Savka Adamovic

• Master of Chemistry and PhD of Graphic Engineering and Design
• Associate Professor at University of Novi Sad

Replacing the alkyl lead derivatives with aromatic hydrocarbons and additives in modern reformulated fuels to improve internal combustion engine performance, lower fuel consumption, increase power, and improve emission characteristics have resulted in the emission of large quantities of BTEX (benzene, toluene, ethylbenzene, and xylene) compounds in...

This study investigates the effectiveness of two outreach strategies, reciprocation and conventional, on the response times of Instagram pet influencers when collaborating with a small business. Drawing from the principle of reciprocity, we aimed to determine whether offering upfront favours in the form of digital pet portraits leads to faster infl...

One of the most challenging and maybe most important tasks of working as a professor and instructor is creating a purposeful and engaging curriculum program. To convey the right theoretical information and practical knowledge, professors go through an iterative process of learning through self- education, teaching, correcting, and adjusting their t...

Particulate matter (PM) emitted during the digital printing process is potentially dangerous in the sense that it penetrates deep into the operator's lungs. The mass concentration levels of PM1, PM2.5, and PM10 particles emitted in the working environment of digital machines were measured after applying two sampling methods, spatial and individual....

In this research we proposed and tested a solution for improving lightfastness of paperboard electrophotographic prints – enhancing the printed material with inks containing pearlescent pigments. The goal was to analyze how pearlescent pigments’ composition and the size of their particles affect lightfastness, and to assess whether this important p...

Koncentracije individualnih i ukupnih lakoisparljivih organskih jedinjenja emitovanih iz grafičkih boja u vazduh učionice detektovane su u radu. Kvantitativna analiza lakoisparljivih organskih jedinjenja emitovanih iz procesnih ofset i tampon grafičkih boja na bazi rastvarača sprovedena je primenom gasno hromatografske metode.

This paper examines the distribution of potentially toxic elements (PTEs) among various soil particle sizes, with a focus on Fluvisol soils in Novi Sad, Serbia, which are distinguished for their high sand content. Potentially toxic elements (PTEs), as As, Co, Cr, Cu, Mn, Ni, and Pb were analyzed in urban soil in the vicinity of major roads and dist...

In today’s digital era, social media platforms have become crucial channels for businesses to connect with their target audience and foster brand awareness. This study delves into the realm of print industry companies, predominantly operating in the business-to-business (B2B) sector, and investigates their marketing efforts on social media platform...

The continuous advancements in inkjet printing technology have revolutionized the field of ceramic tile manufacturing, enabling the production of intricate designs and high-resolution images on various surfaces. However, the durability and resistance of these printed designs to harsh chemical environments remain a critical concern. This study analy...

Artificial intelligence has entered into many aspects of our lives, and design is by no means an exception. In the last couple of years, we have witnessed rapid development in this segment. Many new solutions have emerged, flooding the software market and offering designers opportunities to change the way they create and collaborate. In this articl...

Cilj rada je identifikacija osobina otpada u odabranim fazama proizvodnje tetra-pak ambalaže kako bi se generisani otpad kategorisao u odgovarajuću grupu. Dodatna karakterizacija otpada izvršena je na osnovu parametara C, Q, R, Y i H liste. Kroz 3R koncept utvrđeno je da li je nastali otpad moguće: obnoviti, ponovo upotrebiti, ili reciklirati.

Artificial intelligence has entered into many aspects of our lives-from virtual assistants and Netflix's recommendations, to fraud prevention and autonomous vehicles. In this paper we present an overview of the current use of artificial intelligence in printing industry. We discuss what does it imply for printers and clients, and how it might be us...

The concentration levels of ground-level ozone in the flexographic printing plant were determined in two campaigns during five working days. The first campaign was conducted in the middle, and the second at the end of the eight-hour working time. In the second campaign, the mean ozone values per day (3.81, 3.60, 4.25, 4.71, and 3.18 μg/m3) were alm...

