Showing 50 publications by Aidong Yang
Towards decarbonizing the supply chain of dairy industry: current practice and emerging strategies
Ni H, Zeng H, Liu Z, Li W, Miao S et al. (2025), Carbon Neutrality, 4(1)
BibTeX
@article{towardsdecarbon-2025/3,
title={Towards decarbonizing the supply chain of dairy industry: current practice and emerging strategies},
author={Ni H, Zeng H, Liu Z, Li W, Miao S et al.},
journal={Carbon Neutrality},
volume={4},
number={8},
publisher={Springer Nature Singapore},
year = "2025"
}
Assessing the net carbon removal potential by a combination of direct air capture and recycled concrete aggregates carbonation
Chen L & Yang A (2025), Resources, Conservation and Recycling, 212
BibTeX
@article{assessingthenet-2025/1,
title={Assessing the net carbon removal potential by a combination of direct air capture and recycled concrete aggregates carbonation},
author={Chen L & Yang A},
journal={Resources, Conservation and Recycling},
volume={212},
year = "2025"
}
Quorum sensing regulating the productivity and stability of cross-feeding cocultivation
Chen D, Qu Z, Yang S, Li Y, Yu S et al. (2024), Chemical Engineering Journal, 502, 158167
BibTeX
@article{quorumsensingre-2024/12,
title={Quorum sensing regulating the productivity and stability of cross-feeding cocultivation},
author={Chen D, Qu Z, Yang S, Li Y, Yu S et al.},
journal={Chemical Engineering Journal},
volume={502},
pages={158167},
publisher={Elsevier},
year = "2024"
}
Assembly of functional microbial ecosystems: from molecular circuits to communities.
Wu S, Zhou Y, Dai L, Yang A & Qiao J (2024), FEMS microbiology reviews, fuae026
BibTeX
@article{assemblyoffunct-2024/11,
title={Assembly of functional microbial ecosystems: from molecular circuits to communities.},
author={Wu S, Zhou Y, Dai L, Yang A & Qiao J},
journal={FEMS microbiology reviews},
pages={fuae026},
publisher={Oxford University Press (OUP)},
year = "2024"
}
Design and analysis of quorum sensing language “Interpreter” ecosystem for microbial community
Wu S, Zhang H, Zhou Y, Xu C, Yuan B et al. (2024), Chemical Engineering Journal, 496, 153148
BibTeX
@article{designandanalys-2024/9,
title={Design and analysis of quorum sensing language “Interpreter” ecosystem for microbial community},
author={Wu S, Zhang H, Zhou Y, Xu C, Yuan B et al.},
journal={Chemical Engineering Journal},
volume={496},
pages={153148},
publisher={Elsevier},
year = "2024"
}
Potential of Reducing CO<sub>2</sub> Emissions in Cement Production through Altering Clinker Compositions
Williams F & Yang A (2024), Industrial & Engineering Chemistry Research
BibTeX
@article{potentialofredu-2024/9,
title={Potential of Reducing CO<sub>2</sub> Emissions in Cement Production through Altering Clinker Compositions},
author={Williams F & Yang A},
journal={Industrial & Engineering Chemistry Research},
publisher={American Chemical Society (ACS)},
year = "2024"
}
Systematic elucidation of independently modulated genes in Lactiplantibacillus plantarum reveals a trade-off between secondary and primary metabolism
Qiu S, Huang Y, Liang S, Zeng H & Yang A (2024), Microbial Biotechnology, 17(2)
BibTeX
@article{systematiceluci-2024/2,
title={Systematic elucidation of independently modulated genes in Lactiplantibacillus plantarum reveals a trade-off between secondary and primary metabolism},
author={Qiu S, Huang Y, Liang S, Zeng H & Yang A},
journal={Microbial Biotechnology},
volume={17},
number={e14425},
publisher={Wiley},
year = "2024"
}
Decarbonisation pathways of the cement production process via hydrogen and oxy-combustion
Williams F, Yang A & Nhuchhen DR (2024), Energy Conversion and Management, 300
BibTeX
@article{decarbonisation-2024/1,
title={Decarbonisation pathways of the cement production process via hydrogen and oxy-combustion},
author={Williams F, Yang A & Nhuchhen DR},
