26 research outputs found
The Effect of School-based Practice on Student Teachers' Attitudes Towards Inclusion in Northern Ireland.
Student Teachers' Perceptions about Inclusive Classroom Teaching in Northern Ireland Prior to Teaching Practice Experience
Eye in the Sky
This project is separated into two parts: an unmanned aerial vehicle (UAV) and a corresponding capsule. The UAV will be stored in the capsule as the pair is released from underwater and floats to the surface where the capsule will autonomously open and discharge the drone. Following release, the UAV will fly up and record video surveillance of the surrounding area. Finally, the UAV will record the data onto a micro SD card inserted in the monitor that shows the cameraâs live feed. The objective is to design, build, test, and finalize a UAV and capsule that meet NUWCâs, the customer, specifications as much as possible. The overarching design for this system consists of a cylindrical capsule with chambers for the drone, electronic controls, controlled air flow, and the tank of compressed air. An Arduino UNO is programmed to trigger the flow of air that pushes the drone out after a certain number of seconds. The UAV is a quadcopter whose arms spread open by a simple spring mechanism once ejected from the capsule but sits linearly while inside the capsule. The capsule has been manufactured from aluminum and the drone uses the Vortex 250 Pro as a base but has been modified to feature the required fold-able arms. Testing has shown that the capsule functions as expected. It floats to the surface, maintains a vertical position, and ejects the UAV after the programmed number of seconds. Testing has also shown that the UAVâs physical body also functions as expected in terms of its arms springing open when no longer constrained within the capsule. Photos and videos have been successfully recorded onto the monitor. The droneâs flight was not tested due to unforeseen and currently unresolved software issues. Overall, if the drone was capable of flight, the team would expect the system to work well as a whole
Integrative âomicâ analysis reveals distinctive cold responses in leaves and roots of strawberry, Fragaria Ă ananassa âKoronaâ
Copyright © 2015 Koehler, Rohloff, Wilson, Kopka, Erban, Winge, Bones, Davik, Alsheikh and Randall. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
*Correspondence: Stephen K. Randall, Department of Biology, Indiana UniversityâPurdue University Indianapolis, 723 West Michigan Street, Indianapolis, IN 46202-5132, USA, [email protected] assess underlying metabolic processes and regulatory mechanisms during cold exposure of strawberry, integrative âomicâ approaches were applied to Fragaria Ă ananassa Duch. âKorona.â Both root and leaf tissues were examined for responses to the cold acclimation processes. Levels of metabolites, proteins, and transcripts in tissues from plants grown at 18°C were compared to those following 1â10 days of cold (2°C) exposure. When leaves and roots were subjected to GC/TOF-MS-based metabolite profiling, about 160 compounds comprising mostly structurally annotated primary and secondary metabolites, were found. Overall, âKoronaâ showed a modest increase of protective metabolites such as amino acids (aspartic acid, leucine, isoleucine, and valine), pentoses, phosphorylated and non-phosphorylated hexoses, and distinct compounds of the raffinose pathway (galactinol and raffinose). Distinctive responses were observed in roots and leaves. By 2DE proteomics a total of 845 spots were observed in leaves; 4.6% changed significantly in response to cold. Twenty-one proteins were identified, many of which were associated with general metabolism or photosynthesis. Transcript levels in leaves were determined by microarray, where dozens of cold associated transcripts were quantitatively characterized, and levels of several potential key contributors (e.g., the dehydrin COR47 and GADb) to cold tolerance were confirmed by qRT-PCR. Cold responses are placed within the existing knowledge base of low temperature-induced changes in plants, allowing an evaluation of the uniqueness or generality of Fragaria responses in photosynthetic tissues. Overall, the cold response characteristics of âKoronaâ are consistent with a moderately cold tolerant plant
Suono e Spettacolo. Athanasius Kircher, un percorso nelle Immagini sonore.
