Sentences with phrase «in urine concentration»

Not exact matches

The science doesn't lie: A 2011 Harvard study found that adults with the highest concentration of BPA in their urine had significantly larger waists and odds of being obese than those in the lowest quartile.

The result: the more products that parents used on their babies, the higher the concentrations of phthalates found in their urine, leading to the hypothesis that phthalates enter children's bodies not only when substances containing this chemical enter through their mouths but also through their skin.

The concentration of BPA in the urine samples had increased, though by an amount equivalent to about a quarter of what would be expected from eating canned soup, for example.

Nicotine and cotinine concentrations in serum and urine of infants exposed via passive smoking or milk from smoking mothers.

Smoking and passive smoking during pregnancy and early infancy: effects on birth weight, lactation period, and cotinine concentrations in mother's milk and infant's urine.

In 2010, Statistics Canada disclosed that 91 percent of people tested positive for BPA in their urine, with the highest concentrations found in childreIn 2010, Statistics Canada disclosed that 91 percent of people tested positive for BPA in their urine, with the highest concentrations found in childrein their urine, with the highest concentrations found in childrein children.

But the data in this latest study also revealed something puzzling: falling levels of BPA in urine when 2006 measurements were compared with 2004; concentrations decreased from an average of 2.49 to 1.79 nanograms per milliliter.

The interdisciplinary project team is made up of eco - and human toxicologists, physicists, chemists and biologists, and they have just managed to take their first major step forward in achieving their goal: they have developed a method for testing a variety of environmental samples such as river water, animal tissue, or human urine and blood that can detect nanomaterials at a concentration level of nanogram per liter (ppb — parts per billion).

Instead, Edwards and Steptoe relied on the woman's natural menstrual cycle to get the eggs to mature, and used the concentration of luteinising hormones in her urine as a marker for when the had occurred.

Afterward, concentrations of oxytocin that the dogs released in their urine at least doubled from pretest levels, researchers in Japan report in the April 17 Science.

Although Calafat's team reported urine concentrations of BPA, in fact they assayed a breakdown product — the compound by which BPA is excreted, notes Steven G. Hentges of the American Chemistry Council's Polycarbonate / BPA Global Group.

Every clinical biochemistry lab is filled with technicians measuring blood glucose levels to monitor diabetes, urea concentrations in urine to spot kidney failure, and dozens of others.

In some of the samples, the team dramatically reduced the concentrations of dissolved phosphate and oxygen to simulate conditions that might exist inside equipment used to recycle urine into water on spacecraft during long - duration flights.

Because the urinary concentration of bisphenol A varies widely, it was not quantified accurately in the present study, which relied on a single urine sample for each woman.

«This molecule is quickly metabolized in the intestine, and our researches have demonstrated that the concentration of proanthocyanidins detected in urine is very little,» professor Uberos says.

Since more Cx43 means less room in the bladder, the team speculates that although normal mice didn't stop producing urine when asleep, their bladders were able to hold more due to decreased Cx43 concentrations.

In the latest paper, published today, the team assessed concentrations of sodium and potassium in the urine sampleIn the latest paper, published today, the team assessed concentrations of sodium and potassium in the urine samplein the urine samples.

Results revealed that the median concentration of muconic acid in the urine of these 14 women was 2.3 times higher than in non-indigenous participants, and six times higher than in women from the general Canadian population.

High concentrations of muconic acid — a degradation product of benzene (a volatile, toxic and carcinogenic compound)-- were detected in the urine of 29 pregnant women who participated in the pilot study.

Margaret R. Karagas, Ph.D., of the Geisel School of Medicine at Dartmouth College, Lebanon, N.H., and coauthors examined the frequency with which infants at rice and rice - containing products in their first year of life, as well as the association with arsenic concentrations in the urine.

In one early example, more than a decade ago, a research team at Pfizer detected an odd change in rats» urine: a sudden shift in the relative concentrations of two compounds produced when the body breaks down fooIn one early example, more than a decade ago, a research team at Pfizer detected an odd change in rats» urine: a sudden shift in the relative concentrations of two compounds produced when the body breaks down fooin rats» urine: a sudden shift in the relative concentrations of two compounds produced when the body breaks down fooin the relative concentrations of two compounds produced when the body breaks down food.

