CURRICULUM VITAE – d-r ELIZABETA DIMITRIESKASTOJKOVIĆ
GENERAL INFORMATIONS
Surname:
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Dimitrieska-Stojković
Elizabeta
08.06.1966
Štip, Macedonia
R. Macedonia
Work:
Home:
Faculty of veterinary medicineAVNOJ 32/2-1
Skopje
1000 Skopje, Macedonia
Lazar Pop-Trajkov 5-7
1000 Skopje, Macedonia
+389 2 3240 748
/
+389 3 114 619
/
edimitrieska@fvm.ukim.edu.mk /
Scientific associate, head of the laboratory
PhD
Chemistry and food safety
2011
2003
1989
ACADEMIC QUALIFICATIONS
Degree - graduated engineer of chemistry,
Ss Cyril and Methodius University, Faculty of science and mathematics, Institute of
chemistry, Skopje, module- analytical chemistry
Graduation work:
“Polarographic investigation of urine from diabetics with palladium chloride”
July 1989
Degree – Master of chemical sciences (МSc)
Ss Cyril and Methodius University, Faculty of science and mathematics, Institute of
chemistry, Skopje, module- analytical chemistry
Master work:
“Development of supercritical extraction procedure and quantitative determination of
rutin and quercetin from Hyperici herba with HPLC”
April 2003
Degree – Philosophy doctor of sciences in veterinary medicie (PhD)
Ss Cyril and Methodius University, Faculty of veterinary medicine - Skopje
Doctorial thesis:
“Residues of antimicrobial veterinary drugs in the raw milk form Republic of
Macedinia determined by applying different screening and confirmatory methods.”
October 2011
EMPLOYMENT AND ACADEMIC POSITIONS
1994 - 2003
Junior
Ss Cyril and Methodius University, Veterinary institute,
assistant Skopje, Macedonia
researcher
2004 - 2012
Assistant Ss Cyril and Methodius University Faculty of veterinary
researcher
medicine – Skopje, Macedonia
2012
Научен
соработник
Ss Cyril and Methodius University Faculty of veterinary
medicine – Skopje, Macedonia
PROJECTS
1994-1996
2004-2006
2010
2012
Residues in products of animal origin (participant)
Establishment of a National Integrated Phytosanitary Service (NIPS),
CARDS (represent from beneficiary institution)
Project for applicative laboratory for LC/MS/MS analysis of food of animal
origin, funded by the Government of RM (carrier)
Proposal for project: Development and validation of novel
spectrophotometric methods for quality control of pharmaceuticals and
medical veterinary products, PMF, UKIM (participant)
SCIENTIFIC AND PROFESSIONAL VISITS
10/1989
XI Meeting of chemists and technologists of Macedonia, Skopje
02/1991
Visit on Faculty for veterinary medicine, Ljubljana, Slovenia
03/1991
Training on processing gas chromatographic data with GC integrator,
Hewlett Packard, Belgrade, Serbia
10/1991
Visit on Institute for meat hygiene and technology, Belgrade, Serbia
02/1993
Training on atomic absorption spectrophotometer with graphite furnace Perkin
Elmer 1100B, Vienna, Austria
07/1993
Training on HPLC-DAD system, Perkin Elmer, Munich, Germany
06/1995
Visit on Agricultural Institute, Laboratory for pesticide analysis, Novi Sad,
Serbia
20-24.05.1996 MSD Chemstation operator training, Hewlett Packard, Vienna, Austria
06/1998
3rd European Furnace Symposium, Прага, Чешка Република
01-15.11.1999
Training on dioxin analysis with HRGC-MS, Oldenburg, Germany
02/1999
Visit on Faculty for veterinary medicine, Ljubljana, Slovenia
01-05.11.2001
Training on GPC (gel permeation chromatography) operating, Oldenburg,
Germany
10/2002
3rd Aegan Analytical Chemistry Days, Polihnitos, Lesbos, Grcija.
14-17.09.2003
Black Sea Basin Conference on Analytical Chemistry, Sile Istanbul-Turkey
11/2004
Training on methods for determination of pesticides in fruits and vegetables,
NIPS Project, NAGREF, Kifisia, Greece
27-28.01.2005
TrainMiC, Training in metrology in chemictry, Maribor, Slovenija
28-29.10.2005
Workshop on Food Safety and Quality in support to EU Policies, Ljubljana,
Slovenia”
08-18.11.2005
INVENT Expert meeting on Requirements to food quality control, Feldafing,
Germany
10-14.09.2006
5th International conference of the chemical societies of the south-east
European countries, Ohrid
20-21.03.2007
Workshop of the network of reference laboratories for Polycyclic Aromatic
hydrocarbons, IRMM, Geel. Belgium
26-30.09.2007
IV Congress of Pharmacists of Macedonia, Ohrid
15-17.11.2007
Annual EU CRL-NRL workshop on veterinary drug residues, RIVM,
Bilthoven, Netherland
03-04.06.2008
CRL Workshop on veterinary drugs residues, Berlin Germany
24-25.03.2009
Workshop of the network of reference laboratories for Polycyclic Aromatic
hydrocarbons, IRMM, Geel, Belgium
05-08.05.2009
CRL Workshop on veterinary drugs residues, Berlin Germany
18-20.10.2009
Workshop, Strategic Orientation Round of Food Science Research Potential in
Macedonia, Ohrid, R. Macedonia
08-12.03.2010
Training on residues of pesticides in fruits and vegetable, AGRIQ,
Wageningen, Netherlands
31.03.2010
Tricks and tips seminar, Enhance your LC and GC productivity, Agilent
Technologies, Beograd, Serbia
01-03.11.2010
EURL workshop on veterinary drug residues, RIKILT, Wageningen,
Netherlands
23.-25.04.2012
CRL Workshop on veterinary drugs residues, Berlin Germany
