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  1. Book ; Online: Fourier Transforms

    Nikolic, Goran

    New Analytical Approaches and FTIR Strategies

    2011  

    Keywords Probability & statistics
    Language English
    Size 1 electronic resource (540 pages)
    Publisher IntechOpen
    Document type Book ; Online
    Note English
    HBZ-ID HT030645323
    ISBN 9789535145080 ; 9535145088
    Database ZB MED Catalogue: Medicine, Health, Nutrition, Environment, Agriculture

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  2. Book ; Online: Fourier Transforms

    Nikolic, Goran S / Cakic, Milorad D / Cvetkovic, Dragan J

    High-tech Application and Current Trends

    2017  

    Keywords Signal processing ; ftir spectroscopy, nanoparticles, conservation, fpga, collagen, cultural heritage
    Language English
    Size 1 electronic resource (262 pages)
    Publisher IntechOpen
    Document type Book ; Online
    Note English
    HBZ-ID HT030646012
    ISBN 9789535141143 ; 9535141147
    Database ZB MED Catalogue: Medicine, Health, Nutrition, Environment, Agriculture

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  3. Article ; Online: Is there a structural improvement in the merchandise exports of the Balkan countries in the period 2000-2012?

    Nikolić Goran

    Economic Annals, Vol 58, Iss 196, Pp 99-

    2013  Volume 132

    Abstract: The value of indicators of the similarity of Balkan countries’ export and import structures to those of developed countries grew only mildly, which indicates that the unfavourable structure of exports has been retained. While similarity coefficients ... ...

    Abstract The value of indicators of the similarity of Balkan countries’ export and import structures to those of developed countries grew only mildly, which indicates that the unfavourable structure of exports has been retained. While similarity coefficients increased in the period until and including 2012, they failed to reach a critical turning point as in advanced European countries in transition. In practically all Balkan economies, since 2000 the technological intensity and the factor intensity of foreign trade have changed toward an increased share of highly-processed products, but the share of skill-intensive manufactures remained almost two times smaller than in developed economies. An aggravating factor was the continual strong double-digit growth of exports in most Balkan countries, which ‘ forced’ exports based on the existing inappropriate structure and prevented a change in export structure. Balkan countries would have to attract FDI in export sectors that are capital- or skilled labour- intensive. A targeted industrial policy and sector- and firm-level strategies are necessary to give momentum to a shift towards technology-intensive activities, associated with higher spillover effects. It is realistic to expect that the evolution of the economic system through restructuring would additionally improve the still unfavourable structural characteristics of Balkan countries’ exports.
    Keywords Balkan countries ; similarity coefficients ; skill-intensive manufactures ; exports ; imports ; structure ; 2000-2012 ; EU ; U.S. ; Economic theory. Demography ; HB1-3840 ; Social Sciences ; H ; DOAJ:Economics ; DOAJ:Business and Economics
    Subject code 381
    Language English
    Publishing date 2013-01-01T00:00:00Z
    Publisher Faculty of Economics, Belgrade
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  4. Book: Razbijanje ekonomskih mitova

    Nikolić, Goran

    2017  

    Author's details Goran Nikolić
    Language Serbian
    Document type Book
    ISBN 9788652302192 ; 8652302197
    Database ECONomics Information System

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  5. Article ; Online: Convergence of the export structure of Romania, Croatia, Serbia and Bosnia-Herzegovina to the structure of import demand in developed countries

    Nikolić Goran

    Panoeconomicus, Vol 58, Iss 3, Pp 393-

    2011  Volume 406

    Abstract: The similarity coefficients of the export structures of Romania, Croatia, Serbia and Bosnia-Herzegovina and the import structure of the EU and the U.S. have increased since 2000, but to date, they have not reached a critical turning point. This indicates ...

    Abstract The similarity coefficients of the export structures of Romania, Croatia, Serbia and Bosnia-Herzegovina and the import structure of the EU and the U.S. have increased since 2000, but to date, they have not reached a critical turning point. This indicates that the qualities of exports from the observed transitional economies have not rapidly improved, and the export structure remains relatively unfavourable, particularly when compared to advanced transitional countries. The most important factors in the success of advanced transitional economies were: the inflow of foreign direct investment, imports of modern technology (and later, their own development), innovation, development of small and medium sized enterprises, foreign competition, the development of a market economy and macroeconomic stability. The export structures of Romania, Croatia, Serbia and Bosnia correlate with improvement in the process of transition in the observed countries. In 2009 Bosnia had the absolute lowest level of similarity coefficient among the studied countries, followed by Serbia, Romania and Croatia, which corresponds to the overall economic performance and foreign trade of the observed economies.
    Keywords similarity coefficients ; export ; import ; transitional countries ; convergence ; EU ; U.S. ; Economic theory. Demography ; HB1-3840 ; Social Sciences ; H ; DOAJ:Economics ; DOAJ:Business and Economics
    Subject code 338
    Language English
    Publishing date 2011-01-01T00:00:00Z
    Publisher Economists' Association of Vojvodina
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  6. Article ; Online: Examination of the influence of inorganic salts on the extraction of salicylic acid from aqueous solutions

