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Welcome


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On May 31, 2017, the Toxicology Service of the Children's Sanatorium was finished its activities. We continue this page as Latin American Portal of Toxicology.

June 2018 Newsletter: See

 The South Asian monsoon—Pollution pump and purifier, study

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Fechas de comienzo y corrientes de viento principales en los monzones de verano en la India (Photo: WP)

Two-faced South Asian monsoons both propagate and purify pollution in the air. eurekalert.org. June 14, 2018. An airborne research campaign exploring the "self-cleaning capacity" of the atmosphere has revealed summer monsoons in South Asia may both purify the air of some pollutants but disperse others.

FULL ARTICLE...
Posted by jcp on Lunes, junio 18 @ 00:00:00 ART (15 reads)

 Heavy episodic drinking is associated with poorer bone health in adolescent and young adult women

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'Binge drinking': una sóla no alcanza (Photo: Sertox )

Bone mass may suffer when teenage girls binge drink. sciencedaily.com. June 14, 2018. Summary: Teenage girls who regularly binge drink may fail to reach their peak bone mass, according to a new study. Teenage girls who regularly binge drink may fail to reach their peak bone mass, according to a new study published in the Journal of Studies on Alcohol and Drugs.


FULL ARTICLE...
Posted by jcp on Jueves, junio 14 @ 00:00:00 ART (9 reads)

 Plastic litter at Lake Geneva in Switzerland: a global problem

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Lago noruego de cristalinas aguas (Photo: SerTox)

Why pristine lakes are filled with toxins. By Melissa Hogenboom. bbcnews. April 30, 2018. Much of the focus on plastic pollution centres on our oceans. Emerging evidence shows it’s also a problem in freshwater, which may even be the source. In 2016 a team of scientists scoured a dozen beaches around the shores of Lake Geneva in Switzerland – not for flora or fauna, but for litter. In particular, plastic litter.

FULL ARTICLE...
Posted by jcp on Lunes, junio 11 @ 00:00:00 ART (16 reads)

 Effectiveness of eliminating organic pollutants in water of two new absorbent materials

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Agua sin plásticos: ¿sólo en los acuarios? (Photo: SerTox)

A new material capable of the adsorption of organic pollutants in water. eurekalert.org. June 05, 2018. The organomica C18-Mica-4 eliminates between 70 and 100 percent of these toxic compounds in less than 24 hours. The appearance of criteria and emerging pollutants in water is a modern theme that has caused the scientific community to research new solutions and alternatives.

FULL ARTICLE...
Posted by jcp on Jueves, junio 07 @ 00:00:00 ART (21 reads)

 A Sustainable Production of Terpenoid-based Insect Deterrents, study

Organic insect deterrent for agriculture. eurekalert.org. June 06, 2018. Biodegradable crop protection products without risks or side effects. Traditional insecticides are killers: they not only kill pests, they also endanger bees and other beneficial insects, as well as affecting biodiversity in soils, lakes, rivers and seas. A team from the Technical University of Munich (TUM) has now developed an alternative: A biodegradable agent that keeps pests at bay without poisoning them.

FULL ARTICLE...
Posted by jcp on Jueves, junio 07 @ 00:00:00 ART (20 reads)

 Effects of pyraclostrobin on Bombyx mori and their production of cocoons, study

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Capullos de gusanos de seda (Photo: SerTox)

Fungicide impairs silk production, according to study. eurekalert.org. June 06, 2018. By testing an agrochemical designed to increase resistance on the mulberry plants used to feed silkworms, a research verified a rise in caterpillars' mortality and reduction in the size of cocoons.  One of the problems caused by the intensive use of pesticides is their effect on organisms other than those they are designed to combat - the most notorious of which is the global mortality of honeybees.

FULL ARTICLE...
Posted by jcp on Jueves, junio 07 @ 00:00:00 ART (20 reads)

 Exceptionally high levels of lead pollution in the Balkans from the Early Bronze Age

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"Plomada" de...plomo (Photo: Sertox )

Earliest European evidence of lead pollution uncovered in the Balkans. sciencedaily.com. June 01, 2018. Metal-related pollution began in the Balkans more than 500 years before it appeared in western Europe. Summary: New research has revealed that metal-related pollution began in the Balkans more than 500 years before it appeared in western Europe, and persisted throughout the Dark Ages and Medieval Period, meaning the region played a far bigger role in mineral exploitation than previously believed.

