Matter 2009;5(24):4866-4877.

National Category
Engineering and Technology
Research subject
Textiles and Fashion (General)
Identifiers
urn:nbn:se:hb:diva-14430 (URN)
Conference
AUTEX 2018, Istanbul, June 20-22, 2018
Available from: 2018-07-02 Created: 2018-07-02 Last updated: 2018-07-10Bibliographically approved
Seipel, S., Yu, J., Periyasamy, A., Viková, M., Vik, M. & Nierstrasz, V. (2018). Resource-Efficient Production of a Smart Textile UV Sensor Using Photochromic Dyes: Characterization and Optimization. In: Prof. Dr. Yordan Kyosev, Prof. Dr. Boris Mahltig, Prof. Dr. Anne Schwarz-Pfeiffer (Ed.), Narrow and Smart Textiles: (pp. 251-257). Springer Publishing Company
Open this publication in new window or tab >>Resource-Efficient Production of a Smart Textile UV Sensor Using Photochromic Dyes: Characterization and Optimization
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2018 (English)In: Narrow and Smart Textiles / [ed] Prof. Dr. Yordan Kyosev, Prof. Dr. Boris Mahltig, Prof. Dr. Anne Schwarz-Pfeiffer, Springer Publishing Company, 2018, p. 251-257Chapter in book (Refereed)
Place, publisher, year, edition, pages
Springer Publishing Company, 2018
Keywords
UV curing, digital inkjet printing, smart textile, photochromic
National Category
Materials Engineering
Research subject
Textiles and Fashion (General)
Identifiers
urn:nbn:se:hb:diva-13265 (URN)10.1007/978-3-319-69050-6 (DOI)978-3-319-69049-0 (ISBN)978-3-319-69050-6 (ISBN)
Available from: 2017-12-19 Created: 2017-12-19 Last updated: 2017-12-20Bibliographically approved
Tadesse Abate, M. & Nierstrasz, V. (2018). Supercritical CO2 technology for simultaneous dyeing and antimicrobial functionalization of PET fabrics. In: : . Paper presented at 18th AUTEX World Textile Conference, Istanbul, June 20-22, 2018.
Open this publication in new window or tab >>Supercritical CO2 technology for simultaneous dyeing and antimicrobial functionalization of PET fabrics
2018 (English)Conference paper, Oral presentation only (Other academic)
National Category
Textile, Rubber and Polymeric Materials
Identifiers
urn:nbn:se:hb:diva-14392 (URN)
Conference
18th AUTEX World Textile Conference, Istanbul, June 20-22, 2018
Available from: 2018-06-28 Created: 2018-06-28 Last updated: 2018-07-10Bibliographically approved
Tadesse, M. G., Nierstrasz, V., Dumitrescu, D., Loghin, C., Chen, Y. & Wang, L. (2017). 3D Printing of NinjaFlex Filament onto PEDOT:PSS-CoatedTextile Fabrics for Electroluminescence Applications. Journal of Electronic Materials, 47(3), 2082-2092, Article ID 6015-6.
Open this publication in new window or tab >>3D Printing of NinjaFlex Filament onto PEDOT:PSS-CoatedTextile Fabrics for Electroluminescence Applications
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2017 (English)In: Journal of Electronic Materials, ISSN 0361-5235, E-ISSN 1543-186X, Vol. 47, no 3, p. 2082-2092, article id 6015-6Article in journal (Refereed) Published
Abstract [en]

Electroluminescence (EL) is the property of a semiconductor material pertaining to emitting light in response to an electrical current or a strong electric field. The purpose of this paper is to develop a flexible and lightweight EL device. Thermogravimetric analysis (TGA) measurement was taken to observe the thermal degradation behavior of NinjaFlex. Poly (3, 4-ethylenedioxythiophene): poly (styrene sulfonic acid) (PEDOT:PSS) with ethylene glycol (EG) was coated onto polyester fabric where NinjaFlex was placed onto the coated fabric using three-dimensional (3D) printing and phosphor paste and BendLay filament were coated 3D-printed subsequently. Adhesion strength and flexibility of the 3D-printed NinjaFlex on textile fabrics were investigated. The TGA results of the NinjaFlex depicts that no weight loss was observed up to 150°C. Highly conductive with a surface resistance value of 8.5 ohms/sq., and uniform surface appearance of coated fabric were obtained as measured and observed by using four-probe and scanning electron microscopy (SEM), respectively at 60% PEDOT:PSS. The results of the adhesion test showed that peel strengths of 4160, 3840 N/m were recorded for polyester and cotton specimens, respectively. No weight loss was recorded following three washing cycles of NinjaFlex. The bending lengths were increased by only a factor of 0.082 and 0.577 for polyester and cotton samples at 0.1 mm thickness, respectively; which remains sufficiently flexible to be integrated into textiles. The prototype device emitted light with a 12 V alternating current (AC) power supply. 

