Cargo transportation using an active polymer

One of the fundamental goals of bioinspired synthetic systems is to achieve enhanced and controlled transport. Here, we demonstrate the transport of a colloidal cargo with an active filamentous engine. We explore the efficiency of the directional transport of the colloidal cargo by attaching it eith...

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Main Authors: Namita Jain, Snigdha Thakur
Format: Article
Language:English
Published: AIP Publishing LLC 2022-11-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/5.0119830
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author Namita Jain
Snigdha Thakur
author_facet Namita Jain
Snigdha Thakur
author_sort Namita Jain
collection DOAJ
description One of the fundamental goals of bioinspired synthetic systems is to achieve enhanced and controlled transport. Here, we demonstrate the transport of a colloidal cargo with an active filamentous engine. We explore the efficiency of the directional transport of the colloidal cargo by attaching it either at the front (pushing) or at the back (pulling) of the filament. The filament is chemo-mechanically active and acquires the activity by attaching chemically active beads that provide local tangential force along the chain. The effect of the size and location of the load, activity, and bending rigidity is comprehensively explored. We observe a transition from directional to rotational motion for the pushing load filament, whereas no such transition is observed for the filament pulling the load. The transition between different states is characterized using structural properties, such as the radius of gyration, order parameter, and tangent–tangent correlation. With the help of dynamical properties, we show that the modes of propulsion and their efficiency is different for pushing and pulling, which depend on the load size.
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spelling doaj.art-1ed881a671424a4a87a6bf4532be95982023-01-19T16:29:03ZengAIP Publishing LLCAIP Advances2158-32262022-11-011211115211115211-1010.1063/5.0119830Cargo transportation using an active polymerNamita Jain0Snigdha Thakur1Department of Physics, Indian Institute of Science Education and Research Bhopal, Bhopal 462066, IndiaDepartment of Physics, Indian Institute of Science Education and Research Bhopal, Bhopal 462066, IndiaOne of the fundamental goals of bioinspired synthetic systems is to achieve enhanced and controlled transport. Here, we demonstrate the transport of a colloidal cargo with an active filamentous engine. We explore the efficiency of the directional transport of the colloidal cargo by attaching it either at the front (pushing) or at the back (pulling) of the filament. The filament is chemo-mechanically active and acquires the activity by attaching chemically active beads that provide local tangential force along the chain. The effect of the size and location of the load, activity, and bending rigidity is comprehensively explored. We observe a transition from directional to rotational motion for the pushing load filament, whereas no such transition is observed for the filament pulling the load. The transition between different states is characterized using structural properties, such as the radius of gyration, order parameter, and tangent–tangent correlation. With the help of dynamical properties, we show that the modes of propulsion and their efficiency is different for pushing and pulling, which depend on the load size.http://dx.doi.org/10.1063/5.0119830
spellingShingle Namita Jain
Snigdha Thakur
Cargo transportation using an active polymer
AIP Advances
title Cargo transportation using an active polymer
title_full Cargo transportation using an active polymer
title_fullStr Cargo transportation using an active polymer
title_full_unstemmed Cargo transportation using an active polymer
title_short Cargo transportation using an active polymer
title_sort cargo transportation using an active polymer
url http://dx.doi.org/10.1063/5.0119830
work_keys_str_mv AT namitajain cargotransportationusinganactivepolymer
AT snigdhathakur cargotransportationusinganactivepolymer