The Society of Jesus made great propaganda efforts throughout the seventeenth century and chose the images and the play as a privileged means to communicate and persuade. Athanasius Kircher, a key figure of the seventeenth century, he decided to dominate the wild nature of sound through Phonurgia Nova, which includes a gallery of powerful symbolic images for Baroque aesthetics. The essay, through the grant of the images from the Library of the Department of Mathematics "Guido Castelnuovo" Sapienza University of Rome, aims to understand, through the pictures offered by Kircher, the sound phenomenon and the spectacle that this produces. In Phonurgia Nova a process of dramatization sound effects takes place, often through machines and "visions" applied to the theatrical reality, as experimental and astonishing environment beloved in baroque. Kircher illustrates the sound through explanatory figures, so to dominate the sound through the eyes. Sound is seen, admired and represented: its spectacle not only takes place through the implementation of sound machines or the "wonders" applied to the theater, but even through images, creating create a sense of wonder in in the erudite person of the seventeenth century
Mechanisms and ecological implications of plant-mediated interactions between belowground and aboveground insect herbivores
THE PROVISION OF SUPPLEMENTARY SERVICES IN SELECTED STATES APPLICABLE TO THE SUPPLEMENTARY SERVICE UNITS IN NEBRASKA
Abstract not availabl
The IDA/IDA-LIKE and PIP/PIP-LIKE gene families in Arabidopsis: phylogenetic relationship, expression patterns and transcriptional effect of the PIPL3 peptide
Peptide ligands play crucial roles in the life cycle of plants by modulating the innate immunity against pathogens and regulating growth and developmental processes. One well-studied example is INFLORESCENCE DEFICIENT IN ABSCISSION (IDA), which controls floral organ abscission and lateral root emergence in Arabidopsis thaliana. IDA belongs to a family of five additional IDA-LIKE (IDL) members that have all been suggested to be involved in regulation of Arabidopsis development. Here we present three novel members of the IDL subfamily and show that two of them are strongly and rapidly induced by different biotic and abiotic stresses. Furthermore, we provide data that the recently identified PAMP-INDUCED SECRETED PEPTIDE (PIP) and PIP-LIKE (PIPL) peptides, which show similarity to the IDL and C-TERMINALLY ENCODED PEPTIDE (CEP) peptides, are not only involved in innate immune response in Arabidopsis but are also induced by abiotic stress. Expression patterns of the IDA/IDL and PIP/PIPL genes were analysed using in silico data, qRT-PCR and GUS promoter lines. Transcriptomic responses to PIPL3 peptide treatment suggested a role in regulation of biotic stress responses and cell wall modification
Metabolite profiling reveals novel multi-level cold responses in the model Fragaria vesca (woodland strawberry)
Winter freezing damage is a crucial factor in overwintering crops such as the octoploid strawberry (Fragaria Ă ananassa Duch.) when grown in a perennial cultivation system. Our study aimed at assessing metabolic processes and regulatory mechanisms in the close-related diploid model woodland strawberry (Fragaria vesca L.) during a 10-days cold acclimation experiment. Based on gas chromatography/ time-of-flight-mass spectrometry (GC/TOF-MS) metabolite profiling of three F. vesca genotypes, clear distinctions could be made between leaves and non-photosynthesizing roots, underscoring the evolvement of organ-dependent cold acclimation strategies. Carbohydrate and amino acid metabolism, photosynthetic acclimation, and antioxidant and detoxification systems (ascorbate pathway) were strongly affected. Metabolic changes in F. vesca included the strong modulation of central metabolism, and induction of osmotically-active sugars (fructose, glucose), amino acids (aspartatic acid), and amines (putrescine). In contrast, a distinct impact on the amino acid proline, known to be cold-induced in other plant systems, was conspicuously absent. Levels of galactinol and raffinose, key metabolites of the cold-inducible raffinose pathway, were drastically enhanced in both leaves and roots throughout the cold acclimation period of 10 days. Furthermore, initial freezing tests and multifaceted GC/TOF-MS data processing (Venn diagrams, Independent Component Analysis, Hierarchical Clustering) showed that changes in metabolite pools of cold-acclimated F. vesca were clearly influenced by genotype