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Journal of Ocean University of China
IF
0.70
Papers
1602
Papers 1602
1 page of 161 pages (1,602 results)
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#1Hai Huang (Gulf University)
#2Man Fu (Gulf University)
Last.Meihua Chen (Gulf University)
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Oyster peptide-zinc nanoparticles (OPZNPs) (28–108 nm) were prepared in the presence of 0.5%–0.9% zinc sulfate at pH 6.0–11.0. The obtained nanoparticles exhibited uniform size distribution and spherical shapes. Nanoparticle characteristics, such as size, surface charge, and hydrophobicity, could be adjusted by controlling zinc sulfate concentration and environmental pH. Increasing pH value or decreasing zinc sulfate concentration tended to reduce nanoparticle size and increase nanoparticle surf...
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#1Liyuan Ren (Dalian Ocean University)
#2Kaiquan Li (Dalian Ocean University)H-Index: 2
Last.Yaqing Chang (Dalian Ocean University)H-Index: 11
view all 9 authors...
The p21-activated kinase 1 (PAK1) is a downstream serine/threonine kinase effector of Rac1/Cdc42 that regulates various biological processes including those associating with pathological inflammation. To investigate the function of PA K 1 in echinoderms, we isolated a new PA K 1 from sea cucumber Apostichopus japonicus (AjPAK1) by transcriptome database mining and with rapid amplification of cDNA ends (RACE). The full-length cDNA AjPAK1 was 2303bp in length, containing a 1587 bp ORF encoding 528...
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#1Ming Sun (Ocean University of China)H-Index: 4
#2Guangbin LiuH-Index: 1
Last.Wen GuoH-Index: 2
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Heavy metals, including cadmium (Cd), are widespread pollutants of great environmental concern because of their accumulation and toxicity. Environmental conditions can affect the accumulation and elimination of Cd in organisms. The aim of this study is to understand the respective responses of metallothioneins (MTs), P-glycoprotein (P-gp), and heat shock protein 70 (hsp70) genes in the mantle and digestive gland of the oyster Crassostrea gigas exposed to 10 µg L−1 Cd for 28 days, followed by a d...
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#1Lun Song (HIT: Harbin Institute of Technology)
Last.Peng Wang (HIT: Harbin Institute of Technology)
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Liaodong Bay is one of the largest semi-enclosed bays located in Bohai Sea, in northeast China. It is an important feeding and spawning place, even wintering and breeding migration base for many marine organisms. The size structure of phytoplankton communities is a key feature of marine ecosystems and can be used as an indicator for algae disaster, but the methods to evalute is still challenging. Here, we compared the size-fractionated chlorophyll-a method with a high-throughout sequencing metho...
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#1Minrui Guo (Shihezi University)
#2Guogang Chen (Shihezi University)H-Index: 1
Last.Minggang Zheng (SOA: State Oceanic Administration)H-Index: 6
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The marine microalga Nannochloropsis sp. contains various elongases and desaturases that are critical for biosynthesis of polyunsaturated fatty acids. A full-length cDNA encoding a long-chain fatty acid elongase, named NsFAE, was cloned from Nannochloropsis sp.. The open reading frame of NsFAE (GenBank accession no. MF680548) consisted of 1068bp and encoded a predicted protein of 355 amino acids with molecular mass 38.8kDa. The deduced polypeptide showed 43%-44% identity to fatty acyl elongases ...
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#1Qiang Li (THU: Tsinghua University)H-Index: 21
#2Xianzhong Mao (THU: Tsinghua University)
Last.Xiaohua Zhu (Ontario Ministry of Natural Resources)
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Internal tides generated by a rough sea floor are an important source of mixing in the abyssal ocean. Two linear models are employed to evaluate the conversion rate from barotropic tides to internal tides and the energy distribution in each mode. Considering the periodicity of internal tides, the topography is represented by periodically distributed knife edges and sinusoidal ridges within one wavelength of mode-1 internal tides. The knife edges generate greater internal tides than the sinusoida...
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#1Qun Zhou (Ontario Ministry of Natural Resources)
#2Lixin Wei (Ontario Ministry of Natural Resources)
Last.Runyu Zhang (Ontario Ministry of Natural Resources)
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In this study, we investigated the influence of the Indian Ocean Dipole (IOD) on the interannual variability of tropical cyclone (TC) activity over the western North Pacific (WNP) during autumn (September–November) from 1961–2015. We found the number of TCs making landfall in China to be significantly negatively correlated with the IOD index, which can be attributed to shifts in the location of TC formation together with the abnormal steering flow at 500 hPa. During negative IOD autumns, TC gene...
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#2Sai Zhang (Tianjin Polytechnic University)
Last.Yu Zheng (Tianjin Polytechnic University)H-Index: 3
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An expendable conductivity-temperature-depth profiler (XCTD) is one of the most important instruments used to obtain hydrological data, such as temperature and conductivity, and detect ocean depth in a large area. However, the XCTD channel provides poor time-varying performance, narrowband, and low signal-to-noise ratio (SNR), which severely restricts the data transmission rate. In contrast to conventional single-carrier modulation techniques, such as amplitude-shift keying and differential phas...
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#1Xiaoqiong Wang (Ocean University of China)
#2Yangguo Zhao (Ocean University of China)H-Index: 8
Last.Mengchun Gao (Ocean University of China)H-Index: 16
view all 7 authors...
To biologically inhibit the production of highly toxic sulfide in the aquaculture area, one bacterium, designated as Hydrogenovibrio thermophilus strain TT, was isolated from sediment in Jiaozhou Bay, China. The strain was found to be microaerobic mixtrophic, employing both carbon dioxide and organic carbons, e.g. citrate, lactate, glucose, and peptone as carbon sources. When it oxidized the sulfide and thiosulfate, oxygen was the optimal electron acceptor, followed by nitrite and nitrate, which...
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#1Xu TianH-Index: 4
#2Zuzhou Jiang (China University of Petroleum)H-Index: 3
Last.Fangjian Xu (China University of Petroleum)H-Index: 5
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The concentrations of rare earth elements (REEs) in the bulk sediment of Core X2, which was collected from southeastern Hainan Island, were analyzed to investigate the relative contributions of various provenance regions since mid-Holocene. The results show that sediments in Core X2 were primarily derived from Hainan Island with lesser amounts from Taiwan and limited input from the Pearl River. Based on the application of quantitative inversion to model the REE data, the average contributions of...
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Top fields of study
Oceanography
Ecology
Climatology
Fishery
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