| 单词 | acetaldehyde |
| 例句 | It was also found that e-cigarettes contain a number of dangerous chemicals including acetaldehyde, acrolein and formaldehyde. California banned the sales of flavored tobacco products, but researchers say online sales have boomed 2023-11-08T05:00:00Z It can cause cancer because it breaks down in the body to form a compound called acetaldehyde, which damages DNA. How to Figure Out if Moderate Drinking Is Too Risky for You 2023-09-21T04:00:00Z In order to metabolize alcohol, the body breaks it down into acetaldehyde, a chemical compound. When your hangover has a hangover 2023-08-20T04:00:00Z Color stabilizers like gum arabic and acetaldehyde are often used in red wine to preserve color. Tannins? Egg whites? Sturgeon bladders? Here’s what’s in your wine 2023-07-20T04:00:00Z The chemical cocktail also contains formaldehyde, and acetaldehyde - which have been linked to lung disease, heart disease, and cancer. Why Australia decided to quit its vaping habit 2023-05-27T04:00:00Z The loss of carbon dioxide reduces the molecule by one carbon atom, making acetaldehyde. Concepts of Biology 2013-04-25T00:00:00Z And there are hints too of chemical species with multiple carbon atoms, such as acetone, ethanol, and acetaldehyde. Webb telescope hunts life's icy chemical origins 2023-01-24T05:00:00Z Conversely, if you don’t drink very often but overindulge one night, one hypothesis for why you may have a longer hangover is that your liver may not be conditioned to produce acetaldehyde, Ray said. When your hangover has a hangover 2023-08-20T04:00:00Z But there's an intermittent stage between ethanol and its harmless byproducts, when the liver produces acetaldehyde, a known carcinogen that can have many toxic effects on the body. What happens to your body after you quit drinking, according to experts 2023-01-12T05:00:00Z The decomposition of acetaldehyde is a second order reaction with a rate constant of 4.71 10−8 L mol−1 s−1. Chemistry 2019-02-14T00:00:00Z The second reaction removes an electron from NADH, forming NAD+ and producing ethanol from the acetaldehyde, which accepts the electron. Concepts of Biology 2013-04-25T00:00:00Z The loss of carbon dioxide reduces the size of the molecule by one carbon, making acetaldehyde. Biology for AP Courses 2022-06-09T00:00:00Z The real prize would be finding complex carbon-based molecules with more than six atoms, such as ethanol or acetaldehyde. Webb telescope wows with first images 2022-07-11T04:00:00Z The new FDA guidance allows up to 2 parts per million of benzene and 50 ppm of acetaldehyde, according to the web site. U.S. to temporarily allow certain impurities, like benzene, in hand sanitizer 2020-06-02T04:00:00Z The first reaction produces acetaldehyde; then other products are formed. Chemistry 2019-02-14T00:00:00Z In their work, Hodskinson et al. undertook the enormous challenge of synthesizing a DNA molecule containing a single, site-specific acetaldehyde ICL, and then investigated how the lesion is repaired in the cell-free system. A safe fix for alcohol-derived DNA damage 2020-03-03T05:00:00Z Your body labors to break down the alcohol — consumed as ethanol in beer, wine or spirits — forming damaging oxygen free radicals and acetaldehyde, itself a harmful compound. Hangovers happen as your body tries to protect itself from alcohol’s toxic effects 2020-01-01T05:00:00Z Alcohol is oxidized into a substance called acetaldehyde, which is part of what makes you feel terrible: dehydration, inflammatory response, sleep disturbance, headache, sensitivity to light, nausea, fatigue, emotional lability. Drinking with no consequences? This was the year of the hangover hack. 2019-12-19T05:00:00Z Exhaled breath contains carbon dioxide and also a host of organic chemicals such as isoprene, acetone, and acetaldehyde. The Hidden Air Pollution in Our Homes 2019-04-01T04:00:00Z “The body is motivated to metabolize alcohol before it gets to other macronutrients because of its damaging intermediary acetaldehyde,” Hultin said. Confused about the role of alcohol in health? You aren’t alone 2018-07-11T04:00:00Z One aldehyde relevant to human health is acetaldehyde, which is produced when cells process ingested alcohol. A safe fix for alcohol-derived DNA damage 2020-03-03T05:00:00Z But at the same time, Kudzu root appears to inhibit the enzymes that break down acetaldehyde — not good news since you want to clear that acetaldehyde from your system quickly. Hangovers happen as your body tries to protect itself from alcohol’s toxic effects 2020-01-01T05:00:00Z The latest work showed that acetaldehyde slices through DNA, causing permanent damage, if the effects of the toxin are not neutralised by two natural defence mechanisms. Alcohol can cause irreversible genetic damage to stem cells, says study 2018-01-03T05:00:00Z Working with mice in a laboratory, British scientists used chromosome analysis and DNA sequencing to examine the genetic damage caused by acetaldehyde, a harmful chemical produced when the body processes alcohol. How alcohol damages stem cell DNA and