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Applied Biosystems 7900HT User Manual

Applied Biosystems 7900HT
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DRAFT
September 1, 2004 11:39 am, CH_Basic.fm
Chapter 4 Operating the Instrument
4-6 Applied Biosystems 7900HT Fast Real-Time PCR System and SDS Enterprise Database User Guide
Preventing Contamination
Contamination
and the
5´ Nuclease
Assay
PCR using the 5´ nuclease assay requires special laboratory practices to avoid false
positive amplifications (Kwok and Higuchi, 1989). The assay’s logarithmic
amplifications can potentially amplify a single DNA molecule (Saiki et al., 1985;
Mullis and Faloona, 1987).
General PCR
Practices
Observe the following guidelines when assembling optical plates or loading
TaqMan
®
Low Density Arrays for use on the 7900HT instrument:
• Wear a clean lab coat (not previously worn while handling amplified PCR products
or used during sample preparation) and clean gloves when preparing samples for
PCR amplification.
• Change gloves whenever you suspect they are contaminated.
• Maintain separate areas, dedicated equipment, and supplies for:
– Sample preparation
– PCR setup
– PCR amplification
– Analysis of PCR products
• Never bring amplified PCR products into the PCR setup area.
• Open and close all sample tubes carefully. Try not to splash or spray PCR samples.
• Keep reactions and components capped as much as possible.
• Use positive-displacement pipets or aerosol-resistant pipet tips.
• Clean lab benches and equipment with 10% bleach solution.
Compatible Consumables
Consumables for
Use with
the 7900HT
Instrument
Table 4-1 Compatible Consumables
Consumable Type
Compatible Seals
Use these… Not these…
ABI P
RISM
â„¢
384-Well Optical
Reaction Plates
•ABIPRISM
â„¢
Optical Adhesive Covers
(quantity 100)
• Optical Adhesive Covers (quantity 25)
384-Well Septa

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Applied Biosystems 7900HT Specifications

General IconGeneral
BrandApplied Biosystems
Model7900HT
CategoryLaboratory Equipment
LanguageEnglish

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