Prottasha Sarker

College of Engineering

Works (5)

Updated: July 4th, 2024 05:01

2024 journal article

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

CARBOHYDRATE POLYMERS, 341.

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

author keywords: Rheology; Isothermal titration calorimetry; Nanochitin; Surfactants; Biomaterials
Sources: Web Of Science, NC State University Libraries
Added: July 1, 2024

2023 article

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

Nalband, D. M., Sarker, P., Khan, S. A., & Freytes, D. O. (2023, September 16). JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B-APPLIED BIOMATERIALS, Vol. 9.

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
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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Sources: Web Of Science, NC State University Libraries
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
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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Sources: Web Of Science, ORCID, Crossref, NC State University Libraries
Added: July 5, 2023

2022 article

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

Sarker, P., Nalband, D. M., Freytes, D. O., Rojas, O. J., & Khan, S. A. (2022, October 5). BIOMACROMOLECULES, Vol. 10.

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
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
Added: October 6, 2022

2021 journal article

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

BIOMEDICAL MATERIALS, 17(1).

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
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
Added: November 4, 2021

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