Laboratory for physical chemistry of traces

Laboratory for physical chemistry of traces

The equilibrium conditions, kinetics and mechanisms of biogeochemical interactions of heavy metals with macro- and micro-constituents and organic matter in the model and natural aquatic systems are investigated. Analytical techniques for the metal speciation measurements are improved and the reactivity of heavy metals is studied. Electrochemical reactions that start at the contact of an electrode, a liquid electrolyte and insoluble micro-particles of electro-active solids are examined by voltammetric, amperometric, potentiometric and chronocoulometric methods, with the purpose to explain the mechanisms of electrode reactions of micro-crystals of various organic compounds. 

Marina Mlakar

Head

Marina Mlakar

+385 1 456 1190
left right

The members of laboratory are involved in fundamental and applied electrochemical research and in determinations of traces of matter in the environment by complementary physical and chemical methods. The equilibrium conditions, kinetics and mechanisms of biogeochemical interactions of heavy metals with macro- and micro-constituents and organic matter in the model and natural aquatic systems are investigated. Analytical techniques for the metal speciation measurements are improved and the reactivity of heavy metals is studied. Electrochemical reactions that start at the contact of an electrode, a liquid electrolyte and insoluble micro-particles of electro-active solids are examined by voltammetric, amperometric, potentiometric and chronocoulometric methods, with the purpose to explain the mechanisms of electrode reactions of micro-crystals of various organic compounds. 

 

Abra Penezić
PhD

research assistent
+385 1 456 1190
1490 1846

Ana-Marija Cindrić
PhD

Postdoc student
+385 1 457 1246
1298 1448

Anđela Bačinić

+385 1 456 1190
1490 1846

Dario Omanović
PhD

Senior researcher
+385 1 468 0231
1298 1863

Dijana Jadreško
B. Sc.

assistant
+385 1 456 1181
1581

Marina Mlakar

+385 1 456 1190
1490 1846

Petra Vukosav
Ph.D.

research associate
+385 1 456 1190
1490 1846

Stanislav Frančišković-Bilinski
dr.sc.

higher research associate (at position of research associate)
+385 1 456 1081
1481

Vlado Cuculić
PhD

Senior scientific associate
+385 1 456 1190
1490 1846
Anchialine cave Čapljina

Anchialine cave Čapljina

Glavni istraživač / voditelj: Neven Cukrov

Research of anchialine cave „Jama u Čapljini“

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Anchialine cave Vodena Jama

Anchialine cave Vodena Jama

Glavni istraživač / voditelj: Neven Cukrov

Research of anchialine cave „Vodena Jama“

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Appearance and interaction of biologically important organic molecules and micronutrient metals in marine ecosystem under environmental stress (AMBI...

Appearance and interaction of biologically important organic molecules and micronutrient metals in marine ecosystem under environmental stress (AMBI...

Glavni istraživač / voditelj: Blaženka Gašparović

The main aim of the project is to investigate quality and quantity of the seawater organic matter (lipids, acidic polysaccharides and polymeric organic matter containing N catalytic atoms) that is produced in the altering environment. Ecosystem changes that will be followed imply opposite nutritional regimes, oligotrophy and eutrophy, and temperature variations. Further on, this project aims to clarify how variations in the concentrations and forms of these organic substances are reflected in the availability and cycling of micronutrients metals of interest, being Fe, Co, Cu, Zn and Cd.

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Calibrations of paleoenvironmental records in (sub)recent tufa

Calibrations of paleoenvironmental records in (sub)recent tufa

Glavni istraživač / voditelj: Neven Cukrov

The aim of the study was to compare for the first time environmental records (stable isotope ratios, metal concentrations and radionuclide activities) obtained from the recent tufa with those from ambient water where tufa precipitated for the first time.

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Determination of ecotoxic metals in water environment of Rijeka harbor using passive samplers

Determination of ecotoxic metals in water environment of Rijeka harbor using passive samplers

Glavni istraživač / voditelj: Neven Cukrov

Continuous monitoring of trace metal concentrations in the Port of Rijeka using passive samplers („Diffusive Gradients in Thin films – DGT“).

2011.-2012., client The Port of Rijeka Authority (http://www.portauthority.hr/,) head of the project Ph.D. Neven Cukrov

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Determination of ecotoxic metals load and evaluation of drainage water influence of Zagreb roundabout on Mala mlaka waterwell's,

Determination of ecotoxic metals load and evaluation of drainage water influence of Zagreb roundabout on Mala mlaka waterwell's,

Glavni istraživač / voditelj: Neven Cukrov

Determination of ecotoxic metals fro subterranean waters from Mala mlaka water field

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Determining the history of antropogenic influence on sediments in Port of Rijeka

Determining the history of antropogenic influence on sediments in Port of Rijeka

Glavni istraživač / voditelj: Neven Cukrov

We studied metal pollution in the sediments of Rijeka harbor, including anthropogenic influence during recent decades and at the present time.

