Product Resources
Agilent's model 7693A Automatic Liquid Sampler autosampler is designed to minimize operator variability by automating sample preparation steps. According to the company, the instrument provides better than 1% RSD for sample volumes ranging from 50 nL to 250 μL. The company's Automation Engine software reportedly allows users to create sample preparation protocols without knowledge of programming languages. Agilent Technologies, Santa Clara, CA; www.agilent.com
The Exactive benchtop LC–MS system from Thermo Fisher Scientific is designed for high throughput, high performance screening and compound identification applications. The system is based on the company's Orbitrap mass analyzer. The system's Pathfinder software reportedly enables users to tune and optimize the system, develop methods, and review data. Thermo Fisher Scientific, Waltham, MA; www.thermo.com/exactive
The Xevo QTof MS system from Waters can be paired with the company's ACQUITY UltraPerformance LC system and will provide exact mass MS-MS data. The benchtop system reportedly requires minimal sample amounts to provide mass spectral data. Waters Corp., Milford, MA; www.waters.com
The GUARDION-7 portable GC–toroidal ion-trap MS system from Torion Technologies is designed for rapid, high resolution separation of analytes with mass-based detection of a wide variety of compounds. The system reportedly is supported with the company's CHROMION- operating software and CUSTODION solid-phase microextraction syringes for sample introduction. Torion Technologies Inc., American Fork, UT; www.torion.com
The AB SCIEX TOF/TOF 5800 MS system from Applied Biosystems/MDS Analytical Technologies is designed to help researchers advance the discovery of biomarkers to improve the understanding of diseases for potential use in a clinical setting. The MALDI-based system reportedly enables researchers to identify 30% more proteins 10 times faster than other MALDI systems. Applied Biosystems/MDS Analytical Technologies, Foster City, CA; www.appliedbiosystems.com
The maXis tandem MS system from Bruker Daltonics is designed to provide accurate mass data with high resolution and sensitivity. The system reportedly can be used with UHPLC for applications such as small molecule identification, trace analysis studies, metabolomics, and quantitative proteomics. According to the company, the system's MS and MS-MS mass accuracy is typically 600–800 ppb at acquisition rates as high as 20 full spectra/s. Bruker Daltonics, Billerica, MA; www.bdal.com
Epitomize chiral stationary phases from Orochem Technologies are designed for high efficiency chiral molecule separations. The stationary phases are available with 1.7-, 3-, 5-, 10-, 50-, and 100-μm particle sizes with 100-, 300-, and 1000-Å pore sizes in columns ranging from analytical to preparative scale. Orochem Technologies, Lombard, IL; www.orochem.com
The UltraFast BiPolar TOF detector from PHOTONIS is designed to provide a temporal resolution of 750 ps. According to the company, field tests show a nearly twofold increase in mass resolution capability. PHOTONIS, Sturbridge, MA; www.psplc.com
The 2-D Omni Spray ion source from Prosolia is based on a desorption electrospray ionization (DESI) design. According to the company, the source features a robust surface platform, rapid sampling, software control with an intuitive user interface, and a capacity of three Omni Slides or one Omni Slide-96. The source reportedly is compatible with Thermo and Sciex mass spectrometers. Prosolia, Inc., Indianapolis, IN; www.prosolia.com
The HPLC-chip MS system from Agilent is designed to enable automation of phosphopeptide analysis workflow for studying cellular phosphorylation events. The system includes a reusable, nanoflow-rate chip that contains an enrichment section with titanium dioxide beads flanked on both sides with C18 reversed-phase material. The chip reportedly can be used with the company's various MS systems and HPLC-chip cube interface. Agilent Technologies, Santa Clara, CA; www.agilent.com
The Miniature mass spectrometer from 1st Detect is an ion trap–based chemical detector designed for field-portable and handheld applications. According the company, the instrument was designed using advances in low power electronics and miniaturization techniques developed for the Space Program. The instrument reportedly is smaller and lighter than currently available comparable instruments. 1st Detect, Austin, TX; www.1stdetect.com
An 80-page MS primer from Waters Corp. is designed for practicing analytical chemists with more than an intellectual curiosity about mass spectrometry. Topics include making ions, mass spectrometer types, accuracy and resolution, and the role of liquid chromatography in performing better mass spectrometry. Waters Corp., Milford, MA; www.waters.com/primers
Best of the Week: EAS Conference Coverage, IR Spectroscopy, Microplastics
November 22nd 2024Top articles published this week include highlights from the Eastern Analytical Symposium, a news article about the infrared (IR) spectroscopy market, and a couple of news articles recapping spectroscopic analysis of microplastics.
FT-IR Analysis of pH and Xylitol Driven Conformational Changes of Ovalbumin–Amide VI Band Study
November 21st 2024This study uses Fourier transform infrared (FT-IR) spectroscopy to analyze how the globular protein ovalbumin's secondary structures transition under varying pH conditions in the presence of the cosolvent xylitol, highlighting the role of noncovalent interactions in these conformational changes.