Cited by 59Algal biology and biofuel productionMicrobial Metabolic Engineering and BioproductionAquatic Ecosystems and Phytoplankton Dynamics

Harnessing Artificial Intelligence to Revolutionize Microalgae Biotechnology: Unlocking Sustainable Solutions for High-Value Compounds and Carbon Neutrality

Open access
Wu, Yijian, Shan, Lei, Zhao, Weixuan, Lu, Xue·2025·Marine Drugs

Abstract

Microalgae offer significant potential in diverse fields, including biofuels, carbon capture, and high-value bioproducts. However, optimizing and scaling microalgae cultivation systems present several challenges due to the dynamic interactions among environmental factors such as light intensity, temperature, pH, nutrient concentration, and CO2 levels, as well as species-specific biological variability. Recent advancements in artificial intelligence (AI), particularly machine learning (ML) and automation, have provided innovative solutions to these challenges. This review explored the role of AI in enhancing microalgae technology, focusing on optimizing cultivation conditions, improving CO2 capture, maximizing biomass production, and automating system processes. Key case studies highlight successful applications of AI in biofuel production, carbon capture projects, and high-value compound manufacturing. Key case studies demonstrate that AI-driven models can increase biomass productivity by up to 15–57%, improve CO2 biofixation efficiency, and enhance lipid and high-value compound yields by more than 20–43% compared to traditional methods. Additionally, we discussed the limitations of current AI models, particularly in data availability and species-specific variability, and suggested future research directions to enhance the integration of AI and microalgae systems. By leveraging AI’s potential, microalgae technologies can become more efficient, scalable, and economically viabl…

AI snapshot

Written from the paper’s full text.

TL;DR

This review argues that AI and machine learning can optimize microalgae cultivation, CO2 capture, biomass production, and high-value compound yields, with reported improvements of up to 15–57% in biomass productivity and over 20–43% in lipid/high-value compound yields. It also highlights persistent barriers in data quality, standardization, and species-specific model generalization.

Key findings

  • AI-driven models can increase biomass productivity by up to 15–57%, improve CO2 biofixation efficiency, and enhance lipid and high-value compound yields by more than 20–43% compared with traditional methods.
  • An ANN-GA-optimized Scenedesmus sp. process achieved a 57% productivity increase, CO2 sequestration of 578.1 ± 23.1 mg L−1 d−1, COD reduction of 95.9 ± 2.4%, and lipid productivity of 106.4 mg L−1 d−1.
  • A DNN for C. vulgaris temperature optimization identified 29.55 °C with 95% prediction accuracy within ±1 °C and a 15% biomass productivity increase over traditional temperature control.
  • ML harvesting models performed well: XGBoost reached R2 = 0.932 for magnetic nanoparticle flocculation, and GA-BPNN reached R2 = 0.923 with MAE = 0.041 for ballasted flotation.

Methods

  • Narrative review of AI/ML applications across microalgae biotechnology, including cultivation optimization, CO2 capture, biomass production, biofuel production, high-value compounds, and automation.
  • Synthesizes cited case studies using methods such as ANN, GA, SVR, LSTM, XGBoost, DNN, RSM, FBA, and metabolic flux analysis.
  • No primary experimental dataset or systematic review protocol is reported; the paper organizes evidence through narrative sections, tables, and figures.

Limitations

  • The paper states that high-quality, standardized datasets are limited; species and environmental variability require adaptable algorithms; data integration and interoperability are hindered by differing methods, formats, and metrics; and models may have limited predictive capability under varied conditions.
  • Evident from the text: as a review, the reported performance figures depend on cited case studies and are not independently validated here, and no systematic search or inclusion criteria are described.

Model-written summary. Check it against the paper before relying on it.

Integrity signals

Registry

Crossref · 10.3390/md23050184

Cites

70 of 70 references verified0 citation errors · 0 not checkable

Statistics

Nothing to recompute.

Claims the paper makes

13 of 82 cited sources checked · 8 supported · 0 flagged · accuracy not yet measured

  • Premisecitation

    Tummawai et al. (2024) found constant 24 h lighting improved biomass productivity by 7.19% compared to a 12 h cycle in a closed tubular photobioreactor.

    “A constant 24 h lighting strategy improved biomass productivity by 7.19% compared to a 12 h cycle, demonstrating the critical role of light optimization in high-efficiency microalgae systems.”
    Quote in the paperNot a substantial claim1 of 1 sources checked
    • cites [29] Tummawai, 2024, Application of artificial intelligence and image processing for the cultivation of Chlorella sp. using tubular photobioreactors, ACS Omega source

      In Results and Discussion, under “Comparison of Light Exposure Durations,” the paper reports greater biomass accumulation under 24 h lighting in a tubular photobioreactor. But 7.19% is the increase within the 24 h condition; the 12 h condition increased by 2.09%. The paper does not report a 7.19% improvement relative to the 12 h cycle. (LLM, conf=0.90)

      Experimental — accuracy not yet measured
  • Premisecitation

    XGBoost model achieved superior accuracy in growth prediction with R2 0.9997, MSE 0.0063, RMSE 0.0792 compared to random forest MSE 0.0604, RMSE 0.2458.

