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Karen Steward PhD

Science Writer

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Writes for:

Analysis & Separations Applied Sciences Immunology & Microbiology

Latest Content From Karen Steward PhD

Incidence vs Prevalence
Article

In epidemiology, prevalence and incidence are among the most fundamental measures when it comes to monitoring disease. But do you know what they mean or how and why they are important? This article takes a look at disease prevalence and incidence, what this information tells us and how it can be used.

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2DLC in Food Safety and Traceability
Article

With so many potential routes for food contaminants, both natural and otherwise, having the tools to detect them, determine the source of the problem and prevent them from reaching the consumer is therefore vitally important. In this article, we explore how 2DLC is being implemented to improve food safety and contaminant traceability.

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Should Infectious Diseases Be Made Notifiable? The Good, the Bad and the Ugly
Article

At first glance this question might seem like a no-brainer. Surely if you make an infectious disease notifiable then you are better able to contain infection and prevent it spreading, right? Unfortunately, whilst the principle seems simple, the reality is far less so. Here we take a look at the different facets and implications of making an infectious disease notifiable.

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A Year in Pictures 2019
eBook

For our planet and beyond, 2019 has been a packed year for reasons good and bad. Here we take a look back at some of the highs and lows to impact our environment and some of the events that continue to shape the Universe.

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ICP-OES vs ICP-MS
Infographic

Both inductively coupled plasma optical emission spectroscopy (ICP-OES) and inductively coupled plasma mass spectrometry (ICP-MS) are analytical techniques important for the analysis of trace elements in a host of mediums. Download this infographic to learn more about these techniques and their uses.

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Two-dimensional Liquid Chromatography in Foodomics
Article

To maximize the value of investigations and the information obtained, it is desirable for analysts in the food industry to be able to characterize as many components and aspects of a food sample as possible in a timely manner. This is where a foodomics approach comes in.

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Why We Should Consider Our Food Packaging and Not Just Our Food
Article

Whilst we can detect some contaminants by their taste or aroma, not all contaminants can be detected by our senses. Mineral oil-based chemicals are one such group and are attracting increasing interest from food analysts as we found out when we spoke to Professor Erich Leitner, a leading expert on food quality at the Graz University of Technology in Austria.

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Sequencing the Microbiome
Infographic

Download this infographic to discover what the microbiome is, why it's important and how we can learn more from harnessing the power of sequencing.

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Celebrations All Round for Analysis Veterans
Industry Insight

As a stalwart in the biological and chemical analysis fields, JEOL celebrates its 70th anniversary this year. But that’s not all it is celebrating, with the appointment of 35-year veteran of JEOL USA, Bob Pohorenec as President of the company this year.

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You’re Unique, So Your Nutrition Should Be Too: An Interview With Professor Tim Spector
Article

Recent research has shown that modifiable factors, such as our microbiome diversity, have a much more significant effect on many of our responses to food than fixed factors, like age or genetics. To learn more about predicting and modifying responses to food we spoke with Professor Tim Spector, expert on personalized nutrition.

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