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Determination of B-vitamin concentrations in supplements

The rapidly increasing usage of vitamins as supplements in foods has created a need to minimise the turnaround time of testing. Lennart Wahlström reports.

New methods help detect veterinary chemicals in food

Lennart Wahlström looks at a reliable method for the screening of veterinary drug residues.

Speciality starches provide superior emulsification and encapsulation

In addition to their assured consistent availability and quality, speciality starches can improve processing, produce high quality products and offer substantial savings. Fred Heinze and Himanshu Shah report.

Analysis of K, Ca, Fe, and Zn in Calcium-rich Powdered Milk

Powdered milk must contain many vitamins and minerals in order to correctly supplement an infant's nutrition. Iron is one such important nutrient and its concentration should be carefully controlled. A quick, reliable, and, above all,...

"Modular HPLC system offers flexibility, reliability and sensitivity"

Users of HPLC instrumentation require a vast array of features and working specifications to meet their application requirement.

Ultra-thin-layer chromatography plates

The new era of chromatographic separation started with Chromolith HPLC columns. Now Merck's latest innovation in monolithic silica technology is the ultra-thin-layer chromatography plates (UTLC).

MALDI-TOF spectrometers have now become the instrument of choice

Eric Russell looks at the increasing use of MALDI-TOFspectrometers in the laboratory environment and are nowthe instruments of choice for the analysis of proteins,peptides, oligonucleotides and synthetic polymers.

Hybrid particle technologyand its use in HPLC

High performance liquid chromatography (HPLC) has been a mainstay of the laboratory scientist for many years. However,there is a new chromatographic base material which is leadingto dramatic performance improvements, including an extended...

Evaporative light scattering detection: indicator of a mass response in LC work

Evaporative light scattering detection (ELSD) has become well established in the field of liquid chromatography (LC), writes Jeanie Watkins.

Analytical solutions for bioproduct characterisation problems

The structural characterisation of biotechnology products presents a challenge for modern analytical techniques. In contrast to small molecule drugs, biopharmaceuticals can be extremely large, complex entities, often comprising of multiple...

Clear sample solutions in analysis of fruit and vegetable juice

Dr Achim Gessler looks at the problems associated with control and monitoring during the process analysis of fruit and vegetable juices.

Analytical HPLC chromatography offers improvements in productivity

Today the demands of separation devices are higher than ever before. Increasing productivity in high performance liquid chromatography (HPLC), through higher sample throughput and reduced analytical time, is one of the major challenges with...

Organic/inorganic solution for HPLC separation problems

High-efficiency silica-based packings have been used in high performance liquid chromatography (HPLC) since 1973. Over the past 27 years, says Sylvie Mamon, many improvements have been made to the technology of these packings.

Comparison of NIRS techniques to determine caffeine content in tea

Near-infrared spectroscopy (NIRS) is an analytical tool that is used in many different fields, and many applications have already been described in the areas of agriculture, foodstuffs, cosmetics and pharmaceuticals. Here, Angela Schmidt,...

Customer service and logistics are key to clinical trial sample analysis

The pharmaceutical industry is an international marketplace. With dedicated central laboratories in the UK and US, alliances in Asia, South Africa and Australia, CentraLabS can offer a truly global service. By Dr Daniel Chapple.

Peak Scientific offer solutions to the world Helium shortage

Recent international studies have confirmed that the world will run out of helium gas in 25 years if current usage remains unchecked. As well as concerns for the future the gases scarcity has seen its price rise by 70% in recent years.

Flexibility and speedy data analysis key for omics technologies

Large scale proteomics and metabolomics projects rely on high-speed data analysis software, together with fast throughput analysis systems....

Economic approach to protein precipitation sample preparation

The Combipack™ is Porvair Sciences economic response to the growing use of protein precipitation separation techniques in chromatography...

HPLC modelling software

Dr Hans-Jürgen Rieger outlines the benefits of the latest high-performance liquid chromatography modelling software

Speed of data acquisition at heart of gas chromatography advance

Speed of data acquisition, together with bleed levels and inertness, are at the heart of innovations in the gas chromatography market. Sean...

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