Advances of cassava starch-based composites in novel and conventional drug delivery systems: a state-of-the-art review

Das, Sanjoy; Das, Malay K.; Jamatia, Taison; Bhattacharya, Bireswar; Mazumder, Rishav; Yadav, Pradip Kumar; Ghose Bishwas, Nayan Ranjan; Deka, Trinayan; Roy, Dhritiman; Sinha, Bibek; Das, Biplajit; Daule, Ichu; Paul, Kishan; Roy, Ankita; Choudhury, Ankita; Sadhukhan, Pinkan; Sarmah, Dibyojyoti; Bhargab, Dhritiman; Jana, Bani Kumar; Tayeng, Dubom; Guha, Nilayan; Kalita, Bhrigumani; Mandal, Subhajit

doi:10.1039/d3pm00008g

Cited by 1 publication

(1 citation statement)

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“…Cassava starch contains both amylose, which exists in an amorphous phase, and amylopectin, which mostly remains in the form of crystals . The prominent diffraction peaks at 2θ = 15.34°, 17.42°, 18.22°, and 23.24° present in the X-ray diffractogram of the cassava starch powder shown in Figure S1, corresponds to the peaks originating from the semicrystalline domains of amylopectin present in the CS powder. , However, to probe the structure of cassava starch after fabricating the films, X-ray diffraction is performed. As can be inferred from the obtained X-ray diffractogram, depicted in Figure (c), a broad peak at 2θ = 20°confirms the CS films are found to be fully amorphous in nature.…”

Section: Resultsmentioning

confidence: 99%

Vapor and Light Responsive Biocompatible Soft Actuator

Kumar,

Satapathy

2024

Langmuir

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Bioinspired smart polymeric materials that undergo three-dimensional shape deformation in response to specific stimuli have gained significant attention in the field of soft robotics and intelligent devices. Despite the substantial advancements in soft robotics, there is a growing demand for the design of multistimuli-responsive soft actuators using a single layer of material due to its reduced complexity and ease of manufacturing and durability. Here, we report the actuation characteristics of a single-layer, dual-responsive soft actuator that overcomes the commonly encountered delamination issues often associated with bilayer systems by incorporating PEDOT:PSS with cassava starch. This soft actuator exhibits deformations in response to various solvent vapors, such as water, alcohol, and acetone. Remarkably, it demonstrates opposite deformations upon exposure to water and alcohol vapors. Additionally, the actuator responds to light triggers and folds upon exposure to sunlight and infrared light. The degree of folding can be precisely controlled by adjusting the intensity of the light source. Furthermore, the periodic geometric patterns imposed on the surface of the actuator provide an additional handle to control the bending axis. For proof of concept, we leverage the actuation capabilities of our actuator to showcase a range of potential applications, including its usage in wearable textiles, crawler robots, smart curtains, push-and-pull machines, and smart lifts.

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Section: Resultsmentioning

confidence: 99%