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Gas Chromatography – News and Features

A woman drinking a protein powder shake.
News

Nearly Half of Protein Powders Contain Dangerous Levels of Toxic Metals

A new report reveals alarming levels of toxic heavy metals in protein powders, with nearly 50% of products exceeding safety thresholds for lead, cadmium and arsenic. The study highlights organic and plant-based powders as the most contaminated.
Researcher in a laboratory analyzing food samples under a microscope for food authentication purposes.
Article

Authentic Foods and Where To Find Them: Challenges and Solutions in Food Fraud Testing

This article explores some of the challenges in food authenticity testing, how advancements in technology have impacted the field, and consumer awareness and protection.
A white tablet held with tweezers seen through a magnifying glass
Article

Navigating the Complexities of Impurities in Pharmaceuticals

Impurities in pharmaceuticals are a major concern for drug manufacturers. This article will discuss the importance of monitoring and minimizing impurities in drug substances and products and key developments in the field.
A top-down view of a variety of different fresh fruits and vegetables.
Article

When Testing for Off-Flavors, Chromatography and the Human Nose Are a Winning Combination

Identifying which compounds are causing unpleasant flavors and odors in food is a difficult challenge, and one that is tricky to tackle with analysis equipment alone. By including trained human sensory panelists, scientists can get a headstart on id
Close-up of a test tube containing blue liquid mixed with microplastic fragments, with scattered colorful plastic particles on a black surface.
Article

Methods for Microplastics Detection

Explore the technologies currently being used and developed to detect microplastics and nanoplastics.
Aerial photo of a tray of sliced lemons, chili peppers and red onions.
Article

An Analytical Toolbox for Tackling PFAS in Food

To properly monitor PFAS exposure and protect public health, researchers are building an analytical toolkit to ensure that all relevant PFAS are captured.
Gloved hand collecting a water sample from a natural pond, highlighting water quality testing.
Industry Insight

Unveiling the PFAS Challenge: Monitoring, Detection and Mitigation for Public Safety

PFAS are raising health concerns due to accumulation in the environment and humans. This article explores the advanced analytical methods that aid PFAS detection in drinking water, ensuring compliance and enhancing public health protection.
Gloved hand holding tiny colorful microplastic particles, highlighting environmental pollution.
Article

Up in the Air: What Do We Know About Airborne Microplastics?

In this article, we examine airborne microplastics in greater detail, explore detection methods, consider what we currently know about their health risks and highlight various mitigation strategies.
Conceptual illustration of terrestrial hot springs on early Earth.
News

Iron Sulfides May Have Catalyzed Life’s Origins in Terrestrial Hot Springs

A new study reveals iron sulfides in early Earth's hot springs catalyzed CO reduction into organic molecules, potentially aiding life’s origins. Manganese doping enhanced catalytic activity, especially under sunlight and vapor conditions.
A bird's eye view of forest and farm.
Article

How Food Analysis Is Helping Fight Deforestation

To learn more about this new food analysis method, Technology Networks attended RAFA 2024 to hear from one of its pioneers, Chris Elliott, a professor of food safety at Queen’s University Belfast.
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