The chemical reactions occurring in the thermal treatment of bisphenol-A polycarbonate (PC) and poly(methyl methacrylate) (PMMA) blends have been investigated by nuclear magnetic resonance (NMR), mass spectrometry (MS), size exclusion chromatography (SEC), and thermogravimetry (TG). Our results...
the bonding energy (or bond strength) only decays with time. The reason for why the bonding energy of a chemical bond only decays rather than getting stronger is because that the mass-density of a planet-occurring atom only decreases as the result ...
The ΔEH–L, chemical hardness (η), Eint and relaxation energy were calculated for amphibactin–Fe3+, amphibactin–Fe2+, 3H protonated amphibactin–Fe2+ and 6H protonated amphibactin–Fe2+ respectively (Table 4). The protonation of reduced amphibactin–Fe complex was done first by the addit...
Cell-free transcription–translation systems have great potential for biosensing, yet the range of detectable chemicals is limited. Here we provide a workflow to expand the range of molecules detectable by cell-free biosensors through combining synthetic
Most recently it has been shown that this reaction, occurring in red blood cells, is associated with processes that reduce platelet activity (decreases activation), consistent with either free NO or an S-nitrosothiol-containing species being the active agent (36, 37). A proposed reaction ...
The excess of reactive N introduced into the ecosystems has been increasingly recognized as a threat to biodiversity and to ecosystem function and resilience, affecting processes occurring in the atmosphere, oceans and terrestrial habitats (Bobbink et al., 2010; Steffen et al., 2015). Gaseous NH3...
Traditionally, electrochemistry is concerned with charge-transfer reactions occurring across a 2-dimensional interface. Indeed, at any macroscopic two-phase boundary, the magnitude, direction and driving force for current density can be described relatively unambiguously. As early as 1933 [1], workers ...
Nutraceuticals are naturally occurring compounds that have potential health benefits and are found in food sources such as fruits, vegetables, and herbs73. With the rise of chronic diseases such as diabetes, cardiovascular disease, and cancer, there is a growing interest in the use of ...
cycles until the third cycle, where the active lithium loss becomes significant. The abovementioned analysis of electrochemical data indicates that the irreversibility of the reactions occurring at the anode follows the following order: LGPS > LPSCl, LSiPSCl > LPS, with LGPS being the ...
In the case of the non-target approach used in this work, the focus of the study was on the analysis of the (relative) changes of concentrations occurring after Daphnia magna under bisphenol A exposure. Accurate analytical estimations of the metabolite absolute concentrations were not intended, on...