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Global Translational Medicine                                   Phytonanotherapy in cancer and diabetes care



            4.2.2. NP synthesis                                Anticancer  medicines  or  therapeutic  chemicals

            The gold or silver salt (AuCl or AgNO ) is dissolved in   derived from medicinal plants can be encapsulated in
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            distilled water in a separate container. The plant extract is   phytosynthesized NPs. These NPs can then be selectively
            then gradually added to the salt solution while swirling or   targeted to cancer cells while causing minimal damage to
            shaking. The plant extract functions as a reducing agent,   healthy tissues. This focused drug delivery can improve
            causing metal ions to be reduced and NPs to form. The   cancer treatment efficacy while lowering negative effects.
            color change in the solution is observed; for gold NPs,   Because NPs have a high surface area-to-volume ratio, they
            the solution will typically change to hues of red or yellow,   can greatly increase the solubility and bioavailability of
            while for silver NPs, it will typically change to shades of   anticancer drugs that are weakly water soluble. This means
            brown or yellow. The reaction is allowed to occur for a   more therapeutic ingredient is delivered to cancer cells,
            predetermined time at an acceptable temperature (typically   thereby enhancing the efficacy of the therapy.
            at or near room temperature). 25                     Medicinal plants include a varied range of
                                                               phytochemicals. 28-30  Combining these plants’ medicinal
            4.2.3. Characterization and stabilization
                                                               chemicals with the unique properties of NPs can result in
            To assess the size, shape, and stability of the synthesized   synergistic effects, potentially boosting their anticancer
            NPs, techniques such as ultraviolet-visible spectroscopy,   potency. Toxicity is frequently reduced in phytosynthesized
            dynamic light scattering, and transmission electron   NPs, as opposed to some standard chemotherapeutic
            microscopy are  used.  A  stabilizing  agent  (e.g., PVP  or   medicines, which can have severe adverse effects. As a
            PEG) is added if necessary to improve stability and prevent   result, cancer patients may find the phytosynthesized NP
            aggregation. 26                                    treatment more acceptable.
            4.2.4. Concentration and purification                Cancer  cells  can  develop  resistance  to chemotherapy
                                                               treatments over time. Phytosynthesized NPs may provide a
            To remove the NPs from any unreacted materials or   fresh strategy for combating drug resistance, making them
            contaminants,  the  suspension  is centrifuged. The  NPs
            from the centrifuge tube are removed and the supernatant   potentially useful against drug-resistant cancer cells.
            is discarded. To eliminate any remaining plant extract or   Some phytosynthesized NPs can be potentially
            byproducts, the NPs are washed with distilled water.  employed in cancer imaging and diagnostics. They can
                                                               be used as contrast agents in imaging techniques, such as
            4.2.5. Storage                                     MRI, for the early diagnosis and monitoring of malignant
            To guarantee the stability, the purified phytosynthesized   growths.
            NPs are stored in a suitable storage solution. 27    The use of phytosynthesized NPs is consistent
              These photosynthesized gold and silver NPs will   with green and sustainable medical concepts. Being
            subsequently be characterized and assessed for efficacy   derived  from  natural  sources,  they  often  exhibit  fewer
            in cancer and diabetes treatment. The NPs can be   adverse effects compared to synthetic alternatives.
            functionalized and adapted for diverse uses based on the   Phytosynthesized NPs can also be used in combination
            individual phytochemicals contained in the plant extract   with other cancer treatments, such as radiation therapy
            and the desired therapeutic characteristics. Thorough   or immunotherapy, to develop comprehensive cancer
            study and testing are required to establish their usefulness   treatment methods.  The adaptability of phytosynthesized
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            and safety for medical usage. 26,27                NPs enables treatment to be tailored to individual patients
              Table  3 addresses the need for real-world examples   and cancer types, potentially leading to more personalized
            and research findings by presenting specific case studies   and effective therapies. 31
            and treatment examples of plants combined with NPs that   5.1. Developments in the field of green NPs for
            have demonstrated success in treating cancer and diabetes.   cancer treatment
            It adds tangible information on the impacts of NPs and
            phytonanotherapy to the theoretical backdrop, presenting   To synthesize green NPs for cancer therapy, researchers
            study findings that show their efficacy.           have been investigating various plant-based materials, such
                                                               as extracts from medicinal plants and agricultural waste.
            5. Anticancer phytomedicine                        These plant-based NPs have shown potential in targeted
                                                               medication delivery and cancer cell imaging. 32
            The use of phytochemicals from medicinal plants in
            the manufacture of gold and silver NPs has tremendous   Green NPs produced from biodegradable materials,
            promise, particularly in their  role as anticancer  drugs.   such as chitosan, alginate, or cellulose, have gained


            Volume 4 Issue 1 (2025)                         21                              doi: 10.36922/gtm.5840
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