    “The eXtreme Gradient Boosting (XGBoost) model demonstrated superior accuracy in growth prediction, achieving an R2 of 0.9997 and significantly lower error metrics (MSE: 0.0063, RMSE: 0.0792) compared to the random forest model (MSE: 0.0604, RMSE: 0.2458), indicating a more precise fit to the training data.”
    Quote in the paperNot a substantial claim1 of 1 sources checked
    • cites [29] Tummawai, 2024, Application of artificial intelligence and image processing for the cultivation of Chlorella sp. using tubular photobioreactors, ACS Omega source
  • Premisecitation

    An integrated AI-driven cultivation framework offers potential to improve biomass yield by 30-50% for large-scale production.

    “An integrated, AI-driven cultivation framework offers the potential to improve biomass yield by 30–50%, reduce nutrient and energy consumption, and enhance process control accuracy for large-scale production [15,16,17].”
    Quote in the paperSubstantial claim1 of 3 sources checked
    • cites [15] Oruganti, 2023, Artificial intelligence and machine learning tools for high-performance microalgal wastewater treatment and algal biorefinery: A critical review, Sci. Total Environ. source
    • cites [16] Lim, H.R., Khoo, K.S., Chia, W.Y., Chew, K.W., Ho, S.-H., and Show, P.L. (2022). Smart microalgae farming with internet-of-things for sustainable agriculture. Biotechnol. Adv., 57. source
    • cites [17] Imamoglu, E. (2024). Artificial intelligence and/or machine learning algorithms in microalgae bioprocesses. Bioengineering, 11. source

      The Introduction and Section 5.2 say AI/ML can optimize microalgae cultivation and improve biomass production. They do not support the claimed 30–50% yield increase for large-scale production: Section 4 reports a 20% output increase with IoT integration, while Section 5.2 reports a 90% biomass-yield increase in a specific optimization study. No page numbers are available in our copy. (LLM, conf=0.86)

      Experimental — accuracy not yet measured
  • Premisecitation

    An integrated AI-driven cultivation framework offers potential to enhance process control accuracy for large-scale production.

    “An integrated, AI-driven cultivation framework offers the potential to improve biomass yield by 30–50%, reduce nutrient and energy consumption, and enhance process control accuracy for large-scale production [15,16,17].”
    Quote in the paperSubstantial claim1 of 3 sources checked
    • cites [15] Oruganti, 2023, Artificial intelligence and machine learning tools for high-performance microalgal wastewater treatment and algal biorefinery: A critical review, Sci. Total Environ. source
    • cites [16] Lim, H.R., Khoo, K.S., Chia, W.Y., Chew, K.W., Ho, S.-H., and Show, P.L. (2022). Smart microalgae farming with internet-of-things for sustainable agriculture. Biotechnol. Adv., 57. source
    • cites [17] Imamoglu, E. (2024). Artificial intelligence and/or machine learning algorithms in microalgae bioprocesses. Bioengineering, 11. source
  • Premisecitation

    An integrated AI-driven cultivation framework offers potential to reduce nutrient and energy consumption.

    “An integrated, AI-driven cultivation framework offers the potential to improve biomass yield by 30–50%, reduce nutrient and energy consumption, and enhance process control accuracy for large-scale production [15,16,17].”
    Quote in the paperSubstantial claim1 of 3 sources checked
    • cites [15] Oruganti, 2023, Artificial intelligence and machine learning tools for high-performance microalgal wastewater treatment and algal biorefinery: A critical review, Sci. Total Environ. source
    • cites [16] Lim, H.R., Khoo, K.S., Chia, W.Y., Chew, K.W., Ho, S.-H., and Show, P.L. (2022). Smart microalgae farming with internet-of-things for sustainable agriculture. Biotechnol. Adv., 57. source
    • cites [17] Imamoglu, E. (2024). Artificial intelligence and/or machine learning algorithms in microalgae bioprocesses. Bioengineering, 11. source

      Section 4 (page not provided) reports that AI-based monitoring of cultivation conditions, including nutrient concentrations, enhanced energy efficiency. It does not say that nutrient consumption was reduced; monitoring nutrient levels is not evidence of reduced use. (LLM, conf=0.84)

      Experimental — accuracy not yet measured
  • May combine two claims. 40
  • Classified as probably not a substantial claim. 5
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    Premisecitation

    Pyruvate cultures of C. tepidum exhibited higher CO2 fixation flux and biomass yield (YX/S = 9.2) compared to acetate cultures (YX/S = 6.4), albeit with slower growth rates.

    “Pyruvate cultures exhibited higher CO2 fixation flux and biomass yield (YX/S = 9.2) compared to acetate cultures (YX/S = 6.4), albeit with slower growth rates.”
    Quote in the paperNot a substantial claim1 of 1 sources checked
    • cites [62] Feng, 2010, Metabolic flux analysis of the mixotrophic metabolisms in the green sulfur bacterium Chlorobaculum tepidum, J. Biol. Chem. source
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    Premisecitation

    Feng et al. (2010) metabolic flux analysis of Chlorobaculum tepidum under mixotrophic conditions uncovered an alternative isoleucine synthesis pathway via citramalate synthase and key CO2 fixation routes such as the TCA cycle and pyruvate synthesis pathway.

    “Feng et al. (2010) [62] investigated carbon metabolism in Chlorobaculum tepidum under mixotrophic conditions using metabolic flux analysis (MFA), uncovering an alternative isoleucine synthesis pathway via citramalate synthase and key CO2 fixation routes such as the TCA cycle and the pyruvate synthesis pathway.”
    Quote in the paperNot a substantial claim1 of 1 sources checked
    • cites [62] Feng, 2010, Metabolic flux analysis of the mixotrophic metabolisms in the green sulfur bacterium Chlorobaculum tepidum, J. Biol. Chem. source
  • May combine two claims.

