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Welcome


Visit also our Spanish page. 

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.

December 2018 Newsletter: See

 Open-source discovery of chemical leads for next-generation chemoprotective antimalarials, study

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Plasmodium falciparum en la sangre (Photo: WP)

Half a million tests and many mosquitoes later, new buzz about a malaria prevention drug. eurekalert.org. December 06, 2018. Researchers tested chemical compounds for their ability to inhibit the malaria parasite at an earlier lifecycle stage than most current drugs, revealing chemical starting points for new malaria preventatives. 

FULL ARTICLE...
Posted by jcp on Viernes, diciembre 07 @ 00:00:00 ART (5 reads)

 British Ecological Society photo competition 2018

Capturing Ecology: British Ecological Society photo competition – in pictures. Compiled by Eric Hilaire. theguardian.com. December 04, 2018. The BES photography contest features images by ecologists and students and captures rare flora and fauna from around the world. The overall winning picture, by Chris Oosthuizen, shows an adult king penguin surrounded by chicks on Marion Island

FULL ARTICLE...
Posted by jcp on Miércoles, diciembre 05 @ 00:00:00 ART (34 reads)

 Amphetamine and opioid use in pregnancy increased over the last decade in the United States, study

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Exposición prenatal a ... (Photo: SerTox)

More pregnant women are using meth and opioids, study finds. sciencedaily.com. November 29, 2018. Usage rates among moms-to-be have spiked in the past decade, with a disparate boost among pregnant women who live in rural counties. Summary: Amphetamine and opioid use in pregnancy increased substantially over the last decade in the United States, a new study finds. And a disproportionate rise occurred in rural counties.

FULL ARTICLE...
Posted by jcp on Viernes, noviembre 30 @ 00:00:00 ART (14 reads)

 New study about food sources of fructose-containing sugars and glycaemic control

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Bebida azucarada (Photo: SerTox)

Sweetened drinks pose greater diabetes risk than other sugary foods. stmichaelshospital.com. November 22, 2018. Public health strategies to cut sweetened drink consumption could be useful, say researchers. Sweetened drinks pose a greater risk of type 2 diabetes than most other foods containing fructose, a naturally occurring sugar, finds an evidence review published by The BMJ yesterday.

FULL ARTICLE...
Posted by jcp on Viernes, noviembre 23 @ 00:00:00 ART (34 reads)

 Effective removal of mercury from aqueous streams via electrochemical alloy formation on platinum

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Hg metálico (Photo: Sertox )

Removing toxic mercury from contaminated water. eurekalert.org. November 21,2018. Water which has been contaminated with mercury and other toxic heavy metals is a major cause of environmental damage and health problems worldwide. Now, researchers from Chalmers University of Technology, Sweden, present a totally new way to clean contaminated water, through an electrochemical process. The results are published in the scientific journal Nature Communications.

FULL ARTICLE...
Posted by jcp on Jueves, noviembre 22 @ 00:00:00 ART (11 reads)

 Global action to ban asbestos

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Logo AVEBA (Photo: AVEBA)

A call to G20 leaders for global action to ban asbestos. ABEVA. November 17, 2018.On November 30, you will be gathering in Buenos Aires for a vital meeting of the G20. You will be considering the many challenges facing our world and striving to find the best way forward.

FULL ARTICLE...
Posted by jcp on Martes, noviembre 20 @ 00:00:00 ART (52 reads)

 Untangling the scorpion family tree using not only their bodies, but the shape of their venom

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El mito del escorpión (Photo: eldiario.com.co)

Venom shape untangles scorpion family tree. eurekalert.org. November 14, 2018. As a child growing up in Mexico, Carlos Santibanez-Lopez feared the scorpions that would often decorate the walls and ceilings of his home in search of a warm place with plenty of food.

