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- Author:
- Hirano, Takashi, et al. ; Matsuhashi, Chihiro; Ueno, Takuya; Uekusa, Hidehiro; Sato-Tomita, Ayana; Ichiyanagi, Kouhei; Maki, Shojiro; Show all 7 Authors
- Source:
- Chemical communications 2020 v.56 no.23 pp. 3369-3372
- ISSN:
- 1364-548X
- Subject:
- chemical reactions; chemiluminescence; isomers; monitoring; phthalimide
- Abstract:
- ... Syn- and anti-isomers of an adamantylideneadamantane 1,2-dioxetane having a phthalimide side chain were prepared and investigated their crystalline-state chemiluminescence (CL) properties. The isomers showed contrastive CL properties depending on their crystal-structural characteristics, indicating that CL provides an attractive target for real-time monitoring of a chemical reaction in the crystal ...
- DOI:
- 10.1039/c9cc10012a
- http://dx.doi.org/10.1039/c9cc10012a
- Author:
- Hirano, Takashi, et al. ; Ishikura, Kiwamu; Hirata, Ryuichi; Okimoto, Yosuke; Wong, Guan Xhuan; Melling, Lulie; Aeries, Edward Baran; Kiew, Frankie; Lo, Kim San; Musin, Kevin Kemudang; Waili, Joseph Wenceslaus; Ishii, Yoshiyuki; Show all 12 Authors
- Source:
- Ecosystems 2019 v.22 no.8 pp. 1852-1868
- ISSN:
- 1432-9840
- Subject:
- aeration; anaerobic conditions; automation; carbon dioxide; forest damage; forests; greenhouse gas emissions; hydrostatic pressure; methane; methane production; peat; peat soils; peatlands; soil respiration; swamps; water table
- Abstract:
- ... This study investigates the factors controlling the soil CO₂ and CH₄ fluxes and quantifies annual cumulative soil respiration (RS), heterotrophic respiration (RH), and soil CH₄ emission in an undrained forest on tropical peat by continuous measurement using an automated chamber system for 2 years. Daily mean soil CO₂ flux was increased by lowering groundwater level (GWL), which indicates oxidative ...
- DOI:
- 10.1007/s10021-019-00376-8
- http://dx.doi.org/10.1007/s10021-019-00376-8
- Author:
- Hirano, Takashi, et al. ; Yuki, Masashi; Aoyama, Reina; Tawada, Reina; Ogawa, Mizuho; Naitoh, Eiji; Kainuma, Daiki; Nagata, Noriyuki; Show all 8 Authors
- Source:
- BMC veterinary research 2019 v.15 no.1 pp. 170
- ISSN:
- 1746-6148
- Subject:
- biomarkers; blood glucose; blood serum; cortisol; dogs; hospitals; lymphocyte count; mortality; neutrophils; observational studies; prediction; prognosis; veterinary clinics
- Abstract:
- ... BACKGROUND: Dogs with various medical diseases are usually treated at hospitals; however, the prognostic markers in dogs remain unknown. The aim of this study was to investigate the ability of serum cortisol concentration (SCC) to predict the prognosis of dogs with medical diseases. At 0 and 24 h after hospitalization, the neutrophil count, lymphocyte count, blood glucose concentration, and SCC we ...
- DOI:
- 10.1186/s12917-019-1919-4
- PubMed:
- 31126272
- PubMed Central:
- PMC6534851
- https://dx.doi.org/10.1186/s12917-019-1919-4
- Author:
- Hirano, Takashi, et al. ; Wu, Lan; Kato, Tomomichi; Sato, Hisashi; Yazaki, Tomotsugu; Show all 5 Authors
- Source:
- Forest ecology and management 2019 v.451 pp. 117529
- ISSN:
- 0378-1127
- Subject:
- aboveground biomass; carbon; carbon sinks; climate change; climatic factors; coasts; eddy covariance; forest dynamics; forest ecosystems; grasses; leaf area; long term effects; mixed forests; model validation; models; natural regeneration; net ecosystem production; net primary productivity; tree height; trees; typhoons; windthrow; woody plants; Japan
- Abstract:
- ... Large storms are a major source of natural disturbance in forest ecosystems in coastal regions of the world. With the changing climate, some climate projection models predict that storms will become stronger in the future, especially in the Northwest Pacific. Although the destruction of typhoons has a strong impact on the structure and carbon balance of forest ecosystems, leading to local climate ...
