Search Results - "Takasu, Hiroyuki"
-
1
Nutrient regeneration from riverine high-molecular-weight dissolved organic matter through marine bacterial decomposition in a eutrophic coastal system: The Ariake Sea, Japan
Published in Journal of sea research (01-11-2021)“…Because riverine dissolved organic matter (DOM) has been considered less bioavailable to coastal bacteria than marine DOM produced by marine phytoplankton,…”
Get full text
Journal Article -
2
High contribution of picophytoplankton to phytoplankton biomass in a shallow, eutrophic coastal sea
Published in Marine environmental research (01-02-2023)“…We explored picophytoplankton in the surface (0 m) and bottom (2.3–8.7 m) layers of a shallow (<10 m) eutrophic coastal system (Isahaya Bay, Japan). We found…”
Get full text
Journal Article -
3
Contribution of riverine dissolved organic carbon to organic carbon decomposition in the Ariake Sea, Japan, a coastal area suffering from summer hypoxia
Published in Aquatic sciences (01-01-2023)“…Dissolved organic carbon (DOC) comprises nearly half of the riverine organic carbon flux into oceans. Although riverine DOC is involved in numerous important…”
Get full text
Journal Article -
4
Tetracycline Resistance Genes Persist at Aquaculture Farms in the Absence of Selection Pressure
Published in Environmental science & technology (15-01-2011)“…The prophylactic and therapeutic use of tetracyclines in aquaculture has been shown to contribute to the spread of tetracycline resistance in the environment…”
Get full text
Journal Article -
5
Urea is a potentially important nitrogen source for phytoplankton during red tide formation in Isahaya Bay, Japan
Published in Journal of oceanography (01-06-2022)“…Isahaya Bay in Japan has suffered from severe red tides. A previous study reported that red tides continued under dissolved inorganic nitrogen (DIN) depleted…”
Get full text
Journal Article -
6
Microbial communities on flower surfaces act as signatures of pollinator visitation
Published in Scientific reports (03-03-2015)“…Microbes are easily dispersed from one place to another and immigrant microbes might contain information about the environments from which they came. We…”
Get full text
Journal Article -
7
Influence of River Inflow and Microbial Activity on Distribution of Dissolved Organic Carbon in the Northern Part of Ariake Sea, Kyushu, Japan
Published in Journal of Water and Environment Technology (2021)“…To identify the factors controlling the distribution of dissolved organic carbon (DOC) in the northern Ariake Sea (Japan), we measured DOC, salinity and…”
Get full text
Journal Article -
8
Lower Eyelid Reconstruction Using a Myotarsocutaneous Flap while Considering the Superior and Inferior Palpebral Sulci
Published in Plastic and reconstructive surgery. Global open (17-03-2022)“…Various reconstructive procedures have been reported for full-thickness defects of the lower eyelid after tumor excision or trauma. In eyelid reconstruction,…”
Get full text
Journal Article -
9
Distribution of the Harmful Bloom-Forming Cyanobacterium, Microcystis aeruginosa, in 88 Freshwater Environments across Japan
Published in Microbes and Environments (2020)“…Microcystis aeruginosa was quantitatively surveyed in 88 freshwater environments across Japan within 3 weeks in 2011. In order to clarify the distribution…”
Get full text
Journal Article -
10
Surgical resection of intraorbital metastasis of a gastrointestinal stromal tumor resistant to chemotherapy
Published in American journal of ophthalmology case reports (01-03-2022)“…We present a case of a gastrointestinal stromal tumor (GIST) metastasis of the rectal primary resisting chemotherapy to the right orbit 15 years after excision…”
Get full text
Journal Article -
11
External Ear Melanoma Treated with Auricular Reconstruction Using Four Different Tissues in a 16-Year-Old Patient
Published in Plastic and reconstructive surgery. Global open (01-06-2023)“…The auricular region is a common site of cutaneous malignancies, most of which are nonmelanoma skin cancers, such as basal cell carcinoma and squamous cell…”
Get full text
Journal Article -
12
High Proline Content of Bacteria-Sized Particles in the Western North Pacific and Its Potential as a New Biogeochemical Indicator of Organic Matter Diagenesis
Published in Frontiers in Marine Science (16-12-2015)“…Amino acid (AA) compositions were determined for bacteria-sized particles and particulate organic matter (POM) collected in offshore regions of the western…”
Get full text
Journal Article -
13
Two-way Revascularization to Manage Celiac Artery Stenosis during Pancreaticoduodenectomy: A Case Report
Published in Plastic and reconstructive surgery. Global open (15-02-2021)“…Celiac artery (CA) occlusion, or stenosis, is not uncommon, and most cases are asymptomatic. If the CA is occluded, collateral circulation from the superior…”
Get full text
Journal Article -
14
Anatoxin-a-producing Raphidiopsis mediterranea Skuja var. grandis Hill is one ecotype of non-heterocytous Cuspidothrix issatschenkoi (Usačev) Rajaniemi et al. in Japanese lakes
Published in Harmful algae (01-01-2013)“…► Anatoxin-a-producing strains of Raphidiopsis mediterranea were reevaluated. ► Most of the strains were non-heterocystous Cuspidothrix issatschenkoi. ► The…”
Get full text
Journal Article -
15
Protistan grazing and viral lysis losses of bacterial carbon production in a large mesotrophic lake (Lake Biwa)
Published in Limnology (01-08-2014)“…The grazing and lysis mortalities of planktonic bacteria were estimated using the modified dilution method and respiratory quinone (RQ) analysis in mesotrophic…”
Get full text
Journal Article -
16
Estimation of carbon biomass and community structure of planktonic bacteria in Lake Biwa using respiratory quinone analysis
Published in Limnology (01-08-2013)“…The relationship between bacterial respiratory quinone (RQ) concentration and biomass was assessed for Lake Biwa bacterial assemblages to evaluate the utility…”
Get full text
Journal Article -
17
Effect of water-surface discharge on the inactivation of Bacillus subtilis due to protein lysis and DNA damage
Published in Bioscience, biotechnology, and biochemistry (01-09-2009)“…The effect of water-surface discharge on the inactivation of Bacillus subtilis ATCC6633 in water was examined by using a very short high-voltage pulse…”
Get full text
Journal Article -
18
Effects of TiO2 and ZnO nanoparticles on the growth of phytoplankton assemblages in seawater
Published in Marine environmental research (01-01-2023)“…Compounds in sunscreen such as ultraviolet (UV) filters protect human skin from damage caused by UV radiation exposure. However, sunscreen components reach…”
Get full text
Journal Article -
19
Lability of sedimentary organic nitrogen estimated from amino acids in a reservoir on land reclaimed from Isahaya Bay, Kyushu, Japan
Published in Limnologica (01-05-2024)“…In 1997, the inner part of Isahaya Bay on the west coast of the Ariake Sea was separated from the sea by dikes, leading to the formation of a freshwater…”
Get full text
Journal Article -
20
Response of zooxanthellate scleractinian corals to elevation of seawater temperature during summer in a temperate Japanese coastal sea (Takashima, Japan)
Published in Marine ecology (Berlin, West) (01-08-2024)“…In contrast to tropical and subtropical regions, where coral abundance is declining due to elevated summer seawater temperatures, expansions of coral ranges…”
Get full text
Journal Article