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Updated: March 26, 2000

3-OCTADECANOYLPYRROLE PRODUCT INFORMATION

3-OCTADECANOYLPYRROLE Conductive Polymers[Discontinued]Product Name: 3-OCTADECANOYLPYRROLECatalog Numbers:    3ODOPAppearance:Pale purple powderRevision:1.3 (March 2000)

Technical Assistance Online  Instructions (PDF)  Material Safety Data Sheet (PDF)

General Information3-OCTADECANOYLPYRROLE is a surface-active pyrrole derivative which may be oxidised to form a highly conductive molecular monolayer which is an ideal material for electron microscopy substrates.¹ It may be mixed with pyrrole and applied to a water surface containing ferric chloride (FeCl₃). Langmuir-Blodgett techniques may be used to control the film produced.

3-OCTADECANOYLPYRROLE is supplied pure, as a powder. It should be refrigerated upon receipt, and stored at 2 - 8°C. Instructions for UseFormation of EM substrate films:¹ Cast a solution of the pyrrole in ethyl acetate (0.0015 g/mL) onto an air-water interface where the water contains 1 wt % ferric chloride. Free pyrrole as a vapor is added to initiate polymerization (place both the solution and an open container of pyrrole under a bell jar); the films may be controlled by using dental floss to control their spread, or more effectively by using a Langmuir-Blodgett trough for their generation. Drop the grids onto the film, then pick them up, wash as for thin carbon films, and apply the sample as usual.

General: Detailed instructions for monolayer formation, oxidation and monolayer manipulation are described by Hong et al.² Pure 3-OCTADECANOYLPYRROLE, or 1 : 300 or 1 : 5000 mixtures with pyrrole, are applied to the surface of a 1 wt % ferric chloride solution, then washed with deionized water and 5 % HCl after oxidation. Highly conducting films may be prepared by the method of Bocchi,³ using a solution of pure 3-OCTADECANOYLPYRROLE applied to the surface of a 10 wt % solution of ferric chloride. References

1. Simon, M. N.; Lin, B. Y.; Lee, H. S.; Skotheim, T. A., and Wall, J. S.: Proc. XIIth Int. Congress for Electr. Micr., San Francisco Press, Inc., San Francisco, CA, 1990; Vol. 1, pp. 290-291.

2. Hong, K., and Rubner, M. F.; Thin Solid Films, 1988, 160, 187; Hong, K.; Rosner, R. B., and Rubner, M. F.; Chem. Mater., 1990, 2, 82.

3. Bocchi, V., and Gardini, G. P.; J. Chem. Soc. Chem. Commun., 1986, 148.

For a complete list of references citing this product, please visit our References page.

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Nanoprobes was founded in 1990 by Dr. James F. Hainfeld, along with a group of scientists who were also alumni of Brookhaven National Laboratory. The independent research facility they formed has allowed Dr. Hainfeld and his colleagues the freedom to pursue some of the greatest challenges in research: seeking cures for cancer and other diseases.

While part of the funding for these endeavors has come from research grants, another source had to be found, as the scientific community faces ever-increasing government cutbacks. To this end, Nanoprobes began to offer many of the nanoparticle technologies developed by its members for use in other scientists' research.