{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Cui B"],"funding":["Natural Science Foundation of Beijing Municipality (Beijing Natural Science Foundation)","Natural Science Foundation of Beijing Municipality","National Natural Science Foundation of China","National Natural Science Foundation of China (National Science Foundation of China)"],"pagination":["68"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12946372"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["12(1)"],"pubmed_abstract":["Wide-range and high-sensitivity hydrogen sensors are critically important for hydrogen safety in aerospace and advanced transportation sectors. This work demonstrates a thermal-conductivity surface acoustic wave (SAW) based sensor to achieve high sensitivity hydrogen sensing. By integrating thermal balance and acoustic wave equations, a precise mechanistic model elucidating the structure-activity relationships among gas flow rate, operating temperature, and MEMS architecture in determining sensing sensitivity is constructed. Guided by this model, the SAW hydrogen sensor with on-chip microheater integration was developed. Furthermore, a highly integrated SAW hydrogen sensing system with ultra-low baseline noise (<30 µV) was constructed for performance evaluation. Leveraging the exceptional "],"journal":["Microsystems & nanoengineering"],"pubmed_title":["High sensitivity SAW hydrogen gas sensor based on thermal conductivity effect."],"pmcid":["PMC12946372"],"funding_grant_id":["1252032","U1837209","12404543","12304530","QY24359"],"pubmed_authors":["Liang Y","Cheng L","Wang W","Huang L","Jin J","Xue X","Cui B"],"additional_accession":[]},"is_claimable":false,"name":"High sensitivity SAW hydrogen gas sensor based on thermal conductivity effect.","description":"Wide-range and high-sensitivity hydrogen sensors are critically important for hydrogen safety in aerospace and advanced transportation sectors. This work demonstrates a thermal-conductivity surface acoustic wave (SAW) based sensor to achieve high sensitivity hydrogen sensing. By integrating thermal balance and acoustic wave equations, a precise mechanistic model elucidating the structure-activity relationships among gas flow rate, operating temperature, and MEMS architecture in determining sensing sensitivity is constructed. Guided by this model, the SAW hydrogen sensor with on-chip microheater integration was developed. Furthermore, a highly integrated SAW hydrogen sensing system with ultra-low baseline noise (<30 µV) was constructed for performance evaluation. Leveraging the exceptional ","dates":{"release":"2026-01-01T00:00:00Z","publication":"2026 Feb","modification":"2026-07-16T22:25:48.389Z","creation":"2026-07-11T03:12:08.535Z"},"accession":"S-EPMC12946372","cross_references":{"pubmed":["41748533"],"doi":["10.1038/s41378-026-01199-z"]}}