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Nitrogen And Phosphorus Availability From Various Composted Wastes For Use In Irish Agriculture And Horticulture, Alan Lee Feb 2016

Nitrogen And Phosphorus Availability From Various Composted Wastes For Use In Irish Agriculture And Horticulture, Alan Lee

Doctoral

Current environmental EU legislation promotes recycling and recovery from organic waste products. Compost has been identified as an alternative to inorganic fertilisers and animal slurries as a nutrient source for crop plants. This study aimed to investigate nitrogen (N) and phosphorus (P) availability from various composted waste through detailed characterisations, complemented by short term lab incubations and long term plant growth experiments. Twenty-five composts were selected and classified by their groups. The composts were characterised by multiple different analytical techniques. Two incubation studies were conducted. One investigating N and P mineralisation potential of the composts and the second on the …


The Synthesis And Applications Of [2.2]Paracyclophane Derivatives, Craig Hicks Jan 2016

The Synthesis And Applications Of [2.2]Paracyclophane Derivatives, Craig Hicks

Doctoral

This work concerns the preparation of novel [2.2]paracyclophane derivatives intended for use as asymmetric ligands and investigations into surface coatings prepared from [2.2]paracylophanes. This begins with a general introduction to enantioselective synthesis, followed by a review of relevant reported ligands based on the [2.2]paracyclophane framework and their applications. Next is described the preparation of novel ligands based on the [2.2]paracyclophane structure. Starting with the preparation of a range of mono and disubstituted [2.2]paracyclophanes, including several novel analogues, this moves on to investigating resolution procedures where a novel method for the preparation of enantiopure 4-bromo[2.2]paracyclophane is described. The coupling of prepared …