Dr Tahmina Ajmal

Journal Papers

• Mitigating the Impact of Harmful Algal Blooms on Aquaculture Using Technological Interventions: Case Study on a South African Farm, Tahmina Ajmal, Fazeel Mohammed, Martin S. Goodchild, Jipsy Sudarsanan, and Sarah Halse. 2024, Sustainability 16, no. 9: 3650. https://doi.org/10.3390/su16093650.2.
• Aquaculture 4.0: Hybrid Neural Network Multivariate Water Quality Parameters Forecasting Model, Eze, Elias, Sam Kirby, John Attridge, and Tahmina Ajmal, Sci Rep 13, 16129 (2023) https://doi.org/10.1038/s41598-023-41602-7
• Comparative investigation on macroscopic and microscopic characteristics of impingement spray of gasoline and ethanol from a GDI injector under injection pressure up to 50 MPa, Xiang Li, Dayou Li, Pavlos Dimitriou, Tahmina Ajmal, Abdel Aitouche, Raouf Mobasheri, Oyuna Rybdylova, Yiqiang Pei, Zhijun Peng, Energy Reports,Volume 9, 2023, Pages 1910-1918,ISSN 2352-4847, https://doi.org/10.1016/j.egyr.2023.01.024
• A Comprehensive Review on Food Waste Reduction Based on IoT and Big Data Technologies, Ahmadzadeh, S.; Ajmal, T.; Ramanathan, R.; Duan, Y.. Sustainability 2023, 15, 3482. https://doi.org/10.3390/su15043482
• IoT Sensor Technologies to Reduce Waste and Improve Sustainability in Artisanal Fish Farming in Southern Brazil. Ramanathan, R.; Duan, Y.; Valverde, J.; Van Ransbeeck, S.; Ajmal, T.; Valverde, S Sustainability2023, 15, 2078. https://doi.org/10.3390/su15032078
• Motivations and Challenges for Food Companies in Using IoT Sensors for Reducing Food Waste: Some Insights and a Road Map for the Future. Ramanathan R, Duan Y, Ajmal T, Pelc K, Gillespie J, Ahmadzadeh S, Condell J, Hermens I, Ramanathan U Sustainability. 2023; 15(2):1665. https://doi.org/10.3390/su15021665
• Comparative investigation on macroscopic and microscopic characteristics of impingement spray of gasoline and ethanol from a GDI injector under injection pressure up to 50 MPa, Xiang Li, Dayou Li, Pavlos Dimitriou, Tahmina Ajmal, Abdel Aitouche, Raouf Mobasheri, Oyuna Rybdylova, Yiqiang Pei, Zhijun Peng, Energy Reports, Volume 9,2023, Pages 1910-1918, ISSN 2352-4847 https://doi.org/10.1016/j.egyr.2023.01.024
• Exploring the potential benefits of Ethanol Direct Injection (EDI) timing and pressure on particulate emission characteristics in a Dual-Fuel Spark Ignition (DFSI) engine, Xiang Li, Dayou Li, Jingyin Liu, Tahmina Ajmal, Abdel Aitouche, Raouf Mobasheri, Oyuna Rybdylova, Yiqiang Pei, Zhijun Peng. Journal of Cleaner Production, Volume 357, July 2022, https://doi.org/10.1016/j.jclepro.2022.131938
• Comparative Study on the Macroscopic Characteristics of Gasoline and Ethanol Spray from a GDI Injector under Injection Pressures of 10 and 60 MPa March 2022, Xiang Li, Dayou Li, Jingyin Liu, Tahmina Ajmal, Abdel Aitouche, Raouf Mobasheri, Oyuna Rybdylova, Yiqiang Pei, and Zhijun Peng, ACS Omega 2022 7 (10), 8864-8873 DOI: 1021/acsomega.1c07188
• Implementation of Oxy-Fuel Combustion (OFC) Technology in a Gasoline Direct Injection (GDI) Engine Fueled with Gasoline–Ethanol Blends. Xiang Li; Yiqiang Pei; Dayou Li; Tahmina Ajmal; Abdel Aitouche; Raouf Mobasheri, and Zhijun Peng, Q2; ACS Omega (2021). 78/178 https://pubs.acs.org/doi/full/10.1021/acsomega.1c02947
• Numerical investigation on implementing Oxy-Fuel Combustion (OFC) in an ethanol-gasoline Dual-Fuel Spark Ignition (DFSI) engine, Li, Z. Peng, T. Ajmal et al, Fuel, Volume 302,2021, https://www.sciencedirect.com/science/article/pii/S0016236121010413
• Effects of Water Injection Strategies on Oxy-Fuel Combustion Characteristics of a Dual-Injection Spark Ignition Engine; Li, Xiang, Yiqiang Pei, Dayou Li, Tahmina Ajmal, Khaqan-Jim Rana, Abdel Aitouche, Raouf Mobasheri, and Zhijun Peng. Energies 14, no. 17: 5287. https://doi.org/10.3390/en14175287