07-09.05.2012
Expert Mission on Control plan for chemical and microbiological
contaminants, Skopje, R.Macedonia
14-16.05.2012
EuroResidue VII – Conference on Residues of Veterinary Drugs in Food,
Egmond aan Zee, Netherlands
14-16.05.2013
CRL Workshop on veterinary drugs residues, Berlin Germany
ADDITIONAL TRAININGS
03-04.2001
ISO – 9001, Clinics, Economic Chamber of Macedonia, Skopje
07-08.03.2005 Laboratory management system – Role of the quality manager and
technical management, SMAQVA project, IARM, Skopje
16-18.03.2005 Preparation and maintenance of Calibration-Testing laboratory manual
including Internal Audit, SMAQVA project, IARM, Skopje
07-08.04.2005 Quality management in chemical and microbiological laboratories, SMAQVA
project, IARM, Skopje
20-27.05.2005 GC-MS Saturn 2000 System , Varian, Skopje
10.09.2007
Laboratory management and accreditation, Project on straightening the food
safety and quality control, Skopje
06.10.2008
TRAINMiC, Principles and application of metrology in Chemstry, Skopje
08.06.2010
Theoretical and practical training for operation and maintenance of BIORAD ELISA Reader Model 680, Skopje
22-24.09.2010 Training for technical auditor for the standard MKS EN ISO/IEC
17025:2006, IARM, Skopje
26.10.2011
Training on Waters HPLC Aliance System со PDA и FD, Skopje
24-27.10.2011 Training on UPLC AQUITY TQD System, Waters, Skopje
10-12.05.2011 Tracebility and calculation of the measurement uncertainty in chemical and
microbiological laboratory, BAM project, IARM, Skopje
19-21.07.2011 GC-MS 7890A/5975C Instrument and MSD ChemStation operation, Agilent
Technologies, Skopje
02.11.2012
Waters – AQUITY UPLC Family, Biotek, Skopje
26.02.2013
Measurement traceability and calculation of measurement uncertainty due
calibration of measurement instruments using reference materials, IARM,
Skopje
07.06.2013
Training on leading auditor for laboratories and inspection bodies, IARM,
Skopje
03-07.02.2014
Applicative training on Waters ACQUITY UPLC-TQD instrument
OTHER EXPERT ACTIVITIES
Head of the laboratory for analysis of residues and contaminants, FVMS, UKIM, 2007Deputy head of the laboratory for chemical testing of food and feed, FVMS, UKIM, 2007Chairmen of the technical committee ISO TK 38 for chemistry and plastics, within the
Standardization Institute of RM, 2011 Technical auditor of the Institute for accreditation of RM for accreditation of laboratories
according to the standard MKS EN ISO 17025:2006, for chemical testing of food, feed and
water (11 laboratory audits), 2010 Member of the regional group of technical auditors according to the standard MKS EN ISO
17025:2006 for chemical testing of food, feed and water, 2012Leader auditor in training for accreditation of laboratories according to the standard MKS EN
ISO 17025:2006, 2013Reviewer in the journal Analytica Chimica Acta
Reviewer in Macedonian Journal of Chemistry and Chemical Engineering
Reviewer in the journal Macedonian Veterinary Review
PUBLICATIONS
1. К.Стојановска, Е. Димитриеска, Б. Топузовски, Б. Јорданоски. (1989)
Поларографско испитување на реакцијата на паладиумхлорид со урина од
дијабетичари, B2-4, XI Советување на Хемичарите и Технолозите на
Македонија, Скопје, 5-7 октомври
2. Kornelija Stojanova, Elizabeta Dimitrieska-Stojkovic, B. Topuzovski, B. Jordanoski,
(1992) Investigation of palladium chloride reaction with urine of diabetics by a
polarographic method, Bulletin of Chemists and Technologists of Macedonia, Vol. 11,
No. 1-2.
3. Danev Mihail, Dzinleski Borislav, Serafimovska Verka, Stojkovic Elizabeta,
Sekulovski Pavle (1993). Zagadenost vode ugrozava fluvijatilni riblji fond. Tehnologija
mesa. God. XXXIV, Br. 4-6. str. 171-173. Beograd.
4. Данев Михаил, Серафимовска Верка, Стојковиќ Елизабета, Секуловски Павле.
(1993) Резидуи од некои пестициди и токсични елементи во месото од рибите.
Македонски ветеринарен преглед. Год. 22, Бр. 1-2 стр. 55-56. Скопје.
5. Ј. Тосевски, Ц. Мицевски, Р. Проданов, М. Додовски, Елизабета ДимитриескаСтојковиќ, М. Данев. (1995) Квалитетот на јајцата од јапонска потполошка и
можност за нивно користење во исхраната на луѓето, Макед. Вет. Преглед, 24,
1-2.
6. Danev Mihail, Cepreganova-Kratic Biljana, Stojkovic Elizabeta, Sekulovski Pavle,
Serafimovska Vera, Dzinleski Borislav. (1996) Mikotoksini u uvezenoj hrani. Izvodi
radova. IX Jugoslovenski kongres o ishrani. str. 196. Kotor.
7. Danev Mihail, Serafimovska Vera, Sekulovski Pavle, Stojkovic Elizabeta, Krstic
Biljana, Zoric Mihailo. (1996) Kontaminiranost juneceg mesa kadmijumom.
Tehnologija mesa. God. XXXVII, Br. 1. str. 19-21. Beograd.
8. Danev Mihail, Serafimovska Verka, Dzinleski Borislav, Sekulovski Pavle,
Dimitrieska-Stojkovic Elizabeta, Cepreganova-Krstic Biljana. (1997) Rezidue
kontaminenata okolini - olova i kadmijuma - u mesu i namirnicama. Tehnologija
mesa. God. XXXVIII, Br. 4. str. 148-149. Beograd.
9. Danev Mihail, Cepreganova-Krstic Biljana, Stojkovic Elizabeta, Sekulovski Pavle,
Serafimovska Vera, Dzinleski Borislav. (1997) Mikotoksini u importovanoj hrani.
