Top biotech scientist Chen Xiaoyuan denies sexual harassment claim and plans appeal

The National University of Singapore (NUS) confirmed on Wednesday the termination of Chen Xiaoyuan's tenured professorship following an internal investigation into allegations of repeated verbal and physical misconduct by a female PhD candidate since early this year. Chen broke his silence the next day, denying the claims and stating he will appeal. A group calling itself the 'Chen Xiaoyuan Team' rejected the allegations on Chinese social media and announced plans to sue the accuser.

Chen Xiaoyuan, a prominent biotech scientist and former tenured professor at NUS's Yong Loo Lin School of Medicine, has been linked to the National Institute of Biomedical Imaging and Bioengineering in the US. Allegations of his behavior first circulated on social media before NUS launched a midyear investigation that included hearings, leading to the termination of his position. The university described the conduct as 'unsolicited and unwanted' in its confirmation to the South China Morning Post.

On Thursday, Chen stated: “I am appealing the termination of my tenure. I deny the complainant’s allegations and I am unable to comment further because I intend to pursue the appeals process and my legal remedies.” He denied authoring posts by the “Chen Xiaoyuan Team” on Chinese social media but affirmed his appeal plans.

The group's unnamed commenters rejected the sexual harassment claims on Thursday and leveled accusations against the alleged victim. They announced intentions to pursue legal action against her. The case has sparked a flurry of claims and counterclaims on social media, highlighting challenges in addressing misconduct in academia. Chen's career also includes ties to the University of Idaho, Taixing City in Jiangsu province, and the US National Academy of Sciences, though the focus remains on the NUS decision and its potential legal ramifications.

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Courtroom illustration depicting closing arguments in the Mbenenge tribunal, highlighting clashes over sexual harassment allegations.
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Clash over power and consent marks closing in Mbenenge tribunal

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In closing arguments at the Judicial Conduct Tribunal on 21 October 2025, advocates clashed over allegations of sexual harassment against Eastern Cape Judge President Selby Mbenenge by former court secretary Andiswa Mengo. The tribunal chair, retired Judge Bernard Ngoepe, questioned women's power in relationships, while Mengo's lawyer argued the conduct showed abuse of authority. Judgment has been reserved.

A court in China's Guangxi Zhuang autonomous region sentenced a former high school teacher to 18 years in prison on Monday for raping and molesting a female student. The crimes occurred in 2019, and the victim later died by suicide due to depression. Authorities acted after public complaints earlier this year.

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Chinese semiconductor engineer Xu Zhenpeng says he left the United States for China to pursue a more independent research environment and long-term academic goals. China's rapidly evolving advanced manufacturing research ecosystem was a key driver.

Colombia's General Prosecutor's Office upheld a second-instance ruling against Navy Captain Conrado Andrés Jiménez Montealagre, removing him from service and barring him for 16 years due to sexual harassment of a medical intern in 2023.

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A professor at the University of Tokyo's Graduate School of Medicine has been arrested on suspicion of accepting bribes related to a joint research project. Shinichi Sato, 62, allegedly received entertainment worth about ¥1.8 million from March 2023 to August 2024 in exchange for favors on the project involving plant cannabinoids. Police are also investigating the association representative and a former associate professor involved.

Senior biologist Zhang Hong, a member of the Chinese Academy of Sciences, warns that China’s boom in research papers may be a ‘false prosperity’ risking genuine innovation.

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Hong Kong health authorities are investigating the suspected illegal importation of blood samples from mainland China for fetal gender testing, involving two laboratories. The case came to light after media inquiries about social media promotions for blood draws targeting pregnant mainland women.

 

 

 

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