Cannabis has gained increased use in the United States, outpacing alcohol as Americans' daily recreational drug of choice.

This article from Retsch discusses sample preparation and challenges of mineral analysis in the mining industry.

Large scale proteomic profiling of cell lines can reveal molecular signatures attributed to variable genotypes or induced perturbations, enabling proteogenomic associations and elucidation of ...

Sample Solutions was founded in 2010 and provides online and off-line samples, specialising in hard-to-reach target groups. Clients number more than 300 and include research agencies, consultancies, ...

On June 4, 2025, the U.S. Department of Health and Human Services Office of Research Integrity (“ORI”) published a Sample Policies and Procedures for Addressing Allegations of Research ...

Podcast: New research outlines ten key design and implementation considerations for ESM studies, helping researchers apply this method with clarity, rigor, and real-world relevance.

New class of antibiotic found in soil sample Lariocidin is a lasso peptide that interferes with bacterial ribosomes and is nontoxic to human cells ...

Dr. Ralph Kramer, a pediatrician, conducts routine examinations and vaccinations for children in his office. He assesses a young boy named Carl, checks his blood pressure, and draws blood for ...

Nyimbili, F., & Nyimbili, L. (2024). Types of Purposive Sampling Techniques with Their Examples and Application in Qualitative Research Studies. British Journal of Multidisciplinary and Advanced ...

(NewsNation) — As the 2024 presidential election fast approaches, NewsNation has you covered with all you need to know ahead of the race to the White House. For first-time voters, familiarizing ...

Purposive Sampling in a Qualitative Evidence Synthesis A Worked Example from a Synthesis on Parental Perceptions of Vaccination Communication. BMC Medical Research Methodology, 19, Article No. 26.