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VA - Amplifiers for Voltametry / Amperometry

VA-10 Voltammetric Amplifiers

The VA-10 voltammetric amplifier is a low-noise high bandwidth potentiostat with pA resolution. It can be used for a wide range of applications such as neurotransmitter detection (e.g. dopamine, glutamate), bio-sensors, carbon fiber electrodes, fast-scan cyclic voltammetry with up to 1000 V/s (FSCV), scanning electrochemical microscopy (SECM), scanning electrochemical cell microscopy (SECCM), scanning ion conductance microscopy (SICM), lipid bilayer recordings. The bandwidth can be boosted to several 10kHz with the special frequency booster circuit. There are miniaturised headstages available for in-vivo voltammetry. Read more…

Your benefits:

  • Low-noise potentiostat, works in pA range
  • Ideal for work on single cells
  • Bandwidth >10 kHz with optional frequency booster
  • Wide application range: Carbon fiber electrodes, Neurotransmitter detection (e.g. dopamine, glutamate), Lipid bilayer recordings, SICM, FSCV, SECM, SECCM

Frequently asked questions (FAQ):

What recordings techniques can be perfomed?

  • Neurotransmitter detection (e.g. dopamine, glutamate),
  • Bio-sensors
  • Carbon fiber electrodes
  • Fast-scan cyclic voltammetry (FSCV)
  • Scanning electrochemical microscopy (SECM)
  • Scanning electrochemical cell microscopy (SECCM)
  • Scanning Ion Conductance Microscopy (SICM)
  • lipid bilayer recordings

What is the detection threshold of the VA-10 amplifier

The VA-10 voltametry amplifier can be ordered with different headstage resistances, the detection threshold depends largely< on this feedback resistor and the used electrodes. The device can work in sub-pA range, if all conditions are met.

What electrode configuration offers the VA-10 voltametric amplifier

The headstage can be ordered as a two electrode or three electrode configuration with ground, working electrode and counter electrode.

What is the electrode potential range of the VA-10 voltametric amplifier

The working electrode potential range can be chosen upon ordering, standard is ±1V

What is the frequency booster function of the VA-10 voltametric amplifier

The frequency booster enhances the recording bandwidth to several 10 kHz by special tuning of the device.