Relevant bibliographies by topics / Mycelium bio-composites

Academic literature on the topic 'Mycelium bio-composites'

Author: Grafiati
Published: 10 December 2022
Last updated: 29 January 2023

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Journal articles on the topic "Mycelium bio-composites"

1

Trabelsi, Marah, Al Mamun, Michaela Klöcker, Bennet Brockhagen, Franziska Kinzel, Dato Kapanadze, and Lilia Sabantina. "Polyacrylonitrile (PAN) nanofiber mats for mushroom mycelium growth investigations and formation of mycelium-reinforced nanocomposites." Journal of Engineered Fibers and Fabrics 16 (January 2021): 155892502110379. http://dx.doi.org/10.1177/15589250211037982.

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Mycelium-bound composites are new environmentally friendly, cost-effective and sustainable materials, enable energy-saving bio-composite fabrication, and provide an alternative to synthetic materials. Current research on mycelium-based composites reports on relatively coarse material compositions such as rice husks, cotton residues, sawdust, leaves and bio-waste, etc. According to research, very few publications report on mycelium-reinforced composites with the use of nanomaterials and this topic is under-researched and this study helps to fill this gap. The focus of this study deals with the preparation of mycelium-reinforced nanocomposites including nanofiber mats and the investigation of the different nanofiber mat morphologies on the growth of fungal mycelium. The mycelium macrofibers from Pleurotus ostreatus fungi were grown on polyacrylonitrile (PAN) nanofiber mats. Different morphologies of nanofiber mats such as fibrous and non-fibrous membrane areas or a mixture of both were used for mycelial growth with an additional nutrient. Moreover, mycelium/PAN nanocomposites were oxidative stabilized and carbonized and mycelium retains its morphology. For faster color differentiation between mycelium and nanofibers, PAN nanofiber mats were dyed in a one-step process by adding dye powder to the electrospinning solution as an additional tool. No significant differences in mycelial growth and morphology were observed regarding the different nanofiber mat types and the use of dye. These mycelium-reinforced nanocomposites are promising for many applications such as medicine and biotechnology, air and water purification and filtration, vertical farming, architecture, etc., and enable energy-saving bio-composite fabrication.
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Rossi, A., A. Javadian, I. Acosta, E. Özdemir, N. Nolte, N. Saeidi, A. Dwan, et al. "HOME: Wood-Mycelium Composites for CO2-Neutral, Circular Interior Construction and Fittings." IOP Conference Series: Earth and Environmental Science 1078, no. 1 (September 1, 2022): 012068. http://dx.doi.org/10.1088/1755-1315/1078/1/012068.

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Abstract Office and retail interior fittings have a relatively short service life of 5-7 years. In this context, composite materials are often used, hindering possibilities of reuse or recycling. This research explores novel bio-composite materials and subsequently a construction method for CO2-neutral, circular interior fittings for office spaces. Based on the potential of fungal mycelium as a rapidly renewable, regenerative, affordable, low-carbon building material, bio-composite construction methods are explored in conjunction with timber-based additive manufacturing using continuous fibres. As mycelium has potentially excellent sound-absorbing properties but low load-bearing capacity, composite construction of timber veneer and mycelium allows to increase the structural capabilities of resulting components, while relying entirely on bio-based value chains. We describe the production process as well as the material development, including robotically aided processes for additive manufacturing of veneer reinforcement grids and compatibility studies of different mycelial species and substrates, and their bonding capabilities with veneer. We further present initial results on the mechanical characterization of the composite material, and its comparison to conventional mycelium composites. Minimal structural, acoustic, and functional requirements for different interior fitting elements are studied and compared to the characteristics of the proposed composite, highlighting the range of applications of the presented wood-mycelium composites.
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Angelova, Galena, Mariya Stefanova Brazkova, and Bogdan Goranov. "Effect of the lignocellulose substrate type on mycelium growth and biocomposite formation by Ganoderma lucidum GA3P." Food Science and Applied Biotechnology 5, no. 2 (October 13, 2022): 211. http://dx.doi.org/10.30721/fsab2022.v5.i2.203.

