The purpose of this study was to investigate the effects of oral care using simple tools and methods on the cleanliness of the oral cavity in the elderly. Enrolled were 84 elderly subjects with a mean (+/-S.D) age of 85.1+/-7.0 years in a nursing home. They were given tongue and oral mucosa cleaning (the oral care) after lunch every day or every other day for two consecutive weeks by the author...

A study of sulfur-rich sludge (71.6% pyrite) dissolution at alkaline conditions (pH ca.9) was investigated using non-stirred and stirred flow-through experiments at room temperature (26 ± 1.2oC) and O2 partial pressure of 0.20 atm. The dissolution rate of pyrite-rich sludge was calculated based on the S release (aqueous SO4) at the steady-state. Results show that: (1) in the nonstirred reactor ...

Waters from an extensive sulfide-rich aquifer emerge in the Frasassi cave system, where they mix with oxygen-rich percolating water and cave air over a large surface area. The actively forming cave complex hosts a microbial community, including conspicuous white biofilms coating surfaces in cave streams, that is isolated from surface sources of C and N. Two distinct biofilm morphologies were ob...

OBJECTIVES The aim of this study was to investigate the parameters of halitosis and sialometry in patients who had undergone head and neck radiotherapy, correlating oral concentration of volatile sulfur compounds (VSC) with the presence of tongue coating, salivary flow rate and BANA test. MATERIAL AND METHODS 35 patients allocated in two groups were examined: group I (control)--patients with ...

Magnesium-sulfur batteries have developed as a new and emerging technology benefiting from high energy density, low cost, reasonable safety, excellent storage due to the natural abundance of electrochemically active materials dendrite formation in magnesium. Here we report various enhancement strategies also focus on using carbon electrodes, coating layers over cathodes, nanotubes, reduced grap...

The effects of irradiation, ultrahigh pressure and ultraviolet combined coating (UV-coating) on physicochemical, microbial, sensory volatile flavor compounds low salt sliced bacon under their optimal sterilization conditions were investigated to explore the most suitable treatment for this product. results indicated that effect irradiation was better than UV-coating treatment, nitrite content t...

Abstract Lithium‐sulfur batteries are one of the most promising energy storage devices in future due to their high specific capacity and abundant natural reserves. However, shuttle effect soluble intermediate polysulfide products can lead rapid decay battery capacity, short cycle life serious self‐discharge effect, which hinders development lithium‐sulfur batteries. Here, we coated separator wi...

A nonenzymatic electrochemical sensor is drop casted for sensitive and specific fenitrothion (FT) detection, where a glassy carbon electrode (GCE) modified by depositing an ink containing nitrogen–sulfur co-doped activated carbon-coated multiwalled nanotubes (NS-AC-MWCNTs). We provide method NS-AC-MWCNT synthesis as follows. First, polypyrrole coated on (PPy-MWCNT). Then, the PPy coating carbon...