Retraction count for gynecologic cancer researcher Takai grows to seven

cancerlettersNoriyuki Takai, a gynecologic cancer researcher at Oita University in Japan who retracted three papers last October, has four more retractions, these in Cancer Letters.

All but one of the notices reads as follows: Continue reading Retraction count for gynecologic cancer researcher Takai grows to seven

And then there were eight: Three more retractions for Alirio Melendez, all in the Journal of Immunology

alirio_melendezAlirio Melendez, who has already retracted five papers and was found by one of his former universities to have committed misconduct on more than 20, has three more retractions.

Here’s the notice for “Antisense Knockdown of Sphingosine Kinase 1 in Human Macrophages Inhibits C5a Receptor-Dependent Signal Transduction, Ca2+ Signals, Enzyme Release, Cytokine Production, and Chemotaxis,” cited 68 times, according to Thomson Scientific’s Web of Knowledge: Continue reading And then there were eight: Three more retractions for Alirio Melendez, all in the Journal of Immunology

Two retractions for scientist whose work is “not fully supported by the available laboratory records”

SK Manna
SK Manna

The head of immunology at India’s Centre for DNA Fingerprinting and Diagnostics, Sunil Kumar Manna, has retracted two papers for image problems.

Here’s the notice from Cell Death and Differentiation for “Inhibition of RelA phosphorylation sensitizes apoptosis in constitutive NF-kappaB-expressing and chemoresistant cells:” Continue reading Two retractions for scientist whose work is “not fully supported by the available laboratory records”

Need more material for your paper under review? Just take it from someone else’s conference presentation

ijmsLet’s say you’re a researcher who’s just gotten reviews back from your latest manuscript, asking for some revisions. Luckily, you find yourself at a conference and spot a presentation that’s related to your work. So you use a bunch of that presentation material in your paper.

Unfortunately for you, the guy who gave that conference presentation sees your paper when it’s published — and he’s justifiably unhappy enough to contact the editors. Continue reading Need more material for your paper under review? Just take it from someone else’s conference presentation

Fresh water paper proves recycled, gets retracted

rsercover313A Saudi engineer has lost his 2012 paper in Renewable and Sustainable Energy Reviews for plagiarizing from two previously published articles, including one in the same journal.

The article, titled “Fresh water production from/by atmospheric air for arid regions, using solar energy: Review,” was written by A.M.K. El-Ghonemy, of Al-Jouf University.

According to the retraction notice:

Continue reading Fresh water paper proves recycled, gets retracted

Bowel cell paper falls to culture confusion

ijms-logoA group of nutrition researchers at the University of California, Davis has retracted their paper in the International Journal of Molecular Sciences for what they describe as a botched experiment involving mixed-up cultures.

The article, titled “Dextran Sulfate Sodium Inhibits Alanine Synthesis in Caco-2 Cells,” appeared in 2011 and was retracted in February 2012, although it just came to our attention.

According to the abstract:

Continue reading Bowel cell paper falls to culture confusion

After three retractions, five expressions of concern, cardiologist Matsubara resigns post

matsubaraHiroaki Matsubara, a leading Japanese cardiology researcher who has had three papers retracted and another five subject to expressions of concern, has resigned from Kyoto Prefectural University, according to local media.

Mainichi Shimbun reports — according to our roughest of (Google) translations — that Kyoto Prefectural University accepted Matsubara’s resignation following an investigation. That investigation — which the university had told us about last year — revealed serious problems with 27 studies.

As we noted last March: Continue reading After three retractions, five expressions of concern, cardiologist Matsubara resigns post

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

joeThe Journal of Endocrinology has run a correction for a paper by Rui Curi, the Brazilian scientist whose lawyers threatened Science-Fraud.org 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”: Continue reading Another correction for Rui Curi, whose legal threats helped force shutdown of Science Fraud site

“Highly unethical practices” force four retractions for nanotech researcher

acta biomaterialiaSanjeeb K. Sahoo, of the Institute of Life Sciences in Bhubaneswar, India, has had four papers retracted from Acta Biomaterialia for what the journal is calling “highly unethical practices.”

All four notices say the same thing: Continue reading “Highly unethical practices” force four retractions for nanotech researcher

Hip, hip, retract! Cobalt poisoning case study pulled as duplicate

hipinternationalHip International has retracted a case study for duplication. (We apologize for the partial duplication of a headline for an earlier post about this journal, which told readers that “Similar cases will be referred to retractionwatch.”)

The article was titled “Chronic intoxication with cobalt following revision total hip arthroplasty,” and it appeared online ahead of print. Cobalt toxicity associated with metal-on-metal replacement hips has been raised as a potential adverse effect from the devices.

As the notice explains: