is-there-cholesterol-in-collagen-peptides The field of peptide analysis has seen significant advancements, with researchers constantly seeking more efficient and robust methods for separation and purification. At the forefront of this innovation are iKey peptide separation devices, specifically those offered by Waters.Multiplexed Assay to Quantify the PP-Fold Family of Peptides ... These devices have emerged as a crucial technology, particularly within the ionKey/MS System, streamlining complex analytical workflows and enhancing the overall user experience. This article delves into the capabilities, specifications, and applications of iKey peptide separation devices, highlighting their impact on modern proteomics and biomolecule characterization.
Understanding the iKey Peptide Separation Device
The iKey separation device is an integral component of the ionKey/MS System, designed to simplify microflow liquid chromatography (µLC) coupled with mass spectrometry. Unlike traditional chromatography setups that require numerous fittings and connections, the iKey integrates the separation channel, electronics, electrospray ionization (ESI) interface, and heater into a single, compact unit.iKey Peptide BEH C18 Separation Device, 300Å, 1.7 µm, ... This innovative design, often described as being about the size of a smartphone, significantly reduces setup time and the potential for leaks, leading to improved reproducibility and robustness in analytical results.University of Groningen Mass spectrometry-based methods ...
A key feature of these devices is their construction.Hoofdblad IE 0719 13 februari 2019 They utilize a ceramic-based separations device packed with high-performance UPLC-grade particlesThis application brief evaluates the chromatographic performance ofiKey Separation Devicesin comparison to equivalent ACQUITY UPLC M-Class Columns.. This robust material, combined with advanced packing technology, ensures excellent chromatographic performance and longevity. The integration of an emitter directly into the iKey separation device further simplifies the setup, allowing it to be placed directly into the mass spectrometer sourceCheers! To Bottom-Up Proteomics Sample-Prep Tools. This direct coupling minimizes sample dilution and dead volume, leading to higher sensitivity and improved peak shape.
Key Technologies and Specifications
Several variations of the iKey peptide separation device are available, each tailored for specific analytical needs. Among the most prominent are the iKey Peptide BEH C18 Separation Device and the iKey Peptide CSH C18 Separation Device.
The iKey Peptide BEH C18 Separation Device is built upon BEH C18 (Ethylene Bridged Hybrid) technology.Hoofdblad IE 0719 13 februari 2019 This material offers a balance of selectivity, efficiency, and pH stability, making it suitable for a wide range of peptide separations. The BEH C18 particle chemistry is known for its low silanol activity and broad operational pH range, typically from 1 to 10Spectrometer with theiKey™Separation Device. TheiKeyconsists of the ceramic-based separations channel, packed with UPLC grade particles, an integrated .... This allows for the separation of diverse peptide chemistries under various mobile phase conditions. The pore size for these devices can vary, with common options including 130 Å and 300 Å, impacting the separation of peptides based on size and hydrophobicityShop iKey Peptide BEH C18 Separation Device | 186006969. Particle sizes are typically 1.7 µm, providing high-efficiency separations.
The iKey Peptide CSH C18 Separation Device utilizes CSH C18 (Charged Surface Hybrid) technology. This chemistry provides an orthogonal selectivity mechanism compared to BEH C18, particularly beneficial for separating challenging peptide mixtures, including those with acidic mobile phase additives. The CSH C18 offers enhanced retention for acidic analytes and improved peak shape for basic peptides. These devices often feature a Hybrid, USP Class: L1 classification, indicating their suitability for reversed-phase liquid chromatography applications.Peptide Separations Using Size Exclusion Chromatography The operational pH range for CSH C18 devices is generally 1 to 11, and they also employ 1.7 µm particles for high-resolution separations...iKey Peptide HSS T3 column, 100 Å 1.8 μm, 150 μm × 100 mm(Waters Corporation, Milford, MA, USA) was employed for peptide separation. The flow rate was set ....
Another important variation is the iKey Peptide HSS T3 column, 100 Å 1.8 µm, 150 µm x 100 mm2019年2月13日—INID CODES. “INID” Codes are used on the front pages of patent documents and in official gazettes to identify various.. This device leverages HSS T3 (Hydrophilic-Polar) silica technology, which provides excellent retention for a wide range of analytes, including polar compounds, and offers superior peak shape for both basic and acidic analytes. The 100 Å pore size and 1.8 µm particle size contribute to efficient and robust separations.