journal={Energy Conversion and Management},
volume={300},
year = "2024"
}
DLTKcat: deep learning-based prediction of temperature-dependent enzyme turnover rates
Qiu S, Zhao S & Yang A (2024), Briefings in Bioinformatics, 25(1)
BibTeX
@article{dltkcatdeeplear-2024/1,
title={DLTKcat: deep learning-based prediction of temperature-dependent enzyme turnover rates},
author={Qiu S, Zhao S & Yang A},
journal={Briefings in Bioinformatics},
volume={25},
number={bbad506},
publisher={Oxford University Press},
year = "2024"
}
Food–energy–water nexus optimization brings substantial reduction of urban resource consumption and greenhouse gas emissions
Zhang P, Zhang L, Hao Y, Xu M, Pang M et al. (2024), PNAS Nexus, 3(2)
BibTeX
@article{foodenergywater-2024/1,
title={Food–energy–water nexus optimization brings substantial reduction of urban resource consumption and greenhouse gas emissions},
author={Zhang P, Zhang L, Hao Y, Xu M, Pang M et al.},
journal={PNAS Nexus},
volume={3},
number={pgae028},
publisher={Oxford University Press},
year = "2024"
}
Mathematical Modelling of a Novel Mineral Carbonation System Based on Biological pH Swing for Atmospheric CO2 Removal
Zhang Y & Yang A (2024), Computer Aided Chemical Engineering, 53(Archives of Microbiology 116 1978), 2509-2514
BibTeX
@article{mathematicalmod-2024/,
title={Mathematical Modelling of a Novel Mineral Carbonation System Based on Biological pH Swing for Atmospheric CO2 Removal},
author={Zhang Y & Yang A},
journal={Computer Aided Chemical Engineering},
volume={53},
pages={2509-2514},
publisher={Elsevier},
year = "2024"
}
Model-Based Assessment of Electrochemical Cells and Systems for Atmospheric CO2 Removal
Liu G & Yang A (2024), 53(Energy Environmental Science 4 4 2011), 541-546
BibTeX
@misc{modelbasedasses-2024/,
title={Model-Based Assessment of Electrochemical Cells and Systems for Atmospheric CO2 Removal},
author={Liu G & Yang A},
year = "2024"
}
Proteome trade-off between primary and secondary metabolism shapes acid stress induced bacterial exopolysaccharide production
Qiu S, Yang A, Yang X, Li W, Zeng H et al. (2024)
BibTeX
@misc{proteometradeof-2024/,
title={Proteome trade-off between primary and secondary metabolism shapes acid stress induced bacterial exopolysaccharide production},
author={Qiu S, Yang A, Yang X, Li W, Zeng H et al.},
year = "2024"
}
Re-organising nutrients flows in Leicestershire: systemic innovation to transform nutrient flows for environmental and socioeconomic benefits
Yang A, Ng KS, Thompson I, Tsui T, Wei Z et al. (2023)
BibTeX
@misc{reorganisingnut-2023/12,
title={Re-organising nutrients flows in Leicestershire: systemic innovation to transform nutrient flows for environmental and socioeconomic benefits},
author={Yang A, Ng KS, Thompson I, Tsui T, Wei Z et al.},
year = "2023"
}
Decarbonisation pathways of the cement production process via hydrogen and oxy-combustion
Williams F, Yang A & Nhuchhen DR (2023), Energy Conversion and Management, 300
BibTeX
@article{decarbonisation-2023/11,
title={Decarbonisation pathways of the cement production process via hydrogen and oxy-combustion},
author={Williams F, Yang A & Nhuchhen DR},
journal={Energy Conversion and Management},
volume={300},
number={117931},
publisher={Elsevier},
year = "2023"
}
Flux balance analysis-based metabolic modeling of microbial secondary metabolism: current status and outlook
Qiu S, Yang A & Zeng H (2023), PLoS Computational Biology, 19(8)
BibTeX
@article{fluxbalanceanal-2023/8,
title={Flux balance analysis-based metabolic modeling of microbial secondary metabolism: current status and outlook},
author={Qiu S, Yang A & Zeng H},
journal={PLoS Computational Biology},
volume={19},
number={e1011391},
publisher={Public Library of Science},
year = "2023"
}
Dynamic metagenome-scale metabolic modeling of a yogurt bacterial community.
