TY  - CONF
AU  - Popović, Kosana
AU  - Antonijević-Nikolić, Mirjana
AU  - Đuričić-Milanković, Jelena
AU  - Ranković, Dragan
AU  - Milutinović, Bojana
AU  - Dražić, Branka
AU  - Tanasković, Slađana
PY  - 2023
UR  - https://farfar.pharmacy.bg.ac.rs/handle/123456789/5412
AB  - The stinging nettle (Urtica dioica L.) belongs to the Urticaceae family and represents a perennial plant. Stinging nettle is abundant species occurring in various types of forest, road verges and grassland sites. In many countries is used as both medicine and food. Stinging nettle is a weed and its seeds, leaves and even roots are used for medicinal purpose. Thanks to its high content of nutrients and bioactive compounds like poly phenols, vitamins and minerals, nettle possesses a great nutritional value and a large number of pharmacological effects, including anti-proliferative, anti-inflammatory, antioxidant, analgesic, immunostimulatory, anti-infectious, hypotensive, antiulcer activities and cardiovascular disease prevention. It is a reservoir of minerals (especially iron), vitamin C and pro-vitamin A.
Last decades the popularity of herbal medicine is rapidly increasing all over the world. However, heavy metal toxicity in plant materials has a great impact and importance on herbal plants and consequently affects the quality of herbal raw materials, herbal extracts, the safety and marketability of drugs. This paper presents determination of content seven heavy metals (Cu, Fe, Mn, Ni, Zn, Cd and Pb) in leaves samples Urtica dioica L. collected from five localities in Republic of Serbia. The sample preparation procedure involved dry digestion in triplicate and dissolution of the ash in 6M HCl and then in 0.1 M HNO3. All elements were analyzed using an inductively coupled plasma-optical emission spectrometry (ICP-OES). The contents of Ni, Cu, Zn, Mn and Fe in the leaves were found to be in the ranges of 0.54±0.00 to 1.87±0.10 ˂ 2.12±0.69-12.79±0.53 ˂ 18.18±0.46-28.48±1.37 ˂ 30.63±1.45-68.44±5.11, and 109.75±4.01-244.41±13.50 mg/kg dry weight, respectively. Value of toxic heavy metal Pb in two samples is 0.37±0.0 mg/kg dry weight, whiles content Cd has been below the detection limit. The content of heavy metals in samples were used to calculate target hazard quotients values (THQ) and hazard index (HI).
PB  - University of East Sarajevo,  Faculty of technology
C3  - VIII International Congress “Engineering, Environment and Materials in Process Industry“, Book of abstracts, Jahorina, mart 20-23, 2023 Republika srpska, Bosna i Hercegovina
T1  - Determination of heavy metal contents in stinging nettle from different localities in Serbia
SP  - 419
EP  - 425
UR  - https://hdl.handle.net/21.15107/rcub_farfar_5412
ER  - 

