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Novel light-activated antibacterial screen protectors were produced from commercially available protectors by a simple dye functionalization process. The screen protectors were shown to be effective against Escherichia coli and an epidemic strain of methicillin-resistant Staphylococcus aureus, EMRSA-16 under white light conditions. UV–vis spectroscopy and Fourier transform infrared spectroscopy showed...
The development of a reliable sensitive method for the HPLC determination of 5-aminolaevulinic acid (ALA) and ALA esters in cell lysates is described. The method relies on the quantification of a fluorescent derivative of ALA following its derivatisation with acetylacetone and formaldehyde. Following this procedure it is possible to quantify ALA in cell lysates with no need for pre-purification of...
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