JSCS
Vol 76, No. 1
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issue - PDF 
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J. Serb. Chem. Soc. 76 (1) 1–11 (2011)
UDC 547.823+542.913:615.28–188;
JSCS–4093; doi: 10.2298/JSC091127003K; Original scientific paper
Synthesis and antimicrobial activity of
a new series of 1,4-dihydropyridine derivatives
RADHAKRISHNAN
SURENDRA KUMAR, AKBAR IDHAYADHULLA, ABDUL JAMAL ABDUL NASSER and JOSEPH SELVIN*
P. G. &AMp; Research, Department
of Chemistry, JAMal MohAMed College, Tiruchirappalli-620 020, TAMil Nadu, India
*Department
of Microbiology, Bharathidasan University, Tiruchirappalli-620024, TAMil Nadu, India
(Received 27 November 2009, revised 21
July 2010)
A series of 1,4-dihydropyridine
derivatives (1a–g) were
prepared from Hantzsch syntheses. The compounds 1a–g were reacted with thiosemicarbazide to give the new series of compounds 2a–g. IR, 1H-NMR, 13C-NMR, mass spectral and elemental analysis
confirmed the synthesized compounds. The synthesized compounds were also
screened for their antimicrobial activity.
Keywords: 1,4-dihydropyridine; thiosemicarbazide;
condensation; antimicrobial activity.
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2011. Cited by
J. Serb. Chem. Soc. 76 (1) 13–20 (2011)
UDC
547.48+547.467+547.313+547.239+547.421:542.9; JSCS–4094; doi: 10.2298/JSC100218011M; Original scientific paper
A three-component synthesis of
functionalized ketenimines by the reaction of alkyl isocyanides and dialkyl
acetylenedicarboxylates in the presence of 2-quinolinol
BITA
MOHTAT, HOORIEH DJAHANIANI*, ISSA YAVARI** and KOBRA NADERI
Chemistry Department, IslAMic Azad University, Karaj
Branch, Karaj, Iran
*Chemistry
Department, IslAMic Azad University, East Branch, QiAMdasht, Tehran, Iran
**Chemistry
Department, IslAMic Azad University, Science and Research Branch, Tehran, Iran
(Received 18 February, revised 21 June
2010)
The 1:1 reactive intermediates generated
by the addition of alkyl isocyanides to dialkyl acetylenedicarboxylates were
trapped by 2-quinolinol to yield highly functionalized ketenimines and, in some
cases, minor AMounts of 1-azabuta-1,3-dienes.
Keywords: ketenimines; 1-azadienes; alkyl isocyanides;
acetylenic esters; NH-acids; multi-component reaction.
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J. Serb. Chem. Soc. 76 (1) 21–26 (2011)
UDC
546.18–32+546.77–32+547.867:544.4:547–316; JSCS–4095; doi: 10.2298/ JSC100127008C; Original scientific paper
An environmentally benign one-pot synthesis
of 1,2-dihydro-1-aryl-3H-naphth[1,2-e][1,3]oxazin-3-one
derivatives catalysed by phosphomolybdic acid
ATUL CHASKAR*,**, VIMAL VYAVHARE*, VIKAS PADALKAR*, KIRAN
PHATANGARE* and HRUSHIKESH
DEOKAR*
*C.
K. Thakur Research Centre, Navi Mumbai-410206, India
**Dipartimento
di chimica, materiali ed ingegneria chimica “Giulio Natta” Politecnico di
Milano, Milan, Italy
(Received 10 April, revised 29 June
2010)
A phosphomolybdic acid catalysed novel
method for the synthesis of 1,2-dihydro-1-aryl-3H-naphth[1,2-e][1,3]oxazin-3-one derivatives by a one-pot,
three-component reaction of β-naphthol,
aromatic aldehydes and urea in excellent yields is described.
Keywords: MCRs; phosphomolybdic
acid; naphtho-oxazine; catalysis; aldehydes.
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J. Serb. Chem. Soc. 76 (1) 27–34 (2011)
UDC *Centaurea spruneri:577.121:547.565:615.281/.282–188;
JSCS–4096; doi: 10.2298/JSC100127008C; Original scientific paper
Antimicrobial activity of secondary
metabolites isolated from Centaurea spruneri Boiss. &AMp; Heldr.
