Mini thermal cycler

Introduction

A mini thermal cycler is a compact thermal cycler used for the polymerase chain reaction (PCR) amplification of the nucleic acids, and it is used in the molecular biology, the clinical, the field, and the many other applications. The mini thermal cycler heats and cools the samples through the programmed temperature cycles, which are required for the PCR, with the compact and the portable design; the mini thermal cycler consists of a sample block, which holds the PCR tubes, a heating and a cooling system, a temperature control system, and the controls, and it provides features such as the programmable protocols; the mini thermal cycler is used for the PCR amplification, for the diagnostics, for the genotyping, for the field applications, for the education, and for many other applications, and it is an essential instrument for the compact PCR. Mini thermal cyclers are used in the molecular biology laboratories, in the clinical laboratories, in the field, in the education, and for many other applications. With their compact design, mini thermal cyclers are essential for the convenient PCR amplification.

Mini Thermal Cycler LMTHC-T2010

Mini Thermal Cycler offers a compact, space-efficient design with a temperature setting range of 0 to 100℃. It is equipped with advanced a 5-inch color touch screen that offers intuitiv...

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Standards

ISO 20836:2021-Microbiology of the food chain-PCR for the detection of microorganisms-Thermal performance testing of thermal cyclers

Complies with the above standards, but is not limited to them.

Features

1. Mini thermal cycler for compact, fast DNA amplification by polymerase chain reaction (PCR).

2. Small-format Peltier-based thermal cycler with rapid ramping for PCR, qPCR and isothermal applications.

3. Suitable for molecular biology, clinical diagnostics, field testing, education, research and point-of-care labs.

4. Includes thermal block, Peltier modules, heated lid, controller, display, software and operation manual.

5. Supports PCR amplification, genotyping, cloning, sequencing prep and rapid molecular testing in small format.

FAQ

Q1: What testing scenarios is this cycler mainly applied to?

A: The mini thermal cycler is used in molecular biology, clinical diagnostics, field testing, environmental monitoring, food safety, education, research, and point-of-care laboratories to perform DNA amplification by polymerase chain reaction (PCR) in a compact, portable format, providing rapid thermal cycling for applications where space, portability, or speed is important. It supports routine PCR (DNA amplification for cloning, genotyping, sequencing preparation, colony PCR), clinical diagnostics (pathogen detection (viruses, bacteria, fungi), genetic testing, rapid screening), field testing (on-site environmental DNA (eDNA) detection, food safety testing (pathogens, GMO), agricultural testing, point-of-care diagnostics in remote/low-resource settings), education (teaching labs, classroom demonstrations, student projects - compact and affordable), and research (rapid PCR optimization, high-throughput screening with multiple mini cyclers, field deployable testing).

Q2: What standards does the cycler comply with?

A: The mini thermal cycler follows relevant IEC, ISO and GB/T standards including IEC 61010 (safety requirements for electrical laboratory equipment), IEC 61326 (EMC), and applicable medical device regulations (FDA, CE IVD, NMPA) if used for clinical diagnostics. For research use only (RUO) models, no IVD certification is required. Calibration should verify temperature accuracy and uniformity using calibrated temperature probes or traceable temperature verification system (e.g., temperature calibration kit with certified probes). For clinical use, follow applicable quality management (CLIA, CAP, ISO 13485) and the cycler should be IVD-registered.

Q3: What is the warranty period for the whole cycler and key components?

A: The whole mini thermal cycler is covered by a 12-month warranty. The thermal block, Peltier modules, heated lid, controller, display, software and housing are covered, while block seals, fuses, and power adapter are consumables or accessories. Damage from improper use, liquid spillage (PCR reagents, buffer, ethidium bromide), overheating, Peltier module failure, or unauthorized repair is excluded. Extended warranty may be available. Peltier modules have finite lifespan (typically 10000+ cycles depending on usage and temperature range; rapid ramping and extreme temperature ranges can shorten Peltier life).

Q4: Is this device difficult to operate? Is professional training required?

A: Operation requires trained molecular biology personnel familiar with PCR and laboratory techniques. We provide operation manuals and training. Proper instrument setup (place on stable, flat, heat-resistant surface; ensure adequate ventilation (do not block vents - Peltier generates heat; mini cyclers can get warm on exterior); connect power; allow warm-up if needed), program setup (enter PCR protocol: initial denaturation (94-98 degrees C, 30 sec-5 min), cycling (denaturation 94-98 degrees C 5-30 sec, annealing 50-65 degrees C 10-30 sec, extension 72 degrees C 10-60 sec per kb; 25-40 cycles), final extension (72 degrees C, 5-10 min), hold (4-10 degrees C, infinite); set ramp rate (default or custom); set heated lid temperature (typically 100-110 degrees C) and pressure), sample preparation (prepare PCR master mix (template DNA, primers, dNTPs, Taq polymerase, buffer, MgCl2, water), aliquot into PCR tubes/strips/plate (mini cyclers typically accept 0.2 mL tubes/strips or 96-well plates (some mini models only accept 0.2 mL tubes/strips (16-32 wells); verify tube compatibility), centrifuge briefly to collect liquid at bottom (no bubbles), load into thermal block (ensure tubes are fully seated, cap properly (do not over-tighten caps - can cause uneven heating; close heated lid), run PCR (start program, monitor progress (remaining time, current step/temperature), post-run handling (remove samples promptly (or store at 4 degrees C hold), analyze by gel electrophoresis or other method, clean block (wipe with damp cloth if spills; do not use abrasive cleaners; ensure block is dry before next run), and maintenance (block cleaning, vent cleaning, software updates) are important for successful PCR.

