Algal ciguatoxin identified as source of ciguatera poisoning in the Caribbean
In this study, in vitro and chemical techniques were applied to unambiguously identify a novel C-CTX analogue, C-CTX5, from Gambierdiscus silvae and Gambierdiscus caribaeus strains from the Caribbean. Metabolism in vitro by fish liver microsomes converted algal C-CTX5 into C-CTX1/2, the dominant CTX in ciguatoxic fish from the Caribbean. Furthermore, C-CTX5 from G. silvae was confirmed to have voltage-gated sodium-channel-specific activity. This finding is crucial for risk assessment, understanding the fate of C-CTXs in food webs, and is a prerequisite for development of effective analytical methods and monitoring programs...
Source: Chemosphere - April 12, 2023 Category: Chemistry Authors: Elizabeth M Mudge Christopher O Miles Lada Ivanova Silvio Uhlig Keiana S James Deana L Erdner Christiane K F æste Pearse McCarron Alison Robertson Source Type: research

Algal ciguatoxin identified as source of ciguatera poisoning in the Caribbean
In this study, in vitro and chemical techniques were applied to unambiguously identify a novel C-CTX analogue, C-CTX5, from Gambierdiscus silvae and Gambierdiscus caribaeus strains from the Caribbean. Metabolism in vitro by fish liver microsomes converted algal C-CTX5 into C-CTX1/2, the dominant CTX in ciguatoxic fish from the Caribbean. Furthermore, C-CTX5 from G. silvae was confirmed to have voltage-gated sodium-channel-specific activity. This finding is crucial for risk assessment, understanding the fate of C-CTXs in food webs, and is a prerequisite for development of effective analytical methods and monitoring programs...
Source: Chemosphere - April 12, 2023 Category: Chemistry Authors: Elizabeth M Mudge Christopher O Miles Lada Ivanova Silvio Uhlig Keiana S James Deana L Erdner Christiane K F æste Pearse McCarron Alison Robertson Source Type: research

Flexible-fabricated sensor module with programmable magnetic actuators coupled to L-cysteine functionalized Ag@Fe < sub > 3 < /sub > O < sub > 4 < /sub > complexes for Cu < sup > 2+ < /sup > detection in fish tissues
Biomed Microdevices. 2023 Apr 10;25(2):15. doi: 10.1007/s10544-023-00654-2.ABSTRACTHeavy metal contamination for seafood, particularly fish, is arising great concerns, and consequentially it is necessary to develop a simple and direct detection method. In this work, Ag@Fe3O4 is successfully prepared by simple solvothermal method, and we present a flexible-fabricated sensor module with assembled programmable magnetic actuators. The resulting sensor integrates a three-electrode system with two programmable magnetic actuators at the bottom of the device, which regulates the amount of current by adjusting the brake to control ...
Source: Biomedical Microdevices - April 10, 2023 Category: Biomedical Engineering Authors: Kuiguo Han Bin Jiang Yanqun Tong Wen Zhang Xiaobo Zou Jiyong Shi Xiaoyu Su Source Type: research

Flexible-fabricated sensor module with programmable magnetic actuators coupled to L-cysteine functionalized Ag@Fe < sub > 3 < /sub > O < sub > 4 < /sub > complexes for Cu < sup > 2+ < /sup > detection in fish tissues
Biomed Microdevices. 2023 Apr 10;25(2):15. doi: 10.1007/s10544-023-00654-2.ABSTRACTHeavy metal contamination for seafood, particularly fish, is arising great concerns, and consequentially it is necessary to develop a simple and direct detection method. In this work, Ag@Fe3O4 is successfully prepared by simple solvothermal method, and we present a flexible-fabricated sensor module with assembled programmable magnetic actuators. The resulting sensor integrates a three-electrode system with two programmable magnetic actuators at the bottom of the device, which regulates the amount of current by adjusting the brake to control ...
Source: Biomedical Microdevices - April 10, 2023 Category: Biomedical Engineering Authors: Kuiguo Han Bin Jiang Yanqun Tong Wen Zhang Xiaobo Zou Jiyong Shi Xiaoyu Su Source Type: research

Flexible-fabricated sensor module with programmable magnetic actuators coupled to L-cysteine functionalized Ag@Fe < sub > 3 < /sub > O < sub > 4 < /sub > complexes for Cu < sup > 2+ < /sup > detection in fish tissues
Biomed Microdevices. 2023 Apr 10;25(2):15. doi: 10.1007/s10544-023-00654-2.ABSTRACTHeavy metal contamination for seafood, particularly fish, is arising great concerns, and consequentially it is necessary to develop a simple and direct detection method. In this work, Ag@Fe3O4 is successfully prepared by simple solvothermal method, and we present a flexible-fabricated sensor module with assembled programmable magnetic actuators. The resulting sensor integrates a three-electrode system with two programmable magnetic actuators at the bottom of the device, which regulates the amount of current by adjusting the brake to control ...
Source: Biomedical Microdevices - April 10, 2023 Category: Biomedical Engineering Authors: Kuiguo Han Bin Jiang Yanqun Tong Wen Zhang Xiaobo Zou Jiyong Shi Xiaoyu Su Source Type: research