    Premisecitation

    Microalgae can simultaneously yield lipids, proteins, pigments, and bioactive compounds, enhancing economic feasibility.

    “Unlike soybeans, microalgae can simultaneously yield lipids, proteins, pigments, and bioactive compounds, significantly enhancing economic feasibility [1,13,14].”
    Quote in the paperNot a substantial claim2 of 3 sources checked
    • cites [1] Yang, 2024, Microalgal protein for sustainable and nutritious foods: A joint analysis of environmental impacts, health benefits and consumer’s acceptance, Trends Food Sci. Technol. source
    • cites [13] Oostlander, 2020, Microalgae production cost in aquaculture hatcheries, Aquaculture source

      The Conclusion (section 4; page unavailable) discusses reducing microalgae biomass production costs through lighting, improved yield and lower labour requirements. Our copy does not address simultaneous production of lipids, proteins, pigments and bioactive compounds, compare microalgae with soybeans, or link those products to economic feasibility. Searches for those products, co-production and soybeans found no supporting passage. (LLM, conf=0.76)

      Experimental — accuracy not yet measured
    • cites [14] Blaustein-Rejto, D., Merener, N., and Smith, A. (2024). The potential footprint of alternative meat adoption on corn and soybean producers. Front. Sustain. Food Syst., 8. source

      The Introduction and Materials and methods (§2.1–2.2; pages unavailable) discuss soybean use in animal feed and plant-based meat, including soybean meal, oil, and protein. Searches for microalgae, pigments, bioactive compounds, and coproducts found no passage addressing whether microalgae yields the listed products or whether doing so improves economic feasibility. (LLM, conf=0.76)

      Experimental — accuracy not yet measured
  • May combine two claims.

    Premisecitation

    A case study on C. vulgaris under varying N:P molar ratios (2-67) demonstrated that nitrogen or phosphorus limitation significantly affected nutrient uptake efficiency, although biomass productivity remained relatively stable.

    “Additionally, a case study on C. vulgaris cultivation under varying N:P molar ratios (2–67) demonstrated that nitrogen or phosphorus limitation significantly affected nutrient uptake efficiency, although biomass productivity remained relatively stable.”
    Quote in the paperNot a substantial claim1 of 1 sources checked
    • cites [33] Salgado, 2023, Microalgal cultures for the remediation of wastewaters with different nitrogen to phosphorus ratios: Process modelling using artificial neural networks, Environ. Res. source
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    Premisecitation

    Nonstationary 13C flux analysis revealed low photorespiration in phototrophic cells and high TCA cycle activity in heterotrophic cells.

    “Nonstationary 13C flux analysis revealed low photorespiration in phototrophic cells and high TCA cycle activity in heterotrophic cells.”
    Quote in the paperNot a substantial claim1 of 1 sources checked
    • cites [51] Wu, 2014, Genome-based metabolic mapping and 13C flux analysis reveal systematic properties of an oleaginous microalga Chlorella protothecoides, Plant Physiol. source
  • May combine two claims.

    Findingreasoning

    This review summarized case studies demonstrating up to 57% improvement in biomass productivity and over 43% enhancement in lipid and high-value compound yields.

    “This review highlighted the transformative role of AI in microalgae biotechnology, summarizing case studies that demonstrated up to 57% improvement in biomass productivity and over 43% enhancement in lipid and high-value compound yields.”
    Quote in the paperNot a substantial claim
  • May combine two claims.

    Premisecitation

    Makaranga et al. (2023) co-culturing Chlorella saccharophila UTEX247 with Exiguobacterium sp. achieved lutein productivity of 298.97 μg L−1 d−1, 1.45 times higher than monocultures.

    “Makaranga et al. (2023) [59] optimized lutein production in Chlorella saccharophila UTEX247 through co-culturing with Exiguobacterium sp., thereby achieving a lutein productivity of 298.97 µg L−1 d−1—1.45 times higher than monocultures.”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [59] Makaranga, 2023, Dynamic metabolomic crosstalk between Chlorella saccharophila and its new symbiotic bacteria enhances lutein production in microalga without compromising its biomass, Enzym. Microb. Technol. source
  • May combine two claims.

    Premisecitation

    Nannochloropsis species can achieve annual biomass production of approximately 127.8 metric ton/acre/year, outpacing traditional oilseed crops.

    “Research demonstrated that Nannochloropsis species could achieve an annual biomass production of approximately 127.8 metric ton/acre/year, outpacing traditional oilseed crops [6].”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [6] Mohammady, 2022, Preliminary study on the economic assessment of culturing Nannochloropsis sp. in Egypt for the production of biodiesel and high-value biochemicals, Biomass Convers. Biorefin. source
  • May combine two claims.

    Interpretationreasoning

    Current AI models have limitations in data availability and species-specific variability.

    “Additionally, we discussed the limitations of current AI models, particularly in data availability and species-specific variability, and suggested future research directions to enhance the integration of AI and microalgae systems.”
    Quote in the paperSubstantial claim
  • May combine two claims.

