Download Cyto Pulse Sciences, Inc.
Transcript
PA4000 User Manual: rev.1-1/05 Table of Contents page 1. Introduction 1-1 PA-4000 PulseAgile® Systems, Options, and Accessories 2. Tutorials 2-1 2.1 Electroporation 2-1 2.2 Electroporation Equipment 2-2 2.2.1 2.2.2 2.2.3 2.2.4 2-2 2-4 2-6 2-6 2.3 2.4 2.5 Electric Fields in Aqueous Solutions and "Load" Exponential Decay (ED) Electroporators Rectangular Wave Electroporators Cyto Pulse Sciences PA-4000 PulseAgile® Electroporator Using and Optimizing PulseAgile® Protocols 2-6 2.3.1 2.3.2 2.3.3 2.3.4 2.3.5 2.3.6 2.3.7 2.3.8 2.3.9 2.3.10 2-7 2-7 2-8 2-8 2-8 2-9 2-9 2-9 2-10 2-10 Background Initial Pore Formation Initial Pulse Width Follow-up High Voltage Pulse Further Pore Formation Movement of Material into Cells Cell Viability Factors – Heat Cell Viability Factors - Excess Voltage Other Cell Associated Factors Solution Temperature, Pore Closing Times Addition of Reagents Method Development 2-10 2.4.1 2.4.2 2.4.3 2.4.4 2.4.5 2-10 2-11 2-11 2-12 2-12 2-12 2-12 2-13 2-13 2-13 2-13 2.4.6 2.4.7 2.4.8 2.4.9 3. 1-2 Choosing a Starting Point Electroporation Medium Reporter Molecules Cell Viability Electrical Parameters 2.4.5.1 Published Protocols 2.4.5.2 Cell Diameter Optimize the first pulse Optimize multiple, high voltage pulses Optimize molecular transport Further optimization of Molecular Transport Pulses References 2-15 Operational Concepts 3-1 3.1 Important Concepts 3-1 3.1.1 3.1.2 3.1.3 3.1.4 3-1 3-2 3-2 3-4 3-4 3-4 3-6 3-6 3-7 3.1.5 3.1.6 3.1.7 Load Resistance and Conductance Power Supply Voltage Setting and Voltage Monitor Relationship Between Power Supply and Pulse Amplitude Changing Amplitude from Pulse-to-Pulse 3.1.4.1 Decreasing Voltage from One Pulse to the Next 3.1.4.2 Increasing Voltage from One Pulse to the Next Pre-Pulse Load Estimator Pulse Droop Aqueous Solution Heating Cyto Pulse Sciences, Inc. P. O. Box 609, Columbia, MD 21045 USA 410-715-0990 iii