Throughout this research, evidence has been accumulating on the positive impact of educational games (serious games) on students' learning and achievement and the impact of non-educational games on different psycho-physical traits. Today's dynamic way of life and almost innate familiarity with technology opens many new possibilities for teaching an...

Priroda i količina pigmenata u grafičkoj boji definišu njena svojstva (obojenost, postojanost, trajnost, itd.), konzistenciju, vizuelni identitet i cenu. Takođe i vizuelni identitet konačnog suvog otiska boje zavisi od kvaliteta i postojanosti otiska na uslove okoline. Cilj rada je procena uticaja starenja pri određenim operativnim uslovima na ukup...

The need for successful self-directed distance learning is not a new construct in education. However, the circumstances surrounding the emergence of the COVID-19 pandemic have emphasized the weaknesses of distance learning. The transition of students to distance learning has become inevitable. In current times, educators' task is to ensure the same...

In this work we wanted to determine how students of Graphic engineering and design perceived online learning a year after the transition from traditional to online classes. The goal was to better understand problems, challenges, and good sides of online learning in this study field, and determine factors that impede knowledge transfer. The students...

U radu je procenjena efikasnost adsorpcionog tretmana sa nanomaterijalom za smanjenje organskog opterećenja otpadnog ofset sredstva za vlaženje. Efikasnost tretmana adsorpcije utvrđena je na osnovu smanjenja koncentracije ukupnog organskog ugljenika iz ofset efluenta sa odgovarajućom dozom nanomaterijala. Za određivanje mehanizma adsorpcije ispitiv...

Polymers are some of the most used materials in 3D printing, and due to a variety of printing techniques, myriad types of polymers are available on the market. New materials are constantly introduced, and the existing ones are improved and combined to fulfill specific requirements of the future manufactured products. This practice has a significant...

U radu je sprovedena kinetička studija elektrokoagulacionog uklanjanja bakra iz otpadnog ofset razvijača da bi se utvrdila korelacija između operativnih promenljivih (kombinacije elektroda, međuelektrodnog rastojanja i gustine struje) samog procesa i konstante brzine reakcije uklanjanja bakra iz ofset efluenta.

In this work we were interested in how lecturers at the department of Graphic engineering and design perceived online teaching during Covid-19 pandemic, what they think are the main problems, advantages and disadvantages of online approach, and what were the biggest challenges they were facing in their work so far. Our colleagues filled a survey to...

Dissecting a human cadaver is an irreplaceable practice in general training of medical students. Cadavers in anatomy laboratories are usually preserved in formalin, an embalming fluid whose basic component is formaldehyde (FA). The aim of this study is to assess the cancer risk of employees and students that are exposed to FA based on the results o...

Detekcija i kvantifikacija emitovanih PM1, PM2,5 i PM10 suspendovanih čestica tokom rada uređaja za FDM tehniku štampe primenom različitih filamenata sprovedene su u dve kampanje merenja, sa zatvorenim i otvorenim prozorima, kako bi se utvrdilo koja radna sredina je bolja za operatera.

Today, 3D printing is taking its constantly growing part in a lot of different manufacturing industries, educational institutions and a lot of entrepreneurship and home businesses. Besides prototyping and proof of concept, utilization of 3D printing is undoubtedly spreading its roots in manufacturing of production and spare parts but also in aiding...

The revolution in the printing industry started by digital printing has resulted in the introduction of personalised production of small runs, fast job changes and short deadlines. By introducing digital printing into mainstream and production focus, even for the largest printing machine manufacturers, a new era of the graphic industry has just beg...

The validation of the extraction method is significant for the characterization of the offset effluent and the selection of an adequate effluent treatment for its safe disposal in a printing environment. For the aforementioned reasons, the qualitative characterization of the organic load profile of the waste offset developer was evaluated based on...

The digital printing process contributes to the quality of indoor air through the emission of chemical stressors such as total volatile organic compounds (TVOCs) and suspended particulate matter (SPM). The concentration levels of SPM and TVOCs were determined using the gravimetric and gas chromatography method, respectively. The results show that t...