    Premisecitation

    Muthuraj et al. (2013) performed flux balance analysis and dynamic FBA on Chlorella sp. FC2 IITG, revealing metabolic shifts including inactivity of pentose phosphate pathway under photoautotrophic growth and elevated glycolytic flux coupled with lipid induction during light phase.

    “In addition, Muthuraj et al. (2013) [50] performed flux balance analysis (FBA) and dynamic FBA (dFBA) on Chlorella sp. FC2 IITG to study carbon flux distribution under light–dark cycles under photoautotrophic and heterotrophic conditions. The study revealed metabolic shifts, including the inactivity of the pentose phosphate pathway under photoautotrophic growth and elevated glycolytic flux coupled”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [50] Muthuraj, 2013, Flux balance analysis of Chlorella sp. FC2 IITG under photoautotrophic and heterotrophic growth conditions, Photosynth. Res. source
  • May combine two claims.

    Premisecitation

    Zhao et al. (2021) melatonin treatment enhanced coproduction of astaxanthin and lipids in H. pluvialis, increasing yields 1.78- and 1.3-fold, respectively.

    “Zhao et al. (2021) [60] demonstrated that melatonin (MT) treatment enhanced the coproduction of astaxanthin and lipids in H. pluvialis, increasing yields 1.78- and 1.3-fold, respectively.”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [60] Zhao, Y., Wang, H.-P., Yu, C., Ding, W., Han, B., Geng, S., Ning, D., Ma, T., and Yu, X. (2021). Integration of physiological and metabolomic profiles to elucidate the regulatory mechanisms underlying the stimulatory effect of melatonin on astaxanthin and lipids coproduction in Haematococcus pluvialis under inductive stress conditions. Bioresour. Technol., 319. source
  • May combine two claims.

    Premisecitation

    Panahi et al. (2019) combined RNA-seq meta-analysis with supervised ML to explore salt stress responses of Dunaliella salina and D. tertiolecta, identifying core meta-genes linked to lipid and nitrogen metabolism, photosynthetic apparatus proteins, autophagy, and ROS-related pathways.

    “Panahi et al. (2019) [41] combined RNA-seq meta-analysis with supervised ML to explore the salt stress responses of Dunaliella salina and Dunaliella tertiolecta. Using Fisher’s p-value combination for cross-species analysis, the study identified core meta-genes linked to lipid and nitrogen metabolism, photosynthetic apparatus proteins, autophagy, and ROS-related pathways.”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [41] Panahi, B., Frahadian, M., Dums, J.T., and Hejazi, M.A. (2019). Integration of cross species RNA-Seq meta-analysis and machine-learning models identifies the most important salt stress–responsive pathways in microalga Dunaliella. Front. Genet., 10. source

      Checked before — its earlier verdict is held back until a new check runs.

  • May combine two claims.

    Premisecitation

    The system was validated using a separate dataset, demonstrating prediction accuracy of 92%.

    “The system was validated using a separate dataset, demonstrating a prediction accuracy of 92%, thus showcasing its effectiveness in optimizing environmental parameters for enhanced microalgae growth.”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [36] Kim, 2016, Developing an algae culturing system using a microcontroller platform, Int. J. Biotechnol. Food Sci.
  • May combine two claims.

    Premisecitation

    Microalgal cultivation in an outdoor photobioreactor removed 9-17% of industrial CO2 from cement flue gas, with efficiencies reaching 20-60% under optimal conditions and carbon recovery up to 10 g m2 d−1.

    “Previous study demonstrated that microalgal cultivation in an outdoor photobioreactor removed 9–17% of industrial CO2 from cement flue gas, with efficiencies reaching 20–60% under optimal conditions and carbon recovery up to 10 g m2 d−1 [7].”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [7] Lindehoff, E., Mattsson, L., Olofsson, M., Svensson, F., Farnelid, H., and Legrand, C. (2024). Biomass performance and stability of 5-year outdoor microalgal cultivation for CO2 removal from cement flue gas. Bioresour. Technol. Rep., 25. source
  • May combine two claims.

    Premisecitation

    Wang et al. (2012) label-free proteomics identified 896 proteins and quantified 329, while iTRAQ identified 639 proteins and quantified 124 in two C. reinhardtii strains.

    “The label-free method identified 896 proteins and quantified 329, while iTRAQ identified 639 proteins and quantified 124, highlighting mechanisms driving lipid production in sta6.”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [56] Wang, 2012, Comprehensive Comparison of iTRAQ and label-free LC-based quantitative proteomics approaches using two Chlamydomonas reinhardtii strains of interest for biofuels engineering, J. Proteome Res. source
  • Probably not a substantial claim: may not pass S2 (checkable), S3 (load-bearing), S4 (based).

    Interpretationnone given

    Variability among microalgae species and environmental conditions requires development of adaptable AI algorithms capable of generalizing across diverse systems.

    “Additionally, the variability among microalgae species and environmental conditions requires the development of adaptable AI algorithms capable of generalizing across diverse systems.”
    Quote in the paperNot a substantial claim
  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Premisecitation

    Haematococcus pluvialis produces astaxanthin up to 50 mg g−1 dry biomass under stress conditions.

    “For instance, Haematococcus pluvialis, known for its high astaxanthin content, has demonstrated production levels of up to 50 mg g−1 of dry biomass under stress conditions [11].”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [11] Sun, 2015, Enhancement of cell biomass and cell activity of astaxanthin-rich Haematococcus pluvialis, Bioresour. Technol. source
  • May combine two claims.

