49 results about "Potentiostat" patented technology

Techniques for determining microbiological corrosion include flowing a mixed-phase wellbore fluid from at least one tank into a volume of a reactor tank of a microbiological corrosion reactor; controlling a multi-channel potentiostat coupled to a three-electrode cell assembly positioned in the volume, the three-electrode cell assembly including a working electrode, a counter electrode, and a reference electrode, where each of the working electrode, the counter electrode, and the reference electrode is positioned in the volume to contact the mixed-phase wellbore fluid; based on controlling the multi-channel potentiostat, activating the working electrode in the mixed-phase wellbore fluid in the volume; and determining, based on activating the working electrode, a corrosion rate of at least one of the working electrode or a target coupon positioned within the mixed-phase wellbore fluid in the volume.

The present disclosure presents glucose sensing methods and systems. One such system comprises an electrospun-nanofibrous-membrane (ENFM)-based amperometric glucose sensor integrated on a silicon chip, in which the glucose sensor has a working electrode, a reference electrode, and a counter electrode, wherein the working electrode comprises an ENFM-based sensing electrode. The system further comprises a potentiostat circuit integrated on the silicon chip such that the potentiostat circuit comprises a voltage control unit to control a voltage difference between the working electrode and the reference electrode and a transimpedance amplifier to measure a current flow between the working electrode and the counter electrode, in which a strength of the current flow corresponds to an amount of glucose present in a sample of blood on the glucose sensor.

An electrochemical method for detecting, identifying, and quantifying ions and nutrients dissolved in water through voltammetry, and equipment to carry out the method, including: a preparation / placement stage of a sensor, with a reference electrode, working electrode, and counter electrode, in a potentiostat; a stage for contacting a sample or analysis solution containing the analyte with the sensor; a stage for applying, controlled via software from a computer system, electrical stimulation to the sample through Cyclic Voltammetry, Normal Pulse Voltammetry, Differential Pulse Voltammetry, or Square Wave Voltammetry, with a step potential and pulse amplitude range between −3,000 mV and 3,000 mV; and a stage for characterizing one or more analytes based on at least one measurement of the signals resulting from the oxidation-reduction of the analyte(s).

The invention belongs to the technical field of water environment detection, and particularly relates to a portable detection device and method for the total discharge amount of water pollutants. The portable detection device at least comprises a three-electrode sensor module, a potentiostat module, an analog-to-digital conversion module, a microcontroller, a peripheral circuit of the microcontroller, a Bluetooth module and a power module, and the three-electrode sensor module comprises a working electrode coated with a tungsten oxide film, a reference electrode and a counter electrode; the constant potential rectifier comprises at least two electrode channels, is connected with the microcontroller and the analog-to-digital conversion module and is used for controlling voltage to detect hydrology and water quality parameters; and the Bluetooth module is used for being paired with intelligent equipment to transmit data. The portable water environment detection device and the hydrology and water quality synchronous detection method can be provided, the problem that scattered and small drain outlets cannot be detected is effectively solved, and the detection device is provided for real-time online evaluation of the total discharge amount of water pollutants.

This invention relates to a temperature-controlled stress electrochemical metal hydrogen permeation testing device and method. The testing device includes a hydrogen permeation electrolytic cell, a hydrogen efflux electrolytic cell, a first temperature control mechanism, a second temperature control mechanism, a tensile testing machine, a potentiostat, an auxiliary electrode, a reference electrode, and a working electrode. The hydrogen permeation electrolytic cell is equipped with a first temperature control mechanism for controlling the temperature of the hydrogen permeation electrolytic cell, and the hydrogen efflux electrolytic cell is equipped with a second temperature control mechanism for controlling the temperature of the hydrogen efflux electrolytic cell. The sidewalls of the hydrogen permeation electrolytic cell and the hydrogen efflux electrolytic cell are respectively provided with a first connecting pipe and a second connecting pipe. Both the hydrogen permeation electrolytic cell and the hydrogen efflux electrolytic cell are equipped with an auxiliary electrode and a reference electrode. The two ends of the working electrode are respectively connected to the tensile testing machine. The working electrode, the reference electrode, and the auxiliary electrode are respectively connected to the potentiostat. A sample is welded onto the working electrode. The hydrogen-filled surface and the hydrogen-effluxed surface of the sample are sealed to the first connecting pipe and the second connecting pipe through sealing gaskets.

