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1.	Albet-Torres, Nuria, et al. (author) Long-Term Storage of Surface-Adsorbed Protein Machines 2011 In: Langmuir. - : American Chemical Society (ACS). - 0743-7463 .- 1520-5827. ; 27:11, s. 7108-7112 Journal article (peer-reviewed)abstract The effective and simple long-term storage of complex functional proteins is critical in achieving commercially viable biosensors. This issue is particularly challenging in recently proposed types of nanobiosensors, where molecular-motor-driven transportation substitutes microfluidics and forms the basis for novel detection schemes. Importantly, therefore, we here describe that delicate heavy meromyosin (HMM)-based nanodevices (HMM motor fragments adsorbed to silanized surfaces and actin bound to HMM) fully maintain their function when stored at -20 degrees C for more than a month. The mechanisms for the excellent preservation of acto-HMM motor function upon repeated freeze thaw cycles are discussed. The results are important to the future commercial implementation of motor-based nanodevices and are of more general value to the long-term storage of any protein-based bionanodevice.

Albet-Torres, Nuria, et al. (author)
Long-Term Storage of Surface-Adsorbed Protein Machines
2011
In: Langmuir. - : American Chemical Society (ACS). - 0743-7463 .- 1520-5827. ; 27:11, s. 7108-7112
Journal article (peer-reviewed)abstract
- The effective and simple long-term storage of complex functional proteins is critical in achieving commercially viable biosensors. This issue is particularly challenging in recently proposed types of nanobiosensors, where molecular-motor-driven transportation substitutes microfluidics and forms the basis for novel detection schemes. Importantly, therefore, we here describe that delicate heavy meromyosin (HMM)-based nanodevices (HMM motor fragments adsorbed to silanized surfaces and actin bound to HMM) fully maintain their function when stored at -20 degrees C for more than a month. The mechanisms for the excellent preservation of acto-HMM motor function upon repeated freeze thaw cycles are discussed. The results are important to the future commercial implementation of motor-based nanodevices and are of more general value to the long-term storage of any protein-based bionanodevice.

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