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      Increasing the Vase Life of Chrysanthemum Cut Flowers by Using Silver and Zinc Nanoparticles

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          Abstract

          Cut flowers are horticultural products that have great potential to be developed. Efforts to maintain quality and extend the shelf life of cut flowers are very important to obtain a product that is accepted in the market. The main problems of chrysanthemum cut flowers are the leaves easily turning yellow, wilting, and failure to fully open flowers. This study aimed to obtain the best pulsing solution formulation that increases vase life and maintains the freshness of chrysanthemum cut flowers. Pulsing solution treatment was carried out on chrysanthemum cut flowers during the evaluation period. Pulsing solution treatment consisted of control, AgNO 3, nano-Ag (NAg), ZnO, and nano-Zn (NZn). The results showed that NAg20 treatment increased the vase life of chrysanthemum cut flowers up to 23 days, which was 19 days longer than the control. Nano-Ag inhibits bacterial growth, flower wilting, color degradation, and carotenoids. In addition, nano-Ag increased the size of the bloom-flower diameter. Considering the results of all postharvest quality parameters mentioned above, NAg20 extends the vase life of chrysanthemum cut flowers.

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          Antimicrobial activity of the metals and metal oxide nanoparticles.

          Solmaz Dizaj, Farzaneh Lotfipour, Mohammad Barzegar-Jalali … (2014)
          The ever increasing resistance of pathogens towards antibiotics has caused serious health problems in the recent years. It has been shown that by combining modern technologies such as nanotechnology and material science with intrinsic antimicrobial activity of the metals, novel applications for these substances could be identified. According to the reports, metal and metal oxide nanoparticles represent a group of materials which were investigated in respect to their antimicrobial effects. In the present review, we focused on the recent research works concerning antimicrobial activity of metal and metal oxide nanoparticles together with their mechanism of action. Reviewed literature indicated that the particle size was the essential parameter which determined the antimicrobial effectiveness of the metal nanoparticles. Combination therapy with the metal nanoparticles might be one of the possible strategies to overcome the current bacterial resistance to the antibacterial agents. However, further studies should be performed to minimize the toxicity of metal and metal oxide nanoparticles to apply as proper alternatives for antibiotics and disinfectants especially in biomedical applications.
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            Green synthesis of silver nanoparticles using Azadirachta indica aqueous leaf extract

            Saifullah, Shakeel Ahmed, Mudasir Ahmad … (2016)
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              Silver nanoparticles and polymeric medical devices: a new approach to prevention of infection?

              Roger Bayston, P Winship, Polly Arnold … (2004)
              Implantable devices are major risk factors for hospital-acquired infection. Biomaterials coated with silver oxide or silver alloy have all been used in attempts to reduce infection, in most cases with controversial or disappointing clinical results. We have developed a completely new approach using supercritical carbon dioxide to impregnate silicone with nanoparticulate silver metal. This study aimed to evaluate the impregnated polymer for antimicrobial activity. After impregnation the nature of the impregnation was determined by transmission electron microscopy. Two series of polymer discs were then tested, one washed in deionized water and the other unwashed. In each series, half of the discs were coated with a plasma protein conditioning film. The serial plate transfer test was used as a screen for persisting activity. Bacterial adherence to the polymers and the rate of kill, and effect on planktonic bacteria were measured by chemiluminescence and viable counts. Release rates of silver ions from the polymers in the presence and absence of plasma was measured using inductively coupled plasma mass spectrometry (ICP-MS). Tests for antimicrobial activity under various conditions showed mixed results, explained by the modes and rates of release of silver ions. While washing removed much of the initial activity there was continued release of silver ions. Unexpectedly, this was not blocked by conditioning film. The methodology allows for the first time silver impregnation (as opposed to coating) of medical polymers and promises to lead to an antimicrobial biomaterial whose activity is not restricted by increasing antibiotic resistance.
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                Author and article information

                Contributors
                Abdullah Bin Arif:
                ORCID: https://orcid.org/0000-0002-3552-2875
                Journal
                Journal ID (nlm-ta): ScientificWorldJournal
                Journal ID (iso-abbrev): ScientificWorldJournal
                Journal ID (publisher-id): tswj
                Title: The Scientific World Journal
                Publisher: Hindawi
                ISSN (Print): 2356-6140
                ISSN (Electronic): 1537-744X
                Publication date Collection: 2023
                Publication date (Electronic): 30 November 2023
                Volume: 2023
                Electronic Location Identifier: 8871491
                Affiliations
                1Research Center for Agroindustry, National Research and Innovation Agency, Central Jakarta, Indonesia
                2Research Center for Food and Processing Technology, National Research and Innovation Agency, Central Jakarta, Indonesia
                3Indonesian Vegetable Research Institute, Ministry of Agriculture, South Jakarta, Indonesia
                4Research Center for Horticulture and Plantation, National Research and Innovation Agency, Central Jakarta, Indonesia
                Author notes

                Academic Editor: Hany Abdo

                Author information
                https://orcid.org/0000-0002-3552-2875
                Article
                DOI: 10.1155/2023/8871491
                PMC ID: 10703534
                PubMed ID: 38077796
                SO-VID: 6ef25192-5100-4a61-8740-e0c6655a3427
                Copyright © Copyright © 2023 Sulusi Prabawati et al.
                License:

                This is an open access article distributed under 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 : 17 August 2023
                Date revision received : 24 October 2023
                Date accepted : 20 November 2023
                Categories
                Subject: Research Article

                ScienceOpen disciplines: Uncategorized
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                ScienceOpen disciplines: Uncategorized

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