Retraction Watch

Tracking retractions as a window into the scientific process

Archive for the ‘curi’ Category

University, funding agency clear researcher Rui Curi of fraud charges

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Rui Curi

Rui Curi

The University of São Paulo and Brazil’s National Council of Technological and Scientific Development funding agency (CNPq) have cleared a researcher of fraud following a six-month investigation.

The CNPq’s Commission on Integrity in Scientific Activity noted, however, that “there was failure to exercise rigor in the conduct and dissemination of results [in Rui Curi’s work], essential to quality research.” Read the rest of this entry »

Written by Ivan Oransky

August 4th, 2013 at 10:06 am

A mega-correction for Rui Curi, whose lawyers threatened to sue

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plos oneA Brazilian researcher whose legal threats helped lead to the shutdown of and who has had two papers retracted has had to correct another paper.

The fourth correction for Rui Curi — and we’d call it a mega-correction — is of a paper in PLOS ONE. Curi is the fourth out of 11 authors; someone named Tania Pithon-Curi is the final author:
Read the rest of this entry »

Written by Ivan Oransky

June 7th, 2013 at 11:00 am

Streisand Effect meets tough editors as journal retracts already-corrected paper by Rui Curi

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curiRui Curi — the Brazilian scientist who threatened to sue the now-shuttered site for criticizing his work — has rung up his second retraction, this one for a paper that he corrected earlier this year.

Here’s the Journal of Endocrinology notice, whose headers and language are a bit confusing, understandably, because it is retracting two things, a correction and the original paper: Read the rest of this entry »

Written by Ivan Oransky

April 29th, 2013 at 11:00 am

Another correction for Rui Curi, whose legal threats helped force shutdown of Science Fraud site

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joeThe Journal of Endocrinology has run a correction for a paper by Rui Curi, the Brazilian scientist whose lawyers threatened after the site ran a number of posts critical of Curi’s work.

Here’s the notice for “Non-esterified fatty acids and human lymphocyte death: a mechanism that involves calcium release and oxidative stress”: Read the rest of this entry »

Author whose lawyers threatened Science Fraud corrects another paper

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Rui Curi

Rui Curi, the Brazilian scientist whose lawyers’ threats helped force the shutdown of, has corrected another paper criticized by the site.

Here’s the correction for “Effects of moderate electrical stimulation on reactive species production by primary rat skeletal muscle cells: Cross-talk between superoxide and nitric oxide production,” in the Journal of Cellular Physiology: Read the rest of this entry »

Written by Ivan Oransky

February 26th, 2013 at 10:56 am

Curi-us: Author whose lawyers threatened Science Fraud corrects a paper the site criticized

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Rui Curi

A few weeks ago, we reported on the shutdown of, a site dedicated to highlighting problems with scientific papers, thanks to legal threats. At the same time, we noted that Rui Curi, one of the authors whose work had been questioned — and whose lawyers had sent the site a cease-and-desist letter — ended up retracting a paper the site had questioned.

Now, Curi has corrected another paper that featured on Here’s the notice: for “Comparative toxicity of oleic and linoleic acid on human lymphocytes,” which was originally published in Life Science in 2006: Read the rest of this entry »

Written by Ivan Oransky

January 23rd, 2013 at 2:08 pm

Irony? Paper by author whose attorneys sent cease-and-desist letter to Science Fraud retracted

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j lipid researchA Brazilian author whose attorneys were the first to send the now-shuttered Science Fraud site a cease-and-desist letter has now had a paper retracted.

As Retraction Watch readers may know, Science Fraud shut down earlier this week in response to legal threats. Those threats were preceded by a cease-and-desist letter last month from attorneys for Rui Curi, of the University of Sao Paulo.

Curi’s work had been scrutinized by Science Fraud in a number of posts, with allegations of duplicated bands and re-used Western blots. With a gnawing suspicion that some of our more erudite readers will take issue with our use of “irony” here, Read the rest of this entry »

Written by Ivan Oransky

January 4th, 2013 at 4:50 pm