• Time Series Chlorophyll-A Concentration Data Analysis: A Novel Forecasting Model for Aquaculture Industry. E.Eze, S.Kirby, J.Attridge, Ajmal, Eng. Proc. 2021, 5, 27. https://doi.org/10.3390/engproc2021005027
• Developing a Novel Water Quality Prediction Model for a South African Aquaculture Farm. E. Eze, S. Halse, Ajmal, Water 2021, 13, 1782. doi.org/10.3390/w13131782
• Time Series Chlorophyll-A Concentration Data Analysis: A Novel Forecasting Model for Aquaculture Industry. E.Eze, S.Kirby, J.Attridge, Ajmal, Eng. Proc. 2021, 5, 27. doi.org/10.3390/engproc2021005027
• Numerical investigation on implementing Oxy-Fuel Combustion (OFC) in an ethanol-gasoline Dual-Fuel Spark Ignition (DFSI) engine, Li, Z. Peng, T. Ajmal et al, Fuel, Volume 302,2021, www.sciencedirect.com/science/article/pii/S0016236121010413
• Numerical study on the effects of intake charge on oxy-fuel combustion in a dual-injection spark ignition engine at economical oxygen-fuel ratios, Li, Z. Peng, T. Ajmal et al, International Journal of Engine Research, (2021) doi.org/10.1177/14680874211022292
• A feasibility study of implementation of oxy-fuel combustion on a practical diesel engine at the economical oxygen-fuel ratios by computer simulation, Li, Z. Peng, T. Ajmal, A. Aitouche,R. Mobasheri, Y. Pei, B. Gao, M. Wellers, Advances in Mechanical Engineering, December 2020, Volume: 12 issue: 12, 10.1177/1687814020980182
• Dissolved Oxygen Forecasting in Aquaculture: A Hybrid Model Approach. E. Eze; Ajmal, Appl Sci- Environmental and Sustainable Science and Technology Appl. Sci.2020, 10(20), 7079; www.mdpi.com/853284
• Implantable Antennas for Bio-medical Applications, N. A. Malik, P. Sant, Ajmal and M.Ur-Rehman, IEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology, 2020 https://ieeexplore.ieee.org/document/9217912
• Modelling and Prediction of Surface Water Contamination using On-line Sensor Data, T.K. Anyachebelu; M. Conrad and T. Ajmal International Journal on Smart Sensing and Intelligent Systems. Volume 7, Issue 5, Pages 1-5, doi.org/10.21307/ijssis-2019-117
• Design of a Smart System for Rapid Bacterial Test, R. Patil; S. Levin; S. Rajkumar and T. Ajmal Water 2020, 12, 15. www.mdpi.com/2073-4441/12/1/15/htm (Editor’s Choice Article)
• Evaluating Urban Water Quality in Luton, T. Ajmal, T. K. Anyachebelu, M. Conrad, D.M. Rawson, Springer Nature, Environmental Monitoring and Assessment (2019) 191 (3): 147. doi.org/10.1007/s10661-019-7264-z
• Nanoantenna arrays combining enhancement and beam control for fluorescence-based sensing applications, N. Dorh, A. Sarua, T. Ajmal, J. Okache, C. Rega, G. M. Müller, and M. J. Cryan Applied Optics, Oct 2017, 56(29):8252 https://doi.org/10.1364/AO.56.008252
• UV LED Fluorescence Based Method For Detecting Organic Contaminants In Wa-ter: A Review, J. Okache, B. Haggett, T. Ajmal, Transactions on Machine Design Volume 3 Number 1 February 2015 www.semanticscholar.org/paper/UV-LED-Fluorescence-Based-Method-For-Detecting-In-%3A-Okache-Haggett/6aafb15a670c6bbe19afc5c4e65980d770ca1c1c
• Design and optimisation of compact RF energy harvesting device for smart applications, T. Ajmal, V. Dyo, B. Allen, D. Jazani and Ivan Ivanov. Electronic Letters, January 2014 ieeexplore.ieee.org/document/6729339
• Design of a ferrite rod antenna for harvesting energy from medium wave broadcast signals, V. Dyo, T. Ajmal, B. Allen, D. Jazani and I. Ivanov, The Journal of Engineering, December 2013 digital-library.theiet.org/content/journals/10.1049/joe.2013.0126
• 1.562 Gb/s Phase-Encrypted Secure Communication, T. Ajmal and S. D. Walker IET Optoelectronics, Volume 2, issue5, October 2008, p. 201 – 208 ieeexplore.ieee.org/document/6729339

