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A novel numerical solution of nonlinear stochastic model for the propagation of malicious codes in Wireless Sensor Networks using a high order spectral collocation technique.
Sci Rep
January 2025
Computer Engineering Department, College of Computer and Information Sciences, King Saud University, Riyadh, Saudi Arabia.
The open nature of Wireless Sensor Networks (WSNs) renders them an easy target to malicious code propagation, posing a significant and persistent threat to their security. Various mathematical models have been studied in recent literature for understanding the dynamics and control of the propagation of malicious codes in WSNs. However, due to the inherent randomness and uncertainty present in WSNs, stochastic modeling approach is essential for a comprehensive understanding of the propagation of malicious codes in WSNs.
View Article and Find Full Text PDFFacile preparation of a hydrophilic Eu-based ratiometric fluorescent nanosensor for Cu ion detection and imaging in living cells.
Anal Methods
January 2025
Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Ministry of Education), School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430072, China.
In this work, a hydrophilic Eu-based ratiometric fluorescent nanosensor (PAAC-Eu) was developed for Cu ion detection in aqueous solutions and imaging in living cells. The sensor was prepared a simple one-step reaction at room temperature, leveraging the synergistic coordination of commercially accessible polyacrylic acid (PAA) and coumarin-3-carboxylic acid (CCAH) with Eu ions. PAAC-Eu was easy to disperse in aqueous media and exhibited two characteristic emission bands at 406 nm and 618 nm, respectively, upon excitation at 350 nm.
View Article and Find Full Text PDFAmended Ferrozine Assay for Quantifying Magnetosome Iron Content in Magnetotactic Bacteria.
ACS Omega
December 2024
Department of Environmental Engineering, National Chung Hsing University, 145 Xingda Road, Taichung 40227, Taiwan.
MSR-1 can biomineralize the magnetosome, nanoscale magnetite (FeO) surrounded by a lipid bilayer, inside the cell. The magnetosome chain(s) enables MSR-1 to move along with the magnetic field (magnetoaerotaxis). Due to its unique characteristics, MSR-1 has attracted attention for biotechnological applications.
View Article and Find Full Text PDFCarbon Nanofibers as Supporting Substrate for Growth of Polyaniline Nanorods on FeO Nanoneedles toward Electrochemical Energy Storage.
ACS Omega
December 2024
School of Optoelectronic Materials & Technology, Jianghan University, Wuhan 430056, China.
Iron-oxide (FeO) nanoneedles were first in situ grown on the surface of carbon nanofibers (CNFs) using hydrothermal and N annealing process, and then polyaniline (PANI) was coated on the FeO nanoneedles to form network-like nanorods through dilute solution polymerization. The PANI/FeO/CNFs binder-free electrode exhibited a high specific capacitance of 603 F/g at 1 A/g with good rate capability. (The capacitance loss was about 48.
View Article and Find Full Text PDFMedially Based "Abdominal Rotation Advancement Flap": A Promising Technique for Mastectomy Defect Reconstruction in "High-Risk Patients" Awaiting Adjuvant Radiotherapy.
Indian J Plast Surg
December 2024
Department of Plastic Surgery, Osmania Medical College, Telangana, India.
Extensive postmastectomy defects and soft-tissue defects often require some additional flap cover of reconstruction after excision. The reconstruction aim in this group should be a diligent and easy closure with a quality skin cover, early recovery, and brief stay in hospital so that the patients can receive early postoperative radiotherapy/chemotherapy. Medially based abdominal transposition flap is a type C fasciocutaneous flap based on medial perforating vessels.
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