Qiu S, Zeng H, Yang Z, Hung W-L, Wang B et al. (2023), Biotechnology and bioengineering, 120(8), 2186-2198
BibTeX
@article{dynamicmetageno-2023/8,
title={Dynamic metagenome-scale metabolic modeling of a yogurt bacterial community.},
author={Qiu S, Zeng H, Yang Z, Hung W-L, Wang B et al.},
journal={Biotechnology and bioengineering},
volume={120},
pages={2186-2198},
year = "2023"
}
Flux balance analysis-based metabolic modeling of microbial secondary metabolism: Current status and outlook.
Qiu S, Yang A & Zeng H (2023), PLoS computational biology, 19(8), e1011391
BibTeX
@article{fluxbalanceanal-2023/8,
title={Flux balance analysis-based metabolic modeling of microbial secondary metabolism: Current status and outlook.},
author={Qiu S, Yang A & Zeng H},
journal={PLoS computational biology},
volume={19},
pages={e1011391},
year = "2023"
}
Dynamic metagenome-scale metabolic modeling of a yogurt bacterial community
Qiu S, Zeng H, Yang Z, Hung W-L, Wang B et al. (2023), Biotechnology and Bioengineering, 120(8), 2186-2198
BibTeX
@article{dynamicmetageno-2023/7,
title={Dynamic metagenome-scale metabolic modeling of a yogurt bacterial community},
author={Qiu S, Zeng H, Yang Z, Hung W-L, Wang B et al.},
journal={Biotechnology and Bioengineering},
volume={120},
pages={2186-2198},
publisher={Wiley},
year = "2023"
}
Global green hydrogen-based steel opportunities surrounding high quality renewable energy and iron ore deposits
Devlin A, Kossen J, Goldie-Jones H & Yang A (2023), Nature Communications, 14
BibTeX
@article{globalgreenhydr-2023/5,
title={Global green hydrogen-based steel opportunities surrounding high quality renewable energy and iron ore deposits},
author={Devlin A, Kossen J, Goldie-Jones H & Yang A},
journal={Nature Communications},
volume={14},
number={2578},
publisher={Springer Nature},
year = "2023"
}
Global green hydrogen-based steel opportunities surrounding high quality renewable energy and iron ore deposits.
Devlin A, Kossen J, Goldie-Jones H & Yang A (2023), Nature communications, 14(1), 2578
BibTeX
@article{globalgreenhydr-2023/5,
title={Global green hydrogen-based steel opportunities surrounding high quality renewable energy and iron ore deposits.},
author={Devlin A, Kossen J, Goldie-Jones H & Yang A},
journal={Nature communications},
volume={14},
pages={2578},
year = "2023"
}
Surrogate modelling-assisted comparison of reactor schemes for carbon dioxide removal by enhanced weathering of minerals using seawater
Zhang J, Yang A, Darton R, Xing L & Vaughan A (2023), Chemical Engineering Journal, 461
BibTeX
@article{surrogatemodell-2023/2,
title={Surrogate modelling-assisted comparison of reactor schemes for carbon dioxide removal by enhanced weathering of minerals using seawater},
author={Zhang J, Yang A, Darton R, Xing L & Vaughan A},
journal={Chemical Engineering Journal},
volume={461},
number={141804},
publisher={Elsevier },
year = "2023"
}
Quorum sensing-based interactions among drugs, microbes, and diseases.
Wu S, Yang S, Wang M, Song N, Feng J et al. (2023), Science China. Life sciences, 66(1), 137-151
BibTeX
@article{quorumsensingba-2023/1,
title={Quorum sensing-based interactions among drugs, microbes, and diseases.},
author={Wu S, Yang S, Wang M, Song N, Feng J et al.},
journal={Science China. Life sciences},
volume={66},
pages={137-151},
year = "2023"
}
Development of a system model to predict flows and performance of regional waste management planning: A case study of England.
