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现在位置不用本金就能赚钱的方法>技术资料不用本金就能赚钱的方法>行业动态>新品动态>Malvern仪器成为皇后大学聚合物表征实验室必需品

Malvern仪器成为皇后大学聚合物表征实验室必需品

Malvern2012年8月30日 9:42 点击:1465

加拿大金斯顿的皇后大学来自化学工程系的Daniel Krasznai表示,The Zetasizer Nano ZS已然成为皇后大学聚合物表征实验室的必需仪器,该仪器的最大特点在于快速、重现性和一个友好的用户界面。
 

 

 

Malvern Zetasizer Nano is integral to Queen’s University’s polymer characterization lab

Release Date:
2012-Aug-28
Number:
PR2500

“The Zetasizer Nano ZS is an integral piece of equipment in our polymer characterization laboratory,” said Daniel Krasznai, Department of Chemical Engineering, Queen's University, Kingston, Canada. “The most important features that the Zetasizer Nano ZS offers are rapidity, reproducibility, and a user-friendly interface.”

Daniel Krasznai’s supervisor, Dr. Michael F. Cunningham, holds the Ontario Research Chair in Green Chemistry and Engineering at Queen's University. His team focuses on the synthesis of polymer colloids using a range of dispersed free-radical polymerization techniques. Together with Dr. Niels M.B. Smeets, and fellow collaborators Dr. Pascale Champagne and Dr. Timothy F.L. McKenna, they have recently published a paper in which they use the Zetasizer Nano ZS to characterize novel core-shell materials in pure water.

不用本金就能赚钱的方法In this publication, Dr. Smeets’ previous work on the rational design of hyperbranched synthetic polymers from Catalytic Chain Transfer Polymerization (CCTP) was extended to provide a core-shell copolymer consisting of a synthetic core decorated with a polysaccharide shell, allowing for easy dispersion in water. Resulting data from the Zetasizer Nano ZS was used to support the anticipated core-shell structure. Because these core-shell particles are discrete and covalently linked, there is no need for micellization to create a stable colloidal system in water.

不用本金就能赚钱的方法“The Zetasizer Nano ZS is a useful instrument for us since the average particle size, particle size distribution, and zeta potential of our materials are key parameters in terms of understanding the fundamental issues surrounding particle creation and stabilization, as well as reaction kinetics and macromolecular architecture. A particularly unique application of the Zetasizer Nano ZS is that we can measure the average particle size and zeta potential of some of our samples using undiluted suspensions (of a few wt% in concentration),” continued Dr. Smeets.

不用本金就能赚钱的方法The published paper; ‘Polysaccharide-stabilized core cross-linked polymer micelle analogues’ by Krasznai et al, was published in Polymer Chemistry, Issue 4, 2012, and is available online through

The Zetasizer Nano ZS measures particle and molecule size from less than one nanometer up to several microns using dynamic light scattering, zeta potential and electrophoretic mobility using electrophoretic light scattering, and molecular weight using static light scattering. For further information on the Nano ZS and other instruments in the Zetasizer range, please visit:

Malvern, Malvern Instruments and Zetasizer are registered trademarks of Malvern Instruments Ltd

For more information on this press release, contact:

For media information please contact:

Trish Appleton
Kapler Communications Limited
Phoenix House,
Phoenix Park,
Eaton Socon,
Cambridgeshire,
PE19 8EP, UK

Tel: +44 (0)1480 471059
Fax: +44 (0)1480 471069
trish.appleton@kapleronline.com
 
Please send sales enquiries to:

Alison Vines
Malvern Instruments Ltd
Enigma Business Park
Grovewood Road
Malvern
Worcestershire
WR14 1XZ, UK

Tel: +44 (0) 1684 892456
Fax: +44 (0) 1684 892789
alison.vines@malvern.com
 
(来源: Malvern )


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