Transport Conditions Research Articles

Disentangling spring–neap suspended particulate matter (SPM) dynamics in estuaries

Abstract. Suspended particulate matter (SPM) concentrations in estuaries have been observed to vary strongly over the spring–neap cycle through complex interactions between trapping and re-suspension. However, a systematic framework for analysing the processes causing this spring–neap SPM variability in general is missing. In this study we set up such a framework, consisting of three tiers. First, by studying the sediment transport capacity, how the locations of sediment trapping change over the spring–neap cycle is identified. Second, how the transport capacity affects the sediment stock and bottom pool of sediment is studied. This bottom pool only adapts gradually to the changing transport conditions, incorporating a lag or memory effect. Using a two-timescale analysis it is shown that this slow movement of the bottom pool is the leading source of such lag effects. Third, the SPM concentration is explained from an almost instantaneously balanced exchange between the bottom pool and the water column through re-suspension and deposition. We demonstrate the use of this framework on two model cases implemented in the idealised width-averaged iFlow model: an idealised test case where the sediment dynamics do not affect the water motion and a case representative of the Loire estuary, with strong feedback between sediment and the water motion through sediment-induced damping of turbulence. The first is illustrative as it allows a full understanding in terms of cause and effect between water motion, transport, and SPM concentration. In the more realistic Loire case, the SPM dynamics cannot be explained in terms of cause and effect but can explain the trapping locations and timing of maximum concentrations in a systematic way in terms of the governing physical mechanisms.

Obstacle-Aware Crowd Surveillance with Mobile Robots in Transportation Stations

Obstacle-Aware Crowd Surveillance with Mobile Robots in Transportation Stations

A Multi-Source Heterogeneous Data-Driven Method for Nursing Home Location Selection: The Cases of Two Districts in Beijing

Background: The configuration of nursing homes is crucial for cities with severe aging populations, traditional optimization methods mentioned in previous research rarely use multi-- source heterogeneous data. Objective: To optimize the nursing home location selection methods and improve decision effectiveness by multi-source heterogeneous data. Design: Quantitative data were collected using a mixed-methods design. Methods: The real-time data was considered and the population factors, economic level, natural factors, medical conditions, convenience of life and traffic accessibility were integrated to explain location-decision principles. Geographical Information System (GIS) was used to collect spatial data, and machine learning methods were employed to evaluate the spatial suitability of nursing homes at a 500-meter grid scale. To test the validity, Xicheng and Dongcheng districts in Beijing were chosen as cases. Results: The proposed method shows better prediction performance compared with Extreme Gradient Boost (XGBoost), Random Forest, and AdaBoost. The quantitative analysis showed that the number of schools, the proportion of green areas, medical conditions, traffic accessibility, and the number of shopping facilities are the main features for determining the location of nursing homes in Xicheng and Dongcheng Districts Beijing. Conclusion: The local government should pay attention to factors such as education, green spaces, medical conditions, transportation conditions, and shopping convenience when considering the configuration of nursing homes. The location selection method proposed in this paper considers multiple dimensions to increase objectivity and comprehensiveness.

Methodology for Providing Priority to Urban Passenger Transport Traffic

The article considers the efficiency of providing priority conditions for urban passenger transport by allocating separate lanes for public transport on the roadway. The results of modelling the traffic flow on the considered segments of the city street network are complemented by a conclusion about the need to improve road traffic management on these segments, considering the intensity and composition of the traffic flow.Simulation allows creating mathematical or computer models for analysing and assessing the traffic conditions of urban passenger transport. The models are based on various parameters of traffic flows, the schedule of urban passenger transport, the location of public transport stops, etc. Modelling allows conduct of different experiments to assess the effectiveness of various measures and changes in the transport system.The objective of the study is to develop a methodology for analysing traffic conditions that will identify and assign priority to urban passenger transport traffic to achieve efficiency and comfort of its operation, improve transport accessibility and reduce traffic delays.Optimisation of the traffic provides for various management scenarios to find optimal solutions that reduce delays, congestion, traffic intensity, etc.Route planning is necessary for developing an optimal strategy for efficient passenger service. Demand forecasts make it possible to predict not only passenger traffic, but also the need for transportation in different periods, which is necessary for route planning and selection of optimal rolling stock features. All these areas of modelling the urban passenger transport traffic are developed to achieve the goals of increasing efficiency, reducing the risk of road traffic accidents, improving the quality of transport services and the safety of passenger transportation, which should create a sustainable system aimed at satisfying the basic needs of urban transport passengers.

