March Newsletter
AFM WorkShop logo 

Story_1Polymer Applications Focus:  

Our Users Recent Publications

and

 A Short Course

Polymers are the building blocks for many widely used consumer goods, from grocery bags to automotive components, and from sneakers to appliance parts. Polymers also play an important role in device fabrication by providing a cheap and chemically customizable material for a host of applications including biomedical and electronic devices.

Developing the correct mechanical, structural, and electrical properties for polymer-based materials used in advanced applications and technologies requires sophisticated engineering and synthesis. Because Atomic Force Microscopy is uniquely positioned to investigate a variety of properties on the nanoscale, it has become the technique of choice within the polymer community to characterize this important class of materials.

We are pleased to provide a short-course focusing on the use of AFM to characterize polymers.  This course will be taking place May 10-11, 2016 in the Greater Boston area, see more information, below.
AFMWorkshop's TT-AFM provides all the major Atomic Force Microscopy (AFM) modes needed to characterize polymers, including vibrating mode for topography/morphology and force distance curves for mechanical properties such as adhesion and stiffness. A number of researchers have published their work on polymers using the TT-AFM, characterizing important properties such as size, shape, and dispersion. Below we highlight a few recent articles where researchers are utilizing the TT-AFM for work on polymers in biomedical and electronic device applications. 
  • Exploring the effect of liquid-phase assembly on formation of conducting polymer films 
    In this work, scientists use tapping mode atomic force microscopy conducted with a TT-AFM, among other techniques, to study the morphology and structures of P3HT films formed in a variety of solvent mixtures. Read More  

    Reference:  Gordon, M. P., et al. (2015). "Poly (3-hexylthiophene) films prepared using binary solvent mixtures." Journal of Polymer Science Part B: Polymer Physics.  
P3HT, 20µm x 20µm; 10 µm x 10 µm; 5 µm x 5 µm. Figures reproduced with authors' permission.
  • Polymer microparticles synthesized using naturally derived cross-linkers
    By modifying synthetic polymers with naturally derived moieties, the best of both worlds can be brought together for effective drug delivery. The authors cross-link a synthetic polymer (styrene) using a naturally derived component (sucrose) as the cross-linker. Using a TT-AFM, atomic force microscopy characterized the resulting polymer microparticles and the effects on the structures from such processing conditions as particle concentrations, solvent, and drying. Read More  

    Reference: Raposo, C. D., et al. (2015). "Synthesis of cross-linked polymeric microparticles containing hexa-O-benzylsucrose." Designed Monomers and Polymers 18(8): 753-760
Cross-linked styrene polymers, 10 µm x 10 µm. Figures reproduced with authors' permission.
  • Characterization of natural resource based polymer structures
    The authors designed and synthesized biocompatible polymers from the natural building block of sucrose-containing polymers.  A TT-AFM operating in vibrating mode in ambient conditions was used to image the resultant polymer films. Read More   

    Reference: Petrova, K. T., et al. (2014). "Amide-linked N-methacryloyl sucrose containing polymers." Carbohydrate Polymers 110: 38-46. 
Left: 15 x 15µm; Right: 1 µm x 1 µm
Left: 5 µm x 5µm, Right, 2 µm x 2 µm

Characterizing the morphology of films and self-organization ability in four biocompatible polymers. Figures reproduced with authors' permission.
  • Nanoscale characterization of polymer nanoparticles for biomedical applications
    The authors synthesized polymer nanoparticles from polyethylene glycol (PEG), a biocompatible polymer. They modified these nanoparticles to facilitate binding to the desired cell and to include a drug incorporation site. Using a TT-AFM operating in vibrating mode under ambient conditions, the authors successfully characterized both the shape and size of their polymer nanoparticles synthesized from polymers of different molecular weight. Read More  
     

    Reference: Crucho, C. I. and M. T. Barros (2014). "Surfactant-free polymeric nanoparticles composed of PEG, cholic acid and a sucrose moiety." Journal of Materials Chemistry B 2(25): 3946-3955.
phase image, polyethylene glycol
7 µm x 7 µm. Figures reproduced with authors' permission.

 EARLY BIRD DISCOUNT!

Story_2Polymer Applications-Oriented Workshop

May 10 - 11, 2016 
AFM For Characterization of Polymer Materials
Boston, Massachusetts

are pleased to partner again this year in a polymer applications-oriented atomic force microscopy course just outside of Boston, Massachusetts in May, 2016.

The two day course mixes lecture with labwork on the basics of atomic force microscopy and its specific application to imaging polymer materials. AFM hardware and software will be reviewed, with special emphasis on the imaging modes and image processing needed to study polymer materials. Attendees with any make or model of AFM are welcome.

The course is led by Dalia Yablon, Ph.D., a physical chemist with 15 years of experience in the field of scanning probe microscopy (SPM). Dalia's 2013 book Scanning Probe Microscopy in Industrial Applications: Nanomechanical Characterization was published by Wiley. Dr. Yablon spent over a decade leading a state of the art scanning probe microscopy/nanomechanical characterization facility at ExxonMobil Corporation's flagship R&D center. In 2013, Dalia founded SurfaceChar, a scientific consulting company in the greater Boston area specializing in surface and interface characterization and measurement with a focus on scanning probe microscopy/atomic force microscopy.

REGISTER by April 1 for an early bird discount !

INSIDE THIS ISSUE

Previous AFM Workshop

Upcoming Workshops: 

Look for AFMWorkshop at these Upcoming Events:  

  • March 8-10, 2016
    80th Annual Meeting of the DPG, and Spring Meeting 
    Regensburg, Germany
Vibration Animation Still Shot
A still shot from animated series #2 on Vibrating Mode for AFMs

AFM Tutorial Animations  

A very popular step-by-step animation series, currently includes :

Atomic Force Microscopy

from Oxford University Press, by Peter Eaton and Paul West.  Order yours today from Amazon.com.

"...a great introduction to AFMs for beginners and also serves as a good starting point for more serious users." 
Udo D. Schwarz,
Yale University
 
 
AFMWorkshop offers a broad product line of modular, innovative, high-value atomic force microscopes. Customers include nanotechnology researchers, educators, process development/control engineers, and instrument innovators. AFMWorkshop provides world-class customer service and training with every product sold.