Ng KS & Yang A (2023), Journal of environmental management, 325(Pt B), 116585
BibTeX
@article{developmentofas-2023/1,
title={Development of a system model to predict flows and performance of regional waste management planning: A case study of England.},
author={Ng KS & Yang A},
journal={Journal of environmental management},
volume={325},
pages={116585},
year = "2023"
}
Dynamic microbial-community metabolic modeling for yogurt fermentation based on the metagenome of starter culture
Qiu S, Yang Z, Zeng H, Wang B & Yang A (2023), 52, 2619-2624
BibTeX
@misc{dynamicmicrobia-2023/1,
title={Dynamic microbial-community metabolic modeling for yogurt fermentation based on the metagenome of starter culture},
author={Qiu S, Yang Z, Zeng H, Wang B & Yang A},
year = "2023"
}
Model-based Optimisation of Regional Nutrient Flow and Recovery for Resource and Environmental Sustainability
Bhasker Nair PNS, Yang NHN, Zhang W, Ng KS & Yang A (2023), 52, 1387-1392
BibTeX
@misc{modelbasedoptim-2023/1,
title={Model-based Optimisation of Regional Nutrient Flow and Recovery for Resource and Environmental Sustainability},
author={Bhasker Nair PNS, Yang NHN, Zhang W, Ng KS & Yang A},
year = "2023"
}
Dynamic microbial-community metabolic modeling for yogurt fermentation based on the metagenome of starter culture
Qiu S, Yang Z, Zeng H, Wang B & Yang A (2023), 52(Biotechnology and Bioengineering 118 1 2021), 2619-2624
BibTeX
@misc{dynamicmicrobia-2023/,
title={Dynamic microbial-community metabolic modeling for yogurt fermentation based on the metagenome of starter culture},
author={Qiu S, Yang Z, Zeng H, Wang B & Yang A},
year = "2023"
}
Model-based Optimisation of Regional Nutrient Flow and Recovery for Resource and Environmental Sustainability
Nair PNSB, Yang N-HN, Zhang W, Ng KS & Yang A (2023), 52(Science of The Total Environment 612 2018), 1387-1392
BibTeX
@misc{modelbasedoptim-2023/,
title={Model-based Optimisation of Regional Nutrient Flow and Recovery for Resource and Environmental Sustainability},
author={Nair PNSB, Yang N-HN, Zhang W, Ng KS & Yang A},
year = "2023"
}
Dynamic community-level metabolic modeling for fermentation kinetics and metabolic interactions of the yogurt starter culture based on metagenomic analysis
Qiu S, Zeng H, Yang Z, Hung W-L, Wang B et al. (2023)
BibTeX
@misc{dynamiccommunit-2023/,
title={Dynamic community-level metabolic modeling for fermentation kinetics and metabolic interactions of the yogurt starter culture based on metagenomic analysis},
author={Qiu S, Zeng H, Yang Z, Hung W-L, Wang B et al.},
year = "2023"
}
Systematic elucidation of independently modulated genes in<i>Lactobacillus plantarum</i>reveals a trade-off between secondary and primary metabolism
Qiu S, Huang Y, Liang S, Zeng H & Yang A (2023)
BibTeX
@misc{systematiceluci-2023/,
title={Systematic elucidation of independently modulated genes in<i>Lactobacillus plantarum</i>reveals a trade-off between secondary and primary metabolism},
author={Qiu S, Huang Y, Liang S, Zeng H & Yang A},
year = "2023"
}
DLTKcat: deep learning based prediction of temperature dependent enzyme turnover rates
Qiu S, Zhao S & Yang A (2023)
BibTeX
@misc{dltkcatdeeplear-2023/,
title={DLTKcat: deep learning based prediction of temperature dependent enzyme turnover rates},
author={Qiu S, Zhao S & Yang A},
year = "2023"
}
Potential of orthogonal and cross-talk quorum sensing for dynamic regulation in cocultivation
Wu S, Qiao J, Yang A & Liu C (2022), Chemical Engineering Journal, 445, 136720
BibTeX
@article{potentialoforth-2022/10,
title={Potential of orthogonal and cross-talk quorum sensing for dynamic regulation in cocultivation},
author={Wu S, Qiao J, Yang A & Liu C},
journal={Chemical Engineering Journal},
volume={445},
pages={136720},
publisher={Elsevier},
year = "2022"
}
Development of a system model to predict flows and performance of regional waste management planning: a case study of England
Ng KS & Yang A (2022), Journal of Environmental Management, 325
BibTeX
@article{developmentofas-2022/10,
