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Article
Recent progress in the use of purple non-sulfur bacteria as probiotics in aquaculture
The use of probiotics in aquaculture is widely recognized as an ecological and cost-effective approach to raising healthy, pathogen-tolerant aquatic animals, including fish and shrimp. In particular for shrimp...
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Article
A metal–organic framework that exhibits CO2-induced transitions between paramagnetism and ferrimagnetism
With adequate building blocks, metal–organic frameworks (MOFs) can combine magnetic ordering and porosity. This makes MOFs a promising platform for the development of stimuli-responsive materials that show dra...
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Article
Value-Added Recycling of Distillation Remnants of Kuma Shochu: A Local Traditional Japanese Spirit, with Photosynthetic Bacteria
Kuma Shochu is a traditional spirit produced from rice in Kuma and Hitoyoshi areas, Kumamoto, Japan. Currently, the distillation remnants of Kuma Shochu are concentrated and recycled as fertilizer and animal f...
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Article
Open AccessGas-responsive porous magnet distinguishes the electron spin of molecular oxygen
Gas-sensing materials are becoming increasingly important in our society, requiring high sensitivity to differentiate similar gases like N2 and O2. For the design of such materials, the driving force of electroni...
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Article
Heat Capacity Study on Anharmonicity in Ae8Ga16Ge30 (Ae = Sr and Ba)
The heat capacity of single-crystalline samples of Sr8Ga16Ge30 (SGG) and Ba8Ga16Ge30 (BGG) clathrates was measured to investigate the anharmonicity of the encapsulated atoms. At low temperatures, BGG can be well ...
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Chapter and Conference Paper
Prospect of Nipa Sap for Bioethanol Production
The current study was initiated to study the chemical composition of nipa sap and its prospect for bioethanol production. Chemical characterization of its sap yielded in sugars content of 14.5 wt%. In addition...
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Article
On the coexistence of three predatory stonefly species in a central Japanese stream
Three large-bodied stonefly species (Paragnetina tinctipennis, Oyamia lugubris, and Kamimuria tibialis) coexist in a central Japanese stream. These species have been classified as predators. Here we study their m...
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Article
Direct Synthesis and Crystal Structure of Dehydrated State in Vapochromic MMX-type Quasi-One-Dimensional Iodide-Bridged Platinum Complexes
The dehydrated vapochromic 1D coordination polymer, (H3NC4H8NH3)2[Pt2(pop)4I] (1) was synthesized directly from methanol solution. Although vapochromic 1 · 4H 2 ...
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Article
Seasonal change in the gut clearance rate of three stonefly species in a Japanese stream
We measured seasonal changes in the gut clearance rate of three stonefly species in a stream. The rate declined with water temperature. Based on the gut clearance rate obtained here, we estimated the half-redu...
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Article
Shift between carnivory and omnivory in stream stonefly predators
Omnivory can have profound effects on the trophic dynamics of communities and ecosystems, as they may interact with multiple trophic levels simultaneously. Some species of large-bodied stoneflies may be viewed...
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Article
Photosynthetic property and primary production of phytoplankton in sublittoral sand bank area in the Seto Inland Sea, Japan
We investigated the photosynthesis–light intensity (P–I) relationships of phytoplankton collected from a sublittoral sand bank in the Seto Inland Sea, Japan, under different temperature conditions. In spite of...
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Article
Relationships between length and weight of freshwater macroinvertebrates in Japan
Relationships between weight (W; dry weight) and length (L; head capsule width, total body length or head carapace length) were examined in 31 Japanese freshwater macroinvertebrate taxa, using the form W = aL ...
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Article
The role of amphibian prey in the diet and growth of giant water bug nymphs in Japanese rice fields
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Article
The role of amphibian prey in the diet and growth of giant water bug nymphs in Japanese rice fields
Predatory insects that depend upon particular prey animals are commonly regulated by the prey animal’s abundance. Nymphs of the giant water bug Kirkaldyia (=Lethocerus) deyrolli (Heteroptera: Belostomatidae) are ...
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Article
Length-weight relationships of four predatory stonefly species in Japan
Estimates of biomass are essential for studies modeling the structure, animal growth, production, and energy flow in ecosystems. The relationships between dry weight and head capsule width or body length in su...
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Article
Length-weight relationships of two varunid crab species, Helice tridens and Chasmagnathus convexus, in Japan
Estimates of biomass are essential for studies modeling the structure, animal growth, production, and energy flow in ecosystems. The relationships between dry weight and carapace width of two varunid crab spec...
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Article
Feeding ecology of two planktonic sculpins, Comephorus baicalensis and Comephorus dybowskii (Comephoridae), in Lake Baikal
Planktonic sculpins (Comephorus baicalensis and Comephorus dybowskii) are endemic to Lake Baikal, and their migration behavior is characterized by their strange movements, which occur only vertically. We investig...
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Article
Whole-cell arsenite biosensor using photosynthetic bacterium Rhodovulum sulfidophilum
An arsenite biosensor plasmid was constructed in Escherichia coli by inserting the operator/promoter region of the ars operon and the arsR gene from E. coli and the crtA gene, which is responsible for carotenoid ...
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Article
Colorimetric dimethyl sulfide sensor using Rhodovulum sulfidophilum cells based on intrinsic pigment conversion by CrtA
A colorimetric whole-cell sensor for dimethyl sulfide (DMS) was constructed based on the in vivo conversion of intrinsic pigments in response to the analyte. In a marine bacterium, Rhodovulum sulfidophilum, carot...
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Chapter
Single-Chain Magnets:Theoretical Approach and Experimental Systems
Recently, a new class of nano-magnets has been discovered and called single-chain magnets (SCMs) by analogy to the single-molecule magnets (SMMs). These materials are composed of magnetically isolated chai...
