@article{2035, abstract = { Microalgae can be used for diverse applications in research and industry. Several microalgae grow adhering to surfaces that are usually two-dimensional. A third dimension could increase the amount of microalgae adhering to a given area and can be offered by textile fabrics. Here we report on the microalgae Chlorella vulgaris and Scenedesmus spec. growing on different knitted fabrics under defined light and under office light conditions. Our results show a significant influence of illumination on both algal species and a smaller impact of the chosen medium, while all knitted fabrics under examination were found well suited as substrates. The numbers of alga cells per petri dish were higher on textile fabrics than in pure water or medium by a factor of ~ 4–20, respectively. }, author = {Tanzli, Ewin and Brockhagen, Bennet and Post, Inken Blanka and Bache, Thorsten and Tuvshinbayar, Khorolsuren and Homburg, Sarah Vanessa and Ehrmann, Andrea}, issn = {2701-939X}, journal = {Communications in Development and Assembling of Textile Products}, keywords = {green microalgae, knitted fabrics, Tencel, cotton, linen, oxygen production, Clark electrode}, number = {1}, pages = {9--16}, publisher = {Sachsische Landesbibliothek, Staats- und Universitatsbibliothek Dresden}, title = {{Microalgae growth and oxygen production on different textile fabrics}}, doi = {10.25367/cdatp.2022.3.p9-16}, volume = {3}, year = {2022}, } @article{688, abstract = {Why is it possible to distinguish between different textile fabrics by just touching them and moving your hand over them and listening to the sound? Particularly for high-quality woven fabrics, e.g. used for tailor-made suits, it is quite common that the dressmaker listens to the sound as their hand rubs the fabric. Can this approach be translated into a technical measurement? What could a sound analysis tell us about the fabric properties? As a first simple approach, we used a record player to rotate different cotton fabrics, and tested fine tips from diverse materials, such as plastic pipettes, pens, glass tips, etc. Our results show clear differences between the textile fabrics, which can be attributed to different yarn, knitted or woven structures. While the rotational mode of investigation impedes fully automated fast Fourier transform (FFT) evaluations, our first results suggest de¬veloping this promising method further.}, author = {Tuvshinbayar, Khorolsuren and Ehrmann, Andrea}, issn = {0351-3386}, journal = {TEKSTILEC}, keywords = {sound analysis, woven fabrics, knitted fabrics, hairiness, surface structure, roughness.}, number = {4}, pages = {287--293}, title = {{Acoustic Investigation of Textile Fabrics}}, doi = {10.14502/tekstilec2020.64.287-293}, volume = {63}, year = {2020}, } @article{677, abstract = {Marine macroalgae are cultivated for diverse applications, from biofuel and biogas to biofiltering, from food to cosmetics or pharmaceuticals. Since macroalgae cultivation does not compete with land-based food crops for the necessary arable land or fresh water, it can increase the possibilities of sustainably harvested biomass. New technologies permit even land-based growing of marine macroalgae, besides the more common coastal or offshore cultivation. All these technologies, however, raise the question of how to provide ideal cultivation conditions, especially for adherent macroalgae, and of how to harvest them economically and sustainably. While some reports about growing marine macroalgae on diverse textile materials, such as polyester ropes or polypropylene nets, can be found in the literature, we report here for the first time on the growth of a marine macroalga on knitted fabrics. In our study, Ectocarpus sp. was cultivated in shallow rectangular cultivation vessels on knitted fabrics of various materials and structures revealing a significant influence of both parameters. Undesired changes of the pH value in the cultivation system as well as foam generation were attributed to textile auxiliaries. Considering all these influences, the best-suited knitted fabrics were identified as open-pore structures from hairy yarns made partly or completely from natural fibres.}, author = {Sebök, Stefan and Brockhagen, Bennet and Storck, Jan Lukas and Post, Inken Blanca and Bache, Thorsten and Korchev, Rumen and Böttjer, Robin and Grothe, Timo and Ehrmann, Andrea}, issn = {0959-3330}, journal = {Environmental Technology}, keywords = {Marine macroalgae, knitted fabrics, Ectocarpus sp, cultivation, harvesting}, pages = {1--12}, title = {{Growth of marine macroalgae Ectocarpus sp. on various textile substrates}}, doi = {10.1080/09593330.2020.1829086}, volume = {online first}, year = {2020}, } @article{690, abstract = {3D printing belongs to the emerging technologies of our time. While it enables producing new structures and makes individualized products affordable, 3D printed objects still suffer from low production speed and often insufficient mechanical properties. Both these problems can be tackled by combining 3D printing with substrates prepared by conventional technologies, e.g. textile fabrics. In this case, the adhesion between both partners is most challenging and defines for which possible applications such composites are suitable. Here, we report on a new approach to increase the adhesion between 3D printed materials and warp knitted fabrics, showing that in some cases a thermal after-treatment, in the simplest case performed by ironing, is able to significantly increase the adhesion between both materials.