2008, client The Port of Rijeka Authority (http://www.portauthority.hr/, head of the project Ph.D. Neven Cukrov

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Development of voltammetric methods for the characterisation of natural antioxidant

Development of voltammetric methods for the characterisation of natural antioxidant

Glavni istraživač / voditelj: Šebojka Komorsky-Lovrić

Oxidant is an ion or a compound that reacts with a certain component of a living cell and oxidizes it. The reactive oxygen species produced in cells include hydrogen peroxide, hypochlorous acid, hydroxyl radical and superoxide anion. Antioxidant is a foreign substance that reacts with the oxidant faster than the components of the cell. An imbalance between oxidants and antioxidants in favour of the oxidants is termed oxidative stress. Antioxidants act as free radical scavengers and therefore can lower the risk of numerous degenerative diseases by preventing damages caused by free radicals. Fruits and vegetables are the major sources of antioxidants in human diet. Several natural compounds found in food, such as polyphenols, vitamins A and E, and some carotenoids, have been found to show excellent antioxidant activity. Chlorophylls and their derivatives have also been reported to possess this activity. However, literature is still scarce regarding their antioxidant properties. It is known that the amount of each antioxidant in fruits, vegetables and their derivatives is strongly influenced by numerous factors such as agro-technical processes, environmental conditions, processing factors and storage conditions. Continuous monitoring of antioxidant capacity of plant-based foods through different phases, from cultivation to storage, is needed to maintain or even improve the beneficial properties of food. The goal of this project is to develop several cyclic multi-pulse voltammetric techniques for the characterization of natural antioxidants and to apply them in routine analysis of food quality. Experimental results will be explained by the comparison with the theoretical simulation of responses of various electrode mechanisms of independent and conjugated multiple redox centers.

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Environmental impact assessment of Mandalina - Kuline Harbour

Environmental impact assessment of Mandalina - Kuline Harbour

Glavni istraživač / voditelj: Neven Cukrov

Environmental impact assessment of Mandalina - Kuline Harbour

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Geochemistry of ecotoxic metals in National Park " Krka " aquatoria

Geochemistry of ecotoxic metals in National Park " Krka " aquatoria

Glavni istraživač / voditelj: Neven Cukrov

Determination of spatial distributions of trace metal concentrations in the Krka River, and the parameters which influence this distribution.

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Geochemistry of ecotoxic trace metals in water, air and anchialine caves of Mljet National Park

Geochemistry of ecotoxic trace metals in water, air and anchialine caves of Mljet National Park

Glavni istraživač / voditelj: Vlado Cuculić

This project concluded the first systematic research on spatial and temporal distribution of ecotoxic trace metals (Cd, Cu, Hg, Pb and Zn) in aquatic anchialine ecosystems

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Hydrogeological investigations of the upper flow of Kupa River and its tributaries

Hydrogeological investigations of the upper flow of Kupa River and its tributaries

Glavni istraživač / voditelj: Stanislav Frančišković-Bilinski

The main objective of the project is to perform hydrogeological investigations to define exact origin of water of the Kupa River.

Hypothesis is that the sources of Kupa and Rječina rivers (belonging to Black Sea and Adriatic Sea watersheds respectively) both originate from the same groundwater body situated at the boundary of the two watersheds under the mountain Risnjak. The two sources are at the distance of 22 km, at 313 and 385 meters above sea level, respectively.

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Influence of the water mass circulation on spatial and temporal distribution of ecotoxicants in Malo jezero and Veliko jezero lakes of Mljet Nationa...

Influence of the water mass circulation on spatial and temporal distribution of ecotoxicants in Malo jezero and Veliko jezero lakes of Mljet Nationa...

Glavni istraživač / voditelj: Vlado Cuculić

The distribution pattern of ecotoxic trace metals Cd, Co, Cu, Hg, Ni, Pb and Zn in marine lakes (Malo jezero and Veliko jezero), which could be harmful for the water ecosystem biodiversity of the Mljet National Park, will be established

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Integration of geo-chemical laboratory techniques, in situ field measurement, and hyperspectral air-borne remote sensing for environmental risk asse...

