FI-DL. SpectraMax Paradigm Fluorescence Intensity Dual Label (FI-DL) (MultiTox-Fluor) Detection Cartridge. User Guide

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Transcription:

FI-DL SpectraMax Paradigm Fluorescence Intensity Dual Label (FI-DL) (MultiTox-Fluor) Detection Cartridge User Guide 5008536 A September 2010

This document is provided to customers who have purchased Molecular Devices, Inc. ( Molecular Devices ) equipment, software, reagents, and consumables to use in the operation of such Molecular Devices equipment, software, reagents, and consumables. This document is copyright protected and any reproduction of this document, in whole or any part, is strictly prohibited, except as Molecular Devices may authorize in writing. Software that may be described in this document is furnished under a license agreement. It is against the law to copy, modify, or distribute the software on any medium, except as specifically allowed in the license agreement. Furthermore, the license agreement may prohibit the software from being disassembled, reverse engineered, or decompiled for any purpose. Portions of this document may make reference to other manufacturers and/or their products, which may contain parts whose names are registered as trademarks and/or function as trademarks of their respective owners. Any such usage is intended only to designate those manufacturers' products as supplied by Molecular Devices for incorporation into its equipment and does not imply any right and/or license to use or permit others to use such manufacturers' and/or their product names as trademarks. Molecular Devices makes no warranties or representations as to the fitness of this equipment for any particular purpose and assumes no responsibility or contingent liability, including indirect or consequential damages, for any use to which the purchaser may put the equipment described herein, or for any adverse circumstances arising therefrom. For research use only. Not for use in diagnostic procedures. The trademarks mentioned herein are the property of Molecular Devices, Inc. or their respective owners. These trademarks may not be used in any type of promotion or advertising without the prior written permission of Molecular Devices, Inc. Product manufactured by Molecular Devices, Inc. 1311 Orleans Drive, Sunnyvale, California, United States of America 94089. Molecular Devices, Inc. is ISO 9001 registered. 2010 Molecular Devices, Inc. All rights reserved. Printed in Austria.

Safety Information WARNING! If the equipment is used in a manner not specified by Molecular Devices, the protection provided by the equipment may be impaired. Warning and Caution Definitions All Warnings and Cautions in this document include an exclamation point, a lightning bolt, or a light burst symbol framed within a triangle. The exclamation point symbol is an international symbol which serves as a reminder that all safety instructions should be read and understood before installation, use, maintenance, and servicing is attempted. WARNING! A WARNING calls attention to a condition or possible situation that could cause injury to the operator. Electrical Safety CAUTION! A CAUTION calls attention to a condition or possible situation that could damage or destroy the product or the operator s work. When this symbol is displayed in this manual, pay special attention to the specific safety information associated with the symbol. To prevent electrically related injuries and property damage, properly inspect all electrical equipment prior to use and immediately report any electrical deficiencies. 5008536 A 3

Safety Information Contact a service engineer for any servicing of equipment requiring the removal of covers or panels. High Voltage WARNING! HIGH VOLTAGE! This symbol indicates the potential of an electrical shock hazard existing from a high voltage source and that all safety instructions should be read and understood before proceeding with the installation, maintenance, and servicing of all modules. Do not remove system covers. To avoid electrical shock, use supplied power cords only and connect to properly grounded (three-holed) wall outlets. Use only multiplug power strips provided by the manufacturer. Disposal of Electronic Equipment It is important to understand and follow all laws regarding the safe and proper disposal of electrical instrumentation. The symbol of a crossed-out wheeled bin on the product is required in accordance with the Waste Electrical and Electronic Equipment (WEEE) Directive of the European Union. The presence of this marking on the product indicates that: the device was put on the European Market after August 13, 2005. the device is not to be disposed via the municipal waste collection system of any member state of the European Union. For products under the requirement of WEEE directive, please contact your dealer or local Molecular Devices office for the proper decontamination information and take back program, which will facilitate the proper collection, treatment, recovery, recycling, and safe disposal of the device. 4 5008536 A

(MultiTox-Fluor) Detection Cartridge User Guide Laser Light WARNING! This symbol indicates that a potential hazard to personal safety exists from a laser source. When this symbol is displayed in this manual, pay special attention to the specific safety information associated with the symbol. Laser Specifications The SpectraMax Paradigm Multi-Mode Detection Platform is rated a Class 1 Laser Product because it houses one or more Laser Modules whereas the laser light is not accessible. Figure 2-1 Label on Rear of Instrument 5008536 A 5

