Spectrum-FISH Uses Nanoneedles to Map RNA in Fresh Tissue Without Sequencing
Published in Journals, Nanomedicine, Tools.
City University of Hong Kong has highlighted Spectrum-FISH, a research method that uses nanoneedle arrays to map molecular signals in fresh tissue without sequencing or amplification. The university announced the work on September 28, 2026; its institutional report appeared on Phys.org on October 4. The underlying Nature Biomedical Engineering paper was published on July 28, 2026.
The technique samples molecules using vertically aligned nanoscale probes and preserves coordinates so signals can be related to tissue structures and individual cells. Researchers demonstrated it in developing mouse neural tissue and fresh human colorectal biopsy specimens.
According to the university, the approach can profile messenger RNA, microRNA and RNA methylation while reducing tissue preparation and reliance on sequencing infrastructure. This makes it relevant to laboratory tools for spatial biology and potential future pathology applications.
These are research demonstrations. The report does not establish routine clinical deployment or improved patient outcomes.
Sources: City University of Hong Kong report, October 4, 2026; Ji and colleagues, Nature Biomedical Engineering, July 28, 2026.