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Sökning: WFRF:(Oomen Pieter E.)

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  • Hatamie, Amir, et al. (författare)
  • Advances in nano/microscale electrochemical sensors and biosensors for analysis of single vesicles, a key nanoscale organelle in cellular communication
  • 2023
  • Ingår i: Biosensors and Bioelectronics. - : Elsevier BV. - 0956-5663. ; 220
  • Tidskriftsartikel (refereegranskat)abstract
    • The study of subcellular targets and biochemical processes within a living cell is valuable for biological and medical research. Secretory vesicles, one such important intracellular target, are nanoscale lipid structures that are capable of storage, transport, and secretion of, for example, neurotransmitters, hormones, proteins or waste products. Vesicles play an essential role in intercellular communication systems, as they facilitate the release of chemical messaging agents. If deregulated, these communication processes can be a central part in the pathogenesis of some neurodegenerative diseases or diabetes. Generally, due to their nanometer size and intracellular location, the analysis of single vesicles and their content is a great challenge. It requires sensitive techniques, micro/nanoscale tools and sensitive instruments with extreme spatio-temporal resolution. This review focuses on electrochemical sensors to study the biochemistry and quantification of messenger molecules and other species (e.g., reactive oxygen and nitrogen species) stored in organelles, providing new trends and developments in this field. Furthermore, we review the effect of the chemical environment of single cells (e.g., treatment with chemicals, drugs, lipids, and ions) on regulation of the physical and chemical properties of vesicles. Finally, unsolved challenges of and perspectives on vesicle electroanalysis are discussed.
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  • Oomen, Pieter E., et al. (författare)
  • Chemical Analysis of Single Cells
  • 2019
  • Ingår i: Analytical Chemistry. - : American Chemical Society (ACS). - 0003-2700 .- 1520-6882. ; 91:1, s. 588-621
  • Tidskriftsartikel (refereegranskat)
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  • Resultat 1-4 av 4

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