Prottasha Sarker

College of Engineering

Works (6)

Updated: December 1st, 2025 15:12

2025 article

Nanodiamond‐Infused Microgels for pH‐Tunable Rheology, Lubrication, and UV Protection (Adv. Funct. Mater. 46/2025)

Jani, P. K., Nadkarni, S. A., Ernst, K. J., Farias, B. V., Hincher, C. G., Ojuade, O. A., … Khan, S. A. (2025, November 1). Advanced Functional Materials.

By: P. Jani n, S. Nadkarni n, K. Ernst n, B. Farias n, C. Hincher n, O. Ojuade n, Y. Saraswat n, P. Sarker n ...

topics (OpenAlex):
Sources: NC State University Libraries, NC State University Libraries
Added: November 26, 2025

2024 article

Colloidal interactions between nanochitin and surfactants: Connecting micro- and macroscopic properties by isothermal titration calorimetry and rheology

Sarker, P., Su, X., Rojas, O. J., & Khan, S. A. (2024, May 28). Carbohydrate Polymers, Vol. 341.

By: P. Sarker n, X. Su*, O. Rojas n & S. Khan n 

author keywords: Rheology; Isothermal titration calorimetry; Nanochitin; Surfactants; Biomaterials
topics (OpenAlex): Polysaccharides Composition and Applications; Surfactants and Colloidal Systems; Proteins in Food Systems
Sources: Web Of Science, NC State University Libraries
Added: July 1, 2024

2023 journal article

Characterization and biological evaluation of a novel flavonoid‐collagen antioxidant hydrogel with cytoprotective properties

Journal of Biomedical Materials Research Part B: Applied Biomaterials, 112(1).

By: D. Nalband n, P. Sarker n, S. Khan n  & D. Freytes n 

author keywords: antioxidant; collagen; hydrogel; luteolin; reactive oxygen species; skin graft; wound healing
MeSH headings : Antioxidants / pharmacology; Hydrogels / pharmacology; Hydrogels / chemistry; Flavonoids; Reactive Oxygen Species / metabolism; Luteolin / pharmacology; Collagen / pharmacology; Collagen / metabolism; Anti-Bacterial Agents
topics (OpenAlex): Wound Healing and Treatments; Collagen: Extraction and Characterization; Periodontal Regeneration and Treatments
TL;DR: Adequate cell viability and metabolic activity of dermal fibroblasts cultured within the gels were measured across all formulations, resulting in higher antioxidant activity and more than double the protection to cells from oxidative damage than traditional collagen hydrogels. (via Semantic Scholar)
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6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries, Crossref
Added: October 23, 2023

2023 journal article

Interacting collagen and tannic acid Particles: Uncovering pH-dependent rheological and thermodynamic behaviors

Journal of Colloid and Interface Science, 650, 541–552.

By: P. Sarker n, P. Jani n, L. Hsiao n , O. Rojas n & S. Khan n 

author keywords: Particle-polyelectrolyte interactions; Collagen; Tannic Acid; Biomaterials; Rheology; Isothermal titration calorimetry; Quartz Crystal Microbalance
topics (OpenAlex): thermodynamics and calorimetric analyses; Collagen: Extraction and Characterization; Cellular Mechanics and Interactions
TL;DR: The effect of pH on the interactions between collagen and TA particles is explored by adding TA particles at physiological pH to collagen at both acidic and neutral pH, and results show significant increase in elastic modulus with an increase in collagen concentration. (via Semantic Scholar)
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6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, Crossref, NC State University Libraries
Added: July 5, 2023

2022 journal article

High-Axial-Aspect Tannic Acid Microparticles Facilitate Gelation and Injectability of Collagen-Based Hydrogels

Biomacromolecules, 23(11), 4696–4708.

By: P. Sarker n, D. Nalband n, D. Freytes n , O. Rojas n & S. Khan n 

MeSH headings : Humans; Hydrogels / chemistry; Tannins; Collagen / chemistry; Elastic Modulus; Rheology
topics (OpenAlex): Collagen: Extraction and Characterization; Tendon Structure and Treatment; 3D Printing in Biomedical Research
TL;DR: Hydrogels containing TA microparticles show high cell viability and comparative cellular activity relative to the collagen-only hydrogel, demonstrating a new, simple, and better-performance alternative to cell culturing and difficult implantation scenarios. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: October 6, 2022

2021 journal article

Monitoring decellularization via absorbance spectroscopy during the derivation of extracellular matrix scaffolds

Biomedical Materials, 17(1), 015008.

By: C. Mora-Navarro  n, M. Garcia  n, P. Sarker n, E. Ozpinar n , J. Enders n , S. Khan n , R. Branski*, D. Freytes n 

author keywords: extracellular matrix; manufacturing; decellularization; monitoring; vocal fold
MeSH headings : Biocompatible Materials; Extracellular Matrix / chemistry; Hydrogels; Regenerative Medicine; Spectrum Analysis; Tissue Engineering / methods; Tissue Scaffolds
topics (OpenAlex): Tissue Engineering and Regenerative Medicine; Electrospun Nanofibers in Biomedical Applications; Additive Manufacturing and 3D Printing Technologies; Voice and Speech Disorders; Tracheal and airway disorders
TL;DR: Monitoring the bioreactor’s effluent absorbance at 260 nm as a function of time will provide a representative DNA release profile from the tissue and thus allow for process optimization, showing that absorbance profiles are a good representation of DNA removal during the decellularization process thus providing an important tool to optimize future protocols. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: November 4, 2021

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