The invention provides a detachable screw protection device for a screw hoist. The detachable screw protection device comprises a small potentiostat and a protection assembly, the protection assembly is arranged at the top of the screw hoist and comprises a protection cover, a fixed anode and a cathode electric brush, the fixed anode and the cathode electric brush are both arranged outside a screw and matched with each other to form cathode protection on the screw, the fixed anode is connected with an anode of the small potentiostat through a cable, and the cathode electric brush is connected with the cathode of the small potentiostat through a cable. And the cathode brush is connected with the cathode of the small-sized potentiostat. By arranging the insulating sleeve, the protective cover, the cathode electric brush, the fixed anode, the small-sized potentiostat and other components, the protective cover can simply protect the screw rod, and meanwhile, the cathode electric brush, the fixed anode and the small-sized potentiostat are matched with one another to form cathode protection current to protect the screw rod.

Provided are systems, cartridges, devices and methods for detecting a target analyte in a test sample. The system employs a multitude of magnetic sources for moving magnetic beads in a sequential movement through various portions of e.g. a cartridge or strip, such as from one or more hybridization portions, through one or more washing portions, and to a redox portion. The system employs an electrode set and a potentiostat for performing amperometry to obtain an electrochemical measurement based on conversion of a redox active molecule. Also provided are methods for detecting a target analyte using the systems, and cartridges and strips for use in the system or a device of the system.

A gathering pipeline internal corrosion control system and a control method. The gathering pipeline internal corrosion control system comprises: a pipeline network main body, including a gathering trunk line and a station internal collecting pipe with an anticorrosion insulation layer on the inner surface, the output end of the gathering trunk line is in electrical communication with the station internal collecting pipe, the station internal collecting pipe is provided with an electrical connection area, the pipeline network main body is electrically connected with the medium transported in the station internal collecting pipe through the electrical connection area; an auxiliary anode is arranged inside the gathering trunk line; a reference electrode is arranged inside the station internal collecting pipe; a connecting piece is arranged at the end of the pipeline network main body and is arranged to electrically isolate the pipeline network main body and the butt joint pipeline; and a constant potential instrument has an anode connection part, a cathode connection part, a zero connection part and a reference connection part, the anode connection part is electrically connected with the auxiliary anode, the cathode connection part and the zero connection part are both electrically connected with the pipeline network main body, and the reference connection part is electrically connected with the reference electrode. The gathering pipeline internal corrosion control system can solve the problem of accelerated corrosion perforation of the pipeline network main body caused by the failure of the internal coating / inner plating layer.

The application discloses an air bacterial electrostatic collection and real-time monitoring system and method integrated with a microfluidic portable sensor, and belongs to the technical field of environmental monitoring, and comprises an aerosol sampling module, a microfluidic processing module, an electrochemical sensing module and a portable constant potential instrument module. Bacteria aerosols in the ambient air are charged by corona discharge to realize efficient enrichment and collection; the enriched liquid sample is sent into the microfluidic processing module and flows through a sensing electrode modified with CuFeCoPBA@MoS2 nano composite material, polydopamine and concanavalin A. Target bacteria are combined with the concanavalin A on the surface of the electrode in a broad-spectrum specific manner, the interface electron transfer is hindered, the portable constant potential instrument collects the attenuation change of differential pulse voltammetry electrochemical signals, and rapid quantitative detection of the concentration of air bacteria is completed. The application integrates efficient air aerosol collection and portable biosensing, and can realize one-step on-site capture and detection of air pathogens.

The present application relates to monitoring and monitoring methods for chromium-free anodization sealing processes. A method for in-situ monitoring and optimization of a sealing process, the method comprising: sealing a surface of an anodized substrate, providing a test anodized substrate corresponding to the anodized substrate into the same sealing process as the anodized substrate, measuring an electrochemical surface potential of the test anodized substrate representative of a surface of the anodized component, collecting the electrochemical surface potential measurement data, analyzing the electrochemical surface potential measurement data, and identifying one or more performance indicators related to sealing quality and process parameters. The method can comprise: using information obtained from analyzing the electrochemical surface potential measurement data to optimize the sealing process, measuring the electrochemical surface potential using a potentiostat and a reference electrode, and measuring the electrochemical surface potential of the test anodized substrate representative of a surface of the anodized component.