@conference{
author = "Popović, Kosana and Antonijević-Nikolić, Mirjana and Đuričić-Milanković, Jelena and Ranković, Dragan and Milutinović, Bojana and Dražić, Branka and Tanasković, Slađana",
year = "2023",
abstract = "The stinging nettle (Urtica dioica L.) belongs to the Urticaceae family and represents a perennial plant. Stinging nettle is abundant species occurring in various types of forest, road verges and grassland sites. In many countries is used as both medicine and food. Stinging nettle is a weed and its seeds, leaves and even roots are used for medicinal purpose. Thanks to its high content of nutrients and bioactive compounds like poly phenols, vitamins and minerals, nettle possesses a great nutritional value and a large number of pharmacological effects, including anti-proliferative, anti-inflammatory, antioxidant, analgesic, immunostimulatory, anti-infectious, hypotensive, antiulcer activities and cardiovascular disease prevention. It is a reservoir of minerals (especially iron), vitamin C and pro-vitamin A.
Last decades the popularity of herbal medicine is rapidly increasing all over the world. However, heavy metal toxicity in plant materials has a great impact and importance on herbal plants and consequently affects the quality of herbal raw materials, herbal extracts, the safety and marketability of drugs. This paper presents determination of content seven heavy metals (Cu, Fe, Mn, Ni, Zn, Cd and Pb) in leaves samples Urtica dioica L. collected from five localities in Republic of Serbia. The sample preparation procedure involved dry digestion in triplicate and dissolution of the ash in 6M HCl and then in 0.1 M HNO3. All elements were analyzed using an inductively coupled plasma-optical emission spectrometry (ICP-OES). The contents of Ni, Cu, Zn, Mn and Fe in the leaves were found to be in the ranges of 0.54±0.00 to 1.87±0.10 ˂ 2.12±0.69-12.79±0.53 ˂ 18.18±0.46-28.48±1.37 ˂ 30.63±1.45-68.44±5.11, and 109.75±4.01-244.41±13.50 mg/kg dry weight, respectively. Value of toxic heavy metal Pb in two samples is 0.37±0.0 mg/kg dry weight, whiles content Cd has been below the detection limit. The content of heavy metals in samples were used to calculate target hazard quotients values (THQ) and hazard index (HI).",
publisher = "University of East Sarajevo,  Faculty of technology",
journal = "VIII International Congress “Engineering, Environment and Materials in Process Industry“, Book of abstracts, Jahorina, mart 20-23, 2023 Republika srpska, Bosna i Hercegovina",
title = "Determination of heavy metal contents in stinging nettle from different localities in Serbia",
pages = "419-425",
url = "https://hdl.handle.net/21.15107/rcub_farfar_5412"
}

Popović, K., Antonijević-Nikolić, M., Đuričić-Milanković, J., Ranković, D., Milutinović, B., Dražić, B.,& Tanasković, S.. (2023). Determination of heavy metal contents in stinging nettle from different localities in Serbia. in VIII International Congress “Engineering, Environment and Materials in Process Industry“, Book of abstracts, Jahorina, mart 20-23, 2023 Republika srpska, Bosna i Hercegovina
University of East Sarajevo,  Faculty of technology., 419-425.
https://hdl.handle.net/21.15107/rcub_farfar_5412

Popović K, Antonijević-Nikolić M, Đuričić-Milanković J, Ranković D, Milutinović B, Dražić B, Tanasković S. Determination of heavy metal contents in stinging nettle from different localities in Serbia. in VIII International Congress “Engineering, Environment and Materials in Process Industry“, Book of abstracts, Jahorina, mart 20-23, 2023 Republika srpska, Bosna i Hercegovina. 2023;:419-425.
https://hdl.handle.net/21.15107/rcub_farfar_5412 .

Popović, Kosana, Antonijević-Nikolić, Mirjana, Đuričić-Milanković, Jelena, Ranković, Dragan, Milutinović, Bojana, Dražić, Branka, Tanasković, Slađana, "Determination of heavy metal contents in stinging nettle from different localities in Serbia" in VIII International Congress “Engineering, Environment and Materials in Process Industry“, Book of abstracts, Jahorina, mart 20-23, 2023 Republika srpska, Bosna i Hercegovina (2023):419-425,
https://hdl.handle.net/21.15107/rcub_farfar_5412 .