    Premisecitation

    A BPNN optimized with GA and PSO predicted harvesting efficiency in ballasted flotation, with GA-BPNN showing best performance (R2 = 0.923, MAE = 0.041).

    “A backpropagation neural network (BPNN) was applied to predict harvesting efficiency in a ballasted flotation based on diverse input features, including microalgal and LDM properties. To improve predictive accuracy, the BPNN model was optimized using GA and particle swarm optimization (PSO), with GA-BPNN showing the best performance (R2 = 0.923, MAE = 0.041).”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [47] Xu, K., Zhu, Z., Yu, H., and Zou, X. (2025). Prediction of microalgae harvesting efficiency and identification of important parameters for ballasted flotation using an optimized machine learning model. Algal Res.-Biomass Biofuels Bioprod., 87. source
  • Probably not a substantial claim: may not pass S3 (load-bearing), S4 (based).

    Interpretationnone given

    Availability of high-quality, standardized datasets is a major hurdle for training AI models in microalgae technology.

    “A major hurdle is the availability of high-quality, standardized datasets for training AI models.”
    Quote in the paperNot a substantial claim
  • May combine two claims.

    Premisecitation

    In the Chlorella saccharophila UTEX247 co-culture, biomass increased 0.84-fold under optimal conditions, and metabolomics identified 75 metabolites, 46 of which were unique.

    “Biomass increased 0.84-fold under optimal conditions, with metabolomics identifying 75 metabolites in the co-culture, 46 of which were unique.”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [59] Makaranga, 2023, Dynamic metabolomic crosstalk between Chlorella saccharophila and its new symbiotic bacteria enhances lutein production in microalga without compromising its biomass, Enzym. Microb. Technol. source
  • May combine two claims.

    Premisecitation

    Hossain et al. (2022a) applied SVR with GA to optimize N:P ratio for Chlorella kessleri in municipal wastewater, identifying optimal N:P 6:1 and achieving nutrient removal efficiencies over 93% at 29.3 °C and continuous light.

    “For instance, Hossain et al. (2022a) [32] applied SVR combined with a GA to optimize the nitrogen–phosphorus (N:P) ratio for Chlorella kessleri in municipal wastewater treatment. Their model identified an optimal N:P ratio of 6:1, achieving nutrient removal efficiencies of over 93% under conditions of 29.3 °C and continuous light (24/0 h/h).”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [32] Hossain, 2022, Soft-computing modeling and multiresponse optimization for nutrient removal process from municipal wastewater using microalgae, J. Water Process Eng. source
  • May combine two claims.

    Premisecitation

    The process resulted in a CO2 sequestration rate of 578.1 ± 23.1 mg L−1 d−1, COD reduction of 95.9 ± 2.4%, and lipid productivity of 106.4 mg L−1 d−1, with biodiesel quality meeting international standards.

    “The process resulted in a CO2 sequestration rate of 578.1 ± 23.1 mg L−1 d−1, COD reduction of 95.9 ± 2.4%, and lipid productivity of 106.4 mg L−1 d−1, with biodiesel quality meeting international standards [42].”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [42] Nayak, 2018, Artificial intelligence driven process optimization for cleaner production of biomass with co-valorization of wastewater and flue gas in an algal biorefinery, J. Clean. Prod. source
  • May combine two claims.

    Premisecitation

    Xu et al. (2020) developed THMI combined with ML, achieving spatial and spectral resolutions of 4 μm and 3 nm, and classifying microalgae species with 94.4% accuracy using PCA and SVM.

    “Xu et al. (2020) [37] developed a transmission hyperspectral microscopic imager (THMI) combined with ML for microalgae cultivation optimization. The system achieved high spatial and spectral resolutions (4 µm and 3 nm), using principal component analysis (PCA) and support vector machine (SVM) to classify microalgae species with 94.4% accuracy.”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [37] Xu, 2020, Classification, identification, and growth stage estimation of microalgae based on transmission hyperspectral microscopic imaging and machine learning, Opt. Express source
  • May combine two claims.

    Premisecitation

    Christian Barbosa et al. (2020) developed a cost-effective sensor for real-time monitoring of microalgae biomass concentration, showing strong linearity with dry weight in the range 40-800 mg L−1.

    “Christian Barbosa et al. (2020) [43] developed a cost-effective sensor for real-time monitoring of microalgae biomass concentration, addressing challenges in optimizing growth conditions. The sensor, utilizing ultraviolet and near-infrared wavelengths, showed strong linearity with dry weight (DW) measurements in the range of 40–800 mg L−1, closely matching spectrophotometer readings.”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [43] Soares, 2020, Low-cost and versatile sensor based on multi-wavelengths for real-time estimation of microalgal biomass concentration in open and closed cultivation systems, Comput. Electron. Agric. source
  • May combine two claims.

    Premisecitation

    The DNN model achieved prediction accuracy of 95% with error within ±1 °C.

    “The DNN model achieved a prediction accuracy of 95% with a prediction error within ±1 °C, demonstrating its precision in temperature optimization, leading to enhanced CO2 capture efficiency and biomass productivity, in turn emphasizing the critical role of precise temperature control in microalgae cultivation systems.”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites [30] Janjua, M.Y., Azfar, A., Asghar, Z., and Shehzad Quraishi, K. (2024). Modeling and optimization of biomass productivity of Chlorella vulgaris using response surface methodology, analysis of variance and machine learning for carbon dioxide capture. Bioresour. Technol., 400. source
  • May combine two claims.

