Search results - 268 results
Characterization of suspected dermal fillers containing hyaluronic acid
validation of a specific identification and quantification method is described. The proposed method utilizes an essential pre-extraction step prior to identification by infra-red spectroscopy followed by an ...
Development and validation of a HS/GC-MS method for the simultaneous analysis of diacetyl and acetylpropionyl in electronic cigarette refills
method methodology methods ON profile public public health Public-health Quality Quality Control Quantification SAFETY Sample Samples SCREENING study tobacco toxicity Toxicology use VALIDATION Abstract: ...
Multi-laboratory validation study of multilocus variable-number tandem repeat analysis (MLVA) for Salmonella enterica serovar Enteritidis, 2015.
method was limited. The raw fragment length data were consistent throughout, and the inter-laboratory validation helped to standardise the conversion of raw data to repeat numbers with at least two ...
Clustering and diagnostic modelling of slimming aids based on chromatographic and mass spectrometric fingerprints
photodiode array detection (UPLC- PDA) and an ultra-performance liquid chromatography mass spectrometry (UPLC- MS) method were developed to analyze 92 slimming aids (confiscated by customs), aimed at acquiring ...
Towards the development of innovative multi-mycotoxin reference materials as promising metrological tool for emerging and regulated mycotoxin analyses.
Keywords: Animals Chromatography, Liquid Food Analysis Mycotoxins Reference Standards Tandem Mass Spectrometry Temperature Abstract: The interest in LC- MS / MS multi-mycotoxin methods unveiled an urgent need ...
Matrix-Assisted Laser Desorption Ionization-Time of Flight Mass Spectrometry for Combined Species Identification and Drug Sensitivity Testing in Mycobacteria.
results to current gold-standard methods. Drug susceptibility was tested for rifampin, isoniazid, linezolid, and ethambutol (M. tuberculosis, n = 39), and clarithromycin and rifabutin (NTM, n = 33). ...
Validity and Reproducibility of a Food Frequency Questionnaire for Dietary Factors Related to Colorectal Cancer
weeks to evaluate reproducibility (FFQ1 and FFQ2). The validity of the FFQ was assessed by comparing FFQ1 against the 3-day diary method (3 DD). A total of 162 respondents (mean age 57.5 years) provided ...
Antimicrobial resistance surveillance in Escherichia coli by using normalized resistance interpretation.
not susceptible. CONCLUSIONS: NRI was shown to be a valid method to define the WT population for disk diffusion outcomes, provided a normal distribution of the susceptible bacterial species population is present. ...
A simple dilute and shoot methodology for the identification and quantification of illegal insulin
according to the validation criteria, put forward by the United Nations (UN), for the analysis of seized illicit drugs. The proposed identification and quantification method is currently being used in our ...
Determination of total Ti in candy
values were similar compared with more abundant isotopes. The method was validated for different kind of sweets, with a broad application domain (0.16 mg Ti/kg – 390 mg Ti/kg) and resulted in an expanded ...