Affecting factors and health risks of organophosphate esters in urban soil and surface dust in a typical river valley city based on local bivariate Moran's I and Monte-Carlo simulation

A total of 102 urban soil and surface dust samples were collected from Lanzhou of China to clarify the occurrences, sources, affecting factors, and health risks of 13 organophosphate esters (OPEs). The total concentration of 13 OPEs (Ʃ13OPEs) in urban soil and surface dust ranged from 80.1 to 749 and 244 to 4905ng/g, dominated by chlorinated OPEs (39.9% and 65.1%). The Ʃ13OPEs in the two media was higher in the central and eastern of Lanzhou due to local topography and wind direction. OPEs in the two media originated from industrial, traffic and commercial activities (37%–53.4%), atmospheric depositions (24.3%–31.3%), and OPEs-containing material emissions (14.5%–31.7%). Transport station number, residential/commercial area distribution, and road length were positively correlated with Ʃ13OPEs in the two media, suggesting that traffic activities are the main factors influencing the distribution of OPEs. Probabilistic non-cancer (< 1) and cancer (< 1×10-6) risks of human exposed to OPEs were low, mainly attributed to OPEs-containing material emissions (47.5%–62.0%) in urban soil and industrial/traffic activities (57.8%–92.2%) in surface dust. Reducing the frequency of human exposed to the two media and controlling the release of OPEs from pollution sources may mitigate population exposure risks.

OFF–ON stirring potentiometry with solvent polymeric membrane ion-selective electrodes: A theory-guided approach to foreign ions

The response of ion-selective electrodes (ISEs) towards a foreign ion is comprehensively investigated as a function of the nature and concentration of the ion, and of the mass transport conditions in the outer solution. Notably, a striking transient potential drift is evidenced by sheer activation of stirring in an initially quiescent solution of the foreign ion, both in the absence and presence of the primary ion. This phenomenon is rationalized in terms of the ion exchange at the outer membrane side coupled to the mass transfer of ions. This has been modelled through a novel theoretical treatment of the corresponding time-dependent mass transport problem, leading to simple closed-form expressions for the membrane potential and for the interfacial ion concentrations in the unstirring and stirring periods. The theoretical predictions are corroborated experimentally by monitoring the potential of a nitrate ISE exposed to ions of very different affinity towards the membrane (tetraphenylborate, perchlorate and chloride) before and after switching on the agitation of the solution. Such OFF-ON stirring program enables the study of foreign ions, even simultaneously with the determination of the primary species by the joint analysis of the potentials before and after the activation of the stirring.

Atmospheric Pressure Mass Spectrometry Imaging Using Electrospray-Assisted Laser Desorption/Ionization with Gas Transportation through a Heated Tube and Minimal Sample Preparation.

Mass spectrometry (MS) is a valuable tool that enables label-free analysis and the ability to measure multiple molecules. The atmospheric pressure MS imaging (MSI) method usually requires tedious sample preparation. A simple ionization method with minimal sample preparation is needed for high-throughput analysis. We have developed an ion source that does not require sample preparation such as thinning, curing, planarization, or addition of matrix by the electrospray-assisted laser desorption/ionization with gas transportation (ELDI-GT). The sample is transported with nitrogen gas through a heated tube to the electrospray. The ion signal of protonated caffeine was measured under different transport conditions. The ion signal intensity was found to increase 11-fold by changing the flow rate and tube temperature from 2.8 cm3/s and 473 K to 25 cm3/s and 673 K. ELDI-GT was able to visualize the localization of caffeine crystals at a pixel size of 50 µm using MSI because of the effective GT using the heated tube. The dependence of the ion signal intensity was discussed on the amount of heat applied to the sample in the heated tube. ELDI-GT allowed accurate localization of caffeine at a pixel size of 50 µm without the need to apply thinning and matrix to a sample.

