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K. Niwa · SciRah

Researcher profile · Semantic Scholar

K. Niwa

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K. Niwa — researcher profile on SciRah

h-index: 11
Works: 34
Citations: 280

Most-cited papers

Characterization of fermented seaweed sauce prepared from nori (Pyropia yezoensis).
M. Uchida, Hirotaka Kurushima, K. Ishihara, Y. Murata +4 more
2017Journal of Bioscience and Bioengineering59 citations
Semantic Scholar
Vibrio comitans sp. nov., Vibrio rarus sp. nov. and Vibrio inusitatus sp. nov., from the gut of the abalones Haliotis discus discus, H. gigantea, H. madaka and H. rufescens.
T. Sawabe, Y. Fujimura, K. Niwa, H. Aono
2007International Journal of Systematic and Evolutionary Microbiology36 citations Open access
Semantic Scholar
Novel one-pot method for chemoselective bromination and sequential Sonogashira coupling.
N. Kutsumura, K. Niwa, Takao Saito
2010Organic Letters29 citations
Semantic Scholar
Detection and activity of iodine-131 in brown algae collected in the Japanese coastal areas.
T. Morita, K. Niwa, K. Fujimoto, H. Kasai +15 more
2010Science of the Total Environment25 citations
Semantic Scholar
Enrichment of bacteria and alginate lyase genes potentially involved in brown alga degradation in the gut of marine gastropods
Michihiro Ito, Kotaro Watanabe, T. Maruyama, T. Mori +3 more
2019Scientific Reports19 citations Open access
Semantic Scholar
DNA barcoding and morphological analyses revealed validity of Diadema clarki Ikeda, 1939 (Echinodermata, Echinoidea, Diadematidae)
S. Chow, K. Konishi, Miyuki Mekuchi, Yasuji Tamaki +15 more
2016ZooKeys14 citations Open access
Semantic Scholar
Fish environmental DNA in Tokyo Bay: A feasibility study on the availability of environmental DNA for fisheries
Yuki Hongo, Shota Nishijima, Yuki Kanamori, Shuhei Sawayama +20 more
202113 citations
Semantic Scholar
Dietary shifts in the juvenile sea urchin Strongylocentrotus intermedius associated with the development of digestive enzymes
Toshihiro Onitsuka, K. Niwa, T. Unuma, Yuya Umezu
201513 citations
Semantic Scholar
Design factors in gas-lift advanced dissolution (GLAD) system for CO2 sequestration into the ocean
S. Kosugi, K. Niwa, T. Saito, T. Kajishima +1 more
200112 citations
Semantic Scholar
Enhanced expression of active recombinant alginate lyase AlyPEEC cloned from a marine bacterium Pseudoalteromonas elyakovii in Escherichia coli by calcium compounds
T. Sawabe, H. Takahasi, H. Saeki, K. Niwa +1 more
200711 citations Open access
Semantic Scholar
Correlations among the design factors of the CO2 ocean sequestration system, GLAD
K. Niwa, S. Kosugi, T. Saito, T. Kajishima +1 more
200511 citations
Semantic Scholar
On the Fourth Diadema Species (Diadema-sp) from Japan
S. Chow, Yoshikazu Kajigaya, Hiroaki Kurogi, K. Niwa +3 more
2014PLoS ONE10 citations Open access
Semantic Scholar
Trophic state-dependent distribution of asari clam Ruditapes philippinarum in Japanese coastal waters: possible utilization of asari stable isotope ratios as a production indicator
M. Uchida, Y. Ishihi, S. Watanabe, Mutsumi Tsujino +3 more
2023Fisheries Science8 citations Open access
Semantic Scholar
One‐Pot Method for Regioselective Bromination and Sequential Carbon–Carbon Bond‐Forming Reactions of Allylic Alcohol Derivatives
N. Kutsumura, Yusuke Matsubara, K. Niwa, Ai Ito +1 more
20137 citations
Semantic Scholar
Succession of Bacteria and Benthic Organisms on a Newly-established Artificial Reef and Neighboring Natural Rocky Reefs at Nagai in Sagami Bay, Japan
Toshihiro Onitsuka, Hiroaki Kurogi, K. Niwa, Jun Hayakawa +5 more
20133 citations
Semantic Scholar
The relationship between nutritional stress and digestive enzyme activities in sea cucumber Holothuria scabra
