A Trial of Online Teaching in High School Chemistry: Development and Delivery of On-demand Teaching Materials

コロナ禍による全国一斉休校のなか，化学のオンライン授業の試みとして，授業動画の作成と配信を行った。本稿では対面授業とオンライン授業の違いを踏まえながら，オンデマンド型教材の開発過程や視聴した生徒の反応などについてまとめ，化学におけるオンライン授業のあり方について考察したい。In a period of nationwide school closures due to the coronavirus disease, we created and delivered class videos in an attempt to teach chemistry online. In this paper, we summarize the development process of the on-demand teaching materials and the reactions of the students who watched them, taking into account the differences between face-to-face classes and online classes, and discuss the ideal form of online classes in chemistry

Synthesis and characterization of zeolite A from crushed particles of aluminoborosilicate glass used in LCD panels

AbstractWe tried to synthesize zeolite from the sand-like particles of crushed LCD panel glass collected from discarded electronics devices. In the previous study, zeolite A was synthesized using fine glass particles of <10μm. Acid treatment was found effective toward synthesizing single phase zeolite A. Using sand-like coarse glass particles, of which the internal-core consists of glass and the surficial shell transforms into zeolite, we investigated the effect of acid-treatment by evaluating the surface of the coarse glass particles. Under acid-treatment, components other than Si eluted from the glass. The elution amounts were several percent of the total glass mass. After acid-treatment, the surface of the glass particle was discovered to be covered in a thin layer of poor components other than Si and a relatively rich quantity of Si, by scanning electron microscopy and energy dispersive spectrum analysis. The synthesized zeolite A increased the longer the acid-treatment time, which suggest the thin layer increased. When the concentration of the acid solution decreased, glass components other than Si dissolved well, and the synthesized zeolite A increased as a result. This indicates that the Si-rich layer is necessary for preferential synthesis of zeolite A from crushed particles of aluminoborosilicate glass

山形県における定住アジア女性の日本語使用 : 首都圏・全国との比較から特性をみる

帝塚山大学山形大学Tezukayama UniversityYamagata University「生活のための日本語:全国調査」における山形県の回答者の中から結婚移住したアジア女性を抽出し,首都圏(新宿・千葉)と全国の同回答者を比較対象に,生活状況と日本語使用について分析した。その結果,首都圏・全国の定住アジア女性に比べて,山形は滞日年数が長く学習の場を持たずに日本語を自然習得している人が多い,「書く」に対する自己評価が低く強い学習ニーズを抱いている等の傾向が見られた。滞日年数に従い日本語でできる言語行動が増える一方,「書く」に対しては不全感を抱いている。また,「地域交流」「幼稚園・学校」場面での言語行動の頻度が高く日本語でできる人が多かった。つまり山形の定住アジア女性にとっては,地域の日本人ネットワークで人間関係を築く・維持するための言語行動の必要性が高い。以上から,地域日本語教育には,「書く」に対する学習支援とともに,高度な言語行動を視野に入れた学習支援が求められていることがわかった。This paper reports on the findings of "Japanese for life: the nationwide survey," in which the lifestyle and Japanese language proficiency of Asian women living as foreign residents in Yamagata prefecture were examined through a comparison with other Asian women living in the Tokyo Metropolitan Area and the rest of Japan. The results suggest that in comparison with other Asian women in Japan, the Asian women in Yamagata prefecture show two signifi cant differences: (1) Most of them have a higher self-evaluation of their speaking and listening skills in Japanese (acquired naturally through long years of residence in Japan); and (2) most of them have a low selfevaluation of their writing skills in Japanese, despite a strong need for such skills. The longer these women have lived in Japan, the more frequent have been their daily verbal interactions. However, they perceive their "writing" skills in Japanese to be inadequate. Most of them can engage in verbal behavior in Japanese when, for example, interacting with neighbors and communicating with teachers and parents at schools and kindergartens. In sum, considering the circumstances detailed above, Asian women living in Yamagata prefecture need language support to develop and maintain their relationships with Japanese people

Development and External Validation of a Nomogram Predicting the Probability of Significant Gleason Sum Upgrading among Japanese Patients with Localized Prostate Cancer

Objective. The aim of this study is to develop a prognostic model capable of predicting the probability of significant upgrading among Japanese patients. Methods. The study cohort comprised 508 men treated with RP, with available prostate-specific antigen levels, biopsy, and RP Gleason sum values. Clinical and pathological data from 258 patients were obtained from another Japanese institution for validation. Results. Significant Gleason sum upgrading was recorded in 92 patients (18.1%) at RP. The accuracy of the nomogram predicting the probability of significant Gleason sum upgrading between biopsy and RP specimens was 88.9%. Overall AUC was 0.872 when applied to the validation data set. Nomogram predictions of significant upgrading were within 7.5% of an ideal nomogram. Conclusions. Nearly one-fifth of Japanese patients with prostate cancer will be significantly upgraded. Our nomogram seems to provide considerably accurate predictions regardless of minor variations in pathological assessment when applied to Japanese patient populations

Organizing Active Learning Models in Science Classes (2)

The purpose of this study is to organize active learning models in science classes. Through classroom practice from elementary school to upper secondary school, we observed the followings: 1) the "reciprocal of internalization and externalization," which means collaborative and cooperative learning, is the key to active learning in science lessons; 2) by creating a "subject skeleton," teachers can gain clarity regarding the promotion of deep learning and organize active learning models in science classes

Pharmacist-physician collaborative care for outpatients with left ventricular assist devices using a cloud-based home medical management information-sharing system: a case report

[Background] The standard anticoagulation therapy for patients implanted with left ventricular assist devices (LVADs) includes warfarin therapy. We developed a cloud-based home medical management information-sharing system named as LVAD@home. The LVAD@home system is an application designed to be used on iPad tablet computers. This system enables the sharing of daily information between a patient and care providers in real time. In this study, we reported cases of outpatients with LVADs using this system to manage anticoagulation therapy. [Case presentation] The patient, a man in his 40s with end-stage heart failure owing to non-ischemic dilated cardiomyopathy, underwent LVAD implantation and warfarin was started on postoperative day 1. He started to use LVAD@home to manage warfarin therapy after discharge (postoperative day 47). He sent his data to care providers daily. By using this system, the pharmacist observed his signs of reduced dietary intake 179 days after discharge, and after consulting the physician, told the patient to change the timing of the next measurement earlier than usual. On the next day, the prothrombin time-international normalized ratio increased from 2.0 to 3.0, and thus the dose was decreased by 0.5 mg. Four patients used this system to monitor warfarin therapy from October 2015 to March 2018. In these patients, the time in therapeutic range was 90.1 ± 1.3, which was higher than that observed in previous studies. Additionally, there were no thromboembolic events or bleeding events. [Conclusions] The cloud-based home management system can be applied to share real-time patient information of factors, including dietary intake that interact with warfarin. It can help to improve long-term anticoagulation outcomes in patients implanted with LVAD