FULL ARTICLE...
Posted by jcp on Domingo, junio 03 @ 00:00:00 ART (30 reads)

 Bothrops venoms revealed as molecular signatures that contribute to venom phenotype, study

How just drops of viper venom pack a deadly punch. eurekalert.org. June 01, 2018. A bite from a lancehead snake can be fatal. Species in the family, found throughout Central and South America, have venom that can disrupt blood clotting and cause hemorrhage, strokes and kidney failure.

FULL ARTICLE...
Posted by jcp on Sábado, junio 02 @ 00:00:00 ART (22 reads)

 The global impacts of food production

Reducing food’s environmental impacts through producers and consumers.J Poore, T Nemecek. June 01, 2018. Science  01 Jun 2018:Vol. 360, Issue 6392, pp. 987-992. DOI: 10.1126/science.aaq0216.

FULL ARTICLE...
Posted by jcp on Sábado, junio 02 @ 00:00:00 ART (23 reads)

 WHO: Tobacco use is falling, but not fast enough

World No Tobacco Day: Tobacco and Heart Disease. who.int. May 31,  2018. Tobacco use has declined markedly since 2000, according to a new WHO report, but the reduction is insufficient to meet globally agreed targets aimed at protecting people from death and suffering from cardiovascular and other non-communicable diseases (NCDs).

FULL ARTICLE...
Posted by jcp on Viernes, junio 01 @ 00:00:00 ART (22 reads)

 Triclosan increases colonic inflammation and colitis-associated colon tumorigenesis in mice

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Triclosán 3D (Photo: WP)

Mouse study links triclosan, a common antimicrobial, to colonic inflammation. eurekalert.org. May 30, 2018. Mouse study led by UMass Amherst suggests new research, more scrutiny is warranted.  A large research team led by senior author Guodong Zhang at the University of Massachusetts Amherst reports that the antimicrobial ingredient triclosan, found in hand soaps and toothpastes among other products, could have adverse effects on colonic inflammation and colon cancer by altering gut microbiota, the microbes found in our intestines.

FULL ARTICLE...
Posted by jcp on Jueves, mayo 31 @ 00:00:00 ART (22 reads)

 COPD were associated with exposure to biological dusts, gases, fumes and pesticides

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Fumigando un campo (Photo: Sertox )

Occupational exposures linked with increased risk of COPD. sciencedaily.com. May 9, 2018. 21% of COPD cases in a study with more than 3,300 participants were associated with these occupational exposures. Summary: A study with more than 3,300 participants in 12 countries has established a relationship between occupational exposure to biological dusts, gases, fumes and pesticides and COPD. The researchers did a follow-up of the participants 20 years after the first assessment.

FULL ARTICLE...
Posted by jcp on Jueves, mayo 10 @ 00:00:00 ART (31 reads)

 No effect of a high-egg diet on cardiometabolic risk factors in people with type 2 diabetes, study

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Huevos duros (Photo: SerTox)

Eggs not linked to cardiovascular risk, despite conflicting advice. sciencedaily.com. May 07, 2018. No extra risk for people with pre-diabetes or type 2 diabetes. Summary: Eating up to 12 eggs a week does not increase cardiovascular risk factors in people with pre-diabetes or type 2 diabetes, new research finds -- despite conflicting dietary advice continuing around the world.

FULL ARTICLE...
Posted by jcp on Lunes, mayo 07 @ 00:00:00 ART (65 reads)

 Males of the brown widow spider mate choice, study

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Latrodectus geometricus (Photo: WP)

Male mate choice in a sexually cannibalistic widow spider. By Shevy Waner, Uzi Motro, Yael Lubin, Ally R.Harari. Abstract
Males of the brown widow spider, Latrodectus geometricus (Theridiidae), invest energy in courtship displays and are often cannibalized after mating; accordingly, partial sex role reversal is expected. In this species, subadult females are able to mate and produce viable offspring. 

FULL ARTICLE...
Posted by jcp on Viernes, mayo 04 @ 00:00:00 ART (46 reads)

 Industrial sea fishing may be exposing people to excessively high levels of mercury

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Mercurio metálico (Photo: Sertox )

Mercury rising: Are the fish we eat toxic?  eurekalert.org. May 03, 2018. Canadian researchers say industrial sea fishing may be exposing people in coastal and island nations to excessively high levels of mercury. The amount of mercury extracted from the sea by industrial fishing has grown steadily since the 1950s, potentially increasing mercury exposure among the populations of several coastal and island nations to levels that are unsafe for foetal development.

