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An analytical method for Fe(II) and Fe(III) determination in pharmaceutical grade iron sucrose complex and sodium ferric gluconate complex
A robust voltammetric method has been developed and validated for the determination of Fe(II) and Fe(III) in pharmaceutical iron polysaccharidic complexes and can be proposed as a viable, environmentally sustainable substitute for the conventional Normal Pulse Polarographic method in US Pharmacopeia with better analytical figures of merit, and reduced Hg consumption. Expand
Silver nanoparticles synthesized and coated with pectin: An ideal compromise for anti-bacterial and anti-biofilm action combined with wound-healing properties.
The synthesis of Ag nanoparticles from Ag+ has been investigated, with pectin acting both as reductant and coating.∼100% Ag+ to Ag(0) one-pot conversion was obtained, yielding p-AgNP, i.e. an aqueousExpand
Voltammetric determination of inorganic As(III) and total inorganic As in natural waters
Abstract The paper describes a voltammetric method for the determination of As(III) and total inorganic As at ppb and sub ppb level using cathodic stripping voltammetry. This method is based on theExpand
Voltammetric platform for detection of 2,4,6-trinitrotoluene based on a molecularly imprinted polymer
An electrochemical platform with good characteristics of low dimension, fast response, low cost, and high selectivity for in situ determinations for determination of explosive substances as 2,4,6-trinitrotoluene is developed. Expand
The detection of gunshot residues in the nasal mucus of suspected shooters
These first results proving that both Sb and Ba were qualitatively detectable in the nasal mucus of shooters indicate that the chemical analysis of the noses of suspected shooters may represent a promising tool in the forensic field since it is less burdened by problems related to sampling or contamination than the usual sampling on hand, providing that ammunitions employed contain Ba and Sb. Expand
Increased Antibacterial and Antibiofilm Properties of Silver Nanoparticles Using Silver Fluoride as Precursor
Silver nanoparticles produced with AgF as the starting Ag(I) salt display an increased antibacterial activity against E. coli PHL628 and Staphylococcus epidermidis RP62A and an evident synergy between p-AgNP and the F− anion increases the antibacterial power of the p- AgNP solutions even when F− is just 10 µM, a concentration at which F− alone is completely ineffective. Expand
Analytical application of carbon nanotubes, fullerenes and nanodiamonds in nanomaterials-based chromatographic stationary phases: a review.
An overview of the most significative results so far attained in the application of carbon nanotubes, fullerenes and nanodiamonds as chromatographic separation media is presented, paying also attention to recently developed stationary phases for fast chromatography and nanochromatography. Expand
Multiwalled carbon nanotube chemically modified gold electrode for inorganic As speciation and Bi(III) determination.
A mechanism for As(III) preconcentration at the electrode is proposed and supported by results obtained by two similar chemically modified electrodes (CMEs), the first one prepared with single-walled carbon nanotubes and the second one with a monolayer of (biphenyl)dimethanethiol. Expand
Separation of alkanes and aromatic compounds by packed column gas chromatography using functionalized multi-walled carbon nanotubes as stationary phases.
The derivatization process of the pristine nanotubes was a key factor to achieve a successful separation of both the light n-alkanes and related isomers and Satisfactory results were similarly obtained in the case of separation of aromatic hydrocarbons. Expand
Novel naphthalene diimides as activatable precursors of bisalkylating agents, by reduction and base catalysis.
Under mild reduction, induced by S2O4(2-) in aqueous solution, the resulting NDI radical anion (NDI*-) undergoes a monomolecular fragmentation to yield a new transient species, where the NDI radicals are tethered to a quinone methide moiety. Expand