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The characterization of adhesion between single filament and picoliter-scale polymer matrix usually relies on the\u00a0experiments using so-called microbond (MB) testing. The traditional MB test systems provide unitary data output (i.e., converted force) which is enigmatic in resolving the\u00a0fracture parameters of multi-mode interface cracks. As a fundamental basis, the momentary reaction force and respective local strain at the location of a\u00a0non-ambiguous gradient are needed for a mechanical analysis. In this paper, a monolithic compliant based structure with an integrated Fiber Bragg Grating (FBG) sensor is developed and analysed. The stiffness of the compliant structure is estimated by using mathematical and finite element (FE) models. Qualification experiments are carried out to confirm the functional performance: MB testing of synthetic (carbon and glass) and natural (flax) single filaments are successfully performed. Quasi-static and dynamic analysis of the MB testing is carried out by using the\u00a0FE method to interpret the response of the compliant structure. The developed strain-sensing CBPM-FBG holder shows excellent sensitivity during the\u00a0MB tests for both synthetic and natural filaments, even at a low filament diameters as low as <jats:inline-formula><jats:alternatives><jats:tex-math>$$7\\,\\upmu \\hbox {m}$$<\/jats:tex-math><mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\">\n                  <mml:mrow>\n                    <mml:mn>7<\/mml:mn>\n                    <mml:mspace\/>\n                    <mml:mi>\u03bc<\/mml:mi>\n                    <mml:mtext>m<\/mml:mtext>\n                  <\/mml:mrow>\n                <\/mml:math><\/jats:alternatives><\/jats:inline-formula>, making the monolithic compliant structure the first instrument capable of force-strain data output for bonded\u00a0filament-droplet specimens.<\/jats:p>","DOI":"10.1038\/s41598-021-87723-9","type":"journal-article","created":{"date-parts":[[2021,4,16]],"date-time":"2021-04-16T11:36:09Z","timestamp":1618572969000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Microscale sensor solution for data collection from fibre-matrix interfaces"],"prefix":"10.1038","volume":"11","author":[{"given":"Royson","family":"Dsouza","sequence":"first","affiliation":[]},{"given":"Paulo","family":"Antunes","sequence":"additional","affiliation":[]},{"given":"Markus","family":"Kakkonen","sequence":"additional","affiliation":[]},{"given":"Olli","family":"Tanhuanp\u00e4\u00e4","sequence":"additional","affiliation":[]},{"given":"Pekka","family":"Laurikainen","sequence":"additional","affiliation":[]},{"given":"Farzin","family":"Javanshour","sequence":"additional","affiliation":[]},{"given":"Pasi","family":"Kallio","sequence":"additional","affiliation":[]},{"given":"Mikko","family":"Kanerva","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2021,4,16]]},"reference":[{"key":"87723_CR1","doi-asserted-by":"publisher","first-page":"26305","DOI":"10.1038\/srep26305","volume":"6","author":"K Livanov","year":"2016","unstructured":"Livanov, K., Yang, L., Nissenbaum, A. & Wagner, H. 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