Category: unreliable findings

Data “irregularities” prompt retraction of palliative care papers

bmjspcA group of researchers in Singapore has lost two 2013 articles in BMJ Supportive & Palliative Care for problems with their data.

One of the articles was titled “Patients with Dysphagia: Encounters in Taking Medication;” the other, “Issues Associated with Delirium Severity Among Older Patients.” In both cases, the first and second authors were Rajaram S and Chua HC, of Khoo Teck Puat Hospital.

According to the retraction notices:

Continue reading Data “irregularities” prompt retraction of palliative care papers

Dubai-ous: Journal yanks surgery paper for consent, data issues

Low-Res-Annals-95_4-Cover-1_smallThe Annals of the Royal College of Surgeons of England has retracted a 2013 article by a group from Dubai and Italy after learning of serious issues with the data in the report.

The article, “Transanal haemorrhoidal dearterialisation with mucopexy versus stapler haemorrhoidopexy: a randomised trial with long term follow-up,” purportedly described a long-term telephone follow-up study of patients who had undergone the procedure. Here’s the abstract: Continue reading Dubai-ous: Journal yanks surgery paper for consent, data issues

Florida leadership researcher Walumbwa notches sixth retraction

jorgbehavIn February we reported on the case of Fred Walumbwa, a leadership scholar at Florida International University who was poised to lose five papers in the Leadership Quarterly for reasons not entirely clear but which appeared to involve problems with the data.

Now we see a sixth retraction for Walumbwa, this one in the Journal of Organizational Behavior. The article, titled (ironically enough), “Authentically leading groups: The mediating role of collective psychological capital and trust,” had appeared in September 2009. Per the abstract:
 Continue reading Florida leadership researcher Walumbwa notches sixth retraction

Data highjinx forces retraction of tumor paper in JBC

jbccover414The Journal of Biological Chemistry has an illuminating retraction notice — we’re happy to be able to say — about a 2001 article from a group of researchers at the National University of Singapore.

The paper, “Intracellular acidification triggered by mitochondrial-derived hydrogen peroxide is an effector mechanism for drug-induced apoptosis in tumor cells,” was written by Jayshree L. Hirpara, Marie-Véronique Clément and Shazib Pervaiz.

It has has been cited 110 times, according to Thomson Scientific’s Web of Knowledge. According to the retraction notice: Continue reading Data highjinx forces retraction of tumor paper in JBC

Expression of Concern tarnishes copper oxide paper

jmcacoverArticles, like lawn furniture, aren’t supposed to rust after just two months. But the Journal of Materials Chemistry A has issued an Expression of Concern for a February 2014 paper by a group of chemists from India over possible problems with several figures in the article.

The paper, “Hierarchically macro/mesostructured porous copper oxide: Facile synthesis, Characterization, Catalytic performance and Electrochemical study of mesoporous copper oxide monoliths,” was written by Gowhar Ahmad Naikoo, of the department of chemistry at Dr. Hari Singh Gour Central University, in Sagar, and two colleagues. It purported to find that:

Continue reading Expression of Concern tarnishes copper oxide paper

“Unable to dispel the doubts,” authors lose protein structure paper

ebjA suggestion: If you’re going to use the words “overestimated accuracy” in the title of your paper, you’d better make sure you aren’t guilty of the same yourself.

A group of authors in China has lost their June 2013 paper in the European Biophysics Journal because they appear to have misinterpreted their data.  The paper, “Overestimated accuracy of circular dichroism in determining protein secondary structure,” came from chemists at Fudan University in Shanghai, and purported to find that:

Continue reading “Unable to dispel the doubts,” authors lose protein structure paper

Failure to launch: “Inaccuracies,” “incomplete and incorrect references” ground space tourist paper

new spaceAn article in New Space, a journal about space travel, has been retracted because the results it presented weren’t ready for liftoff.

The retraction notice appears as a letter from editor G. Scott Hubbard: Continue reading Failure to launch: “Inaccuracies,” “incomplete and incorrect references” ground space tourist paper

Pharmaceutical journal retracts antibiotics paper with dodgy data, with an unclear notice

aapsAAPS PharmSciTech, a journal of the American Association of Pharmaceutical Scientists, has retracted a 2013 paper by a group from India. The reason appears to be manipulated data, although the wording of the notice leaves that open to interpretation.

The article, “Design and Formulation Technique of a Novel Drug Delivery System for Azithromycin and Its Anti-Bacterial Activity Against Staphylococcus aureus,” was written by a trio of researchers at the Center for Nanobiotechnology at VIT University in Vellore.

The article, published online in June, purported to find that: Continue reading Pharmaceutical journal retracts antibiotics paper with dodgy data, with an unclear notice

Blood retracts two red cell illustrations that “could have misled” readers

blood cover214Blood has retracted two 2013 illustrations of red cells by researchers from South Africa and the United States because, somewhat confusingly, they didn’t conform to the journal’s criteria for publishing such material.

Here’s the notice for one of the images, “Red blood cell and platelet interactions in healthy females during early and late pregnancy, as well as postpartum”: Continue reading Blood retracts two red cell illustrations that “could have misled” readers

Biotech company retracts Parkinson’s treatment study after “possible deviation from protocol”

LCTLiving Cell Technologies (LCT), a biotech company headquartered in Australia, has retracted a 2011 paper purporting to show that their product reversed Parkinson’s symptoms in rats after “being unable to reconfirm their reported results and a possible deviation from the protocol.”

LCT is developing NTCELL, which, according to their site: Continue reading Biotech company retracts Parkinson’s treatment study after “possible deviation from protocol”