Sentence examples for trace amount of sample from inspiring English sources

Photoluminescence measurements were carried out using a Spex FluoroMax3 spectrometer (HORIBA Jobin Yvon Inc., Edison, NJ, USA) after dispersing a trace amount of sample via ultrasound in distilled water.

The results clearly demonstrate that the pH junction is valuable and efficient for low concentration complex proteome digest analysis, which is critically important when only trace amounts of samples are available.

Differential pulse stripping voltammetric studies under the maximum current signal experimental conditions were carried out and the trace amount of drugs in the sample were determined.

Out of 40 water samples, trace amount of carbaryl was identified in several samples but were beyond the detection limit.

This method was applied to determine the trace amount of selenium in the samples.

The results showed that MNFs were suitable for pre-concentration and determination of trace amount of MG in wastewater samples.

For the first time, on-line and ultra-sensitive determination of trace amount of diclofenac in whole blood sample was performed by coupling of electromembrane extraction (EME) and stripping fast Fourier transform continuous cyclic voltammetry (SFFTCCV).

The merit figures, compared with other methods, showed that new proposed method is an accurate, precise and reliable sample-pretreatment method that substantially reduces sample matrix interference and gives very good enrichment factors and detection limits for investigation trace amount of patulin in apple-juice samples.

In the current work, an efficient method named solvent bar microextraction-high performance liquid chromatography-UV detection (HPLC-UV) was developed for preconcentration and determining the trace amount of vincristine (VCR) in biological samples such as plasma and urine.

Our previous study [5] found that although anthraquinones existed in all rhubarb samples, some rhubarb samples had only trace amount of sennoside A and sennoside B and are thus inactive.

These probes are potentially applied in an analytical application for detecting the trace amount of Cu2+ ions in real water samples.