    Premisecitation

    Janjua et al. (2024) identified optimal temperature of 29.55 °C for C. vulgaris CO2 capture using DNN, outperforming RSM prediction of 28.74 °C.

    “Their study identified an optimal temperature of 29.55 °C with DNN, outperforming RSM’s prediction of 28.74 °C.”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites [30] Janjua, M.Y., Azfar, A., Asghar, Z., and Shehzad Quraishi, K. (2024). Modeling and optimization of biomass productivity of Chlorella vulgaris using response surface methodology, analysis of variance and machine learning for carbon dioxide capture. Bioresour. Technol., 400. source
  • May combine two claims.

    Premisecitation

    The ANN model by Yu et al. was validated using a separate dataset, demonstrating prediction error less than 5%.

    “The model was validated using a separate dataset, demonstrating a prediction error of less than 5%, which highlights its robustness and reliability in optimizing microalgae growth, thereby demonstrating its effectiveness in optimizing microalgae growth.”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [21] Yu, T., Fan, F., Huang, L., Wang, W., Wan, M., and Li, Y. (2024). Artificial neural networks prediction and optimization based on four light regions for light utilization from Synechocystis sp. PCC 6803. Bioresour. Technol., 394. source
  • May combine two claims.

    Premisecitation

    Yu et al. (2024) developed an ANN growth model for Synechocystis sp. PCC 6803 based on four light regions, achieving validation R2 of 0.97, 76.36% more accurate than traditional light-dark models.

    “For example, Yu et al. (2024) [21] developed an artificial neural network (ANN) growth model for Synechocystis sp. PCC 6803 based on four light regions (FLRs), achieving a validation R2 value of 0.97, 76.36% more accurate than traditional light–dark models.”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [21] Yu, T., Fan, F., Huang, L., Wang, W., Wan, M., and Li, Y. (2024). Artificial neural networks prediction and optimization based on four light regions for light utilization from Synechocystis sp. PCC 6803. Bioresour. Technol., 394. source
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    Premisecitation

    Fernández Izquierdo et al. (2024) used ANN-GA to optimize light conditions for polyphenol production in Parachlorella kessleri, identifying white light at 1000 lx and 12:12 light-dark cycle as optimal, yielding 28 mg GAE/g DW.

    “For instance, Fernández Izquierdo et al. (2024) [28] employed an ANN coupled with a genetic algorithm (ANN-GA) to optimize light conditions for polyphenol production in Parachlorella kessleri. The model identified white light at an intensity of 1000 lx and a 12:12 light–dark cycle as optimal, contributing to a polyphenol yield of 28 mg gallic acid equivalents per gram dry weight (GAE/g DW),”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [28] 2024, Application of an artificial neural network coupled to a genetic algorithm for the production of polyphenols in Parachlorella kessleri grown under mixotrophic conditions, Algal Res. source
  • May combine two claims. The quote only partly states this claim.

    Premisecitation

    The ANN model demonstrated superior computational efficiency and better generalization across light intensities and photoperiods than mechanistic and hybrid models.

    “Furthermore, the ANN model demonstrated superior computational efficiency, requiring significantly less time for training and prediction compared to the mechanistic and hybrid models.”
    • Also stated in: § 2.1. Optimizing Cultivation Conditions · plain
      “Furthermore, the ANN model showed better generalization capabilities, performing well across a range of light intensities and photoperiods.”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [28] 2024, Application of an artificial neural network coupled to a genetic algorithm for the production of polyphenols in Parachlorella kessleri grown under mixotrophic conditions, Algal Res. source
  • May combine two claims.

    Premisecitation

    Hossain et al. (2022b) used SVR with Bayesian optimization to enhance C. vulgaris biomass productivity and CO2 biofixation, achieving R2 of 0.911 and optimal conditions of 40 °C, N:P 1:1, 12/12 light-dark, yielding 0.0979 g L−1 d−1 BP and 0.1408 g L−1 d−1 RCO2.

    “For instance, Hossain et al. (2022b) [25] used SVR with Bayesian optimization to enhance C. vulgaris biomass productivity (BP) and CO2 biofixation (RCO2), achieving a high R2 of 0.911 and optimizing conditions to 40 °C, an N:P ratio of 1:1, and a 12/12 light–dark cycle, yielding 0.0979 g L−1 d−1 BP and 0.1408 g L−1 d−1 RCO2.”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [25] Hossain, 2022, Modeling and multi-objective optimization of microalgae biomass production and CO2 biofixation using hybrid intelligence approaches, Renew. Sustain. Energy Rev. source
  • May combine two claims.

    Premisecitation

    In the mixed culture, H. pluvialis benefited from pyruvate and CO2 excreted by P. rhodozyma, reducing carbon flux from the Calvin cycle to catabolic pathways by 33% while increasing flux to glyceraldehyde-3-phosphate by 25%.

    “Conversely, H. pluvialis benefited from pyruvate and CO2 excreted by P. rhodozyma, reducing carbon flux from the Calvin cycle to catabolic pathways by 33% while increasing flux to glyceraldehyde-3-phosphate by 25%.”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [63] Dong, 2006, Metabolic flux analysis of the two astaxanthin-producing microorganisms Haematococcus pluvialis and Phaffia rhodozyma in the pure and mixed cultures, Biotechnol. J. source
  • May combine two claims.