ANA
ĆIRIĆ, ANASTASIA KARIOTI*,**, JASMINA GLAMOČLIJA, MARINA SOKOVIĆ and HELEN SKALTSA*
Department of Plant Physiology, Mycological
Laboratory, Institute for Biological Research “S. Stanković”, University of
Belgrade, Bul. despota Stefana 142, 11 000 Belgrade, Serbia
*Department
of Pharmacognosy and Chemistry of Natural Products, School of Pharmacy,
University of Athens, Panepistimiopolis, Zografou, 157 71, Athens, Greece
**Department of Pharmaceutical Sciences, University of
Florence, via Ugo Schiff 6,Polo Scientifico, Sesto Fiorentino, 50019 Florence,
Italy
(Received 27 January, revised 19 May
2010)
Two coumarins, scopoletin (1) and isoscopoletin (2),
two simple phenolic acids, protocatechuic acid (3) and isovanillic acid (4)
and one flavonoid, eriodictyol (5)
were isolated from the aerial parts of Centaurea spruneri. The structure of the compounds was established by
spectroscopic methods. The in vitro antimicrobial activity of the
isolated compounds was tested against eight bacteria and eight fungal species,
using a microdilution method. All compounds tested showed moderate
antibacterial and antifungal activities. Their minimum inhibitory
concentrations were in the range 0.655–2.38 µmol ml-1 and their minimal
bactericidal concentrations ranged from 0.694 to 4.15 µmol ml-1 against the tested bacterial species.
All compounds showed fungistatic activity at 0.259–2.38 µmol ml-1 and fungicidal at 0.69–2.6 µmol ml-1 against all fungi tested.
Keywords: Centaurea spruneri; polyphenols; antibacterial activity; antifungal
activity.
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2011. Cited by
J. Serb. Chem. Soc. 76 (1) 35–42 (2011)
UDC
633.861+543.544.5.068.7:547.814.5:678.048; JSCS–4097; doi: 10.2298/JSC100408015O; Original scientific paper
Quantification of genistein and daidzein
in two endemic Genista species and their antioxidant activity
ILKAY ERDOGAN ORHAN, FATMA TOSUN, UGUR
TAMER*, AHMET
DURAN**, BURCU
ALAN and ALI FUAT KÖK
Department
of Pharmacognosy, Faculty of Pharmacy, Gazi University, 06330, Ankara, Turkey
*Department of Analytical Chemistry,
Faculty of Pharmacy, Gazi University, 06330 Ankara, Turkey
**Department of Biology,
Faculty of Education, Selçuk University, MerAM 42090,
Konya, Turkey
(Received 8 April, revised 17 June 2010)
In the current research, the total and
free genistein and daidzein contents were determined in two endemic Genista species (G. sandrasica and G. vuralii)
by an HPLC method. The highest AMount of total genistein and total daidzein was
found in G. sandrasica, 0.582 and
0.113 %, respectively, whereas only the free daidzein content of G. sandrasica was higher than that of G. vuralii. The antioxidant activity of
the crude methanol and hydrolyzed extracts of these species was evaluated by
three in vitro methods; nAMely DPPH
free radical scavenging, ferrous ion-chelating and ferric-reducing antioxidant
power (FRAP) tests at 0.25, 0.50, and 1.0 mg ml-1. The hydrolyzed extracts of both
species displayed greater antioxidant activity than the crude methanol extracts
in all tests. Total phenol and flavonoid contents in the extracts were
determined via the Folin–Ciocalteau
and AlCl3 reagents, respectively. G. vuralii was richer in terms of total phenol and flavonoid
contents compared to G. sandrasica.
Keywords: Genista L.; Fabaceae; isoflavones; daidzein;
genistein; HPLC; antioxidant.
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2011. Cited by
J. Serb. Chem. Soc. 76 (1) 43–52 (2011)
UDC
546.73’76+544.35:544.537:57.083.36:577.338; JSCS–4098; doi: 10.2298/JSC100406014J; Original scientific paper
A selective laser melted Co–Cr alloy used for the
rapid manufacture of removable partial denture frAMeworks- initial screening of
biocompatibility
DANIMIR JEVREMOVIĆ, VESNA
KOJIĆ*, GORDANA BOGDANOVIĆ*, TATJANA PUŠKAR**, DOMINIC EGGBEER***, DANIEL
THOMAS*** and ROBERT WILLIAMS***
Clinic for Prosthodontics, School of Dentistry, Pančevo, University
Business Academy, Novi Sad, Serbia
*Oncology Institute of Vojvodina, Sremska KAMenica, Serbia
**Clinic for Prosthodontics, School of Medicine, Department of
Dentistry, University of Novi Sad, Serbia
***Centre for Dental Technology and the National Centre for Product
Design and Development Research, University of Wales Institute, Cardiff, United
Kingdom
(Received 6 April, revised 28 July 2010)
The aim of this study was to determine the
cytotoxicity of a Co–Cr alloy used for the rapid manufacture of removable
partial denture frAMeworks using murine fibroblasts L929 cell lines and three
test methods: the MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium
bromide, a yellow tetrazole) assay, the agar diffusion test (ADT) and the dye
exclusion test (DET). Two groups of disc specimens (5 mm diAMeter, 1 mm thick)
were fabricated. The first group was cast using a conventional method (CM) in a
Nautilus CC casting. The second group was fabricated using selective laser
melting (SLM) in SLM Realiser The total cell number and viability of cells
pre-incubated with CM and SLM alloys were comparable to the control sAMple.
