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Living plastics from plasticizer-assisted thermal molding of silk protein.
Nat Commun
January 2025
Department of Biomedical Engineering, Tufts University, Medford, MA, 02155, USA.
The pursuit of materials, particularly plastics, with a minimal ecological footprint throughout their circular lifecycle, is crucial for advancing sustainable materials development. Living materials composed of embedded yet active organisms can leverage endogenous biotic resources to achieve functional materials that align with sustainability goals. However, current living material systems face challenges such as weak mechanical properties, limited environmental adaptability, and restricted cellular functionality.
View Article and Find Full Text PDFSupramolecular dextran/polyamine phosphate nanocapsules with smart responsiveness for encapsulation of therapeutics.
J Colloid Interface Sci
December 2024
Department of Chemistry 'Ugo Schiff', University of Florence, via della Lastruccia 3-13, 50019 Sesto Fiorentino (FI), Italy. Electronic address:
The polyallylamine hydrochloride (PAH) polymer is here functionalized with branched and biocompatible polysaccharide dextran (DEX) molecules. Covalent conjugation of DEX to PAH has been achieved through a straightforward reductive amination approach, allowing for a controlled number of DEX chains per PAH polymer (PAH:DEX, n = 0.1, 0.
View Article and Find Full Text PDFSpectral analysis of the impact of various polysaccharides on the entrapment of curcumin by whey protein isolate.
Food Chem
March 2025
School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China; Institute of Food Physical Processing, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China.
This study employed spectroscopic methods to investigate the interactions between whey protein isolate/polysaccharide (WPI/PS) complexes and curcumin. The UV-visible absorption spectra and fluorescence spectra indicated effective binding of curcumin to WPI and its complexes with chitosan (CS), carrageenan (CAR) and carboxymethylcellulose (CMC). This binding significantly increased the UV-visible absorption intensity of curcumin, with its maximum fluorescence emission peak shifting from 552 nm to 510 nm.
View Article and Find Full Text PDFMolecular mechanism of action of tetracycline-loaded calcium phosphate nanoparticle to kill multi-drug resistant bacteria.
Biochim Biophys Acta Gen Subj
January 2025
Department of Biochemistry and Biophysics, University of Kalyani, Kalyani 741 235, West Bengal, India. Electronic address:
Article Synopsis
- The study explores the use of calcium phosphate nanoparticles (CPNP) to enhance the effectiveness of the antibiotic tetracycline (Tet) against tetracycline-resistant bacteria, demonstrating its superior bactericidal properties compared to the standard tetracycline.
- Experimental methods showed that Tet-CPNP exhibits a higher binding affinity to bacterial ribosomes and disrupts their structure, leading to the degradation of the ribosomes and blocking protein synthesis.
- The findings suggest that Tet-CPNP could potentially overcome the challenges posed by tetracycline-resistant bacteria, revitalizing the clinical use of this established antibiotic.
Wastewater treatment optimization utilizing polyvinyl alcohol cryogel immobilized microalgae for nutrient removal.
Chemosphere
October 2024
Department of Global Smart City, Sungkyunkwan University (SKKU), 2066, Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do, 16419, Republic of Korea. Electronic address:
This study investigated the use of polyvinyl alcohol (PVA) cryogels to immobilize microalgae for wastewater treatment. Chlorella sorokiniana was successfully entrapped in PVA cryogels via repeated freeze/thaw cycles. The nutrient removal efficiency of these cryogels was tested in a continuously stirred photobioreactor under varying conditions, both with and without the addition of an organic carbon source (sodium acetate).
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