The utility model relates to the technical field of anti-corrosion monitoring, in particular to wind turbine generator anti-corrosion monitoring equipment, which comprises a constant potential rectifier, the constant potential rectifier is mounted in a protection box, a moisture-proof plate is mounted on the rear side of the protection box, and a buffer frame is mounted at the lower end of the protection box; the auxiliary anode is fixedly mounted in the protective shell, and a reference electrode is arranged beside the auxiliary anode; the device has the beneficial effects that the auxiliary anode is mounted near the protected metal, and meanwhile, the reference electrode is mounted near the protected metal, so that the potential change of the protected metal is monitored and fed back in real time, the adjustment is carried out, and the constant potential rectifier is placed at a proper position through a special lifting appliance when equipment is mounted. And a buffer frame is installed at the lower end of the potentiostat and can buffer the acting force generated when the potentiostat is lowered, and a moisture-proof plate located behind the protection box can effectively isolate external moisture from entering, so that the problem that equipment parts are damaged due to the fact that equipment is located in a humid environment for a long time is solved.

The utility model discloses a kind of simulation reference device and intelligent constant potential instrument simulation test system, the simulation reference device includes adjustable potentiometer, anode binding post, cathode binding post and reference binding post set on pedestal, anode binding post is connected with the input end of adjustable potentiometer, cathode binding post is connected with the ground end of adjustable potentiometer, reference binding post is connected with the adjustable end of adjustable potentiometer.In the intelligent constant potential instrument simulation test system, load, ammeter and intelligent constant potential instrument are accessed by multiple wires, the simulation reference device uses Ohm's law voltage division principle voltage division simulation reference electrode, and based on the reverse correlation characteristics of adjustable potentiometer resistance value and output potential (the more negative corresponding current is greater for potential), realize the dynamic simulation test of current output adjustment caused by the electrochemical reaction process change of external reference in cathodic protection system of intelligent constant potential instrument, compare by with ammeter current value, determine whether the tested intelligent constant potential instrument is qualified.

Aspects of the present disclosure provide techniques for measuring an ion concentration level of a user of a wearable device. An example method performed by the wearable device includes applying, using a potentiostat of the wearable device, a bias voltage to an ion selective electrode (ISE) of a transcutaneous ion sensor of the wearable device, measuring a current associated with the ISE of the transcutaneous ion sensor, adjusting the bias voltage based on the measured current associated with the ISE until the measured current is within a threshold range, determining, based at least in part on the measured current, the ion concentration level of the user, and transmitting an indication of the ion concentration level of the user to a display device for display to the user.

The application discloses a system for producing acid based on carbon dioxide electro-reduction by combining MXene material and bio-electrochemical enhancement, and has the characteristics that the system comprises an anode chamber, a cathode chamber, a proton exchange membrane and a constant potential instrument; the anode chamber and the cathode chamber are connected in isolation through the proton exchange membrane, and the constant potential instrument is connected with the lead wire penetrating through the anode lead wire port arranged on the anode chamber, the lead wire penetrating through the cathode lead wire port arranged on the cathode chamber and the reference electrode arranged in the cathode chamber; and the MXene material is added into the cathode chamber. The application also discloses a method for producing acid by microorganism carbon dioxide electro-reduction by using the system, and has wide application prospect.

The utility model relates to the technical field of wind power generation, in particular to a splash zone single pile anti-corrosion structure which comprises a single pile body, an anti-corrosion device is arranged on a splash zone of the single pile body, and the anti-corrosion device comprises an impressed current anti-corrosion device and a composite coating anti-corrosion device. The impressed current anti-corrosion device comprises a platform arranged on the upper portion of a single pile body, a constant potential rectifier placed on the platform, a current sensor and an auxiliary anode arranged on a splash zone, a reference electrode arranged at the bottom of the single pile body, and the constant potential rectifier, the current sensor and the auxiliary anode are connected in series through a cable. The composite coating anti-corrosion device comprises a composite anti-corrosion paste layer arranged outside the splash zone of the single pile body, an anti-corrosion buffer strip layer arranged outside the composite anti-corrosion paste layer, a waterproof ring layer arranged outside the anti-corrosion buffer strip layer, and a winding adhesive tape layer arranged outside the waterproof ring layer.

The invention relates to a stray current interference self-adaptive regulation and control method and system of a cathode protection system, and belongs to the technical field of electrochemical corrosion protection. The method comprises the following steps: monitoring stray current interference along a protected metal structure and calibrating monitoring points in a range; identifying the interference type as steady-state direct-current, dynamic direct-current or alternating-current interference; and respectively executing matched adjustment strategies for different interference types, and dynamically adjusting the preset potential of the drainage potentiostat on the basis of potential deviation, corrosion risk level or alternating current density and the like. According to the method, intelligent recognition, classified response and accurate regulation and control of complex stray current interference are achieved, under-protection or over-protection is effectively avoided, and the safety, adaptability and coordination of a cathode protection system are improved.