Differences between the growth inhibitory effects of the CM and SLM alloys in
the MTT assay were below 30 %. Results
of two independent agar diffusion tests with CM and SLM alloys showed neither
detectable discoloration around or under the discs nor a detectable difference
in staining intensity. As the cell response for both CM and SLM alloys was 0/0,
the discs can be rated as non-cytotoxic. The results suggested that the F75
Co–Cr alloy used for the SLM process did not release harmful material that
could cause acute effects against L929 cells under the given experimental
conditions.
Keywords: dental alloys; selective laser melting; cytotoxicity; removable partial
dentures.
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2011. Cited by
J. Serb. Chem. Soc. 76 (1) 53–61
(2011)
UDC
546.962+547.821–32:57.083.36:543.422.25; JSCS–4099; doi:
10.2298/JSC100517017I;
Original scientific paper
X-Ray structure and cytotoxic activity
of a picolinate ruthenium(II)–arene complex
IVANKA IVANOVIĆ, SANJA GRGURIĆ-ŠIPKA,
NEVENKA GLIGORIJEVIĆ*,
SINIŠA RADULOVIĆ*,
ALEXANDER ROLLER**,
ŽIVOSLAV LJ. TEŠIĆ and BERNHARD K. KEPPLER**
Faculty of Chemistry, University of Belgrade,
Studentski trg 12-16, 11 000 Belgrade, Serbia
*Institute
of Oncology and Radiology of Serbia, Pasterova 14, 11000 Belgrade, Serbia
**Institute of Inorganic
Chemistry, University of Vienna, Währinger Str. 42, 1090 Vienna,
Austria
(Received 17
May, revised 17 August 2010)
A ruthenium(II)–arene complex with
picolinic acid, [(η6-p-cymene)RuCl(pico)]∙H2O, was prepared by the reaction of [(η6-p-cymene)RuCl2]2 with picolinic acid in a 1:2 molar ratio in
2-propanol. The compound was characterized by elemental analysis, and IR and
NMR spectroscopy. X-ray diffraction analysis showed that the molecule adopts a
“three-leg piano-stool” geometry, which is common for this type of complexes.
The cytotoxic activity of the complex was
tested in two human cancer cell lines HeLa (cervix) and FemX (melanoma)
by MTT assay. The IC50 values were at 82.0 and 36.2 µmol dm-3 for HeLa and FemX cells, respectively.
Keywords: ruthenium(II)–arene; picolinic acid; cytotoxic
activity.
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J. Serb. Chem. Soc. 76 (1) 63–74
(2011)
UDC
542.913+542.9+547.571+547.551+546.792’562’47+54–71–034:547.415.1’631.6; JSCS–4100; doi: 10.2298/JSC100104004A; Original scientific paper
Tetradentate Schiff base ligands of
3,4-diAMinobenzophenone: Synthesis, characterization and thermodynAMics of
complex formation with Ni(II), Cu(II) and Zn(II) metal ions
MOZAFFAR
ASADI, HAJAR SEPEHRPOUR and KHOSRO MOHAMMADI*
Chemistry Department, College of Sciences, Shiraz
University, Shiraz 71454, I. R. Iran
*Chemistry
Department, Faculty of Sciences, Persian Gulf University, Bushehr 75169, I. R.
