Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Katrin, Braasch"'
Autor:
Katrin Braasch, Samaneh Afshar, Azita Fazelkhah, Michael Butler, Elham Salimi, Douglas J. Thomson, Greg E. Bridges
Publikováno v:
IEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology. 5:70-77
The dielectric properties of biological cells can be used to gain information on their physiology and morphology. This paper reports the first measurements of the dielectric spectra of viable and non-viable cells over the full beta-dispersion (interf
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b31b51d424d36cd9fef7fdd62a47052
https://doi.org/10.1109/jerm.2020.3014062
https://doi.org/10.1109/jerm.2020.3014062
Autor:
Katrin Braasch, Samaneh Afshar, Greg E. Bridges, Michael Butler, Elham Salimi, Azita Fazelkhah, Douglas J. Thomson
Publikováno v:
Biotechnology and Bioengineering. 116:2896-2905
The ability to monitor the status of cells during nutrient limitation is important for optimizing bioprocess growth conditions in batch and fed-batch cultures. The activity level of Na+ /K+ ATPase pumps and cytoplasm ionic concentrations are directly
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5b8abbac681c66327c11a0902e7e4383
https://doi.org/10.1002/bit.27115
https://doi.org/10.1002/bit.27115
Autor:
Samaneh Afshar, Douglas J. Thomson, Elham Salimi, Greg E. Bridges, Katrin Braasch, Michael Butler, Neha Mishra, Azita Fazelkhah
Publikováno v:
Analytica Chimica Acta. 1059:59-67
The dielectric properties of cells are directly related to their morphological and physiological properties and can be used to monitor their status when exposed to stress conditions. In this work, dual-frequency dielectrophoresis (DEP) cytometry was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bfc1bd90d5d0dd06d04f4bf6f3997ec1
https://doi.org/10.1016/j.aca.2019.01.046
https://doi.org/10.1016/j.aca.2019.01.046
Publikováno v:
Biotechnology and bioengineeringREFERENCES. 118(5)
The development of generic biopharmaceuticals is increasing the pressures for enhanced bioprocess productivity and yields. Autophagy ("self-eating") is a cellular process that allows cells to mitigate stresses such as nutrient deprivation. Reputed au
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7284aff9c41845a0338117423b982505
https://pubmed.ncbi.nlm.nih.gov/33543765
https://pubmed.ncbi.nlm.nih.gov/33543765
The development of generic biopharmaceuticals is increasing the pressures for enhanced bioprocess productivity and yields. Autophagy (“self-eating”) is a cellular process that allows cells to mitigate stresses such as nutrient deprivation. Repute
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bfc43961f6ed9dbe393cd4d1798b5fa6
https://doi.org/10.22541/au.160010778.80458067
https://doi.org/10.22541/au.160010778.80458067
Publikováno v:
Sensors and Actuators B: Chemical. 249:246-255
An integrated dielectrophoresis cytometer has been designed and implemented using a standard 0.35 μm CMOS technology. This design makes use of differential ring oscillators. The frequency difference between the two oscillators, in presence of a cell
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::255faba379a4b6eacada7317278ef86a
https://doi.org/10.1016/j.snb.2017.04.044
https://doi.org/10.1016/j.snb.2017.04.044
Autor:
Douglas J. Thomson, Michael Butler, Elham Salimi, Greg E. Bridges, Samaneh Afshar, Katrin Braasch, Azita Fazelkhah
Publikováno v:
Scientific Reports
Scientific Reports, Vol 8, Iss 1, Pp 1-12 (2018)
Scientific Reports, Vol 8, Iss 1, Pp 1-12 (2018)
In mammalian cells cytoplasm ion concentrations and hence cytoplasm conductivity is an important indicator of their physiological state. Changes in the cytoplasm conductivity has been associated with physiological changes such as progression of cance
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7bac3102c0e6c37d3ce2937d5853cc2c
https://pubmed.ncbi.nlm.nih.gov/30546044
https://pubmed.ncbi.nlm.nih.gov/30546044
Autor:
Katrin Braasch, Samaneh Afshar, Michael Butler, Douglas J. Thomson, Greg E. Bridges, Elham Salimi
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. :1-9
We present a microfluidic device for in-flow dielectric characterization of single biological cells. The dielectric spectrum is obtained by measuring the multiple-frequency dielectrophoresis (DEP) response of individual cells as they travel over an a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90b82dc7f420caac532c536b8b6d61ec
https://doi.org/10.1109/tmtt.2016.2518178
https://doi.org/10.1109/tmtt.2016.2518178
Autor:
Maureen Spearman, Marc G. Aucoin, Christina Engel, Thomas McGill, Michael Butler, Katrin Braasch, Eric J. M. Blondeel, David F. Chang
Publikováno v:
Journal of Biotechnology. 214:105-112
Glycosylation is a critical quality attribute of many therapeutic proteins, particularly monoclonal antibodies (MAbs). Nucleotide-sugar precursors supplemented to growth medium to affect the substrate supply chain of glycosylation has yielded promisi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7eaf27daf9f6f2421457e97f1b35389e
https://doi.org/10.1016/j.jbiotec.2015.09.014
https://doi.org/10.1016/j.jbiotec.2015.09.014
Autor:
Elham Salimi, Michael Butler, Katrin Braasch, Ashlasha Bhide, Douglas J. Thomson, Gregory Bridges, Bahareh Saboktakin Rizi, Kaveh Mohammad
Publikováno v:
Sensors and Actuators A: Physical. 232:132-140
A microwave frequency reflectometer with atto-farad capacitance sensitivity has been designed and tested for detection of particles and cells in a microfluidic channel. The design is implemented on a printed circuit board. Capacitance sensitivity up
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d1dce382b1f5c9234f7445e9a51daa8a
https://doi.org/10.1016/j.sna.2015.04.023
https://doi.org/10.1016/j.sna.2015.04.023