    Premisecitation

    Heidari Baladehi et al. (2021) established a reference ramanome database from over 9000 cells of 27 microalgal species and classified species and growth states with 97% accuracy using ensemble ML.

    “Heidari Baladehi et al. (2021) [39] established a reference ramanome database comprising single-cell Raman spectra (SCRS) from over 9000 cells of 27 diverse microalgal species in stationary and exponential phases. By combining pre-quenching “pigment spectrum” (PS) and post-quenching “whole spectrum” (WS) signals, species and growth states were classified with 97% accuracy using ensemble ML,”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [39] Hekmatara, 2021, Culture-free identification and metabolic profiling of microalgal single cells via ensemble learning of Ramanomes, Anal. Chem. source
  • May combine two claims.

    Premisecitation

    Coşgun et al. (2021) analyzed a dataset of 4670 instances from 102 published studies using ML and identified 11 combinations linked to high biomass productivity and 13 for high lipid content.

    “Coşgun et al. (2021) [49] analyzed a dataset of 4670 instances from 102 published studies, using ML to evaluate the impact of cultivation and processing parameters on microalgal biomass and lipid production. By applying decision trees and association rule mining, they identified 11 combinations linked to high biomass productivity and 13 for high lipid content, demonstrating that ML can effectively”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites [49] Cosgun, 2021, Exploring the critical factors of algal biomass and lipid production for renewable fuel production by machine learning, Renew. Energy source
  • May combine two claims.

    Premisecitation

    Kim et al. (2016) developed a microcontroller-based system with MG-811 CO2 sensor that maintained CO2 concentrations above 350 ppm, triggering at 2.75 V.

    “Kim et al. (2016) [36] developed a microcontroller-based system incorporating an MG-811 CO2 sensor to manage CO2 levels in microalgae cultivation. The sensor, highly sensitive to CO2 and equipped with a heating circuit, maintained concentrations above 350 ppm, thereby triggering responses at a voltage of 2.75 V.”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [36] Kim, 2016, Developing an algae culturing system using a microcontroller platform, Int. J. Biotechnol. Food Sci.
  • May combine two claims.

    Interpretationreasoning

    The incorporation of AI in the production process enhances the economic viability of high-value microalgae products by improving yields, reducing production costs, and accelerating time-to-market.

    “The incorporation of AI in the production process enhances the economic viability of these products by improving yields, reducing production costs, and accelerating time-to-market.”
    Quote in the paperNot a substantial claim
    • Rests on an assumption: The global market for high-value products derived from microalgae is rapidly expanding, driven by increasing consumer demand for natural and sustainable products.
  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Premisecitation

    Genome-scale reconstructions (GEMs) are developed using databases such as KEGG and MetaCyc, which provide comprehensive information on metabolic pathways and enzymes from various organisms.

    “Genome-scale reconstructions (GEMs) are developed using databases such as KEGG (Kyoto Encyclopedia of Genes and Genomes) and MetaCyc, which provide comprehensive information on metabolic pathways and enzymes from various organisms [54].”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [54] Sun, 2021, Powerful tools for productivity improvements in microalgal production, Renew. Sustain. Energy Rev. source
  • May combine two claims.

    Premisecitation

    Wu et al. (2014) reconstructed metabolic network of C. protothecoides included 272 reactions, enabling simulations of phototrophic and heterotrophic growth.

    “The reconstructed metabolic network included 272 reactions, enabling simulations of phototrophic and heterotrophic growth.”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [51] Wu, 2014, Genome-based metabolic mapping and 13C flux analysis reveal systematic properties of an oleaginous microalga Chlorella protothecoides, Plant Physiol. source

      Checked before — its earlier verdict is held back until a new check runs.

  • Probably not a substantial claim: may not pass S3 (load-bearing), S4 (based).

    Interpretationnone given

    Data and model limitations pose significant challenges to implementation and optimization of AI-driven solutions in microalgae technologies.

    “In the research and development of microalgae technologies, data and model limitations pose significant challenges to the implementation and optimization of AI-driven solutions.”
    Quote in the paperNot a substantial claim
  • May combine two claims.

    Interpretationnone given

    Many microalgae experiments are conducted on a small scale, resulting in datasets that may not be sufficiently comprehensive to represent a broader range of environmental and operational conditions.

    “Many microalgae experiments are conducted on a small scale, resulting in datasets that may not be sufficiently comprehensive to represent a broader range of environmental and operational conditions.”
    Quote in the paperSubstantial claim
  • May combine two claims.

    Interpretationreasoning

    While challenges such as data quality and model generalization remain, the integration of AI offers a promising pathway to achieve scalable, efficient, and economically viable microalgae-based solutions for biofuel and high-value product production.

    “While challenges such as data quality and model generalization remain, the integration of AI offers a promising pathway to achieve scalable, efficient, and economically viable microalgae-based solutions for biofuel and high-value product production.”
    Quote in the paperSubstantial claim
  • May combine two claims.

    Interpretationreasoning

    Through real-time monitoring, predictive modeling, and automated control systems, AI has proven effective in optimizing cultivation parameters, enhancing CO2 sequestration, and streamlining harvesting and processing.

    “Through real-time monitoring, predictive modeling, and automated control systems, AI has proven effective in optimizing cultivation parameters, enhancing CO2 sequestration, and streamlining harvesting and processing.”
    Quote in the paperSubstantial claim
  • May combine two claims.

