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During refractory material production, high post-sintering strength is obtained by using a high solids content within the green body. However, this may impact processability. Particle size analysis provides a means of balancing these requirements.

Оборудование:
Серия Mastersizer
Дата:
November 4 2010
Язык:
English
Подробнее

Dynamic Light Scattering (DLS) is a low resolution technique, however algorithms are available in the Zetasizer Nano S to resolve mixtures of suitable samples, in this case of latex standards at a 1% concentration

Оборудование:
Серия Zetasizer Nano
Дата:
November 4 2010
Язык:
English
Подробнее
Size Exclusion Chromatography Dynamic Light Scattering (SEC-DLS) Практическая аннотация

The Zetasizer Nano has the capability to operate in a flow mode configuration as an SEC detector. DLS is an absolute technique, so can confirm the size and hence identity of eluted peaks without column calibration, in flow mode without stopped flow or fraction collection.

Оборудование:
Серия Zetasizer Nano
Дата:
November 4 2010
Язык:
English
Подробнее

The Zetasizer Nano S is used to determine the particle size of an enzyme-surfactant complex. This application note describes a new method for the characterization and solubilisation of hydrophobically ion paired enzymes in fluorinated solvents

Оборудование:
Серия Zetasizer Nano
Дата:
November 4 2010
Язык:
English
Подробнее
Using Light Scattering to Track β-2-Microglobulin Amyloid Formation Практическая аннотация

This note describes the value of dynamic light scattering in studying the early stages of amyloid formation by β2-microglobulin (β2m). Insight into the early stages of forming these fibrils should help with the rational design of therapeutics

Оборудование:
Серия Zetasizer Nano
Дата:
November 4 2010
Язык:
English
Подробнее
The role of zeta potential in water treatment process control Практическая аннотация

The Zetasizer Nano has been used extensively for water treatment process control. Optimal flocculation efficiencies are shown to occur within a zeta potential window, which can be used to reduce the costs of chemical flocculants used

Оборудование:
Zetasizer Nano Z
Дата:
November 4 2010
Язык:
English
Подробнее
Simplifying the measurement of zeta potential using M3-PALS Практическая аннотация

The Zetasizer Nano uses a method called M3-PALS to measure zeta potential in disposable capillary cells. These cells ensure there is no contamination between samples, and enables users with minimal training to get accurate, repeatable results

Оборудование:
Серия Zetasizer Nano
Дата:
November 4 2010
Язык:
English
Подробнее
Demonstrating that the Zetasizer APS eliminates cross contamination Практическая аннотация

With any sampling system there is a concern about cross contamination. These size and thermal trend experiments show that the measurement and cleaning protocol automated in the Malvern Zetasizer APS avoids any cross contamination

Оборудование:
Zetasizer APS
Дата:
November 4 2010
Язык:
English
Подробнее

Suspensions or dispersions of particles or droplets in a liquid medium are encountered in a variety of industries and find use in a diverse range of applications. These include liquid abrasives, ceramics, medicines, foodstuffs and inks to name a few. This application note discusses the various approaches for stabilizing a suspension depending on particle size and density.

Оборудование:
Серия Zetasizer Nano
Дата:
November 30 2010
Язык:
English
Подробнее
Introduction to the Zetasizer μV as a highly sensitive SEC detector Практическая аннотация

The Zetasizer µV is a light scattering detector that can be added to virtually any SEC system to provide an absolute size and absolute molecular weight measurement. A batch capability using cuvettes is ideal for the detection of aggregates

Оборудование:
Zetasizer µV
Дата:
June 30 2011
Язык:
English
Подробнее

This application note describes how Size Exclusion Chromatography (SEC) can be used to separate proteins and aggregates into individual populations according to their size. The addition of an additional detector, able to make measurements by both Dynamic and Static Light Scattering (DLS and SLS), allows the size, molecular weight and oligomeric state of the populations to be measured..

Подробнее

Highly charged Fe3O4 nanocrystals have found applications in telecommunication devices, drug delivery and contrast agents. The Zetasizer Nano can characterize the size and stability of these photonic crystal dispersions easily and quickly

Оборудование:
Серия Zetasizer Nano
Дата:
October 25 2011
Язык:
English
Подробнее

Pharmaceutical topicals and creams often contain drug particles which are suspended within the carrier medium. The size and shape of these particles may influence bioavailability, and can be measured using the Morphologi G3.

Оборудование:
Morphologi G3
Дата:
February 17 2012
Язык:
English
Подробнее

This application note describes how the combination of automated image analysis with Raman spectroscopy can deliver component specific particle characterisation data for pharmaceutical blends such as topical formulations.

Оборудование:
Morphologi G3-ID
Дата:
February 17 2012
Язык:
English
Подробнее

Introducing a new approach for dry powder inhaler characterisation, which combines automated imaging and cascade impaction to measure the particle size and shape distributions for particles which have been aerosolized. This aids understanding of the dispersion of the formulation during device actuation. . In this note we show how the Morphologi automated imaging system can be used to understand the degree of powder dispersion achieved during the operation of a dry powder inhaler by analysing powder fractions collected using cascade impaction..

Оборудование:
Morphologi G3
Дата:
May 16 2012
Язык:
English
Подробнее

Measuring the particle size of catalysts provides one way of predicting catalyst activity. Laser diffraction provides the ability to rapidly measure catalyst size distirbutions and also assess the risk of attrition during catalyst use.

Оборудование:
Серия Mastersizer
Дата:
September 12 2012
Язык:
English
Подробнее

The complementarities of two techniques, dynamic light scattering and static light scattering coupled with a size exclusion chromatography system, are illustrated by studying a number of thermally denatured and aggregated protein samples

Оборудование:
Серия Zetasizer Nano
Дата:
September 17 2012
Язык:
English
Подробнее

The best tasting coffee comes from whole coffee beans which have been freshly ground minutes before brewing. Control of the grinding conditions is critical, as incorrect milling can significantly impact the taste of the coffee.

Оборудование:
Серия Mastersizer
Дата:
December 20 2012
Язык:
English
Подробнее

A sample of PMMA was analysed by Size Exclusion Chromatography with Triple detection, before and after sterilization. Reduction in the molecular weight was shown to be firstly by cleaving the polymer at the branching points

Оборудование:
Система OMNISEC
Дата:
June 17 2013
Язык:
English
Подробнее

Molecular weight data from the Viscotek SEC-MALS 20 is combined with measurements of Rg and IV to study the structure of different polysaccharides. The differences between conformation and Mark-Houwink plots are also studied.

Оборудование:
Система OMNISEC
Дата:
July 25 2013
Язык:
English
Подробнее

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