Results 61 to 70 of about 8,296 (206)

sxtA4+ and sxtA4- Genotypes Occur Together within Natural Pyrodinium bahamense Sub-Populations from the Western Atlantic

open access: yesMicroorganisms, 2021
Saxitoxin (STX) is a secondary metabolite and potent neurotoxin produced by several genera of harmful algal bloom (HAB) marine dinoflagellates. The basis for variability in STX production within natural bloom populations is undefined as both toxic and ...
Kathleen Cusick, Gabriel Duran
doaj   +1 more source

Neurotoxicity [PDF]

open access: yes, 2014
Neurotoxicity refers to the direct or indirect effect of chemicals that disrupt the nervous system of humans or animals. Numerous chemicals can produce neurotoxic diseases in humans, and many more are used as experimental tools to disturb or damage the ...
Brust   +15 more
core   +2 more sources

The Concise Guide to PHARMACOLOGY 2025/26: Ion channels

open access: yesBritish Journal of Pharmacology, Volume 182, Issue S1, Page S152-S241, December 2025.
The Concise Guide to Pharmacology 2025/26 marks the seventh edition in this series of biennial publications in the British Journal of Pharmacology. Presented in landscape format, the guide provides a comparative overview of the pharmacology of drug target families. The concise nature of the Concise Guide refers to the style of presentation, being clear,
Stephen P. H. Alexander   +86 more
wiley   +1 more source

Extensive Contamination of Water with Saxitoxin Near the Dam of the Irkutsk Hydropower Station Reservoir (East Siberia, Russia)

open access: yesToxins, 2018
An area of discolored water 50 m wide and 30 m long was found in September 2017 close to the dam of the Irkutsk hydroelectric power station. Water from this spot was sampled for investigation in the present study.
Mikhail Grachev   +17 more
doaj   +1 more source

Label-Free Detection of Saxitoxin with Field-Effect Device-Based Biosensor

open access: yesNanomaterials, 2022
Saxitoxin (STX) is a highly toxic and widely distributed paralytic shellfish toxin (PSP), posing a serious hazard to the environment and human health. Thus, it is highly required to develop new STX detection approaches that are convenient, desirable, and
Najeeb Ullah   +5 more
doaj   +1 more source

Multiple Stressors at the Land-Sea Interface: Cyanotoxins at the Land-Sea Interface in the Southern California Bight

open access: yesToxins, 2017
Blooms of toxic cyanobacteria in freshwater ecosystems have received considerable attention in recent years, but their occurrence and potential importance at the land-sea interface has not been widely recognized.
Avery O. Tatters   +5 more
doaj   +1 more source

Foodborne Hazards and Novel Technologies in Ready‐to‐Eat Crustaceans

open access: yesFood Frontiers, Volume 6, Issue 6, Page 2647-2672, November 2025.
Biological hazards, including Listeria monocytogenes, norovirus, Salmonella, and Vibrio spp., and chemical hazards, including heavy metals, biotoxins, pesticides, pharmaceuticals, and personal care products, are of great concern regarding crustaceans and their consumption.
Dongli Dong   +3 more
wiley   +1 more source

Occurrence of toxin-producing cyanobacteria blooms in a Brazilian semiarid reservoir

open access: yesBrazilian Journal of Biology
We report the occurrence of cyanobacterial blooms and the presence of cyanotoxins in water samples from the Armando Ribeiro Gonçalves reservoir (06° 08’ S and 37° 07’ W), located in the state of Rio Grande do Norte, in the semiarid region of northeastern
I. A. S. Costa   +5 more
doaj   +1 more source

Mekanisme Keracunan Saraf Akibat Konsumsi Kerang-kerangan Yang Terkontaminasi Dinoflagellata Beracun (Studi Literatur) [PDF]

open access: yes, 2007
Dinoflagellata is a micro algae where live in water habitat and about 30 species can produce poison material called “sax toxin”. Organic water pollution is one of a stimulant agent blooming algae that is caused by nutrient abundance. Poison mobility from
Sudarmiati, S. (Sari)   +1 more
core   +1 more source

Cultivation of Anabaena sp. at Different Phosphorus Excess Concentrations: Growth Parameters, Value‐Added Metabolites, and Microcystin‐LR Production

open access: yesPhysiologia Plantarum, Volume 177, Issue 6, November/December 2025.
ABSTRACT Phosphorus is a key driver of cyanobacterial proliferation and the production of secondary metabolites in freshwater ecosystems. In this study, the effects of different phosphorus concentrations, including 7.10 (control treatment), 7.74, 8.38, and 9.66 mg L−1 (CP230, TP250, TP271, and TP312, respectively), on growth, valuable biochemicals, as ...
Fatemeh Rostami   +4 more
wiley   +1 more source

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