title: Review: Fluoroarylphosphines as ligands

authors: Pollock, Ciara L.

subjects: fluoroaryl

abstract: This short review concentrates on important aspects of fluoroarylphosphines, in particular their synthesis, ligand properties and chemical and catalytic properties of their complexes. Although the electronic, steric and chemical properties of fluoroarylphosphines have been known for 30 years, their use as ligands for homogeneous catalysis and in the synthesis of elaborate multidentate ligands has occurred more recently. The number of recent reports suggests that their importance is growing.

text: Review: Fluoroarylphosphines as ligands This short review concentrates on important aspects of fluoroarylphosphines, in particular their synthesis, ligand properties and chemical and catalytic properties of their complexes. Although the electronic, steric and chemical properties of fluoroarylphosphines have been known for 30 years, their use as ligands for homogeneous catalysis and in the synthesis of elaborate multidentate ligands has occurred more recently. The number of recent reports suggests that their importance is growing.

year: 2008

title: Growth and turion formation of Potamogeton crispus in response to different phosphorus concentrations in water

authors: Wang, Lei

subjects: carbohydrate

abstract: The vegetative growth and turion formation of Potamogeton crispus, a submersed aquatic macrophyte, was investigated under a range of phosphorus (P) concentrations (0. 025, 0. 25, 2. 5 and 25 mg P L⁻¹) in the ambient water free of algae, aiming to identify the responses of submersed aquatic macrophytes to nutrient enrichment, a common eutrophication problem in China and worldwide. Plant growth was not affected by different P concentrations in terms of biomass accumulation of stems and leaves. However, the contents of chlorophyll a and starch in plants decreased with increasing water P levels, whereas chlorophyll b and carotenoids declined with P level ranging from 0. 025 to 2. 5 mg P L⁻¹. The soluble sugar content decreased when water P concentration increased up to 2. 5 mg L⁻¹. The P content in plants increased with increasing water P levels, whereas plant N content decreased and soluble protein increased when water P concentration increased over 0. 25 mg L⁻¹, implying that P. crispus may have modified its metabolism to adapt to water P availability. When P concentration increased to 25 mg L⁻¹, the number and dry matter production of turions per plant decreased significantly. Meanwhile, there was a significant reduction in turion weight and the accumulations of soluble sugar and starch in turion, when water P concentration was over 0. 25 mg L⁻¹. The results suggest that turion formation in P. crispus is sensitive to P concentration in the ambient water, and high P levels may lead to decreases in P. crispus populations due to the decline in turion production.

text: Growth and turion formation of Potamogeton crispus in response to different phosphorus concentrations in water The vegetative growth and turion formation of Potamogeton crispus, a submersed aquatic macrophyte, was investigated under a range of phosphorus (P) concentrations (0. 025, 0. 25, 2. 5 and 25 mg P L⁻¹) in the ambient water free of algae, aiming to identify the responses of submersed aquatic macrophytes to nutrient enrichment, a common eutrophication problem in China and worldwide. Plant growth was not affected by different P concentrations in terms of biomass accumulation of stems and leaves. However, the contents of chlorophyll a and starch in plants decreased with increasing water P levels, whereas chlorophyll b and carotenoids declined with P level ranging from 0. 025 to 2. 5 mg P L⁻¹. The soluble sugar content decreased when water P concentration increased up to 2. 5 mg L⁻¹. The P content in plants increased with increasing water P levels, whereas plant N content decreased and soluble protein increased when water P concentration increased over 0. 25 mg L⁻¹, implying that P. crispus may have modified its metabolism to adapt to water P availability. When P concentration increased to 25 mg L⁻¹, the number and dry matter production of turions per plant decreased significantly. Meanwhile, there was a significant reduction in turion weight and the accumulations of soluble sugar and starch in turion, when water P concentration was over 0. 25 mg L⁻¹. The results suggest that turion formation in P. crispus is sensitive to P concentration in the ambient water, and high P levels may lead to decreases in P. crispus populations due to the decline in turion production.

year: 2013

title: The baskets of knowledge: A curriculum for an indigenous psychology

authors: Waitoki, Waikaremoana

abstract: Through the chapters in this book we have walked alongside Ripeka and her whānau. We have taken a journey into potentiality; that of Ripeka’s as well as our own. Our introduction to this book asked what would happen when we witnessed Ripeka through our eyes as a Māori psychologist, when diverse and multi-layered cultural contexts form our starting point. What would happen when we understood the interconnectedness of whakapapa, and tikanga to Ripeka’s past, present and future and how they could be used to guide pathways forward? We asked what would happen when we viewed Ripeka and her whānau through a lens of unrelenting hope and unrealised potential. If all those things happened, what value are we able to add as Māori psychologists to Ripeka’s life, and to that of her whānau?

text: The baskets of knowledge: A curriculum for an indigenous psychology Through the chapters in this book we have walked alongside Ripeka and her whānau. We have taken a journey into potentiality; that of Ripeka’s as well as our own. Our introduction to this book asked what would happen when we witnessed Ripeka through our eyes as a Māori psychologist, when diverse and multi-layered cultural contexts form our starting point. What would happen when we understood the interconnectedness of whakapapa, and tikanga to Ripeka’s past, present and future and how they could be used to guide pathways forward? We asked what would happen when we viewed Ripeka and her whānau through a lens of unrelenting hope and unrealised potential. If all those things happened, what value are we able to add as Māori psychologists to Ripeka’s life, and to that of her whānau?

year: 2016