    Premisecitation

    Some studies utilized different metrics (such as photosynthetic efficiency and carbon dioxide absorption rates) to evaluate microalgal performance, making it challenging to combine diverse datasets.

    “For example, some studies utilized different metrics (such as photosynthetic efficiency and carbon dioxide absorption rates) to evaluate microalgal performance [65], making it challenging to combine diverse datasets.”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [65] Helmy, 2023, Perspective: Multiomics and machine learning help unleash the alternative food potential of microalgae, Adv. Nutr. source

      Checked before — its earlier verdict is held back until a new check runs.

  • May combine two claims.

    Interpretationreasoning

    At the current stage of development, AI can be effectively applied to optimize specific cultivation parameters, monitor growth dynamics, predict yields, and support decision-making in laboratory and pilot-scale operations.

    “At the current stage of development, AI can be effectively applied to optimize specific cultivation parameters, monitor growth dynamics, predict yields, and support decision-making in laboratory and pilot-scale operations.”
    Quote in the paperSubstantial claim
  • May combine two claims.

    Interpretationnone given

    The integration of AI in production of high-value products from microalgae has the potential to optimize yield, enhance extraction processes, and accelerate product development.

    “The integration of AI in the production of high-value products from microalgae has the potential to optimize yield, enhance extraction processes, and accelerate product development.”
    Quote in the paperSubstantial claim
45 of 45
  • The paper relies on this without support.

    There is currently a lack of comprehensive solutions that integrate AI to optimize microalgae cultivation and reduce production costs.

    “Currently, there is a lack of comprehensive solutions that integrate advanced technologies like artificial intelligence (AI) to optimize microalgae cultivation and reduce production costs.”
  • The paper relies on this without support.

    Most existing approaches focus on isolated aspects of the cultivation process and fail to address the complex interplay of environmental, biological, and operational factors.

    “Most existing approaches focus on isolated aspects of the cultivation process, failing to address the complex interplay of environmental, biological, and operational factors.”
  • The paper relies on this without support.

    Microalgal biomass production costs are USD 4–8 per kg under industrial-scale conditions.

    “Recent techno-economic analyses estimate production costs of microalgal biomass at USD 4–8 per kg under industrial-scale conditions, depending on the cultivation system and co-product valorization strategies employed.”
  • The paper relies on this without support.

    Industrial flue gases typically contain 2–10% v/v CO2.

    “Industrial flue gases typically contain 2–10% v/v CO2 and optimizing CO2 supply to these levels can significantly enhance microalgae growth rates.”
  • The paper relies on this without support.

    The global market for high-value products derived from microalgae is rapidly expanding, driven by increasing consumer demand for natural and sustainable products.

    “Furthermore, the global market for high-value products derived from microalgae is rapidly expanding, driven by increasing consumer demand for natural and sustainable products.”
  • The paper relies on this without support.

    Traditional methods of microalgae strain selection are labor-intensive and time-consuming.

    “Traditional methods of strain selection can be labor-intensive and time-consuming.”
  • The paper relies on this without support.

    Production of high-value compounds from microalgae depends heavily on cultivation conditions, and factors such as light intensity, nutrient composition, and cultivation mode can significantly influence yield.

    “The production of high-value compounds from microalgae, such as astaxanthin, phycocyanin, and omega-3 fatty acids, depends heavily on cultivation conditions. Factors such as light intensity, nutrient composition, and cultivation mode can significantly influence the yield of these compounds.”
  • The paper relies on this without support.

    High-quality data are fundamental for developing effective AI models.

    “High-quality data are fundamental for developing effective AI models.”
8 of 8

Cites

Flagged first, then by citations

Research works printed but not linked: 1

  1. Kovács, E. (2024). A Realistic Take on the Productivity and Sustainability of β-Carotene Biosynthesis in Microalgae and Yeast. [Bachelor’s Thesis, University of Groningen].

Cited by

Sorted by citations

Authors
Wu, Y., Shan, L., Zhao, W., & Lu, X.
Affiliations
  • Lianyungang Technical College (CN)
  • Beijing Academy of Science and Technology (CN)
Corresponding author
Lu, Xue
Venue
Marine Drugs
Publisher
MDPI AG
Published
2025-04-25
Volume
23
Issue
5
Pages
184
ISSN
1660-3397 (ISSN-L)
OpenAlex
W4409801510
Cited by
59
References
70
Citations by year
2026: 44 · 2025: 15
FWCI
2.61
Type
journal article
Language
en
Open access
Locations
  • Marine Drugs (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Financial Program of BJAST (25CB011-01, 25CB011-02)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
  • Physical Sciences › Environmental Science › Environmental Chemistry › Aquatic Ecosystems and Phytoplankton Dynamics
Keywords
microalgal biotechnology, artificial intelligence, machine learning, microalgae cultivation optimization, CO2 capture, biofuels, value-added chemicals, biomass production, lipid yield, carbon neutrality, climate change mitigation
MeSH terms
Machine Learning, Artificial Intelligence, Biotechnology, Carbon, Carbon Dioxide, Biomass, Biofuels, Microalgae

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Claims read by deepseek-v4.1-flash under definition version 3 (extract-v3) on 2026-11-06.

Classified by jev-1.13-20260917 (gold-guideline-v0.2) on 2026-11-06.

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