Place, publisher, year, edition, pages
Springer, 2017
Keywords
NinjaFlex, adhesion test, 3D printing, electroluminescence, TGA, emitter
National Category
Materials Engineering
Research subject
Textiles and Fashion (General)
Identifiers
urn:nbn:se:hb:diva-13282 (URN)10.1007/s11664-017-6015-6 (DOI)
Projects
Quality inspection and evaluation of functional or smart textile fabric surface by skin contact mechanics.
Available from: 2017-12-26 Created: 2017-12-26 Last updated: 2018-04-30Bibliographically approved
Nierstrasz, V. (2017). Belgium, The Netherlands and Sweden .... well, there must be a difference. In: Materials Science graduate Student Day. Chalmers University of Technology: . Paper presented at Materials Science graduate Student Day. Chalmers University of Technology.
Open this publication in new window or tab >>Belgium, The Netherlands and Sweden .... well, there must be a difference
2017 (English)In: Materials Science graduate Student Day. Chalmers University of Technology, 2017Conference paper, Oral presentation only (Other (popular science, discussion, etc.))
Keywords
academic career, technical studies
National Category
Engineering and Technology
Identifiers
urn:nbn:se:hb:diva-11930 (URN)
Conference
Materials Science graduate Student Day. Chalmers University of Technology
Available from: 2017-02-21 Created: 2017-02-21 Last updated: 2017-05-04Bibliographically approved
Agnhage, T., Nierstrasz, V., Zhou, Y. & Guan, J. (2017). Bioactive and multifunctional textile using plant-based madder dye: Characterization of UV protection ability and antibacterial activity. Fibers And Polymers, 18(11), 2170-2175
Open this publication in new window or tab >>Bioactive and multifunctional textile using plant-based madder dye: Characterization of UV protection ability and antibacterial activity
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2017 (English)In: Fibers And Polymers, ISSN 1229-9197, E-ISSN 1875-0052, ISSN 1229-9197, Vol. 18, no 11, p. 2170-2175Article in journal (Refereed) Published
Place, publisher, year, edition, pages
Springer, 2017
Keywords
Rubia Tinctorum, Anthraquinone, functional dyeing, antibacterial, ultaviolet protection, functional textile
National Category
Engineering and Technology
Research subject
Textiles and Fashion (General)
Identifiers
urn:nbn:se:hb:diva-13031 (URN)10.1007/s12221-017-7115-x (DOI)2-s2.0-850364761072-s2.0-85036476107 (Scopus ID)
Projects
SMDTex
Available from: 2017-11-29 Created: 2017-11-29 Last updated: 2017-12-15Bibliographically approved
Nechyporchuk, O., Yu, J., Nierstrasz, V. & Bordes, R. (2017). Cellulose Nanofibril-Based Coatings of Woven Cotton Fabrics for Improved Inkjet Printing with a Potential in E-Textile Manufacturing. ACS Sustainable Chemistry & Engineering
Open this publication in new window or tab >>Cellulose Nanofibril-Based Coatings of Woven Cotton Fabrics for Improved Inkjet Printing with a Potential in E-Textile Manufacturing
2017 (English)In: ACS Sustainable Chemistry & Engineering, E-ISSN 2168-0485Article in journal (Refereed) Published
Abstract [en]

The inherent flammability of cellulosic fibers limits their use in some advanced applications. This work demonstrates for the first time the production of flame-retardant macroscopic fibers from wood-derived cellulose nanofibrils (CNF) and silica nanoparticles (SNP). The fibers are made by extrusion of aqueous suspensions of anionic CNF into a coagulation bath of cationic SNP at an acidic pH. As a result, the fibers with a CNF core and a SNP thin shell are produced through interfacial complexation. Silica-modified nanocellulose fibers with a diameter of ca. 15 μm, a titer of ca. 3 dtex and a tenacity of ca. 13 cN tex–1 are shown. The flame retardancy of the fibers is demonstrated, which is attributed to the capacity of SNP to promote char forming and heat insulation on the fiber surface.

