ACS Measurement Science AuPub Date : 2025-03-01DOI: 10.1021/acsmeasuresciau.5c0000310.1021/acsmeasuresciau.5c00003
Mike Hardy*, Hin On Martin Chu, Serene Pauly, Katie F. Cavanagh, Breandán J.F. Hill, Jason Wiggins, Alina Schilling, Pola Goldberg Oppenheimer, Liam M. Grover, Richard J. Winfield, Jade N. Scott, Matthew D. Doherty, Ryan McCarron, William R. Hendren, Paul Dawson and Robert M. Bowman,
{"title":"White Light Transmission Spectroscopy for Rapid Quality Control Imperfection Identification in Nanoimprinted Surface-Enhanced Raman Spectroscopy Substrates","authors":"Mike Hardy*, Hin On Martin Chu, Serene Pauly, Katie F. Cavanagh, Breandán J.F. Hill, Jason Wiggins, Alina Schilling, Pola Goldberg Oppenheimer, Liam M. Grover, Richard J. Winfield, Jade N. Scott, Matthew D. Doherty, Ryan McCarron, William R. Hendren, Paul Dawson and Robert M. Bowman, ","doi":"10.1021/acsmeasuresciau.5c0000310.1021/acsmeasuresciau.5c00003","DOIUrl":"https://doi.org/10.1021/acsmeasuresciau.5c00003https://doi.org/10.1021/acsmeasuresciau.5c00003","url":null,"abstract":"<p >Miniaturized biomedical sensor development requires improvements in lithographic processes in terms of cost and scalability. Of particular promise is nanoimprint lithography (NIL), but this can suffer from a lack of high-fidelity pattern reproducibility between master and imprinted substrates. Herein, we present a multidisciplinary investigation into gold- and iron-coated NIL sensors including custom optics and spectroscopy, scanning probe microscopy, and data analysis insights. Polyurethane NIL-made nanodome arrays were interrogated with white light transmission spectroscopy, coupled with principal component analysis (PCA) to investigate potential offsets in the photon-substrate plane interaction angle, an imperfection in NIL substrates. Large-angle mismatches (2–10°) were found to be easily discernible by PCA with statistically significant differences (<i>p</i> = 0.05). Unexpected dips in some spectra are postulated to be due to interacting localized and propagating plasmon polaritons, which is supported with a coupled two-oscillator model. General insights are made regarding the interpretation of PCA loadings, which should be related to physical phenomena, and where maximum variance is not necessarily the most meaningful criterion. Smaller angles (<1°) show no significant differences with overlapping confidence intervals in PCA space. Surface-enhanced Raman spectroscopy (SERS) measurements on gold-coated nanodomes returned relative standard deviations of 6–10% via analysis of gelatin, which is of interest as a nasal lining approximation. Interestingly, nanodomes coated in iron produced small, but useful SERS enhancements, which was subsequently interrogated via scanning thermal probe microscopy showing temperature increases of up to 5 °C over the area of one nanostructure (∼1 μm<sup>2</sup>). Nanostructures remained intact despite the surprising large local temperature increase relative to a gold-coated comparison sample (∼2 °C). The current study provides a framework for the rapid and accurate quality control assessment of imperfections in NIL-produced nanostructures for sensing applications in SERS and surface plasmon resonance, which may need precisely fabricated nanostructures.</p>","PeriodicalId":29800,"journal":{"name":"ACS Measurement Science Au","volume":"5 2","pages":"250–263 250–263"},"PeriodicalIF":4.6,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acsmeasuresciau.5c00003","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143832880","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
ACS Measurement Science AuPub Date : 2025-03-01eCollection Date: 2025-04-16DOI: 10.1021/acsmeasuresciau.5c00003
Mike Hardy, Hin On Martin Chu, Serene Pauly, Katie F Cavanagh, Breandán J F Hill, Jason Wiggins, Alina Schilling, Pola Goldberg Oppenheimer, Liam M Grover, Richard J Winfield, Jade N Scott, Matthew D Doherty, Ryan McCarron, William R Hendren, Paul Dawson, Robert M Bowman
{"title":"White Light Transmission Spectroscopy for Rapid Quality Control Imperfection Identification in Nanoimprinted Surface-Enhanced Raman Spectroscopy Substrates.","authors":"Mike Hardy, Hin On Martin Chu, Serene Pauly, Katie F Cavanagh, Breandán J F Hill, Jason Wiggins, Alina Schilling, Pola Goldberg Oppenheimer, Liam M Grover, Richard J Winfield, Jade N Scott, Matthew D Doherty, Ryan McCarron, William R Hendren, Paul Dawson, Robert M Bowman","doi":"10.1021/acsmeasuresciau.5c00003","DOIUrl":"https://doi.org/10.1021/acsmeasuresciau.5c00003","url":null,"abstract":"<p><p>Miniaturized biomedical sensor development requires improvements in lithographic processes in terms of cost and scalability. Of particular promise is nanoimprint lithography (NIL), but this can suffer from a lack of high-fidelity pattern reproducibility between master and imprinted substrates. Herein, we