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Saxitoxin is a neurotoxin naturally produced by certain species of marine dinoflagellates (Alexandrium sp., Gymnodinium sp., Pyrodinium sp.) and freshwater cyanobacteria (Dolichospermum cicinale sp., some Aphanizomenon spp., Cylindrospermopsis sp., Lyngbya sp., Planktothrix sp.) [1] [2] Saxitoxin accumulates in "planktivorous invertebrates, including mollusks (bivalves and gastropods ...
Nonoxynol-9 is a common ingredient of most vaginal and anal lubricants due to its spermicidal properties. A 2004 study found that over a six-month period, the typical-use failure rates for five nonoxynol-9 vaginal contraceptives (film, suppository, and gels at three different concentrations) ranged from 10% to 20%.
Jetstar Boeing 787 fact sheet. A factsheet or fact sheet, also called fact file, is a single-page document containing essential information about a product, substance, service or other topic. Factsheets are frequently used to provide information to an end user, consumer or member of the public in concise, simple language. They generally contain ...
Chickens are one of the most common domesticated animals in the world. Here's some fun facts about the bird.
The fact that valine and isoleucine are both beta branched, the beta sheet is their secondary structure of preference. Since both of these amino acids are also hydrophobic this mutation is thought to have little interference with the folding and stability of the protein. The last differentiation in amino acid configuration is at Asn-45/Asp-45 ...
Keira Knightley, 39, stars in Netflix's new spy thriller 'Black Doves.' Here's how she trained for the series, plus all the details on her workouts and diet.
NEW YORK (Reuters) -Damian Williams, the top federal prosecutor in Manhattan who secured convictions of high-profile defendants including U.S. Senator Bob Menendez and crypto mogul Sam Bankman ...
HMX is more complicated to manufacture than most explosives, and this confines it to specialist applications. It and RDX are both produced by the Bachmann process—nitration of hexamine using a mixture of ammonium nitrate and nitric acid in a mixture of acetic acid and acetic anhydride as solvent—with the major product determined by the specific reaction conditions.