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Best-Mix Generation Planning with Battery Energy Storage System Including Carbon-Neutral Requirement
Shimizukawa, Jun,Iba, Kenji,Hida, Yusuke,Yokoyama, Ryuichi,Tanaka, Kouji,Seki, Tomomichi The Korean Institute of Electrical Engineers 2011 The Journal of International Council on Electrical Vol.1 No.1
Battery energy storage system (BESS) is attracting attention all over the world. BESS yields two types of benefits, i.e., economical benefit and environmental benefit. Economical benefit is yielded by reducing the cost of power plants that is composed by the operation cost and the construction cost. Recent serious concern against environment will be more important in the near future and it might be treated as penalty and/or constraints. The installation merit of BESS stands out when load factor of demand is low. If base generators composed of inexpensive and clean sources, and if peak generators composed of expensive and dirty sources, the benefit against operation cost becomes more remarkable. Besides, BESS can contribute to developing countries by reducing construction cost of generation plants. In this paper, the numerical analysis of this benefit is presented. The optimal amount of BESS is searched by evaluating CO2-reductions and cost benefits.
Kikukawa, Takashi,Shimono, Kazumi,Tamogami, Jun,Miyauchi, Seiji,Kim, So Young,Kimura-Someya, Tomomi,Shirouzu, Mikako,Jung, Kwang-Hwan,Yokoyama, Shigeyuki,Kamo, Naoki American ChemicalSociety 2011 Biochemistry Vol.50 No.41
<P><I>Acetabularia</I> rhodopsins are the firstmicrobialrhodopsins discovered in a marine plant organism, <I>Acetabulariaacetabulum</I>. Previously, we expressed <I>Acetabularia</I> rhodopsin II (ARII) by a cell-free system from one of two opsingenes in <I>A. acetabulum</I> cDNA and showed that ARIIis a light-driven proton pump [Wada, T., et al. (2011) <I>J.Mol. Biol.</I><I>411</I>, 986–998]. In thisstudy, the photochemistry of ARII was examined using the flash-photolysistechnique, and data were analyzed using a sequential irreversiblemodel. Five photochemically defined intermediates (P<SUB><I>i</I></SUB>) were sufficient to simulate the data. Noticeably, both P<SUB>3</SUB> and P<SUB>4</SUB> contain an equilibrium mixture of M, N,and O. Using a transparent indium tin oxide electrode, the photoinducedproton transfer was measured over a wide pH range. Analysis of thepH-dependent proton transfer allowed estimation of the p<I>K</I><SUB>a</SUB> values of some amino acid residues. The estimated valueswere 2.6, 5.9 (or 6.3), 8.4, 9.3, 10.5, and 11.3. These values wereassigned as the p<I>K</I><SUB>a</SUB> of Asp81 (Asp85<SUP>BR</SUP>) in the dark, Asp92 (Asp96<SUP>BR</SUP>) at N, Glu199 (Glu204<SUP>BR</SUP>) at M, Glu199 in the dark, an undetermined proton-releasingresidue at the release, and the pH to start denaturation, respectively.Following this analysis, the proton transfer of ARII is discussed.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/bichaw/2011/bichaw.2011.50.issue-41/bi2009932/production/images/medium/bi-2011-009932_0006.gif'></P>
Syou Kato,Jiro Tanaka,Norio Tanaka,Jun Yokoyama,Yu Ito,Yoichiro Fujiwara,Atsushi Higa,신고 고바야시,Makoto M. Watanabe,Hidetoshi Sakayama 국립중앙과학관 2021 Journal of Asia-Pacific Biodiversity Vol.14 No.1
Members of the brackish-water species Lamprothamnium succinctum (Charales, Charophyceae) arewidely distributed from tropical to temperate regions, including East Asia. In Japan, L. succinctum is listedas an endangered species and is protected by the government, because it was recorded only at two localities,Lake Hachiro-gata (Akita Prefecture) and Oo-ike pond (Deba-jima Island, Tokushima prefecture),and has become extinct in the former. In this study, we identified five new localities of this species inJapan. The morphological characteristics of their thalli agreed with those provided in the originaldescription of this species, with distinctive reproductive characteristics. Moreover, the oospores of Japanesespecimens of L. succinctum were examined for the first time using scanning electron microscopy. The oospores of Japanese specimens exhibited granulate fossa wall patterns, which were consistent withthose described in previous studies. Our genetic analyses based on the DNA sequences of two chloroplastDNA markers, including both the coding and non-coding regions, revealed that the sample from Oo-ikepond is distinguishable from those from other Japanese specimens, although they are genetically verysimilar.