    Pešić Kristina / Momčilović Jovana / Živković Jelena / Nikolić Goran

    Medicinski Podmladak, Vol 71, Iss 1, Pp 39-

    2020  Volume 43

    Abstract: Introduction: Salicylic acid is a lipophilic compound with keratolytic and antiseptic effects. It is used only locally. The acid's fungicidal effect is notable in dermatology. Salicylic acid promotes desquamation of an infected area and represents an ... ...

    Abstract Introduction: Salicylic acid is a lipophilic compound with keratolytic and antiseptic effects. It is used only locally. The acid's fungicidal effect is notable in dermatology. Salicylic acid promotes desquamation of an infected area and represents an important ingredient of Whitfield's cream. Liquid-liquid extraction is often used during the sample preparation for the analyses of this type of compounds in various samples. Aim: The aim of this work was to investigate the effect of inorganic salts on the extraction of salicylic acid from aqueous solutions with diethyl ether. Material and methods: Extraction of salicylic acid from NaCl, KCl, and (NH4)2SO4 aqueous solutions of various concentrations was studied by using diethyl ether as an organic solvent. Absorbances of aqueous solutions were measured before and after extraction at the wavelength of the absorption maximum of the investigated compound. Results: The absorbance values of the aqueous phase prior to (A0) and after extraction (A) were used to calculate distribution coefficients (D) for the extraction of salicylic acid in the presence of different salts. Salting-out constants (Ks) for individual salts were determined based on the distribution constant dependence on salt concentration. Conclusion: It has been shown that all examined salts enhance the extraction of salicylic acid and the order of values for salting-out constants is: Ks((NH4)2SO4) > Ks(NaCl) > Ks(KCl). The results of this study may be important for improving the sensitivity of analytical methods for the salicylic acid determination in which extraction is used for sample preparation, as well as for the characterization of salicylic acid. Also, our work presents a contribution to the study of the salting-out effect which is significant for the characterization of pharmacologically active substances.
    Keywords salicylic acid ; extraction ; diethyl ether ; salting-out ; Medicine ; R
    Subject code 540
    Language English
    Publishing date 2020-01-01T00:00:00Z
    Publisher University of Belgrade, Medical Faculty
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  7. Article ; Online: Is ethnic and cultural-religious heterogeneity a barrier to economic development

    Nikolić Goran

    Medjunarodni Problemi, Vol 62, Iss 2, Pp 329-

    2010  Volume 347

    Abstract: The author analyzes the influence of heterogeneity of religious-ethnic structure on economic growth. Most studies show that extraordinary national-religious diversification has a negative impact on economic performance of countries. However, the ... ...

    Abstract The author analyzes the influence of heterogeneity of religious-ethnic structure on economic growth. Most studies show that extraordinary national-religious diversification has a negative impact on economic performance of countries. However, the institutional arrangements that involve a significant degree of decentralization may be a factor of relaxation of ethnic and religious, i.e. political animosity. Positive economic experiences of some institutional and ethnically complex countries show that the single economic policy is possible and that strong the national heterogeneity is not necessarily a negative factor for economic development if there are viable democratic institutions.
    Keywords heterogeneity ; nation ; religion ; structure ; economic growth ; International relations ; JZ2-6530 ; Political science ; J ; DOAJ:Political Science ; DOAJ:Law and Political Science
    Language Serbian
    Publishing date 2010-01-01T00:00:00Z
    Publisher Institute of International Politics and Economics
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  8. Article ; Online: Development of Novel Therapeutics for Schizophrenia Treatment Based on a Selective Positive Allosteric Modulation of α1-Containing GABAARs-In Silico Approach.

    Đorđević, Vladimir / Petković, Milan / Živković, Jelena / Nikolić, Goran M / Veselinović, Aleksandar M

    Current issues in molecular biology

    2022  Volume 44, Issue 8, Page(s) 3398–3412

    Abstract: For the development of atypical antipsychotics, the selective positive allosteric modulation of the ionotropic GABAA receptor (GABAAR) has emerged as a promising approach. In the presented research, two unrelated methods were used for the development of ... ...