Q5: What is the typical lead-time for order delivery?

A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.

Q6: Is regular calibration required? What is the recommended calibration cycle?

A: Temperature calibration recommended every 6-12 months using calibrated temperature probe system (verify at multiple set points (4, 25, 55, 72, 95 degrees C); verify temperature accuracy (+/- 0.2-0.5 degrees C typical) and uniformity across block (well-to-well variation < 0.4-0.5 degrees C); verify ramp rate (degrees C/sec). Heated lid temperature verification every 6-12 months. Timer accuracy verification every 6-12 months. Routine performance verification with a control PCR (known template + primers that give expected product size/yield) per month or per batch (for critical work). Full cycler performance verification annually. For clinical/IVD use, follow applicable calibration schedules and maintain records (calibration certificates, performance logs). Peltier module performance check (ramp rate, temperature stability) per schedule.

Q7: Are supporting consumables universal?

A: PCR tubes/strips (0.2 mL thin-wall PCR tubes, 8-tube strips, 12-tube strips, 96-well plates (if compatible) - specific to block format; use thin-wall tubes for good thermal transfer; avoid regular microcentrifuge tubes (thick walls, poor heat transfer)), pipette tips (for reagent preparation), PCR reagents (Taq polymerase, dNTPs, primers, buffer, MgCl2, template DNA - not part of cycler), sealing film (for 96-well plates), mineral oil (if no heated lid - most mini cyclers have heated lid, so not needed), cleaning supplies (mild detergent, 70% ethanol, lint-free wipes), and fuses/power adapter are available from molecular biology suppliers, though tube/strip format may be specific to cycler model (most accept standard 0.2 mL PCR tubes/strips, but some mini models have proprietary block formats - verify compatibility). Long-term consumable cost includes PCR tubes/strips (per run - low cost) and reagents (per reaction - moderate cost; reagents are the primary ongoing cost for PCR, not the cycler itself).

Q8: Can I customize parameters or supporting accessories?

A: Customization includes block format (0.2 mL tubes/strips (16, 24, 32 wells), 96-well plate (full or half), 384-well (some models), interchangeable blocks (some models allow swapping between tube and plate blocks)), temperature range (typically 4-100 degrees C, extend to 0-105 degrees C), ramp rate (2-5 degrees C/sec standard, up to 8-10 degrees C/sec for fast models), temperature uniformity (+/- 0.2 to +/- 0.5 degrees C), gradient capability (some mini models support gradient PCR (different temperatures across block for annealing temperature optimization - very useful for PCR optimization; not all mini cyclers have gradient - verify), heated lid (adjustable temperature 90-115 degrees C, adjustable pressure), control interface (buttons + LCD display, touchscreen, app control (Bluetooth/WiFi - control from phone/tablet), USB for program transfer/data export), connectivity (USB, Bluetooth, WiFi, Ethernet), software (program storage (number of stored programs), gradient programming, real-time monitoring, data logging, PC software for program editing, firmware updates), power (AC adapter, battery option (for field use - some models have rechargeable battery for portable/field use), car power (12V) option), construction (compact/portable size, lightweight, rugged (for field use), language and accessories. Additional blocks, tubes, and accessories can be ordered separately.

Q9: Does the purchase include on-site installation and commissioning service?

A: Standard delivery includes the mini thermal cycler, power adapter, basic user manual, and sometimes a quick-start guide. On-site installation is not required (just plug in and use). On-site training is not included for standard orders but can be arranged at additional cost (for clinical labs or new users). Remote guidance and technical support are provided.

Q10: What types of assays are compatible with this equipment?