К вопросу модернизации Улан-Баторской железной дороги

Purpose: analysis of the problem of the development of transport relations between Russia, Mongolia and China. Development of the border regions of the Russian Federation. Development of economic cooperation and strengthening of regional interconnection between Russia, Mongolia and China. Increasing the capacity and modernization of the Ulaanbaatar railroad infrastructure. Reconstruction of small artificial structures. Methods: a review of information from various sources on the construction of the Ulaanbaatar railroad, the current state of the main line, the prospects of development and the need to modernize the infrastructure was carried out. The source materials obtained from the owners of the infrastructure of the Ulan-Bator railroad were analyzed. Results: the article shows the advantages for the development of friendly relations between Russia, Mongolia and China in the case of modernization of the Ulaanbaatar railway. Modern design options of small artificial structures are proposed. Practical importance: the material obtained by the authors allows us to continue practical work on the further development and modernization of the Ulaanbaatar Railway, including potential infrastructure upgrades, improving conditions for passenger and cargo transportation. The practical implementation of solutions for the significant development of the Trans Mongolian Railway will lead to an unconditional improvement in the transport situation of one of the most important international corridors. As a result of attracting investments for the development of the transport system between the Russian Federation, Mongolia and the People's Republic of China, further development of trade, tourism and improvement of this important railway hub is expected, which also provides access to other Central Asian countries, providing opportunities for expanding economic cooperation and social development in the region

ESTIMATION OF ELECTRICITY CONSUMPTION FOR WATER TRANSPORTATION IN PRESSURE PIPELINES AFTER THEIR REPAIR

The issues of using pipes made of different materials in water supply systems and the current situation with the technical condition of pressure pipeline transport are considered. It is noted that in order to ensure the standard service life of pipelines, it is necessary to carry out high-quality repair and restoration work using trenchless technologies and modern building materials, which include polymer pipes and flexible hoses. The object of research is a section of a dilapidated steel pipeline network of a certain thickness, diameter, depth and groundwater level above the tray. For the renovation of the pipeline, internal protective coatings are used, applied by dragging new pre-compressed polymer pipes and flexible polymer sleeves based on fiberglass. A description of trenchless technologies is presented, as well as automated programs that implement the tasks of determining the technological parameters (wall thickness of a polymer pipe and a polymer sleeve), hydraulic calculation of pressure losses depending on the degree of roughness of the pipeline walls, the inner diameter of a new two-layer pipe structure when passing a certain water flow, as well as the amount of electricity consumed for water transportation when appropriate wall thicknesses of protective coatings.

Aflatoxin M1 Levels in Cheeses in Türkiye: A Review

Milk and dairy products mostly contain mycotoxins such as aflatoxin M1, aflatoxin M2, ochratoxin, cyclopiazonic acid, trichothecene, zearalenone, patulin. Mycotoxins in cheese are produced by certain types of fungi. These either directly contaminate the cheese or feed, or indirectly contaminate the milk used in cheese production. Aflatoxin, causes serious impacts on human and animal health, thus costs the world economy billions of dollars. The first legal regulation regarding aflatoxin M1 in Turkiye came into force in 1990. Subsequently, various legislations were published in 1997, 2002, 2008, 2011 and 2023. In this study, 60 publications were examined that investigate the presence of aflatoxin M1 in various cheeses in Turkiye in the last 50 years (1973-2023). In the studies, aflatoxin M1 was detected in almost all cheeses, and only a few were found in rates exceeding the Turkish Legal Limits. Researchers stated different limits for aflatoxin M1 in cheese. To minimize the presence of aflatoxin M1, the following recommendations should be considered. Developing new detection methods, enacting new legal regulations, increasing the frequency of legal inspections, improving the production, transportation and storage conditions of milk and dairy products, improving feed quality, increasing awareness of the health effects of aflatoxin M1.

New Label-Free DNA Nanosensor Based on Top-Gated Metal-Ferroelectric-Metal Graphene Nanoribbon on Insulator Field-Effect Transistor: A Quantum Simulation Study.

In this paper, a new label-free DNA nanosensor based on a top-gated (TG) metal-ferroelectric-metal (MFM) graphene nanoribbon field-effect transistor (TG-MFM GNRFET) is proposed through a simulation approach. The DNA sensing principle is founded on the dielectric modulation concept. The computational method employed to evaluate the proposed nanobiosensor relies on the coupled solutions of a rigorous quantum simulation with the Landau-Khalatnikov equation, considering ballistic transport conditions. The investigation analyzes the effects of DNA molecules on nanodevice behavior, encompassing potential distribution, ferroelectric-induced gate voltage amplification, transfer characteristics, subthreshold swing, and current ratio. It has been observed that the feature of ferroelectric-induced gate voltage amplification using the integrated MFM structure can significantly enhance the biosensor's sensitivity to DNA molecules, whether in terms of threshold voltage shift or drain current variation. Additionally, we propose the current ratio as a sensing metric due to its ability to consider all DNA-induced modulations of electrical parameters, specifically the increase in on-state current and the decrease in off-state current and subthreshold swing. The obtained results indicate that the proposed negative-capacitance GNRFET-based DNA nanosensor could be considered an intriguing option for advanced point-of-care testing.

