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Ishida, Kazuko,Ishida, Junko,Kiyoko, Kanda Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.3
This study aims to clarify the psychosocial reactions of female patients with gynecological cancer undergoing chemotherapy and in the process of suffering from alopecia and to examine their nursing support. The target group comprised female patients who had received two or more cycles of chemotherapy, were suffering from alopecia, and were aged 30-65. Data were collected from semi-structured interviews, conducted from the time the patients were informed by their doctors that they might experience alopecia due to chemotherapy to the time they actually experienced alopecia and until they were able to accept the change. Inductive qualitative analysis was employed to close in on the subjective experiences of the cancer patients. The results showed the existence of six phases in the psychosocial reactions in the process of alopecia: phase one was the reaction after the doctor's explanation; phase two was the reaction when the hair starts to fall out; phase three was the reaction when the hair starts to intensely fall out; phase four was the reaction when the hair has completely fallen out; phase five was the reaction to behavior for coping with alopecia; and phase six was the reaction to change in interpersonal human relationships. The results also made it clear that there are five types of reaction patterns as follows: 1) treatment priority interpersonal relationship maintenance type; 2) alopecia agitated interpersonal relationship maintenance type; 3) alopecia agitated interpersonal relationship reduction type; 4) alopecia denial interpersonal relationship reduction type; and 5) alopecia denial treatment interruption type. It is important to find out which of the five types the patients belong to early during treatment and provide support so that nursing intervention that suits each individual can be practiced. The purpose of this study is to make clear the process in which patients receiving chemotherapy come to accept alopecia and to examine evidence-based nursing care on patients with strong mental distress from alopecia.
Growth and Etching of Single Crystalline Al₂O₃on Si for SOI Sensors
Ishida, Makoto 경북대학교 센서기술연구소 1995 센서技術學術大會論文集 Vol.6 No.1
Double SOI structures using heteroepitaxial growth of Al_(2)O_(3) and Si are developed for sensor applications. A very stable epitaxial Al_(2)O_(3)(100) film grown on a Si(100) substrate can be used as a etching stop layer to fabricate a diaphragm, and as a electric-isolation layer of an SOI device. Using these characteristics, a high-temperature-operated pressure sensors was demonstrated. Important technologies for the SOI processes with the Al_(2)O_(3) film were developed: the one is a new etching method of the chemically stable A1,03 films and sapphire wafers by Si ion implantation method, and the another is the selective epitaxial growth of Si(100) on Al_(2)O_(3)(100) by electronbeam-irradiation method to make a fine pattern.
Estimation of Additive and Dominance Genetic Variances in Line Breeding Swine
Ishida, T.,Kuroki, T.,Harada, H.,Fukuhara, R. Asian Australasian Association of Animal Productio 2001 Animal Bioscience Vol.14 No.1
Additive and dominance genetic variances were estimated for purebred Landrace selected with line breeding from 1989 to 1995 at Miyazaki Livestock Experiment Station, Kawaminami Branch. Ten body measurements, two reproductive traits and fifteen carcass traits were analyzed with single-trait mixed model analysis. The estimates of narrow-sense heritabilities by additive model were in the range of 0.07 to 0.46 for body measurements, 0.05 to 0.14 for reproductive traits, and 0.05 to 0.68 for carcass traits. The additive model tended to slightly overestimate the narrow-sense heritabilities as compared to the additive and dominance model. The proportion of the dominance variance to total genetic variance ranged from 0.11 to 0.91 for body measurements, 0.00 to 0.65 for reproductive traits, and 0.00 to 0.86 for carcass traits. Large differences among traits were found in the ratio of dominance to total genetic variance. These results suggested that dominance effect would affect the expression of all ten body measurements, one reproductive trait, and nine carcass traits. It is justified to consider the dominance effects in genetic evaluation of the selected lines for those traits.
