Sentences with word «cotinine»

Cotinine is a substance that is produced in your body when you use tobacco products, such as cigarettes. It can be measured in blood, urine, or saliva tests to show if you have been exposed to tobacco smoke. Full definition
Although some women still had exposure after the passage of the ban, average levels of cotinine in their blood were lower than those before the ban.
In the adjusted analysis, the lowest quartile of cotinine concentration — below the detectable level — was associated with 5.6 YLL while the highest quartile was linked to 7.5 YLL.
It should be noted that in our calculations we postulated that the blood for cotinine measurement was taken immediately after the end of 90 min of exposure.
Regardless, multiple studies report that experienced E-cig users often attain serum cotinine concentrations that are similar to those levels found in cigarette smokers, and thus our exposure mirrored these E-cig users.
They also do cotinine blood tests that identify if you have smoked in the recent past.
In order to qualify for non-smoker category policy proposers have to clear the prescribed urinary cotinine tests.
A nicotine - cotinine test can determine if you are an active smoker.
Additionally, adolescents with increased cotinine levels, suggesting greater exposure, were more prone to have unilateral - low - frequency or one - sided hearing loss.
A nicotine by - product known as cotinine «stays in the body twice as long in African Americans, and this may be a marker of greater addictiveness,» says Gardiner.
Air nicotine and urine cotinine levels stayed similar in all children, despite use of air cleaners in the household.
The number of years lost in the population with detectable cotinine but unrecognized second - hand smoke exposure suggests that the economic toll of second - hand smoke may be substantially higher than that reported based on questionnaire data alone.
Use of nicotine patches in breastfeeding mothers: Transfer of nicotine and cotinine into human milk.
After adjustment for sex, education, race / ethnicity, body mass index, and smoking habits, their analysis showed a significant increase in years of life lost (YLL) across cotinine concentrations.
Finally, it is of interest to examine maternal cotinine in relation to bipolar disorder, autism, and other psychiatric disorders.
The percent of children with non-detectable cotinine levels were highest among households where neither parent smoked (84 percent), decreased in households where one parent smoked (62 percent) and were lowest among households where both parents smoked (43 percent).
The use of such a level of exposure in the animal model would be valid only if the intensity of nicotine and cotinine metabolism in mice and in humans were comparable.
Cotinine returned to baseline levels at 24h after exposure.
Since the proposed model may be used in further studies and the results of the study could be interpreted by people who are not familiar with the peculiarity of nicotine / cotinine pharmacokinetics in mice, we attempted to estimate the level of nicotine (and e-liquid vapor) exposure used in the discussed study.
The cigar and pipe smokers also had elevated levels of a nicotine by - product called cotinine in their urine, the researchers found.
«The elevated cotinine levels found in this study, however, prove that nicotine is being absorbed when you smoke pipes or cigars.»
Nicotine and related cotinine can stay in the body for almost a month.
Other life insurance companies will give you non-smoker rates if you pipe smoke only as long as no nicotine is detected in your urine test, which means you aren't a daily smoker since cotinine usually takes 1 - 3 days to leave your system.
Most life insurance medical exams administer a test to assess and confirm cotinine levels in the body.
Laboratory: Experience with laboratory applications in parasitology, immunology and molecular biology including, microscopy, BCA Protein Assay, ELISA, Flow Cytometry, Real Time qPCR, Luminex, Gas chromatography (GC) mass spectrometry, cotinine assays (saliva), magnetic bead cell separation (MACS, Percoll and Ficoll) and whole blood cultures.
The analysis of change in cotinine during pregnancy was limited to women identified as smokers at intake.
Salivary cotinine concentrations in daily smokers in Barcelona, Spain: a cross-sectional study
All smokers were to be assessed by FTND, and 108 women participating in the Tilly's Tracks project (a randomised trial of an intervention to reduce smoking in pregnant Aboriginal and Torres Strait Islander women) were to have a comprehensive smoking history taken and urinary cotinine samples collected.
Investigators found that the presence of cotinine, which results from the breakdown of nicotine in the body, in the umbilical cord blood of newborns increased their risk of developing asthma by age 7 years.
One cigar allowed per month with HO specimen negative for cotinine.
Researchers used serum cotinine, a metabolite of nicotine, as a biological marker of exposure to second - hand smoke and linked National Health and Nutrition Examination Survey data to overall and cause - specific mortality in 20,175 non-smokers.
«Questionnaires show that responders do not know they were exposed to smoke, but cotinine blood levels are more accurate in determining their exposure and subsequent risk of lung cancer and other smoking - related disease.»
Objectives: To examine patterns of nicotine dependence, the value of the Fagerström Test for Nicotine Dependence (FTND) and its correlation with self - reported tobacco use and urinary cotinine concentrations among pregnant Indigenous women in Townsville.
Increased cotinine levels were associated with lung cancer, all cancers and heart disease, though the study did not prove a cause - and - effect link.
Heavy smoking based on cotinine, a reliable marker of nicotine in maternal sera, was reported by 20 percent of the mothers of cases, but only 14.7 % of the mothers of controls.
The special rates for non-smokers is subject to Cotinine test, which is available in select cities.
In conjunction with a randomised trial of an intervention to reduce smoking in pregnant Aboriginal and Torres Strait Islander women (the Tilly's Tracks project), the staff of the Townsville Aboriginal and Islander Health Service (TAIHS) Mums and Babies program examined patterns of nicotine dependence, the value of the FTND, and its correlation with self - reported tobacco use and urinary cotinine concentrations among pregnant women attending TAIHS for antenatal care.
Previous research has also found that children with cotinine levels showing even very low levels of tobacco smoke exposure have reduced antioxidant levels and delayed cognitive abilities.
If the last statement is correct, because of the fast elimination of cotinine in mice the level of exposure in the study was 3 times higher (2 ^ (60/37.5) ≈ 3) than the above - calculated values.
Nicotine and cotinine concentrations in the milk of smoking mothers: influence of cigarette consumption and diurnal variation.

Phrases with «cotinine»

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