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      • Record: found
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      Bentonite Clay as a Natural Remedy: A Brief Review

      review-article
      Author(s): 1 , 2 ,
      Publication date (Print):
      Journal: Iranian Journal of Public Health
      Publisher: Tehran University of Medical Sciences
      Keywords: Bentonite clay, Medicine, Health, Remedy

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          Abstract

          Background:

          From old times, the human kind has used clays, externally or internally, for maintaining body health or treating some diseases. Meanwhile there are few scientific articles reviewing the beneficial effects of clays on body function. Bentonite clay is one of the available clays in nature, used as traditional habits, and remedies in many cultures.

          Methods:

          These articles explored among 2500 scientific articles published in PubMed to sort the scientific works have been done on the effects of this clay on body function (it was about 100 articles).

          Results:

          Bentonite has a broad range of action on different parts of body.

          Conclusion:

          As traditional remedies seem to have a deep root in maintaining body health, it merits doing more research works on bentonite clay and its impacts on body function.

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          Most cited references65

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          Review: nanocomposites in food packaging.

          Amit Arora, G Padua (2010)
          The development of nanocomposites is a new strategy to improve physical properties of polymers, including mechanical strength, thermal stability, and gas barrier properties. The most promising nanoscale size fillers are montmorillonite and kaolinite clays. Graphite nanoplates are currently under study. In food packaging, a major emphasis is on the development of high barrier properties against the migration of oxygen, carbon dioxide, flavor compounds, and water vapor. Decreasing water vapor permeability is a critical issue in the development of biopolymers as sustainable packaging materials. The nanoscale plate morphology of clays and other fillers promotes the development of gas barrier properties. Several examples are cited. Challenges remain in increasing the compatibility between clays and polymers and reaching complete dispersion of nanoplates. Nanocomposites may advance the utilization of biopolymers in food packaging.
          Article 0 comments Cited 145 times – based on 0 reviews     Review now
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            Poly(d,l-lactide-co-glycolide)/montmorillonite nanoparticles for oral delivery of anticancer drugs.

            Yuancai Dong, Shen Feng (2005)
            This research developed a novel bioadhesive drug delivery system, poly(d,l-lactide-co-glycolide)/montmorillonite (PLGA/MMT) nanoparticles, for oral delivery of paclitaxel. Paclitaxel-loaded PLGA/MMT nanoparticles were prepared by the emulsion/solvent evaporation method. MMT was incorporated in the formulation as a matrix material component, which also plays the role of a co-emulsifier in the nanoparticle preparation process. Paclitaxel-loaded PLGA/MMT nanoparticles were found to be of spherical shape with a mean size of around 310 nm and polydispersity of less than 0.150. Adding MMT component to the matrix material appears to have little influence on the particles size and the drug encapsulation efficiency. The drug release pattern was found biphasic with an initial burst followed by a slow, sustained release, which was not remarkably affected by the MMT component. Cellular uptake of the fluorescent coumarin 6-loaded PLGA/MMT nanoparticles showed that MMT enhanced the cellular uptake efficiency of the pure PLGA nanoparticles by 57-177% for Caco-2 cells and 11-55% for HT-29 cells, which was dependent on the amount of MMT and the particle concentration in incubation. Such a novel formulation is expected to possess extended residence time in the gastrointestinal (GI) tract, which promotes oral delivery of paclitaxel.
            Article 0 comments Cited 75 times – based on 0 reviews     Review now
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              Green synthesis of silver/montmorillonite/chitosan bionanocomposites using the UV irradiation method and evaluation of antibacterial activity

              Kamyar Shameli, Mansor Ahmad, Wan Md Zin Wan Yunus … (2010)
              In this study, silver nanoparticles (Ag-NPs) were synthesized using a green physical synthetic route into the lamellar space of montmorillonite (MMT)/chitosan (Cts) utilizing the ultraviolet (UV) irradiation reduction method in the absence of any reducing agent or heat treatment. Cts, MMT, and AgNO3 were used as the natural polymeric stabilizer, solid support, and silver precursor, respectively. The properties of Ag/MMT/Cts bionanocomposites (BNCs) were studied as the function of UV irradiation times. UV irradiation disintegrated the Ag-NPs into smaller sizes until a relatively stable size and size distribution were achieved. Meanwhile, the crystalline structure and d-spacing of the MMT interlayer, average size and size distribution, surface morphology, elemental signal peaks, functional groups, and surface plasmon resonance of Ag/MMT/Cts BNCs were determined by powder X-ray diffraction, transmission electron microscopy, scanning electron microscopy, energy dispersive X-ray fluorescence, Fourier transform infrared, and UV-visible spectroscopy. The antibacterial activity of Ag-NPs in MMT/Cts was investigated against Gram-positive bacteria, ie, Staphylococcus aureus and methicillin-resistant S. aureus and Gram-negative bacteria (ie, Escherichia coli) by the disk diffusion method on Muller–Hinton Agar at different sizes of Ag-NPs. All of the synthesized Ag/MMT/Cts BNCs were found to have high antibacterial activity. These results show that Ag/MMT/Cts BNCs can be useful in different biologic research and biomedical applications, such as surgical devices and drug delivery vehicles.
              Article 0 comments Cited 49 times – based on 0 reviews     Review now
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                Author and article information

                Journal
                Journal ID (nlm-ta): Iran J Public Health
                Journal ID (iso-abbrev): Iran. J. Public Health
                Journal ID (publisher-id): IJPH
                Journal ID (pmc): IJPH
                Title: Iranian Journal of Public Health
                Publisher: Tehran University of Medical Sciences
                ISSN (Print): 2251-6085
                ISSN (Electronic): 2251-6093
                Publication date (Print): September 2017
                Volume: 46
                Issue: 9
                Pages: 1176-1183
                Affiliations
                [1. ] Dept. of Physiology, School of Medical, Shiraz University of Medical Sciences, Shiraz, Iran
                [2. ] Nanomedicine and Nanobiology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
                Author notes
                [* ] Correspondence: Email: marmoosavi@ 123456sums.ac.ir
                Article
                Publisher ID: ijph-46-1176
                PMC ID: 5632318
                PubMed ID: 29026782
                SO-VID: 01cd9e89-19b5-4e40-8677-347c7fe72861
                Copyright © Copyright© Iranian Public Health Association & Tehran University of Medical Sciences
                License:

                This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                Date received : 27 November 2016
                Date accepted : 18 March 2017
                Categories
                Subject: Review Article

                ScienceOpen disciplines: Public health
                Keywords: bentonite clay,medicine,health,remedy
                Data availability:
                ScienceOpen disciplines: Public health
                Keywords: bentonite clay, medicine, health, remedy

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