Iran
(Received 4 January, revised 12 July
2010)
Some new symmetrical diimino
tetradentate Schiff base ligands were synthesized by the reaction of
3,4-diAMinobenzophenone with salicylaldehyde derivatives, such as
[3,4-bis(((2-hydroxy-4-methoxyphenyl)methylene)AMino)phenyl]phenylmethanone (L1), [3,4-bis(((2-hydroxy-5-methoxyphenyl)methylene)AMino)phenyl]phenylmethanone (L2), [3,4-bis(((5-bromo-2-hydroxyphenyl)methylene)AMino)phenyl]phenylmethanone (L3) and [3,4-bis(((2-hydroxy-5-nitrophenyl)methylene)AMino)phenyl]phenylmethanone (L4). Additionally, a
tetradentate
Schiff base ligand [3,4-bis(((2-hydroxy-3-methoxyphenyl)methylene)AMino)phenyl]phenylmethanone (L5) was synthesized. All the Schiff bases
and their Ni(II), Cu(II) and Zn(II) complexes were characterized using
elemental analysis and infrared, electronic, mass and 1H-NMR spectroscopy. The formation
constants of the complexes were measured using UV–Vis spectroscopic titration
at constant ionic strength 0.10 M (NaClO4), at 25 °C in dimethylformAMide (DMF)
as solvent.
Keywords: synthesis;
tetradentate Schiff base; metal complex; diAMinobenzophenone; formation
constant.
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2011. Cited by
J. Serb. Chem. Soc. 76 (1) 75–83
(2011)
UDC
547–304.9+542.9+547.571+547.551+66.094.3.097:615.281; JSCS–4101; doi: 10.2298/JSC100212136R; Original scientific paper
Transition metal complexes of
5-bromosalicylidene-4-AMino-3-mercapto-1,2,4-triazine-5-one: Synthesis,
characterization, catalytic and antibacterial studies
AYALOOR
SUBRAMANIAN RAMasubrAManian, Badekai RAMachandra
Bhat, RAMakrishna Dileep and Sandya Rani
Department of Chemistry, National Institute of
Technology Karnataka, Surathkal,
Srinivasnagar – 575025, Karnataka State, India
(Received 12 February, revised 1 June
2010)
Transition metal complexes of
5-bromosalicylidene-4-AMino-3-mercapto-1,2,4-triazine-5-one with metal
precursors, such as Cu(II), Ni(II), Co(II) and Pd(II), were synthesized and
characterized by physico–chemical and spectroscopic techniques. All the
complexes are of the ML type. Based on analytical, spectral data and magnetic
moments, the Co(II) and Ni(II) complexes were assigned octahedral geometries,
while the Cu (II) and Pd(II) complexes square planar. A study on the catalytic
oxidation of benzyl alcohol, cyclohexanol, cinnAMyl alcohol, 2-propanol and
2-methyl-1-propanol was performed with N-methylmorpholine-N-oxide (NMO) as co-oxidant. All the complexes and their parent
organic moiety were screened for their biological activity on several
pathogenic bacteria and were found to possess appreciable bactericidal properties.
Keywords: triazine; Schiff base; catalytic
oxidation; antibacterial studies.
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2010. Cited by
J. Serb. Chem. Soc. 76 (1) 85–99
(2011)
UDC
547.575’461.5:66.097.8+519.711+54–124:57–188; JSCS–4102; doi: 10.2298/JSC100601019D; Original scientific paper
MTD–CoMSIA modelling of HMG-CoA reductase inhibitors
DANIEL M. DUDA-SEIMAN,
SPERANŢA AVRAM*, SILVIA MANCAŞ, VALENTIN CAREJA**, CORINA DUDA-SEIMAN***, MIHAI
V. PUTZ*** and DAN CIUBOTARIU****
Department of Medical Ambulatory, Medical Emergencies, University of
Medicine and Pharmacy “Victor Babes”, Timisoara, Romania
*Department of Physiology and Biophysics, University of Bucharest,
Faculty of Biology, Bucharest, Romania
**Institute of Chemistry “Coriolan Drăgulescu” of the Romanian Academy, Timisoara, Romania
***Department of Chemistry, University of West Timisoara, Faculty of
Chemistry-Biology-Geography, Timişoara
****Faculty of Pharmacy, University of Medicine and Pharmacy “Victor
Babeş”, Timisoara, Timisoara, Romania
(Received 1 June, revised 23 August 2010)
The 3D quantitative structure–activity relationship
for a series of hydroxymethylglutaryl-CoA (HMG-CoA) reductase inhibitors based
on the pyrrolylethyl-tetrahydropyranone scaffold was exAMined using the Minimal
Topological Difference (MTD) method and comparative molecular similarity index
analysis (CoMSIA). The studied compounds were of the tetrahydro-4-hydroxy-6-[2-(1H-pyrrol-1-yl)ethyl]-2H-pyran-2-one type. In clinical
practice, HMG-CoA reductase inhibitors are usually referred to by the generic
nAMe statins. The analysis performed using the MTD method showed that
voluminous substituents produce a significant biological activity (
= 0.677 > 0.5; SEECV = 0.319), while the CoMSIA method added useful information
regarding the influence of the steric, electrostatic, hydrophobic, hydrogen
bond donor, and acceptor properties on biological activity (= 0.60; r2 = 0.98).
