Sentences with phrase «hydrogen cyanide»

The team observed specific microwave emission from hydrogen cyanide molecules (HCN) and formyl ions (HCO +).

Meanwhile, hydrogen sulfide, which would have been released in huge amounts by volcanic eruptions, would have mostly stayed in the atmosphere, as the molecule is relatively insoluble in water, and therefore would not have had regular opportunities to interact with hydrogen cyanide.

In the chemical toxin category, perchlorate (a naturally occurring chemical, but also a man - made contaminant stemming from production of nitrate fertilizer with certain types of ore serving as the nitrogen source) and tobacco smoke (which contains hydrogen cyanide that can be converted into thiocyanate) are well - researched examples of chemical toxins that are considered goitrogenic because they can interfere with thyroid function.

The pesticide is not approved for use on plants that are combusted, such as tobacco or cannabis, and is known to emit hydrogen cyanide when heated.

Unlike those that make up other interstellar clouds, the gases in this cloud — including hydrogen cyanide and carbon monoxide — move at wildly different speeds.

That's why Engler and her colleagues wanted to find out how the larvae of Heliconius sara, a brightly colored butterfly of South and Central American rainforests, could maintain a strict diet of passion vine leaves, even though the plant's hydrogen cyanide gas stifles other insects» respiration.

If it were possible to breath in space, one would smell a pungent aroma of rotten eggs, ammonia, vinegary sulphur dioxide and toxic hydrogen cyanide coming from comet 67P / Churyumov — Gerasimenko, according to sensors on the Rosetta mission.

The parents of Zane Gbangbola, a seven year old boy whose death may have been caused by hydrogen cyanide poisoning, were also refused legal aid for representation at the inquest into their son's death, as reported by the Guardian, the Daily Mail and others.

When ingested, cyanogenic glycosides interact with digestive enzymes, releasing hydrogen cyanide, which is poisonous in significant amounts.

In 2015, chemists from Cambridge University, led by John Sutherland, who is a co-author on the current study, discovered a way to synthesize the precursors to RNA using just hydrogen cyanide, hydrogen sulfide, and ultraviolet light — all ingredients that are thought to have been available on early Earth, before the appearance of the first life forms.

For instance, comets may have had to rain down continuously to bring enough hydrogen cyanide to Earth's surface.

Last year, researchers found that in conditions mimicking those sparked by a comet or meteorite impact, intense heat and pressure converted formamide (which forms when hydrogen cyanide reacts with water) and other simple substances into the four information - bearing nucleobases in RNA, a likely genetic precursor to DNA.

Although astronomers have spotted hydrogen cyanide in other star systems, the two more complicated chemical relatives detected in this study have never been seen in a protoplanetary disk.

And the presence of hydrogen cyanide suggests an atmosphere rich in carbon, making this super-Earth at least a place very unlike home.

He soon found hydrogen cyanide (88.6 gigahertz) in the Orion nebula and isocyanic acid (87.9 gigahertz) in a cloud called Sagittarius B2.

Bais points out that although hydrogen cyanide is commonly produced by pseudomonad bacteria, the antifungal impact of Pseudomonas chlororaphis EA105 appears to be independent of cyanide production.

Both this molecule and its simpler cousin hydrogen cyanide (HCN) were found in the cold outer reaches of the star's newly formed disk, in a region that astronomers believe is analogous to our own Kuiper Belt — the realm of icy planetesimals and comets beyond Neptune.

Quantification of Pseudomonas aeruginosa hydrogen cyanide production by a polarographic approach.

Characterization of the hcnABC gene cluster encoding hydrogen cyanide synthase and anaerobic regulation by ANR in the strictly aerobic biocontrol agent Pseudomonas fluorescens CHA0.

The exoplanet HAT - P - 11b is too close to its host star to actually see visible light flashes, but an infrared telescope may be able to detect hydrogen cyanide from its electrical discharge.

While Hydrogen Cyanide could be detected around 30 percent of 44 yellowish Sol - type stars observed, none was detected around 17 red dwarf stars and brown dwarfs although acetylene could be detected in the dust disks of these cooler stars and sub-stellar objects (more).

The Nazi gas chambers used Zyklon B, a device and formulation for dispersing hydrogen cyanide (HCN), which is an extraordinarily lethal chemical.