present a multidisciplinary investigation into gold- and iron-coated NIL sensors including custom optics and spectroscopy, scanning probe microscopy, and data analysis insights. Polyurethane NIL-made nanodome arrays were interrogated with white light transmission spectroscopy, coupled with principal component analysis (PCA) to investigate potential offsets in the photon-substrate plane interaction angle, an imperfection in NIL substrates. Large-angle mismatches (2-10°) were found to be easily discernible by PCA with statistically significant differences (<i>p</i> = 0.05). Unexpected dips in some spectra are postulated to be due to interacting localized and propagating plasmon polaritons, which is supported with a coupled two-oscillator model. General insights are made regarding the interpretation of PCA loadings, which should be related to physical phenomena, and where maximum variance is not necessarily the most meaningful criterion. Smaller angles (<1°) show no significant differences with overlapping confidence intervals in PCA space. Surface-enhanced Raman spectroscopy (SERS) measurements on gold-coated nanodomes returned relative standard deviations of 6-10% via analysis of gelatin, which is of interest as a nasal lining approximation. Interestingly, nanodomes coated in iron produced small, but useful SERS enhancements, which was subsequently interrogated via scanning thermal probe microscopy showing temperature increases of up to 5 °C over the area of one nanostructure (∼1 μm<sup>2</sup>). Nanostructures remained intact despite the surprising large local temperature increase relative to a gold-coated comparison sample (∼2 °C). The current study provides a framework for the rapid and accurate quality control assessment of imperfections in NIL-produced nanostructures for sensing applications in SERS and surface plasmon resonance, which may need precisely fabricated nanostructures.</p>","PeriodicalId":29800,"journal":{"name":"ACS Measurement Science Au","volume":"5 2","pages":"250-263"},"PeriodicalIF":4.6,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12006957/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144015197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
ACS Measurement Science AuPub Date : 2025-02-25eCollection Date: 2025-04-16DOI: 10.1021/acsmeasuresciau.5c00017
Paul D Goring, Amelia Newman, Christopher W Jones, Shelley D Minteer
{"title":"Celebrating 5 Years of the ACS Au Journal Family.","authors":"Paul D Goring, Amelia Newman, Christopher W Jones, Shelley D Minteer","doi":"10.1021/acsmeasuresciau.5c00017","DOIUrl":"https://doi.org/10.1021/acsmeasuresciau.5c00017","url":null,"abstract":"","PeriodicalId":29800,"journal":{"name":"ACS Measurement Science Au","volume":"5 2","pages":"157-159"},"PeriodicalIF":4.6,"publicationDate":"2025-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12006947/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144031376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
ACS Measurement Science AuPub Date : 2025-02-25DOI: 10.1021/acsmeasuresciau.5c0001710.1021/acsmeasuresciau.5c00017
Paul D. Goring, Amelia Newman, Christopher W. Jones* and Shelley D. Minteer*,
{"title":"Celebrating 5 Years of the ACS Au Journal Family","authors":"Paul D. Goring, Amelia Newman, Christopher W. Jones* and Shelley D. Minteer*, ","doi":"10.1021/acsmeasuresciau.5c0001710.1021/acsmeasuresciau.5c00017","DOIUrl":"https://doi.org/10.1021/acsmeasuresciau.5c00017https://doi.org/10.1021/acsmeasuresciau.5c00017","url":null,"abstract":"","PeriodicalId":29800,"journal":{"name":"ACS Measurement Science Au","volume":"5 2","pages":"157–159 157–159"},"PeriodicalIF":4.6,"publicationDate":"2025-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acsmeasuresciau.5c00017","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143832836","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"","authors":"Yujie Liu, Gastón A. Crespo and María Cuartero*, ","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":29800,"journal":{"name":"ACS Measurement Science Au","volume":"5 1","pages":"XXX-XXX XXX-XXX"},"PeriodicalIF":4.6,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/pdf/10.1021/acsmeasuresciau.4c00069","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144350669","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kelsey Cremin, Gabriel N. Meloni, Orkun S. Soyer* and Patrick R. Unwin*,
{"title":"","authors":"Kelsey Cremin, Gabriel N. Meloni, Orkun S. Soyer* and Patrick R. Unwin*, ","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":29800,"journal":{"name":"ACS Measurement Science Au","volume":"5 1","pages":"XXX-XXX XXX-XXX"},"PeriodicalIF":4.6,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/pdf/10.1021/acsmeasuresciau.4c00079","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144400518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}