Veterinarski glasnik. Vol. 52, Br. 1-2. str. 67-70. Beograd
10. Danev Mihail, Sekulovski Pavle, Serafimovska Vera, Dimitrieska-Stojkovik
Elizabeta, Cepreganova-Krstik Biljana. (1997) Contamination of Food of Animal
Origin with Lead and Cadmim Residues in Macedonia. World Congress on Food
Hygiene. pp. 156. Hague. Netherlands.
11. Serafimovska Verka, Danev Mihail, Cepreganova-Krstic Biljana, DimitrieskaStojkovic Elizabeta, Panevska Mitra. (1998) Lead and Cadmium Residues in
Tissues of Ruminants in Republic of Macedonia. 3rd European Furnace Symposium
Book of abstracts. P/II 9. Prague, Czech Republic.
12. Данев Михаил, Џинлески Борислав, Серафимова Вера, ДимитриескаСтојковиќ Елизабета, Чепреганова-Крстиќ Билјана, Паневска Митра,
Секуловски Павле. (1998) Утврдување на содржината на резидуи во
хранителните продукти од животинско потекло во Република Македонија. I
Конгрес на еколозите на Македонија со меѓународно учество. Книга на
апстракти. стр.119-120. Охрид
13. Lj. Dejanovska, B. Cepreganova, L. Stojkovska, E. Dimitrieska (2000) Determination
of milk powder in yougurt, 1. Kongres Tehnikov Laboratoriske Medicine, Zbornik
strokovnih prispevkov, p 89, Terme Čatež, 12-13 Maj.
14. Serafimovska Verka, Cepreganova-Krstic Biljana, Dimitrieska-Stojkovic Elizabeta,
Danev M. (2000) “Concentration of metals Zn, Cu, Fe, Mn, Pb, and Cd in lamb’s
meat, liver and kidneys from different regions from R. Macedonia”, Euroanalysis XI,
Lisbon.
15. Elizabeta Dimitrieska-Stojkovic, Verka Srafimovska, Mihail Danev, Goran Stojkovic
(2001) Application of enzyme linked immunosorbent assay method for screening the
total aflatoxin content in nuts, 1st Black Sea Basin Conference on Analytical
Chemistry, Odessa, Book of abstracts 24-25.
16. Verka Srafimovska, Elizabeta Dimitrieska-Stojkovic,
Mihail Danev, Ivan
Serafimovski. (2001) lead, cadmium and zink contents in sheep’s milk from polluted
region in R. of Macedonia, 1st Black Sea Basin Conference on Analytical Chemistry,
Odessa, Book of abstracts 25.
17. Елизабета Димитриеска-Стојковиќ, Зоран Здравковски. (2002) Оптимизација
на условите за ефикасна суперкритична флуид екстракција на рутин и
кверцетин, XVII Конгрес на хемичарите и технолозите на Македонија, книга на
апстракти, БПТ-О1.
18. E. Dimitrieska-Stojković, V. Serafimovska, M. Danev, B. Stojanovska-Dimzoska, A
rapid solid-phase immunosorbent method for screening the total aflatoxins in food,
Proceedings, p. 50-53, 3rd Aegan Analytical Chemistry Days, 2002, Polihnitos,
Lesbos, Grcija.
19. E. Dimitrieska-Stojković, Z. Zdravkovski, G. Stojković, HPLC determination of
quercetin and rutin in supercritical carbondioxide extracts of Hyperici Herba,
Proceedings, p. 352-355, 3rd Aegan Analytical Chemistry Days, 2002, Polihnitos,
Lesbos, Grcija.
20. E. Dimitrieska-Stojković, V. Serafimovska, M. Danev, I. Serafimovski, J.
Bosnakovski. (2002) Correlation between the lead content in soil and grass in
samples from contaminated region, Book of abstracts, P1-19, 3rd Aegan Analytical
Chemistry Days, Polihnitos, Lesbos, Grcija, September 29th – October 3rd.
21. Лилјана Трајковска-Илиевска, Лепка Стојковска, Билјана Стојановска-Димзоска,
Елизабета Димитриеска-Стојковиќ. (2003) “Screening“ метод со цврсто-фазен
имуносорбент за брза анализа на вкупни афлатоксини во прехранбени
продукти, Друга конференција техничара лабораторијске медицине (са
меɧународним учешɦем), Тара, 24-28. Октобра.
22. Elizabeta Dimitrieska-Stojković, Zoran Zdravkovski (2003) Supercritical fluid
extraction of quercetin and rutin from Hyperici Herba, Journal of Liquid
Chromatography and Related Technologies, 26 (15) 2517-2533.
23. Dimitrieska-Stojkovic E., Zdravkovski Z., Stojkovic G., (2003) Experimental design
approach for the extraction of quercetin from Hyperici Herba using supercritical
carbon dioxide, P.045, 2nd Black Sea Basin Conference on Analytical Chemistry,
Sept.14-17, Sile Istanbul-Turkey.
24. Marija Srbinoska, Elizabeta Dimitrieska-Stojkovic, Mihail Danev, Vesna
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Rafajlovska. (2004) Obtaining tobacco extract by supercritical fluid extraction, XVIII
Congress of Chemists and Technologists of Macedonia, September 23-25, Ohrid.
Ivan Serafimovski, Elizabeta Dimitrieska-Stojkovic, Verka Serafimovska, Mihail
Danev. (2004) Total arsenic in spring waters from R. of Macedonia, 4th Aegean
Analytical Chemistry Days, 29 September-3 October, Kusadasi/ Aydin Turkey.
Z. Hajrulai-Musliu, E. Dimitrieska-Stojkovic, B. Stojanovska-Dimzoska, M. Danev, I.
Serafimovski. (2005) A rapid fluorometric method for determination of total aflatoxins
in food, Proceedings, XL. Croatian Symposium on Agriculture with International
Participation, 15th-18th fevruary, Opatija-Croatia.
Elizabeta D. Dimitrieska-Stojkovic, MIhail M. Danev, Zehra B. Hajrulai-Musliu,
Biljana S. Stojanovska-Dimzoska, Ivan M. Serafimovski, Determination of aflatoxins
in foodstuffs employing fluorometric method, Proc. Nat. Sci. Matica Srpska, 108
(2005) 31-35.