Jacques M. Zarate, K. Niwa, S. Watanabe
20123 citations
Semantic Scholar
1. Influences of water temperature and food conditions on growth and maturation of reared warm water abalones
Setsuo Kiyomoto, K. Murakami, R. Kimura, K. Niwa +1 more
20123 citations Open access
Semantic Scholar
A biochemical investigation on the natural diets of the long spined-sea urchin Diadema setosum
K. Niwa, Hiroaki Kurogi, Shuhei Sawayama, Yoshikazu Kajigaya +6 more
2020Nippon Suisan Gakkaishi2 citations Open access
Semantic Scholar
A DNA marker to discriminate two types of freshwater shrimp Palaemon paucidens and the distribution of these two types in Japan
S. Chow, T. Imai, M. Ikeda, Soichiro Maki +28 more
2018Nippon Suisan Gakkaishi1 citations Open access
Semantic Scholar
Total Syntheses of 3- epi-Litsenolide D2 and Lincomolide A.
N. Kutsumura, Akito Kiriseko, K. Niwa, Takao Saito
2018Journal of Organic Chemistry1 citations Open access
Semantic Scholar
A simple method to collect digestive fluid for monitoring digestive enzyme activities and gut microbes of the abalone Haliotis discus discus
K. Niwa, H. Aono, T. Sawabe
20121 citations Open access
Semantic Scholar
Erratum: A biochemical investigation on the natural diets of the long spined-sea urchin Diadema setosum
K. Niwa, Hiroaki Kurogi, Shuhei Sawayama, Yoshikazu Kajigaya +6 more
20200 citations Open access
Semantic Scholar
Abstracts of Poster Presentations
Naoaki, Tezuka, T. Shigeta, Yoshitake +6 more
20190 citations Open access
Semantic Scholar
Appearance and growth of natural abalone juveniles in association with the environmental transition at the artificial nursery habitat constructed adjacent to the coast of Nagai, Kanagawa Prefecture, Japan
Shuhei Sawayama, Hiroaki Kurogi, K. Niwa, Masakazu Hori +1 more
2019Nippon Suisan Gakkaishi0 citations Open access
Semantic Scholar
An attempt to clarify the diets of olive flounder and bigfin reef squid juveniles using PNA clamping
T. Tega, K. Niwa, S. Chow
20160 citations Open access
Semantic Scholar
海中林の衰退に伴う底生動物群集の変化:相模湾長井地先における人工礁・天然礁の比較
Ryo Orita, K. Niwa, Sawayama Shuhei, Hiroaki Kuroki +10 more
20160 citations
Semantic Scholar
Influence of food availability on gonad volumes in abalone Haliotis gigantea
S. Kiyomoto, K. Murakami, R. Kimura, K. Niwa +1 more
20160 citations Open access
Semantic Scholar
Benthic communities on artificial reef and neighboring natural rocky reefs in the coastal area
K. Niwa, Wataru Teramoto, Kurogi Hiroaki
20160 citations
Semantic Scholar
Dietary shifts in the juvenile sea urchin Strongylocentrotus intermedius associated with the development of digestive enzymes
Toshihiro Onitsuka, K. Niwa, T. Unuma, Yuya Umezu
2015Marine Biology0 citations
Semantic Scholar
One-Pot Method for Regioselective Bromination and Sequential Carbon—Carbon Bond-Forming Reactions of Allylic Alcohol Derivatives.
N. Kutsumura, Yusuke Matsebara, K. Niwa, Ai Ito +1 more
20130 citations
Semantic Scholar
Novel One‐Pot Method for Chemoselective Bromination and Sequential Sonogashira Coupling.
N. Kutsumura, K. Niwa, Takao Saito
20100 citations
Semantic Scholar
Diversity of Digestive Enzymes and Biochemical Properties of Major Polysaccharide Degrading Enzyme of Haliotis discus discus
K. Niwa, H. Aono, T. Sawabe
20090 citations
Semantic Scholar
A Study of Environmental Acceptability of CO_2 Sequestration at the Deep Ocean : Deep Ocean Sequestration of CO_2 via GLAD System
T. Saito, S. Kosugi, K. Niwa
20020 citations Open access
Semantic Scholar
521 Design factor in gas-lift advanced dissolution system for C0_2 sequestration into the ocean
S. Kosugi, K. Niwa, T. Saito, T. Kajishima +1 more
20010 citations Open access
Semantic Scholar

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