Where, Ac is absorbance
of control, As is the absorbance
This determination of the bilirubin absorbance
could be accomplished in the face of interfering pigments with absorbances
at least 100 times greater than that of bilirubin itself.
Films were extracted in acetone to remove unreacted coagent, IR spectra were recorded, and vibrations of absorbances
of the s-triazine ring at 821 [cm.
The Mann-Whitney U-test was used to estimate differences in the anti-h-tTG absorbance
readings between groups, and the Spearman rank method was used to calculate the correlation between anti-h-tTG and total IgA.
Moreover, the information content of the near infrared spectra is quite complex because of the presence of overlapping absorbances
A control sample with a high total bilirubin shows the typical reaction pattern with an early increase in absorbance
readings after the addition of reagent 2.
In the next section, we examine the NIR absorbance
spectra for high density polyethylene (HDPE), poly(ethylene terephthalate)(PET), and poly(vinyl-chloride)(PVC) and identify significant spectral features for polymer identification.
0 mg) of the extracts, and their absorbances
were measured at 517 nm after incubation for 30 min at room temperature.
Recently we developed a procedure that uses a mathematic step-by-step (iterative) procedure to deconvolute the superimposed absorbance
scans of pigments in cerebrospinal fluid into the scans of individual pigments.
of both types of plates were highly significantly correlated whether net ([kappa] = 0.
showed gaussian distribution in all groups of patients.
In these calculations (see below), the absorbances
at 405, 414, and 455 nm, which are the [[lambda].
The method involved a spectrophotometric scan of the CSF in which the absorbances
of hemoglobin (Hb; 415 nm) and bilirubin (440 mn) were determined by subtracting a background obtained by drawing a tangent from 360 to ~530 nm.
The distribution of absorbances
for the 47 specimens (41 patients) that failed to confirm is also listed in Table 1.
The ratio of the two absorbances
for a heterozygous individual was close to 1.