Molecular Machine Assembly
Molecular Machine Assembly - Related Videos
08:56
In vitro Assembly of Semi-artificial Molecular Machine and its Use for Detection of DNA Damage
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Cited by 5 •
2012
We demonstrate the assembly and application of a molecular-scale device powered by a topoisomerase protein. The construct is a bio-molecular sensor which labels two major types of DNA breaks in tissue sections by attaching two different fluorophores to their ends.
06:15
Interactive Molecular Model Assembly with 3D Printing
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Cited by 4 •
2020
Physical modeling of microscopic systems helps obtain insights that are difficult to gain by other means. To facilitate the construction of physical molecular models, we demonstrate how 3D printing can be used to assemble functional macroscopic models that capture qualities of molecular systems in a tactile way.
08:04
Assembling Molecular Shuttles Powered by Reversibly Attached Kinesins
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Cited by 2 •
2019
We present a protocol to build molecular shuttles, where surface-adhered kinesin motor proteins propel dye-labelled microtubules. Weak interactions of the kinesins with the surface enables their reversible attachment to it. This creates a nanoscale system which exhibits dynamic assembly and disassembly of its components while retaining its functionality.
06:32
Deciphering Molecular Mechanism of Histone Assembly by DNA Curtain Technique
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Cited by 7 •
2022
DNA curtain, a high-throughput single-molecule imaging technique, provides a platform for real-time visualization of diverse protein-DNA interactions. The present protocol utilizes the DNA curtain technique to investigate the biological role and molecular mechanism of Abo1, a Schizosaccharomyces pombe bromodomain-containing AAA+ ATPase.
11:36
Assembly, Loading, and Alignment of an Analytical Ultracentrifuge Sample Cell
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Cited by 21 •
2009
The analytical ultracentrifuge (AUC) sample cell holds sample and reference buffer and during experiments and is exposed to high vacuum and rotor speeds up to 60,000 rpm. This video will demonstrate the rigorous attention to detail necessary for assembly, loading and alignment of this very important component of an AUC experiment.
FAQs
Covalent bonds provide strong, defined connections between molecular components, while noncovalent interactions contribute to the organization needed for structures and movements. Selecting between these interaction types, or combining them, lets designers control how components connect and how reliably an assembled system can support a programmed mechanical or chemical task.
Chemical energy can be linked to motion when molecular components undergo controlled conformational changes, meaning changes in their three-dimensional arrangement. This connection is central to designing machines that do more than remain structurally organized: they can respond through movement or chemical activity. Studying the conversion helps guide responsive molecular systems.
Programmed self-assembly uses designed molecular organization to produce defined nanoscale architectures from proteins, nucleic acids, or synthetic molecules. In Molecular Machine Assembly, this approach helps coordinate how components connect and how structures form. Its importance lies in translating molecular-level instructions into arrangements that can support controlled mechanical or chemical tasks.
Proteins, nucleic acids, and synthetic molecules offer different classes of building blocks for assembly, so the selected material shapes how a nanoscale system is organized. The central design requirement is precise placement and connection of these components. That choice supports construction of machines with defined structures, movements, or chemical functions suited to a particular bioengineering goal.
A practical design process begins by selecting molecular components, defining how they should connect, and choosing covalent bonds, noncovalent interactions, or programmed self-assembly to organize them. Researchers then focus on whether the resulting structure can undergo the intended conformational change and perform a controlled mechanical or chemical task.
Assembly strategies can be used to create molecular sensors, targeted drug-delivery systems, synthetic cells, and nanoscale actuators. These applications rely on organizing molecular parts so the resulting system has a defined structure and controlled behavior. In bioengineering, the same design principles connect nanoscale construction with diagnostic, therapeutic, and biotechnology goals.
Bioengineering uses this field to develop responsive biomaterials and tools for diagnostics, therapeutics, and biotechnology. The key contribution is not only building small structures, but also relating molecular connectivity and conformational change to useful function. That perspective helps researchers evaluate how nanoscale systems might perform controlled mechanical or chemical tasks in engineered settings.