Patent application number | Description | Published |
20090009758 | OPAQUE ADDITIVE TO BLOCK STRAY LIGHT IN TEFLON AF LIGHT-GUIDING FLOWCELLS - The present invention is directed to the use of a light absorbing wall material to eliminate stray light paths in light-guiding structures, such as those used for HPLC absorbance detection. More specifically, the present invention relates to the use of carbon-doped Teflon® AF, or “black Teflon® AF,” for all or part of the walls of a light-guiding flowcell adapted for use in HPLC absorbance detection. | 01-08-2009 |
20100026999 | METHODS OF MAKING AND USING AND APPARATUS AND DEVICES FOR PLACING LIGHT AND SAMPLE IN PHOTO-EMITTING OR ABSORBING DEVICES - The present invention relates to apparatus and devices ( | 02-04-2010 |
20100280811 | BASELINE MODELING IN CHROMATOGRAPHY - An apparatus and a method of chemical analysis entail acquiring a chromatogram, median filtering the chromatogram to produce a model baseline, smoothing the model baseline to reduce noise, and subtracting the smoothed model baseline from the acquired chromatogram to produce a modified chromatogram having a substantially flat baseline. | 11-04-2010 |
20120092664 | OPAQUE ADDITIVE TO BLOCK STRAY LIGHT IN TEFLON.RTM. AF LIGHT-GUIDING FLOWCELLS - The present invention is directed to the use of a light absorbing wall material to eliminate stray light paths in light-guiding structures, such as those used for HPLC absorbance detection. More specifically, the present invention relates to the use of carbon-doped Teflon® AF, or “black Teflon® AF,” for all or part of the walls of a light-guiding flowcell adapted for use in HPLC absorbance detection. | 04-19-2012 |