Ivan Serafimovski, Elizabeta Dimitrieska-Stojkovic, Pavle Sekulovski. (2006)
Determination of thyreostatics in cattle plasma by HPLC with Diode array detection,
ACH 39, Book of abstracts of 5th International conference of the chemical societies of
the south-east European countries, Ohrid 10-14 September.
Ivan Serafimovski, Darko Bosnakovski, Elizabeta Dimitrieska-Stojkovic, Mitra
Panevska. (2006) Bioaccumulation of some trace elements and Cs137 in wild
growing mushrooms collected from different regions in Macedonia, ENV 28, Book of
abstracts of 5th International conference of the chemical societies of the south-east
European countries, Ohrid 10-14 September.
Stojanovska-Dimzoska B., Hajrulai-Musliu Z., Dimitrieska-Stojkovic E., Sekulovski
P., Jankuloski D. (2007) Determination of Ochratoxin A in green and roasted coffee
by immunoaffinity column clean-up and fluorimetric determination, Abstract book p.
1455, XII International IUPAC Symposium on mycotoxins and Phytotoxins, Istanbul.
Hajrulai-Musliu Z., Stojanovska-Dimzoska B., Sekulovski P., Dimitrieska-Stojkovic
E., Jankuloski D., Serafimovski I. (2007) Ochratoxin A in wines from Macedonia
intended for EU market, Abstract book p. 1452, XII International IUPAC Symposium
on mycotoxins and Phytotoxins, Istanbul.
Zehra Hajrulai-Musliu, Mila Arapčeska, Pavle Sekulovski, Elizabeta DimitrieskaStojkovic,
Biljana
Stojanovska-Dimzoska,
Dimce
Kitanovski.
(2008)
ANTIOKSIDATIVNI UTJECAJ BUTILHIDROKSITOLUENA NA SASTAV MASNIH
KISELINA MLIJEKA. p. 101-102, 38 Hrvatski simpozij mljekarskih strucnjaka, Lovran,
23-26.Novembar.
Stojanovska-Dimzoska Biljana, Dimitrieska-Stojkovic Elizabeta, Hajrulai-Musliu
Zehra, Sekulovski Pavle, Jankuloski Dean (2008) Prisustvo na ohratoksin A vo
makedonskite vina od Tikveskiot region. Macedonian veterinary review Vol.31. No.1
p-35-41.
Hajrulai-Musliu Zehra, Sekulovski Pavle, Stojanovska-Dimzoska Biljana, DimitrieskaStojkovic Elizabeta, Jankuloski Dean, Siljanovski Aleksandar (2008) Opredeluvanje
na vkupni aflatoksini vo suvo i kostenlivo ovosje prisutni na makedonskiot pazar.
Macedonian veterinary review Vol.31. No.1 p-43-47.
Mila Arapčeska, Zehra Hajrulai-Musliu, Elizabeta Dimitrieska-Stojkovic, Biljana
Stojanovska-Dimzoska, Zivko Jankuloski (2009) Environmental and health impacts of
pesticides. Zbornik radova, Vol. 14 (15) p. 407-412, XIV Savetovanje o biotehnilogiji,
Čačak, 27-28.03.2009.
Z.Hajrulai-Musliu, M.Arapčeska, V.Stojkovski, D.Jankuloski, E. DimitrieskaStojkovic, B. Stojanovska-Dimzoska (2009) Fatty acids profile as an indicator for
adulteration of friut juices. Poster Abstracts-IFCC-EFCC-Euromedlab (W-A207), 7-11
june Innsbruck, Austria.
Z. Hajrulai-Musliu, M. Arapceska, V. Stojkovski, B. Stojanovska-Dimzoska, E.
Dimitrieska-Stojkovic, P. Sekuloski (2009) Detection of vegetable oils in pasteurized
milk fat with gas chromatography. Poster Abstracts, p.103, Milchkonferenz, 17-18
September, Wien, Austria.
Hajrulai-Musliu Z., Stojanovska-Dimzoska B., Dimitrieska-Stojkovic E., Sekulovski
P., Stojkovski V. (2009) Occurence of aflatoxin M1 in raw milk in Macedonia. Balkan
Journal of Clinical Laboratory XVII, 09, 1. PP-187.
Hajrulai-Musliu Z., Arapceska M., Sekulovski P., Stojkovski V., DimitrieskaStojkovic E., Stojanovska-Dimzoska B., (2009) The importance of food fatty acids
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composition for human health. Balkan Journal of Clinical Laboratory XVII, 09, 1. pp194.
Zehra Hajrulai-Musliu, Mila Arapceska, Elizabeta Dimitrieska-Stojkovic, Biljana
Stojanovska-Dimzoska, Vangelica Enimiteva, (2010) Quality control of some honey
samples from Macedonia. 45th Croatian and 5th international symposium on
agriculture, Book of abstracts p. 212, 15-19 February, Opatija, Croatia.
Biljana Stojanovska-Dimzoska, Hajrulai-Musliu Zehra, Dimitrieska-Stojkovic
Elizabeta, Enimiteva Vangelica, Sekulovski Pavle (2010) Sporedba na dve razlicni
analiticki metodi za opredeluvanje na vkupni aflatoksini vo dobitocna hrana.
Macedonian Veterinary Review, Vol.32, No.2 p. 45.
Biljana Stojanovska-Dimzoska, Zehra Hajrulai-Musliu, Elizabeta DimitrieskaStojkovic, Pavle Sekulovski (2010) Comparison of two different analytical methods
for determination of ochratoxin A in wine. 32nd Mycotoxin workshop, Poster 25, p. 69,
15-17 June, Copenhagen, Denmark.
