chromatographyonline

Method Validation for the Determination of Cocaine Derivatives in Oral Fluid Using PESI and LC–MS

The main objectives of this study were to develop a method for the measurement of cocaine derivatives in oral fluid by coupling a probe electrospray ionization (PESI) source with quadrupole ...
IEEE

Adaptation and Validation of a Questionnaire on Perceived Benefits and Risks of Children's Internet Use

Abstract: The study aimed to adapt and validate a questionnaire designed to assess perceptions of the benefits and risks of internet use among children of preschool and primary school age. The ...
The Lancet

Development and validation of a novel Endoscopic ulcer Activity Score for Evaluation of Crohn's Disease (EASE-CD) using data from two randomised controlled trials

aDivision of Gastroenterology & Hepatology, Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AL, Canada bDepartment of Community Health Sciences, University of ...
IEEE

Validation of Remotely Sensed Evapotranspiration Products Using Optical–Microwave Scintillometer Flux Measurements Over the Heterogeneous Surfaces

Abstract: Accurate estimates of terrestrial evapotranspiration (ET) are critical for regional drought monitoring and water resources management. Various remotely sensed evapotranspiration (RS_ET) ...
GitHub

A flexible, chainable validation rule factory for TypeScript/JavaScript.

Chainable API for building complex validation rules Supports string, number, array, boolean, object, symbol, bigint, null, undefined Customizable error messages Easy ...