Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Joni Kilpijärvi"'
Autor:
Jaakko Hakala, Joni Kilpijarvi, Mariella Sarestoniemi, Matti Hamalainen, Sami Myllymaki, Teemu Myllyla
Publikováno v:
IEEE Access, Vol 8, Pp 111303-111315 (2020)
This paper introduces a microwave-based approach that aims to non-invasively measure water, particularly cerebrospinal fluid (CSF) dynamics, in the human brain. The microwave measurement technique is well-known in industrial applications. More recent
Externí odkaz:
https://doaj.org/article/6cf8ce9ed4934b5d98e3efcd91aa0493
Autor:
Niina Halonen, Joni Kilpijärvi, Maciej Sobocinski, Timir Datta-Chaudhuri, Antti Hassinen, Someshekar B. Prakash, Peter Möller, Pamela Abshire, Sakari Kellokumpu, Anita Lloyd Spetz
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 7, Iss 1, Pp 1871-1877 (2016)
Cell viability monitoring is an important part of biosafety evaluation for the detection of toxic effects on cells caused by nanomaterials, preferably by label-free, noninvasive, fast, and cost effective methods. These requirements can be met by moni
Externí odkaz:
https://doaj.org/article/a565e71df26846ac800fc374942d7793
Publikováno v:
Sensors, Vol 19, Iss 4, p 819 (2019)
A device for measuring biological small volume liquid samples in real time is appealing. One way to achieve this is by using a microwave sensor based on reflection measurement. A prototype sensor was manufactured from low cost printed circuit board (
Externí odkaz:
https://doaj.org/article/9e121a4ed875453794d05c8358368ba1
Autor:
Joni Kilpijärvi, Niina Halonen, Maciej Sobocinski, Antti Hassinen, Bathiya Senevirathna, Kajsa Uvdal, Pamela Abshire, Elisabeth Smela, Sakari Kellokumpu, Jari Juuti, Anita Lloyd Spetz
Publikováno v:
Sensors, Vol 18, Iss 10, p 3346 (2018)
A complementary metal-oxide-semiconductor (CMOS) chip biosensor was developed for cell viability monitoring based on an array of capacitance sensors utilizing a ring oscillator. The chip was packaged in a low temperature co-fired ceramic (LTCC) modul
Externí odkaz:
https://doaj.org/article/cadb58a2ca5e4022ade4fff4af58e791
Publikováno v:
ACS Applied Materials & Interfaces
The fascinating human somatosensory system with its complex structure is composed of numerous sensory receptors possessing distinct responsiveness to stimuli. It is a continuous source of inspiration for tactile sensors that mimic its functions. Howe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b5da7d9f999bc27ee26990726ea2bf8
https://doi.org/10.1021/acsami.0c00023
https://doi.org/10.1021/acsami.0c00023
Autor:
Matti Hämäläinen, Jaakko Hakala, Mariella Sarestoniemi, Joni Kilpijärvi, Sami Myllymäki, Teemu Myllylä
Publikováno v:
IEEE Access. 8:111303-111315
This paper introduces a microwave-based approach that aims to non-invasively measure water, particularly cerebrospinal fluid (CSF) dynamics, in the human brain. The microwave measurement technique is well-known in industrial applications. More recent
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::04266dae1a35cf66a43ed211812426fd
https://doi.org/10.1109/access.2020.3001867
https://doi.org/10.1109/access.2020.3001867
Autor:
Mariella Sarestoniemi, Jari Iinatti, Jaakko Hakala, Matti Hämäläinen, Joni Kilpijärvi, Carlos Pomalaza-Raez, Teemu Myllylä, Sami Myllymäki
Publikováno v:
Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering ISBN: 9783030649906
BODYNETS
BODYNETS
This paper presents a simulation-based study on detection of stroke/brain hemorrhage even in the white matter using radio channel characteristics analysis. The idea is to utilize the fact that blood has different dielectric properties than brain’s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1de34b52da43572d3bf013eea31ab32a
http://urn.fi/urn:nbn:fi-fe202102023482
http://urn.fi/urn:nbn:fi-fe202102023482
Fluid balance is important for a healthy human being. In this paper, a method to measure hydration status was developed and tested towards non-invasive measurement from human skin. Measurement of hydration status was performed by a microwave sensor u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c295e7f6626480c71adc87eefa9126e0
http://urn.fi/urn:nbn:fi-fe2019120946181
http://urn.fi/urn:nbn:fi-fe2019120946181
Publikováno v:
Applied Materials Today. 21:100826
The patch antenna of spinel-olivine composite ceramic (Li2ZnGe3O8-Li2ZnGeO4) is designed, which can realize power ratio (59%) and S11 of -14 dB at 5.7 GHz. The low sintering temperature (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e0c77598ca3cff16fccbba1c6ab6a847
https://doi.org/10.1016/j.apmt.2020.100826
https://doi.org/10.1016/j.apmt.2020.100826
Autor:
Kalle Bunnfors, Natalia Abrikossova, Peter Eriksson, Niina Halonen, Kajsa Uvdal, Joni Kilpijärvi, Jari Juuti, Caroline Brommesson, Anita Lloyd Spetz
Publikováno v:
Sensors and Actuators B: Chemical. 313:128020
Neutrophil granulocytes are the most abundant white blood cells in mammals and vital components of the immune system. They are involved in the early phase of inflammation and in generation of reactive oxygen species. These rapid cell-signaling commun
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ef4c69f99ebf8beaed533e577e8f3f5
https://doi.org/10.1016/j.snb.2020.128020
https://doi.org/10.1016/j.snb.2020.128020