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Mediating role of health literacy in self-care among female college students with menstrual symptoms: a cross-sectional study
Full text linkThis study aimed to determine the mediating role of health literacy in self-care among female college students with menstrual symptoms. The participants were female students at Nagoya University who were aged ≥18 years, and 144 were included in the analysis. We used a questionnaire to investigate menstrual symptoms, self-care for menstruation, and their effect on daily life and health literacy. We defined high health literacy as scores equal to or above the median, and low health literacy as scores below the median, using the total score of the health literacy scale for female of reproductive age. In the high health literacy group, the intensity of menstrual pain and the Menstrual Distress Questionnaire score were significantly higher than those in the low health literacy group. The high health literacy group had significantly more regular menstrual cycles than the low health literacy group. The high health literacy group had a significantly higher rate of taking a contraceptive pill than the low health literacy group. The percentages of female students affected by menstrual symptoms during their academic studies and in non-physical leisure activities were significantly higher in the high health literacy group than in the low health literacy group. The high health literacy group also had significantly higher total self-care scores than the low health literacy group. Moreover, health literacy mediated the relationship between menstrual symptoms and self-care. These results suggest that health literacy is an important factor linking menstrual symptoms to self-care.departmental bulletin pape
Human dental pulp stem cells-derived small extracellular vesicles prevent osteoradionecrosis of the jaw in a rat model
Full text linkRadiotherapy (RT) is an important standard treatment for head and neck cancer. On the other hand, osteoradionecrosis of the jaw (ORNJ), a side effect of RT, is intractable and has been a long-standing problem that needs to be overcome. Cellular senescence has been linked to the development of ORNJ; however, strategies for preventing and treating this disease have not been established. This study aimed to evaluate the effects of human dental pulp stem cell-derived small extracellular vesicles (hDPSC-sEV) on ORNJ. The effects of hDPSC-sEV treatment on rat bone marrow cells (rBMC) were examined in vitro. In addition, hDPSC-sEV were administered intravenously to a rat ORNJ model, and the extraction socket was examined radiologically and histologically. In vitro, rBMC treated with hDPSC-sEV immediately after irradiation showed downregulated expression of senescence-related genes. In vivo, the extraction sockets of the ORNJ models treated with hDPSC-sEV showed more new bone and greater coverage with gingiva relative to those observed in the comparison groups. This study suggests that hDPSC-sEV may inhibit ORNJ development. One possible mechanism is that hDPSC-sEV inhibit radiation-induced cellular senescence.departmental bulletin pape
Feasibility of real-time monitoring for administered activity during Lu-177 infusion by imaging the administration site using a pinhole gamma camera: a Monte Carlo study
No full textObjectives: Using personalized treatment with Lu-177-labeled radiopharmaceuticals, rather than using a fixed activity of 7.4 GBq, the administered radioactivity is adjusted in each patient. Achieving precise control of the administered activity would be possible during Lu-177 infusion if real-time monitoring techniques were possible. However, these techniques are not currently available. In this study, we used Monte Carlo simulations to simulate imaging of the administration site in an arm phantom with a pinhole gamma camera to explore the feasibility of achieving real-time monitoring and control of the administered activity during infusion. Methods: We used the Geant4 toolkit to simulate a compact gamma camera. We simulated the basic performance of the camera within an energy window of 208 keV ± 10% and the imaging of an arm phantom to evaluate the feasibility of visualizing and quantifying the inflow of Lu-177-labeled radiopharmaceutical activity. Results: The spatial resolution with the 1.0-mm pinhole collimator for Lu-177 was 1.8 mm full width at half maximum (FWHM) at 50 mm, whereas it was 1.2 mm FWHM for the 0.5-mm pinhole collimator. Our gamma camera captured the activity of Lu-177 in a 3.0-mm diameter vessel within the arm phantom, achieving measurements in only 1 min. The maximum values among the mean estimation errors of the administered activity were 0.73% and −3.53% for the 1.0 and 0.5-mm pinhole collimators, respectively, both occurring within the initial 1 min. Conclusion: Monte Carlo simulations demonstrated the feasibility of real-time monitoring of administered activity during Lu-177 infusion by imaging the administration site with our pinhole gamma camera.journal articl
