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  1. Article ; Online: Evaluation of selected tropical marine microalgal cultures for use in biophotovoltaic platforms.

    Tay, Zoe Hui-Yee / Ng, Fong-Lee / Thong, Cheng-Han / Lee, Choon-Weng / Gnana Kumar, G / Al-Sehemi, Abdullah G / Phang, Siew-Moi

    Applied microbiology and biotechnology

    2024  Volume 108, Issue 1, Page(s) 71

    Abstract: In this study, the bioelectrical power generation potential of four tropical marine microalgal strains native to Malaysia was investigated using BPV platforms. Chlorella UMACC 258 produced the highest power density (0.108 mW ... ...

    Abstract In this study, the bioelectrical power generation potential of four tropical marine microalgal strains native to Malaysia was investigated using BPV platforms. Chlorella UMACC 258 produced the highest power density (0.108 mW m
    MeSH term(s) Chlorella ; Aquaculture ; Biofilms ; Carbon ; Cell Cycle ; Microalgae
    Chemical Substances Carbon (7440-44-0)
    Language English
    Publishing date 2024-01-09
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 392453-1
    ISSN 1432-0614 ; 0171-1741 ; 0175-7598
    ISSN (online) 1432-0614
    ISSN 0171-1741 ; 0175-7598
    DOI 10.1007/s00253-023-12951-0
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 2229: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (1.OG)
    ab Jg. 2022: Lesesaal (EG)

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  2. Article ; Online: Sustained power output from an algal biophotovoltaic (BPV) platform using selected marine and freshwater microalgae

    Thong, Cheng-Han / Ng, Fong-Lee / Periasamy, Vengadesh / Basirun, Wan Jeffrey / Kumar, G. Gnana / Phang, Siew Moi

    J Appl Phycol. 2023 Feb., v. 35, no. 1 p.131-143

    2023  

    Abstract: The global community has begun tackling the grave repercussions of excessive use of fossil fuels by strategizing co-usage of renewable and non-renewable energy sources as major energy providers. Recently, biomass feedstocks including microalgae are ... ...

    Abstract The global community has begun tackling the grave repercussions of excessive use of fossil fuels by strategizing co-usage of renewable and non-renewable energy sources as major energy providers. Recently, biomass feedstocks including microalgae are gaining recognition as crucial energy providers to cope with the demands of the fast expanding economic and social sectors. Algae, known as one of the most photosynthetically efficient organisms, are amenable to growth on a variety of substrates, and are tolerant towards extreme conditions. The integration of microalgae into photovoltaic platforms is an innovative energy provisioning technique for low-power appliances and circuits. Our algal biophotovoltaic (BPV) platforms have undergone multiple refinements, advancing from an ITO-based anode with biofilm grown on its surface prototype to the current integrated, multi-functional device that produces bioelectricity, bioremediates wastewater and assimilates carbon dioxide (CO₂). This study explores the ability of our algal BPV platforms in sustaining power output as well as their performance after nutrient replenishment. Our BPV prototype devices generated up to 32.83 μW m⁻² from the freshwater cyanobacterium Synechococcus elongatus UMACC 105 and 0.11 μW m⁻² from the marine alga Chlorella vulgaris UMACC 258. Power output was maintained by both freshwater and marine microalgal strains for 50 days, thus demonstrating their high potential as long-term low power generators throughout an extended duration in a minimal stress environment.
    Keywords Chlorella vulgaris ; Synechococcus elongatus ; anodes ; bioelectricity ; biofilm ; biomass ; carbon dioxide ; energy ; feedstocks ; freshwater ; microalgae ; nonrenewable resources ; photosynthesis ; prototypes ; wastewater
    Language English
    Dates of publication 2023-02
    Size p. 131-143.
    Publishing place Springer Netherlands
    Document type Article ; Online
    ZDB-ID 1002324-0
    ISSN 1573-5176 ; 0921-8971
    ISSN (online) 1573-5176
    ISSN 0921-8971
    DOI 10.1007/s10811-022-02879-9
    Database NAL-Catalogue (AGRICOLA)

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    In stock of ZB MED Bonn / Germany

    Z 89/703: Show issues

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  3. Article: Integration of bioelectricity generation from algal biophotovoltaic (BPV) devices with remediation of palm oil mill effluent (POME) as substrate for algal growth

    Ng, Fong-Lee / Phang, Siew-Moi / Thong, Cheng-Han / Periasamy, Vengadesh / Pindah, Jeccy / Yunus, Kamran / Fisher, Adrian C

    Environmental technology & innovation. 2021 Feb., v. 21

    2021  

    Abstract: The exploitation of renewable energy sources for delivering carbon neutral or carbon negative solutions has to be achieved through strategies involving the removal of CO₂ from the atmosphere. Agro-industries like palm oil processing are important sources ...

