Optimization of a micro-scale air-liquid-interface model of human proximal airway epithelium for moderate throughput drug screening for SARS-CoV-2.

Background: Many respiratory viruses attack the airway epithelium and cause a wide spectrum of diseases for which we have limited therapies. To date, a few primary human stem cell-based models of the proximal airway have been reported for drug discovery but scaling them up to a higher throughput platform remains a significant challenge. As a result, most of the drug screening assays for respiratory viruses are performed on commercial cell line-based 2D cultures that provide limited translational ability.

Radon mitigation in the workplace in Spain: a cross-sectional interview-based study.

Objective: To evaluate radon mitigation frequency and possible determinants for mitigation among employers in Spain, before the new regulation came into force. We also aimed to assess the reasons for not mitigating radon.

Method: In this cross-sectional study, participants were systematically identified from all employers in Spain who had previously measured occupational radon through the Galician Radon Laboratory from 2015 until 2022.

The role of intramolecular hydrogen bonding in photoelectron circular dichroism: the diastereoisomers of 1-amino-2-indanol.

(1,2)--Aminoindanol and (1,2)--aminoindanol, denoted as -AI and -AI, are diastereoisomer aromatic aminoalcohols differing by the presence of a weak intramolecular hydrogen bond in -AI, which is absent in -AI. They also differ by the number of conformers under supersonic jet conditions, one for -AI and two for -AI. One-photon and resonance-enhanced two-photon photoelectron circular dichroism (PECD) spectra are obtained for the two molecules.

In situ detection of individual classical MHC-I gene products in cancer.

Tumor-specific HLA class I expression is required for cytotoxic T-cell elimination of cancer cells expressing tumor-associated or neo-antigens. Cancers downregulate antigen presentation to avoid adaptive immunity. The highly polymorphic nature of the genes encoding these proteins, coupled with quaternary-structure changes after formalin fixation, complicate detection by immunohistochemistry.

Neophobia and exploration behavior in urban gulls: the Kelp Gulls (Larus dominicanus) as a study case.

Neophobia and exploratory behavior are personality traits through which organisms evaluate and respond to environment changes by adjusting their behavior. The Kelp Gull (Larus dominicanus) is a generalist seabird that consumes a wide variety of prey. Neophobia levels and exploratory behavior in novel circumstances were analyzed in urban adult (n=13) and immature (n=15) Kelp Gulls captured in the landfill of Mar del Plata city.