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The lignocellulose agricultural wastes, one of the major environmental pollutants, represent an extremely rich resource with high nutritional value, which can be used in the production of value-added products. In the current study the effect of different lignocellulose substrates on the growth rate of Ganoderma lucidum GA3P and the formation of mycelium-based bio-composites was determined. The macromorphology and specific mycelial growth rate of the colonies on different media containing various lignocellulosic substrate were studied. The obtained composites were characterized regarding their density of the mycelial growth, apparent density and size. G. lucidum GA3P demonstrated high μmax values ranging from 0.267 d-1 to 0.558 d-1 and low K values indicating that all used media were suitable for cultivation, but when wheat bran was used, the formed mycelium-based bio-composites possessed the best characteristics with highest apparent density recorded (0.39 ± 0.005).
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Angelova, Galena, Mariya Brazkova, Petya Stefanova, Denica Blazheva, Veselin Vladev, Nadejda Petkova, Anton Slavov, et al. "Waste Rose Flower and Lavender Straw Biomass—An Innovative Lignocellulose Feedstock for Mycelium Bio-Materials Development Using Newly Isolated Ganoderma resinaceum GA1M." Journal of Fungi 7, no. 10 (October 15, 2021): 866. http://dx.doi.org/10.3390/jof7100866.

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In this study, for the first time, the potential of rose flowers and lavender straw waste biomass was studied as feeding lignocellulose substrates for the cultivation of newly isolated in Bulgaria Ganoderma resinaceum GA1M with the objective of obtaining mycelium-based bio-composites. The chemical characterization and Fourier Transform Infrared (FTIR) spectroscopy established that the proximate composition of steam distilled lavender straw (SDLS) and hexane extracted rose flowers (HERF) was a serious prerequisite supporting the self-growth of mycelium bio-materials with improved antibacterial and aromatic properties. The basic physico-mechanical properties of the developed bio-composites were determined. The apparent density of the mycelium HERF-based bio-composites (462 kg/m3) was higher than that of the SDLS-based bio-composite (347 kg/m3) and both were much denser than expanded polystyren (EPS), lighter than medium-density fiber board (MDF) and oriented strand board (OSB) and similar to hempcrete. The preliminary testing of their compressive behavior revealed that the compressive resistance of SDLS-based bio-composite was 718 kPa, while for HERF-based bio-composite it was 1029 kPa and both values are similar to the compressive strength of hempcrete with similar apparent density. Water absorbance analysis showed, that both mycelium HERF- and SDLS-based bio-composites were hydrophilic and further investigations are needed to limit the hydrophilicity of the lignocellulose fibers, to tune the density and to improve compressive resistance.
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Özdemir, Eda, Nazanin Saeidi, Alireza Javadian, Andrea Rossi, Nadja Nolte, Shibo Ren, Albert Dwan, et al. "Wood-Veneer-Reinforced Mycelium Composites for Sustainable Building Components." Biomimetics 7, no. 2 (March 31, 2022): 39. http://dx.doi.org/10.3390/biomimetics7020039.

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The demand for building materials has been constantly increasing, which leads to excessive energy consumption for their provision. The looming environmental consequences have triggered the search for sustainable alternatives. Mycelium, as a rapidly renewable, low-carbon natural material that can withstand compressive forces and has inherent acoustic and fire-resistance properties, could be a potential solution to this problem. However, due to its low tensile, flexural and shear strength, mycelium is not currently widely used commercially in the construction industry. Therefore, this research focuses on improving the structural performance of mycelium composites for interior use through custom robotic additive manufacturing processes that integrate continuous wood fibers into the mycelial matrix as reinforcement. This creates a novel, 100% bio-based, wood-veneer-reinforced mycelium composite. As base materials, Ganoderma lucidum and hemp hurds for mycelium growth and maple veneer for reinforcement were pre-selected for this study. Compression, pull-out, and three-point bending tests comparing the unreinforced samples to the veneer-reinforced samples were performed, revealing improvements on the bending resistance of the reinforced samples. Additionally, the tensile strength of the reinforcement joints was examined and proved to be stronger than the material itself. The paper presents preliminary experiment results showing the effect of veneer reinforcements on increasing bending resistance, discusses the potential benefits of combining wood veneer and mycelium’s distinct material properties, and highlights methods for the design and production of architectural components.
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Ghazvinian, Ali, and Benay Gursoy. "BASICS OF BUILDING WITH MYCELIUM-BASED BIO-COMPOSITES." Journal of Green Building 17, no. 1 (January 1, 2022): 37–69. http://dx.doi.org/10.3992/1943-4618.17.1.37.

