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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.

 August 2018 Newsletter: See

 Taurine modulates acute ethanol induced social behavioral deficits in adult zebrafish

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Danio rerio (Photo: WP)

Mixing energy drinks with alcohol could enhance the negative effects of binge drinking. sciencedaily.com. August 14, 2018. Summary: A key ingredient of energy drinks could be exacerbating some of the negative effects of binge drinking according to a new study.

FULL ARTICLE...
Posted by jcp on Martes, agosto 14 @ 00:00:00 ART (5 reads)

 Opioid prescribing decreases after learning of a patient had a fatal overdose, study

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Sobredosis de metadona y otros opioides (Photo: CDC)

Doctors reduced opioid prescriptions after learning a patient overdosed. sciencedaily.com. August 9, 2018. When clinicians are given information about a patient's overdose, they prescribe fewer powerful painkillers. Summary: Doctors confronted with information about patient deaths by opioid overdose became more careful in prescribing the painkillers once they learned the risks first-hand. A new study shows many clinicians do not know about patient overdose deaths once they leave their care. Overcoming the disconnect by sharing news of losing a patient makes the opioid crisis more personal and leads doctors to reduce prescriptions.

FULL ARTICLE...
Posted by jcp on Viernes, agosto 10 @ 00:00:00 ART (22 reads)

 A novel molecule is a strong candidate for the development of a new antimalarial drug

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Plasmodium falciparum en la sangre (Photo: WP)

A new, highly effective and selective molecule is developed to fight malaria. eurekalert.org. August 09, 2018. In tests with mice and in vivo culture, molecule designed in Brazil was capable of killing Plasmodium resistant strains and reducing the number of parasites in the bloodstream by 62 percent without attacking cells of the host organism.

FULL ARTICLE...
Posted by jcp on Viernes, agosto 10 @ 00:00:00 ART (6 reads)

 An important contributor to heart pathology by doxorubicin: a harmful side effect

Doxorubicin disrupts the immune system to cause heart toxicity. eurekalert.org. August 06, 18. The drug targets enzymes that control the immune response and spleen macrophages. Doxorubicin is a chemotherapy drug widely used in ovarian, bladder, lung, thyroid and stomach cancers, but it carries a harmful side effect. The drug causes a dose-dependent heart toxicity that can lead to congestive heart failure.

FULL ARTICLE...
Posted by jcp on Martes, agosto 07 @ 00:00:00 ART (8 reads)

 A unique historical case to understand the present sustainable development: Ammonia synthesis

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Amoníaco 3 D (Photo: WP)

Ammonia synthesis: the greatest innovation of the 20th century. An exceptional compound with two sides. By Enrique Sacristán. agenciasinc.es. August 01,  2018.In addition to being a well-known cleaning product, ammonia is essential in the manufacture of fertilizers that, equally, are necessary to produce food for livestock and mankind. The chemical process to synthesize this nitrogenous compound has hardly changed in 100 years and is still essential for our society, although scientists do not know how to mitigate its negative consequences on the environment.

FULL ARTICLE...
Posted by jcp on Martes, agosto 07 @ 00:00:00 ART (8 reads)

 A gut commensal produced metabolite mediates colonization resistance to Salmonella infection

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Microscopía electrónica de Salmonella typhimurium (Photo: WP)

Gut bacteria byproduct protects against Salmonella, study finds. sciencedaily.com. July 26, 2018. Summary: Researchers have identified a molecule that serves as natural protection against one of the most common intestinal pathogens, Salmonella. Researchers at the Stanford University School of Medicine have identified a molecule that serves as natural protection against one of the most common intestinal pathogens.

FULL ARTICLE...
Posted by jcp on Sábado, julio 28 @ 00:00:00 ART (25 reads)

 Openfoodtox database updated, by European Food Safety Authority

Openfoodtox: over 300 substances added to EFSA chemical hazards database. efsa.europa.eu. July 19, 2018. EFSA’s OpenFoodTox database on chemical hazards now includes data on over 4,750 chemical substances following the addition of 321 substances. The database is also more accessible now thanks to an improved interface with more features for exploring the data.

FULL ARTICLE...
Posted by jcp on Jueves, julio 26 @ 00:00:00 ART (21 reads)

 Eight out of 11 popular slime toys for children we tested failed safety testing

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Slime (toy) (Photo: WP)

Children’s toy slime on sale with up to four times EU safety limit of potentially unsafe chemical. By Hannah Fox. which.co.uk. July 17, 2018. Eight out of 11 popular children's slimes we tested failed safety testing. Which? is warning parents to approach children’s slime with caution after tests found some contain levels of boron more than four times the safety limits permitted by EU standards.