TY  - CONF
AU  - Dražić, Branka
AU  - Antonijević-Nikolić, Mirjana
AU  - Martinović-Cincović, Milena
AU  - Tanasković, Slađana
PY  - 2022
UR  - https://farfar.pharmacy.bg.ac.rs/handle/123456789/5334
AB  - The aim of this study was to investigate thermal behavior of the new complex with formula
[Cu(ala)cyc](ClO4)2∙2.5H2O. The complex was isolated and previously characterized by: elemental
analysis (C, H, N), molar conductivity, UV/Vis and FTIR spectroscopy and magnetic measurements
at room temperature. The sixcoordinate octahedral geometry around Cu(II) complexes was
proposed. The experimental data suggested that the tetradentate ligand cyclam was coordinated to
metals through four N donors and the amino carboxylate ligand coordinated via carboxylate ion.
Investigate of thermal stability can be crucial in confirming the structure as well as in assessing the
applicability of new compounds. The thermal properties of these complex have been investigated
by thermogravimetric (TG) and differential thermal analysis (DTA). Therefore, TG-DTA analysis
indicates that investigated complex decomposes exothermally in a single step in the range of 310 -
PB  - University in Banjaluka, Faculty of Technology
C3  - XIV Conference of
Chemists, Technologists and Environmentalists of Republic of Srpska, October 21-22, 2022, Banja Luka, Book of abstracts
T1  - Thermal stability of new copper(II) cyclam complex with aminocarboxylate co-ligand
SP  - 25
EP  - 25
UR  - https://hdl.handle.net/21.15107/rcub_farfar_5334
ER  - 

@conference{
author = "Dražić, Branka and Antonijević-Nikolić, Mirjana and Martinović-Cincović, Milena and Tanasković, Slađana",
year = "2022",
abstract = "The aim of this study was to investigate thermal behavior of the new complex with formula
[Cu(ala)cyc](ClO4)2∙2.5H2O. The complex was isolated and previously characterized by: elemental
analysis (C, H, N), molar conductivity, UV/Vis and FTIR spectroscopy and magnetic measurements
at room temperature. The sixcoordinate octahedral geometry around Cu(II) complexes was
proposed. The experimental data suggested that the tetradentate ligand cyclam was coordinated to
metals through four N donors and the amino carboxylate ligand coordinated via carboxylate ion.
Investigate of thermal stability can be crucial in confirming the structure as well as in assessing the
applicability of new compounds. The thermal properties of these complex have been investigated
by thermogravimetric (TG) and differential thermal analysis (DTA). Therefore, TG-DTA analysis
indicates that investigated complex decomposes exothermally in a single step in the range of 310 -",
publisher = "University in Banjaluka, Faculty of Technology",
journal = "XIV Conference of
Chemists, Technologists and Environmentalists of Republic of Srpska, October 21-22, 2022, Banja Luka, Book of abstracts",
title = "Thermal stability of new copper(II) cyclam complex with aminocarboxylate co-ligand",
pages = "25-25",
url = "https://hdl.handle.net/21.15107/rcub_farfar_5334"
}

Dražić, B., Antonijević-Nikolić, M., Martinović-Cincović, M.,& Tanasković, S.. (2022). Thermal stability of new copper(II) cyclam complex with aminocarboxylate co-ligand. in XIV Conference of
Chemists, Technologists and Environmentalists of Republic of Srpska, October 21-22, 2022, Banja Luka, Book of abstracts
University in Banjaluka, Faculty of Technology., 25-25.
https://hdl.handle.net/21.15107/rcub_farfar_5334

Dražić B, Antonijević-Nikolić M, Martinović-Cincović M, Tanasković S. Thermal stability of new copper(II) cyclam complex with aminocarboxylate co-ligand. in XIV Conference of
Chemists, Technologists and Environmentalists of Republic of Srpska, October 21-22, 2022, Banja Luka, Book of abstracts. 2022;:25-25.
https://hdl.handle.net/21.15107/rcub_farfar_5334 .

Dražić, Branka, Antonijević-Nikolić, Mirjana, Martinović-Cincović, Milena, Tanasković, Slađana, "Thermal stability of new copper(II) cyclam complex with aminocarboxylate co-ligand" in XIV Conference of
Chemists, Technologists and Environmentalists of Republic of Srpska, October 21-22, 2022, Banja Luka, Book of abstracts (2022):25-25,
https://hdl.handle.net/21.15107/rcub_farfar_5334 .

