Fig. 94. Gone Pulse Xcel front panel. Sao Section 3.21 for an explanation of the key functions
3.22 Home Seroon
Fig. 3.2. Gene Pulser Xcol Home screens. Al menu functions may be rondiy accessed from
key. Press tho Loft and Right Arrow keys to toggle botwoon the two screens
3.2.3 Help Screens
8.3 Manual Operation
3.31 Manual Operation (Quick Guide)
Fig. 3.2. Exponential Decay Protocol Detall Screen. This screen shows the parameters that may
be specified for exponential decay electroporation. Entering the cuvelte size ls optional and is for
Table 3.1. Capacitance and voltage rangos for the high voltage / low capacitance
circuit and the low voltage / high capacitance circuit of the Gene Pulser Xcell for
delivoring an exponential decay pulse.
Capacitance (uF) Voltage (Y)
Beams 2600 Rampe > 600
Table 3.2. Rangos of timo constants that may be achieved using Gene Pulser Xcell
at several sample resistances.
Sample rosistance Time constant range (msec)
Weireuit HV Circa
Time Constant Protocol Detail screen
Specified for exponential decay electroporation when the timo constant is designated. Entering
Fig. 3.5. Square Wave Protocol Deal Serean This seroon shows the paramators that may be spec
fied for square wave electroporation. Entering the cuvette size 1 optional anf or user informa
Table 3.3. Pulse length and pulse interval ranges for the high voltage / low
capacitance circuit and the low voltage / high capacitance circuit of the Gene
Pulsor Xcoll for delivering a square wave pulse.
Voltage (V) Pulse Length Pulse Interval No. Pulses (max)
Exponential Decay: Results Screen
pulso. The table gives the calculated Umo constant (TC) and the delivered voltage Voltage)
Time Constant: Results screen
‘The tabie gives the delivered time constant (TC) and voltage (Voltage) as walls the selected
Capacitor (Capacitance) and resistor (Resistance)
‘Square Wave: Results screen
LES
that the x-axis may not be to scale. The ‘the actual puise length (Pulso Length), the
Salivered voltage (Voltage, the calculated droap (% Droop), and, when multiple pulses are given,
{he pulso interval (toral) and the number of pulsos Number)
9.3.6 Saving a program from Manual Operation
User Directory screen
Fig. 3.9. User Directory screen. This is an example ofthe fest User Directory screon. Toggle
botwoon thi seroen and tho second sereon with Usors 7-12 using the Left and Right Arrow keys
User Protocols screen
Fig. 3.10. User Protocols servon. This is an example of th frst User Protocols seroon. Togo
between this screen and the second screen with Protocol 7-12 using the Left and Right Arrow
Key. Won purchased, the inital Usor Directory scroon wil have only numbers without any
3.3.61 Saving a protocol in a location without a named User Protocol entry
Warning screen
9.4.2 Electroporation using Pre-set Protocols
Pre-Set Protocols Screen
otocols Screen. There are Pre-set protocols for bat ral, and mam
‘malian cols, Uso this screon to make a selection from thelist.
Mammalian Pre-set Protocols Screen (screen 1)
Fig, 313. Mammalian Pre-set Protocols Screens. Protocols are provided for 12 mammalian col
on Seroon 2. d
Pre-set Protocol: CHO
Fig. 914. Protocol Detail Screen for CHO coll inthe Prost Protocals menu.
Table 3.4. Optimized settings found in the Pre-set protocols function of the Gene
Pulser Xcel.
3.5.6 Renaming a User Name or a User Protocol name
Warning screen: change name
3.6 Last Pulse
Exponential Decay Protocol Optimize Screen
‘Time Constant Protocol Optimize Screen
Square Wave Protocol Optimize Screen
Fig, 8.28. Data Management screen
Data screen (User Protocol, Square Wave)
Fig. 3.90, Examples of data screens.
3.9 Measurements
3.9.1 Sample Resistance Measurements
9.922 Calibration and Measurement of Capacitors in the CE Modulo
3.10 User Preferences
310.1 Setting the Clock
Fig. 3.98, LCD Brightness scroon,
to select. The LOD display ret ser Preferences screen,
3.40.3 Sleep Function Setting
9.11.2 Pulso Trac Diagnostic Algorithm
The Pu Trac ts
Extender mx
Section 4
Overview of Electroporation Theory
4.1 Exponential Decay Pulses
[able 4.1 Droop associated with pulso length at various sample resistances for the |
high-voltage and low-voltage ranges for the Gene Pulser Xcell
Droop %
Sample
Resistance
(ohms)
20
200
1000
3500
Fig. 4.1. (A) Exponential decay pulse from a capacitance lscharge system. When a capacitor,
charged to an inital voltage Vo, a ischarged into calls, the voltage applied to tho cols decreases
Vo 09. Inthe special caso whore t= CR then Ve. The value CR is known asthe time con-
stant ofthe voltage decay. The shorter the time constant the faster the decay, (8) Square wave
pulse from a capacitance discharge system. The puise length i the timo the calls aro subjected
{o the ischarge. During the pulse the voltage again decreases in an exponential decay so that at