The invention discloses an auxiliary anode state monitoring device based on carrier communication, relates to the field of impressed current cathodic protection, is applied to auxiliary anode state monitoring of an impressed current cathodic protection system, and solves the problem of remote monitoring of the auxiliary anode state of the impressed current cathodic protection system. Comprising a central control module and a terminal monitor, the installation position of the terminal monitor is close to an auxiliary anode, the central control module is installed in a potentiostat, and the terminal monitor and the central control module are both provided with carrier communication modules. Communication between the terminal monitor and the central control module is achieved in a carrier wave mode through a cathode line and an anode line of the impressed current cathode protection system. According to the implementation of the method, an operator can know the real-time state of the remote auxiliary anode through the constant potential rectifier, and misjudgment, caused by data distortion, of the operation state of the external current cathodic protection system is avoided.

The technology is based on a conducting, ferromagnetic ink made from, in an aqueous suspension: conducting nanopolymers, ferromagnetic nanoparticles, an adhesion promoter and optionally, a surfactant and / or stabilizer. The ink is used to form reversible physical and electrical connections between e.g., rigid and flexible devices. In some aspects, the conducting nanopolymers are PEDOT:PSS (poly(3,4-ethylenedioxythiophene) polystyrene sulfonate) nanopolymers and the magnetic nanoparticles are iron oxide nanoparticles. The ink, which may be magnetic, is used to form solid, flexible, ferromagnetic conducting designs or nodes which may also be magnetic. The flexible, ferromagnetic conducting designs or nodes are used to form reversible magnetic electrical connections with devices such as potentiostats and data telemetry devices.

The invention provides a two-channel electrochemical detection pen and application thereof in synchronous detection of traditional Chinese medicine active ingredients and biomarkers, and belongs to the technical field of biological detection. By means of the innovative modular pen-shaped design, the double working electrodes, the miniature potentiostat and the display unit are highly integrated successfully, synchronous or rapid switching detection of active ingredients of Chinese herbal medicine and human body biomarkers is achieved, and the efficiency of on-site rapid analysis is greatly improved. The device is simple, convenient and intuitive to operate, quick in detection process and intuitive in result display, the technical requirements and environmental dependence on operators are remarkably reduced, and the space-time limitation of traditional laboratory detection is broken through. Due to the excellent performance and portability, the detection pen can be widely applied to multiple scenes from traditional Chinese medicine planting, medicine production quality control to family health monitoring and the like, an effective technical tool is provided for constructing a distributed and instant quality and health monitoring system, and the detection pen has important practical value and wide market prospects.

There is provided a potentiostat (1) for sensing a presence of an analyte in a fluid sample. The potentiostat (1) has a sensor receiving region for receiving a sensor (10) which comprises a plurality of independent sensing channels each having a working electrode (WE) and a reference electrode (RE) spaced from the working electrode. The potentiostat (1) has an analog circuit provided on a first island of a printed circuit board, the analog circuit comprising: a plurality of independent analog channels, a first power supply (8) to provide voltage to the counter electrode (CE) to perform the voltametric scan; and an analog to digital converter (ADC) configured for respectively converting the plurality of voltametric signals into a plurality of digital signals. The potentiostat (1) has a digital circuit provided on a second island of the printed circuit board separate from the first island, to determine the presence of the analyte based on the digital signals as received.

This invention discloses a stray current corrosion simulation and protection experimental device and method, belonging to the field of stray current corrosion protection technology for rail transit. The device includes a simulated buried pipeline unit, a simulated stray current unit, a soil corrosivity index control unit, a protection unit, and a data acquisition unit. The simulated buried pipeline unit includes a pipeline under test with insulation layer damage points. The simulated stray current unit forms a stray current leakage channel through a ring rail, a ring contact network, a simulated train, and a conductive rod inserted into the soil. The soil corrosivity index control unit can adjust soil temperature and ion concentration. The protection unit uses a potentiostat and control circuit to achieve forward and reverse current output. The data acquisition unit collects potential data at the pipeline damage points through a reference electrode. This invention can realistically reproduce complex corrosive environments, supports cathodic protection performance verification under various operating conditions, and provides an efficient experimental platform for research on stray current corrosion mechanisms and protection technologies.