- DOI:
- 10.1016/j.foreco.2019.117529
- https://dx.doi.org/10.1016/j.foreco.2019.117529
- Author:
- Hirano, Takashi, et al. ; Yuki, Masashi; Kainuma, Daiki; Naitoh, Eiji; Aoyama, Reina; Show all 5 Authors
- Source:
- Journal of the American Veterinary Medical Association 2019 v.255 no.8 pp. 939-941
- ISSN:
- 0003-1488
- Subject:
- C-reactive protein; Golden Retriever; adhesion; anemia; anorexia; arthritis; blood serum; chronic diseases; dogs; females; gait; radiography; signs and symptoms (animals and humans); spaying; stifle; ultrasonography; veterinarians
- Abstract:
- ... CASE DESCRIPTION A 10-year-old spayed female Golden Retriever was examined because of a 3-month history of lethargy, anorexia, and stumbling gait. CLINICAL FINDINGS A splenic mass was identified on abdominal radiography and ultrasonography, and results of clinicopathologic findings indicated nonregenerative anemia, leukocytosis, and high serum C-reactive protein (CRP) concentration. To further inv ...
- DOI:
- 10.2460/javma.255.8.939
- http://dx.doi.org/10.2460/javma.255.8.939
- Author:
- Hirano, Takashi, et al. ; Tan, Zheng-Hong; Zhao, Jun-Fu; Wang, Guan-Ze; Chen, Meng-Ping; Yang, Lian-Yan; He, Chun-Sheng; Restrepo-Coupe, Natalia; Peng, Shu-Shi; Liu, Xue-Yan; da Rocha, Humberto R.; Kosugi, Yoshiko; Saleska, Scott R.; Goulden, Michael L.; Zeng, Jiye; Ding, Fang-Jun; Gao, Fu; Song, Liang; Show all 18 Authors
- Source:
- Agricultural and forest meteorology 2019 v.275 pp. 317-328
- ISSN:
- 0168-1923
- Subject:
- aerodynamics; diurnal variation; dry season; eddy covariance; environmental factors; evaporation; evapotranspiration; models; momentum; seasonal variation; transpiration; tropical forests; turbulent flow; water vapor
- Abstract:
- ... Tropical forests are responsible for the evaporation and transpiration of large quantities of water into the atmosphere annually. Surface conductance (gs) is a poorly understood phenomenon that plays a central role in regulating this evapotranspiration. We studied the calculations, variations, and environmental factors controlling gs based on eddy flux measurements from 10 tropical forest sites th ...
- DOI:
- 10.1016/j.agrformet.2019.06.006
- https://dx.doi.org/10.1016/j.agrformet.2019.06.006
7. Halogen-substituent effect on the spectroscopic properties of 2-phenyl-6-dimethylaminobenzothiazoles
- Author:
- Hirano, Takashi, et al. ; Misawa, Rena; Matsuhashi, Chihiro; Yamaji, Minoru; Mutai, Toshiki; Yoshikawa, Isao; Houjou, Hirohiko; Noguchi, Keiichi; Maki, Shojiro; Show all 9 Authors
- Source:
- Tetrahedron letters 2019 v.60 no.26 pp. 1702-1705
- ISSN:
- 0040-4039
- Subject:
- Lampyridae; absorption; chemical reactions; chemical structure; deformation; fluorescence; fluorescent dyes; halogens; organic compounds; spectral analysis; spectroscopy
- Abstract:
- ... 6-Dimethylamino-2-phenylbenzothiazole (1-H) is a push-pull benzothiazole fluorophore mimicking the firefly oxyluciferin structure. We newly prepared 7-chloro and 7-bromo derivatives of 1-H and its 4-acetyl derivative (2-H), and their spectroscopic and photophysical properties were investigated. The halogenated derivatives showed the blue-shifted electronic absorption maxima and fluorescence emissi ...