    Abstract For the development of atypical antipsychotics, the selective positive allosteric modulation of the ionotropic GABAA receptor (GABAAR) has emerged as a promising approach. In the presented research, two unrelated methods were used for the development of QSAR models for selective positive allosteric modulation of 1-containing GABAARs with derivatives of imidazo [1,2-a]-pyridine. The development of conformation-independent QSAR models, based on descriptors derived from local molecular graph invariants and SMILES notation, was achieved with the Monte Carlo optimization method. From the vast pool of 0D, 1D, and 2D molecule descriptors, the GA-MLR method developed additional QSAR models. Various statistical methods were utilised for the determination of the developed models' robustness, predictability, and overall quality, and according to the obtained results, all QSAR models are considered good. The molecular fragments that have a positive or negative impact on the studied activity were obtained from the studied molecules' SMILES notations, and according to the obtained results, nine novel compounds were designed. The binding affinities to GABAAR of designed compounds were assessed with the application of molecular docking studies and the obtained results showed a high correlation with results obtained from QSAR modeling. To assess all designed molecules' "drug-likeness", their physicochemical descriptors were computed and utilised for the prediction of medicinal chemistry friendliness, pharmacokinetic properties, ADME parameters, and druglike nature.
    Language English
    Publishing date 2022-07-29
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2000024-8
    ISSN 1467-3045 ; 1467-3037
    ISSN (online) 1467-3045
    ISSN 1467-3037
    DOI 10.3390/cimb44080234
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 5122: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (2.OG)
    ab Jg. 2022: Lesesaal (EG)

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  9. Article: Is there a structural improvement in the merchandise exports of the Balkan countries in the period 2000 - 2012?

    Nikolić, Goran

    Economic annals Bd. LVIII.2013, 196 (Jan./Mrz), S. 99-132

    2013  

    Author's details Goran Nikolić
    Keywords Außenhandelsstruktur ; Export ; Hochtechnologie ; Südosteuropa ; Türkei
    Language English
    Size graph. Darst.
    Publishing place Beograd
    Document type Article
    ZDB-ID 864282-5
    ISSN 0013-3264
    Database ECONomics Information System

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  10. Article: Phthalates leaching from plastic food and pharmaceutical contact materials by FTIR and GC-MS

    Andjelković, Tatjana / Bogdanović, Danica / Kostić, Ivana / Kocić, Gordana / Nikolić, Goran / Pavlović, Radmila

    Environmental science and pollution research. 2021 June, v. 28, no. 24

    2021  

    Abstract: Phthalates are often used as plasticizers in the production of plastic food contact materials (FCMs) and pharmaceutical contact materials (PCMs), and having in mind that they are not bound to plastics, phthalates may easily leach from plastics under ... ...

    Abstract Phthalates are often used as plasticizers in the production of plastic food contact materials (FCMs) and pharmaceutical contact materials (PCMs), and having in mind that they are not bound to plastics, phthalates may easily leach from plastics under certain conditions. The aim of this research is determination of phthalates leaching potential from different plastic materials and quantitative determination of 5 phthalates (dimethyl phthalate (DMP), di-n-butyl phthalate (DnBP), benzyl butyl phthalate (BBP), diethyl hexyl phthalate (DEHP), and di-n-octyl phthalate (DOP)) in 44 different plastic articles of 7 different plastic polymers used as FCMs and PCMs by FTIR, GC-MS, and gravimetric methods. The FTIR technique is shown to be rapid method for determination of phthalate content in PVC articles. Comparing of FTIR method with GC-MS and gravimetric showed that separation and quantitative determination of each phthalate separately favor the GC-MS method, because FTIR method determines the total amount of phthalate content. However, the FTIR method is less expensive and demanding in terms of sample preparation, which is suited for use in pre-screening analysis. The results of GC-MS phthalates determination showed that PVC articles used as PCMs contain DEHP in significant amount, from 5.19 to 28.76% by weight and could be a potential risk to human health.
    Keywords dibutyl phthalate ; dimethyl phthalate ; human health ; pollution ; quantitative analysis ; rapid methods ; research ; risk
    Language English
    Dates of publication 2021-06
    Size p. 31380-31390.
    Publishing place Springer Berlin Heidelberg
    Document type Article
    ZDB-ID 1178791-0
    ISSN 1614-7499 ; 0944-1344
    ISSN (online) 1614-7499
    ISSN 0944-1344
    DOI 10.1007/s11356-021-12724-0
    Database NAL-Catalogue (AGRICOLA)

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    In stock of ZB MED Bonn / Germany

    Z 5915: Show issues

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