WATERS 186007583 Acquity Protein Pak Res Column 2.5 4.6 214829-R1 B7

( Brand: Waters ), ( Manufacturer Part Number: 186007583 ), ( Country Of Origin: Ireland )

Review WATERS Acquity Protein pak Hi Res Hic Column 2.5 4.6 #214829-r1 B7

The **Waters 186007583 Acquity Protein-Pak RES HIC Column (2.1 x 4.6 mm, 214829-R1, B7)** is a high-performance, analytical-grade chromatography column designed specifically for the separation and purification of proteins, peptides, and other biomolecules using **hydrophobic interaction chromatography (HIC)**. Engineered with Waters proprietary **Acquity UPLC** technology, this column delivers exceptional efficiency, reproducibility, and sensitivity, making it an indispensable tool for researchers in biopharmaceutical development, proteomics, and structural biology. The **2.1 mm internal diameter** and **4.6 mm length** provide an optimal balance between resolution and sample throughput, while the **2.5 m particle size** ensures rapid, high-resolution separations with minimal backpressure, even at high flow rates. The **HIC resin** a specialized, high-capacity ligand packed within a rigid, chemically stable silica matrix exploits the hydrophobic interactions between biomolecules and the stationary phase, enabling precise fractionation based on protein hydrophobicity, charge, and conformational state. This column is particularly well-suited for **protein folding studies, protein-protein interaction analysis, and the characterization of recombinant proteins**, as it preserves native protein structure and activity while offering excellent peak shape and retention consistency. The **B7 variant** denotes a specific ligand chemistry optimized for broad compatibility with a wide range of proteins, including those with varying isoelectric points and surface hydrophobicity. Whether used in **preparative or analytical mode**, this column integrates seamlessly with Waters Acquity UPLC system, delivering superior sensitivity, peak capacity, and robustness for demanding applications in modern biochemistry and pharmaceutical research.

### **Pros and Cons of buying a Waters 186007583 Acquity Protein-Pak RES HIC Column (2.5 x 4.6 mm, 214829-R1, B7)**

1. **High Resolution and Efficiency** The 2.5 x 4.6 mm format provides excellent separation efficiency, ideal for detailed protein analysis, especially in complex samples. The smaller particle size (likely sub-2 m) enhances peak sharpness and resolution compared to larger columns.

2. **Hydrophilic Interaction Chromatography (HIC) Capability** The RES HIC chemistry is optimized for separating proteins based on hydrophobicity, making it useful for analyzing proteins with varying surface properties. This is particularly valuable for glycoproteins, membrane proteins, and proteins with post-translational modifications.

3. **Compatibility with Waters Acquity Systems** Designed specifically for Waters UPLC and Acquity systems, ensuring seamless integration with existing instrumentation. This reduces compatibility issues and simplifies method development.

4. **Durability and Longevity** Waters columns are generally built to last, with robust packaging and reliable performance over hundreds or thousands of injections, depending on sample conditions. The B7 designation may indicate a newer or improved version with enhanced stability.

- Protein purification and characterization

- Glycoprotein analysis

- Membrane protein studies

- Protein-drug conjugate analysis

- Post-translational modification mapping

6. **Backed by Waters Support** Waters provides comprehensive documentation, troubleshooting resources, and technical support, which can be invaluable for method optimization and troubleshooting.

7. **Consistent Performance** As a branded, high-quality column, it offers reproducible results across different labs, reducing variability in experimental outcomes.

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1. **High Cost** Waters columns are premium-priced, which may be prohibitive for small labs, academic institutions with limited budgets, or researchers running high-throughput analyses where cost per sample is critical.

2. **Limited Column Length Options** The 2.5 x 4.6 mm format is compact, which may not be ideal for very large or highly complex samples requiring longer separation times. Shorter columns can lead to faster but less resolved separations compared to longer (e.g., 50 mm) columns.

3. **Specialized Chemistry** HIC is a niche technique compared to more common reversed-phase (RP) or ion-exchange chromatography. If your lab lacks expertise in HIC, method development may require additional time and optimization.

4. **Sample Preparation Requirements** HIC often demands careful sample preparation, such as buffer optimization, salt concentration adjustments, and pH control, which can add complexity to workflows.

5. **Potential for Clogging** Proteins, especially membrane proteins or aggregates, can clog the column over time, necessitating frequent cleaning or replacement. This may increase long-term operational costs.

6. **Compatibility with Non-Waters Systems** While designed for Waters instruments, using it with non-Waters UPLC systems may require adjustments in flow rates, pressure limits, or gradient programming, potentially voiding warranties or causing performance issues.

7. **Waste Generation** Like all chromatography columns, this one generates waste during disposal, contributing to environmental concerns if not handled properly.

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### **Conclusion**

The **Waters 186007583 Acquity Protein-Pak RES HIC Column (2.5 x 4.6 mm)** is a high-performance tool for protein separations, particularly when HIC chemistry is required. Its strengths lie in resolution, compatibility with Waters systems, and versatility for specialized protein analyses. However, its high cost, niche application, and potential operational challenges (e.g., clogging, method development) may not justify its purchase for all labs.

### **Recommendation**

- Your lab frequently analyzes proteins requiring HIC separation (e.g., glycoproteins, membrane proteins).

- You are already invested in Waters UPLC/Acquity systems and need a reliable, high-resolution column.

- Budget constraints are not a limiting factor, and the column s performance justifies its cost.

- You have access to technical support or expertise in HIC method development.

- Your workflow relies primarily on reversed-phase or ion-exchange chromatography, where other columns (e.g., Waters BEH C18, XBridge Protein BEH HIC) may suffice.

- Cost is a major concern; explore lower-cost alternatives like third-party HIC columns (e.g., from Thermo Scientific or Agilent) or used/refurbished Waters columns.

- Your samples are highly complex or prone to clogging; a longer column (e.g., 50 mm) or a different chemistry (e.g., RP-HPLC) might be more practical.

- Your lab lacks experience with HIC; start with a smaller-scale or trial run to validate its necessity.

For most **specialized protein separations where HIC is essential**, this column is a strong choice. For broader or cost-sensitive applications, weigh the pros and cons carefully against alternatives.

Details:

Floor Scale you see in the pictures is not included. All return shipping charges must be prepaid by the customer. Waters ACQUITY 186007583. Protein-Pak Hi Res HIC Column, 2.5 m, 4.6 X100mm.

#214829 830 R1 B7.

part #: 186007583 prices

• $69.99-$549.00

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