Results 21 to 30 of about 2,724 (205)
Visible Fluorescence Chemosensor for Saxitoxin [PDF]
The Journal of Organic Chemistry, 2007 Absorption spectra of a number of shellfish extracts have been obtained and reveal prominent absorptions in all samples at 210 and 260 nm and at 325 nm in some of them. These absorptions preclude the use of chromophores with similar absorptions in testing of shellfish samples for paralytic shellfish toxins.
Robert E, Gawley +4 more
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The Common Sunstar Crossaster papposus—A Neurotoxic Starfish
Marine Drugs, 2021 Saxitoxins (STXs) are a family of potent neurotoxins produced naturally by certain species of phytoplankton and cyanobacteria which are extremely toxic to mammalian nervous systems.
Karl J. Dean +13 more
doaj +1 more source
Tropical cyanobacterial blooms: A review of prevalence, problem taxa, toxins and influencing environmental factors [PDF]
, 2015 © 2015, Page Press Publications. All rights reserved. Toxic cyanobacterial blooms are a major issue in freshwater systems in many countries. The potentially toxic species and their ecological causes are likely to be different in tropical zones from those
Furey, A +4 more
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Journal of Limnology, 2019 Cyanobacteria harmful algal blooms (CyanoHABs) have become increasingly frequent and intense in public supply reservoirs as a result of eutrophication and global climate change.
Ranielle Daiana dos Santos Silva +6 more
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Finding Species-Specific Extracellular Surface-Facing Proteomes in Toxic Dinoflagellates
Toxins, 2021 As a sequel to our previous report of the existence of species-specific protein/peptide expression profiles (PEPs) acquired by mass spectrometry in some dinoflagellates, we established, with the help of a plasma-membrane-impermeable labeling agent, a ...
Kenrick Kai-yuen Chan +6 more
doaj +1 more source
Toxins, 2015 Human health risks from cyanobacterial blooms are primarily related to cyanotoxins that some cyanobacteria produce. Not all species of cyanobacteria can produce toxins.
David Farrer +3 more
doaj +1 more source
MethodsX, 2021 The monitoring of marine biotoxins (MBTs) in seawater is presented as an alternative strategy to determine their presence and the possible implications in the ecosystem.
Cristina Bosch-Orea +2 more
doaj +1 more source
A Stereocontrolled Synthesis of (+)-Saxitoxin [PDF]
Journal of the American Chemical Society, 2011 A concise stereoselective total synthesis of (+)-saxitoxin is described. A silver(I)-initiated hydroamination cascade constructs the bicyclic guanidinium ion core from a alkynyl bisguanidine. This sequence creates two C-N bonds, one C-O bond, and three rings and forms a single stereoisomer in a single synthetic transformation.
Vasudev R, Bhonde, Ryan E, Looper
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Toxins, 2020 Paralytic shellfish toxins (PSTs) are a complex class of analogs of the potent neurotoxin saxitoxin (STX). Since calibration standards are not available for many PSTs, including C-11 hydroxyl analogs called M-toxins, accurate quantitation by liquid ...
Jiangbing Qiu +5 more
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Bacterial Production of Saxitoxin
Agricultural and Biological Chemistry, 1988 A bacterium was isolated from the homogenate of Protogonyaulax tamarensis cells cultured in T1 medium containing antibiotics. The culture broth after centrifugation, to remove the cells, and the bacterial cells contained a toxin that could kill mice with signs similar to those of poisoning by paralytic shellfish toxins or tetrodotoxin. The toxin in the
Masaaki KODAMA +2 more
openaire +2 more sources