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ABSTRACT Mycelium-based composites (MBC) are biomaterials presenting renewable and bio-degradable alternatives for a wide range of design and manufacturing processes, including the building industry. MBC result from the incomplete growth of mycelium, fibrous root systems of fungi. They can turn urban and agricultural waste into high-end products. Existing research shows that MBC can reduce fossil fuels’ reliance and embodied energy and decrease building waste. Architects recently designed and built a wide range of experimental projects with MBC. In parallel, there is a growing body of work on MBC by scholars from different disciplines, such as mycology, material science, and mechanical engineering, focusing on assessing and enhancing the material properties of MBC for various applications. In this paper, we first provide essential knowledge on the cultivation of MBC for architectural applications. Next, we analyze some of the prominent architectural prototypes with MBC to exemplify the architectural potentials of MBC and uncover the constraints and affordances of this biomaterial when used in an architectural context. Finally, we review and synthesize the existing literature on MBC from different disciplines providing a guide for architects to cultivate and enhance the material properties of MBC for architectural goals.
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Ghazvinian, Ali, and Benay Gursoy. "BASICS OF BUILDING WITH MYCELIUM-BASED BIO-COMPOSITES." Journal of Green Building 17, no. 1 (January 1, 2022): 37–69. http://dx.doi.org/10.3992/jgb.17.1.37.

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ABSTRACT Mycelium-based composites (MBC) are biomaterials presenting renewable and bio-degradable alternatives for a wide range of design and manufacturing processes, including the building industry. MBC result from the incomplete growth of mycelium, fibrous root systems of fungi. They can turn urban and agricultural waste into high-end products. Existing research shows that MBC can reduce fossil fuels’ reliance and embodied energy and decrease building waste. Architects recently designed and built a wide range of experimental projects with MBC. In parallel, there is a growing body of work on MBC by scholars from different disciplines, such as mycology, material science, and mechanical engineering, focusing on assessing and enhancing the material properties of MBC for various applications. In this paper, we first provide essential knowledge on the cultivation of MBC for architectural applications. Next, we analyze some of the prominent architectural prototypes with MBC to exemplify the architectural potentials of MBC and uncover the constraints and affordances of this biomaterial when used in an architectural context. Finally, we review and synthesize the existing literature on MBC from different disciplines providing a guide for architects to cultivate and enhance the material properties of MBC for architectural goals.
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Pittau, F., O. G. Carcassi, M. Servalli, S. Pellegrini, and S. Claude. "Hygrothermal characterization of bio-based thermal insulation made of fibres from invasive alien lake plants bounded with mycelium." IOP Conference Series: Earth and Environmental Science 1078, no. 1 (September 1, 2022): 012069. http://dx.doi.org/10.1088/1755-1315/1078/1/012069.

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Abstract The European program ‘Renovation Wave’ aims to fasten the energy retrofit of the building stock by increasing by a factor 4 the current renovation rate. Mycelium-based materials gained momentum as insulation solutions in recent years due to their 100% biological composition. However, their durability issues, particularly the risk of fast decay due to high moisture content, need to be investigated to promote a safe use in construction. Two bio-composites were set up at a lab scale, a combination of hemp shives and mycelium and a novel mixture based on the combination of mycelium binder and fibres from a lake plant, Lagarosiphon major, an alien invasive species locally available in many EU internal waters. Samples with different dimensions were used to characterize through experimental tests the thermal conductivity, water absorption (capillarity) and vapor permeability. The results show that these mycelium-based composites present both hydric and thermal properties similar to other bio-based material used in construction. The capillarity tests highlighted that hemp composites absorb more water than lake plant ones. The thermal conductivity is similar for both biocomposites, i.e., around 0.05 W/m.K, while the moisture buffer position both analysed biocomposites in “WS 3” according to the German classification DIN 18947 for water regulators.
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Sun, Wenjing, Mehdi Tajvidi, Caitlin Howell, and Christopher G. Hunt. "Insight into mycelium-lignocellulosic bio-composites: Essential factors and properties." Composites Part A: Applied Science and Manufacturing 161 (October 2022): 107125. http://dx.doi.org/10.1016/j.compositesa.2022.107125.

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Modanloo, Behzad, Ali Ghazvinian, Mohammadreza Matini, and Elham Andaroodi. "Tilted Arch; Implementation of Additive Manufacturing and Bio-Welding of Mycelium-Based Composites." Biomimetics 6, no. 4 (November 30, 2021): 68. http://dx.doi.org/10.3390/biomimetics6040068.

