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Data Analysis

Techniques & Tools Forensics

The Gloves Are Off

| Joanna Cummings

What can experts in analytical sciences do - if anything - to stop sports doping?

Techniques & Tools Sample Preparation

Principles of Triple Detection GPC/SEC

| Sponsored by Malvern Panalytical

Triple detection GPC/SEC combines measurements from multiple detectors to offer not only increased amounts of data, but also increased amounts of information, which is made available by the combination of different detectors (and unobtainable using individual detectors separately). The theory of triple detection GPC/SEC is described here.

Techniques & Tools Sample Preparation

Using OMNISEC to Understand the Effect of Molecular Weight and Structure on the Performance Characteristics of Cellulose Derivatives

| Sponsored by Malvern Panalytical

This application note describes the analyses of a variety of aqueous (water-soluble) cellulose derivatives using the OMNISEC triple detection system and the subtle, yet distinct differences between these different derivatives that can be parsed out by the OMNISEC system

Techniques & Tools Sample Preparation

Characterizing polysaccharide structure with SEC-MALS and intrinsic viscosity measurements

| Sponsored by Malvern Panalytical

In this application note, molecular weight data from the Viscotek SEC-MALS 20 is combined with measurements of Rg and IV to study the structure of different polysaccharides including pullulan, dextran, hydroxypropyl cellulose (HPC), pectin and gum Arabic. The differences between conformation and Mark-Houwink plots are also studied.

Techniques & Tools Sample Preparation

Case study of a semi-pure β-amylase extract

| Sponsored by Malvern Panalytical

The investigative power of multiple detectors. Here, we describe the analysis of a semi-purified protein mixture containing β-amylase. Step-by-step, we show how different properties of the proteins elicit a specific response in each detector and how coupling this data can be qualitatively and quantitatively evaluated.

Fields & Applications Data Analysis

Enlightened Experimental Design

| Phil Kay

The traditional approach of designing experiments by changing one factor at a time is outmoded.

Techniques & Tools Data Analysis

Faster (GC) Tactics

| Jaap de Zeeuw

Five ways to speed up gas chromatography analyses using your current system

Techniques & Tools Data Analysis

Nice Measurement – Now What?!

| Rich Whitworth

Concerning disparity between measurements and decisions.

Fields & Applications Technology

Absolute molecular weight’s measurements of synthetic polymers using the Viscotek SEC-MALS 20

The molecular weight, molecular weight distribution and size of two common polymers are measured using SEC-MALS 20. Results from SEC-MALS and conventional calibration are compared and discussed.

Fields & Applications Sample Preparation

Analysis of demicellization data from isothermal titration calorimetry

Learn why isothermal titration calorimetry is a method of choice for accurate and precise determination of critical micellar concentration of surfactants for biochemical applications and find out how to analyse demicellization data from Isothermal Titration Calorimetry

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