Product Resources
Thermo Fisher Scientific's isotope ratio mass spectrometry (IRMS) system is designed to enhance laboratory productivity, confirm the authenticity of food and beverage samples, and detect counterfeit products. According to the company, the automated system combines its DELTA V series IRMS system, ConFlo IV Universal Interface, TRACE GC Ultra system, and Flash HT Plus elemental analyzer. The combination reportedly offers a simplified workflow requiring minimal sample preparation and handling.
IRMS system
Thermo Fisher Scientific's isotope ratio mass spectrometry (IRMS) system is designed to enhance laboratory productivity, confirm the authenticity of food and beverage samples, and detect counterfeit products. According to the company, the automated system combines its DELTA V series IRMS system, ConFlo IV Universal Interface, TRACE GC Ultra system, and Flash HT Plus elemental analyzer. The combination reportedly offers a simplified workflow requiring minimal sample preparation and handling.
Thermo Fisher Scientific, Inc, Waltham, MA; www.thermo.com
Ion-trap mass spectrometer
Bruker's amaZon SL ion-trap mass spectrometer is designed to increase analytical capabilities and productivity for laboratories involved with detailed structural analysis of all types of molecules. According to the company, the system features automated and intuitive software, a fast data acquisition speed at full isotopic resolution in both MS and MS-MS for use with UHPLC, on-the-fly polarity switching for analysis of a diverse set of compounds, and optimal, highly reproducible fragmentation efficiency to help identify unknown compounds.
Bruker Daltonics, Inc., Billerica, MA; www.bdal.com
Microchannel plate detectors
PHOTONIS' TruFlite microchannel plates and detector assemblies are designed for time-of-flight MS measurements. The plates' input surface reportedly reduces uncertainty in ion arrival time, or time jitter, and surface flatness is measured and controlled. According to the company, the pore size and bias angle are optimized to improve mass detection. The microchannel plates and detectors are available with 18-mm and 25-mm active areas.
PHOTONIS USA, Sturbridge, MA; www.photonis.com
LC–MS system
Agilent's 6150B series single-quadrupole liquid chromatograph–mass spectrometer is designed to provide higher sample throughput and can scan at 10,000 amu/s. According to the company, the system's sample inlet design uses superheated sheath gas to focus the ion stream entering the mass spectrometer, which provides a stronger signal with lower standard deviation at the limit of detection. The ionization technique reportedly enables efficient ionization for a broader range of compounds than electrospray or atmospheric pressure ionization alone.
Agilent Technologies, Inc., Santa Clara, CA. www.agilent.com
Application guide
Dionex Corporation has published an updated version of its "MS Applications Guide." According to the company, the update provides 12 new environmental and industrial applications, including urea in ultrapure water, carbamates in water, alkylphenol ethoxylates, phenolic acids, FA and TFA, nicotine and metabolites, glyphosates, perchlorate in baby formula and milk, melamine and cyanuric acid, and ionic liquids by IC–MS and LC–MS.
Dionex Corporation, Sunnyvale, CA; www.dionex.com
Mass spectrometer
The Waters SYNAPT G2 mass spectrometer is designed for use in biopharmaceutical, metabolite identification, metabonomics, proteomics, biomarker studies, and food and environmental applications. According to the company, the quadrupole time-of-flight system features greater than 40,000 FWHM resolution, high sensitivity, a data acquisition rate of 20 spectra/s, exact mass (1 ppm RMS) information, and a dynamic range of up to five orders of magnitude.
Waters Corporation, Milford, MA; www.waters.com
Portable GC–MS system
Torion's GUARDION-7 portable GC-torodial MS system features electronic pressure control of the helium carrier gas and is available with rechargeable batteries for longer field operating times. According to the company, the system weighs less then 30 lb, is the size of a brief case, operates on battery power, and has an on-board helium carrier cartridge.
Torion Technologies Inc., American Fork, UT. www.torion.com
UHPLC–MS columns
Optimize Technologies' hand-tight OPTI-TRAP EXP trap columns are sample purification and preconcentration products designed for use at pressures as high as 20,000 psi (1400 bar). According to the company, the columns can connect directly to any injection valve (with 10–32 threads) or in-line with the company's OPTI-LOK EXP fittings.
Optimize Technologies, Inc., Oregon City, OR. www.optimizetech.com
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.
