Table 1 Data collection speeds and spectral reproducibility for the mosaic image (Figure 1) acquired using three different DFIR ranges.

From: Introducing Discrete Frequency Infrared Technology for High-Throughput Biofluid Screening

Number of Discrete Frequencies

Discrete Frequencies *

Acquisition Time ** (min)

∆Abs +

RSD++ (%)

199

1000–1800

45.2

0.017

0.6

14

1000, 1030, 1080, 1482, 1520, 1546, 1570, 1600, 1630, 1654, 1686, 1726, 1734, 1770

6.8

0.017

5.1

9

1482, 1520, 1546, 1570, 1600, 1630, 1654, 1686, 1726

4.0

0.071

15.0

  1. *Quoted in wavenumbers (cm−1). The 1000–1800 cm−1 range included data point spacing of 4 cm−1.
  2. **The data collection time for the (2 × 2 tile) image.
  3. +The average change in absorbance value across the discrete frequencies for the spectral dataset (n = 40).
  4. ++The mean relative standard deviation for the spectral dataset (n = 40).
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