Wool fiber spectra

A variety of organic monomers may be polymerized in a plasma and deposited onto substrates 41,42. This process was investigated for a variety of flurocarbon monomers and substrates including polymer films and fabrics of woven wool fibers. Spectra were obtained using a Varian IEE-15 spectrometer. Typical electron line widths encountered from these... 

The infrared spectrum of rabbit hair was similar to that of the wool fibers with readily apparent amide bands in the regions of 1650 cm-1 and 1530 cm-1 (Figure 6). 

This conformational analysis using conformation-dependent C CP/MAS NMR chemical shifts was applied to estimate conformational transitions of SCMKA by stretching, heating, or steam-treating [87-90]. It is confirmed that the )S-sheet form appears and the a-helix content decreases upon stretching and steam-treating, as observed for native wool fiber. For SCMKA heated at 200°C for 3 h in vacuo, the C CP/MAS NMR spectrum shows the peaks are broader than those of other treated samples. This indicates the existence... 

Lee-Son and Hester [26] used Raman spectroscopy to determine the bonding mechanism of Cl Reactive Red 84, They show that the spectrum of Cl Reactive Red 84 is similar in the solid state, in a water solution, and when bound to the wool. However, in moving from solution to wool, the bands at 1549 cm (C=C stretch) and at 789 cm (C—Br stretch) disappear. They interpret this as being consistent with the reaction of the double bond in the dye with the wool fiber. 

Samples collected from the liquid nitrogen (LN) cold trap are similar to those collected at the fiber wool trap. The only difference is that there are fewer soot particles and more soluble material than at the fiber wool trap. When dissolved, the solvent turned to a light yellowish color. When analyzed with time-of-flight mass spectrometry, 50 and C70 are observed in the solution. However, when the sample from the LN trap was directly analyzed by FT-ICR mass spectrometry, we notice that the mass spectrum showed a whole array of peaks that we interpret as higher fullerenes up to C118 (Fig. 6). This is similar to the mass spectrum of negative ion clusters in a benzene flame (3). 

Figure 5. FT-ICR negative-ion mass spectrum of the sample (dissolved in toluene) collected at the fiber wool trap in the microwave enhanced CVD chamber.

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