Safety Information The embedded Laser Module inside the SpectraMax Paradigm Multi-Mode Detection Platform base instrument is used for the plate height detection and has the following specifications: Laser type: diode laser Wavelength: 650 nm Max. output power: 2 mw, cw Laser Class: Class 2M (IEC60825-1, ed. 1.2: 2001) Fan angle: 55 ±5 The embedded laser module is ON, only if the microplate chamber flap is closed (hardware interlock). The user or the service engineer is not exposed to any radiation from the embedded laser module during operation, maintenance, or service. The closed microplate chamber acts as the protective housing. Laser or Laser Diodes Inside the Cartridge Modules Various cartridge modules can have a Laser or Laser Diode (up to Laser Class IV) inside the cartridge modules. The SpectraMax Paradigm Multi-Mode Detection Platform is equipped with a redundant laser safety system. Therefore, the user or the service engineer is not exposed to any radiation of the embedded laser during operation, maintenance, or service. 6 5008536 A

(MultiTox-Fluor) Detection Cartridge User Guide Chemical and Biological Safety Normal operation of the SpectraMax Paradigm Multi- Mode Detection Platform may involve the use of materials that are toxic, flammable, or otherwise biologically harmful. When using such materials, observe the following precautions: Handle infectious samples according to good laboratory procedures and methods to prevent the spread of disease. Observe all cautionary information printed on the original solutions containers prior to their use. Dispose of all waste solutions according to your facility s waste disposal procedures. Operate the SpectraMax Paradigm Multi-Mode Detection Platform in accordance with the instructions outlined in this manual, and take all the necessary precautions when using pathological, toxic, or radioactive materials. Splashing of liquids may occur; therefore, take appropriate safety precautions, such as using safety glasses and wearing protective clothing, when working with potentially hazardous liquids. Use an appropriately contained environment when using hazardous materials. Observe the appropriate cautionary procedures as defined by your safety officer when using flammable solvents in or near a powered-up instrument. Observe the appropriate cautionary procedures as defined by your safety officer when using toxic, pathological, or radioactive materials. Note: Observe all warnings and cautions listed for any external devices attached or used during operation of the Instrument Name. Refer to applicable external device user guides for operating procedures of that device. 5008536 A 7

Safety Information Moving Parts Cleaning Maintenance To avoid injury due to moving parts, observe the following: Never attempt to exchange labware, reagents, or tools while the instrument is operating. Never attempt to physically restrict any of the moving components of the SpectraMax Paradigm Multi-Mode Detection Platform. Keep the SpectraMax Paradigm Multi-Mode Detection Platform work area clear to prevent obstruction of the movement. Observe the cleaning procedures outlined in this user guide for the SpectraMax Paradigm Multi-Mode Detection Platform. Prior to cleaning equipment that has been exposed to hazardous material: Appropriate Chemical and Biological Safety personnel should be contacted. The Chemical and Biological Safety information contained in this user guide should be reviewed. Perform only the maintenance described in this manual. Maintenance other than that specified in this manual should be performed only by service engineers. Note: It is your responsibility to decontaminate components of the Instrument Name before requesting service by a service engineer or returning parts to Molecular Devices for repair. Molecular Devices will NOT accept any items which have not been decontaminated where it is appropriate to do so. If any parts are returned, they must be enclosed in a sealed plastic bag stating that the contents are safe to handle and are not contaminated. 8 5008536 A

Contents Safety Information..................... 3 Warning and Caution Definitions.......... 3 Electrical Safety..................... 3 High Voltage....................... 4 Disposal of Electronic Equipment......... 4 Laser Light......................... 5 Laser Specifications.................. 5 Laser or Laser Diodes Inside the Cartridge Modules................... 6 Chemical and Biological Safety........... 7 Moving Parts........................ 8 Cleaning........................... 8 Maintenance........................ 8 SpectraMax Paradigm Fluorescence Intensity Dual Label (FI-DL) (MultiTox-Fluor) Detection Cartridge..... 11 Overview......................... 11 About Fluorescence Intensity and MultiTox-Fluor...................... 12 Applications of MultiTox-Fluor.......... 12 Analyzing MultiTox-Fluor Data.......... 13 Background Correction.............. 14 Signal-to-Noise Calculation (S:N)....... 14 Assay Controls and Data Normalization.................... 15 Performing Measurements............. 15 Microplate Recommendations.......... 17 Measurement Specifications........... 18 5008536 A 9