increases cancer risk 2018-01-03T05:00:00Z The formation of acetaldehyde starts when alcohol comes in contact with bacteria in the mouth, which may explain the link between alcohol and cancers of the throat, voice box and esophagus, she suggested. Cancer Doctors Cite Risks of Drinking Alcohol 2017-11-07T05:00:00Z The second tier is repair of the DNA damage generated by acetaldehyde. A safe fix for alcohol-derived DNA damage 2020-03-03T05:00:00Z Dihydromyricetin appears to work its magic by enhancing alcohol metabolism and reducing its toxic byproduct, acetaldehyde. Hangovers happen as your body tries to protect itself from alcohol’s toxic effects 2020-01-01T05:00:00Z The first tier of defence clears away the acetaldehyde and the second repairs the DNA damage. Alcohol can cause irreversible genetic damage to stem cells, says study 2018-01-03T05:00:00Z Working with mice in a laboratory, British scientists used chromosome analysis and DNA sequencing to examine the genetic damage caused by acetaldehyde, a harmful chemical produced when the body processes alcohol. How alcohol damages stem cell DNA and increases cancer risk 2018-01-03T05:00:00Z One way alcohol may lead to cancer is because the body metabolizes it into acetaldehyde, which causes changes and mutations in DNA, Dr. Gapstur said. Cancer Doctors Cite Risks of Drinking Alcohol 2017-11-07T05:00:00Z The longer it was used, the higher the level of chemicals it released, including formaldehyde, acetaldehyde, and acrolein — which are all carcinogens or respiratory irritants. More cancer-causing chemicals found in electronic cigarettes 2016-07-27T04:00:00Z In laboratory tests, scientists found that the heat-related breakdown of propylene glycol and glycerin -- two solvents found in most e-cigarette liquids -- causes emissions of toxic chemicals such as acrolein, acetaldehyde and formaldehyde. E-Cigarettes Emit Toxic Vapors: Study 2016-07-27T04:00:00Z It is possible that the body’s defence mechanisms against acetaldehyde are weaker in other tissues. Alcohol can cause irreversible genetic damage to stem cells, says study 2018-01-03T05:00:00Z The Center for Environmental Health recently tested 97 e-cig products and found formaldehyde and the chemical acetaldehyde in more than half of them. The facts behind e-cigarettes and their health risks 2016-02-22T05:00:00Z Scientists found high levels of either or both formaldehyde and acetaldehyde in 50 of the products. Health Watchdog Group Will Challenge E-Cig Manufacturers in Court 2015-09-02T04:00:00Z One study from South Korea suggests your liver’s production of enzymes and antioxidants that break down alcohol into acetaldehyde may decrease as you age. You Asked: Why Are My Hangovers Getting Worse? 2015-09-02T04:00:00Z The company has rejected diacetyl and acetaldehyde as flavorings and avoided developing a flavor that uses cocoa shell extract because of concerns that it might be a respiratory sensitizer, Costigan said in an e-mail. What’s in all that e-cig vapor? 2015-08-31T04:00:00Z A 2006 meta-analysis of 15 studies included 4,500 Chinese, Japanese, Korean and Thai participants who were tested for genes related to the metabolism of acetaldehyde and acetate. Genetics: No more addictive personality : Nature : Nature Publishing Group 2015-06-23T04:00:00Z His research found a correlation between coil temperature and the creation of harmful chemicals like acrolein, acetaldehyde and formaldehyde in the e-cigarette. 4 Weird Health Effects of E-Cigarettes 2015-05-17T04:00:00Z Other theories for the origin of a hangover include low blood sugar and acetaldehyde, but there’s not great evidence for them, either. Can we cure the common hangover? This Vegas clinic thinks yes 2015-03-25T04:00:00Z Oshinsky says your liver breaks down ethanol into a toxic chemical compound called acetaldehyde, which is then converted into another toxin called acetate. You Asked: Why Are My Hangovers Getting Worse? 2015-09-02T04:00:00Z Chen compares acetaldehyde with a foot, and enzymes to shoes. Ecstasy Precursor Shows How to Reduce Alcohol Cancer Risk—and Curb Drunkenness 2015-02-23T05:00:00Z These genes encode proteins that convert alcohol into acetaldehyde, and acetaldehyde into acetate. Genetics: No more addictive personality : Nature : Nature Publishing Group 2015-06-23T04:00:00Z ADH4 and similar enzymes digest alcohol by converting it into another chemical, acetaldehyde, which causes the skin flushing, headache and other symptoms of overindulgence. Our Taste for Alcohol Goes Back Millions of Years 2015-02-03T05:00:00Z That conversion of alcohol to acetaldehyde is the theoretical reason why ingesting yeast might lower one’s exposure to alcohol. Does Baker's Yeast Really Prevent You From Getting Drunk? 2014-05-19T04:00:00Z These circulating levels of acetaldehyde and acetate—and the inflammation they cause—are the root cause of your headache. You Asked: Why Are My Hangovers Getting Worse? 