Keywords
cellulose nanofibrils, flame-retardant fibers, nanocellulose, silica nanoparticles, wet spinning
National Category
Materials Engineering
Identifiers
urn:nbn:se:hb:diva-12974 (URN)10.1021/acssuschemeng.7b00200 (DOI)000402950000036 ()2-s2.0-85020214044 (Scopus ID)
Funder
Knowledge Foundation
Available from: 2017-11-08 Created: 2017-11-08 Last updated: 2018-01-04Bibliographically approved
Seipel, S., Yu, J., Periyasamy, A., Viková, M., Vik, M. & Nierstrasz, V. (2017). Characterization and optimization of an inkjet-printed smart textile UV-sensor cured with UV-LED light. In: IOP Conference Series: Materials Science and Engineering: . Paper presented at AUTEX World Textile Conference, Corfu, May 29-31, 2017. , 254, Article ID 072023.
Open this publication in new window or tab >>Characterization and optimization of an inkjet-printed smart textile UV-sensor cured with UV-LED light
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2017 (English)In: IOP Conference Series: Materials Science and Engineering, 2017, Vol. 254, article id 072023Conference paper, Oral presentation with published abstract (Refereed)
Abstract [en]

For the development of niche products like smart textiles and other functional high-end products, resource-saving production processes are needed. Niche products only require small batches, which makes their production with traditional textile production techniques time-consuming and costly. To achieve a profitable production, as well as to further foster innovation, flexible and integrated production techniques are a requirement. Both digital inkjet printing and UV-light curing contribute to a flexible, resource-efficient, energy-saving and therewith economic production of smart textiles. In this article, a smart textile UV-sensor is printed using a piezoelectric drop-on-demand printhead and cured with a UV-LED lamp. The UVcurable ink system is based on free radical polymerization and the integrated UVsensing material is a photochromic dye, Reversacol Ruby Red. The combination of two photoactive compounds, for which UV-light is both the curer and the activator, challenges two processes: polymer crosslinking of the resin and color performance of the photochromic dye. Differential scanning calorimetry (DSC) is used to characterize the curing efficiency of the prints. Color measurements are made to determine the influence of degree of polymer crosslinking on the developed color intensities, as well as coloration and decoloration rates of the photochromic prints. Optimized functionality of the textile UV-sensor is found using different belt speeds and lamp intensities during the curing process.

Keywords
UV curing, digital inkjet printing, smart textile, photochromic
National Category
Engineering and Technology
Research subject
Textiles and Fashion (General)
Identifiers
urn:nbn:se:hb:diva-12284 (URN)10.1088/1757-899X/254/7/072023 (DOI)
Conference
AUTEX World Textile Conference, Corfu, May 29-31, 2017
Available from: 2017-07-07 Created: 2017-07-07 Last updated: 2017-12-11Bibliographically approved
Tadesse Abate, M. & Nierstrasz, V. (2017). Combined Pre-treatment and Causticization of cotton fabric for improved dye uptake. Advance Research in Textile Engineering, 2(1), Article ID 1016.
Open this publication in new window or tab >>Combined Pre-treatment and Causticization of cotton fabric for improved dye uptake
2017 (English)In: Advance Research in Textile Engineering, ISSN 2572-9373, Vol. 2, no 1, article id 1016Article in journal (Refereed) Published
Abstract [en]

Conventionally, cotton fabric is subjected to a series of separate pretreatment processes such as desizing, scouring, and bleaching to remove natural and added impurities for satisfactory dyeing and finishing. When the sole purpose is to improve the dye uptake, cotton fabric is subjected to yet another separate process called causticization, a treatment of cotton fabric at reduced concentration of caustic soda (110-150 g/L) compared to mercerization. All these processes i.e. desizing, scouring, and bleaching are lengthy and require large amount of water, energy, chemicals, and time which lead to increase in cost and productivity loss.

In this paper, a combined desizing, scouring, bleaching and causticization process with shorter processing time is reported. Single factor randomized experimental design was used for process optimization. Based on experiments, the optimum recipe consisted of padding the gray cotton fabric using a twodip, two-nip technique in a bath containing NaOH 140g/L; Sodium Per Borate (SPB) 40-45g/L; wetting agent 1g/L, batching for 30 min at room temperature and washing the treated fabric with 1g/L emulsifier twice for 15 minutes each at boil with 3% owf SPB added during the second wash, rinsed with hot and cold water and air dried.

The results showed excellent wettability, good degree of whiteness, minimum loss of tensile strength and higher dye uptake compared to uncausticized commercially bleached cotton fabric.

Place, publisher, year, edition, pages
USA: Austin Publishing Group, 2017
Keywords
Causticization, Sodium perborate, Dye uptake, Cold-pad-batch, Whiteness index
National Category
Textile, Rubber and Polymeric Materials
Research subject
Textiles and Fashion (General)
Identifiers
urn:nbn:se:hb:diva-12496 (URN)
Available from: 2017-08-25 Created: 2017-08-25 Last updated: 2017-10-24Bibliographically approved
Organisations
Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0002-4369-9304

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