FULL ARTICLE...
Posted by jcp on Jueves, mayo 03 @ 00:00:00 ART (24 reads)

 Nuclear disarmament verification via resonant phenomena, study

For nuclear weapons reduction, a way to verify without revealing. sciencedaily.com. April 19, 2018. New isotope-detection method could prove compliance but avoid divulging secrets. Summary: Researchers have found a new way of verifying nuclear weapons reduction agreements without revealing secret information, using a physical cryptographic key and nuclear resonant phenomena.

FULL ARTICLE...
Posted by jcp on Martes, abril 24 @ 00:00:00 ART (37 reads)

 Increase in low birth weights among women who use cannabis during pregnancy

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Hoja de marihuana (Photo: Sertox )

Prenatal cannabis use associated with low birth weights. sciencedaily.com. April 23, 2018. The study, led by Colorado School of Public Health, shows a 50 percent increase in low birth weights among women who use.  cannabis during pregnancy. With marijuana use during pregnancy on the rise, a new study shows that prenatal cannabis use was associated with a 50 percent increased likelihood of low birth weight, setting the stage for serious future health problems including infection and time spent in neonatal intensive care units.

FULL ARTICLE...
Posted by jcp on Martes, abril 24 @ 00:00:00 ART (32 reads)

 The case of a fatal asbestos cancer after decades of exposure to talc-based baby powder

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Antigua talquera de plata utilizada en peluquería. (Photo: WP)

Toxic Talc and Mesothelioma. By Laurie Kazan-Allen. April 16, 2018. ibasecretariat.org. A historic breakthrough categorized by a leading plaintiffs’ expert as “breathtakingly fantastic” occurred in a US courtroom this month when a New Jersey jury handed down the first mesothelioma claimant’s verdict against Johnson & Johnson to Stephen Lanzo, a 46-year old investment banker, who contracted the fatal asbestos cancer after decades of exposure to the company’s talc-based baby powder. On Thursday, April 5, 2018, $30 million was awarded to Mr. Lanzo with a further $7 million to his wife Kendra. Defendant Johnson & Johnson (J&J) Consumer, Inc. was ordered to pay 70% of the compensatory damages with its talc supplier, Imerys Talc America, responsible for the remaining 30%.1

FULL ARTICLE...
Posted by jcp on Viernes, abril 20 @ 00:00:00 ART (77 reads)

 Effects of exposure to acetaminophen and ibuprofen on fetal germ cell development, study

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Exposición prenatal a ... (Photo: SerTox)

Painkillers in pregnancy may affect baby's future fertility. sciencedaily.com. April 16, 2018. Summary: Taking painkillers during pregnancy could affect the fertility of the unborn child in later life, research suggests. Scientists looked at the effects of paracetamol (acetaminophen) and ibuprofen on samples of human fetal testes and ovaries. Their findings add to a growing body of evidence that the medicines should be used with caution during pregnancy.

FULL ARTICLE...
Posted by jcp on Jueves, abril 19 @ 00:00:00 ART (38 reads)

 Deep learning improves prediction of drug–drug and drug–food interactions, research

Deep learning predicts drug-drug and drug-food interactions. sciencedaily.com. April 18, 2018. Development of a deep learning-based computational framework that predicts interactions for drug-drug or drug-food constituent pairs. Summary: Scientists have developed a computational framework, DeepDDI, that accurately predicts and generates 86 types of drug-drug and drug-food interactions as outputs of human-readable sentences, which allows in-depth understanding of the drug-drug and drug-food interactions.

FULL ARTICLE...
Posted by jcp on Jueves, abril 19 @ 00:00:00 ART (39 reads)





     Trivia
 Trivia # 351: Bauhinia forficata

Toxicological trivia from September 02, 2016: Bauhinia forficata, commonly known as Brazilian orchid tree, Pata de Vaca,  is a species of flowering tree in the pea family, Fabaceae, that is native to Argentina, Brazil and Peru.Its flowers are white and pinkish, and is similar to an orchid. Deciduous leaves are lobed and the name "pata de vaca" resemble the imprint of a hoof there. It timber, known as false mahogany advantage, although its most widespread use is as a medicinal plant. In this sense, they have been well studied by their properties as:
a) Hypoglycemic and diuretic;
b) It is also used as an astringent, healing and antiseptic;
c) Both previous assertions are correct.




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See all: Toxicological trivia


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