Search Results for: images

Journal flags two papers by prominent diabetes researcher, more questioned on PubPeer

Diabetes has issued two expressions of concern (EOCs) for papers co-authored by leading diabetes researcher Kathrin Maedler, adding to her previous count of one retraction and three corrections. Both papers were questioned on PubPeer, alongside several others co-authored by Maedler, who is based at the University of Bremen in Germany. As we previously reported, PubPeer comments have … Continue reading Journal flags two papers by prominent diabetes researcher, more questioned on PubPeer

Seven retractions for prominent cancer researcher brings total to 18

A cancer researcher has earned seven more retractions following an investigation into his work by his former employer, MD Anderson Cancer Center in Texas, bringing his total to 18 retractions. Bharat Aggarwal‘s name will be familiar to some readers, as he has threatened to sue Retraction Watch for reporting on his case. All of the new retraction notices, issued … Continue reading Seven retractions for prominent cancer researcher brings total to 18

Beleaguered plant scientist with 22 corrections avoids 3 more

Cell will not be issuing corrections for three papers co-authored by prominent plant biologist Olivier Voinnet, after readers on PubPeer raised questions about some of the images.  The news may be a welcome relief for Voinnet, based at ETH Zurich in Switzerland, who has recently issued 22 corrections and seven retractions. Ongoing questions about his work have also earned … Continue reading Beleaguered plant scientist with 22 corrections avoids 3 more

UK doctor banned from practice after fabricating data in grant applications

A prominent cancer researcher in England has been banned from practicing medicine and has lost his funding from a UK charity after being found to have fabricated data in grant applications. The moves against the researcher, Thorsten Hagemann, come after investigations by the General Medical Council, akin to a U.S. state medical board, and Hagemann’s former … Continue reading UK doctor banned from practice after fabricating data in grant applications

Cell Press dismisses fraud allegations in high-profile genetics papers

Cell Press has dismissed accusations of image manipulation in two well-cited papers.  In June 2015, we reported that the publisher was investigating anonymous allegations of more than a dozen instances of manipulation of images in the papers published in Cell and Molecular Cell in 1999 and 2001, respectively.  After assessing the original high-resolution versions of images from the laboratory notebook of … Continue reading Cell Press dismisses fraud allegations in high-profile genetics papers

Biologist with five-year funding ban earns 7th and 8th retractions

A biologist in New Jersey has retracted two more papers, bringing his total to eight retractions, following a finding by the U.S. Office of Research Integrity (ORI). The analysis of the work of John Pastorino, previously a cell biologist at Rowan University, in Glassboro, concluded that he had doctored more than 40 images, resulting in a five-year … Continue reading Biologist with five-year funding ban earns 7th and 8th retractions

Why did a chemistry journal fix fraud with a correction instead of a retraction?

Are some cases of research fraud fixable with a correction notice? A chemistry journal thought so in 2014, when it issued a correction notice for a 2012 paper after the first author admitted to manipulating an image. After an investigation, the publisher agreed the manipulation was a “clear breach” of its ethical guidelines, but decided not to … Continue reading Why did a chemistry journal fix fraud with a correction instead of a retraction?

Researcher denied PhD after “recklessly” committing misconduct

A doctoral student at the University of Houston in Texas will not receive his PhD, following an institutional investigation into his work. Mousa Abkhezr, the researcher in question, is no longer enrolled at the University of Houston, his former supervisor told us. In June, the probe into papers co-authored by Abkhezr resulted in the retraction … Continue reading Researcher denied PhD after “recklessly” committing misconduct

A researcher sued critics of his work. Now he has 13 retractions.

A cancer researcher who sued PubPeer commenters for criticizing his work has lost six more papers, bringing his total to 13 retractions.  Four of the new retraction notices issued by the journal Cancer cite an investigation at Wayne State University in Michigan into the work of Fazlul Sarkar and some of his colleagues. All the new notices, including the other two … Continue reading A researcher sued critics of his work. Now he has 13 retractions.

Researcher whose PhD was revoked is no longer at Harvard lab

A research fellow at Harvard Medical School whose PhD was revoked last month is no longer working in his former lab, Retraction Watch has learned.  An archived version of the lab site for Alfred Goldberg from December, 2015, lists Sudarsanareddy Lokireddy as a postdoctoral fellow; however, Goldberg’s current lab site doesn’t include Lokireddy as a lab member. We contacted Goldberg’s lab, and he was unavailable … Continue reading Researcher whose PhD was revoked is no longer at Harvard lab