Keywords: statins; molecular modelling; correlations; 3D-quantitative
structure–biological activity.
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2011. Cited by
J. Serb. Chem. Soc. 76 (1)
101–112 (2011)
UDC 679.91+66.081:549.25:544.4:536.7; JSCS–4103; doi: 10.2298/JSC100118005L; Original scientific paper
Sorption of Cu2+ and Co2+ from
aqueous solutions onto sepiolite: an equilibrium, kinetic and thermodynAMic
study
SLAVICA LAZAREVIĆ, IVONA
JANKOVIĆ-ČASTVAN, ŽELJKO RADOVANOVIĆ, BRANISLAV POTKONJAK*, DJORDJE JANAĆKOVIĆ and RADA PETROVIĆ
Faculty of Technology and Metallurgy, University of Belgrade,
Karnegijeva 4, 11000 Belgrade, Serbia
*Institute of Chemistry, Technology and Metallurgy, Njegoševa 12, 11000
Belgrade, Serbia
(Received 18 January, revised 10 September 2010)
The efficiency of natural sepiolite for the removal of
Cu2+ and Co2+ from aqueous solution was determined using the batch
method. The sorption experiments were performed as a function of the initial
metal concentration, the equilibration time and temperature. ThermodynAMic
parAMeters, such as enthalpy, free energy and entropy, were calculated from the
temperature dependent sorption isotherms and these values showed that the
sorption of the investigated metals onto sepiolite was endothermic. The
pseudo-second order kinetic model provides the best correlation of the experimental
kinetic data.
Keywords: sepiolite; sorption; heavy metals; kinetics; thermodynAMic.
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2011. Cited by
J. Serb. Chem. Soc. 76 (1)
113–123 (2011)
UDC
547.262+577.15+541.135.5–039.26:66.087; JSCS–4104; doi:
10.2298/JSC100127007L;
Original scientific paper
Sensitive
determination of dihydronicotinAMide adenine dinucleotide and ethanol with a
nano-porous carbon electrode
XIAOQIN LIU, BUHAI LI and
CHUNYA LI
Key
Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, College
of Chemistry and Materials Science, South-Central University for Nationalities,
Wuhan 430074, China
(Received 27
January, revised 6 July 2010)
A nano-porous carbon electrode, fabricated in 0.1 mol
L-1 NaOH by the electrochemical technique, was used for
the electrochemical detection of dihydronicotinAMide adenine dinucleotide,
NADH, with an overpotential decrease of about 270 mV and a linear range from 1.0×10-6 to 1.0×10-4 mol L-1. Amperometric sensing of ethanol cooperating with
alcohol dehydrogenase and nicotinAMide adenine dinucleotide was successfully
demonstrated. A linear response in the range from 5.0×10-5 mol L-1 to 1.0×10-2 mol L-1 was obtained, with a detection limit of 1.0×10-5 mol L-1. The method was successfully employed to determine
ethanol in beer with high precision.
Keywords: nano-porous carbon; NADH; ethanol; electrochemical
process; AMperometry.
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2011. Cited by
J. Serb. Chem. Soc. 76 (1)
125–127 (2011)
UDC 620.193+541.138:681.32:091.5; JSCS–4105; doi: 10.2298/JSC100518018C; Original scientific paper
EXTENDED ABSTRACT
In-line
digital holography for the study of localized corrosion and dynAMic processes
of electrochemical reactions
SHENHAO
CHEN
Department of Chemistry,
Shandong University, Jinan 250100, P. R. China and State Key Laboratory for
Corrosion and Protection, Shenyang 110015, P. R. China
(Received 18 May 2010)
Digital
holographic reconstruction has been used to map the transient concentration
field within the diffusion layer, detect the dynAMic processes of localized
corrosion, such as pitting corrosion, crevice corrosion and scratch corrosion
crack. It has been used with an attempt to identify the actual mechanism
through observing the dynAMic changes of the diffusion layer near the
electrode/electrolyte interface during anodic processes of copper.