“Shrink back is not my intention”: a qualitative exploration of Chinese security guards’ experiences with bystander CPR

BackgroundOut-of-hospital cardiac arrest (OHCA) is a major public health burden worldwide. Promoting bystander cardiopulmonary resuscitation (B-CPR) is a key element in improving the survival rate of OHCA. The security guard is a specific population in China that plays a significant role as bystanders in public settings. However, less is known about their experiences regarding B-CPR intention and performance. This study aimed to explore the experiences and perspectives of Chinese security guards regarding B-CPR and identify barriers to its performance.MethodsFifteen in-depth interviews were conducted with security guards in various public settings, including hospitals, residential living areas, office buildings, and public transportation stations. All interviews were audio recorded. Two researchers independently analyzed the transcripts through deductive and inductive content analysis. Informed by the “Intention-focused” model of B-CPR performance, deductive content analysis was initially performed to identify categories that align with the theoretical framework and thereby validate the theory. Subsequently, inductive content analysis was applied to code newly discovered content, therefore enriching the theory.ResultsAn “intention & performance-focused” model of B-CPR was developed. It was revealed that security personnel were more inclined to perform CPR without hesitation when the victim was a trusted individual. However, when faced with unfamiliar individuals, they tended to shrink back due to various barriers. Specifically, four layers of barriers to CPR performance were identified, encompassing security personnel factors, victim-related factors, organizational factors, and societal factors. Participants also shared their perspectives on the desired CPR training, including trainers, training contents, training formats, and training incentives.ConclusionSecurity guards should receive comprehensive CPR training to maximize their occupational value. In addition to strengthening CPR-related training, which includes theoretical knowledge and hands-on practice, psychological coping skills for managing overwhelming emotions and understanding relevant laws are also essential training elements that cannot be overlooked. When developing relevant intervention strategies, policies, and regulations, it’s critical to consider the country’s context and the cooperation of the organization where the security guard is employed. The model developed in this study can provide a reference for designing interventions and policy to improve the B-CPR intention and performance for other specific groups.

OVERVIEW OF TRAILED VEHICLE DESIGNS FOR TRANSPORTATION OF LARGE-SIZED AND HEAVY BUILDING EQUIPMENT AND ANALYSIS OF THEIR PARAME-TERS

The relevance of the processes of processing construction waste into secondary raw ma-terials will only increase over the years due to the increasing number of outdated or destroyed buildings that are not suitable for further operation. The processing of concrete into secondary crushed stone includes such processes as separation, sorting and grinding, which are performed directly at the places of construction waste generation. For their implementation, it is necessary to deliver specialized mobile crushing and sorting plants, which belong to large-sized and heavy equipment. Special technical means for oversized and heavy loads are used to transport mobile crushing and sorting plants, as well as other specialized equipment. The most suitable means for transporting such cargoes are trailed vehicles, namely trawls. Trawlers are manu-factured in the form of trailers or semi-trailers, which differ in the number of axles, load capacity class, height and method of loading, type of suspension, etc. In the work, an overview of the existing designs of trailer vehicles for the transportation of large-sized and heavy loads was performed, and their parameters were analyzed. According to the obtained results, it was determined that within the same load capacity class, trawls differ in terms of total weight, platform length, loading height, metal capacity of the structure and other parameters. The advantages and disadvantages of various layout schemes of road trains (tractor and trailer) are determined. Knowledge of the constructions of these vehicles, their parameters and operational features allows you to make a choice in accordance with the conditions of transportation, characteristics of the cargo, the distance of transportation and routes.