Contents Preventive Maintenance and Troubleshooting.................... 19 Validating Performance with the Multi-Mode Validation Plate............ 19 Troubleshooting................... 20 10 5008536 A

SpectraMax Paradigm Fluorescence Intensity Dual Label (FI-DL) (MultiTox-Fluor) Detection Cartridge Overview The SpectraMax Paradigm Fluorescence Intensity Dual Label (FI-DL) (MultiTox-Fluor) Detection Cartridge is for use on the SpectraMax Paradigm Multi-Mode Detection Platform. This detection cartridge uses ultra highpowered LEDs for the excitation of a dual set of fluorescent labels. This cartridge has been optimized for detection of the label set used in the MultiTox-Fluor Multiplex Cytotoxicity Assay from Promega (see Measurement Specifications on page 18): AFC (amino-fluorocoumarin) R110 (rhodamine 110) A detection cartridge contains the light source, optics, and electrical components needed to perform specific measurement modes or for specific applications. The SpectraMax Paradigm Multi-Mode Detection Platform requires these detection cartridges to enable different measurement modes. The SpectraMax Paradigm Multi-Mode Detection Platform is a modular multi-mode microplate detector. Userinstallable and removable detection cartridges allow the detector to be configured for specific applications and easily expand the capabilities of the detector at any time. The SpectraMax Paradigm Fluorescence Intensity Dual Label (FI-DL) (MultiTox-Fluor) Detection Cartridge is a single position detection cartridge and occupies one (1) slot in the detection cartridge transport. It may be installed in the top read detection cartridge transport for top reading, or in the bottom read detection cartridge transport for bottom reading. Refer to the SpectraMax Paradigm Multi-Mode Detection Platform User Guide for installation instructions. 5008536 A 11

(MultiTox-Fluor) Detection Cartridge About Fluorescence Intensity and MultiTox-Fluor In a fluorescence intensity method, the source light is directed through an excitation filter and then focused by an objective lens from either above or below the plate, depending on whether the cartridge is installed in the top or bottom read detection cartridge transport. The filter passes only the wavelength band necessary to excite samples. The objective lens collects the resulting fluorescence and directs it through an emission filter to separate background light from the specific wavelengths generated by samples. This signal is detected by one or two photo multiplier tubes. The MultiTox-Fluor Multiplex Cytotoxicity Assay (Promega) uses two independent fluorescent labels to distinguish and quantify live and dead cells in a single assay. Correspondingly, the SpectraMax Paradigm Fluorescence Intensity Dual Label (FI-DL) (MultiTox-Fluor) Detection Cartridge employs dual, ultra high-powered LEDs for excitation and optimized filter sets. Together with the dual-photomultiplier tube (PMT) design of the SpectraMax Paradigm Multi-Mode Detection Platform, this cartridge makes it possible to measure the dual label assay in a single read across the plate, thereby achieving faster read times and improved precision. Applications of MultiTox-Fluor The MultiTox-Fluor Multiplex Cytotoxicity Assay from Promega is a fluorescent assay that measures the relative number of live and dead cells in cell populations. The multiplex assay detects two protease activities: the one is a marker of cell viability, and the other is a marker of cytotoxicity. The live- and dead-cell proteases yield different products, AFC and R110, which have distinct excitation and emission spectra that allows them to be detected simultaneously. 12 5008536 A

(MultiTox-Fluor) Detection Cartridge User Guide Analyzing MultiTox-Fluor Data Fluorescence intensity data is dependent on a number of variables. As a result, raw data from the same plate may appear significantly different from one instrument to the next (for example, a SpectraMax Paradigm Multi-Mode Detection Platformversus a FilterMax F3 or FilterMax F5 Multi-Mode Microplate Reader). Raw data is compared to assay controls or a standard curve with known concentrations of a reference label. The raw data is normalized to counts per second by dividing the number of counts by the read time per well. When selecting a fast read mode, the raw data becomes slightly lower because during the continuous plate movement, some signal is collected under non-optimum focusing conditions. The MultiTox-Fluor assay gives ratiometric, inverselycorrelated measures of cell viability and cytotoxicity. The ratio of viable cells to dead cells is independent of cell number and, therefore, can be used to normalize data. For details, please refer to Promega s MultiTox-Fluor technical manual TB348. Analyzing and validating MultiTox-Fluor data typically consists of the following: Background Correction Signal-to-Noise Calculation (S:N) Assay Controls and Data Normalization 5008536 A 13

