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    Neurodegenerative diseases and brain delivery of therapeutics: Bridging the gap using dendrimers
    (Editions de Sante, 2023-08-26T00:00:00) Kaur, Amandeep; Singh, Navneet; Kaur, Harmanpreet; Kakoty, Violina; Sharma, Deep Shikha; Khursheed, Rubiya; Babu, Molakpogu Ravindra; Harish, Vancha; Gupta, Gaurav; Gulati, Monica; Kumar, Puneet; Dureja, Harish; Alharthi, Nahed S.; Khan, Farhan R.; Rehman, Zia ur; Hakami, Mohammed Ageeli; Patel, Mrunali; Patel, Rashmin; Zandi, Milad; Vishwas, Sukriti; Dua, Kamal; Singh, Sachin Kumar
    Neurodegenerative diseases (NDs) continue to burden human lives and economic conditions. They continue to challenge the healthcare system due to the associated physiological barriers. Traditional treatment approaches are associated with symptomatic relief and are ineffective in the long run. Dendrimers stand out amongst other nanocarriers due to ease of surface modifications, internal encapsulation, and nanoscale uniformity of the molecule. Moreover, their internal core can encapsulate drug through electrostatic interactions. These are stable carriers in the nanometer size range. These either act as therapeutic agents per se or deliver the target drug across the blood-brain barrier while minimizing toxicity. Emerging as a promising non-invasive approach, they demonstrate the capability to interfere with in-vivo protein aggregation, typically associated with neurodegeneration. They assist via exerting various neuroprotective roles, such as in oxidative stress, neuroinflammation, inhibiting certain biochemical parameters, altering protein misfolding and aggregation, etc. However, certain limitations are associated with their elimination and cytotoxicity. The investigation revealed the masking of exposed cationic surfaces of dendrimers with inert substances, such as polyethylene glycol to limit their cytotoxicity. This review describes the incidences and pathophysiology of several NDs, properties, and methods of dendrimer synthesis, followed by various research to explore dendrimers potential to treat NDs. � 2023 Elsevier B.V.
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    Recent advances in microwave-assisted nanocarrier based drug delivery system: Trends and technologies
    (Editions de Sante, 2023-08-09T00:00:00) Virlley, Shachi; Shukla, Shipra; Arora, Sanchit; Shukla, Deeksha; Nagdiya, Deepak; Bajaj, Tania; Kujur, Sima; Garima; Kumar, Arun; Bhatti, Jasvinder Singh; Singh, Arti; Singh, Charan
    Microwave irradiation technology has a lot of applications in the field of food processing, organic synthesis, pharmaceuticals, and biomedical therapy. The basic mechanisms observed in microwave-assisted syntheses are dipolar polarization and conduction. Of late, it has gained tremendous attention in the synthesis of drug delivery systems for enhanced solubility, dissolution rate, and biopharmaceutical attributes. Considering the myriads of advantages over conventional heating such as high percentage yield, lesser reaction time, deep penetration of heat, and improved product quality; microwave-assisted technology holds potential in the development of nano- and microparticle-based drug delivery systems with improved physicochemical characteristics and thereby, bioavailability. In this review, we have discussed the formulation of drug delivery systems which includes lipidic, polymeric, metallic, and micellar nanoparticles. We have also summarized solid dispersion, dendrimers, and carbon nanotubes in this manuscript. However, it is possible to expedite the extraction process, save expenses, and increase the effectiveness, reliability, and simplicity of responses. Therefore, microwave technology provides a new avenue for the development of drug delivery systems in various biomedical applications. � 2023 Elsevier B.V.