2015-09-02T04:00:00Z This keeps acetaldehyde snugly inside ALDH3A1, giving the enzyme time to break down the alcohol product and move it to its vinegary destiny. Ecstasy Precursor Shows How to Reduce Alcohol Cancer Risk—and Curb Drunkenness 2015-02-23T05:00:00Z The next step in metabolism is normally for the acetaldehyde to be metabolized to acetate, chiefly by the enzyme ALDH2. Q&A: Red in the Face 2014-05-05T18:43:02Z Congeners include acetaldehyde itself as well as acetone, fusel oil, furfural, methanol's metabolites, polyphenols, histamines, esters, tannins, amines and amides, among others. In Search of a Cure for the Dreaded Hangover 2014-03-17T11:00:00Z Ethanol is converted to acetaldehyde soon after ingestion and this compound may render the skin more sensitive to harmful UV light, they say. Could alcohol trigger skin cancer? 2014-01-29T01:43:04Z Wine: Our bodies produce a chemical called acetaldehyde when we break down alcohol, and overindulging leads to an excess that contributes to headaches and vomiting. The Best Hangover-Free Drinks for New Year's 2013-12-31T10:50:24Z Levels of acetaldehyde and ethanol in the blood dropped. Ecstasy Precursor Shows How to Reduce Alcohol Cancer Risk—and Curb Drunkenness 2015-02-23T05:00:00Z Dr. Oster contends that acetaldehyde is processed “by the baby’s liver and doesn’t get into the brain.” Books: Pregnant, and Disputing the Doctor 2013-08-19T20:45:58Z The paper said the common soft drink additive taurine promotes efficient elimination of acetaldehyde. In Search of a Cure for the Dreaded Hangover 2014-03-17T11:00:00Z When a person drinks alcohol, ethanol is converted to acetaldehyde by a group of enzymes, the researchers explained. Even moderate drinking in pregnancy may affect child's IQ 2012-11-14T22:06:36Z So avoiding booze with higher levels of acetaldehyde — like wine — might minimize hangover symptoms. The Best Hangover-Free Drinks for New Year's 2013-12-31T10:50:24Z Safrole appears to sit in the part of ALDH3A1 that normally acts as a dock for larger molecules, filling the space so the enzyme fits more snugly around acetaldehyde. Ecstasy Precursor Shows How to Reduce Alcohol Cancer Risk—and Curb Drunkenness 2015-02-23T05:00:00Z Potash fusion converts it into acetic acid; nitric acid oxidizes it to acetic and oxalic acids; chromic acid mixture to acetaldehyde and acetic acid, and potassium permanganate to αβ-dioxybutyric acid. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" 2012-01-22T03:00:24.397Z This evidence supports the fact that acetate, not acetaldehyde, causes the hangover, he adds, or at least the hangover headache. In Search of a Cure for the Dreaded Hangover 2014-03-17T11:00:00Z If heavy drinking is a cause of stomach cancer, it may be related to one of the metabolic byproducts of alcohol -- called acetaldehyde. Heavy drinking tied to higher stomach cancer risk 2011-10-28T22:21:19Z Another major cause of hangover is a highly toxic byproduct of alcohol-processing called acetaldehyde, which is a known carcinogen. Drunk Science: The Hunt for a Hangover Cure 2011-05-02T11:02:29Z Although more research is needed, Duell suspects the link exists because alcohol turns to acetaldehyde, a known carcinogen, when it hits the stomach. Who's at risk to develop cancer? 2011-04-05T17:47:04Z In particular, Anne Steinemann of the University of Washington showed that a few of the leading air-freshener brands contain a probable human carcinogen and federally designated "hazardous air pollutant" called acetaldehyde. Green Lantern: Some air fresheners contain ingredients that may be harmful 2010-09-14T04:00:00Z In the preparation of chloroform by the action of bleaching powder on ethyl alcohol it is probable that the alcohol is first oxidized to acetaldehyde, which is subsequently chlorinated and then decomposed. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" Hydroxylic oxygen is obtained by subtracting the molecular refractions of acetic acid and acetaldehyde. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" Reduction of the bichromate to a green colour and a distillate, which smells of acetaldehyde and reacts with Schiff's reagent, shows the presence of alcohol in the original liquid. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. We can show the change most simply in this fashion: C2H2 + H2O → C2H4O acetylene added to water forms acetaldehyde Acetaldehyde is not of much importance in itself, but is useful as a transition. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries Traces of ethyl alcohol in solutions are detected and estimated by oxidation to acetaldehyde, or by conversion into iodoform by warming with iodine and potassium hydroxide. The Project Gutenberg Encyclopedia Volume 1 of 28 Condensation with formaldehyde always succeeds, with acetaldehyde and benzaldehyde only partly. Synthetic Tannins But if to the water be added a little acid and a mercury salt, the acetylene gas will unite with the water forming a new compound, acetaldehyde. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries Oxidation of ethyl alcohol gives acetaldehyde and acetic acid. The Project Gutenberg Encyclopedia Volume 1 of 28 |
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