Expression Analysis of an APETALA1/FRUITFULL-like Gene in Phalaenopsis sp. ‘Hatsuyuki’ (Orchidaceae)
송인자,Tatsuya Fukuda,고석민,Takuro Ito,Jun Yokoyama,Hiroyuki Ichikawa,Yoh Horikawa,Toshiaki Kameya,Akira Kanno,이효연 한국원예학회 2011 Horticulture, Environment, and Biotechnology Vol.52 No.2
Members of the APETALA1 (AP1)/FRUITFULL (FUL)-like gene family of MADS-box genes play important roles in controlling the development of floral organs. To understand the molecular mechanisms of floral development in orchid, we isolated and characterized a Phalaenopsis AP1/FUL-like gene, PhalFUL. The results of phylogenetic analysis indicated that PhalFUL is in the monocots group of AP1/FUL-like gene. PhalFUL transcripts were detected in the flower buds, but not in vegetative organs. Moreover, in situ hybridization experiments revealed PhalFUL hybridization signals in all floral organ primordia at a very early stage of floral development, and continued expression in the column of whorls 3 and 4 until late developmental stages. These expression patterns were similar to those of the FUL-like genes in Arabidopsis (FUL) and Antirrhinum (DEFH28), suggesting that the PhalFUL is similar in function to FUL and DEFH28.
Motokawa, Shogo,Narasaki, Yukie,Song, Jun-Young,Yokoyama, Yoshihiro,Hirose, Euichi,Murakami, Shoko,Jung, Sung-Ju,Oh, Myung-Joo,Nakayama, Kei,Kitamura, Shin-Ichi Elsevier 2018 Parasitology international Vol.67 No.2
<P><B>Abstract</B></P> <P>The ciliate <I>Miamiensis avidus</I> causes scuticociliatosis in Japanese flounder <I>Paralichthys olivaceus</I>. We previously reported three serotypes of this ciliate distinguishable by serotype-specific antigenic polypeptides (serotype I, 30kDa; serotype II, 38kDa; serotype III, 34kDa). In this study, we determined the localization site of the serotype-specific polypeptides in the ciliate and determined the genes encoding the polypeptides, using the isolates IyoI (serotype I), Nakajima (serotype II), and Mie0301 (serotype III). SDS-PAGE and immunoblot analysis of cilia, membrane proteins, and cytoskeletal elements of the ciliates revealed that the polypeptides were abundant in the former two. Scanning electron microscopy of ciliates immobilized by homologous antiserum showed morphological changes in the cilia. These evidences suggested that the polypeptides were ciliary membrane immobilization antigens. The ciliary genes identified showed low identity scores—<51.5% between serotypes. To differentiate the serotypes, we designed serotype-specific PCR primer sets based on the DNA sequences. The PCR-based serotyping results were completely consistent with conventional serotyping methods (immobilization assay and immunoblot analysis). Twenty of 21 isolates were classified as either serotype I or II, and one isolate was undistinguishable. The combination of species-specific PCR previously reported and three serotype-specific PCR could be useful for identifying, serotyping, and surveillance for occurrences of new serotypes of <I>M. avidus</I>.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Three serotypes of <I>M. avidus</I> were reported in Japan and Korea. </LI> <LI> Serotype-specific polypeptides were identified as ciliary membrane proteins. </LI> <LI> The nucleotide sequences of ORFs were determined. </LI> <LI> Serotype-specific PCR revealed that the pandemic serotypes were serotype I and II. </LI> </UL> </P>