(MultiTox-Fluor) Detection Cartridge Background Correction A blank is a well that contains everything used with the sample wells except for the label and sample-specific compounds. Using assay buffer only or an empty well may be some approximation of a blank, but should be verified for each assay. The blank sample reveals the offset underlying each raw data sample. This offset does not carry information on the label and is therefore subtracted before any data reduction is performed.the blanked raw data are proportional to the amount of label in a sample. As referenced in the Promega MultiTox-Fluor technical manual TB348, background fluorescence should be determined using sample wells containing medium plus serum without cells. For improved results, it is recommended to run replicates for all blanks, controls, and samples. In this case, the blank value subtracted is the average value of all blanks. Multi-Mode Analysis Software performs automatic blank averaging and reduction if blanks are defined on the plate layout in the protocol (refer to the Multi-Mode Analysis Software User Guide). Signal-to-Noise Calculation (S:N) When the assay is done the first time with a cell line, Promega recommends that you determine the assay sensitivity for the used cell type by calculating signal-tonoise ratios. There are two alternative methods for determining the assay sensitivity described in the assay technical manual TB348. Template protocols including calculation for both methods are provided in the Multi- Mode Analysis Software. 14 5008536 A

(MultiTox-Fluor) Detection Cartridge User Guide Assay Controls and Data Normalization In addition to a no-cell control to establish background fluorescence, Promega s recommendation is to include an untreated cells (maximum viability) and positive (maximum cytotoxicity) control in the experimental design. For details, please refer to Promega MultiTox-Fluor technical manual TB348. The signals derived from viable cells (untreated) or dead cells (treated) are proportional to the cell number. However, data are collected as Relative Fluorescence Units (RFU), and the scales for AFC and R110 fluorescence will differ because of the difference in signal output of the two molecules. Therefore, the signals may be normalized to a percentage of maximum response. Performing Measurements When the SpectraMax Paradigm Fluorescence Intensity Dual Label (FI-DL) (MultiTox-Fluor) Detection Cartridge is installed in the SpectraMax Paradigm Multi-Mode Detection Platform, detection methods and protocols to perform fluorescence intensity measurements are enabled in Multi-Mode Analysis Software. When installed in the top read detection cartridge transport, the SpectraMax Paradigm Fluorescence Intensity Dual Label (FI-DL) (MultiTox-Fluor) Detection Cartridge enables the following detection methods for the wavelengths and labels supported by the detection cartridge (see Measurement Specifications on page 18): Fluorescence Intensity Top Fluorescence Intensity Dual Label (MultiTox-Fluor) When installed in the bottom read detection cartridge transport, the SpectraMax Paradigm Fluorescence Intensity Dual Label (FI-DL) (MultiTox-Fluor) Detection Cartridge enables the following detection methods: Fluorescence Intensity Bottom Fluorescence Intensity Dual Label (MultiTox-Fluor) 5008536 A 15

(MultiTox-Fluor) Detection Cartridge The SpectraMax Paradigm Fluorescence Intensity Dual Label (FI-DL) (MultiTox-Fluor) Detection Cartridge enables several example and template measurement protocols in Multi-Mode Analysis Software, which may be used as configured or as a basis to create new protocols. Additional detection methods and protocols using the SpectraMax Paradigm Fluorescence Intensity Dual Label (FI-DL) (MultiTox-Fluor) Detection Cartridge may be created using Multi-Mode Analysis Software. For information on creating detection methods using the SpectraMax Paradigm Fluorescence Intensity Dual Label (FI-DL) (MultiTox-Fluor) Detection Cartridge, refer to the Multi-Mode Analysis Software User Guide. For information on creating and running protocols using the SpectraMax Paradigm Fluorescence Intensity Dual Label (FI-DL) (MultiTox-Fluor) Detection Cartridge, refer to the Multi-Mode Analysis Software User Guide. Note: Measurement protocols that use multiple cartridges may also be created and run on the SpectraMax Paradigm Multi-Mode Detection Platform. 16 5008536 A

