White Matter NanoZ Manuel d'utilisateur

nanoZ™ User Manual !

nanoZ User Manual 6 because it uses very small test signals for measuring impedance. To ensure accurate results, periodically check the sig

7 *#*'1!4'(+5#6&!8@&6@:&5!There are two options for interfacing with the nanoZ: a Windows-based nanoZ application, a

nanoZ User Manual 8 measured (input) waveform in cyan. Use the arrow icons to the right of the DMM to change the horizontal (time) and vertical (ampli

9 mode (only), left clicking on an adaptor pin will switch the nanoZ to the channel that corresponds to that pin. Channels that have no connectio

nanoZ User Manual 10 U&9'6+!5:*='5!When using any of the automated modes of operation, the nanoZ stores impedance and electro

11 If the Condition checkbox is checked then shorted site impedance values are highlighted in red on the spreadsheet and Probe layout window. Ope

nanoZ User Manual 12 89&6#+:*;!<'=&,!The nanoZ application has five separate modes of operation for performing a variety of

13 (electrode positive) in ~100nA steps by moving the position of the slider with the mouse or arrow keys. The voltage across the electrode site will

nanoZ User Manual 14 channels. Increase the pause setting if the ʻtest signal clippedʼ warning is reported or some channels are not measure

15 (B) Set the desired DC plating current. The current can be adjusted from -12uA (electrode negative) to +12uA (electrode positive) in ~100nA steps

Disclaimer Information in this document is subject to change without notice. No part of this document may be reproduced or transmitted without the e

nanoZ User Manual 16 V/9&=#*.&!, 9& . + 6' , . ' 9 Q!/'=&!This mode cycles through all (or a subset) of electrodes on t

17 impedance spectroscopy results in the Probe report can be saved by clicking the icon or selecting File | Save report from the main menu. C.+:@#+:

nanoZ User Manual 18 may be necessary for some plating procedures where the test signal can take several seconds to settle to baseline due

19 <#+%#$!4'(+5#6&!?& @ & %' 9 / & * +!A :+!The nanoZ Matlab SDK allows users to program customized nanoZ applications t

nanoZ User Manual 20 getplatingcaps Returns information about the electroplating capabilities preparewaveform Prepares a waveform for use during elect

21 TN*.+:'*!=&,.6:9+:'*,! getversion Returns the version of the nanoz MEX file. Usage: [major_version, minor_version] = nanoz(‘getversi

nanoZ User Manual 22 to avoid buffer overrun errors. Making it too large, however, will make the nanoZ less responsive in impedance mode, and limit co

23 selectchannel Selects a channel to perform impedance measurement or electroplating on. Usage: nanoz(‘selectchannel’, handle, channel); Arguments:

nanoZ User Manual 24 Usage: nanoz('startimpmetering’, handle, nsam_measure, numdsps); Arguments: handle – handle to an opened device returned

25 occasionally it has one element – the impedance reading that was most recently acquired. Failure to call this function at regular intervals may re

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nanoZ User Manual 26 generator sample rate. Using the maximum 1024x interpolation factor (8x linear + 128x hold), frequencies down to 0.645Hz can be g

27 waveform – user-supplied waveform to be generated during electroplating. Units are amperes. Return values: raw_waveform – device-specific, raw wav

nanoZ User Manual 28 number of samples returned by the getplatingdata function and stop plating when the prescribed number of samples has been acquire

29 Remarks: This function stops any impedance measurement or electroplating process. The measurement circuit remains connected to the

nanoZ User Manual 30 C99&*=:D!CE!!F6:*.:9%&!'(!8 9 & 6# +:' *!For measuring impedance, the nanoZ utilizes a voltage divider circ

31 C99&*=:D!IE!!"&.0*:.#%!49&.:(:.#+:'*,!Z#6=5#6&!Number of channels 64 Z measurement range 1kΩ to ~100MΩ Z

nanoZ User Manual 32 The figures below show the measurement error in (A) impedance magnitude and (B) phase as a function of the true impedance

33 C99&*=:D!)E!!)0#**&%!<#99:*;! The nanoZ application stores adaptor and electrode site mappings in the ʻelectrodes.iniʼ file,

nanoZ User Manual 34 the pins in the Adaptor window. If RoundContact is zero, the pins will be square, otherwise they will appear round. 4. the next f

35 dimensions in SiteSizeX and SiteSizeY, thereby allowing for electrode arrays with different site sizes. For simplicity, specify all these values i

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nanoZ User Manual 36 C99&*=:D!?E!J1K)CL!)'/9'*&*+!M#%N&,!The following table shows the channel mapping for the bank of test resi

37 >!P&#6!L:/:+&=!-#66#*+Q! White Matter LLC (White Matter), the manufacturer of the nanoZ, warrants to the original purchaser that the

1 -&%.'/&!+'!+0&!*#*'1!The nanoZ was specifically designed for multichannel microelectrode arrays. It features e

nanoZ User Manual 2 4'(+5#6&!:*,+#%%#+:'*!1. Connect your nanoZ to the computer using the USB cable provided. Let Windows s

3 4&++:*;!N9!+0&!*#*'1!The nanoZ requires no additional hardware other than a PC with a USB port. ` A simple way

nanoZ User Manual 4 To use the nanoZ with in vitro electrode arrays from MultiChannel Systems, plug the MCS MEA adaptor into the nanoZ, then

5 information about the pin mapping of these adaptors. All NZA series adaptors should be plugged into nanoZ so that the 3-pin header on the adaptor