The invention discloses a pipeline multi-point regulation and control method, device and equipment under extra-high voltage direct current interference, and relates to the field of pipeline corrosion and protection. Inputting the state parameters into a pre-constructed first function mapping relation, and outputting potential distribution of the pipeline without the potentiostat; based on the potential distribution, determining a plurality of key control points for installing the potentiostat by taking a potential zero point as a reference; determining a regulation and control coefficient of the potentiostat installed at each key control point; randomly selecting the output current of the potentiostat by adopting a particle swarm algorithm, calculating the potential of each key control point according to a random selection result and the regulation and control coefficient, calculating the potential variance along the pipeline according to the potential of each key control point, and when the potential variance along the pipeline is minimum and meets a potential constraint condition, determining that the pipeline is the pipeline. The optimal output current of the constant potential rectifier is obtained; and regulating and controlling the output of the constant potential rectifier based on the optimal output current.

The invention discloses a method and a device for testing the fracture toughness of a material under the environmental action, relates to the technical field of hydrogen embrittlement and hydrogen induced cracking risk assessment of pipes, and aims to solve the technical problems that in the implementation of a current pipeline fracture toughness test, the test method is incomplete, and the accuracy of a measurement result is relatively poor. The method comprises the following steps: manufacturing a sample, wherein the sample is provided with a prefabricated fatigue crack; placing the sample in a test box, and enabling the sample to be in contact with the environmental solution; electrically connecting the anode of a constant potential rectifier with the environmental solution, and electrically connecting the cathode of the constant potential rectifier with the sample; and after the sample is in contact with the environmental solution for a preset time, drawing the sample on the two sides of the fatigue crack in the second direction through the stretcher. According to the method provided by the invention, the fracture toughness test of the oil and gas pipeline in soil, cathode protection and interference environments is realized, so that the test environment fits an actual application scene, the accuracy of a measurement result is improved, and an important technical support is provided for safety evaluation of an oil and gas pipeline material.

The invention discloses a photoelectrocatalysis COD (Chemical Oxygen Demand) water quality on-line monitoring system and a detection method, and belongs to the technical field of water quality analysis. Aiming at the pain points that a traditional potassium dichromate method needs a strong acid high-temperature toxic reagent, the detection time is long, the maintenance cost is high, a UV method is poor in interference resistance, and an existing photoelectrocatalysis method is unstable in light source, insufficient in automation and the like, the system adopts a composite photoelectrode and an integrated thin-layer electrolytic tank integrating three electrodes and is matched with a UV-LED light source; a miniature shading shutter is introduced to eliminate the influence of unstable current at the moment when a light source is turned on; meanwhile, a miniature constant potential rectifier (for controlling the potential of a working electrode and collecting light current), a multi-way valve, a two-position three-way valve, a peristaltic pump, a water sample-electrolyte mixer and a bubble sensor (for preventing bubble interference and realizing metering liquid inlet) are integrated, so that a miniaturized and full-automatic integrated structure is formed. The detection method sequentially comprises the following steps of: rinsing the system, stabilizing a light source, uniformly mixing a water sample and electrolyte, pumping into a thin-layer pool, opening a shutter to carry out photoelectrocatalysis detection (applying bias voltage by a constant potential rectifier and recording photocurrent), calculating a COD value by combining photocurrent integration with a calibration curve, and carrying out waste discharge reset. Meanwhile, a standard liquid calibration process and a quality inspection process are matched. The device is researched and developed on the basis of the photoelectrochemical degradation principle, does not need strong acid, high temperature and toxic chemical reagents, is short in detection time, low in detection lower limit, high in anti-interference capability and low in maintenance cost, and can realize high-precision monitoring of water quality COD.

The utility model relates to the field of chemical electrodeposition, in particular to a pulse chemical electrodeposition device for blocky nanostructure precious metal, which comprises a pulse signal generator, a constant potential rectifier, an electrolytic bath with an upper opening and a heating component, the electrolytic bath is arranged in the heating component, and the pulse signal generator is connected with the constant potential rectifier. The constant potential rectifier is in conductive connection with the counter electrode, the working electrode and the reference electrode, the motor is arranged, an output shaft of the motor is vertically arranged, and the output shaft of the motor can drive the rotating disc part to rotate, so that the rotating disc part, the electro-deposition substrate part and the insulating connecting sleeve part rotate together in the horizontal direction, and electrolyte in the electrolytic bath is stirred. Due to the fact that the electro-deposition substrate part rotates in the electrolyte at a constant speed to conduct pulse chemical electro-deposition, the defects of bubbles, pinholes and the like of materials can be effectively reduced, the phenomena of internal stress, uneven components and the like are greatly eliminated, and the electro-deposition quality of the blocky nano-structure precious metal is remarkably improved.