title={Development of a system model to predict flows and performance of regional waste management planning: a case study of England},
author={Ng KS & Yang A},
journal={Journal of Environmental Management},
volume={325},
number={116585},
publisher={Elsevier},
year = "2022"
}
Urban bioeconomy: uncovering its components, impacts and the Urban Bio-Symbiosis
Yang N-HN & Yang A (2022), Cleaner Production Letters, 3
BibTeX
@article{urbanbioeconomy-2022/8,
title={Urban bioeconomy: uncovering its components, impacts and the Urban Bio-Symbiosis},
author={Yang N-HN & Yang A},
journal={Cleaner Production Letters},
volume={3},
number={100015},
publisher={Elsevier},
year = "2022"
}
Machine learning aided construction of the quorum sensing communication network for human gut microbiota
Wu S, Feng J, Liu C, Wu H, Qiu Z et al. (2022), Nature Communications, 13(1)
BibTeX
@article{machinelearning-2022/6,
title={Machine learning aided construction of the quorum sensing communication network for human gut microbiota},
author={Wu S, Feng J, Liu C, Wu H, Qiu Z et al.},
journal={Nature Communications},
volume={13},
number={3079},
publisher={Springer Nature},
year = "2022"
}
Regional conditions shape the food–energy–land nexus of low-carbon indoor farming
Weidner T, Yang A, Forster F & Hamm MW (2022), Nature Food, 3, 206-216
BibTeX
@article{regionalconditi-2022/2,
title={Regional conditions shape the food–energy–land nexus of low-carbon indoor farming},
author={Weidner T, Yang A, Forster F & Hamm MW},
journal={Nature Food},
volume={3},
pages={206-216},
publisher={Springer Nature},
year = "2022"
}
Impact of fast-track regulatory designations on strategic commercialization decisions for autologous cell therapies
Lam C, Meinert E, Yang A & Cui Z (2022), Regenerative Medicine, 17(3), 155-174
BibTeX
@article{impactoffasttra-2022/1,
title={Impact of fast-track regulatory designations on strategic commercialization decisions for autologous cell therapies},
author={Lam C, Meinert E, Yang A & Cui Z},
journal={Regenerative Medicine},
volume={17},
pages={155-174},
publisher={Future Medicine Ltd},
year = "2022"
}
Regional supply chains for decarbonising steel: Energy efficiency and green premium mitigation
Devlin A & Yang A (2022), Energy Conversion and Management, 254
BibTeX
@article{regionalsupplyc-2022/1,
title={Regional supply chains for decarbonising steel: Energy efficiency and green premium mitigation},
author={Devlin A & Yang A},
journal={Energy Conversion and Management},
volume={254},
number={115268},
publisher={Elsevier},
year = "2022"
}
Embracing the era of renewable energy: model-based analysis of the role of operational flexibility in chemical production
Knight T, Chen C & Yang A (2022), 49, 1915-1920
BibTeX
@misc{embracingtheera-2022/,
title={Embracing the era of renewable energy: model-based analysis of the role of operational flexibility in chemical production},
author={Knight T, Chen C & Yang A},
year = "2022"
}
Kinetics-informed global assessment of mine tailings for CO2 removal
Bullock L, Yang A & Darton R (2021), Science of the Total Environment, 808
BibTeX
@article{kineticsinforme-2021/12,
title={Kinetics-informed global assessment of mine tailings for CO2 removal},
author={Bullock L, Yang A & Darton R},
journal={Science of the Total Environment},
volume={808},
number={152111},
publisher={Elsevier},
year = "2021"
}
Potential of enhanced weathering of calcite in packed bubble columns with seawater for carbon dioxide removal
Xing L, Pullin H, Bullock L, Renforth P, Darton RC et al. (2021), Chemical Engineering Journal, 431(Part 2)
BibTeX
@article{potentialofenha-2021/12,
title={Potential of enhanced weathering of calcite in packed bubble columns with seawater for carbon dioxide removal},
author={Xing L, Pullin H, Bullock L, Renforth P, Darton RC et al.},
journal={Chemical Engineering Journal},
volume={431},
number={134096},
publisher={Elsevier},
year = "2021"
}
Understanding and mathematical modelling of cellular resource allocation in microorganisms: a comparative synthesis
Zeng H, Rohani R, Huang WE & Yang A (2021), BMC Bioinformatics, 22(1)
BibTeX
@article{understandingan-2021/9,
