Bacillus pyocyaneus produces, according to the conditions, different varieties of pigment of which pyoeyanine is best known and easily isolated because of its solubility in chloroform. This pigment is indigo blue at alkaline reaction, wine-red at acid reaction, and is reducible to a leuco compound by various reductants or in the absence of air by the living bacillus itself, and the leucodye is ...

For the first time, an MIP potentiometric sensor based covalent recognition for determination of protonated dopamine is described.

Experimental CO2 solubility data in brine at high temperatures and pressures are important for capture storage (CCS) applications. Many have been acquired single-salt aqueous solutions such as NaCl, CaCl2, Na2SO4. containing MgCl2 extremely scarce. In this work, new experimental of were acquired. Thirty-three points reported an original range pressure (1.5 to 20 MPa), temperature (323.15, 373.1...

The use of the unified pH concept, abs H 2 O , applicable to aqueous and non-aqueous solutions, which allows interpreting comparison acidity different types requires reliable objective determination. can be determined by a single differential potentiometry measurement referenced an reference buffer or ladder potentiometric measurements that minimisation inconsistencies various determinations. T...

Magnesium assays are being increasingly requested in hospitals and clinical research institutions. The ionized form of magnesium (iMg) is regarded as the biologically active fraction. Ionophore-based potentiometric sensors can determine iMg and apply a selectivity correction for co-existing interfering electrolytes, e.g. Ca 2+ . This technology has been used in several commercial blood analyzer...

Surface molecular imprinting, as compared to molecular imprinted bulk polymers, has the advantages of higher re-occupation percentage of the reception sites, fast response, integration of sensing element and transducer, etc. In this study, a potentiometric protein sensor was developed based on the surface molecular imprinting technique. Using the self-assembled monolayers of alkanethiol with hy...

The use of the unified pH concept, abs H 2 O , applicable to aqueous and non-aqueous solutions, which allows interpreting comparison acidity different types requires reliable objective determination. can be determined by a single differential potentiometry measurement referenced an reference buffer or ladder potentiometric measurements that minimisation inconsistencies various determinations. T...

The host-guest interaction between orthophosphate, pyrophosphate and triphosphate anions and three cyclen-based macrotricyclic ligands was investigated by potentiometric measurements and NMR spectroscopy. The ligands differ from one another by the nature of their spacers, which are 1,3-dimethylbenzene (TMC), 2,6-dimethylpyridine (TPyC) or a combination of the two (TMPyC). In aqueous solution, e...