In terms of physical specifications, iKey separation devices are available with internal diameters of 150 µm. Lengths typically range from 50 mm to 100 mm, allowing for flexibility in method development and throughput requirements. Importantly, these devices are designed to be robust, with some models, like the iKey Peptide BEH C18 Separation Device, capable of withstanding pressure up to 10,000 psi (or 690 Bar). This high-pressure tolerance is crucial for achieving optimal performance with UPLC systems.
Streamlining Workflows and Applications
The microfluidics-based ionKey (or iKey) Separation Device has significantly impacted various analytical applications, particularly in proteomics and pharmaceutical research. Its primary benefit lies in its ability to streamline sample preparation and analysis. For instance, the iKey Peptide BEH C18 PCA Separation Device offers specific advantages for certain applications.Waters, 186006766, iKey Peptide BEH C18 Separation ...
The simplification offered by the iKey separation device is evident in its widespread adoption for peptides separation. Whether it's for bottom-up proteomics, targeted analysis of specific peptides, or general biomolecule characterization, the iKey provides a reliable and efficient platform.Chromatographic reproducibility of the novel ionKey/MS System The device's integrated emitter and direct coupling to the mass spectrometer source, as seen in the ionKey HSS T3 Separation Device, enable highly sensitive detection of low-abundance peptides.
Researchers have successfully employed iKey peptide separation devices for:
* Quantification of peptides: Improved methods for accurately quantifying peptides in complex biological matrices like human plasma and biological fluids have been developed using the iKey.MZ-Analysentechnik GmbH has been a manufacturer of HPLC and GPC columns and a supplier of chromatography columns and accessories since 1986. The company has ...
* Proteomics research: The iKey facilitates multiplexed MRM-based proteomics, aiding in the identification and quantification of proteins and peptides.
* Biomolecule purification and characterization: Its robust performance makes it suitable for isolating and analyzing peptides and other biomoleculesUniversity of Groningen Mass spectrometry-based methods ....
* Drug discovery and development: The iKey aids in the analysis of peptides relevant to drug targets and the characterization of peptide-based therapeutics.
The iKey is also recognized for its ease of use. The process of inserting the iKey separation device into the mass spectrometer source is designed to take only a few seconds, allowing scientists to quickly swap devices and minimize downtime2016年2月2日—To improve workflow, Waters offers themicrofluidics-based ionKey (or iKey) Separation Device, which plugs straight into the MS source.. This efficiency is crucial in high-throughput laboratories where time is a critical factor.
Expertise and Reliability
The development and manufacturing of iKey peptide separation devices by Waters Corporation bring a significant level of expertise and reliability to the field.Multiplexed Assay to Quantify the PP-Fold Family of Peptides ... With a history dating back to 1986 for companies like MZ-Analysentechnik GmbH, which supplies chromatography columns and accessories, the landscape of analytical instrumentation is built on decades of scientific innovationiKey Peptide BEH C18 Separation Device, 300Å, 1.7 µm .... The iKey is a testament to this ongoing commitment to advancing analytical science作者:RL Sayers·2017·被引用次数:37—The column andiKeywere heated to 35 °C while samples were maintained at 8 °C prior to analysis by triplicate injection of either 5 μL (conventional ....
The consistent performance and robustness of the iKey peptide separation devices, such as the C18 iKey separation device, have been validated in numerous scientific publications and application notes. For example, studies have demonstrated that the ionKey HSS T3 Separation Device can withstand approximately 2200 injections of prepared human plasma while maintaining excellent peak shape and system pressure profiles, underscoring its durability and reliability for demanding analytical tasks.
In conclusion, iKey peptide separation devices represent a significant leap forward in peptide analysis.Robustness of the ionKey/MS System in the Analysis of ... Their integrated design, advanced chemistries like BEH C18 and CSH C18, and robust construction provide researchers with a powerful tool for achieving high-resolution separation and sensitive detection of peptidesMicrofluidic Separation Coupled to Mass Spectrometry for .... By simplifying workflows and enhancing analytical performance, these devices are instrumental in driving progress across various scientific disciplines, from fundamental research to applied pharmaceutical development. The ability of these devices to effectively separate peptide mixtures is a cornerstone of their utility.Robustness of the ionKey/MS System in the Analysis of ...
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