139 research outputs found
Between and Connection:An Attempt at Sensory Communications in a Specified Enviroment
No full textapplication/pdfAN10052143-20200605-1This is a progress report of the investigational research on the olfactory communication in the 2017 Doshisha Womenʼs College of Liberal Arts research grant. This research comprised four studies: 1. Survey research on the olfactory communication; 2. Design of the olfactory
communication interface; 3. Exhibition of the olfactory communication interface; 4.Questionnaire survey in the exhibition. Through these four studies, this research attempts to examine the possibilities of olfactory communication, which differs from visual and auditory communications. However, this research consists of various exclusive fields (theoretical consideration about sense and communication, theoretical and historical considerations about media and technology, design of interface including the system, space design of display of the
interface, etc.). Therefore, the author, who is a research representative, sought the cooperation of four experts (Koichi Mori (space design), Takehisa Mashimo (interface design), and Akisha Iwaki (theoretical and historical considerations about the olfactory media and technology)) of
the side mentioned above and carried out a collaborative investigation. Thus, this report takes the form of a research project article, which consists of inputs from the author (Chapter 1), Mori (Chapter 2), Mashimo (Chapter 3), and Iwaki (Chapter 4), so that the result of the research theme is clearer. Further, based on all these studies, this is a progress report of the investigational research on the olfactory communication.論文departmental bulletin pape
Onion-like carbon-encapsulated Co, Ni, and Fe magnetic nanoparticles with low cytotoxicity synthesized by a pulsed plasma in a liquid
No full textWe synthesized onion-like carbon-encapsulated Co, Ni, and Fe (Co-C, Ni-C, and Fe-C) magnetic nanoparticles with low cytotoxicity using pulsed plasma in a liquid. The pulsed plasma is induced by a low-voltage spark discharge submerged in a dielectric liquid. The face-centered cubic Co and Ni, and body-centered cubic Fe core nanoparticles showed good crystalline structures with an average size between 20 and 30 nm were encapsulated in onion-like carbon coatings with a thickness of 2-10 nm. Vibrating-sample magnetometer measurements revealed the ferromagnetic properties of as-synthesized samples at room temperature (Co-C=360 Oe, Fe-C=380 Oe, and Ni-C=211 Oe). Raman-spectroscopy analysis found onion-like carbon shells composed of well-organized graphitic structures. Thermal gravimetric analysis showed a high ___________________
*Corresponding author. Tel/Fax: +08052593295. E-mail address: [email protected] (T. Mashimo)
stability of the as-synthesized samples under thermal treatment and oxidation. Cytotoxicity measurements showed higher cancer cell viability than samples synthesized by different methods
Effects of Light and Sound on the Prefrontal Cortex Activation and Emotional Function: A Functional Near-Infrared Spectroscopy Study
No full textWe constructed a near infrared spectroscopy-based real-time feedback system to estimate the subjects' emotional states using the changes in oxygenated hemoglobin concentration [Δ(oxy-Hb)] in the prefrontal cortex (PFC). Using this system, we investigated the influences of continual mild and equivocal stimuli consisting of lights and a reconstructed waterfall sound on Δ[oxy-Hb] in the PFC. The visual (light) and auditory (sound) stimuli changed randomly and independently, depending on the emotional states of the individual subjects. The emotional states induced by the stimuli were examined via a questionnaire rated on an 11-point scale, from +5 (pleasant) to −5 (unpleasant), through 0 (neutral), after the 5-min experiments. Results from 757 subjects revealed that Δ[oxy-Hb] in the PFC exhibited a weak, but significant, correlation with emotional change, with the given continual and mild stimuli similar to that experienced in response to the intense pleasant/unpleasant stimuli. Based on the results we discuss the generation of pleasant/unpleasant weak emotional change induced by mild and weak stimuli such as light and sound
Three-Dimensional Minimal CR Submanifolds of the Sphere S (6) (1) Contained in a Hyperplane
No full text© 2015, Springer Basel. It is well known that the sphere S6(1) admits an almost complex structure J, constructed using the Cayley algebra, which is nearly Kähler. Let M be a Riemannian submanifold of a manifold (Formula Presented.) with an almost complex structure J. It is called a CR submanifold in the sense of Bejancu (Geometry of CR Submanifolds. D. Reidel Publ. Dordrecht, 1986) if there exists a C∞-differentiable holomorphic distribution D1 in the tangent bundle such that its orthogonal complement D2 in the tangent bundle is totally real. If the second fundamental form vanishes on Di, the submanifold is Di-geodesic. The first example of a three-dimensional CR submanifold was constructed by Sekigawa (Tensor N S 41:13–20, 1984). This example was later generalized by Hashimoto and Mashimo (Nagoya Math J 156:171–185, 1999). Note that both the original example as well as its generalizations are D1- and D2-geodesic. Here, we investigate the class of the three-dimensional minimal CR submanifolds M of the nearly Kähler sphere S6(1) which are not linearly full. We show that this class coincides with the class of D1- and D2- geodesic CR submanifolds and we obtain a complete classification of such submanifolds. In particular, we show that apart from one special example, the examples of Hashimoto and Mashimo are the only D1- and D2-geodesic CR submanifolds.sponsorship: Research of the first author is partially supported by the Ministry of Science and Technological Development of Serbia, project 174012. (Ministry of Science and Technological Development of Serbia|174012)status: Publishe
A gold isocyanide complex with a pendant carboxy group: orthogonal molecular arrangements and hypsochromically shifted luminescent mechanochromism
