Results 191 to 200 of about 11,510 (261)

Analytical and functional profiles of paralytic shellfish toxins extracted from Semele proficua and Senilia senilis from Angola. [PDF]

Heliyon
Raposo-García S, Botana AM, Rey V, Costas C, Rodríguez-Santos L, Louzao MC, Vale C, Botana LM.   +7 more
europepmc   +1 more source

Development of a Quick and Highly Sensitive Amplified Luminescent Proximity Homogeneous Assay for Detection of Saxitoxin in Shellfish. [PDF]

Toxins (Basel)
Zhao C, Zhang Z, Li J, Lu Y, Ma F, Wang Z, Geng J, Huang B, Qin Y.   +8 more
europepmc   +1 more source

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A carboxyl-functionalized covalent organic polymer for the efficient adsorption of saxitoxin

Journal of Hazardous Materials, 2023
Saxitoxin (STX), the most widely distributed neurotoxin in marine waters and emerging cyanotoxin of concern in freshwaters, causes paralytic shellfish poisoning in humans upon consumption of contaminated shellfish.
Joana Araújo, Laura M Salonen, Begoña Espiña   +2 more
exaly   +2 more sources

Saxitoxin

Angewandte Chemie - International Edition, 2014
AbstractDie lähmend wirkende Verbindung (+)‐Saxitoxin (STX), die mit den Roten Tiden der Meere und der paralytischen Schalentiervergiftung assoziiert wird, ist ein potenter Inhibitor der elektrischen Leitung in erregbaren Zellen. Seine tückischen Wirkungen sind eine Folge der Hemmung spannungsgesteuerter Natriumionenkanäle (NaVs), d. h.
Arun P, Thottumkara, William H, Parsons, J, Du Bois   +2 more
exaly   +4 more sources

Determination of Saxitoxin by Aptamer-Based Surface-Enhanced Raman Scattering

Analytical Letters, 2019
Saxitoxin is one of the most harmful paralytic shellfish toxins due to its high toxicity and adverse effects on the environment and human health. Aptasensors provide simple detection procedures because they have the advantages of chemical stability, easy
Sheng Cheng, Bin Zheng, Dongbao Yao
exaly   +2 more sources

Synthesis of Saxitoxin and Its Derivatives

Organic Letters, 2020
The chiral synthesis of (+)-saxitoxin and its derivatives is described. Two consecutive carbon-nitrogen bonds at C-5 and C-6 in saxitoxin were effectively installed by the sequential Overman rearrangement of an allylic vicinal diol derived from d-malic acid.
Yuya Okuyama, Ryosuke Okamoto, Shori Mukai, Kyoko Kinoshita, Takaaki Sato, Noritaka Chida   +5 more
openaire   +3 more sources

Electrochemical biosensor with aptamer/porous platinum nanoparticle on round-type micro-gap electrode for saxitoxin detection in fresh water.

Biosensors & bioelectronics, 2022
Cyanotoxins are toxins produced by cyanobacteria; they negatively impact water resources used by humans and disrupt ecosystems worldwide. Among cyanotoxins, saxitoxin (STX) is a small molecule that causes paralysis in humans and contamination in ...
J. Park, N. Kwon, Eunha Park, Younghun Kim, Hongje Jang, J. Min, Taek Lee   +6 more
semanticscholar   +1 more source

A competitive colorimetric aptasensor transduced by hybridization chain reaction-facilitated catalysis of AuNPs nanozyme for highly sensitive detection of saxitoxin.

Analytica Chimica Acta, 2021
Saxitoxin (STX) is a small molecule toxin (Mw. ca. 299 g/mol) with high acute toxicity, and it has urgent need of facile analytical methods. Herein, a competitive colorimetric aptasensor was developed for highly sensitive detection of STX.
Yinglin Zhao, Ling Li, Rui Ma, Lele Wang, Xiaochen Yan, Xiaoyan Qi, Sai Wang, Xiangzhao Mao   +7 more
semanticscholar   +1 more source

Shoreline Drying of Microseira (Lyngbya) wollei Biomass Can Lead to the Release and Formation of Toxic Saxitoxin Analogues to the Water Column.

Environmental Science and Technology, 2022
The harmful, filamentous cyanobacteria Microseira (Lyngbya) wollei produces several toxic analogues of saxitoxin (Lyngbya wollei toxins 1-6, or LWTs 1-6), grows in shallow water, and can deposit significant biomass on nearby shorelines.
Tryston T Metz, Samuel P Putnam, G. Scott, J. Ferry   +3 more
semanticscholar   +1 more source