Demonstrators from the Uyghur community take part in a protest near the Belgium parliament in Brussels in July 2021 – Copyright AFP/File Karim SAHIB Shaun TANDON The United States on Thursday put Chinese biotechnology organizations on a trade blacklist, accusing them of advancing high-tech surveillance on the Uyghur minority. The sanctions were the latest in a string of actions by President Joe Biden’s administration against Chinese interests amid high tensions, with the United States a day earlier targeting producers of painkillers that have fueled an addiction epidemic. In the latest measures, the Commerce Department restricted sensitive exports to the Academy…