Flexible-fabricated sensor module with programmable magnetic actuators coupled to L-cysteine functionalized Ag@Fe < sub > 3 < /sub > O < sub > 4 < /sub > complexes for Cu < sup > 2+ < /sup > detection in fish tissues
Biomed Microdevices. 2023 Apr 10;25(2):15. doi: 10.1007/s10544-023-00654-2.ABSTRACTHeavy metal contamination for seafood, particularly fish, is arising great concerns, and consequentially it is necessary to develop a simple and direct detection method. In this work, Ag@Fe3O4 is successfully prepared by simple solvothermal method, and we present a flexible-fabricated sensor module with assembled programmable magnetic actuators. The resulting sensor integrates a three-electrode system with two programmable magnetic actuators at the bottom of the device, which regulates the amount of current by adjusting the brake to control ...
Source: Biomedical Microdevices - April 10, 2023 Category: Biomedical Engineering Authors: Kuiguo Han Bin Jiang Yanqun Tong Wen Zhang Xiaobo Zou Jiyong Shi Xiaoyu Su Source Type: research

Flexible-fabricated sensor module with programmable magnetic actuators coupled to L-cysteine functionalized Ag@Fe < sub > 3 < /sub > O < sub > 4 < /sub > complexes for Cu < sup > 2+ < /sup > detection in fish tissues
Biomed Microdevices. 2023 Apr 10;25(2):15. doi: 10.1007/s10544-023-00654-2.ABSTRACTHeavy metal contamination for seafood, particularly fish, is arising great concerns, and consequentially it is necessary to develop a simple and direct detection method. In this work, Ag@Fe3O4 is successfully prepared by simple solvothermal method, and we present a flexible-fabricated sensor module with assembled programmable magnetic actuators. The resulting sensor integrates a three-electrode system with two programmable magnetic actuators at the bottom of the device, which regulates the amount of current by adjusting the brake to control ...
Source: Biomedical Microdevices - April 10, 2023 Category: Biomedical Engineering Authors: Kuiguo Han Bin Jiang Yanqun Tong Wen Zhang Xiaobo Zou Jiyong Shi Xiaoyu Su Source Type: research

Flexible-fabricated sensor module with programmable magnetic actuators coupled to L-cysteine functionalized Ag@Fe < sub > 3 < /sub > O < sub > 4 < /sub > complexes for Cu < sup > 2+ < /sup > detection in fish tissues
Biomed Microdevices. 2023 Apr 10;25(2):15. doi: 10.1007/s10544-023-00654-2.ABSTRACTHeavy metal contamination for seafood, particularly fish, is arising great concerns, and consequentially it is necessary to develop a simple and direct detection method. In this work, Ag@Fe3O4 is successfully prepared by simple solvothermal method, and we present a flexible-fabricated sensor module with assembled programmable magnetic actuators. The resulting sensor integrates a three-electrode system with two programmable magnetic actuators at the bottom of the device, which regulates the amount of current by adjusting the brake to control ...
Source: Biomedical Microdevices - April 10, 2023 Category: Biomedical Engineering Authors: Kuiguo Han Bin Jiang Yanqun Tong Wen Zhang Xiaobo Zou Jiyong Shi Xiaoyu Su Source Type: research

Flexible-fabricated sensor module with programmable magnetic actuators coupled to L-cysteine functionalized Ag@Fe < sub > 3 < /sub > O < sub > 4 < /sub > complexes for Cu < sup > 2+ < /sup > detection in fish tissues
Biomed Microdevices. 2023 Apr 10;25(2):15. doi: 10.1007/s10544-023-00654-2.ABSTRACTHeavy metal contamination for seafood, particularly fish, is arising great concerns, and consequentially it is necessary to develop a simple and direct detection method. In this work, Ag@Fe3O4 is successfully prepared by simple solvothermal method, and we present a flexible-fabricated sensor module with assembled programmable magnetic actuators. The resulting sensor integrates a three-electrode system with two programmable magnetic actuators at the bottom of the device, which regulates the amount of current by adjusting the brake to control ...
Source: Biomedical Microdevices - April 10, 2023 Category: Biomedical Engineering Authors: Kuiguo Han Bin Jiang Yanqun Tong Wen Zhang Xiaobo Zou Jiyong Shi Xiaoyu Su Source Type: research

