Sentence examples for substance samples from inspiring English sources
It consists of PubChem Compound (unique structures), PubChem BioAssay (assay results), and PubChem Substance (samples supplied by depositors).
Results from biological experiments performed on the substance samples are stored in the PubChem BioAssay database (accession: AID).
Because acetone is a highly volatile substance, samples should be kept in a closed container.
Isoelectric focusing studies demonstrated that all analyzed drug substance samples had the same main band mobility confirming the identity.
All drug substance samples analyzed by N-terminal Edman sequencing yielded the expected N-terminal sequence corresponding to the theoretical sequence of filgrastim (Met-Thr-Pro-Leu-Gly-Pro-Ala).
To assure that the test substance sample is homogeneous it may be necessary to gently warm up the sample under shaking before an aliquot is removed for C-analysis or addition to the degradation test.
In this case, the drug substance sample was first analyzed using LC MSn through which the unknown species was found to be a valeryl-containing, isomeric impurity of the active pharmaceutical ingredient (API), betamethasone 17-valerate, based on its molecular ion and major fragments.
Analyses of the likelihood that substance dependent samples would be distinguished from control samples by this principal component based on chance yield p = 0.00003 and p = 0.057 probabilities in European- and African-American samples, respectively (data not shown).
To determine the bioavailability of each substance, brain samples analyzed at 2, 4 and 8 hours after intraperitoneal administration of synthetic IPAM (n = 6), melatonin (n = 6) or IPA (n = 6) to 1 month old male Sprague-Dawley rats.
According to the chromatographic peak of monosaccharides reference substance and samples, the composition of the monosaccharides in PHP was identified.
The prevalence of alcohol and other psychoactive substances is high in biological specimens from injured drivers, while the prevalence of these psychoactive substances in samples from drivers in normal traffic is low.