FULL ARTICLE...
Posted by jcp on Viernes, noviembre 16 @ 00:00:00 ART (14 reads)

 Prospective biomonitor and sentinel bivalve species in mangrove-lined Nicaraguan coasts

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Manglares en Galápagos (Photo: SerTox)

Clams and cockles, sentinels of the environmental status of Nicaraguan coasts. eurekalert.org. Novemver 15, 2018. Researchers from the UPV/EHU-University of the Basque Country are seeking the best bivalves in the Nicaraguan mangroves for the purpose of monitoring pollution. 

FULL ARTICLE...
Posted by jcp on Jueves, noviembre 15 @ 00:00:00 ART (10 reads)

 An update about health problems that may be linked to exposure to Agent Orange

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Agent Orange (Photo: SerTox)

Vietnam veterans and agent orange exposure -- new report. eurekalert.org. November 15, 2018. The committee that carried out the study and wrote the report, Veterans and Agent Orange: Update 11 (2018), focused on the scientific literature published between Sept. 30, 2014, and Dec. 31, 2017. Hypertension Upgraded in Latest Biennial Review of Research on Health Problems in Veterans That May Be Linked to Agent Orange Exposure During Vietnam War. 

FULL ARTICLE...
Posted by jcp on Jueves, noviembre 15 @ 00:00:00 ART (14 reads)

 Neonicotinoid exposure disrupts bumblebee nest behavior, social networks, and thermoregulation,study

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Un abejorro en una flor de cardo (Photo: Sertox )

Pesticide exposure can dramatically impact bees' social behaviors, study shows. sciencedaily.com. November 8, 2018. Summary: Using an innovative robotic platform to observe bees' behavior, researchers showed that, following exposure to neonicotinoid pesticides -- the most commonly-used class of pesticides in agriculture -- bees spent less time nursing larvae and were less social that other bees. Additional tests showed that exposure impaired bees ability to warm the nest, and to build insulating wax caps around the colony.

FULL ARTICLE...
Posted by jcp on Viernes, noviembre 09 @ 00:00:00 ART (88 reads)

 Recommendations for essential policy reforms about organophosphate exposures during pregnancy

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Exposición prenatal a ... (Photo: SerTox)

Leading researchers call for a ban on widely used insecticides. eurekalert.org. November 09, 2018. Use of organophosphates has lessened, but risks to early brain development still too high.Public health experts have found there is sufficient evidence that prenatal exposure to widely used insecticides known as organophosphates puts children at risk for neurodevelopmental disorders.

FULL ARTICLE...
Posted by jcp on Viernes, noviembre 09 @ 00:00:00 ART (19 reads)

 Phobias more effectively treated by linking computerised therapy own heart rhythms of the patients

An end to arachnophobia 'just a heartbeat away'. eurekalert.org. October 30, 2018. Researchers have discovered that exposing people with phobias to their fear - for examples, spiders for those who have arachnophobia - at the exact time their heart beats, led to the phobia reducing in severity.

FULL ARTICLE...
Posted by jcp on Miércoles, octubre 31 @ 00:00:00 ART (30 reads)

 Biomolecular archaeology reveals ancient origins of indigenous tobacco smoking in North American

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Hoja de Tabaco (Photo: SerTox)

Interior northwest Nez Perce used tobacco long before European contact. sciencedaily.com. October 29, 2018. Molecular analysis of pipes uncovers longest record of use. Summary: Researchers have determined that the Nez Perce grew and smoked tobacco at least 1,200 years ago, long before the arrival of traders and settlers from the eastern United States. Their finding upends a long-held view that indigenous people in this area of the interior Pacific Northwest smoked only kinnikinnick or bearberry before traders brought tobacco starting around 1790.

FULL ARTICLE...
Posted by jcp on Miércoles, octubre 31 @ 00:00:00 ART (23 reads)

 The European Parliament accepted the report to advocates a ban on microplastics in cosmetics

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¿Inofensivo dentífrico? (Photo: SerTox)

The European Parliamente wants to ban microplastixs en cosmetics. By Michiel Roscam Abbing.  beatthemicrobead.org. 26/10/18. Breaking news: the European Parliament has embraced the environment commission’s report entitled Turning plastic wastelands into fields of gold, by a huge majority. 

