Now showing 1 - 10 of 37
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    Item type:Publication,
    Concentration of heavy metals in spring waters of Kochani and their impact on human health
    (Macedonian Pharmaceutical Association, 2022)
    Serafimova Mijalova, Emilija
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    Tortevska Danilov, Elena
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    Pendevski, Vasil
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    Zhivikj, Zoran
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    <jats:p>The concentration of lead (Pb), cadmium (Cd), aluminium (Al), manganese (Mn), and iron (Fe) in spring waters in the vicinity of Kochani was investigated to ascertain the health risk exposure. Heavy metal water contamination is possible mostly due to wrongful human activities either industrially or residentially and exposure to toxic doses of heavy metals can cause acute and chronic diseases. To examine heavy metal contamination of spring waters as well as possible seasonal variations, water samples in two seasons, autumn 2021 and spring 2022 were collected. For this aim, ten locations within the area of Kochani were selected. The spring water samples were collected directly from the source or from the catchment that was made. The samples were collected in appropriate bottles, previously washed with detergent and rinsed with distilled water. The examination of heavy metals was carried out immediately after sampling using UV spectrophotometric method, with an absorption spectrum of 190-1100 nm. The results have revealed no major deviations from the maximum concentrations allowed for Pb, Cd, Al, Mn, and Fe defined within the Official Guidelines in the Republic of North Macedonia, except moderately increased levels of lead in two samples during autumn season and manganese in four samples in the spring season 2022. Key words: heavy metal levels, spring water, UV spectrophotometry, human health</jats:p>
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    Item type:Publication,
    Consumer perception of risk-benefit of weight loss supplements and building safety
    (Macedonian Pharmaceutical Association, 2020-10-29)
    Zhivikj, Zoran
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    Lonchar Velkova, Marijana
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    Item type:Publication,
    Toxicity screening of weight loss tea products by Brine Shrimp Lethality Assay
    (Macedonian Pharmaceutical Association, 2023-09)
    Bajatovska, Ana Marija
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    Zhivikj, Zoran
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    Shutevska, Kristina
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    Item type:Publication,
    The importance of AKR1D1 enzyme in drug metabolism
    (Macedonian Pharmaceutical Association, 2022-12-31)
    Shutevska, Kristina
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    Zhivikj, Zoran
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    Dimkovski, Aleksandar
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    Item type:Publication,
    Mineral enrichment of milk – nutritional benefits and future perspectives
    (Macedonian Pharmaceutical Association, 2020-10-29)
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    Zhivikj, Zoran
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    Item type:Publication,
    Dietetic approach in patients with irritable bowel syndrome – a case report
    (Macedonian Pharmaceutical Association, 2020-10-29)
    Andreska, Menka
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    Janeku, Bojana
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    Boshkoska, Dafina
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    Karabeleski, Elena
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    Atanasovikj, Suzana
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    Item type:Publication,
    Analysis of total aflatoxins in commercially available cereal products in the Republic of North Macedonia
    (Macedonian Pharmaceutical Association, 2023-01)
    Dimovska, Elena
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    Zhivikj, Zoran
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    Gavazova, Elizabeta
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    <jats:p>Aflatoxins, as naturally occurring toxins, can accumulate in maturing crops or in grain during transportation and represent serious threat for contamination of cereal processed products. Consumption of aflatoxin contaminated foodstuffs can cause acute or chronic toxicity in humans. With an aim to protect public health, maximum residue levels (MRLs) for these toxins are defined by the regulation authorities. To control the compliance of aflatoxin residues in cereal-based products to legislation, a convenient analytical technique that will provide rapid, specific, accurate and costly effective analysis such as ELISA method is required. In this study, concentration of total aflatoxins in twelve cereal processed products supplied under random selection from several retail outlets in Republic of North Macedonia was determined using commercially available RIDASCREEN Aflatoxin total kit. Analyses have shown that none of the examined samples contained aflatoxins above the MRLs (4 μg/kg). According to the obtained results, the ELISA method can be used for routine detection and quantification of total aflatoxins in cereal products due to simplicity, specificity and sensitivity. In addition, this study may initiate the use of immunochemical methods for analysis of potential aflatoxin contamination in order to establish data collection for the presence of these concerning toxins in cereal-based products available on the national market. Keywords: aflatoxins, ELISA, immunochemical, cereals</jats:p>
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    Evaluation of weight loss supplements toxicity in rifampicin pretreated HepG2 cells
    (Macedonian Pharmaceutical Association, 2023-09)
    Zhivikj, Zoran
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    Shutevska, Kristina
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    Bajatovska, Ana Marija
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    Item type:Publication,
    Nutritional management of chronic kidney disease – a case report
    (Macedonian Pharmaceutical Association, 2020-10-29)
    Boshkoska, Dafina
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    Janeku, Bojana
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    Karabeleski, Elena
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    Andreska, Menka
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    Atanasovikj, Suzana
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    Item type:Publication,
    Synbiotic loaded chitosan-Ca-alginate microparticles reduces inflammation in the TNBS model of rat colitis
    (2017)
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    Kristina Mladenovska
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    Zoran Zhivikj
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    Ivica Gjurovski