- DOI:
- 10.1016/j.tetlet.2019.05.052
- https://dx.doi.org/10.1016/j.tetlet.2019.05.052
- Author:
- Hirano, Takashi, et al. ; Fu, Zheng; Gerken, Tobias; Bromley, Gabriel; Araújo, Alessandro; Bonal, Damien; Burban, Benoît; Ficklin, Darren; Fuentes, Jose D.; Goulden, Michael; Kosugi, Yoshiko; Liddell, Michael; Nicolini, Giacomo; Niu, Shuli; Roupsard, Olivier; Stefani, Paolo; Mi, Chunrong; Tofte, Zaddy; Xiao, Jingfeng; Valentini, Riccardo; Wolf, Sebastian; Stoy, Paul C.; Show all 22 Authors
- Source:
- Agricultural and forest meteorology 2018 v.263 pp. 292-307
- ISSN:
- 0168-1923
- Subject:
- General Circulation Models; air temperature; algorithms; anthropogenic activities; biodiversity; carbon; carbon dioxide; climate; climate change; deforestation; ecosystem respiration; ecosystems; eddy covariance; heat; heat stress; net ecosystem exchange; path analysis; photosynthesis; radiative forcing; saturated conditions; soil water; tropical plants; tropical rain forests; vapor pressure deficit; water stress
- Abstract:
- ... Tropical rainforests play a central role in the Earth system by regulating climate, maintaining biodiversity, and sequestering carbon. They are under threat by direct anthropogenic impacts like deforestation and the indirect anthropogenic impacts of climate change. A synthesis of the factors that determine the net ecosystem exchange of carbon dioxide (NEE) at the site scale across different forest ...
- DOI:
- 10.1016/j.agrformet.2018.09.001
- https://dx.doi.org/10.1016/j.agrformet.2018.09.001
- Author:
- Hirano, Takashi, et al. ; Sakabe, Ayaka; Itoh, Masayuki; Kusin, Kitso; Show all 4 Authors
- Source:
- Global change biology 2018 v.24 no.11 pp. 5123-5136
- ISSN:
- 1354-1013
- Subject:
- carbon; carbon dioxide; dry season; eddy covariance; forest soils; forests; global warming; greenhouse gas emissions; land use change; methane; methane production; organic matter; peat; peatlands; swamps; water table; wet season; Borneo; Indonesia
- Abstract:
- ... Data on ecosystem‐scale methane (CH₄) fluxes in tropical peatlands are currently lacking in the global CH₄ budget. Although the waterlogged Indonesian peatlands contain the largest share of peat carbon in South‐East Asia, ecosystem‐scale CH₄ budgets have not yet been reported, although these peatlands have the potential to emit CH₄. We observed 1‐year variations in the ecosystem‐scale CH₄ flux in ...
- DOI:
- 10.1111/gcb.14410
- http://dx.doi.org/10.1111/gcb.14410
- Author:
- Hirano, Takashi, et al. ; Wong, Guan Xhuan; Hirata, Ryuichi; Kiew, Frankie; Aeries, Edward Baran; Musin, Kevin Kemudang; Waili, Joseph Wenceslaus; Lo, Kim San; Melling, Lulie; Show all 9 Authors
- Source:
- Agricultural and forest meteorology 2018 v.256-257 pp. 353-361
- ISSN:
- 0168-1923
- Subject:
- carbon sinks; ecosystems; eddy covariance; forests; greenhouse gas emissions; high water table; latitude; methane; methane production; peat; peat soils; peatlands; soil carbon; soil water; standard deviation; stems; swamps; trees; Borneo; Malaysia
- Abstract:
- ... Tropical peat swamp forest is a unique ecosystem, in which both swamp forest and peat soil have coexisted over millennia and accumulated a significant amount of soil carbon as peat. Owing to the huge soil carbon stock and high groundwater level (GWL), tropical peatlands potentially represent a significant source of methane (CH4) to the atmosphere. However, a few studies of CH4 flux by the soil cha ...