Recurrent Swarms of Planktonic Shrimp Luciferidae De Haan, 1849 (Order: Decapoda) in the Neritic Waters of Tamil Nadu, Southeast Coast of India

ABSTRACTLuciferidae (Decapoda) are an important component of mesozooplankton in pelagic food webs. This study investigated the spatiotemporal distribution and frequency of Luciferidae swarms along the Tamil Nadu coast, as observed during coastal monitoring cruises conducted between 2019 and 2022. Data were collected on various hydrobiological factors, including surface water temperature, salinity, chlorophyll a, zooplankton biomass, and the abundance of other mesozooplankton (such as copepods, cladocerans, and others) across eight locations in the coastal waters of Tamil Nadu, India. Salinity values were generally low (&lt; 30 PSU) throughout the study period, except in September 2019. Microscopic analysis identified Belzebub hanseni Nobili, 1905, as the only organism responsible for swarm formation, with its occurrence peaking in January 2022. During this period, B. hanseni reached a maximum abundance of 3294 ind. m−3 for adults and 4056 ind. m−3 for larvae, together contributing approximately 27% of the total zooplankton abundance. Swarms of B. hanseni were observed a total of seven times over the course of the study, correlating with periods of low sea surface temperature and high food availability. Pearson's correlation analysis revealed a significant relationship between the abundance of copepods and B. hanseni (r = 0.84; p &lt; 0.001), suggesting that both groups may be influenced by similar environmental factors, such as physical transport, food availability, and favorable conditions. This study indicates that the frequent swarming of B. hanseni in the nearshore waters of the Tamil Nadu coast is largely driven by food availability and optimal environmental conditions, including water temperature and monsoonal influences. The findings also suggest that geographical features, such as mangrove habitats, may contribute to the occurrence of B. hanseni swarms in this region.

Structural Design and Simulation of Multi-Detector Same-Platform Laser Gyro Reflector Substrate Defect Detection Prototype.

Defect detection and classification in super-high reflector mirrors and their substrates are crucial for manufacturing laser gyroscope systems. This paper presents a prototype designed to meet the requirements for the reflection and transmission of laser gyroscope mirror substrates. The prototype featured two measurement channels (bright field and dark field) and could detect defects on patterned and unpatterned surfaces. Key components were simulated using Ansys software, (Ansys Workbench 2022 R1)which showed a maximum static deformation of 4.65 μm, a resonant frequency of at least around 230 Hz, and a maximum stress of 9.86 MPa under transportation conditions (GJB150.16A-2009). These results confirm the prototype's stability for optical performance testing and structural design. The experimental testing on laser gyroscope reflector substrates and USAF 1951 plates demonstrated that the prototype effectively detected defects on reflection and transmission surfaces, with a detection resolution that exceeded 170 nm, which met the design requirements.

Applications of Near-Infrared Spectroscopy for Nondestructive Quality Analysis of Fish and Fishery Products.

Fish has become one of the most popular aquatic products for its beneficial effects. The quality of fish and fishery products may be influenced by their geographical origin, transportation, processing, and storage conditions. The availability of rapid and reliable techniques is important for nondestructive determination of their quality. Recently, near-infrared spectroscopy (NIRS) has been widely employed in the nondestructive evaluation of fish and fishery products. However, a comprehensive review on NIRS for this topic remains to be published. Based on this demand, the applications of NIRS in the nondestructive evaluation of fish and fishery products have been discussed in this review. This review firstly introduces the fundamentals of NIRS. Then the application of NIRS for the assessment of species, geographical origin, adulteration, freshness, nutrient components, and texture is summarized. In addition, the application of near-infrared hyperspectral imaging technology in fish and fishery products is also discussed. Finally, the challenges and prospects are outlined. The current review may provide a reference for research on NIRS in this field. In the future, NIRS could be used for online assessment of quality attributes in the fish industry through the development of new instruments and chemometrics.

Assessment of Residential Accessibility to School Distribution in Oebobo Sub-district, Kupang City

Educational inequality in Indonesia is often influenced by socioeconomic differences and the distribution of educational facilities, which is the focus of the implementation of the zoning system in Oebobo sub-district, Kupang city, in accordance with Permendikbud No. 14/2018. This study aims to evaluate the level of accessibility to schools at different levels of education-Kindergarten, primary, junior secondary and senior secondary-and analyze the impact of the zoning system on this accessibility. Using mixed methods, this study combines quantitative data from questionnaires with qualitative data from field surveys to get a comprehensive picture of distance, time, cost, type of transportation and road conditions. The results show that kindergartens have the highest accessibility score (21) and fall into the very adequate category, while primary, junior and senior high schools obtain lower scores but remain in the adequate category (15-18). Road damage such as potholes and grain dislodgement had a significant effect on the accessibility score. Based on these results, it is recommended that the zoning system should still be implemented to ensure equitable distribution of students and reduce the stigma of favorite schools. In addition, it is necessary to map transportation routes, improve road conditions, and update zoning maps to meet the needs and latest developments in Oebobo Sub-district.