FULL ARTICLE...
Posted by jcp on Miércoles, julio 18 @ 00:00:00 ART (32 reads)

 PBDE* accumulation in farmed salmon evaluated using a dynamic sea-cage production mode

Livestock feed accurately predicts toxic chemicals in food. sciencedaily.com. July 10, 2018. Summary: Scientists have tracked the presence of a class of synthetic flame retardants called polybrominated diphenyl ethers (PBDEs), which were once a popular additive to increase fire resistance in consumer products such as electronics, textiles, and plastics
*PBDE =  Polybrominated Diphenyl Ether

FULL ARTICLE...
Posted by jcp on Jueves, julio 12 @ 00:00:00 ART (21 reads)

 Species specific activity of antibacterial drug combinations, study

Combining antibiotics changes their effectiveness. sciencedaily.com. July 04, 2018. Effectiveness of antibiotics altered by combining them with each other, non-antibiotic drugs or even with food additives. Summary: The effectiveness of antibiotics can be altered by combining them with each other, non-antibiotic drugs or even with food additives. Depending on the bacterial species, some combinations stop antibiotics from working to their full potential whilst others begin to defeat antibiotic resistance, report researchers.

FULL ARTICLE...
Posted by jcp on Lunes, julio 09 @ 00:00:00 ART (41 reads)

 Nanoparticles interact with nutrients to intensify eutrophication in a wetland ecosystem study

Nanomaterials could mean more algae outbreaks for wetlands, waterways. sciencedaily.com. June 25, 2018. High tech metal particles may inadvertently take a toll on aquatic life. Summary: The last 10 years have seen a surge in the use of tiny substances called nanomaterials in agrochemicals like pesticides and fungicides. The idea is to provide more disease protection and better yields for crops, while decreasing the amount of toxins sprayed on agricultural fields. But when combined with nutrient runoff from fertilized cropland and manure-filled pastures, these 'nanopesticides' could also mean more toxic algae outbreaks for nearby streams, lakes and wetlands, researchers report.

FULL ARTICLE...
Posted by jcp on Martes, junio 26 @ 00:00:00 ART (55 reads)

 Ionic liquids for oral insulin delivery, study

Delivering insulin in a pill. sciencedaily.com. June 25, 2018. Technique could replace daily injections for diabetics. Summary:
Researchers have developed an oral delivery method that could dramatically transform the way in which diabetics keep their blood sugar levels in check.

FULL ARTICLE...
Posted by jcp on Martes, junio 26 @ 00:00:00 ART (38 reads)

 Carbofuran killed the thirteen bald eagles that were found in Maryland, in 2016

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Ejemplar adulto de águila calva (Photo: WP)

Thirteen bald eagles were found dead in a field. This is what killed them. By Karin Brulliard and Dana Hedgpeth. nptelegraph.com. June 21, 2018. The 13 bald eagles were found lifeless on a Maryland farm more than two years ago, many with wings splayed, bodies intact, and talons clenched. Several were too young to have their species' distinctive white heads. And at least six, according to a federal lab report, had ingested a highly toxic pesticide that has been essentially banned from the U.S. market, in part because it is lethal to birds.

FULL ARTICLE...
Posted by jcp on Viernes, junio 22 @ 00:00:00 ART (60 reads)

 Be careful with the giant hogweed or Heracleum mantegazzianum, an invasive species in US

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Perejil gigante florecido en Capadocia (Photo: SerTox)

A Towering, Toxic Plant That Causes Burns and Blindness Has Appeared in Virginia. By Brigit Katz. smithsonianmag.com. June 19, 2018. The giant hogweed, an invasive species, is more typically seen in the Northeast. The giant hogweed is an impressive-looking plant. It can grow up to 14 feet tall, with huge leaves and white flowers that cluster into an umbrella shape. If you don’t look too closely at it its stem, which is covered in purple splotches and coarse hair-like protrusions, the giant hogweed is almost pretty.

FULL ARTICLE...
Posted by jcp on Jueves, junio 21 @ 00:00:00 ART (42 reads)

 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 (61 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 (36 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 (62 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 (55 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 (75 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 (69 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.




READ ANSWER...
See all: Toxicological trivia


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Plantas y Hongos
Plantas y Hongos

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Alimentos y Bebidas

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Metales Pesados

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Ponzoñas y animales

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Drogas, Adicciones, Dopaje

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Animales intoxicados

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Plaguicidas / Pesticidas

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Geografic Zones

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Home Intoxications

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Medicamentos

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Occupational Toxicology

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Pollutants, ecology and ecotoxicology

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