- DOI:
- 10.1016/j.agrformet.2018.03.025
- https://dx.doi.org/10.1016/j.agrformet.2018.03.025
- Author:
- Hirano, Takashi, et al. ; Kitada, Nobuo; Saitoh, Tsuyoshi; Ikeda, Yuma; Iwano, Satoshi; Obata, Rika; Niwa, Haruki; Miyawaki, Atsushi; Suzuki, Koji; Nishiyama, Shigeru; Maki, Shojiro A.; Show all 11 Authors
- Source:
- Tetrahedron letters 2018 v.59 no.12 pp. 1087-1090
- ISSN:
- 0040-4039
- Subject:
- Lampyridae; allylation; bioluminescence; chemical structure; luciferase; luciferin; organic compounds; wavelengths
- Abstract:
- ... The synthesis and bioluminescence of allyl-substituted luciferin derivatives as substrates for firefly luciferase are reported. The allylation of luciferins induced bathochromic shift (15–40 nm) of the bioluminescence emission. Upon combination with other chemical modifications for bioluminescence wavelength tuning, novel red emitting luciferin analogues were obtained with emission maxima at 685 a ...
- DOI:
- 10.1016/j.tetlet.2018.01.078
- https://dx.doi.org/10.1016/j.tetlet.2018.01.078
- Author:
- Hirano, Takashi, et al. ; Ishikura, Kiwamu; Okimoto, Yosuke; Hirata, Ryuichi; Kiew, Frankie; Melling, Lulie; Aeries, Edward Baran; Lo, Kim San; Musin, Kevin Kemudang; Waili, Joseph Wenceslaus; Wong, Guan Xhuan; Ishii, Yoshiyuki; Show all 12 Authors
- Source:
- Agriculture, ecosystems & environment 2018 v.254 pp. 202-212
- ISSN:
- 0167-8809
- Subject:
- Elaeis guineensis; aeration; automation; carbon dioxide; greenhouse gas emissions; peat; peatlands; plantations; soil; soil respiration; statistical analysis; subsidence; trenching; water management; water table
- Abstract:
- ... Soil carbon dioxide (CO2) efflux was measured continuously for two years using an automated chamber system in an oil palm plantation on tropical peat. This study investigated the factors controlling the CO2 efflux and quantified the annual cumulative CO2 emissions through soil respiration and heterotrophic respiration, which is equivalent to oxidative peat decomposition. Soil respiration was measu ...
- DOI:
- 10.1016/j.agee.2017.11.025
- https://dx.doi.org/10.1016/j.agee.2017.11.025
- Author:
- Hirano, Takashi, et al. ; Kiew, Frankie; Hirata, Ryuichi; Wong, Guan Xhuan; Aeries, Edward Baran; Musin, Kevin Kemudang; Waili, Joseph Wenceslaus; Lo, Kim San; Shimizu, Mariko; Melling, Lulie; Show all 10 Authors
- Source:
- Agricultural and forest meteorology 2018 v.248 pp. 494-501
- ISSN:
- 0168-1923
- Subject:
- Elaeis guineensis; aeration; carbon; carbon dioxide; ecosystems; eddy covariance; land use change; leaf area index; mineral soils; monitoring; net ecosystem exchange; peat; plantations; seasonal variation; swamps; tropical rain forests; water table; Borneo; Indonesia; Malaysia
- Abstract:
- ... Tropical peat swamp forest (PSF) has accumulated a huge amount of carbon as peat over millennia, though the carbon rich ecosystem is now threatened with disturbances due to land-use change to industrial plantations of oil palm and pulp woods. Through the land conversion, peat carbon has become vulnerable and potentially changes to a great carbon dioxide (CO2) source to the atmosphere. It is essent ...