No full textThe epistatic double hydrogen bonds that arise from the presence of a pendant carboxy group in a gold isocyanide complex result in strong aurophilic interactions in a magenta-emitting polymorph. This is due to the lack of the typically antiparallel dimer arrangements, which often prevent the formation of strong aurophilic interactions. Furthermore, this polymorph shows hypsochromically shifted luminescence mechanochromism
100 years Zoraptera : a phantom in insect evolution and the history of its investigation
No full textZoraptera are a cryptic and enigmatic group of insects. The species diversity is lower than in almost all other groups of Hexapoda, but may be distinctly higher than presently known. Several new species were described from different regions recently. The systematic placement was discussed controversially since the group was discovered 100 years ago. Affinities with Isoptera and Psocoptera were discussed in earlier studies. A sister group relationship with Acercaria (Psocodea, Thysanoptera, Hemiptera) was proposed by W. Hennig, for the first time based on a strictly phylogenetic argumentation. More recent studies consistently suggest a placement among the “lower neopteran orders” (Polyneoptera). Close affinities to Dictyoptera were proposed and alternatively a sister group relationship with Embioptera or with Embioptera + Phasmatodea (Eukinolabia), respectively. The precise placement is still controversial and the intraordinal relationships are largely unclear. Recent transcriptome analyses tentatively suggest a clade Zoraptera + Dermaptera as sister group of all other polyneopteran orders. The oldest fossils are from Cretaceous amber. An extinct genus from this era may be the sister group of all the remaining zorapterans. The knowledge of the morphology, development and features related to the reproductive system greatly increased in recent years. The general body morphology is very uniform, whereas the genitalia differ strongly between species. This is likely due to different kinds of selection, i.e. sexual selection in the case of the genital organs. The mating pattern also differs profoundly within the order. A unique external sperm transfer occurs in Zorotypus impolitus. A species-level phylogeny and more investigations of the reproductive system should have high priority
Zorotypus in Peninsular Malaysia (Zoraptera: Zorotypidae), with the description of three new species
No full textThree new species of the uncommonly encountered insect order Zoraptera are described and figured from Peninsular Malaysia—Zorotypus magnicaudelli sp. n., Zorotypus cervicornis sp. n., and Zorotypus impolitus sp. n. Another species from the region, identified as Zorotypus caudelli Karny, 1927, was also collected and is reevaluated herein based on new material. A brief discussion of characters used in zorapteran systematics is provided, and a key to the species of Peninsular Malaysia provided. This is the first report for the order Zoraptera from Peninsular Malaysia
A process evaluation for the HIV/AIDS project for the Mbekweni Area Development Programme
No full textIncludes bibliographical references (leaves 56-59).This dissertation is a process evaluation of Mbekweni Area Development Programme (MADP)'s HIV/AIDS project. The MADP is a programme that is implemented by World Vision South Africa. The aim of the process evaluation was to assess whether the HIV/AIDS project was implemented as intended. HIV/AIDS is a global problem, particularly prominent in South Africa. It has negatively affected families and communities resulting in increased social and economic burdens. The HIV/AIDS project at MADP uses prevention and care programmes to mitigate the impact of HIV/AIDS in targeted areas of Mbekweni. In order to achieve this aim, the project uses the following programme activities: home visitation, home-based care, life skills, material support and awareness campaigns. To conduct the process evaluation, programme records, interviews with three key informants and questionnaires with 35 programme staff were used to assess the programme?s implementation. Findings from the evaluation show that the programme activities are largely being implemented as intended by the organisation. The HIV/AIDS project is being delivered to the intended beneficiaries and all the activities are being implemented as intended by the organisation. However, to improve the effectiveness of the project a structure
Two intromittent organs inZorotypus caudelli(Insecta, Zoraptera): the paradoxical coexistence of an extremely long tube and a large spermatophore
No full textVery unusual genitalia of the species Zorotypus caudelli are described. It contains the unique configuration of two different intromittent organs, one of them strongly elongated. Hyper elongated genitalia are known in different groups of insects. Males have to accommodate these unwieldy structures in the limited spaces of the abdomen and manipulate them acutely during copulation. A crucial question is how do species with elongated genitalia cope with these requirements? To investigate this, we studied key features enabling storage, insertion, and withdrawal of the elongated genitalia. The co-existence of an elongated narrow tube and a bulky spermatophore is a highly unusual and apparently paradoxical condition. However, we demonstrate that the tube is not involved in sperm transmission, whereas the large spermatophore is transferred to females by a membranous fold of the genitalia. The movement of the spermatophore is caused by haemolymph pressure, which likely also promotes the insertion of both intromittent organs. A comparison with the genital anatomy and reproductive mode in related groups suggests that the elongated tube and its accommodating pouch is a de novo structure, and that the ancestral sperm transport via spermatophore is a preadaptive condition for the acquisition of this unusual structure
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