Instruments for use in electrode process research

Greef, R.

doi:10.1088/0022-3735/11/1/001

Cited by 24 publications

(7 citation statements)

References 35 publications

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“…It has several advantages such as simplicity and very sensitive to small current when using high resistor value on the feedback [16,17]. In the other hand, it also has disadvantages; it produces some noises caused by the EMI at the WE due to its virtual Ground (GND) connection, the circuit only work with bipolar power supply [18], and op-amp bias current may influence the measurement result. In this experiment we eliminated these problems by using a low bias current op-amp, adding Butterworth filter to reduce the noises, and implementing the voltage reference at the trans-impedance circuit to bring the output above the ground potential.…”

Section: Literature Review a Amperometric Electro-chemical Biosementioning

confidence: 99%

An Arduino Uno Based Biosensor for Water Pollution Monitoring Using Immobilised Algae Chlorella Vulgaris

Umar

Setiadi

Hamzah

et al. 2017

International Journal on Smart Sensing and Intelligent Systems

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This paper presents a simple biosensor for observing the dissolved oxygen (DO) production in water. The measuring process is implemented using the biochips G connected with a biosensor module and electronic circuit to detect the changes of dissolved oxygen in real time measurement. Initial test was completed to observe the biochip response to the different oxygenated water solution. A light and dark experiment with ON/OFF phase of 20 minutes illumination period was realized to stimulate the green algae Chlorella vulgaris photosynthesis process to DO rate. The results show Biochip G using algae Chlorella vulgaris response to environmental changing conditions in the form of relationship between output voltage and DO rate the solution.

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Section: Literature Review a Amperometric Electro-chemical Biosementioning

confidence: 99%

An Arduino Uno Based Biosensor for Water Pollution Monitoring Using Immobilised Algae Chlorella Vulgaris

Umar

Setiadi

Hamzah

et al. 2017

International Journal on Smart Sensing and Intelligent Systems

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“…Measurement Based on PSoC Strahinja P. Janković, Student Member, IEEE, Vujo R. Drndarević, Member, IEEE system is increased and calibration is required. Another possibility is to use the potentiostat technique [13], [14]. For providing a constant voltage supply for the device under test (DUT), operational amplifier with negative feedback is used.…”

Section: Microcontroller Power Consumptionmentioning

confidence: 99%

Microcontroller power consumption measurement based on PSoC

Jankovic

Drndarevic

2015

2015 23rd Telecommunications Forum Telfor (TELFOR)

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Microcontrollers are often used as central processing elements in embedded systems. Because of different sleep and performance modes that microcontrollers support, their power consumption may have a high dynamic range, over 100 dB. In this paper, a data acquisition (DAQ) system for measuring and analyzing the power consumption of microcontrollers is presented. DAQ system consists of a current measurement circuit using potentiostat technique, a DAQ device based on system on chip PSoC 5LP and Python PC program for the analysis, storage and visualization of measured data. Both Successive Approximation Register (SAR) and Delta-Sigma (DS) ADCs contained in the PSoC 5LP are used for measuring voltage drop across the shunt resistor. SAR ADC samples data at a 10 times higher rate than DS ADC, so the input range of DS ADC can be adjusted based on data measured by SAR ADC, thus enabling the extension of current measuring range by 28%. Implemented DAQ device is connected with a computer through a USB port and tested with developed Python PC program.

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“…An op-amp capable of handling capacitive loads drives the CE, while a high-impedance precision op-amp in buffer configuration senses the voltage at the RE, closing the feedback loop via adder circuit. Because the electrochemical cell is part of the feedback loop of the drive op-amp, oscillations may occur in some experimental setups despite the op-amp's internal compensation for capacitive loads [24, 25]. The nonlinear nature of electrochemical cells requires additional flexible compensation to stabilize the potentiostat circuit over a wide range of experimental conditions and to minimize the necessity of external components to tame oscillatory behavior.…”

Section: Instrumentsmentioning

confidence: 99%

Multichamber multipotentiostat system for cellular microphysiometry

Lima

Snider

Reiserer

et al. 2014

Sensors and Actuators B: Chemical

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Multianalyte microphysiometry is a powerful technique for studying cellular metabolic flux in real time. Monitoring several analytes concurrently in a number of individual chambers, however, requires specific instrumentation that is not available commercially in a single, compact, benchtop form at an affordable cost. We developed a multipotentiostat system capable of performing simultaneous amperometric and potentiometric measurements in up to eight individual chambers. The modular design and custom LabVIEW™ control software provide flexibility and allow for expansion and modification to suit different experimental conditions. Superior accuracy is achieved when operating the instrument in a standalone configuration; however, measurements performed in conjunction with a previously developed multianalyte microphysiometer have shown low levels of crosstalk as well. Calibrations and experiments with primary and immortalized cell cultures demonstrate the performance of the instrument and its capabilities.

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Instruments for use in electrode process research

Cited by 24 publications

References 35 publications

An Arduino Uno Based Biosensor for Water Pollution Monitoring Using Immobilised Algae Chlorella Vulgaris

An Arduino Uno Based Biosensor for Water Pollution Monitoring Using Immobilised Algae Chlorella Vulgaris

Microcontroller power consumption measurement based on PSoC

Multichamber multipotentiostat system for cellular microphysiometry

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