- DOI:
- 10.1016/j.agrformet.2017.10.022
- http://dx.doi.org/10.1016/j.agrformet.2017.10.022
- Author:
- Hirano, Takashi, et al. ; Itoh, Masayuki; Okimoto, Yosuke; Kusin, Kitso; Show all 4 Authors
- Source:
- The Science of the total environment 2017 v.609 pp. 906-915
- ISSN:
- 0048-9697
- Subject:
- Acacia; Elaeis guineensis; carbon dioxide; drainage; dry season; emissions; forests; land use; peat; peatlands; plantations; rubber; swamps; water table; wet season; Borneo; Indonesia
- Abstract:
- ... The increasing frequency of fire due to drainage of tropical peatland has become a major environmental problem in Southeast Asia. To clarify the effects of changes in land use on carbon dioxide emissions, we measured oxidative peat decomposition (PD) at different stages of disturbance at three sites in Central Kalimantan, Indonesia: an undrained peat swamp forest (UF), a heavily drained peat swamp ...
- DOI:
- 10.1016/j.scitotenv.2017.07.132
- https://dx.doi.org/10.1016/j.scitotenv.2017.07.132
- Author:
- Hirano, Takashi, et al. ; Nishimura, Shota; Hara, Hiromi; Sugimoto, Yoshikazu; Hanzawa, Kei; Show all 5 Authors
- Source:
- Animal biotechnology 2017 v.28 no.4 pp. 242-247
- ISSN:
- 1532-2378
- Subject:
- Wagyu; bulls; calves; death; genes; genetic disorders; genomics; genotyping; homozygosity; isoleucine-tRNA ligase; mutation
- Abstract:
- ... Weak calf syndrome (WCS) is a major cause of calf death in Japanese Black cattle. Among IARS disorders, the isoleucyl-tRNA synthetase c.235G>C mutation has been identified as one of the causes of WCS. However, calf deaths differing from those attributed to IARS disorder has been occurring. To identify other genes potentially responsible for these calf deaths, we constructed three populations of th ...
- DOI:
- 10.1080/10495398.2016.1267643
- http://dx.doi.org/10.1080/10495398.2016.1267643
- Author:
- Hirano, Takashi, et al. ; Ishige, Taichiro; Hara, Hiromi; Kono, Tomohiro; Hanzawa, Kei; Show all 5 Authors
- Source:
- Animal science journal = 2017 v.88 no.9 pp. 1249-1257
- ISSN:
- 1344-3941
- Subject:
- Coturnix japonica; amino acid substitution; bone marrow; bursa of Fabricius; cathelicidins; chickens; duodenum; genes; heart; innate immunity; lungs; meat; open reading frames; proteins; tongue
- Abstract:
- ... The Japanese quail has several advantages as a low‐fat meat bird with high immunity against diseases. Cathelicidins (CATHs) are antimicrobial peptides that play an important role in innate immunity. The aim of this study was to characterize the CATH cluster in the Japanese quail (Coturnix japonica). The Japanese quail CATH (CjCATH) cluster, contains four CATH genes, as in the chicken. The coding s ...
- DOI:
- 10.1111/asj.12752
- http://dx.doi.org/10.1111/asj.12752
- Author:
- Hirano, Takashi, et al. ; Wakhid, Nur; Okimoto, Yosuke; Nurzakiah, Siti; Nursyamsi, Dedi; Show all 5 Authors
- Source:
- The Science of the total environment 2017 v.581-582 pp. 857-865
- ISSN:
- 0048-9697
- Subject:
- El Nino; bulk density; carbon; carbon dioxide; drainage; greenhouse gas emissions; land use change; oxidation; peat; peatlands; plantations; rubber; seasonal variation; site preparation; soil; soil respiration; statistical analysis; subsidence; trees; trenching; water table; Indonesia
- Abstract:
- ... Land-use change in tropical peatland potentially results in a large amount of carbon dioxide (CO2) emissions owing to drainage, which lowers groundwater level (GWL) and consequently enhances oxidative peat decomposition. However, field information on carbon balance is lacking for rubber plantations, which are expanding into Indonesia's peatlands. To assess soil CO2 emissions from an eight-year-old ...