Zehra Hajrulai-Musliu, Risto Uzunov, Elizabeta Dimitrieska-Stojkovic, Biljana
Stojanovska-Dimzoska, Aleksandra Todorovic, Jovanka Anastasova, Velimir
Stojkovski, (2010) Fatty acid composition of some broccoli (Brassica oleracea)
cultivars in Makedonia, BFT-9, XXI Congress of Chemists and Technologists of
Macedonia, 23 – 26 September, Ohrid, Republic of Macedonia.
Risto Uzunov, Zehra Hajrulai-Musliu, Mila Arapceska, Biljana Stojanovska-Dimzoska,
Elizabeta Dimitrieska-Stojkovic, Velimir Stojkovski (2010) Fatty acid composition of
milk from cows fed with different diet, XXI Congress of Chemists and Technologists of
Macedonia, Book of abstracts, BFT -43, 23 – 26 September, Ohrid, Republic of
Macedonia.
Elizabeta Dimitrieska-Stojkovic, Biljana Stojanovska-Dimzoska, Zehra HajrulaiMusliu, Vangelica Enimiteva, Risto Prodanov (2010) Validacion on confirmatory
HPLC/DAD method for analysis of tetracyclines of food from animal origin, , XXI
Congress of Chemists and Technologists of Macedonia, Book of abstracts, ACE-18,
23 – 26 September, Ohrid, Republic of Macedonia.
Elizabeta Dimitrieska-Stojkovic, Zehra Hajrulai-Musliu, Biljana StojanovskaDimzoska, Sonja Nikolova, Pavle Sekulovski, (2010) Implementacion of decision
2002/657/EC of screening Elisa methods for residues of veterinary drugs: examples
for banned and substances with MRL, , XXI Congress of Chemists and Technologists
of Macedonia, Book of abstracts, ACE-2123 – 26 September, Ohrid, Republic of
Macedonia.
Goran Stojkovic, Elizabeta Dimitrieska – Stojkovic (2010) Investigation of the
reactions of some tertiary formamides and acetamides in sulfuric acid with UV
spectroscopy, XXI Congress of Chemists and Technologists of Macedonia, Book of
abstracts, SSC-6, 23 – 26 September, Ohrid, Republic of Macedonia.
Todorovic Aleksandra, Sekulovski Pavle, Hajrulai-Musliu Zehra, DimitrieskaStojkovic Elizabeta, Anovski Todor, Dimitrovska Snezana (2010) Level of activities
of Cs137 in the mushrooms collected in different periods of the year, XXI Congress of
Chemists and Technologists of Macedonia, Book of abstracts, BFT-33, 23 – 26
September, Ohrid, Republic of Macedonia.
Hajrulai-Musliu Zehra, Uzunov R., Sekulovski P., Dimitrieska-Stojkovic Elizabeta,
Biljana Stojanovska-Dimzoska, Todorovic Sandra, Stojkovski V., (2010) Fatty acid
composition of Asparagus officinalis oils, Days of veterinary medicine, 28-30 October,
Ohrid, Republic of Macedonia.
Dimitrieska-Stojkovic Elizabeta, Hajrulai-Musliu Zehra, Stojanovska-Dimzoska
Biljana, Sekulovski P., Uzunov R., Prodanov R., (2010) Assesment of compliance of
raw milk samples from Republic of Macedonia for residues of tetracyclines according
to method performance requirements laid down in the commission decision
657/2002/EC, Days of veterinary medicine, 28-30 October, Ohrid, Republic of
Macedonia.
Хајрулаи-Муслиу З., Арапческа М., Узунов Р., Стојановска-Димзоска Билјана,
Димитриеска-Стојковиќ Елизабета, Тодоровиќ С., Стојковски В., Секуловски
П. (2010) Масно – киселински состав на семки од тиква, II Научна конференција
 Квалитет и безбедност на храна  со меѓународно учество, Факултет за
биотехнички науки – Битола, Битола 11-12 Ноември.
Тодоровиќ
Александра,
Секуловски
Павле,
Димитриеска-Стојковиќ
53.
54.
55.
56.
57.
58.
59.
60.
61.
62.
63.
64.
65.
66.
Елизабета, Хајрулаи-Муслиу Зехра, (2010) Рдиоактивен цезиум во храна и
проценка на ефективна доза во Република Македонија, II Научна конференција
Квалитет и безбедност на храна  со меѓународно учество, Факултет за
биотехнички науки – Битола, Битола 11-12 Ноември.
Uzunov Risto, Hajrulai-Musliu Zehra, Arapcheska Mila, Dimitrieska-Stojkovic
Elizabeta, Dimzoska-Stojanovska Biljana, Sekulovski Pavle, Stojkovski Velimir,
(2011) Milk fatty acid composition from two dairy breeds in Macedonia, Days of
veterinary medicine, Proceedings, p 102, 09-11 September, Ohrid, R. Macedonia.
Hajrulai-Musliu Zehra, Uzunov Risto, Dimitrieska-Stojkovic Elizabeta, DimzoskaStojanovska Biljana, Sekulovski Pavle, Stojkovski Velimir, (2011) Determination of
clenbuterol in meat samples with ELISA method, Days of veterinary medicine,
Proceedings, p 103, 09-11 September, Ohrid, R. Macedonia.
Dimitrieska-Stojkovic Elizabeta, Prodanov Risto, Hajrulai-Musliu Zehra, DimzoskaStojanovska Biljana, Sekulovski pavle, Uzunov Risto, (2011) Screening of raw milk
samples from Republic of Macedonia for residues of sulfonamides, Days of veterinary
medicine, Proceedings, p 106-107, 09-11 September, Ohrid, R. Macedonia.
Todorovic Aleksandra, Sekulovski Pavle, Dimitrieska-Stojkovic Elizabeta, HajrulaiMusliu Zehra (2011) Level of activity of 137Cs in mushrooms from different regions of
R. of Macedonia, Days of veterinary medicine, Proceedings, p 110, 09-11 September,
Ohrid, R. Macedonia.