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Bio-based materials have found their way to the design and fabrication in the architectural context in recent years. Fungi-based materials, especially mycelium-based composites, are a group of these materials of growing interest among scholars due to their light weight, compostable and regenerative features. However, after about a decade of introducing this material to the architectural community, the proper ways of design and fabrication with this material are still under investigation. In this paper, we tried to integrate the material properties of mycelium-based composites with computational design and digital fabrication methods to offer a promising method of construction. Regarding different characteristics of the material, we found additive manufacturing parallel to bio-welding is an appropriate fabrication method. To show the feasibility of the proposed method, we manufactured a small-scale prototype, a tilted arch, made of extruded biomass bound with bio-welding. The project is described in the paper.
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Conference papers on the topic "Mycelium bio-composites"

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Van Wylick, Aurélie, Elise Elsacker, Li Li Yap, Eveline Peeters, and Lars de Laet. "Mycelium Composites and their Biodegradability: An Exploration on the Disintegration of Mycelium-Based Materials in Soil." In 4th International Conference on Bio-Based Building Materials. Switzerland: Trans Tech Publications Ltd, 2022. http://dx.doi.org/10.4028/www.scientific.net/cta.1.652.

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In the search for environmentally friendly materials, mycelium composites have been labelled as high potential bio-based alternatives to fossil-based and synthetic materials in various fields. Mycelium-based materials are praised for their biodegradability, however no scientific research nor standard protocols exist to substantiate this claim. This research therefore aims to develop an appropriate experimental methodology as well as to deliver a novel proof of concept of the material’s biodegradability. The applied methodology was adapted from a soil burial test under predefined laboratory conditions and hands-on preliminary experiments. The mycelium composite samples were placed in a nylon netting and then buried in potting soil with a grain size of 2 mm for different time-intervals ranging between one and sixteen weeks. Results showed that mycelium, which acted as the binder, had the tendency to decompose first. A weight loss of 43% was witnessed for inert samples made of the fungal strain Ganoderma resinaceum and hemp fibres after sixteen weeks. The disintegration rate in this method however depended on various parameters which were related to the material’s composition, its production method and the degradation process which involved the used equipment, materials and environmental properties.
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Ghazvinian, Ali, Paniz Farrokhsiar, Fabricio Vieira, John Pecchia, and Benay Gursoy. "Mycelium-Based Bio-Composites For Architecture: Assessing the Effects of Cultivation Factors on Compressive Strength." In 37 Education and Research in Computer Aided Architectural Design in Europe and XXIII Iberoamerican Society of Digital Graphics, Joint Conference (N. 1). São Paulo: Editora Blucher, 2019. http://dx.doi.org/10.5151/proceedings-ecaadesigradi2019_465.

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Dahmen, Joseph, and Amber Frid-Jimenez. "They Grow Without Us." In 2017 ACSA Annual Conference. ACSA Press, 2017. http://dx.doi.org/10.35483/acsa.amp.105.22.

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They grow without us is a temporary public furniture installation grown from mushrooms. The project builds upon transdisciplinary research at the intersection of material science, mycology, and sustainable building technology. To fabricate the furniture, damp sawdust was sterilized and inoculated with a blend of Pleurotus ostreatus mushroom spores and nutrients and poured into aerated hexagonal molds. While in the mold, the fungus produces mycelium, a cross-linked matrix of polysaccharides in the pore spaces between sawdust particles. The process produces solid mycelium bio-composites objects that can be removed from the mould as little as five days. The white coating at the exterior is a hydrophobic material called chitin produced naturally by the mushrooms.
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TRAVAGLINI, SONIA, PATRICIA P. PARLEVLIET, and C. K. H. DHARAN. "Bio-Based Mycelium Materials for Aerospace Applications." In American Society for Composites 2019. Lancaster, PA: DEStech Publications, Inc., 2019. http://dx.doi.org/10.12783/asc34/31327.

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Gauvin, Florent, Vesta Tsao, Joost Vette, and Henricus Jozef Hubertus Brouwers. "Physical Properties and Hygrothermal Behavior of Mycelium-Based Composites as Foam-Like Wall Insulation Material." In 4th International Conference on Bio-Based Building Materials. Switzerland: Trans Tech Publications Ltd, 2022. http://dx.doi.org/10.4028/www.scientific.net/cta.1.643.

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This research aims to study mycelium-based composites (MBC) by assessing their performance as foam-like wall insulation material. Various substrates have been selected to get optimized performance of the composite. Results showed that a prolonged growing period arose a denser mycelium outer layer in MBC, which rendered better water resistance due to the hydrophobicity of mycelium. Thermal conductivity and mechanical properties are highly dependent on substrate choices than other parameters of MBC, which coincided with the literature. Additionally, influences of accelerated aging test and moisture buffer capacity of MBC were first studied in this research. The results indicated that MBC not only maintained good functional performance after the accelerated aging test (i.e. drying and wetting cycles) but also constituted good moisture buffer capacity. This means that MBC has key material essences to apply as internal wall insulation material and become one of the layers in vapor-permeable building envelope systems to passively regulate indoor relative humidity and thermal comfort.
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