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Photosynthetic recovery of desiccated intertidal seaweeds after rehydration

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Progress in Natural Science:Materials International 2005年第8期15卷 689-693页

作者： TANAKA jiro Japan Konan-4 Minato-ku Tokyo 108-8477 Tokyo University of Marine Science and Technology

Intertidal seaweeds experience periodical desiccation and rehydration to different extents due to the tidal cycles and their vertical distributions. Their photosynthetic recovery process during the rehydration may show different patterns among the seaweeds from different zonations or depths at intertidal zone. In this study 12 species of seaweeds collected from the upper, middle, lower and sublittoral zones were examined. The relationship of the photosynthetic recovery to vertical distribution was assessed by comparing their patterns of photosynthetic and respiratory performances after rehydration following desiccation. Both the photosynthesis and dark respiration declined during emersion, showing certain degrees of recovery after re-immersion into seawater for most species, but the extents were markedly different from one species to the other. The species from upper intertidal zone after being rehydrated for 1 hour, following 2 hours of desiccation, achieved 100% recovery of their initial physiological activity, while most of the lower or sublittoral species did not achieve full recovery. It is the ability to withstand desiccation stress (fast recovery during rehydration), but not that to avoid desiccation (water retaining ability) that determines the distribution of intertidal seaweeds. Such physiological behavior during rehydration after desiccation reflects the adaptive strategy of intertidal seaweeds against desiccation and their capability of primary production in the process of rehydration.

关键词： seaweeds desiccation emersion intertidal photosynthetic recovery.

Prolapsed tongue papilloma cured by administration of the traditional Japanese(Kampo) herbal medicine, Keishibukuryogan-ka-yokuinin:A case report

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Journal of Integrative Medicine 2020年第6期18卷 535-538页

作者： Masahiro Sakata jiro Watanabe National Hospital Organization Fukuyama Medical Center FukuyamaHiroshima 720-8520Japan Department of Gastroenterology and Hepatology Okayama University Graduate School of MedicineDentistry and Pharmaceutical SciencesOkayamashiOkayama 700-8558Japan

Squamous papilloma is a benign mass lesion of the oral mucosa. For papillomas of the tongue, surgery is recommended owing to their malignant potential;however, certain complications may be associated with surgery. A traditional Japanese(Kampo) herbal medicine, Keishibukuryogan-ka-yokuinin(KBGY),has been used to treat viral warts and various skin diseases in Japan. Therefore, the effect of KBGY on papillomas is promising. A 49-year-old Japanese man presented with a wart on his tongue that was about3 months old. He smoked 5 cigarettes per day. He did not drink alcohol. He had no history of malignant illnesses. He was taking alprazolam for panic disorder. The patient was diagnosed with a suspected papilloma of the tongue at the Department of Otolaryngology and was advised to undergo an excision biopsy to exclude malignancy. However, he refused owing to the fear of an invasive procedure. After informed consent was obtained from the patient, KBGY was prescribed. Three months later, the wart on his tongue spontaneously prolapsed. The histopathological diagnosis was squamous papilloma. There was no indication of malignancy, and the patient discontinued Kampo treatment. He has had no recurrence in the past 3 years. KBGY is a combination of Keishibukuryogan and yokuinin(adlay seeds).Keishibukuryogan may be beneficial for skin or oral mucosal remodeling, and yokuinin may have antiviral properties. The present case report suggests the use of KBGY as an appropriate complementary therapy for squamous papilloma.

关键词： Kampo Keishibukuryogan-ka-yokuinin Adlay Papilloma

Higher Performance Seismic Structures for Advanced Cities and Societies

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Engineering 2019年第2期5卷 184-189页

作者： jiro Takagi Akira Wada Graduate School of Urban Environmental Sciences Tokyo Metropolitan University Tokyo 192-0397 Japan Materials and Structures Laboratory Tokyo Institute of Technology Tokyo 226-8503 Japan

1. Introduction Tokyo, one of the largest cities in the world, is the capital of Japan, a heavily earthquake-prone country. The Japanese population and much of its functionality are highly concentrated in Tokyo. The estimated damage to Tokyo as a result of future large earthquakes with a magnitude greater than the Japanese scale 7 is extremely high. The number of casualties could exceed 20 000 due to both the shaking itself and post-earthquake fires.

关键词： Introduction Tokyo highly concentrated post-earthquake fires

Generation of spectrally stable 6.5-fs visible pulses via filamentation in krypton

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High Power Laser Science and Engineering 2016年第2期4卷 75-79页

作者： Keisuke Kaneshima Kengo Takeuchi Nobuhisa Ishii jiro Itatani The Institute for Solid State Physics The University of Tokyo

We produced 5-μJ, 6.5-fs visible pulses at a repetition rate of 1 kHz using filamentation in a gas cell filled with krypton followed by spectral selection and phase compensation by a combination of dielectric mirrors. The visible pulses have a smooth spectrum from 520 to 650 nm with a shot-to-shot stability in each spectral component of better than 2%(standard deviation). This pulse compression scheme is simple and robust, and can be easily integrated into intense ultrashort-pulse laser systems.