A: The mini thermal cycler performs various nucleic acid amplification assays including endpoint PCR (standard DNA amplification for cloning, genotyping, sequencing preparation, colony PCR, diagnostic PCR - visualize product by gel electrophoresis after cycling), RT-PCR (reverse transcription PCR - RNA template (first reverse transcribe RNA to cDNA with reverse transcriptase, then PCR amplify; can be one-step or two-step; for RNA virus detection, gene expression analysis), multiplex PCR (amplify multiple targets simultaneously in one reaction using multiple primer sets - for pathogen panels, genotyping multiple loci; requires careful primer design to avoid primer-dimer and competition), nested PCR (two rounds of PCR with nested primers for increased sensitivity/specificity - for low-copy targets, clinical diagnostics; carryover contamination risk - use separate areas/precautions), touchdown PCR (gradually decrease annealing temperature over cycles - for difficult templates, primer optimization, reducing non-specific amplification), gradient PCR (different annealing temperatures across block (if cycler has gradient capability) - for annealing temperature optimization in a single run (very useful for new primer sets; test 8-12 temperatures simultaneously)), hot-start PCR (using hot-start polymerase or wax to prevent non-specific amplification at room temperature during setup - improves specificity and yield), long-range PCR (amplification of long DNA fragments (5-40 kb) using special polymerases (blend of Taq and proofreading polymerase) and modified cycling conditions (longer extension times, fewer cycles)), colony PCR (direct PCR from bacterial colonies (pick colony, boil or use directly in PCR with colony PCR buffer - for screening transformants, genotyping; fast and cheap, no DNA purification needed)), quantitative PCR (qPCR/real-time PCR - NOTE: standard mini thermal cyclers do NOT have optical detection for qPCR (qPCR requires a real-time PCR system with fluorescence detection (SYBR Green or TaqMan probes); some mini cyclers may have basic qPCR capability (rare - verify; standard mini cyclers are for endpoint PCR only), isothermal amplification (some mini cyclers can maintain constant temperature for isothermal amplification methods (LAMP - loop-mediated isothermal amplification (60-65 degrees C), RPA - recombinase polymerase amplification (37-42 degrees C), NASBA, RCA - rolling circle; these methods do not require thermal cycling (only constant temperature), so a mini cycler with accurate temperature control can be used (or even a heat block/water bath; mini cycler offers precise temperature control and programability), and other nucleic acid amplification assays within the temperature range, block format, and sample volume specification. IMPORTANT: Mini thermal cyclers differ from standard (full-size) thermal cyclers: (1) Smaller block capacity (typically 16-32 x 0.2 mL tubes, or 48-96 wells; full-size cyclers typically 96 wells or 384 wells; mini cyclers are good for low-to-medium throughput, rapid testing, and field use; for high-throughput screening, use full-size 96/384-well cycler or automated system). (2) Compact size/portability (mini cyclers are small (footprint ~15x20 cm) and lightweight (2-5 kg), suitable for small labs, field deployment, and multiple units on one bench; some models have battery option for true portability (field testing, point-of-care in remote settings); full-size cyclers are larger (30x40+ cm) and heavier (10-20 kg)). (3) Fast ramping (many mini cyclers have fast ramp rates (5-10 degrees C/sec) due to smaller thermal mass (smaller block = faster temperature changes; this reduces PCR run time (a typical 30-cycle PCR can be 30-60 minutes with fast mini cycler vs 60-120 minutes with standard cycler); fast ramping is good for rapid diagnostics and high-throughput; very fast ramping (>8 degrees C/sec) may affect some assays (enzyme kinetics, primer annealing - optimize if needed)). (4) Limited features (some mini cyclers lack gradient capability, extensive program storage, or advanced software compared to full-size models; verify features needed (gradient is very useful for primer optimization; if you need gradient, verify the mini model has it - not all do); some mini cyclers have only basic button/LCD interface (no touchscreen or app control)). (5) Cost (mini cyclers are generally less expensive than full-size cyclers ($500-$3000 vs $3000-$15000 for full-size; this makes them accessible for small labs, teaching labs, and field use; multiple mini cyclers can be purchased for the price of one full-size cycler, allowing parallel processing). PCR optimization: For new primer sets, optimize annealing temperature (use gradient cycler if available, or test multiple temperatures in separate runs; typical annealing temperature = Tm - 5 degrees C, but optimal varies), MgCl2 concentration (1.5 mM standard, optimize 0.5-4 mM), template amount (too much template causes non-specific amplification; too little causes low yield), cycle number (25-35 typical; too many cycles increases non-specific products and primer-dimer), and polymerase choice (Taq for routine, high-fidelity (Pfu, Phusion) for cloning/sequencing, hot-start for specificity, blend for long-range). Contamination prevention: PCR is highly sensitive (can amplify a single DNA molecule), so contamination is a major issue (amplicon carryover from previous reactions, environmental DNA, cross-contamination between samples); use separate areas for reagent preparation, sample addition, and post-PCR analysis (gel electrophoresis); use filtered pipette tips (aerosol barrier tips); use dedicated pipettes for PCR (not used for post-PCR products); use negative controls (no template control - NTC) to detect contamination; use uracil-N-glycosylase (UNG) with dUTP to prevent carryover (optional); open tubes carefully (avoid splashing); clean work area with DNAzap or 10% bleach; change gloves frequently. Clinical/IVD use: If used for clinical diagnostics (patient testing), the cycler and assays must comply with applicable regulations (FDA 510(k)/PMA, CE IVD, NMPA; the cycler itself may be IVD-registered (Class I or II medical device); assays (reagents, primers, probes) must be IVD-approved or laboratory-developed tests (LDTs) developed and validated per CLIA/CAP; operator must be properly trained and certified; maintain all records (QC, calibration, patient results, instrument maintenance) per regulatory requirements; for research use only (RUO), no IVD certification is needed but results cannot be used for clinical diagnosis (must label "For Research Use Only. Not for use in diagnostic procedures.").