TY  - CONF
AU  - Antonijević Nikolić, Mirjana
AU  - Dražić, Branka
AU  - Tanasković, Slađana
PY  - 2022
UR  - https://farfar.pharmacy.bg.ac.rs/handle/123456789/4374
AB  - Two new bridged dinuclear Cu(II) compounds of tpmc (N,N',N'',N'''-tetrakis(2-pyridylmethyl)-
1,4,8,11-tetraazacyclotetradecane) and co-ligands L-leucine or L-isoleucine have been synthesized
and characterized. The complexes were prepared in the reaction [Cutpmc](ClO4)4∙6H2O and
aminocarboxylates. The complexes were characterized by elemental analysis (C, H, and N), molar
electrical conductivity and spectral methods (UV/vis and FTIR). The analytical data of the complexes
show the formation of binuclear complexes with the proposed formula [Cu2(L)tpmc](ClO4)4, L=L-
leucine (1) and L=L-isoleucine (2). The spectroscopic data suggested that the tpmc is coordinated to
Cu(II) through eight N donors and amino carboxylate ligands via their carboxylate ion moieties.
PB  - Society of Physical Chemists of Serbia
C3  - PHYSICAL CHEMISTRY 2022, 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry (Proceedings)
T1  - New macrocyclic Cu(II) complexes with leucine/isoleucine co-ligands
VL  - II
SP  - 519
EP  - 522
UR  - https://hdl.handle.net/21.15107/rcub_farfar_4374
ER  - 

@conference{
author = "Antonijević Nikolić, Mirjana and Dražić, Branka and Tanasković, Slađana",
year = "2022",
abstract = "Two new bridged dinuclear Cu(II) compounds of tpmc (N,N',N'',N'''-tetrakis(2-pyridylmethyl)-
1,4,8,11-tetraazacyclotetradecane) and co-ligands L-leucine or L-isoleucine have been synthesized
and characterized. The complexes were prepared in the reaction [Cutpmc](ClO4)4∙6H2O and
aminocarboxylates. The complexes were characterized by elemental analysis (C, H, and N), molar
electrical conductivity and spectral methods (UV/vis and FTIR). The analytical data of the complexes
show the formation of binuclear complexes with the proposed formula [Cu2(L)tpmc](ClO4)4, L=L-
leucine (1) and L=L-isoleucine (2). The spectroscopic data suggested that the tpmc is coordinated to
Cu(II) through eight N donors and amino carboxylate ligands via their carboxylate ion moieties.",
publisher = "Society of Physical Chemists of Serbia",
journal = "PHYSICAL CHEMISTRY 2022, 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry (Proceedings)",
title = "New macrocyclic Cu(II) complexes with leucine/isoleucine co-ligands",
volume = "II",
pages = "519-522",
url = "https://hdl.handle.net/21.15107/rcub_farfar_4374"
}

Antonijević Nikolić, M., Dražić, B.,& Tanasković, S.. (2022). New macrocyclic Cu(II) complexes with leucine/isoleucine co-ligands. in PHYSICAL CHEMISTRY 2022, 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry (Proceedings)
Society of Physical Chemists of Serbia., II, 519-522.
https://hdl.handle.net/21.15107/rcub_farfar_4374

Antonijević Nikolić M, Dražić B, Tanasković S. New macrocyclic Cu(II) complexes with leucine/isoleucine co-ligands. in PHYSICAL CHEMISTRY 2022, 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry (Proceedings). 2022;II:519-522.
https://hdl.handle.net/21.15107/rcub_farfar_4374 .

Antonijević Nikolić, Mirjana, Dražić, Branka, Tanasković, Slađana, "New macrocyclic Cu(II) complexes with leucine/isoleucine co-ligands" in PHYSICAL CHEMISTRY 2022, 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry (Proceedings), II (2022):519-522,
https://hdl.handle.net/21.15107/rcub_farfar_4374 .