The scientists found no significant association between urine F2 - isoprostane concentration and recurrent wheezing for infants when they were first enrolled in the study.

One study hints at subtle neural and behavioral anomalies in dentists, who collectively use 300 metric tons of mercury in amalgams each year and who often have two to five times the typical concentration of mercury in their urine.

The median concentration of iodine in urine was below the recommended levels in both groups.

Both the number of tablets and concentration in urine were associated with a significant increase in language delay in girls, and a slight but not significant decrease in boys.

«The implications of these results are that measuring urine F2 - isoprostane concentrations during an infant ARI, an indicator of increased oxidative stress in these young patients, may predict the development of recurrent wheeze,» said Dr. Rosas - Salazar.

Two of these compounds, isoamylamine and trimethlyamine, appear in different concentrations in male and female mouse urine, and some evidence suggests that isoamylamine acts as a pheromone by accelerating the onset puberty in female mice.

Researchers asked participants to report the number of acetaminophen tablets they had taken between conception and enrollment, and tested the acetaminophen concentration in their urine at enrollment.

These symptoms include increased protein levels in urine and correspondingly decreased blood protein concentrations, elevated cholesterol levels, and swelling.

After working a shift, the average concentration of BPS in the urine of those cashiers had doubled.

Researchers in Canada examined blood, urine and sweat concentrations of various phthalates in 20 people.

They found that the concentration of these chemicals was twice as high in sweat as in urine and suggested that perspiration may help eliminate of some toxic compounds.

Researchers say infants fed rice - based foods may have significantly higher «inorganic» arsenic concentrations in their urine than babies who never eat rice.

A study led by German researchers found high concentrations of glyphosate, the active ingredient in Roundup, in the urine of dairy cows and humans.

The problem is not animals, which roamed the earth in huge numbers emitting methane, urine and manure long before humans came on the scene, but their concentration into confinement facilities.

those participants had almost twice the concentration of arsenic in their urine and 70 % more mercury in their blood, compared to people eating gluten diets in the same time frame.

It is well established in the «Art and Science of Low Carbohydrate Living» (Phinney, Volek) that when one has become «keto - adjusted» over the course of 4 - 6 weeks of low carb / high fat and protein living, that the type of keytones secreted in the urine, namely acetoacetic keytones, reduce in concentration.

A high water intake may dilute the concentration of ketones in the urine.

Researchers then tested their blood and urine and discovered that on average, those participants had almost twice the concentration of arsenic in their urine and 70 % more mercury in their blood, compared to people eating gluten diets in the same time frame.

Measuring the concentration of these non-bioavailable forms in urine or serum is irrelevant since it provides no clue as to the concentration of the more clinically significant «free «(bioavailable) hormone in the blood stream.

High concentrations of oxalate in the urine and frequent formation of kidney stones occur in people who have diseases of the small intestine such as Crohn's disease.

Creatine is one of the compounds that is found in the urine and its concentration is often used to determine if the subject has purposefully overhydrated in order to decrease the concentration of THC - COOH in the sample.

And through a study consisting of low carb, high protein diet the results garnered showed, that ketone bodies had reduced in the first 3 months and over a period of time the urinary ketone concentration reduced, ultimately not showing in the urine results.

In some circumstances the urine samples are screened using Gas Chromatography Mass Spectroscopy (GCMS) which is highly accurate even at low concentrations.

The iodine concentration in samples of morning urine correlated well with the 24 - h urine iodine excretion.

Instead of tests that measure nutrient concentrations, the OATs measures abnormal concentrations of organic acids in urine.

One measured fluid, electrolyte, and renal indices of hydration over eleven days of caffeine consumption in human subjects, finding that doses of up to 6 mg caffeine per kilogram of body weight had no effect on body mass, urine osmolality (urine concentration), urine specific gravity (concentration of excreted materials in urine), urine color, urine volume, sodium excretion, potassium secretion, creatinine content, blood urea nitrogen (forms when protein breaks down), and serum levels of sodium and potassium.

Concentrations of arsenic were twice as high in the urine of infants who ate white or brown rice than those who ate no rice, according to research published in JAMA Pediatrics.

A new study finds that babies fed rice cereals and other rice - based snacks have higher concentrations of arsenic in their urine.

The magnesium loss appears to be secondary to higher concentrations of glucose in the kidney that increase urine output [2].