
( Brand: Fisherbrand ), ( Manufacturer Part Number: 05-408-138 ), ( Model: 1.5ML ), ( Part Type: Tube Centrifuge Case ), ( Unit Type: Unit ), ( Unit Quantity: 4500 ), ( Country Of Origin: Mexico ), ( Intended Use/discipline: Biological Laboratory, Microbiological Laboratory )
The **Fisherbrand 05-408-138 2.0 mL Microcentrifuge Tube** is a high-performance, ultra-clear polypropylene tube designed for precision and reliability in laboratory applications requiring accurate centrifugation and sample handling. Engineered with a robust, conical shape, these tubes provide optimal sample recovery and efficient pelleting during high-speed centrifugation, making them ideal for a wide range of molecular biology, biochemistry, and clinical diagnostics procedures. Constructed from high-quality, sterile, and non-pyrogenic polypropylene, the tubes ensure chemical resistance, durability, and compatibility with a variety of reagents, including DNA, RNA, proteins, and cell suspensions, without leaching or degradation. Their smooth, seamless interior minimizes sample adhesion, reducing the risk of contamination and simplifying the transfer of precious biological materials. The tubes feature a tight-fitting, screw-cap closure with a secure, leak-proof seal, ensuring containment during centrifugation and preventing spills or evaporation during storage or transport. Each tube is precision-molded to exacting tolerances, ensuring consistent performance across all batches, which is critical for reproducible experimental results. The clear, transparent walls allow for easy visualization of samples, enabling quick assessment of pellet formation, turbidity, or color changes without the need for additional equipment. Additionally, the tubes are compatible with standard microcentrifuge adapters, ensuring seamless integration into existing laboratory workflows. Whether used for DNA/RNA extraction, protein purification, cell culture processing, or routine sample preparation, these tubes deliver exceptional performance, reliability, and sterility, making them a trusted choice for researchers and technicians in academic, industrial, and clinical settings.
**Pros and Cons of Buying Fisherbrand 05-408-138 4500 Microcentrifuge Tubes (2.0 mL)**
### **Pros:**1. **High Quality and Durability** Fisher Scientific is a reputable brand known for producing reliable labware. These tubes are designed to withstand repeated use in high-speed centrifugation without cracking or leaking, which is critical for experiments requiring precision.
2. **Compatibility with Common Centrifuges** The tubes are specifically engineered for use in standard microcentrifuges (up to 13,000 RPM or 16,000 x g), making them versatile for a wide range of laboratory applications, including DNA/RNA extraction, protein purification, and small-scale biochemical assays.
3. **Sterile and Low-Binding Properties** These tubes are manufactured to be sterile, reducing contamination risks. They are also low-binding, meaning they minimize adsorption of proteins, nucleic acids, or other biomolecules, which is essential for accurate experimental results.
4. **Consistent Performance** The uniform design ensures consistent centrifugation behavior, reducing variability between samples. This is particularly important in quantitative analyses where reproducibility is key.
5. **Wide Availability and Easy Replacement** As a widely used product, these tubes are readily available from Fisher Scientific and other suppliers, making replacements straightforward if needed.
6. **Compatibility with Common Lab Equipment** They are compatible with standard pipettes, PCR machines, and other lab instruments, simplifying workflow integration.
7. **Clear and Durable Labeling** The tubes have clear markings for easy identification, and the material is resistant to fading, which helps in long-term storage and labeling.
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### **Cons:**1. **Cost** Compared to generic or less-branded alternatives, Fisherbrand tubes are more expensive. For labs with tight budgets or those performing high-throughput experiments, this can add up quickly.
2. **Disposable Nature** While durable, these tubes are still single-use or limited-use items in many labs due to contamination risks. Frequent replacement may be necessary, increasing long-term costs.
3. **Limited Customization** Unlike some specialized tubes, these are not designed for niche applications (e.g., ultra-low binding for specific proteins or high-temperature resistance). If specialized requirements exist, other brands or types may be needed.
4. **Potential for Contamination** Even with sterile packaging, improper handling or reuse can introduce contamination. Labs must adhere to strict protocols to avoid this.
5. **Environmental Impact** As disposable items, they contribute to lab waste. Some labs may prefer reusable alternatives (e.g., glass tubes) to reduce environmental footprint, though these require more maintenance.
6. **Size Limitations** At 2.0 mL, these tubes are suitable for many applications but may be too small for larger-scale experiments. Larger volumes would require different tube sizes, adding to variability in workflows.
7. **Potential for Breakage in Extreme Conditions** While designed for standard centrifugation, extreme forces (e.g., accidental over-centrifugation) could cause breakage, leading to sample loss or injury.
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### **Conclusion:**The Fisherbrand 05-408-138 4500 microcentrifuge tubes are a high-quality, reliable choice for standard laboratory applications requiring precision and consistency. Their durability, compatibility, and low-binding properties make them ideal for research involving nucleic acids, proteins, or small-scale biochemical analyses. However, their cost and disposable nature may be drawbacks for budget-conscious labs or those prioritizing sustainability.
For most standard lab workflows particularly in research, molecular biology, or clinical diagnostics the benefits outweigh the drawbacks. If cost is a major concern, generic alternatives (e.g., from other reputable brands like Axygen or Corning) may offer similar performance at a lower price. For specialized applications (e.g., ultra-low binding or high-throughput), evaluating other tube types or reusable options may be warranted.
### **Recommendation:** Purchase these tubes if:- You require high reliability and consistency in centrifugation-based experiments.
- Your lab prioritizes brand reputation and quality assurance.
- You are working with sensitive samples where low-binding properties are critical.
Consider alternatives if:- Budget constraints make the cost prohibitive, and generic tubes meet your needs.
- Your workflow involves large volumes or extreme conditions where specialized tubes may be more appropriate.
- Sustainability is a priority, and reusable or bulk-purchased options are feasible.
For most academic or clinical research settings, these tubes are a strong, well-supported choice. Always verify compatibility with your specific centrifuge and experimental requirements before committing to a purchase.
Nine bags of 500 present. Shipping Buyer pays for all shipping costs. Power cords and power adapters are never included unless specifically mentioned. Box has physical damage to it, contents unaffected.
Warranty This item is guaranteed to be as described. Orders are shipped to the cardholders billing address. CASE 4500 FISHERBRAND 05-408-138 MICROCENTRIFUGE TUBE 2.0mL CENTRIFUGE MCT: This lot is for one Case FisherBRAND Microcentrifuge Tubes 2.0 mL Centrifuge.