Hajrulai-Musliu Zehra, Uzunov Risto, Dimitrieska-Stojkovic Elizabeta, DimzoskaStojanovska Biljana, Sekulovski Pavle, Stojkovski Velimir (2011) Determination of
aflatoxins B1, B2, G1 and G2 in animal feeds with fluorometric method, Book of
abstracts, 22th symposium of veterinarians of Serbia, 14-17september, Zlatibor,
Serbia
Zehra Hajrulai-Musliu, Mila Arapceska, Riste Uzunov, Biljana Stojanovska-Dimzoska,
Elizabeta Dimitrieska-Stojkovic, Velimir Stojkovski, Pavle Sekulovski (2011)
Therapeutic effects of goat milk, Balkan Journal of Clinical Laboratory, XIX, 11, 1
p.130.
Dimitrieska-Stojkovic Elizabeta, Hajrulai-Musliu Zehra, Stojanovska Dimzoska
Biljana, Sekulovski Pavle, Uzunov Risto, (2011) Screening of veterinary drugs
residues in milk from individual farms in Macedonia, Mak. Vet. Rev. 34(1) 5-13.
Zehra Hajrulai – Musliu, Dine Mitrov, Riste Uzunov, Mila Arapčeska, Biljana
Stojanovska – Dimzovska, Elizabeta Dimitrievska-Stojković, Velimir Stojkovski and
Pavle Sekulovski (2011). Fatty acid composition of traditional Ajvar produced in
Macedonina, Veterinary Food Hygiene Congress, 13 – 16 October, Antalya.
Todorovic Aleksandra, Sekulovski Pavle, Hajrulai-Musliu Zehra, Elizabeta
Dimitrieska-Stojkovic, Stojanovska-Dimzoska Biljana (2012). Differences in activity
levels of 137Cs in mushrooms in eastern and western Macedonia, The First
International Conference on Radiation and Dosimetry in Various Fields of Research,
Proceedings, p. 333-335, April 25-27, Nis, Serbia
E. Dimitrieska-Stojkovic, Z. Hajrulai-Musliu, B. Stojanovska-Dimzoska, P.
Sekulovski (2012). Screening and confirmation for residues of sulfonamides in raw
milk samples from Republic of Macedonia, EuroResidue VII – Conference on
Residues of Veterinary Drugs in Food, Proceedings, p. 323-328, May 14-16, Egmond
aan Zee, Netherlands.
Hajrulai-Musliu Zehra, Uzunov Risto, Dimitrieska-Stojkovik Elizabeta, StojanovskaDimzoska Biljana, Sekulovski Pavle, Stojkovski Velimir, Todorovic Aleksandra (2012).
Determination of zeranol residues levels in bovine urine with ELISA method, Days of
veterinary medicine, Proceedings, p. 123-126, 2-4 September, Ohrid
Uzunov Risto, Hajrulai-Musliu Zehra, Dimitrieska-Stojkovik Elizabeta, StojanovskaDimzoska Biljana, Sekulovski Pavle, Stojkovski Velimir, Todorovic Aleksandra (2012).
Determination of trenbolone in cattle meat with ELISA method, Days of veterinary
medicine, Proceedings, p. 127-131, 2-4 September, Ohrid
Mihajlović Jelena, Dimitrieska - Stojković Elizabeta, Velev Romel, Stojković Goran
(2012). Quality control of potentiated sulfonamide comercial veterinary formulations
by UV-spectrometry. Days of veterinary medicine, Proceedings, p. 159-163, 2-4
September, Ohrid
Stojanovska-Dimzoska Biljana, Hajrulai-Musliu Zehra, Dimitrieska-Stojkovik
Elizabeta, Uzunov Risto, Todorovic Aleksandra, Sekulovski Pavle (2012).
67.
68.
69.
70.
71.
72.
73.
74.
75.
76.
77.
78.
79.
80.
Fluorometric validation procedure for determination of Ochratoxine A in wine. Days of
veterinary medicine, Proceedings, p. 139-142, 2-4 September, Ohrid
Dimitrieska-Stojkovik Elizabeta, Stojanovska-Dimzoska Biljana, Hajrulai-Musliu
Zehra, Stojković Goran, Prodanov Risto (2012). Occurance of residues of
tetracyclines in raw ewe’s milk. Days of veterinary medicine, Proceedings, p. 149153, 2-4 September, Ohrid
Dimitrieska-Stojkovik Elizabeta, Arsova Gordana, Hajrulai-Musliu Zehra,
Stojanovska-Dimzoska Biljana, Uzunov Risto (2012). Results from monitoring the
edible animal tissues for residues of some veterinary drugs. Days of veterinary
medicine, Proceedings, p. 154-158, 2-4 September, Ohrid
Naumoska Marina, Dimitrieska-Stojkovik Elizabeta, Stojković Goran (2012).
Comparison of spectrophotometric and complexometric-spectrophotometric assay for
determination of oxytetracycline in veterinary drugs. Days of veterinary medicine,
Proceedings, p. 165-169, 2-4 September, Ohrid
Trajkovska Violeta, Dimitrieska-Stojkovik Elizabeta, Stojković Goran (2012).
Application of zero-and first-order derivative spectroscopy in the quality control of
veterinary drugs. Days of veterinary medicine, Proceedings, p. 170-175, 2-4
September, Ohrid
Todorovic Aleksandra, Sekulovski Pavle, Dimitrieska-Stojkovik Elizabeta, HajrulaiMusliu Zehra, Stojanovska-Dimzoska Biljana, Uzunov Risto (2012). Estimation of
time of semi-decay of 137Cs in mushrooms. Days of veterinary medicine,
Proceedings, p. 132-135, 2-4 September, Ohrid
Violeta Trajkovska, Elizabeta Dimitrieska-Stojkovic, Goran Stojkovic (2012),
Spectrophotometric Determination of Sulfadimidine and Sulfafurazole in Veterinarian
Medicinal Products, Book of Abstracts of XXII Congress of Chemists and
Technologists of Macedonia, 05-09 September, Ohrid.
