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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.
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>
Homogeneous rolling tachyons in boundary string field theory
Ishida, Akira,Kim, Yoonbai,Kouwn, Seyen Elsevier 2006 Physics letters: B Vol.638 No.2
<P><B>Abstract</B></P><P>We study decay of a flat unstable D<I>p</I>-brane in the context of boundary string field theory action. Three types of homogeneous rolling tachyons are obtained without and with Born–Infeld type electromagnetic field.</P>
Ishida, Masatoshi,Kim, Pyosang,Choi, Jiyoung,Yoon, Juyoung,Kim, Dongho,Sessler, Jonathan L. The Royal Society of Chemistry 2013 Chemical communications Vol.49 No.62
<P>N-fused aza-indacene-based fluorophores 1 and 2 were prepared <I>via</I> a three-component condensation involving benzimidazole-carbinol, trifluoroacetic acid, and either pyrrole or indole, respectively. The N-fused aza-indacenes act as optical-based chemosensors for dissolved carbon dioxide gas following fluoride anion-mediated deprotonation.</P> <P>Graphic Abstract</P><P>N-fused aza-indacenes act as optical-based chemosensors for dissolved carbon dioxide gas following fluoride anion-mediated deprotonation. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=c3cc43938k'> </P>
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.
Ishida, Yuko,Cornel, Anthony J.,Leal, Walter S. Korean Society of Applied Entomology 2003 Journal of Asia-Pacific Entomology Vol.6 No.1
We have identified and cloned an odorant-binding protein from the female mosquito, Culex tarsalis (CtarOBP). As expected for an olfactory protein, CtarOBP was detected by gel electrophoresis analysis in antennae but not in control tissues (legs). The isolated protein was identified by in-gel digestion and subsequent analysis of internal fragments by tandem mass spectrometry (MS-MS). Based on the amino acid sequences of two peptides generated by enzymatic digestion, degenerate primers were designed for cDNA cloning. The complete cDNA (cloned by RACE) encoded a protein with a signal peptide (24 residues) and a mature protein of 125 amino acid residues. The calculated molecular mass and isoelectric point of the mature protein were 14,515 Da and pI 5.5, respectively. CtarOBP showed the hallmark of odorant-binding proteins, 6 cysteine residues, and high sequence homology (61-96%) to previously characterized mosquito OBPs.
Ishida, Masatoshi,Hwang, Deasub,Koo, Young Bean,Sung, Jooyoung,Kim, Dong Young,Sessler, Jonathan L.,Kim, Dongho The Royal Society of Chemistry 2013 Chemical communications Vol.49 No.80
<P>The palladium-catalyzed oxidative alkynylation of β-borylated porphyrins allows for concise preparation of push–pull structured ethynylbenzoic acid porphyrin derivatives. The resulting β-singly- and doubly-substituted porphyrin dyes are regarded as isomeric derivatives of the corresponding <I>meso</I>-substituted reference systems, and were found to give rise to nearly equal power conversion efficiencies when analyzed in DSSCs.</P> <P>Graphic Abstract</P><P>A new set of β-ethynylphenyl substituted porphyrin-based DSSC dyes were prepared <I>via</I> palladium-catalyzed direct alkynylation of β-borylated porphyrins to investigate the effect of the structure–efficiency relationship. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=c3cc44847a'> </P>