Flexible-fabricated sensor module with programmable magnetic actuators coupled to L-cysteine functionalized Ag@Fe < sub > 3 < /sub > O < sub > 4 < /sub > complexes for Cu < sup > 2+ < /sup > detection in fish tissues
Biomed Microdevices. 2023 Apr 10;25(2):15. doi: 10.1007/s10544-023-00654-2.ABSTRACTHeavy metal contamination for seafood, particularly fish, is arising great concerns, and consequentially it is necessary to develop a simple and direct detection method. In this work, Ag@Fe3O4 is successfully prepared by simple solvothermal method, and we present a flexible-fabricated sensor module with assembled programmable magnetic actuators. The resulting sensor integrates a three-electrode system with two programmable magnetic actuators at the bottom of the device, which regulates the amount of current by adjusting the brake to control ...
Source: Biomedical Microdevices - April 10, 2023 Category: Biomedical Engineering Authors: Kuiguo Han Bin Jiang Yanqun Tong Wen Zhang Xiaobo Zou Jiyong Shi Xiaoyu Su Source Type: research

Flexible-fabricated sensor module with programmable magnetic actuators coupled to L-cysteine functionalized Ag@Fe < sub > 3 < /sub > O < sub > 4 < /sub > complexes for Cu < sup > 2+ < /sup > detection in fish tissues
Biomed Microdevices. 2023 Apr 10;25(2):15. doi: 10.1007/s10544-023-00654-2.ABSTRACTHeavy metal contamination for seafood, particularly fish, is arising great concerns, and consequentially it is necessary to develop a simple and direct detection method. In this work, Ag@Fe3O4 is successfully prepared by simple solvothermal method, and we present a flexible-fabricated sensor module with assembled programmable magnetic actuators. The resulting sensor integrates a three-electrode system with two programmable magnetic actuators at the bottom of the device, which regulates the amount of current by adjusting the brake to control ...
Source: Biomedical Microdevices - April 10, 2023 Category: Biomedical Engineering Authors: Kuiguo Han Bin Jiang Yanqun Tong Wen Zhang Xiaobo Zou Jiyong Shi Xiaoyu Su Source Type: research

Characterization and antivibrio activity of chitosan-citral Schiff base calcium complex for a calcium citrate sustained release antibacterial agent
This study provided necessary data for the further design and development of chitosan antibacterial agents, food and feed additives.PMID:37023879 | DOI:10.1016/j.ijbiomac.2023.124355 (Source: International Journal of Biological Macromolecules)
Source: International Journal of Biological Macromolecules - April 6, 2023 Category: Biochemistry Authors: Ran Tao Ning Zhang Liangliang Zhang Th éogène Habumugisha Yicun Chen Yin Lu Yinjuan Wang Kui Wang Yangdong Wang Jianchun Jiang Source Type: research

Characterization and antivibrio activity of chitosan-citral Schiff base calcium complex for a calcium citrate sustained release antibacterial agent
This study provided necessary data for the further design and development of chitosan antibacterial agents, food and feed additives.PMID:37023879 | DOI:10.1016/j.ijbiomac.2023.124355 (Source: International Journal of Biological Macromolecules)
Source: International Journal of Biological Macromolecules - April 6, 2023 Category: Biochemistry Authors: Ran Tao Ning Zhang Liangliang Zhang Th éogène Habumugisha Yicun Chen Yin Lu Yinjuan Wang Kui Wang Yangdong Wang Jianchun Jiang Source Type: research

Surveillance of SARS-CoV-2 at the Huanan Seafood Market
Nature, Published online: 05 April 2023; doi:10.1038/s41586-023-06043-2Surveillance of SARS-CoV-2 at the Huanan Seafood Market (Source: Nature AOP)
Source: Nature AOP - April 5, 2023 Category: Research Authors: William J. Liu Peipei Liu Wenwen Lei Zhiyuan Jia Xiaozhou He Weifeng Shi Yun Tan Shumei Zou Gary Wong Ji Wang Feng Wang Gang Wang Kun Qin Rongbao Gao Jie Zhang Min Li Wenling Xiao Yuanyuan Guo Ziqian Xu Yingze Zhao Jingdong Song Jing Zhang Wei Zhen Wentin Source Type: research

Heavy Metal and Trace Element Levels in Hair Samples from Fishermen in Turkey: The Fish/Ermen Heavy Metal Study (FHMS)
Biol Trace Elem Res. 2023 Apr 4. doi: 10.1007/s12011-023-03653-9. Online ahead of print.ABSTRACTToxic chemicals from polluted seas can enter the human body through seafood consumption and cause health problems. The aim of this study was to evaluate the levels of selected heavy metals and trace elements among fishermen who frequently consumed seafood and controls who consumed seafood less frequently in four provinces on the shores of the Sea of Marmara, which is heavily polluted by industrial activities. Fourteen elements (antimony, arsenic, cadmium, chromium, copper, iron, lead, manganese, mercury, nickel, selenium, stront...
Source: Biological Trace Element Research - April 4, 2023 Category: Biology Authors: Yusuf Demirta ş Murat Topba ş Derya Çamur Meri ç Albay H üseyin İlter Ferruh Niyazi Ayo ğlu Ahmet Alt ın Murat Can B üşra Parlak Somuncu Bilgehan A çıkgöz Fatih Ayd ın Source Type: research