Scattering theory and an index theorem on the radial part of SL(2,ℝ)
Full text linkWe present the spectral and scattering theory of the Casimir operator acting on radial functions in L2(SL(2,R)). After a suitable decomposition, these investigations consist in studying a family of differential operators acting on the half-line. For these operators, explicit expressions can be found for the resolvent, for the spectral density, and for the Møller wave operators, in terms of the Gauss hypergeometric function. An index theorem is also introduced and discussed. The resulting equality, generically called Levinson’s theorem, links various asymptotic behaviors of the hypergeometric function. This work is a first attempt to connect group theory, special functions, scattering theory, C∗-algebras, and Levinson’s theorem.Online Ready (Published: 17 February 2024)journal articl
Nitrous Oxide/Ethanol Cylindrical Rotating Detonation Engine for Sounding Rocket Space Flight
Full text linkThere are few experimental studies on rotating detonation engines (RDEs) with liquid propellants. This study reveals the static thrust performance of a cylindrical RDE with ethanol and liquid nitrous oxide as propellants under atmospheric pressure. This RDE had an inner diameter of 40 mm, a maximum combustor length of 230 mm, a nozzle contraction ratio of 1.7, and a nozzle expansion ratio of 9.1. Nineteen experiments were conducted at total mass flow rates of 184–210 g/s, mixture ratios of 3.6–5.9, and combustion pressures of 0.35–0.46 MPa, resulting in a maximum detonation velocity of 1840 m/s (approximately 80% of the theoretical detonation velocity, 2251 m/s), maximum thrust at sea level of 294 N, and maximum specific impulse at sea level of 148 s. In addition, the maximum characteristic exhaust velocity, *, was 1716 m/s, which was 99% of the theoretical value. The characteristic length of the combustion chamber at this time was 0.15 m. Since conventional rocket combustion requires 1.57 m to achieve the same * efficiency, this study shows that detonation combustion can reduce the combustor size by 88%.Published Online:28 May 2024journal articl
Proxy small thick subcategories of derived categories
No full textLet R be a commutative noetherian ring. Denote by Db(R) the bounded derived category of finitely generated R-modules. Extending the notion of a proxy small object of Db(R) in the sense of Dwyer, Greenlees, Iyengar and Pollitz, we introduce the notion of a proxy small thick subcategory of Db(R). When R is a locally dominant ring, we give a complete classification of the proxy small thick subcategories of Db(R) in terms of pairs of specialization-closed subsets of SpecR and SingR.journal articl
The program to implement the method using intermediate task for the text classification task
No full textThe program to implement the method using the intermediate task proposed in the paper below. This program can be applied to general text classification tasks and contains sample codes for 15 tasks like AG-news and SST2.
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Kazuhiro Wada, Masaya Tsunokake, and Shigeki Matsubara. 2024. On an Intermediate Task for Classifying URL Citations on Scholarly Papers. In Proceedings of the 2024 Joint International Conference on Computational Linguistics, Language Resources and Evaluation (LREC-COLING 2024), pages 12359–12369, Torino, Italia. ELRA and ICCL.下記の論文の中間タスクを用いた手法を実装するためのプログラム．一般的なテキスト分類タスクに対応しており，15種類のタスク（e.g., AG-News, SST2）で使用するためのサンプルコードを含む．
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Kazuhiro Wada, Masaya Tsunokake, and Shigeki Matsubara. 2024. On an Intermediate Task for Classifying URL Citations on Scholarly Papers. In Proceedings of the 2024 Joint International Conference on Computational Linguistics, Language Resources and Evaluation (LREC-COLING 2024), pages 12359–12369, Torino, Italia. ELRA and ICCL.Information on related papers:
@inproceedings{wada-etal-2024-intermediate,
title = "On an Intermediate Task for Classifying {URL} Citations on Scholarly Papers",
author = "Wada, Kazuhiro and
Tsunokake, Masaya and
Matsubara, Shigeki",
booktitle = "Proceedings of the 2024 Joint International Conference on Computational Linguistics, Language Resources and Evaluation (LREC-COLING 2024)",
month = may,
year = "2024",
address = "Torino, Italia",
publisher = "ELRA and ICCL",
url = "https://aclanthology.org/2024.lrec-main.1082/",
pages = "12359--12369"
}datase
