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Journal Highlight: Qualitative and quantitative characterization of protein biotherapeutics with liquid chromatography mass spectrometry

Date: Nov 6, 2017

Author: spectroscopyNOW

The technical challenges and strategies of LC/MS-based quantification and characterization of biotherapeutics have been reviewed, with emphasis on the analysis of antibody-based biotherapeutics such as monoclonal antibodies and antibody-drug conjugates.

Read More thumbnail image: Journal Highlight Qualitative and quantitative characterization of protein biotherapeutics with liquid chromatography mass spectrometry

Compromised coffee: Soybean and corn adulterants by CE-MS

Date: Nov 1, 2017

Author: Steve Down

The adulteration of roasted coffee beans with coffee husks, corn or soybean has been detected using capillary electrophoresis-mass spectrometry to measure the monosaccharides originating from the constituent polysaccharides present in the beans.

Read More thumbnail image: Compromised coffee Soybean and corn adulterants by CE-MS

New building air quality: Pinpointing flame retardant sources

Date: Oct 15, 2017

Author: Steve Down

Flame retardants and other semivolatile organic compounds have been measured in the air inside four different room types in a newly constructed building to identify their potential sources and track their levels over the first year of occupation.

Read More thumbnail image: New building air quality Pinpointing flame retardant sources

Journal Highlight: Mining molecular structure databases: Identification of small molecules based on fragmentation mass spectrometry data

Date: Oct 9, 2017

Author: spectroscopyNOW

Computational methods that help with the identification of small molecules by analyzing mass spectral fragmentation data have been reviewed, focusing on the four main approaches to mine a database.

Read More thumbnail image: Journal Highlight Mining molecular structure databases Identification of small molecules based on fragmentation mass spectrometry data

Discover leading research in cannabis detection

Date: Oct 3, 2017

Author:

Cannabinoid research from an analytical viewpoint is rapidly developing as a more liberal approach to the medical, legal and social issues of the drug is adopted. Start reading our cannabinoid collection of papers here - free to access until the end of December.

Read More thumbnail image: Discover leading research in cannabis detection

Ambient mass spectrometry: Airborne contaminants

Date: Oct 1, 2017

Author: Steve Down

Ambient mass spectrometry is touted as a fast and simple technique buoyed by minimal sample preparation requirements, but users should be wary of airborne contaminants, say US researchers, as they can complicate spectra in unexpected ways.

Read More thumbnail image: Ambient mass spectrometry Airborne contaminants

New psychoactive substance screening: Wastewater from city festival

Date: Sep 15, 2017

Author: Steve Down

European scientists have used high-resolution mass spectrometry to screen for new psychoactive substances in wastewater during a city festival in Amsterdam, finding that traditional drugs are still dominant in the Dutch illicit drug scene.

Read More thumbnail image: New psychoactive substance screening Wastewater from city festival

Journal Highlight: Imaging mass spectrometry for metabolites: technical progress, multimodal imaging, and biological interactions

Date: Sep 11, 2017

Author: spectroscopyNOW

Recent developments in the use of imaging mass spectrometry for metabolite analysis, focusing specifically on technological advancement and their applications, have been reviewed, including technical advances and recent applications.

Read More thumbnail image: Journal Highlight Imaging mass spectrometry for metabolites technical progress multimodal imaging and biological interactions

Turtle takeaway: Pollution monitor at the Great Barrier Reef

Date: Sep 1, 2017

Author: Steve Down

A non-specific mass spectrometric screening method has been used to detect pollutants in green sea turtles from the coastal region of the Great Barrier Reef by comparing with free-ranging turtles using a case control protocol.

Read More thumbnail image: Turtle takeaway Pollution monitor at the Great Barrier Reef

Exhaled breath: Doping control option

Date: Aug 15, 2017

Author: Steve Down

In a proof-of-concept study, German scientists have shown that exhaled breath can be used as a novel sampling medium by sports testing organisations for doping control, paving the way for another mode of noninvasive testing.

Read More thumbnail image: Exhaled breath Doping control option
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