Publications by authors named "Piyush Kumar Gupta"

In vivo imaging with biocompatible fluorescent agents such as carbon dots (C-Dots) is becoming increasingly popular in theranostics. This study investigates the efficacy and safety of fluorescent C-Dots derived from Withania coagulans (WC) flowers, as well as their modified version, through in vitro and in vivo experiments. A hydrothermal method was used to synthesize three types of C-Dots, i.

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Neurodegenerative diseases have always posed a significant therapeutic challenge due to the restrictive nature of the blood-brain barrier (BBB). Intranasal drug delivery has emerged as a noninvasive approach to bypass the BBB, enabling targeted brain drug delivery while improving drug retention and transport. This review explores the physiological basis of the nose-to-brain pathway and various formulation strategies including mucoadhesive systems, permeation enhancers, and magnetophoretic approaches.

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Zein nanoparticles (ZNPs) have gained significant attention as biocompatible and biodegradable nanocarrier systems for brain-targeted drug delivery. Their ability to encapsulate hydrophobic drugs and undergo surface modifications enables effective blood-brain barrier (BBB) penetration through receptor-mediated transcytosis. Functionalization approaches, such as PEGylation and ligand conjugation, have been explored to enhance BBB transport and improve drug bioavailability.

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Cancer affects millions of individuals every year and is the second most common cause of death. Various therapeutic strategies are explored for the management of cancer including radiation therapy and chemotherapy with or without surgical procedures. However, the drawbacks like poor cancer cell targeting and higher toxicity for healthy cells need the advancement of the therapeutic strategy.

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Capacitive-based radiofrequency (Rf) radiation at 27 MHz offers a non-invasive approach for inducing hyperthermia, making it a promising technique for thermal cancer therapy applications. To achieve focused and site-specific hyperthermia, Rf-responsive materials is required to convert Rf radiation into localized heat efficiently. Nanoparticles capable of absorbing Rf energy and convert into heat for targeted ablation are of critical importance.

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The interplay between human health and the microbiome has gained extensive attention, with probiotics emerging as pivotal therapeutic agents due to their vast potential in treating various health issues. As significant modulators of the gut microbiota, probiotics are crucial in maintaining intestinal homeostasis and enhancing the synthesis of short-chain fatty acids. Despite extensive research over the past decades, there remains an urgent need for a comprehensive and detailed review that encapsulates probiotics' latest insights and applications.

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Leishmaniasis, one of the most overlooked tropical diseases, is a life-threatening illness caused by the parasite that is prevalent in underdeveloped nations. Over 350 million individuals in more than 90 different nations worldwide are at risk of contracting the disease, which has a current fatality rate of 50 000 mortalities each year. The administration of liposomal Amp B, pentavalent antimonials, and miltefosine are still considered integral components of the chemotherapy regimen.

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Article Synopsis
  • Chronic wounds, often exacerbated by conditions like diabetes, require advanced care methods beyond standard practices, and 3D-bioprinting presents a promising solution for creating personalized and effective wound dressings.
  • The review discusses the limitations of traditional wound care, emphasizing the potential of using natural biomaterials with 3D printing technology to develop customized dressings for various chronic wound situations, supported by recent research and patents.
  • Experts recognize the challenges and costs associated with wound treatment, viewing 3D printing as a revolutionary yet developing technology that could enhance treatment outcomes by promoting healing processes, despite existing resistance within the healthcare system.
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Biofilms are an intricate community of microbes that colonize solid surfaces, communicating via a quorum-sensing mechanism. These microbial aggregates secrete exopolysaccharides facilitating adhesion and conferring resistance to drugs and antimicrobial agents. The escalating global concern over biofilm-related infections on medical devices underscores the severe threat to human health.

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Recently, the use of hybrid nanomaterials (NMs)/nanocomposites has widely increased for the health, energy, and environment sectors due to their improved physicochemical properties and reduced aggregation behavior. However, prior to their use in such sectors, it is mandatory to study their toxicological behavior in detail. In the present study, a ZnFeO@poly(BGE--PA) nanocomposite is tested to study its toxicological effects on a fruit fly model.

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Article Synopsis
  • Cancer is a major global health issue with limited treatment options, and traditional chemotherapy often causes toxicity and resistance, leading to the need for alternative therapies.
  • Phytochemicals, which are natural compounds, show promise in treating cancer with lower toxicity, but their effectiveness is often limited by issues such as solubility and stability.
  • Nanotechnology offers a potential solution by enabling the development of nanosystems that deliver phytochemicals more effectively, promoting better cancer management through targeted and sustained release strategies while also addressing regulatory concerns for clinical application.
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Tweetable abstract Unveiling the power of polyester nanomedicines in revolutionizing visceral leishmaniasis treatment with enhanced drug loading and precise targeting.

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Lipid-based nanodrug delivery systems hold considerable promise in therapeutic intervention for leishmaniasis by enhancing drug solubility and targeted delivery.

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Article Synopsis
  • Ulcerative colitis (UC) is a complex condition linked to an abnormal immune response to gut bacteria, leading to ongoing inflammation in the gastrointestinal tract.
  • Synbiotics, which combine prebiotics and probiotics, show promise in managing UC by reducing inflammation, lowering reactive oxygen species, and enhancing antioxidant enzymes.
  • The article underscores the need for more research on the benefits of synbiotics and the effects of oxidative stress in UC, highlighting their potential in improving treatment outcomes.
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Human viral oncogenesis is a complex phenomenon and a major contributor to the global cancer burden. Several recent findings revealed cellular and molecular pathways that promote the development and initiation of malignancy when viruses cause an infection. Even, antiviral treatment has become an approach to eliminate the viral infections and prevent the activation of oncogenesis.

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Metal/Metal Oxide nanoparticles (M/MO NPs) exhibit potential biomedical applications due to their tunable physicochemical properties. Recently, the biogenic synthesis of M/MO NPs has gained massive attention due to their economical and eco-friendly nature. In the present study, Nyctanthes arbor-tristis (Nat) flower extract-derived Zinc Ferrite NPs (Nat-ZnFeO NPs) were synthesized and physicochemically characterized by FTIR, XRD, FE-SEM, DLS, and other instruments to study their crystallinity, size, shape, net charge, presence of phytocompounds on NP's surface and several other features.

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Over the last few decades, the application of nanoparticles (NPs) gained immense attention towards environmental and biomedical applications. NPs are ultra-small particles having size ranges from 1 to 100 nm. NPs loaded with therapeutic or imaging compounds have proved a versatile approach towards healthcare improvements.

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The current study reports the synthesis of sustainable nano-hydroxyapatite (nHAp) using a wet chemical precipitation approach. The materials used in the green synthesis of nHAp were obtained from environmental biowastes such as HAp from eggshells and pectin from banana peels. The physicochemical characterization of obtained nHAp was carried out using different techniques.

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Organoids provide us an opportunity to understand how diseases affect cellular physiology, human tissues or organs. They are indespensible tools for biomaterial toxicity analysis, drug discovery and regenerative medicine.

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Inorganic nanoparticles (NPs) have played an important role as nano-drug delivery systems during cancer therapy in recent years. These NPs can carry cancer therapeutic agents. Due to this, they are considered a promising ancillary to traditional cancer therapies.

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