TY - JOUR
T1 - Preparation of chitin-CdTe quantum dots films and antibacterial effect on Staphylococcus aureus and Pseudomonas aeruginosa
AU - Wansapura, Poorna Tharaka
AU - Dassanayake, Rohan Suranga
AU - Hamood, Abdul
AU - Tran, Phat
AU - Moussa, Hanna
AU - Abidi, Noureddine
N1 - Publisher Copyright:
© 2017 Wiley Periodicals, Inc.
PY - 2017/6/10
Y1 - 2017/6/10
N2 - Novel chitin–cadmium-tellurium quantum dot (Chitin-CdTeQD) hybrid films combining chitin and CdTe quantum dots (CdTeQDs) were prepared via a facile aqueous synthesis route at room temperature. Films were characterized by high-resolution field emission scanning electron microscopy (HR-FESEM) and energy dispersive X-ray (EDX) spectroscopy, Fourier transform infrared (FTIR) spectroscopy, thermogravimetric analysis (TGA), and X-ray diffraction analysis (XRD). Antibacterial activity was studied on both Gram-positive (Staphylococcus aureus) and Gram-negative (Pseudomonas aeruginosa) bacteria. Antibacterial properties were investigated with agar diffusion testing assay and with confocal laser scanning microscopic image analysis. Chitin–CdTeQD films exhibited an excellent antibacterial activity against both Gram-positive and Gram-negative bacteria. Chitin–CdTeQD films might be a desirable antibacterial material for wide range of biomedical applications including wound dressing, burn treatment, drug delivery systems, packaging, ophthalmology, and implants.
AB - Novel chitin–cadmium-tellurium quantum dot (Chitin-CdTeQD) hybrid films combining chitin and CdTe quantum dots (CdTeQDs) were prepared via a facile aqueous synthesis route at room temperature. Films were characterized by high-resolution field emission scanning electron microscopy (HR-FESEM) and energy dispersive X-ray (EDX) spectroscopy, Fourier transform infrared (FTIR) spectroscopy, thermogravimetric analysis (TGA), and X-ray diffraction analysis (XRD). Antibacterial activity was studied on both Gram-positive (Staphylococcus aureus) and Gram-negative (Pseudomonas aeruginosa) bacteria. Antibacterial properties were investigated with agar diffusion testing assay and with confocal laser scanning microscopic image analysis. Chitin–CdTeQD films exhibited an excellent antibacterial activity against both Gram-positive and Gram-negative bacteria. Chitin–CdTeQD films might be a desirable antibacterial material for wide range of biomedical applications including wound dressing, burn treatment, drug delivery systems, packaging, ophthalmology, and implants.
KW - antibacterial activity
KW - biopolymers
KW - chitin
KW - nanoparticles
KW - quantum dots
UR - http://www.scopus.com/inward/record.url?scp=85012235801&partnerID=8YFLogxK
U2 - 10.1002/app.44904
DO - 10.1002/app.44904
M3 - Article
SN - 0021-8995
VL - 134
JO - Journal of Applied Polymer Science
JF - Journal of Applied Polymer Science
IS - 22
M1 - 44904
ER -