- DOI:
- 10.1016/j.scitotenv.2017.01.035
- https://dx.doi.org/10.1016/j.scitotenv.2017.01.035
- Author:
- Hirano, Takashi, et al. ; Suzuki, Keiji; Hirata, Ryuichi; Show all 3 Authors
- Source:
- Agricultural and forest meteorology 2017 v.232 pp. 457-468
- ISSN:
- 0168-1923
- Subject:
- Larix sibirica; aboveground biomass; boreal forests; canopy; eddy covariance; energy balance; evapotranspiration; heat transfer; herbaceous plants; hydrologic cycle; secondary succession; shrubs; solar radiation; temperate zones; vegetation index; windthrow; Japan
- Abstract:
- ... Larch, a deciduous needle-leaf gymnosperm, is widely distributed in cool temperate and boreal forests of the Northern Hemisphere. Thus, evaluating evapotranspiration (ET) in larch forests is important to elucidate energy and water cycles on a global scale. In addition, severe forest disturbance is expected to change ET and energy balance through a drastic change in the canopy structure. However, k ...
- DOI:
- 10.1016/j.agrformet.2016.10.003
- http://dx.doi.org/10.1016/j.agrformet.2016.10.003
- Author:
- Hirano, Takashi, et al. ; Kiyama, Masahiro; Iwano, Satoshi; Otsuka, Satoshi; Lu, Shijia W.; Obata, Rika; Miyawaki, Atsushi; Maki, Shojiro A.; Show all 8 Authors
- Source:
- Tetrahedron 2017
- ISSN:
- 0040-4020
- Subject:
- Photinus pyralis; bioluminescence; chemical reactions; chemical structure; image analysis; luciferase; luciferin; mice; organic compounds
- Abstract:
- ... The dimethylamino group of AkaLumine ((4S)-2-[(1E,3E)-4-[4-(dimethylamino)phenyl]-1,3-butadien-1-yl]-4,5-dihydro-4-thiazolecarboxylic acid), a red-light-emitting firefly luciferin analogue, was replaced by cyclic amino groups (1-pyrrolidinyl, 1-piperidino, 1-azepanyl, and 4-morpholino) to give AkaLumine analogues exhibiting desirable bioluminescence with emission maxima in the red region (656–667 ...
- DOI:
- 10.1016/j.tet.2017.11.051
- http://dx.doi.org/10.1016/j.tet.2017.11.051
- Author:
- Hirano, Takashi, et al. ; Yazaki, Tomotsugu; Sano, Tomohito; Show all 3 Authors
- Source:
- Forests 2016 v.7 no.11
- ISSN:
- 1999-4907
- Subject:
- Betula; Dryopteris; Rubus idaeus; Solidago gigantea; aboveground biomass; biomass production; carbon; carbon sinks; dominant species; forest damage; forests; ground vegetation; net primary productivity; nutrient availability; overstory; prediction; quantitative analysis; salvage logging; sapling growth; secondary succession; soil; temperate zones; trees; understory; windthrow; Japan
- Abstract:
- ... Quantitative evaluations of biomass accumulation after disturbances in forests are crucially important for elucidating and predicting forest carbon dynamics in order to understand the carbon sink/source activities. During early secondary succession, understory vegetation often affects sapling growth. However, reports on biomass recovery in naturally-regenerating sites are limited in Japan. Therefo ...
- DOI:
- 10.3390/f7110287
- http://dx.doi.org/10.3390/f7110287
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