title: Professional learning in the lives of teachers: towards a new framework for conceptualising teacher learning

authors: Cameron, Sandra

subjects: inservice teachers

abstract: This interpretative study of teachers as learners explored the continuing professional learning of teachers in a range of Australian schools. While teacher learning is regarded as a cornerstone of school reform, knowledge of how and why teachers engage in ongoing learning is scant. Research participants completed an open-ended questionnaire about their professional learning experiences and participated in semi-structured interviews in which they shared their learning narratives. The study found three sets of major influences on teachers’ engagement with professional learning and the quality of that learning. These influences were isolation (both geographic and professional), cost (both educational and emotional), and the professional and personal life stages of teachers. A new descriptive framework through which to understand the intricate interconnections between teacher-learners, professional learning and learning contexts across teaching careers is proposed.

text: Professional learning in the lives of teachers: towards a new framework for conceptualising teacher learning This interpretative study of teachers as learners explored the continuing professional learning of teachers in a range of Australian schools. While teacher learning is regarded as a cornerstone of school reform, knowledge of how and why teachers engage in ongoing learning is scant. Research participants completed an open-ended questionnaire about their professional learning experiences and participated in semi-structured interviews in which they shared their learning narratives. The study found three sets of major influences on teachers’ engagement with professional learning and the quality of that learning. These influences were isolation (both geographic and professional), cost (both educational and emotional), and the professional and personal life stages of teachers. A new descriptive framework through which to understand the intricate interconnections between teacher-learners, professional learning and learning contexts across teaching careers is proposed.

year: 2013

title: Synthesis and reactivity of gold(III) complexes containing cycloaurated iminophosphorane ligands

authors: Kilpin, Kelly Joan

subjects: x-ray crystal structures

abstract: Transmetallation reactions of ortho-mercurated iminophosphoranes (2-ClHgC₆H₄)Ph₂P NR with [AuCl₄]⁻ gives new cycloaurated iminophosphorane complexes of gold(III) (2-Cl₂AuC₆H₄)Ph₂P NR [R = (R,S)- or (S)-CHMePh, p-C₆H₄F, tBu], characterised by NMR and IR spectroscopies, ESI mass spectrometry and an X-ray structure determination on the chiral derivative R = (S)-CHMePh. The chloride ligands of these complexes can be readily replaced by the chelating ligands thiosalicylate and catecholate; the resulting derivatives show markedly higher anti-tumour activity versus P388 murine leukaemia cells compared to the parent chloride complexes. Reaction of (2-Cl₂AuC₆H₄)Ph₂P NPh with PPh₃ results in displacement of a chloride ligand giving the cationic complex [(2-Cl(PPh₃)AuC₆H₄)Ph₂P NPh]⁺, indicating that the P N donor is strongly bonded to the gold centre.

text: Synthesis and reactivity of gold(III) complexes containing cycloaurated iminophosphorane ligands Transmetallation reactions of ortho-mercurated iminophosphoranes (2-ClHgC₆H₄)Ph₂P NR with [AuCl₄]⁻ gives new cycloaurated iminophosphorane complexes of gold(III) (2-Cl₂AuC₆H₄)Ph₂P NR [R = (R,S)- or (S)-CHMePh, p-C₆H₄F, tBu], characterised by NMR and IR spectroscopies, ESI mass spectrometry and an X-ray structure determination on the chiral derivative R = (S)-CHMePh. The chloride ligands of these complexes can be readily replaced by the chelating ligands thiosalicylate and catecholate; the resulting derivatives show markedly higher anti-tumour activity versus P388 murine leukaemia cells compared to the parent chloride complexes. Reaction of (2-Cl₂AuC₆H₄)Ph₂P NPh with PPh₃ results in displacement of a chloride ligand giving the cationic complex [(2-Cl(PPh₃)AuC₆H₄)Ph₂P NPh]⁺, indicating that the P N donor is strongly bonded to the gold centre.

year: 2009

title: An investigation by LA-ICP-MS of possum tooth enamel as a model for identifying childhood geographical locations of historical and archaeological human from New Zealand

authors: Cameron, Kristie Elizabeth

subjects: LA -IC P-MS

abstract: LA -IC P-MS (laser ablation-inductively coupled plasma-mass spectrometry) has been used to analyse enamel from the teeth of brushtail possum (Trichosurus vulpecula) in order to model a method for identifying the childhood geographical origin of human remains within New Zealand. The model application of the method is promising for establishing locations of historical and archaeological human remains, including preserved heads, upoko tuhi.

text: An investigation by LA-ICP-MS of possum tooth enamel as a model for identifying childhood geographical locations of historical and archaeological human from New Zealand LA -IC P-MS (laser ablation-inductively coupled plasma-mass spectrometry) has been used to analyse enamel from the teeth of brushtail possum (Trichosurus vulpecula) in order to model a method for identifying the childhood geographical origin of human remains within New Zealand. The model application of the method is promising for establishing locations of historical and archaeological human remains, including preserved heads, upoko tuhi.

year: 2012