Hydrogen sulfide (H 2 S) in human breath is important for early diagnosis of halitosis and
prevention of oral diseases. The current H 2 S sensors suffer from poor specificity or high …

Lead (II) acetate [Pb (Ac) 2] reacts with hydrogen sulfide to form colored brownish
precipitates of lead sulfide. Thus far, in order to detect leakage of H2S gas in industrial …

Abstract Background The importance of Silver diamine fluoride (SDF) as a minimally
invasive and nonaerosolizing management during COVID-19 pandemic has highly …

Background The success of composite resin restorations depends to a great extent on their
color stability. However, discoloration is still a problem in composite resin restorations …

Discoloration of Resin Composites Induced by Coffee and Tomato Sauce and Subjected to
Surface Polishing: An In Vitro Study - PMC Back to Top Skip to main content NIH NLM Logo …

Purpose To verify the color change and contrast ratio of resin composites after curing and
after 30 days of storage in water. Methods Dentin A2 shades of different light-cured dental …

Hairtail fish samples were stored at different freezing temperatures of− 5° C,− 20° C,− 40° C
and− 80° C. To establish an effective quality evaluation approach for hairtail samples during …

Hydrogen peroxide (H2O2) is commonly used as an oxidizing, bleaching, or antiseptic
agent. It is also hazardous at increased concentrations. It is therefore crucial to monitor the …

Objectives To evaluate the influence of photoactivation distance on color stability and
whiteness changes after bleaching and water storage of a resin-based composite (RBC) …

Brown cotton fiber (BCF) is a unique raw material of naturally colored cotton (NCC). But
characteristics of the regulatory gene network and metabolic components related to the …