Jelena Mihajlovic, Elizabeta Dimitrieska-Stojkovic, Goran Stojkovic (2012),
Spectrophotometric Determination of Sulfametoxazole and Trimethoprime in
Pharmaceutical Product, Book of Abstracts of XXII Congress of Chemists and
Technologists of Macedonia, 05-09 September, Ohrid.
Marina Naumoska, Elizabeta Dimitrieska-Stojkovic, Goran Stojkovic (2012),
Optimization and Method Validation for Assay Determination of Doxycycline,
Oxytetracycline and Tetracycline in Pharmaceutical Product, Book of Abstracts of
XXII Congress of Chemists and Technologists of Macedonia, 05-09 September,
Ohrid.
Risto Uzunov, Zehra Hajrulai-Musliu, Vlatko Ilieski, Biljana Stojanovska-Dimzoska,
Elizabeta Dimitrieska-Stojkovic, Pavle Sekulovski, Velimir Stojkovski (2012),
Validation methods for the determination of β-agonists residues in feed, 15th
International Feed Technology Symposium “FEED-TO-FOOD”/ COST FEED FOR
HEALTH joint Workshop, Proceedings, p. 88-93, 03-05 October, Novi Sad.
Elizabeta Dimitrieska-Stojkovic, Gordana Arsova, Zehra-Hajrulai-Musliu, Biljana
Stojanovska-Dimzoska, Risto Uzunov, Aleksandra Todorovic, Goran Stojkovic
(2012). In-house validation and quality control of commercial ELISA assays for
screening of nitofuran metabolites in food from animal origin, Mak. Vet. Rev. 35(1)
13-21.
Todorovik Aleksandra, Dimitrieska-Stojkovik Elizabeta, Hajrulai-Musliu Zehra,
Uzunov Risto, Stojanovska-Dimzoska Biljana (2012). Analysis of 226Ra, 232Th, 40K and
137Cs in sample soils from some areas of Republic of Macedonia by using gamma
spectroscopy, Mak. Vet. Rev. 35(2) 13-21.
Risto UZUNOV, Zehra HAJRULAI-MUSLIU, Elizabeta DIMITRIEVSKA-STOJKOVIC,
Biljana STOJANOVSKA-DIMZOSKA, Pavle SEKULOVSKI, Velimir STOJKOVSKI
(2013) Use of ELISA for Preliminary Screening of 19 Nortestosterone Anabolic
Steroid in Cattle Meat in Republic of Macedonia, Kafkas Univ.Vet.Fak.Derg. 19(1)
173-177.
Aleksandra Todorovik, Pavle Sekulovski, Elizabeta Dimitrieska Stojkovik, Zehra
Hajrulai-Musliu, Biljana Stojanovska Dimzoska and Risto Uzunov (2013)
Bioaccumulation of 40K and 137Cs in mushrooms collected in different locations in
Macedonia, 9th Symposium of the Croatian radiation protection, Proceedings, p.216220, 10-12 April, Krk Croatia.
Biljana Stojanovska-Dimzoska, Zehra Hajrulai-Musliu, Elizabeta Dimitrieska-
Stojkovic, Risto Uzunov, Pavle Sekulovski (2013). Occurrence of aflatoxins in
peanuts and peanut products determined by liquid chromatography with fluorescence
detection, Jour. Nat.Sci. Matica Srpska, Novi Sad, 124, 27-35.
81. Zehra Hajrulai-Musliu, Risto Uzunov, Velimir Stojkovski, Elizabeta DimitrieskaStojkovik, Biljana Stojanovska-Dimzoska, Pavle Sekulovski (2013). Determination of
clenbuterol in meat samples with ELISA and GC-MS method, 1st Annual International
Interdisciplinary Conference, AIIC 2013, 24-26 April, Azores, Portugal.
82. Todorovic Aleksandra, Sekulovski Pavle, Dimitrieska-Stojkovik Elizabeta, HajrulaiMusliu Zehra, Angelkovski Ljupco, Nikolovska Radmila, LEVEL OF RADIONUCLIDE
ACTIVITY IN ANIMAL FEED (2013). 20th International Conference KRMIVA 2013,
Book of abstracts, p 140, June 5-7, 2013.
83. Uzunov Risto, Hajrulai-Musliu Zehra, Stojanovska-Dimzoska Biljana, DimitrieskaStojkovic Elizabeta, Todorovic Aleksandra, Stojkovski Velimir (2013). Validation of
screening method for dfetermination of methyltestosterone in fish, Mak. Vet. Rev.
36(1) 19-23.
84. Dimitrieska-Stojkovik Elizabeta, Stojanovska-Dimzoska Biljana, Hajrulai-Musliu
Zehra, Ilievska Gordana, Todorovik Aleksandra, Uzunov Risto (2013). Occurrence of
patulin in apple-based juices and concentrates, 4th International Scientific Meeting –
Days of veterinary medicine, Proceedings, p. 96-97, 06-08 September, Struga.
85. Soklevska Marija, Dimitrieska-Stojkovic Elizabeta, Stojkovic Goran (2013).
Spectrophotometric determination of trimethoprim with bromcresol green in different
commercial formulations, 4th International Scientific Meeting - Days of veterinary
medicine, Proceedings, p. 98-99, 06-08 September, Struga.
86. Stojanovska-Dimzoska Biljana, Hajrulai-Musliu Zehra, Dimitrieska-Stojkovic
Elizabeta, Ilievska Gordana, Uzunov Risto, Todorovic Aleksandra (2013). Presence
of total aflatoxins in corn flour and polenta, 4th International Scientific Meeting - Days
of veterinary medicine, Proceedings, p. 102-103, 06-08 September, Struga.
87. Uzunov Risto, Hajrulai-Musliu Zehra, Angelova Aleksandra, Stojanovska-Dmizoska
Biljana, Dimitrieska-Stojkovic Elizabeta, Ilievska Gordana, Todorovic Miza
Aleksandra, Stojkovski Velimir (2013). Validation of ELISA method for detection of
trenbolone in bovine urine, 4th International Scientific Meeting - Days of veterinary
medicine, Proceedings, p. 106-107, 06-08 September, Struga.
