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Topic Review
Nanoemulsions
Nanoemulsions (NEs) are lipophilic systems with nanoscale globules that can be absorbed e.g. through the nasal mucosa, and are therefore being explored for nose-to-brain delivery of drugs. These can be either oil-in-water (o/w) or water-in-oil (w/o) emulsions. Especially, o/w NEs are a promising option for the encapsulation of lipophilic drugs, protecting them from enzymatic degradation, increasing their solubility in liquid media, modulating their drug release, and improving their bioavailability.
  • 1.1K
  • 04 Jan 2021
Topic Review
Nanoformulation of Peptides
Several polymeric nanoparticles have been utilized as potential carriers for peptides and are used for the peptide formulation in controlled and targeted delivery applications. Nanoformulated peptides are reported to improve drug administration, where the drugs are either dissolved, entrapped, encapsulated, or attached to drug carriers.
  • 485
  • 17 Jan 2023
Topic Review
Nanomaterials Aiming to Tackle Antibiotic-Resistant Bacteria
The most important current issue related to human health is bacterial resistance against antibiotics. Prolonged treatment using antibiotics is required in multidrug-resistant conditions, along with debridement of tissue, but in a small number of cases, the high costs of healthcare and low patient compliance prevent this treatment from succeeding. The identical features of nanomaterials make them unique candidates and boost the efficacy against multi-drug-resistant bacterial infection. Nanomaterials execute different bactericidal actions, and therefore bacteria face difficulty against therapeutics due to nanomaterial morphology such as size, shape, and surface chemistry. Nanomaterials can penetrate the bacterial membrane with unique drug cargo. Therefore, nanomaterials may be helpful for treatment by improving the therapeutic efficacy through their interaction with the bacterial cell system.
  • 680
  • 30 Mar 2022
Topic Review
Nanomaterials Combined with Bacteriocins
Bacteriocins are antimicrobial peptides or proteinaceous materials produced by bacteria against pathogens. These molecules have high efficiency and specificity and are equipped with many properties useful in food-related applications, such as food preservatives and additives, as well as biomedical applications, such as serving as alternatives to current antibacterial, antiviral, anti-cancer, and antibiofilm agents. Despite their advantages as alternative therapeutics over existing strategies, several limitations of bacteriocins, such as the high cost of isolation and purification, narrow spectrum of activity, low stability and solubility, and easy enzymatic degradation, need to be improved. Nanomaterials are promising agents in many biological applications. They are widely used in the conjugation or decoration of bacteriocins to augment the activity of bacterioc-ins or reduce problems related to their use in biomedical applications. Therefore, bacteriocins combined with nanomaterials have emerged as promising molecules that can be used in various biomedical applications.
  • 2.0K
  • 11 Oct 2021
Topic Review
Nanomedicine for Pediatric Healthcare
Pediatrics is the field of medicine that centers on physical, social, and mental health from birth to the end of adolescence. Nanotechnology has received enthusiasm among the scientific community, particularly in medicine and pharmaceutical fields, due to its potential to incorporate diagnostic and treatment tools in the same nanocarrier, enhance targetability to specific organs, decrease toxicity, and potentially reduce treatment schedules. At the same time, it provides a tool to increase patient compliance, which is an essential task concerning the pediatric population.
  • 259
  • 20 Oct 2023
Topic Review
Nanomedicines for Overcoming Cancer Drug Resistance
Clinically, cancer drug resistance to chemotherapy, targeted therapy or immunotherapy remains the main impediment towards curative cancer therapy, which leads directly to treatment failure along with extended hospital stays, increased medical costs and high mortality. Therefore, increasing attention has been paid to nanotechnology-based delivery systems for overcoming drug resistance in cancer. In this respect, novel tumor-targeting nanomedicines offer fairly effective therapeutic strategies for surmounting the various limitations of chemotherapy, targeted therapy and immunotherapy, enabling more precise cancer treatment, more convenient monitoring of treatment agents, as well as surmounting cancer drug resistance, including multidrug resistance (MDR). Nanotechnology-based delivery systems, including liposomes, polymer micelles, nanoparticles (NPs), and DNA nanostructures, enable a large number of properly designed therapeutic nanomedicines. Nanomedicines have paved the way for effective treatment of cancer by rationally designing strategies such as passive targeted drug delivery, active targeted drug delivery, co-delivery of combinatorial agents and multimodal combination therapy, and have broad prospects in overcoming drug resistance. It is believed that nanomedicines will be an attractive strategy for reversing or overcoming cancer drug resistance.
  • 414
  • 18 Aug 2022
Topic Review
Nanoparticle-Mediated Delivery of STAT3 Inhibitors in Lung Cancer
Lung cancer is a common malignancy worldwide, with high morbidity and mortality. Signal transducer and activator of transcription 3 (STAT3) is an important transcription factor that not only regulates different hallmarks of cancer, such as tumorigenesis, cell proliferation, and metastasis but also regulates the occurrence and maintenance of cancer stem cells (CSCs). Abnormal STAT3 activity has been found in a variety of cancers, including lung cancer, and its phosphorylation level is associated with a poor prognosis of lung cancer. Therefore, the STAT3 pathway may represent a promising therapeutic target for the treatment of lung cancer. Various types of STAT3 inhibitors, including natural compounds, small molecules, and gene-based therapies, have been developed through direct and indirect strategies, although most of them are still in the preclinical or early clinical stages.
  • 524
  • 23 Dec 2022
Topic Review
Nanoparticles in Neuro-Oncology Theranostics
The rapid growth of nanotechnology and the development of novel nanomaterials with unique physicochemical characteristics provides potential for the utility of nanomaterials in theranostics, including neuroimaging, for identifying neurodegenerative changes or central nervous system malignancy. 
  • 433
  • 02 Jul 2021
Topic Review
Nanoparticles in the Intestinal Epithelial Cell Membrane
Intestinal epithelial cells are the most abundant epithelial cells in the intestine, accounting for 90–95% of intestinal cells. They are columnar cells with hair-like projections called microvilli on the apical membrane, which greatly increase the surface area available for absorption. The transintestinal cell pathway refers to the process in which nanoparticles pass through apical and basolateral membranes via intercellular transport and then discharge from the basement membrane to the extracellular space. The entire process can be divided into three stages: the uptake of nanoparticles in the apical membrane of intestinal epithelial cells, the transport of endosomes in the cytoplasm and the exocytosis of nanoparticles in the basement membrane.
  • 377
  • 05 Jul 2023
Topic Review
Nanoparticulate Drug Delivery Systems
Research into the application of nanocarriers in the delivery of cancer-fighting drugs has been a promising research area for decades. On the other hand, their cytotoxic effects on cells, low uptake efficiency, and therapeutic resistance have limited their therapeutic use. However, the urgency of pressing healthcare needs has resulted in the functionalization of nanoparticles’ (NPs) physicochemical properties to improve clinical outcomes of new, old, and repurposed drugs.
  • 591
  • 14 Jun 2022
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