关键词： filamentation ultrafast spectroscopy ultrashort visible pulses

Magneto-Optical Properties of Wider Gap Semiconductors ZnMnTe and ZnMnSe Films Prepared by MBE

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Journal of Electronic Science and Technology 2020年第3期18卷 201-211页

作者： Masaaki Imamura Daisuke Tashima jiro Kitagawa Hironori Asada Department of Electrical Engineering Fukuoka Institute of TechnologyFukuoka 811-0295 Graduate School of Sciences and Technology of Innovation Yamaguchi UniversityUbe 755-8611

TheⅡ-Ⅵbased magnetic semiconductors with a direct and wide optical bandgap are expected to show high potential for optical applications utilizing short wavelength laser diodes(LDs),such as 532-nm green and475-nm blue *** have confirmed that the Faraday rotationθ_F in the ZnMnTe and ZnMnSe films deposited on quartz glass(QG)and sapphire(SA)substrates by using molecular beam epitaxy(MBE)is large near the absorption *** paper reports the magneto-optical properties of ZnMnTe and ZnMnSe films synthesized on the QG and SA substrates,and shows the result of a direct Faraday rotation observation successfully made for the ZnMnTe films under 1.28-kHz alternating magnetic *** optical absorption characteristics of the ZnMnTe films grown on the SA substrates by MBE are discussed by comparing them with the optical absorption properties and photoluminescence spectra of theⅡ-ⅥZnTe parent single crystals.

关键词： Magnetic semiconductors magneto-optical effects wide bandgap ZnMnTe and ZnMnSe films

Stimulatory effect on the transport mediated by organic anion transporting polypeptide 2B1

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Asian Journal of Pharmaceutical Sciences 2020年第2期15卷 181-191页

作者： jiro Ogura Hiroaki Yamaguchi Nariyasu Mano Tohoku University Hospital Department of Pharmaceutical SciencesMiyagi 980-8574Japan

Drug-drug interaction(DDI)is one of causes of adverse drug events and can result in lifethreatening *** anion-transporting polypeptide(OATP)2B1 is a major uptake transporter in the intestine and contributes to transport various clinically used therapeutic *** intestine has a high risk of DDI,because it has a special propensity to be exposed to a high concentration of ***,understanding drug interaction mediated by OATP2B1 in the absorption process is important for the prevention of adverse drug events,including decrease in the therapeutic effect of co-administered *** drug interaction occurs through the direct inhibitory effect on transporters,including ***,some compounds such as clinically used drugs and food components have an acute stimulatory effect on transport of co-administered drugs by *** review summarizes the acute stimulatory effect on the transport mediated by OATP2B1 and discusses the mechanisms of the acute stimulatory effects of *** are two types of acute stimulatory effects,substrate-independent and-dependent interactions on OATP2B1 *** facilitating translocation of OATP2B1 to the plasma membrane is one of causes for the substrate-independent acute stimulatory *** the contrary,the substrate-dependent effect is based on the direct binding to the substrate-binding site or allosteric progesterone-binding site of OATP2B1.

关键词： OATP2B1 Drug interaction Stimulatory effect Membrane translocation Conformational change

Lightweight and flexible Cu(In,Ga)Se_(2) solar minimodules:toward 20% photovoltaic efficiency and beyond

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npj Flexible Electronics 2022年第1期6卷 892-898页

作者： Shogo Ishizuka Yukiko Kamikawa jiro Nishinaga Research Institute for Energy Conservation National Institute of Advanced Industrial Science and TechnologyTsukubaJapan

Lightweight and flexible photovoltaic solar cells and modules are promising technologies that may result in the wide usage of lightto-electricity energy conversion *** communication presents the prospects of Cu(In,Ga)Se_(2)(CIGS)-based lightweight and flexible photovoltaic *** current status of flexible CIGS minimodules with photovoltaic efficiency values greater than 18%and future directions to enhance their efficiency values toward>20%are *** effects of cell separation edges,which are formed through a mechanical,laser,or photolithography scribing process used to fabricate solar cells and modules,on the device performance are also *** found that mechanically scribed CIGS device edges,which are present in conventional solar cells and modules,cause deterioration of device *** other words,further improvement is expected with appropriate passivation/termination treatment of the edges or replacing mechanical scribing with a damage-free separation process.

关键词： CIGS modules separation

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Asian gut microbiome

Science Bulletin 2017年第12期62卷 816-817页

作者： jiro Nakayama Heping Zhang Yuan-Kun Lee Department of Bioscience and Biotechnology Faculty of AgricultureKyushu University Key Laboratory of Dairy Biotechnology and Engineering Education Ministry of P.R.ChinaDepartment of Food Science and EngineeringInner Mongolia Agricultural University Department of Microbiology & Immunology National University of Singapore

Several hundred microbial species inhabit the human gastrointestinal(GI)tract and constitute a complex ecological community that influences the host’s physiology and immunity through their metabolism and interactions with the host[1,2].The composition of the GI microbiota varies among *** intrinsic and extrinsic factors,including host genetics and physiology,drug and disease,and diets and some other living environments。

关键词：胃肠道微生物亚洲胃肠道菌群饮食习惯生物物种生态群落相互作用新陈代谢

Reverse current reduction of Ge photodiodes on Si without post-growth annealing

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Chinese Optics Letters 2009年第4期7卷 286-290页

作者： Sungbong Park Shinya Takita Yasuhiko Ishikawa jiro Osaka Kazumi Wada Department of Materials Engineering University of Tokyo

A new approach to reduce the reverse current of Ge pin photodiodes on Si is presented, in which an i-Si layer is inserted between Ge and top Si layers to reduce the electric field in the Ge layer. Without post- growth annealing, the reverse current density is reduced to -10 mA/cm^2 at -1 V, i.e., over one order of magnitude lower than that of the reference photodiode without i-Si layer. However, the responsivity of the photodiodes is not severely compromised. This lowered-reverse-current is explained by band-pinning at the i-Si/i-Ge interface. Barrier lowering mechanism induced by E-field is also discussed. The presented ＂non-thermal＂ approach to reduce reverse current should accelerate electronics-photonics convergence by using Oe on the Si complementary metal oxide semiconductor （CMOS） platform.

关键词： CMOS integrated circuits Electric fields Germanium Metals MOS devices Oxide semiconductors Photodiodes Silicon Silicon on insulator technology