Microalgae in architecture as an energy source

Ilvitskaya, S. V.; Chistyakova, A G

doi:10.1088/1757-899x/944/1/012010

Cited by 6 publications

(2 citation statements)

References 5 publications

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“…One of the successful, well-known cases is BIQ The use of microalgae in architecture brings many benefits. These benefits can be exemplified as energy saving, reducing CO 2 emissions, oxygen generation, biofuel production, and wastewater treatment from the micro-level through building façade implementations to the macro-level through urban scale integrations [120]. There are several conceptual ideas of architectural algae provided by 'ecoLogicStudio', an architecture and design innovation firm specializing in biotechnology for the built environment [121-125].…”

Section: Algaementioning

confidence: 99%

The Potential of Co-Designing with Living Organisms: Towards a New Ecological Paradigm in Architecture

Chayaamor-Heil,

Houette,

Demirci

et al. 2024

Sustainability

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Living organisms have been progressively used by designers to propose alternative design outcomes aiming towards more ecological aspects. The design development and manufacturing of new materials or design components from living organisms are more achievable in textile, fashion, or product design than in architecture and construction due to the scale, multi-layer constraints, and requirements. The aim of this paper is to investigate the interdisciplinary framework, the opportunities, and limitations of introducing living organisms into the design process, including the implementation from the design ideas to prototyping until commercialization. In this paper, we focus on three types of living organisms: algae, bacteria, and fungi. Firstly, we overviewed and studied existing projects and experimentations to understand the design process and fabrication of living organisms in other domains in comparison to architecture. Secondly, we selected three case studies in architecture for each organism to analyze. We collected the data and conducted interviews with multidisciplinary experts involved in each case. Our findings show a better understanding of the potential to integrate living organisms in architectural design, the advantages, and the difficulties towards ecological awareness. The results from the interview and a comparative analysis show the advantages and constraints of each case. The future outlooks towards the use of living organisms as part of design in architecture are also discussed.

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Section: Algaementioning

confidence: 99%

The Potential of Co-Designing with Living Organisms: Towards a New Ecological Paradigm in Architecture

Chayaamor-Heil,

Houette,

Demirci

et al. 2024

Sustainability

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“…Their environmental benefits consist of atmospheric decarbonation through photosynthetic carbon capture, wastewater treatment through taking nutrients and organic wastes from the wastewater, and soil decontamination through biosorption and bioaccumulation of heavy metals. On the other hand, the use of agricultural land with a limited area capacity and a limited capacity of fuel obtained from agricultural products which form the basis of fuel products, makes algae more productive among other types of biomasses [34][35][36].…”

Section: Microalgae and Their Intervening Role In Buildings' Designmentioning

confidence: 99%

Algae-Powered Buildings: A Review of an Innovative, Sustainable Approach in the Built Environment

2023

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Environmental pollution, global warming, energy consumption, and limited natural resources are some key factors from which today’s built environment faces interrelated problems and their management plays a vital role in sustainability. The building sector is involved in 35% of global energy usage and 40% of energy related CO2 emissions. Application of bioactive elements on buildings’ façades is a novel approach for solving the above-mentioned problems. Management of some important factors such as thermal comfort, energy efficiency, wastewater treatment, and CO2 capture is positively affected by bioactive façades because of their environmentally friendly nature. They also have positive effects on global warming, pollution control, social wealth, and sustainable development on a larger scale. The buildings integrated with photobioreactors (PBRs) can meet their thermal needs due to thermal insulation, shading, solar collection, and light-to-biomass conversion. Energy savings up to 30% are estimated to be met by PBR-integrated buildings due to reduced heating, cooling, ventilation, and lighting loads. The above amount of energy saving results in less CO2 emission. Moreover, the algae-integrated buildings can sequester CO2 with an average sequestration rate of 5 g/ft2/day when optimum growing environments and operation modes are implemented. This study is an overview of microalgae intervention and PBR-adapted buildings as an innovative approach for energy efficiency in the built environment with regard to implemented or speculative cases, pros and cons, challenges, and prospects.

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Bioactive Potential of the Sulfated Exopolysaccharides From the Brown Microalga Halamphora sp.: Antioxidant, Antimicrobial, and Antiapoptotic Profiles

Mansour,

Guermazi,

Chamkha

et al. 2024

Analytical Science Advances

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This study aims to investigate the physicochemical characteristics of the exopolysaccharides (EPS) extracted from the microalgae species Halamphora sp., as well as to evaluate their antioxidant, antibacterial, and anti‐apoptotic activities. The crude extracellular polysaccharides from the halophilic diatom Halamphora sp. were found to be extracellular heterosulfated anionic polysaccharides containing carbohydrates (76.33 ± 1.80%), proteins (0.15 ± 0.02%), uronic acids (5.44 ± 0.08%) and sulfate (7.56 ± 0.86%). The lowest protein (0.24%) and lipid (0.15%) contents suggested that EPS was highly pure. Gas chromatography–mass spectrometry analysis revealed that the carbohydrate fraction consisted of xylose, l‐galactose, d‐galactose, glucose, ribitol, mannose, and inositol with corresponding mole percentages of 40.55, 13.25, 13.00, 9.95, 9.82, 2.90, and 2.28, respectively. In vitro, tests showed a high total antioxidant capacity probably related to l‐galactose followed by d‐galactose, uronic acid, and ribitol. In addition, extracellular polysaccharides (EPS) demonstrated effective antimicrobial Gram + properties with inhibition zones ranging from 10 to 12 mm. Molecular docking showed an antiapoptotic effect, as the best docking score was generated due to the interaction of xylose and caspase 3 (−6.9 kcal/mol) and l‐galactose and caspase 3 (−5 kcal/mol). Overall, the findings of this study suggest the possibility of using the EPS extract of Halamphora sp. as an additive for nutraceutical and cosmetic purposes.

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Microalgae in architecture as an energy source

Cited by 6 publications

References 5 publications

The Potential of Co-Designing with Living Organisms: Towards a New Ecological Paradigm in Architecture

The Potential of Co-Designing with Living Organisms: Towards a New Ecological Paradigm in Architecture

Algae-Powered Buildings: A Review of an Innovative, Sustainable Approach in the Built Environment

Bioactive Potential of the Sulfated Exopolysaccharides From the Brown Microalga Halamphora sp.: Antioxidant, Antimicrobial, and Antiapoptotic Profiles

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