FULL ARTICLE...
Posted by jcp on Viernes, octubre 26 @ 00:00:00 ART (14 reads)

 Mutual effects of transportation noise and air pollution exposure on heart attacks in Switzerland

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(Photo: Sertox )

Air pollution and noise increase risk for heart attacks. eurekalert.org. October 24, 2018. Where air pollution is high, the level of transportation noise is usually also elevated. Not only air pollution negatively impacts on health, but also car, train and aircraft noise increases the risk for cardiovascular diseases and diabetes, as previous research has demonstrated.

FULL ARTICLE...
Posted by jcp on Jueves, octubre 25 @ 00:00:00 ART (23 reads)

 Detection of glyphosate residues in companion animal feeds, study

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Pet food (Photo: Sertox )

Study finds glyphosate in cat and dog food. eurekalert.org. October 24, 2018.A new Cornell study published this month in Environmental Pollution finds that glyphosate, the active herbicidal ingredient in widely used weed killers like Roundup, was present at low levels in a variety of dog and cat foods the researchers purchased at stores. Before you go switching Fido or Fluffy's favorite brand, however, be aware that the amounts of the herbicide found correspond to levels currently considered safe for humans.

FULL ARTICLE...
Posted by jcp on Jueves, octubre 25 @ 00:00:00 ART (101 reads)

 Estimates of pollutants on asthma incidence and emergency room visits, study

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Antes y despues del asma (Photo: WP)

Air pollution leads to millions of ER visits for asthma attacks worldwide. eurekalert.org. Octuber 24, 2018. First study to quantify global burden of asthma linked to dirty air. Nine to 33 million visits to the emergency room (ER) for asthma worldwide may be triggered by breathing in air polluted by ozone or fine particulate matter--pollutants that can enter the lung's deep airways, according to a study published today.

FULL ARTICLE...
Posted by jcp on Jueves, octubre 25 @ 00:00:00 ART (36 reads)

 Hierarchical spidroin micellar nanoparticles as the fundamental precursors of spider silks

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Viuda negra rosarina (Photo: Sertox )

Mystery of how black widow spiders create steel-strength silk webs further unravelled. sciencedaily.com. October 22, 2018. 'Modified micelle theory' may allow scientists to create equally strong synthetic materials. Summary: Researchers have better unraveled the complex process of how black widow spiders transform proteins into steel-strength fibers. This knowledge promises to aid scientists in creating equally strong synthetic materials.

FULL ARTICLE...
Posted by jcp on Miércoles, octubre 24 @ 00:00:00 ART (30 reads)

 Toxic metals and rare earth elements in non-smokers,cigarette smokers and electronic cigarette users

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Cigarrillo electrónico en uso (Photo: elmundo.es)

The electronic cigarette is not free from toxic elements. By Adeline Marcos.  agenciasinc.es. October 23, 2018. Tobacco is one of the main sources of toxic substances in the human body. Many people opt for the alternative, the electronic cigarette, to avoid health risks. But a new study reveals that vaping entails the inhalation of inorganic elements, especially rare earth elements, whose toxicity is still unknown.

FULL ARTICLE...
Posted by jcp on Miércoles, octubre 24 @ 00:00:00 ART (74 reads)

 Prenatal fluoride exposure and ADHD* symptoms in children, study

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Exposición prenatal a ... (Photo: SerTox)

Higher levels of urinary fluoride associated with ADHD in children. sciencedaily.com. October 10, 2018. Summary:Higher levels of urinary fluoride during pregnancy are associated with more ADHD-like symptoms in school-age children.
* ADHD = Attention Deficit Hyperactivity Disorder 

FULL ARTICLE...
Posted by jcp on Sábado, octubre 13 @ 00:00:00 ART (23 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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