88. Todorovik Aleksandra, Angelovski Ljupco, Dimitrieska-Stojkovik Elizabeta, HajrulaiMusliu Zehra, Uzunov Risto, Stojanovska-Dmizoska Biljana (2013). Activity of 137Cs
and 40K in sheep milk, 4th International Scientific Meeting - Days of veterinary
medicine, Proceedings, p. 114-115, 06-08 September, Struga.
89. Marija Soklevska, Elizabeta Dimitrieska-Stojkovic, Goran Stojkovic (2013) Uv/Vis
Spectrophotometric Determination of Trimethoprim with 2,4–dinitro-1–fluorobenzene
in Human and Veterinary Drugs, Book of abstracts, p 36, 10 th Congress of pure and
applied chemistry of students from Macedonia (with international participation), 17-19
October, Skopje.
90. Zejnep Sejfula, Elizabeta Dimitrieska-Stojkovic, Goran Stojkovic (2013) Uv/Vis
Spectrophotometric Studies of Zr(IV) Complexes with Chlorotetracycline, 4epiTetracycline and Metacycline, Book of abstracts, p 32, 10th Congress of pure and
applied chemistry of students from Macedonia (with international participation), 17-19
October, Skopje.
91. Todorovik Aleksandra, Arsov Ljubomir, Anovski, Uzunov Risto, Dimitrieska
Stojkovik Elizabeta, Zehra Hajrulai-Musliu, Transfer of 137Cs from soil to vegetative
crops, 15th International conference YuCorr, Proceedings, p. 171-175, 17-20
September, Tara, Serbia
92. Biljana Stojanovska-Dimzoska, Zehra Hajrulai-Musliu, Elizabeta DimitrieskaStojkovic, Risto Uzunov, Alaksandra Angeleska, Dean Jankuloski (2014), Validation
procedure for determination of zearalenone in cereals implementing Commission
Regulation 2006/401 and Commission Decision 2002/657/EC, Book of abstract P-53,
International VETIstanbul Group Congress 2014, 28-30 April, Istanbul, Turkey.
93. Zehra Hajrulai-Musliu, Risto Uzunov, Alaksandra Angelevska, Elizabeta
Dimitrievska-Stojkovic, Biljana Stojanovska-Dimzoska, Velimir Stojkoviski (2014),
Determination of fatty acid in asparagus with gas chromatography, Book of abstract
P-63, International VETIstanbul Group Congress 2014, 28-30 April, Istanbul, Turkey.
94. Alaksandra Angeleska, Risto Uzunov, Zehra Hajrulai-Musliu, Elizabeta Dimitrieska-
Stojkovic, Biljana Stojanovska-Dimzoska (2014), An evaluation of dose intensity due
to natural radioactivity in soil in the surrounding of Skopje, Book of abstract P-55,
International VETIstanbul Group Congress 2014, 28-30 April, Istanbul, Turkey.
95. Risto Uzunov, Zehra Hajrulai-Musliu, Biljana Stojanovska-Dimzoska, Elizabeta
Dimitrieska-Stojkovic, Aleksantra Todorovic, Velimir Stojkovski (2014) Detection of
methyltestosterone with ELISA method in fish, , Lecture abstracts of International
scientific workshop – INFLUENCE OF ACTIVE MINES ON FRESHWATER
ECOSYSTEMS, pp 33-34, May 12-16, Zagreb, Croatia
96. Zehra Hajrulai-Musliu, Risto Uzunov, Elizabeta Dimitrieska-Stojkovic, Biljana
Stojanovska-Dimzoska, Aleksantra Todorovic, Velimir Stojkovski (2014), Detection of
methyltestosterone with ELISA method in fish, Lecture abstracts of International
scientific workshop – INFLUENCE OF ACTIVE MINES ON FRESHWATER
ECOSYSTEMS, pp 32-33, May 12-16, Zagreb, Croatia.
97. Elizabeta Dimitrieska-Stojkovic, Biljana Stojanovksa-Dimzoska, Gordana Ilievska,
Katerina Davceva, Risto Uzunov, Aleksandra Angeleska, Zehra Hajrulai-Musliu,
Aleksandra Angelova (2014), Impact of climate changes on increased levels of
aflatoxins in feedstuffs and raw milk from Republic of Macedonia, Second
International Conference on Radiation and Dosimetry in Various Fields of Research
(RAD 2014), Book of Abstracts, p 16, 27-30 May 2014, Nis, Serbia.
98. Elizabeta Dimitrieska-Stojkovic, Biljana Stojanovksa-Dimzoska, Gordana Ilievska,
Katerina Davceva, Risto Uzunov, Aleksandra Angeleska, Zehra Hajrulai-Musliu,
Aleksandra Angelova (2014), Determination of increased levels of aflatoxins in
feedtuffs and raw milk in Republic of Macedonia applying screening and confirmatory
methods, Second International Conference on Radiation and Dosimetry in Various
Fields of Research (RAD 2014), Proceedings, pp 155-158, 27-30 May 2014, Nis,
Serbia.
99. Aleksandra Todorovic, Risto Uzunov, Zehra Hajrulai-Musliu, Elizabeta DimitrieskaStojkovic, Biljana Stojanovksa-Dimzoska, (2014) Natural radionucleides in soil
samples in the surrounding of the city of Skopje, Macedonia, Second International
Conference on Radiation and Dosimetry in Various Fields of Research (RAD 2014),
Book of Abstracts, p 432, 27-30 May 2014, Nis, Serbia.
100.
Angjeleska Aleksandra, Uzunov Risto, Crceva-Nikolovska Radmila,
Dimitrieska-Stojkovic Elizabeta, Hajrulai-Musliu Zehra, Stojanovska-Dimzoska
Biljana, Angelovski Ljupco (2014). Transfer of 40K and 226Ra from soil into crops, 21st
International Conference KRMIVA 2014, Book of abstracts, p 110, Opatija, Croatia,
June 4-6, 2014.