The construction of the devices, and {HEAD ~ the resulting application} of {TAIL ~ the sample} and reagents to the chromatographic medium through a barrier in an aperture, allows more even application of the samples and reagents to the chromatographic medium, and reduces interference that might otherwise be introduced by particulates or colored samples 
The construction of the devices , and { HEAD ~ the resulting application } of { TAIL ~ the sample } and reagents to the chromatographic medium through a barrier in an aperture , allows more even application of the samples and reagents to the chromatographic medium , and reduces interference that might otherwise be introduced by particulates or colored samples
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH