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In this article, we present a review of the published and non-published information about the evidence of figurative art ascribed to the Early Formative Period (1500-1000 b. C.) in the North and North-Central Coast of th...

A simple and rapid procedure has been developed and validated for the simultaneous determination of benzoylecgonine and ecgonine methyl ester in human urine samples. After extraction and sample cleanup by solid-phase ext...

The propensity score is the probability of treatment assignment conditional on observed baseline characteristics. The propensity score allows one to design and analyze an observational (nonrandomized) study so that it mi...

Part I: Molecular Biology of Cancer Molecular Methods in Oncology Section 1. Amplification Techniques Section 2. RNA Interference Section 3. cDNA arrays Section 4. Tissue arrays Section 5. Cytogenetics Section 6. Bioinfo...

The outbreak of a novel coronavirus (2019-nCoV) represents a pandemic threat that has been declared a public health emergency of international concern. The CoV spike (S) glycoprotein is a key target for vaccines, therape...

Since the classical molecular dynamics simulator LAMMPS was released as an open source code in 2004, it has become a widely-used tool for particle-based modeling of materials at length scales ranging from atomic to mesos...

Semiconductor nanocrystals were prepared for use as fluorescent probes in biological staining and diagnostics. Compared with conventional fluorophores, the nanocrystals have a narrow, tunable, symmetric emission spectrum...