Publications by authors named "Mahmoud Mohamed Omar"
Diffusion cells are devices made of donor and acceptor compartments (DC and AC), separated by a membrane. They are widely used in pharmaceutical, cosmetic, toxicology, and protective equipment tests (e.g.
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- Diffusion cells are essential tools in pharmacology that evaluate how pharmaceuticals and contaminants permeate membranes, with a design that includes a donor and acceptor compartment separated by a membrane.
- The study developed a novel type of diffusion cell compatible with nuclear imaging, using high-energy photon detection from positron emission tomography (PET) to improve measurement accuracy.
- The experiment using different cellulose membranes revealed important permeability characteristics of the drug deferoxamine B, including lag time and diffusion coefficients, thereby enhancing understanding of drug release mechanisms.
Nanotechnologies are increasingly being developed for medical purposes. However, these nanomaterials require ultrastability for better control of their pharmacokinetics. The present study describes three types of ultrastable gold nanoparticles stabilized by thiolated polyethylene glycol groups remaining intact when subjected to some of the harshest conditions described thus far in the literature, such as autoclave sterilization, heat and freeze-drying cycles, salts exposure, and ultracentrifugation.
View Article and Find Full Text PDFBackground: Nymphaea alba L. represents an interesting field of study. Flowers have antioxidant and hepatoprotective effects, rhizomes constituents showed cytotoxic activity against liver cell carcinoma, while several Nymphaea species have been reported for their hepatoprotective effects.
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