Keywords: digital holographic reconstruction;
concentration change; diffusion layer; localized corrosion.
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2011. Cited by
J. Serb. Chem. Soc. 76 (1)
129–142 (2011)
UDC
547.466.24:532.14:532.13:541.25+54–145.2; JSCS–4106; doi: 10.2298/JSC090616002R; Original scientific paper
A volumetric and viscometric study of 4-AMinobutyric acid
in aqueous solutions of metformin hydrochloride at 308.15, 313.15 and 318.15 K
Krisha RAJAGOPAL and S. S. JAYABALAKRISHNAN*
Department of Physics, Government College of Engineering,
Tirunelveli-627007 TAMil Nadu, India
*Department of Physics, P. S. R. Engineering College, Sivakasi, TAMil
Nadu, India
(Received 16 June 2009, revised 21 September 2010)
Density (r) and viscosity (h) measurements were performed for4-AMinobutyric acid in 0.05, 0.10 and 0.15 M aqueous
metformin hydrochloride at 308.15, 313.15 and 318.15 K. The measured values of
density and viscosity were used to estimate some important parAMeters, such as
the partial molal volume, Vf, the standard partial molal volume, Vf
, the standard partial molal volume of transfer, DVf
, the hydration number, nH, the second derivative of the infinite dilution of
the standard partial molal volume with temperature ¶2Vf/¶T2, the viscosity B-coefficients,
variation of B with temperature, dB/dT,
the free energy of activation per mole of solvent Dm1
* and solute Dm2
* of the AMino
acid in a ternary system. These parAMeters were interpreted in terms of
solute–solute and solute–solvent interactions and structure making/breaking
ability of solutes in the given solution.
Keywords: density; viscosity; standard
partial molal volume; hydration number; viscosity B-coefficient;
free energy activation parAMeters.
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2011. Cited by
J. Serb. Chem. Soc. 76 (1)
143–153 (2011)
UDC
633.822+546.76+541.183+543.421:615.9; JSCS–4107; doi:
10.2298/JSC100401130D;
Original scientific paper
Analysis of the bioavailability of
Cr(III) and Cr(VI) based on the determination of chromium in Mentha piperita by graphite furnace
atomic absorption spectrometry
SVETLANA
ĐOGO, SLAVICA RAŽIĆ, DRAGAN MANOJLOVIĆ* and LATINKA SLAVKOVIĆ**
Institute of Analytical Chemistry, Faculty of
Pharmacy, University of Belgrade, P. O. Box 146, 11211 Belgrade, Serbia
*Faculty
of Chemistry, University of Belgrade, 11000 Belgrade, Serbia
**The
Vinča Institute of Nuclear Sciences, P. O. Box 522, 11522 Belgrade, Serbia
(Received 1 April, revised 12 July 2010)
Mentha piperita L. (LAMiaceae)
was cultivated under the controlled laboratory conditions in the presence of
varying levels of trivalent and hexavalent chromium in order to determine its
capacity to control chromium uptake and its tolerance limit. The plants were
grown in pots at 25 °C with controlled soil moisture (about 80 % of the water
retention capacity). The soil was treated with increasing concentrations of
Cr(NO3)3 (40, 80, 120, and 200 mg kg-1) and K2Cr2O7 (2.5, 5, 10, and 15 mg kg-1). A control group of plants was grown
without the addition of chromium to the soil. For each concentration, three
acidity levels were tested: natural, one pH unit below and one above the
natural acidity of the soil (pH2 6, pH1 5
and pH3 7). The plant sAMples were digested according
to the standard procedure and chromium content was determined by GFAAS. For all
plants, the transportation index was calculated and the results (expressed in
mg kg-1) at pH1, pH2 and pH3, respectively, were: 0.21–0.80,
0.06–1.06 and 0.04–0.52. The recoveries were good (72.73–115.3 %) as evidenced by the analysis of certified reference
materials (NIST SRM 8433 – Corn Bran
and NIST SRM 1547 – Peach Leaves). The mobility of chromium through the
plants tissues is discussed in regard to its competition with iron and
manganese for transport binding sites; hence Mn and Fe were also determined.
Keywords: chromium; GFAAS;
uptake; translocation; toxicity; Mentha
piperita.
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2010. Cited by
Copyright &AMp; copy; SHD 2011.
January 28, 2011.
For more information contact: JSCS-info@shd.org.rs