Diprotonated [28]Hexaphyrins(1.1.1.1.1.1): Triangular Antiaromatic Macrocycles
Ishida, Shin‐,ichiro,Higashino, Tomohiro,Mori, Shigeki,Mori, Hirotaka,Aratani, Naoki,Tanaka, Takayuki,Lim, Jong Min,Kim, Dongho,Osuka, Atsuhiro WILEY‐VCH Verlag 2014 Angewandte Chemie Vol.126 No.13
<P><B>Abstract</B></P><P>Protonation of <I>meso</I>‐aryl [28]hexaphyrins(1.1.1.1.1.1) triggered conformational changes. Whereas protonation with trifluoroacetic acid led to the formation of monoprotonated Möbius aromatic species, protonation with methanesulfonic acid led to the formation of diprotonated triangular antiaromatic species. A peripherally hexaphenylated [28]hexaphyrin was rationally designed and prepared to undergo diprotonation to favorably afford a triangular‐shaped antiaromatic species.</P>
Ishida, Masatoshi,Shin, Jae-Yoon,Lim, Jong Min,Lee, Byung Sun,Yoon, Min-Chul,Koide, Taro,Sessler, Jonathan L.,Osuka, Atsuhiro,Kim, Dongho American Chemical Society 2011 JOURNAL OF THE AMERICAN CHEMICAL SOCIETY - Vol.133 No.39
<P>We have investigated the electronic structures and photophysical properties of 5,10,20,25-tetrakis(pentafluorophenyl)-substituted hexaphyrin(1.1.1.1.1.1) (<B>1</B>) and its meso-keto (<B>2</B>) and meso-diketo derivatives (<B>3</B>) using various spectroscopic measurements. In conjunction with theoretical calculations, these analyses revealed fundamental structure–property relationships within this series, including unusual ground-state electronic structures with neutral, monoradical, and singlet biradical character. The meso-free species <B>1</B> is a representative 26 π-electron aromatic compound and shows characteristic spectroscopic features, including a sharp Soret band, well-defined Q-like bands, and a moderately long excited state lifetime (τ = 138 ps). In contrast, the meso-keto derivative <B>2</B> displays features characteristic of a neutral monoradical species at the ground state, including the presence of lower energy absorption bands in the NIR spectral region and a relatively short excited-state lifetime (13.9 ps). The meso-diketo <B>3</B> exhibits features similar to those of <B>2</B>, specifically NIR absorptions and a short excited-state lifetime (9.7 ps). Compound <B>3</B> is thus assigned as being a ground-state singlet biradicaloid. Two photon absorption (TPA) measurements revealed comparatively large σ<SUP>(2)</SUP> values of 600 GM for <B>2</B> and 1600 GM for <B>3</B> with excitation at λ<SUB>ex</SUB> =1600 nm as compared to that observed for <B>1</B> (σ<SUP>(2)</SUP>: 360 GM). The enhanced nonlinear optical properties of <B>2</B> and <B>3</B> are rationalized in terms of the open-shell electronic configuration allowing a large, field-induced fluctuation in the electron density (i.e., a large polarization). This interpretation is supported by theoretical evaluations of the static second hyperpolarizabilities (γ) and γ density analyses. Furthermore, nucleus-independent chemical shift (NICS) and harmonic oscillator model of aromaticity (HOMA) values and anisotropy of the induced current density (AICD) plots revealed a clear distinction in terms of the aromatic character of <B>1</B>–<B>3</B>. Importantly, the open-shell radicaloid <B>2</B> and singlet biradicaloid <B>3</B> can be formally regarded as 27 π-electron nonaromatic and 26 π-electron aromatic species, respectively, constrained within a dominant 28 π-electron conjugated network. On the basis of the combined experimental and theoretical evidence, it is concluded that the meso-carbonyl groups of <B>2</B> and <B>3</B> play an important role in perturbing the macrocyclic π-conjugation of the parent hexaphyrin structure <B>1</B>. In particular, they lead to the imposition of intrinsic radical and biradical character on the molecule as a whole and thus easy-to-discern modifications of the overall electronic effects.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/jacsat/2011/jacsat.2011.133.issue-39/ja204626t/production/images/medium/ja-2011-04626t_0004.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/ja204626t'>ACS Electronic Supporting Info</A></P>
Ishida, Noriko,Iyoda, Yumi,Mitamura, Osamu,Choi, Jun-Kil The Korean Society of Limnology 2008 생태와 환경 Vol.37 No.1
The abundance and community structure of epilithic diatoms grown on different substrata were investigated in two first-order streams located in a limestone and granite area, north of the Suzuka Mountains in Central Japan. Experiments were conducted as follows: limestone and granite without algae were submerged in their own streambed or another stream station and incubated for seven weeks, while limestone and granite with algae were transferred to another stream station and incubated at the same time. The diatom biomass was consistently high in the lime-stone station experiments compared to those at the granite station. In addition, there was more diatom biomass on granite substrata than on the limestone substrata at both stations. The present results suggested that the difference in water chemistry including the major nutrient concentrations was the limiting factor for algal growth in these two streams; however, when the water chemistry was the same in each stream, the difference in substratum characteristics became the important factor affecting the diatom abundance. The diatom community grown on the transferred substrata with and without algae became similar to those grown on the original substrata in each stream during the incubation period. It was suggested that the effect of the substrata characteristics on the diatom community structure was rather small.
Ishida, Masatoshi,Kim, Soo-Jin,Preihs, Christian,Ohkubo, Kei,Lim, Jong Min,Lee, Byung Sun,Park, Jung Su,Lynch, Vincent M.,Roznyatovskiy, Vladimir V.,Sarma, Tridib,Panda, Pradeepta K.,Lee, Chang-Hee,Fu Nature Publishing Group 2013 Nature chemistry Vol.5 No.1
Proton-coupled electron transfer (PCET) processes are among the most important phenomena that control a variety of chemical and biological transformations. Although extensively studied in a variety of natural systems and discrete metal complexes, PCET mechanisms are less well codified in the case of purely organic compounds. Here we report that a planar 棺,棺??phenylene-bridged hexaphyrin (1.0.1.0.1.0), a 24 ?-electron antiaromatic species termed rosarin, displays unique redox reactivity on protonation. Specifically, treatment with acid (for example, HI) yields a 26 ?-electron aromatic triprotonated monocationic species that is produced spontaneously via an intermediate??but stable??25 ?-electron non-aromatic triprotonated monoradical dication. This latter species is also produced on treatment of the original 24 ?-electron antiaromatic starting material with HCl or HBr. The stepwise nature of the proton-coupled reduction observed in the planar rosarin stands in marked contrast to that seen for non-annulated rosarins and other ostensibly antiaromatic expanded porphyrinoids.