Search results - 175 results

Novel prediction models for genotoxicity based on biomarker genes in human HepaRG™ cells.

forest (RF), was evaluated. More specifically, the predictive accuracy was compared, the sensitivity to outliers for one or more biomarker genes was assessed, and the prediction performance for 10 ...

The analysis of cannabinoids in e-cigarette liquids using LC-HRAM-MS and LC-UV.

using the ‘total error’ approach, applying accuracy profiles and conforming to ISO17025. None of the analysed samples exceeded the legal limit for the total amount of ∆9- THC present. However, of the 20 ...

Protocol for a systematic review and meta-analysis of the diagnostic test accuracy of host and HPV DNA methylation in cervical cancer screening and management.

a test to diagnose cervical intraepithelial neoplasia (CIN); we present a protocol to evaluate the accuracy of methylation markers to detect high-grade CIN and cervical cancer. METHODS AND ANALYSIS: We ...

THE ANALYSIS OF ILLICIT DRUGS COLLECTED DURING A SUMMER FESTIVAL AND EVALUATION OF THE NARCOREADER FOR ON-SITE ANALYSIS OF MDMA

spectroscopic methods with as a downside the lack of accuracy and selectivity. The law still requires confirmation of these results with chromatographic methods. These conventional methods are precise but ...

Comparison and validation of metadta for meta-analysis of diagnostic test accuracy studies.

meta-regression, and network meta-analysis of diagnostic test accuracy studies in Stata. Using data from published meta-analyses, we validate metadta by comparing and contrasting its features and output to popular ...

The analysis of cannabinoids in e-cigarette liquids using LC-HRAM-MS and LC-UV

applying accuracy profiles and conforming to ISO17025. None of the analysed samples exceeded the legal limit for the total amount of ∆9- THC present. However, of the 20 CBD-liquids investigated in this ...

Using random-forest multiple imputation to address bias of self-reported anthropometric measures, hypertension and hypercholesterolemia in the Belgian health interview survey

regression model’s accuracy was poor, multiple imputation was the only approach which provided smaller standard errors than those based on clinical data. CONCLUSIONS: The random-forest multiple imputation ...

Challenges in Drug Surveillance: Strengthening the Analysis of New Psychoactive Substances by Harmonizing Drug Checking Services in Proficiency Testing.

chromatography-mass spectrometry (GC- MS) and liquid chromatography with diode array detector (LC- DAD). RESULTS: The proficiency test scores range from 80 to 97.5% accuracy. The most common issues and errors are ...

Papilloplex HR-HPV test has non-inferior clinical performance for detection of human papillomavirus infection: assessment using the VALGENT framework.

cervical specimens stored in SurePath medium fulfils the international clinical accuracy criteria for use in cervical cancer screening. Health Topics:  Quality of healthcare Cancer Qualité des soins de santé ...

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