Integration of geo-chemical laboratory techniques, in situ field measurement, and hyperspectral air-borne remote sensing for environmental risk asse...

Glavni istraživač / voditelj: Stanislav Frančišković-Bilinski

The aim of the proposed bilateral project is to start a long term co-operation between two departments having similar scientific interests and results in the field of analysis and risk assessment of environmental heavy metal contamination, however, using different research approaches. Combining the techniques, which are, even separately, at the frontline of scientific applications, an integrated, highly precise and generally applicable method will be developed, validated and tested. Three approaches will be integrated including high scale hyperspectral air-borne imaginary of high resolution, X-ray fluorescent spectrometry for non-destructive in situ measurement with many sampling points to work out adequate and most reliable sampling strategy, and high tech laboratory techniques for geochemical analyses.

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Investigations of ecotoxic trace metals in waters, sediment and biota in Mljet National Park

Investigations of ecotoxic trace metals in waters, sediment and biota in Mljet National Park

Glavni istraživač / voditelj: Vlado Cuculić

For the first time, spatial and temporal distributions of Hg, Cd, Pb, Cu and Zn trace metals in seawater, sediment and biota of the Mljet National Park were investigated

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Monitoring the fish farm RibarstvoF, Cres island

Monitoring the fish farm RibarstvoF, Cres island

Glavni istraživač / voditelj: Neven Cukrov

Monitoring the sediment quality below fish farm.

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Significado ambiental (climático e hidrológico) de registros tobáceos fluviales de la Cordillera Ibérica monitorizados entre 1999 y 2009.Compara...

Significado ambiental (climático e hidrológico) de registros tobáceos fluviales de la Cordillera Ibérica monitorizados entre 1999 y 2009.Compara...

Glavni istraživač / voditelj: Neven Cukrov

Comparison of paleoenvironmental data from tufa precipitate in Croatia, Slovenia and Spain.

Project - Spanish Ministry of Science and Innovation (2010-2012). Croatian head of project dr.sc. Neven Cukrov

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Trace metals analysis in subterranean waters of Petruševec water well’s

Trace metals analysis in subterranean waters of Petruševec water well’s

Glavni istraživač / voditelj: Neven Cukrov

Trace metals analysis in subterranean waters of Petruševec water well’s, as attempt to achieve real concentrations.Client City of Zagreb

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2012 10 Voltammetry and GEOTRACES

2012 10 "Voltammetry and GEOTRACES" Šibenik, 2012

2005 04 - IRB-dani

2005 04 - Otvoreni dani na IRB-u

2005 04 - Otvoreni dani na Institutu Ruđer Bošković

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2005 02 - NP Mljet & Kaštela

2005 02 - Nacionali park Mljet & Kaštela

Uzorkovanje - Nacionalni park Mljet & Kaštela

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2005 01 - NP Krka

2005 01 - Nacionalni park Krka

Uzorkovanje i terenski rad - Nacionalni park Krka

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2004 11 - NP Krka

2004 11 - Nacionalni park Krka

Terenski rad u Nacionalnom parku Krka i rad u laboratoriju u Istraživačkoj postaji Martinska ( kraj Šibenika)

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2003 11 - Luka Rijeka

2003 11 - Luka Rijeka

Uzorkovanje morske vode i sedimenata u Luci Rijeka

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Organic Ligands

Workshop and Symposium „Organic Ligands - A Key Control of Trace Metal Biogeochemistry in the Oceans“

At the Marine station Martinska, and in Town library „Juraj Šižgorić“ in Šibeniku from 7th to 11th April 2015. Workshop and Symposium  „Organic Ligands - A Key Control of Trace Metal Biogeochemistry in the Oceans“ will take place.

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Voltammetry Workshop COST Action ES0801

Voltammetry Workshop

In the framework of the COST action ES801 "The Ocean Chemistry of Bioactive Trace Elements and Paleoclimate Proxies" we would cordially invite you to a marine voltammetry themed workshop:“Voltammetry and GEOTRACES“. The workshop will be held in Šibenik, Croatia, at the Rudjer Boskovic Institute marine station Martinska, from October 6th to October 9th 2012. 

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2nd Symposium on “Anchialine Ecosystems”

2nd Symposium on “Anchialine Ecosystems”

Inspired by the success of a 1st Symposium on “Anchialine Ecosystems: Reflection and Prospects”, that was held in Palma de Mallorca 2009*, we are pleased to invite you to participate in the 2nd Symposium on “Anchialine Ecosystems” in Cavtat, Croatia, on 3-6 October, 2012.

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