(MultiTox-Fluor) Detection Cartridge User Guide Microplate Recommendations The type of microplate and the way it is handled can affect the measurement performance of the instrument. Plate height may not exceed 25 mm. Select a plate type with properties suited for the application and for use with multi-mode detectors. Table 4-1 lists microplate selection guidelines for each supported measurement type. Note: For each type of assay (defined by plate type and sample volume), it is recommended to optimize the labware and reading height (refer to the Multi-Mode Analysis Software User Guide). Plate handling guidelines include: Plates should be clean and dry. Visually inspect the bottom and rim of the plate before use to make sure it is free of dirt and contaminants. Make sure the strips on strip plates are inserted correctly and level with the frame. Table 4-1 Microplate Selection Guidelines Measurement Technique Fluorescence Intensity Top Read Fluorescence Intensity Bottom Read Microplate Type solid black solid black with clear bottom Additional Considerations When an application specifies a surface treatment, only use plates with the correct treatment. When an application specifies a surface treatment, only use plates with the correct treatment. 5008536 A 17

(MultiTox-Fluor) Detection Cartridge Measurement Specifications The specifications for measurements using the SpectraMax Paradigm Fluorescence Intensity Dual Label (FI-DL) (MultiTox-Fluor) Detection Cartridge are shown in Table 4-2. Table 4-2 Measurement Specifications Parameter Detection Cartridge Name Specification Short Name Part Number 0200-7007 Weight 1.5 lb (0.7 kg) Detection Technique SpectraMax Paradigm Fluorescence Intensity Dual Label (FI-DL) (MultiTox-Fluor) Detection Cartridge MULTI-TOX Fluorescence Intensity Dual Label, Fluorescence Intensity, FRET Type Dual excitation, Dual emission Number of Slots 1 Top/Bottom Top or Bottom Light Source LEDs, ultra high-power Filter Set EX1: 406-15 EM1: 465-35 EX2: 504-12 EM2: 542-27 Labels* * Additional labels compatible with the excitation and emission wavelengths of the cartridge may also be used. Applications Validation Plate Tests AFC R110 MultiTox-Fluor reagents Designed for use with Promega s MultiTox-Fluor reagents Test names ending with -MULTI-TOX 18 5008536 A

(MultiTox-Fluor) Detection Cartridge User Guide Preventive Maintenance and Troubleshooting To ensure optimum operation of the instrument, perform the following preventive maintenance procedures as necessary: Open the detection cartridge transport only when removing or installing detection cartridges. When the detection cartridge is not in use, always keep the red cap in place and store in the detection cartridge box. Follow appropriate decontamination procedures as instructed by the laboratory safety officer. Contact a service engineer to inspect the instrument every two years. Use a Multi-Mode Validation Plate to regularly validate the performance of the cartridge. Contact Molecular Devices sales or service for more details. Respond appropriately to any error messages displayed by Multi-Mode Analysis Software. Validating Performance with the Multi-Mode Validation Plate The Multi-Mode Validation Plate is used to validate the performance of absorbance, fluorescence, and luminescence measurements performed on the SpectraMax Paradigm Multi-Mode Detection Platform. Validation runs performed with the validation plate only validate detection cartridge performance; factory- and user-defined settings are not changed. The tests, which need to be performed to validate performance, differ between detection cartridges. To validate the measurement performance of the SpectraMax Paradigm Fluorescence Intensity Dual Label (FI-DL) (MultiTox-Fluor) Detection Cartridge, run all validation plate test suites with the detection cartridge short name (see Table 4-2) appended to the end of the test name. 5008536 A 19

(MultiTox-Fluor) Detection Cartridge Note: Refer to the Multi-Mode Validation Plate User Guide for information on running tests with the validation plate. Troubleshooting WARNING! Only officially trained service engineers may perform service procedures on the instrument. Contact a service engineer when service is required. Perform the following troubleshooting techniques when necessary. Also refer to the SpectraMax Paradigm Multi- Mode Detection Platform User Guide. Table 4-3 Troubleshooting the SpectraMax Paradigm Multi-Mode Detection Platform If Functional failure Detection cartridge fails validation tests with validation plate Then Install the cartridge in a different detection cartridge slot. Contact Molecular Devices Technical Support. Refer to the Multi-Mode Validation Plate User Guide. Contact Molecular Devices Technical Support. 20 5008536 A