    Abstract The exploitation of renewable energy sources for delivering carbon neutral or carbon negative solutions has to be achieved through strategies involving the removal of CO₂ from the atmosphere. Agro-industries like palm oil processing are important sources of energy but are also generators of large volumes of wastewater, causing pollution problems. Bioremediation of these effluents utilizing microalgae has shown promising results. In the present study, we developed an algal-biophotovoltaic device to generate direct bioelectricity from photosynthesis while using palm oil mill effluent (POME) as substrate for microalgal growth. Nine microalgal strains from the University of Malaya Algae Culture Collection (UMACC) were cultured using POME in four different concentrations (50%, 25%, 10%, and 5%) for 12 days. Chlorella vulgaris Beijerinck UMACC 051 showed the highest specific growth rate (1.32 d⁻¹) and Chlorella UMACC 301 showed high photosynthetic performance (Alpha = 0.88) when grown in 5% POME–BBM medium. Three selected microalgal strains were grown in the control medium (Bold’s Basal Medium) and 5% POME–BBM medium in an annular biophotovoltaic device. The maximum power density (0.45 mW m⁻²) obtained from Chlorella UMACC 313 in the POME–BBM medium, was 15% higher than the power density generated when the microalgal cells were grown in the control medium (0.38 mW m⁻²). When Chlorella UMACC 313 was cultured in a 4L round integrated fuel cell-photobioreactor prototype device, the maximum power density obtained was 0.28 mW m⁻². The reductions in NO₃-N, o-PO43−, NH₃-N and COD were 54.92%, 29.41%, 80.75 and 60.09% respectively. A final biomass of 810 mg L⁻¹ was obtained after 12 days’ growth and the CO₂ fixation rate was 76.82 mgCO₂ L⁻¹ d⁻¹. This BPV system represents a multi-functional system that generates low power density while providing wastewater bioremediation and carbon removal. This has potential as a sustainable environment-friendly carbon-neutral or carbon-reducing energy generation system.
    Keywords Chlorella vulgaris ; agricultural industry ; bioelectricity ; biomass ; bioremediation ; carbon ; carbon dioxide ; culture media ; energy ; environmental technology ; microalgae ; oil mill effluents ; palm oils ; photosynthesis ; prototypes ; specific growth rate ; wastewater
    Language English
    Dates of publication 2021-02
    Publishing place Elsevier B.V.
    Document type Article
    Note NAL-AP-2-clean
    ISSN 2352-1864
    DOI 10.1016/j.eti.2020.101280
    Database NAL-Catalogue (AGRICOLA)

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  4. Article ; Online: Optimised spectral effects of programmable LED arrays (PLA)s on bioelectricity generation from algal-biophotovoltaic devices.

    Ng, Fong-Lee / Phang, Siew-Moi / Lan, Boon Leong / Kalavally, Vineetha / Thong, Cheng-Han / Chong, Kian-Ted / Periasamy, Vengadesh / Chandrasekaran, Karthikeyan / Kumar, G Gnana / Yunus, Kamran / Fisher, Adrian C

    Scientific reports

    2020  Volume 10, Issue 1, Page(s) 16105

    Abstract: The biophotovoltaic cell (BPV) is deemed to be a potent green energy device as it demonstrates the generation of renewable energy from microalgae; however, inadequate electron generation from microalgae is a significant impediment for functional ... ...

    Abstract The biophotovoltaic cell (BPV) is deemed to be a potent green energy device as it demonstrates the generation of renewable energy from microalgae; however, inadequate electron generation from microalgae is a significant impediment for functional employment of these cells. The photosynthetic process is not only affected by the temperature, CO
    Language English
    Publishing date 2020-09-30
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2615211-3
    ISSN 2045-2322 ; 2045-2322
    ISSN (online) 2045-2322
    ISSN 2045-2322
    DOI 10.1038/s41598-020-72823-9
    Database MEDical Literature Analysis and Retrieval System OnLINE

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