TY  - CONF
AU  - Popović, Kosana
AU  - Antonijević Nikolić, Mirjana
AU  - Dražić, Branka
AU  - Tanasković, Slađana
PY  - 2022
UR  - https://farfar.pharmacy.bg.ac.rs/handle/123456789/4373
AB  - The chemical components in tea have received great interest because they are related to health. In this
study the content of five heavy metals including Cu, Fe, Mn, Zn and Ni were determined by atomic
absorption spectrometry on samples of herbal teas: Quercus cortex, Gentianae radix, Althaeae radix,
Uvae ursi folium and Glycyrrhizae radix collected from Šabac's market, Serbia. Based on the obtained
content of the metals in the analyzed herbal teas, estimated daily intake (EDI) was determined. Both
target hazard quotient (THQ) and hazard index (HI) were employed to assess the potential health risk
of studied metals in teas. The herbal tea samples analysed contain essential heavy metals (Cu, Fe,
Mn, Zn) and probably essential in trace (Ni) and could contribute to the daily dietary requirements.
The THQ from 7.76·10−4 to 5.75·10-1 and HI from 0.1059 to 0.6151 values for tea samples were lower
than 1, suggesting that consumption of tea would not cause significant health risks for consumers.
PB  - Society of Physical Chemists of Serbia
C3  - PHYSICAL CHEMISTRY 2022, 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry (Proceedings)
T1  - The potential health risk of heavy metals in herbal tea commercially available in Šabac, Serbia
VL  - II
SP  - 489
EP  - 492
UR  - https://hdl.handle.net/21.15107/rcub_farfar_4373
ER  - 

@conference{
author = "Popović, Kosana and Antonijević Nikolić, Mirjana and Dražić, Branka and Tanasković, Slađana",
year = "2022",
abstract = "The chemical components in tea have received great interest because they are related to health. In this
study the content of five heavy metals including Cu, Fe, Mn, Zn and Ni were determined by atomic
absorption spectrometry on samples of herbal teas: Quercus cortex, Gentianae radix, Althaeae radix,
Uvae ursi folium and Glycyrrhizae radix collected from Šabac's market, Serbia. Based on the obtained
content of the metals in the analyzed herbal teas, estimated daily intake (EDI) was determined. Both
target hazard quotient (THQ) and hazard index (HI) were employed to assess the potential health risk
of studied metals in teas. The herbal tea samples analysed contain essential heavy metals (Cu, Fe,
Mn, Zn) and probably essential in trace (Ni) and could contribute to the daily dietary requirements.
The THQ from 7.76·10−4 to 5.75·10-1 and HI from 0.1059 to 0.6151 values for tea samples were lower
than 1, suggesting that consumption of tea would not cause significant health risks for consumers.",
publisher = "Society of Physical Chemists of Serbia",
journal = "PHYSICAL CHEMISTRY 2022, 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry (Proceedings)",
title = "The potential health risk of heavy metals in herbal tea commercially available in Šabac, Serbia",
volume = "II",
pages = "489-492",
url = "https://hdl.handle.net/21.15107/rcub_farfar_4373"
}

Popović, K., Antonijević Nikolić, M., Dražić, B.,& Tanasković, S.. (2022). The potential health risk of heavy metals in herbal tea commercially available in Šabac, Serbia. in PHYSICAL CHEMISTRY 2022, 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry (Proceedings)
Society of Physical Chemists of Serbia., II, 489-492.
https://hdl.handle.net/21.15107/rcub_farfar_4373

Popović K, Antonijević Nikolić M, Dražić B, Tanasković S. The potential health risk of heavy metals in herbal tea commercially available in Šabac, Serbia. in PHYSICAL CHEMISTRY 2022, 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry (Proceedings). 2022;II:489-492.
https://hdl.handle.net/21.15107/rcub_farfar_4373 .

Popović, Kosana, Antonijević Nikolić, Mirjana, Dražić, Branka, Tanasković, Slađana, "The potential health risk of heavy metals in herbal tea commercially available in Šabac, Serbia" in PHYSICAL CHEMISTRY 2022, 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry (Proceedings), II (2022):489-492,
https://hdl.handle.net/21.15107/rcub_farfar_4373 .