Conference Papers

• Use of Predictive models in the identification of Harmful Algal blooming species can aid in the management of fisheries resources, aquaculture, and coastal communities, Fazeel Mohammed, Tahmina Ajmal, Bushra Ahmed, Yanqing Duan, Sustainable Management of UK Marine Resources (SMMR) Conference 2024, Bristol, UK 14^th-16^th May 2024.
• Chlorophyll-a Concentration Time Series Data Analysis: A Novel Forecasting Model for Aquaculture Industry. E. Eze, S. Kirby, J. Attridge, Ajmal, International conference on Time Series and Forecasting ITISE-2021, 19th-21th July, 2021, Gran Canaria, Spain.
• A Tri-band Implantable Antenna for Biotelemetry Applications (Best Paper award), N. A. Malik, T. Ajmal, P. Sant and M. Ur-Rehman, 2020 International Conference on UK-China Emerging Technologies (UCET), Glasgow
• A. Malik, T. Ajmal, P. Sant and M. Ur-Rehman, "A Compact Size Implantable Antenna for Bio-medical Applications," 2020 International Conference on UK-China Emerging Technologies (UCET), Glasgow, United Kingdom, 2020, pp. 1-4, ieeexplore.ieee.org/document/9205350
• Agriculture 4.0: A review of sensors for reducing waste in food logistics and supply chains, R.Ramanathan, D. Kelly, B.Gardiner, G. Corkey, Ajmal, J. Condell, W.Duffy, Proceedings of EuROMA (Managing Operations for Impact) University of Warwick 28^th-29^th June 2020 euroma2020.exordo.com/programme/presentation/192
• IoT sensors in Aquaculture – Barriers and Facilitators for sustainability in Brazilian Context’ R. Ramanathan, Y Duan, T Ajmal, F Dong, S V Ransbeeck, J M M Valverde, S B Valverde, Proceedings of the International Conference on Industrial Engineering and Operations Management, Toronto, Canada, October 23-25, 2019
• Can sustainable water monitoring be a reality?’, T. Ajmal, L. Guimarães, C. Almeida B. Genthe, U. Rivett, accepted for 9th International Conference on Environment Science and Engineering (ICESE 2019), Leuven, Belgium during March 20-22, 2019.
• ‘Application of Water Quality Index for Pollution Detection at Luton Hoo Lake’, T. K. Anyachebelu, M. Conrad, D. Rawson, T. Ajmal, accepted as position paper for IEEE Sensors 2015, Busan, South Korea, November 1-4, 2015.
• ‘Sensing Fresh Water Contamination Using UV Fluorescence Methods’, J.Okache, B. Haggett, R. Maytum, A. Mead, D. Rawson, T. Ajmal, Proc IEEE Sensors 2015, Busan, South Korea from November 1-4, 2015.
• ‘Nanoantenna Enhanced Fluorometric Sensing’, N. Dorh, A.Sarua, T.Ajmal and M.Cryan, 6th International Conference and Exhibition on Water, Wastewater & Environmental Monitoring 2014, At Telford, UK.
• ‘Surface water quality prediction system for Luton Hoo lake: A statistical approach’, T. K. Anyachebelu, M. Conrad and T. Ajmal, Proc.INTECH 2014, August 12-14, 2014, Luton, United Kingdom.
• ‘Modelling and Prediction of Surface Water Contamination using On-line Sensor Data’, T. K. Anyachebelu, M. Conrad and T. Ajmal, Proc ICST 2014, 2-4September 2014, Liverpool, United Kingdom.
• ‘Wireless Sensor Network for Water Monitoring: A Review’, J. Okache and T. Ajmal, May 2013 - 2nd International Workshop on Smart Wireless Communications, SWICOM 2013.
• ‘Harvesting energy from ambient radio signals: a load of hot air?’,B.Allen, T.Ajmal, V.Dyo and D.Jazani, 2012 Loughborough Antennas and Propagation Conference, 12-13 November, Loughborough, UK.
• ‘Design of a Compact RF Energy Harvester for Wireless Sensor Networks’, T.Ajmal, D.Jazani and B.Allen, IET Wireless Sensor Systems 2012 , June 2012, London
• ‘E.coli chromogenic reagent selection based on user perception for use in field based water quality tests’, T. Ajmal, N.E.Scott-Samuel, Germinal Magro, R.E.S. Bain, R.L. Matthews, A.P. and S.W. Gundry, The 5th International Conference on Environmental Science and Technology,July 12-16,2010 in Houston, Texas, USA.
• 'Optimizing readability of Escherichia coli selective fluorogenic assay for testing water quality', T. Ajmal, R.E.S. Bain, R.L. Matthews, and S.W. Gundry, The 5th International Conference on Environmental Science and Technology, July 12-16,2010 in Houston, Texas, USA.
• ‘A novel, electrically independent field incubator for microbiological water testing’ R.L. Matthews, R.E.S. Bain, T. Ajmal and S.W. Gundry, The 5th International Conference on Environmental Science and Technology, July 12-16,2010 in Houston, Texas, USA.
• ‘A 'human-in-the-loop' mobile image recognition application for rapid scanning of water quality test results’, M. Loudon, T. Ajmal, U. Rivett, D. Jager, R. Bain, R. Matthews and S. W. Gundry, EISE-09, London, 29-30 October 2009.
