Durable Surface Modification of Low-Density Polyethylene/Nano-Silica Composite Films with Bacterial Antifouling and Liquid-Repelling Properties for Food Hygiene and Safety.

The growing prevalence of antimicrobial resistance in bacterial strains has increased the demand for preventing biological deterioration on the surfaces of films used in applications involving food contact materials (FCMs). Herein, we prepared superhydrophobic film surfaces using a casting process that involved the combination of low-density polyethylene (LDPE) with solutions containing surface energy-reducing silica (SRS). The bacterial antifouling properties of the modified film surfaces were evaluated using O157:H7 and via the dip-inoculation technique.

Nickel affects gill and muscle development in oriental fire-bellied toad (Bombina orientalis) embryos.

The developmental toxicity of nickel was examined in the embryos of Bombina orientalis, a common amphibian in Korea. Based on a standard frog embryo teratogenesis assay, the LC and EC for malformation of nickel after 168h of treatment were 33.8μM and 5.

Developmental and acute toxicity of cetylpyridinium chloride in Bombina orientalis (Amphibia: Anura).

In an effort to evaluate the toxicity of cetylpyridinium chloride (CPC), a cationic surfactant in amphibians, we examined the developmental and acute toxicity of CPC in Bombina orientalis embryos and tadpoles. Embryonic exposure to 2.0μM (0.

External control of exhalation for cough assistance: a method for patients with glottis dysfunction and/or tracheostomy.

Objective: To investigate the effectiveness of our method of assisting a cough by mimicking the functions of the glottis in patients with bulbar muscle weakness or paralysis and/or those who had a tracheostomy tube.

Design: Before-after trial.

Setting: University rehabilitation hospital.

Personalized healthcare comment service for hypertension patients using mobile device.

Hypotension and hypertension are chronic diseases, which can be effectively prevented and controlled by constantly monitoring. In this study, personalized healthcare comment service for hypertension patients is proposed and implemented. We have developed algorithms of health state code generation and doctor's comments for patients on case-by-case basis.