Techniques for determining microbiological corrosion include flowing a mixed-phase wellbore fluid from at least one tank into a volume of a reactor tank of a microbiological corrosion reactor; controlling a multi-channel potentiostat coupled to a three-electrode cell assembly positioned in the volume, the three-electrode cell assembly including a working electrode, a counter electrode, and a reference electrode, where each of the working electrode, the counter electrode, and the reference electrode is positioned in the volume to contact the mixed-phase wellbore fluid; based on controlling the multi-channel potentiostat, activating the working electrode in the mixed-phase wellbore fluid in the volume; and determining, based on activating the working electrode, a corrosion rate of at least one of the working electrode or a target coupon positioned within the mixed-phase wellbore fluid in the volume.

The utility model discloses an intelligent anti-interference potentiostat which comprises a base, two sliding grooves are machined in the surface of the base, the inner walls of the two sliding grooves are fixedly connected with one ends of two springs respectively, the upper ends of two abutting blocks are fixedly connected with two grips respectively, and the upper ends of the two abutting blocks are fixedly connected with the two grips respectively. The outer walls of the two abutting blocks are fixedly connected with the two protruding blocks respectively, the upper ends of the two rotating discs are fixedly connected with the two wire arranging devices respectively, and the outer walls of the two rotating discs are rotationally connected with the base. Through the arrangement of the base, the sliding groove, the spring, the abutting block, the grip, the protruding block, the rotating disc and the wire arranging device, when the abutting block does not abut against the rotating disc, an operator rotates the rotating disc, the rotating disc drives a signal line above to rotate, the signal line is prevented from being parallel to a power line, then the grip is loosened, the spring is reset to drive the abutting block to abut against the rotating disc, and the power line is arranged. Therefore, the problem of electromagnetic coupling interference is avoided, and the working effect of the potentiostat is improved.

The main object of this disclosure is to enable real-time impedimetric detection which provides greater sensitivity to scale formation in stainless steel tubes, as minimal changes on the capillary surface are detected in the form of an increase in the overall impedance of the system for systems in flow with real-time detection. Thus, the apparatus of the present disclosure includes at least one potentiostat, at least one working electrode (WE), at least one reference electrode (RE) and at least one counter electrode (CE), and at least one tube with an opening adapted to pass a fluid flow and at least two polymeric connectors at the ends, in which the working electrode is connected to the inlet of said tube.

The present application relates to a kind of intelligent monitoring and strong discharge method and system of gas pipeline stray current, solve the technical problem that cannot effectively dynamic control direct current stray current.System includes: stray current monitoring device, for in the stray current environment of buried pipeline cathodic protection state, the voltage, current data of test piece are monitored simultaneously and packaged as monitoring data;Remote forced drainage equipment, for receiving driving data adjustment output parameter by distributed data link, and feedback operating condition;Strong discharge intelligent control platform, for receiving monitoring data by distributed data link, according to the monitoring data of single stray current monitoring device into the expected driving data of potentiostat by preset feedback correlation model, according to the monitoring data of stray current monitoring device distributed in interference area into the expected driving data of potentiostat by preset linkage response model.Constitute multiple-point, multiple-parameter, synchronous automatic monitoring and intelligent control for pipeline provide technical and equipment support.

In accordance with the present disclosure, a method for autonomous biological sensing and actuation, includes: placing a printed circuit board (PCB) unit comprising a power controller board, microcontroller board, potentiostat board, and a power source, inside a watertight housing; connecting an electrode sensor to the potentiostat board and securing the electrode sensor to the watertight housing, the electrode sensor comprising a working electrode configured to be exposed to an external environment; sealing the watertight housing to enclose the PCB unit and power source while maintaining exposure of the working electrode to the external environment; immersing the sealed watertight housing into a thiolated hydrogel solution; applying an oxidative potential to the working electrode to initiate electrodeposition of a hydrogel matrix onto the working electrode surface; analyzing electrochemical data acquired from the electrode sensor through autonomous firmware; and applying an actuation signal to the working electrode based on the analyzed electrochemical data.