• 'Design of a 10Gbps Optical Burst Mode DPSK Receiver for Data and ClockRecovery' T. Ajmal, T. Quinlan, R. Razavi, E. Hugues-Salas, S.D. Walker, ECOC 2008, Brussels, September 2008.
• 'A Fuzzy Logic Packet Scheduling For Delay Constrained Traffic in Synchronous OPS Networks', R. Razavi, E. Hugues-Salas, T. Ajmal, T. Quinlan, S. D. Walker and C. Bock, ONDM 2008, 12-18 March 2008, Catalonia, Spain.
• 'Performance Evaluation of DC-Coupled Burst Mode Receivers for PON Applications', R. Razavi, E. Hugues Salas, T. Ajmal , T. Quinlan and S.D. Walker, Broadband Europe, Antwerp, 3-6 December 2007.
• ‘A 1.562 Gb/s Phase-Encrypted Secure Communication’, T. Ajmal, T. Quinlan and S.D. Walker, OFMC 2007, 15th - 17th October 2007, Teddington, UK.
• ‘Phase-Encrypted Secure Communication Technique For GPON’s’, T. Ajmal, E. Hugues-Salas, R. Razavi, T. Quinlan, G. Zervas, D. Simeonidou and S.D. Walker, Proc. 2007 IEEE/LEOS Photonics in Switching, San Francisco, CA, USA 19th – 22nd August 2007. WA1. 2.
• ‘Stokes Encrypted Secure Communication over Optically Amplified Links', T. Ajmal, J. J. Lepley, S. D. Walker, Proc. ECOC 2006 (32nd European Conference on Optical Communication), Cannes, France 24th-28th September 2006. Th 2.6.3.
• ‘Experimental Demonstration of a Macroscopic Cryptography Technique’, T. Ajmal, J. J. Lepley, S. D. Walker, Proc. ICTON 2006 (8th International Conference on Transparent Optical Networks), Nottingham, UK, 18th -22nd June 2006, pp84-87.
• ‘Stokes Encrypted Secure Data Transmission Scheme’, T. Ajmal, J. J. Lepley, S. D. Walker, Proc. NOC-2005, London, UK, 5th -7th July2005.
• ‘Stokes Encrypted Data Transmission', T. Ajmal, J. J. Lepley, S. D. Walker, Proc. PREP 2005, Lancaster, UK, 30th Mar-1st Apr 2005, pp95-97.
• ‘An Intelligent Fibre Optic Sensor for Precise Level Measurement', T. Ajmal and M. Rehman, Proc. IEEE International Conference on Robotics, Vision, Information and Signal Processing, Penang, Malaysia, 22nd-24th Jan 2003, pp456-459.
• ‘A Novel Fibre Sensor for the Measurement of Fluid Density using ANN’, T. Ajmal, Navkalp and M. Rehman, Proc. IEEE International Conference on Robotics, Vision, Information and Signal Processing, Penang, Malaysia, 22nd-24th Jan 2003, pp73-77.
• ‘A Novel High Temperature Measuring System’, T. Ajmal, D. Prasad and M. Rehman, All India Seminar On “Instrumentation Engineering-Practices, Teaching And Research”, IETE, Hyderabad, India, 14th -16th July, 2001
• ‘A Novel Optical Fibre Based Density Transducer’, T. Ajmal and M. Rehman, All India Seminar On “Instrumentation Engineering-Practices, Teaching And Research”, IETE, Hyderabad, India, 14th -16th July, 2001
• ‘A Novel Optical Fibre Based Temperature Measuring System’, T. Ajmal and M. Rehman, National Seminar On Advanced Instrumentation, Held At CSIO, Chandigarh, 29th –31st Jan. 2001
• ‘A Fiber Optic Angular Displacement Transducer’, T. Ajmal, M. Mufti, A. Khan and M. Rehman, Proc. National Symposium and Exposition on Modern Instrumentation- Challenges and Visions, AMU, Aligarh, India, Feb 27th -28th, 1999.
• ‘Optical Fibre Based Biomedical Sensor’, T. Ajmal and M. Rehman, Proc. National Symposium and Exposition on Modern Instrumentation- Challenges and Visions, AMU, Aligarh, India, Feb 27th -28th, 1999.
• ‘A PC Based Energymeter Error Correction System’, T. Ajmal and M. Rehman, Proc. National Symposium and Exposition on Modern Instrumentation- Challenges and Visions, AMU, Aligarh, India, Feb 27th -28th, 1999.
• ‘A Fibre Optic Tiltmeter’, T. Ajmal and M. Rehman, Proc. IEEE Instrumentation and Measurement Technology Conference, Brussels, Belgium, June 4th - 6th, 1996, pp1076-1079.
• ‘Laser Tissue Interaction’, T. Ajmal, M.J. Siddiqui, and M.Rehman, Proc. International Conference Organized by Molecular Association, Chemistry Dept., AMU, Aligarh, India, March 1996, p25.
• ‘A Simple Fibre Optic Liquid Level Transducer', T. Ajmal and M. Rehman, Proc. National Conference on Optical Communication, Feb. 22nd -24th, 1995, Univ. of Allahabad, UP, India, pp200-202.
• ‘DC Motor Speed Control Using Fiber Optic Speed Transducer’, T. Ajmal and M. Rehman, Proc. National Conference on Optical Communication, Feb. 22nd -24th , 1995, Univ. of Allahabad, UP, India, pp193-195.
• ‘Fibre Optic Speed Transducer’, T. Ajmal and M. Rehman, Proc. National Symposium on Systems, Oct. 03rd, 1993, IIT Madras, India, pp101-104.

