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- Bunk, RichardLund University,Lunds universitet,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH (author)
Actomyosin motility on nanostructured surfaces
- Article/chapterEnglish2003
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- 2003
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- LIBRIS-ID:oai:lup.lub.lu.se:85b4439c-e610-428e-a310-8667b954b428
- https://lup.lub.lu.se/record/317965URI
- https://doi.org/10.1016/S0006-291X(03)00027-5DOI
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- Language:English
- Summary in:English
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- We have here, for the first time, used nanofabrication techniques to reproduce aspects of the ordered actomyosin arrangement in a muscle cell. The adsorption of functional heavy meromyosin (HMM) to five different resist polymers was first assessed. One group of resists (MRL-6000.1XP and ZEP-520) consistently exhibited high quality motility of actin filaments after incubation with HMM. A second group (PMMA-200, PMMA-950, and MRI-9030) generally gave low quality of motility with only few smoothly moving filaments. Based on these findings electron beam lithography was applied to a bi-layer resist system with PMMA-950 on top of MRL-6000.1XP. Grooves (100-200 nm wide) in the PMMA layer were created to expose the MRL-6000.1XP surface for adsorption of HMM and guidance of actin filament motility. This guidance was quite efficient allowing no U-turns of the filaments and approximately 20 times higher density of moving filaments in the grooves than on the surrounding PMMA.
Subject headings and genre
- NATURVETENSKAP Biologi hsv//swe
- NATURAL SCIENCES Biological Sciences hsv//eng
- beam lithography
- electron
- nanotechnology
- resist polymer
- motility assay
- actin
- myosin
- atomic force microscope
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- Klinth, J (author)
- Montelius, LarsLund University,Lunds universitet,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)ftf-lmo (author)
- Nicholls, IA (author)
- Omling, PärLund University,Lunds universitet,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)ftf-pom (author)
- Tagerud, S (author)
- Mansson, A (author)
- Fasta tillståndets fysikFysiska institutionen (creator_code:org_t)
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- In:Biochemical and Biophysical Research Communications301:3, s. 783-7881090-2104
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