Sentences with phrase «pressure liquid chromatography»
HbA1C was assessed using the high pressure liquid chromatography (HPLC) method.
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Blood samples were collected and analyzed for plasma buprenorphine concentrations using ultra high pressure liquid chromatography / mass spectrometry.
Samples were injected into a triple quadrupole, - MS / MS instrument (Thermo Scientific Finnigan TSQ Quantum UltraAM, San Jose, CA) after separation with an Ultra High Pressure Liquid Chromatography (Waters Acquity - UHPLC) system with a Binary Solvent Manager, Sample Manager and a Waters AccQTag Ultra column (part # 186003837, 2.1 x100 mm) at 55 °C.
High - pressure liquid chromatography with ultraviolet - visible spectral analysis of toluene extracts of samples from two Cretaceous - Tertiary (K - T) boundary sites in New Zealand has revealed the presence of C60 at concentrations of 0.1 to 0.2 parts per million of the associated soot.
The demand is very robust for skills in areas like high pressure liquid chromatography and gas chromatography.»
However for many of the reasons above, it was soon evident that the test was highly subjective, and today it has replaced by High Pressure Liquid Chromatography (HPLC).
Not exact matches
Deuterium enrichment profile of Golden Rice β - carotene analyzed by liquid chromatography / atmospheric pressure chemical ionization - mass spectrometry (positive ion mode).
For Golden Rice β - carotene, analysis of serum samples by liquid chromatography / atmospheric pressure chemical ionization - mass spectrometry (23) showed that the labeled β - carotene was absorbed intact after consumption of the cooked Golden Rice.
With this labeling method, the intrinsically labeled Golden Rice β - carotene showed a protonated molecule of m / z of Mβc + H + = 536 + 1 (representing unlabeled β - carotene) and a range of isotopomers with the most abundant showing an enrichment of 9 deuterium at Menrich - βc = Mβc + H + + 9 mass units (Figure 4) as analyzed by using the liquid chromatography / mass spectrometry with a positive atmospheric pressure chemical ionization interface (the total m / z was Mβc + 9 + H + = 536 + 9 + 1 = m / z 546)(23).
Major research instrumentation and facilities include well - equipped research computing laboratories, 40Ar / 39Ar, quadrupole, and stable isotope mass spectrometers, electron microprobe, high - pressure rock physics and rock mechanics laboratory, fission track and image analysis lab, neutron activation counting lab, liquid and gas chromatography lab, a flow visualization lab, and local seismic networks.