}, author = {Görmer, Daniel and Störmer, Jannik and Ehrmann, Andrea}, issn = {2701-939X}, journal = {Communications in Development and Assembling of Textile Products}, keywords = {3D printing, warp knitted fabrics, ironing, thermal after-treatment, adhesion, nozzle-textile distance}, number = {2}, pages = {104--110}, title = {{The influence of thermal after-treatment on the adhesion of 3D prints on textile fabrics}}, doi = {10.25367/cdatp.2020.1.p104-110}, volume = {1}, year = {2020}, } @article{594, abstract = {Vertical farming is of major interest in research and development to enable the production of food in the quantity sufficient for the growing world population under the weather conditions, which are increasingly becoming more and more extreme. Especially in cities, vertical farming allows for growing vegetables and other plants locally. Apart from industrial applications of vertical farming, new ideas are being developed to make cities “greener”, often related to the maker culture. In the study, we concentrated on the second approach by investigating the possibilities to grow plants on textile fabrics placed vertically, e.g. along a balcony railing, but also as structural elements in agricultural areas. Our investigations revealed, using the example of cress, that steadily irrigated knitted fabrics enable plant growth on them, indicating no significant differences between differently knitted stitch dimensions and different illumination intensities. Finally, we discuss the possibilities to measure the time-resolved plant growth reliably and suggest additional possibilities to evaluate the growth success.}, author = {Böttjer, Robin and Storck, Jan Lukas and Vahle, Dominik and Brockhagen, Bennet and Grothe, Timo and Herbst, Sabine and Dietz, Karl-Josef and Rattenholl, Anke and Gudermann, Frank and Ehrmann, Andrea}, journal = {Tekstilec}, keywords = {vertical farming, textile fabrics, plant growth, knitted fabrics, hydroponics, measurement technology, cress, illumination, irrigation}, number = {3}, pages = {200--207}, title = {{Influence of Textile and Environmental Parameters on Plant Growth on Vertically Mounted Knitted Fabrics}}, doi = {10.14502/Tekstilec2019.62.200-207}, volume = {62}, year = {2019}, } @article{614, abstract = { Vertical farming is one of the suggested avenues for producing food for the growing world population. Concentrating the cultivation of crops such as herbs in large indoor farms makes food production susceptible to technical, biological or other problems that might destroy large amounts of food at once. Thus, there is a trend towards locally, self-sufficient food production in vertical systems on a small scale. Our study examined whether conventional knitted fabrics, such as patches of worn jackets, can be used for hydroponics instead of the specialized nonwoven materials used in large-scale indoor systems. To this end, seed germination and seedling growth of 14 different crop plant species on knitted fabrics with three different stitch sizes were compared. Our results showed that hydroponic culture on knitted fabrics are indeed possible and allow for growing a broad spectrum of plant species, suggesting recycling of old textile fabrics for this purpose. Among the 14 plant species studied, differences in germination success, average fresh and dry masses, as well as water contents were found, but these parameters were not affected by knitted fabric stitch size. }, author = {Storck, Jan Lukas and Böttjer, Robin and Vahle, Dominik and Brockhagen, Bennet and Grothe, Timo and Dietz, Kar-Josef and Rattenholl, Anke and Gudermann, Frank and Ehrmann, Andrea}, journal = {Horticulturae }, keywords = {vertical farming, plant growth, textile fabrics, knitted fabrics, hydroponics}, number = {4}, publisher = {MDPI}, title = {{ Seed Germination and Seedling Growth on Knitted Fabrics as New Substrates for Hydroponic Systems }}, doi = {10.3390/horticulturae5040073}, volume = {5}, year = {2019}, } @article{577, abstract = {The mycelium of the edible mushroom Pleurotus ostreatus can be used for diverse technical applications, such as packaging materials or wastewater treatment, besides the more obvious use for nutrition. While P. ostreatus usually grows on sawdust, wood or similar materials, a former study investigated mycelium growth on different nanofiber mats. Here, we report on growing P. ostreatus on fabrics knitted from different materials, enabling the use of this mushroom in textile-based vertical farming. Our results underline that P. ostreatus grows similar on natural fibers and on synthetic fibers. The agar medium used to provide nutrients was found to support mycelium growth optimally when applied by dip-coating, suggesting that, in this way, P. ostreatus can also be grown on vertically aligned textile fabrics for vertical farming.}, author = {Helberg, Julia and Klöcker, Michaela and Sabantina, Lilia and Storck, Jan Lukas and Böttjer, Robin and Brockhagen, Bennet and Kinzel, Franziska and Rattenholl, Anke and Ehrmann, Andrea}, journal = {Materials}, keywords = {textile materials, knitted fabrics, agar, Pleurotus ostreatus, vertical farming}, number = {14}, title = {{Growth of Pleurotus ostreatus on different textile materials for vertical farming}}, doi = {10.3390/ma12142270}, volume = {12}, year = {2019}, }