Thermocycler
Thermocyclers automate precise temperature cycles for PCR and molecular biology applications. They are central instruments for DNA amplification in routine laboratory work.
Product
Thermocycler
Thermocyclers automate precise temperature cycles for PCR and molecular biology applications. They are central instruments for DNA amplification in routine laboratory work.
Suppliers
The following suppliers offer Thermocycler products.
Suppliers enabled for requests
Bio-Rad Laboratories Ltd.
BioConcept AG
Eppendorf Vaudaux AG
Huberlab AG
Labgene Scientific SA
Milian SA
Thermo Fisher Scientific (Schweiz) AG
Vitaris AG
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Guide and selection support
Thermocyclers are primarily used for the polymerase chain reaction (PCR), which requires defined temperature cycles to amplify DNA or RNA. The precise control of these cycles enables efficient and reproducible execution of molecular biology reactions.
When selecting a thermocycler, factors such as the number of samples, temperature range, cycle accuracy, and programmability are important. Devices should also offer functions for both standard and specialized applications.
LabFinder assists with orientation in the range of thermocyclers, provides clear selection criteria, and simplifies targeted searches for suitable laboratory devices for molecular biological processes.
Application and Benefits
Thermocyclers enable fully automated execution of temperature-dependent reactions, especially polymerase chain reaction (PCR). This involves controlled heating and cooling of samples for DNA amplification. Additionally, thermocyclers are used for restriction enzyme reactions, ligations, or reverse transcription processes. They are essential instruments in molecular biology, biotechnology, and diagnostics.
Selection Criteria
Important features when selecting a thermocycler include the number of samples that can be processed simultaneously, the available temperature range, and the precision of temperature control. Additional criteria are software user-friendliness, flexibility of programmable cycle parameters, power consumption, and compatibility with different vessel types (e.g., tubes, plates). Reproducibility and stability of cycles are also crucial.
Variants and Measurement Principles
Thermocyclers are usually configured as block systems, where heat is transferred to sample vessels via a metal block. Depending on the model, devices differ in block temperature regulation, heating and cooling speeds, and sample capacity. Some models offer advanced features such as gradient thermal cycling, allowing a temperature gradient per cycle, which simplifies PCR parameter optimization.
Calibration and Maintenance
To ensure precise temperature control, thermocyclers should be calibrated regularly. Maintenance includes cleaning the instrument block and any optical components (if present), as well as checking software functionality. Manufacturer recommendations for calibration and care should be followed to maintain device performance and reliability over time.
Limitations of Application
Thermocyclers are designed for temperature-dependent reactions with specific cycle programs. They are not suitable for reactions requiring different physical-chemical conditions. The accuracy of amplification also depends on the quality of the reagents used. Some applications require additional devices for analyzing PCR results.
Search Terms and Related Terms
Synonyms such as thermocycler, PCR block, thermo cycling device, PCR cycler, or polymerase chain reaction device are commonly used in the industry. Search terms include PCR, thermal cycler, DNA amplification, temperature control, and molecular biology laboratory instruments.
Also known as
thermo cycler
PCR block
PCR thermocycler
thermocycler PCR device
polymerase chain reaction device
PCR cycler
thermocycler instrument
thermocycler machine
PCR thermo cycler
thermocycle device
Related categories
Suitable brands
Frequently asked questions
How does a thermocycler work?
A thermocycler automatically controls predefined temperature cycles required for polymerase chain reaction (PCR) and similar molecular biology techniques. Through repeated heating and cooling, DNA strands are denatured, primers anneal to target sequences, and new strands are synthesized.
What types of thermocyclers are there?
Most thermocyclers operate with an aluminum block that heats the sample vessels. Variants include devices with gradient thermocycling, different capacities for PCR plates or individual tubes, as well as special models for advanced applications such as real-time PCR (not described in this category).
What criteria are important when selecting a thermocycler?
Key factors are the number of samples, the control options for temperature cycles, cycle accuracy, compatibility with vessel types, and the user-friendliness of the software. For frequent use, cooling capacity and ease of maintenance can also be relevant.
What are the applications of a thermocycler?
Mainly for polymerase chain reactions to amplify DNA or RNA. Additionally, a thermocycler supports temperature-dependent enzyme reactions such as restriction, ligations, and reverse transcription in molecular biology.
What limitations exist when using a thermocycler?
Thermocyclers are limited to temperature-dependent reactions and cannot perform processes requiring other physical or chemical conditions beyond defined cycle programs. The accuracy also depends on the quality of the reagents used.
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