Avoidance of hydrogen cyanide as a by - product also improves process safety and mitigates product handling requirements.

Second, rocket exhaust from the lunar modules contains precursor molecules used to build amino acids (such as hydrogen cyanide or HCN).

All parts of the plum plant contain hydrogen cyanide, including the leaves, stem, roots, and the plum pit.

Again starting with hydrogen cyanide and hydrogen sulfide, the researchers now sprinkled in phosphates and a few other ingredients.

And the super flares may also have resulted in hydrogen cyanide that could deliver to the earth's surface the nitrogen required by DNA, RNA and protein — you know, life.

Therefore, the research group targeted molecular line emissions from hydrogen cyanide (HCN), formyl ion (HCO +), and hydrogen sulfide (CS) at millimeter / submillimeter wavelengths (* 4) in the galaxy called NGC 1097 (about 50 million light years away) with the ALMA Telescope in the Atacama Desert in Chile.

«Myclobutanil cleaves off hydrogen cyanide,» Andrew Freedman, director of marijuana co-ordination for the Colorado state government told The Globe this summer.

We manage a wide range of liquefied, non-liquefied and dissolved gases, including hydrogen cyanide, anhydrous hydrogen cyanide (HCN), tetrafluorohydrazine (TFH), pentaborane and incompatible mixtures.

At the recommend daily intake of about 1 to 2 tablespoons, approximately 5 — 10 mg of hydrogen cyanide is released from flaxseed, which is well below the estimated acute toxic dose for an adult of 50 to 60 mg inorganic cyanide and below the 30 to 100 mg / d humans can routinely detoxify (Roseling 1994) Eating excessive amounts of flax seeds too quickly can cause mild digestive problems in some people.

Many of the ingredients in American formulas, which are touted as healthy, are processed with toxic chemicals like hexane and hydrogen cyanide.

Intelligence reports indicate that it has sarin and the nerve agent tabun along with traditional chemicals like mustard gas and hydrogen cyanide.

Meteors, comets or primordial ponds of hydrogen cyanide would still need to provide those molecules.

Perhaps the best estimate so far comes from Daniel Cordier of the University of Rennes 1 in France, whose computer model incorporates Cassini observations and chemical data to show that three - quarters of an average polar lake is ethane, with 10 per cent methane, 7 per cent propane and smaller amounts of hydrogen cyanide, butane, nitrogen and argon.

If they are clouds, they're probably made of ethane, acetylene or hydrogen cyanide, based on what researchers have learned about Pluto's atmosphere — though they might not be clouds, just reflective splotches on

Collisions between the particles and molecules in Earth's atmosphere produced nitrous oxide, a planet - warming greenhouse gas, and hydrogen cyanide, a crucial component for building DNA, the researchers propose May 23 in Nature Geoscience.

Those substances — hydrogen cyanide (HCN), methyl cyanide (CH3CN), and cyanoacetylene (HC3N)-- were discerned through the microwave radiation they emitted at several millimeter - scale wavelengths.

The spacecraft's sensitive spectrometer was able to register the chemical signatures not only of water vapor but also of hydrogen cyanide, carbon monoxide, and carbon dioxide — all precursors of the more complex molecules that scientists think eventually gave rise to life on Earth.

They found three objects with spectra bearing the imprints of warm gases such as acetylene and hydrogen cyanide, which are present in the early stages of stellar evolution.

But 55 Cancri e, as the world is known, wouldn't make a super holiday destination with a surface temperature of 2000 °C, and hydrogen, helium, and hydrogen cyanide to breathe.

* 3) For example, a research team led by Takuma Izumi and Kotaro Kohno at the University of Tokyo, both of whom are engaged in this research, suggests that there is enhanced emission of hydrogen cyanide (HCN) from the supermassive black hole in the barred spiral galaxy NGC1097 by past ALMA observations.

Looking through the data collected by the telescope, astronomers were able to detect a pattern of spikes for various life - supporting molecules: water, carbon monoxide, formaldehyde, methanol, dimethyl ether, hydrogen cyanide, sulfur oxide and sulfur dioxide.

Sutherland's group built on earlier work that had looked at two chemicals likely to have been found on a lifeless Earth: hydrogen cyanide and hydrogen sulfide.