Presentations/Poster

• ‘Smart Water Quality Monitoring Technologies’, Invited Talk, 9-11^th April, 7^th IEEE International Conference on Photonics (ICP 2018), Langkawi, Malaysia
• ’ Smart sensing technologies and signal processing with real data, Invited talk, 21^st December 2017, Department of Electronic Engineering, Aligarh Muslim University, Aligarh, India
• ‘Research at University of Bedfordshire’, Cities of the Future, International Brokerage Event, Brussels, 26-27^th October 2017
• ‘Optimal Methods for reading Drinking water Tests’, T.Ajmal, poster presentation for SWIG Early career researcher’s conference, 7-8th November 2012, London.
• “Water Monitoring- challenges and advancements”, British Council conference, Putteridge Bury, Luton, May 24-25, 2012.
• 'Powering Wireless Sensor Networks from Ambient RF Energy' D.Jazani, T.Ajmal and B.Allen, Wireless Sensor Networks & RTLS, May 2012, Berlin.
• "Energy Harvesting for M2M Devices", J.Corbett, B.Allen and T.Ajmal, IET Making the business case for machine-to-machine networks. London, 20 0ctober 2011.
• ‘Is you drinking water safe?’, Knowledge Network, Putteridge Bury Conference Centre, Luton, 29th Sept 2011

Official Technical Reports

• “Burst Mode Receivers for Access GPON/XL-PON Networks: Development of an Alternative Prototype”, European Project MUSE Deliverable (DE2.4.1), 2007. R. Razavi, E. Hugues-Salas, T. Quinlan, T.Ajmal and S.D. Walker
• ‘CM.7 M2 'GO/NO GO' -Evidence that the device and selective medium have satisfactorily passed preliminary testing (MA1)- Appendix 3: Ease of Reading’ Sept 2009, T. Ajmal.
• ‘CM.7 M2 'GO/NO GO' -Evidence that the device and selective medium have satisfactorily passed preliminary testing (MA1)- Appendix 3: Optical Reader’ Sept 2009, T. Ajmal.

Book Chapter

• S.D. Walker, E. Hugues-Salas, R. Razavi, and T. Ajmal, "Digital Data Transmission ", in 'The Cable and Telecommunications Professionals' Reference' Volume 2, Third Edition: Transport Networks, Elsevier/ Focal Press, ISBN: 978-0240807485.