Single cell analytics for NanoBiology

D. Anselmetti, N. Griemla, W. Hellmich, K. Leffhalm, Alexandra Ros, Robert Ros, A. Sischka, K. Tönsing

Research output: Contribution to journalArticle

Abstract

Single cell analytics allows quantitative investigation of single biological cells from a structural, functional and proteomics point of view and opens possibilities to a novel unamplified cell analysis inherently insensitive to ensemble-averaging, cell-cycle or cell-population effects. We report on three different experimental methods and their application to cellular systems with single molecule sensitivity at the single cell level. Firstly, atomic force microscopy (AFM) can be used to elucidate the surface structure of living bacteria down to the nanometer scale where identification of irregular surface areas and 2D-arrays of regular protein s-layers is possible. Secondly, single cell manipulation and probing experiments with optical tweezers (OT) force spectroscopy allows quantitative identification of individual recognition events of membrane bound receptors. And thirdly, a novel, single cell analysis for protein fingerprinting in structured microfluidic device format will allow a future (label-free) on-chip electrophoretical protein separation of single cells without preamplification.

Original languageEnglish (US)
Pages (from-to)267-270
Number of pages4
JournalNanobiotechnology
Volume1
Issue number3
DOIs
StatePublished - 2005
Externally publishedYes

Fingerprint

Proteins
Optical tweezers
Microfluidics
Surface structure
Labels
Atomic force microscopy
Bacteria
Cells
Spectroscopy
Lab-On-A-Chip Devices
Membranes
Molecules
Optical Tweezers
Single-Cell Analysis
Protein Array Analysis
Peptide Mapping
Atomic Force Microscopy
Experiments
Proteomics
Spectrum Analysis

ASJC Scopus subject areas

  • Biotechnology
  • Molecular Biology
  • Molecular Medicine

Cite this

Anselmetti, D., Griemla, N., Hellmich, W., Leffhalm, K., Ros, A., Ros, R., ... Tönsing, K. (2005). Single cell analytics for NanoBiology. Nanobiotechnology, 1(3), 267-270. https://doi.org/10.1385/Nano:1:3:267

Single cell analytics for NanoBiology. / Anselmetti, D.; Griemla, N.; Hellmich, W.; Leffhalm, K.; Ros, Alexandra; Ros, Robert; Sischka, A.; Tönsing, K.

In: Nanobiotechnology, Vol. 1, No. 3, 2005, p. 267-270.

Research output: Contribution to journalArticle

Anselmetti, D, Griemla, N, Hellmich, W, Leffhalm, K, Ros, A, Ros, R, Sischka, A & Tönsing, K 2005, 'Single cell analytics for NanoBiology', Nanobiotechnology, vol. 1, no. 3, pp. 267-270. https://doi.org/10.1385/Nano:1:3:267
Anselmetti D, Griemla N, Hellmich W, Leffhalm K, Ros A, Ros R et al. Single cell analytics for NanoBiology. Nanobiotechnology. 2005;1(3):267-270. https://doi.org/10.1385/Nano:1:3:267
Anselmetti, D. ; Griemla, N. ; Hellmich, W. ; Leffhalm, K. ; Ros, Alexandra ; Ros, Robert ; Sischka, A. ; Tönsing, K. / Single cell analytics for NanoBiology. In: Nanobiotechnology. 2005 ; Vol. 1, No. 3. pp. 267-270.
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