Implementation of the ISO 33405 requirements and production of a certified reference material for nitrofuran metabolites as incurred chicken muscle.

Certified reference materials (CRMs) contribute to the traceability of measurement results to recognized anchor points, ideally to the International System of Units (SI), and consequently, to their comparability and reliability. In the area of veterinary drugs' residues in foods of animal origin, the important role of CRMs must be highlighted, given the problems caused by trade restrictions in some countries. The results of studies concerning the certification of an incurred matrix certified reference material (IMCRM) for the mass fraction of nitrofuran metabolites in chicken muscles are presented in this work. A batch of IMCRM candidates was produced from chicken muscle samples containing the metabolites 3-amino-2-oxazolidinone (AOZ), 3-amino-5-morpholinomethyl-2-oxazolidinone (AMOZ), semicarbazide (SEM), and 1-aminohydantoin (AHD). All the statistical approaches for the homogeneity and stability assessments were based on the principles contained within ISO Guide 35 (current ISO 33405:2024). All the quantitative analyses of the nitrofuran metabolites were performed by means of high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS). The properties studied were sufficiently homogeneous and stable at -20°C for 360days (the defined storage conditions). Under transport conditions, the AOZ metabolite showed instability at 50°C. The residual moisture content was also monitored and showed instability at 20°C and 50°C. The characterization was performed via an exact matching calibration approach and the assigned values with their respective expanded uncertainties (k = 2) were 5.40 ± 1.2ngg-1, 5.49 ± 0.85ngg-1, 5.08 ± 1.2ngg-1, and 6.01 ± 0.85ngg-1 for the metabolites AOZ, AMOZ, AHD, and SEM, respectively, in the lyophilized chicken muscle. These values ranged from 1.3 to 1.5ngg-1 on a wet basis. The expiration date for the CRM was estimated based on the stated limits for future values calculated from the confidence interval of the stability study's linear regression curve.

Study on the influence of gas transmission characteristics of positive pressure beam tube system under graded pressurization

The positive pressure beam tube system addresses issues related to gas composition distortion, concentration variations, and long transmission delays observed in traditional negative pressure systems. It has increasingly become the primary system for early monitoring and warning of coal spontaneous combustion in goaf areas. Nevertheless, there remains a deficiency in comprehensive research concerning critical aspects like gas transmission characteristics and transmission lag time in the positive pressure beam tube system. This study aims to construct an experimental platform for the positive pressure beam tube monitoring system and systematically investigate how the choice of pressurization device, pipe length, pipe diameter, and driving pressure in the transmission pipeline affect gas transmission characteristics. The findings indicate that the most effective pressurization occurs under conditions of two-stage high positive pressure transport, with a driving gas pressure of 0.65 MPa. The optimal diameter for positive pressure gas transmission is 7 mm. Long-distance negative pressure pipelines result in decreased transmission efficiency, necessitating increased output pressure with the lengthening of positive pressure pipelines to maintain efficiency.

Magnetohydrodynamic Enhancement of Biofuel Cell Performance.

Biofuel cells have become an interesting alternative for the design of sustainable energy conversion systems with multiple applications ranging from biosensing and bioelectronics to autonomously moving devices. However, as an electrochemical system, their performance is intimately related to mass transport conditions. In this work, the magnetohydrodynamic (MHD) effect is studied as an easy and straightforward alternative to enhance the performance of a biofuel cell based on the enzymes glucose oxidase (GOx) and bilirubin oxidase (BOD). The synergetic effect between the electric and ionic currents, produced by the enzymatic redox reactions, and a magnetic field orthogonal to the surface of the electrodes, leads to the formation of localized magnetohydrodynamic vortexes. Such an integrated convective regime generates an increase of the bioelectrocatalytic current and its concomitant power output in the presence of the external magnetic field. In addition, by fine-tuning the spatial arrangement of the anode and cathode, it is possible to benefit from the sum of anodic and cathodic MHD vortexes, leading to an enhanced power output of up to 300 %.