title={Understanding and mathematical modelling of cellular resource allocation in microorganisms: a comparative synthesis},
author={Zeng H, Rohani R, Huang WE & Yang A},
journal={BMC Bioinformatics},
volume={22},
number={467},
publisher={BioMed Central},
year = "2021"
}
Combinational quorum sensing devices for dynamic control in cross-feeding cocultivation
Wu S, Xue Y, Yang S, Xu C, Liu C et al. (2021), Metabolic Engineering, 67, 186-197
BibTeX
@article{combinationalqu-2021/7,
title={Combinational quorum sensing devices for dynamic control in cross-feeding cocultivation},
author={Wu S, Xue Y, Yang S, Xu C, Liu C et al.},
journal={Metabolic Engineering},
volume={67},
pages={186-197},
publisher={Elsevier},
year = "2021"
}
Global biorenewable development strategies for sustainable aviation fuel production
Ng KS, Farooq D & Yang A (2021), Renewable and Sustainable Energy Reviews, 150
BibTeX
@article{globalbiorenewa-2021/7,
title={Global biorenewable development strategies for sustainable aviation fuel production},
author={Ng KS, Farooq D & Yang A},
journal={Renewable and Sustainable Energy Reviews},
volume={150},
number={111502},
publisher={Elsevier},
year = "2021"
}
Energy optimisation of plant factories and greenhouses for different climatic conditions
Weidner T, Yang A & Hamm M (2021), Energy Conversion and Management, 243
BibTeX
@article{energyoptimisat-2021/6,
title={Energy optimisation of plant factories and greenhouses for different climatic conditions},
author={Weidner T, Yang A & Hamm M},
journal={Energy Conversion and Management},
volume={243},
number={114336},
publisher={Elsevier},
year = "2021"
}
Editorial: developing and deploying negative emission technologies: system-level assessment and rationalization
Brandão M, Lamers P, Olfe-Kraeutlein B, Rickels W, Sick V et al. (2021), Frontiers in Climate, 3
BibTeX
@article{editorialdevelo-2021/6,
title={Editorial: developing and deploying negative emission technologies: system-level assessment and rationalization},
author={Brandão M, Lamers P, Olfe-Kraeutlein B, Rickels W, Sick V et al.},
journal={Frontiers in Climate},
volume={3},
number={707872},
publisher={Frontiers Media},
year = "2021"
}
Comparison between centralised and decentralised supply chain of autologous CAR-T therapies: a UK case study based on discrete event simulation
Lam C, Yang A, Meinert E & Cui Z (2021), Cytotherapy, 23(5), 433-451
BibTeX
@article{comparisonbetwe-2021/3,
title={Comparison between centralised and decentralised supply chain of autologous CAR-T therapies: a UK case study based on discrete event simulation},
author={Lam C, Yang A, Meinert E & Cui Z},
journal={Cytotherapy},
volume={23},
pages={433-451},
publisher={Elsevier},
year = "2021"
}
Renewable methanol production: Understanding the interplay between storage sizing, renewable mix and dispatchable energy price
Chen C, Yang A & Banares-Alcantara R (2021), Advances in Applied Energy, 2
BibTeX
@article{renewablemethan-2021/3,
title={Renewable methanol production: Understanding the interplay between storage sizing, renewable mix and dispatchable energy price},
author={Chen C, Yang A & Banares-Alcantara R},
journal={Advances in Applied Energy},
volume={2},
number={100021},
publisher={Elsevier},
year = "2021"
}
Enhanced weathering to capture atmospheric carbon dioxide: Modeling of a trickle‐bed reactor
Xing L, Yang A & Darton RC (2021), AIChE Journal, 67(5)
BibTeX
@article{enhancedweather-2021/1,
title={Enhanced weathering to capture atmospheric carbon dioxide: Modeling of a trickle‐bed reactor},
author={Xing L, Yang A & Darton RC},
journal={AIChE Journal},
volume={67},
number={e17202},
publisher={Wiley},
year = "2021"
}
Global carbon dioxide removal potential of waste materials from metal and diamond mining
Bullock L, James R, Matter J, Renforth P, Yang A et al. (2021)
BibTeX
@inproceedings{globalcarbondio-2021/1,
title={Global carbon dioxide removal potential of waste materials from metal and diamond mining},
author={Bullock L, James R, Matter J, Renforth P, Yang A et al.},
booktitle={Goldschmidt2021 abstracts},
year = "2021"
}