Nowadays, the conventional learning process is in crisis. Keeping students' attention has become a big challenge. The highest drop-out rate occurs at the beginning of the learning process when knowledge is low, and the amount of new, unknown material is the highest. It is at this stage, according to authors, when it is necessary to make an eff ort...

The paper presents the study of the temperature influence on the colorimetric properties of leuco dye-based screen printing thermochromic ink to determine the printing parameters that will give a good colour response during the cooling of the heated samples. Four specific groups of textile materials were used and the colorimetric properties of mage...

Ekološki uticaj mangana na grafičko okruženje utvrđen je kroz određivanje sadržaja mangana u štampanim ofset uzorcima i migracije mangana iz uzoraka u deponijsko tlo, kiseo i neutralan rastvor. Takođe, izvršena je i procena rizika migracije mangana određivanjem doze koja je dospela u medij životne sredine.

The electrocoagulation/flotation treatment (ECF) was employed for the reduction of copper from the waste printing developer in a batch study by using four different aluminum and iron electrode combinations with independent ECF parameters such as current density, interelectrode distance and operating time. The individual and interactive effects of t...

The results of the research in the field of benzene, toluene, ethylbenzene and xylene isomers (BTEX) concentrations in exhaust gases of spark ignition engines under different operating conditions are presented in this paper. The aim of this paper is to gain a clearer insight into the impact of different engine working parameters on the concentratio...

Vehicles are the dominant source of many air pollutant emissions in urban areas. The effects caused by vehicle emissions have been receiving increasing attention, and recent epidemiological studies show elevated risks of cardiovascular morbidity, cancer, allergic diseases for drivers, commuters and individuals living near roadways. During the exper...

Investigations conducted in this paper are the result of testing of emission characteristics of internal combustion (IC) engine. Emission characteristics of Fiat 1.1 EFI engine were examined at different engine speed, variable load, varying the air-fuel ratio in the supply mixture. During this research the individual and joint effect of operating p...

In the printing plate developing process, the offset printing developer undergoes changes, as well as enrichment by the various chemicals, i.e. metals, organic binders and photosensitive compounds. The objective of this study was to investigate the electrocoagulation/flotation (ECF) treatment efficiency for the removal of copper, turbidity and orga...

Due to the technological development of the graphic production, the environment is being faced with a large amount of printed graphic product wastes, especially packaging materials (paper, cardboard, paper and plastic bags, films, etc), but it is also being faced with the problem of their disposal. Many printing inks and coatings used in the produc...

The objective of this study was to investigate the possibility of heavy metals (copper, zinc and nickel) removal from the waste fountain solution by the electrocoagulation/flotation (ECF) treatment. After the printing process, the fountain solution changes its composition due to direct contact with different printing materials (plates, inks, etc.)...

In sheet-fed offset printing technique, a sufficiently high contact pressure between blanket and impression cylinders needs to be applied for the adequate ink transfer onto printing substrate. The aim of this research is to investigate dependence of different print quality parameters on applied printing pressure levels between blanket and impressio...

This study includes the analysis of 23 physico-chemical parameters of spent fountain solutions from 8 printing facilities (PFs) of Novi Sad, Serbia. Spent fountain solution samples were collected once per one hour during 8-hr working shift from sheet-fed and web-fed offset printing presses and analyzed using the standard procedures. Multivariate st...

This study was conducted to evaluate the potential of the fired clay of a specific pore structure in the removal process of toxic Zn2+ ions from a waste printing developer. The adsorption tests were conducted in a batch process. The experimental data were analyzed by using Langmuir, Freundlich and Dubinin–Kaganer–Radushkevich (DKR) isotherm models....

From incomplete carbon reactions, unburned hydrocarbons or other elements present in the fuel or air during combustion. These processes produce pollutants of various species, including carbon monoxide, soot, various gaseous and liquid vapour hydrocarbons, oxides of sulphur and nitrogen, sulphate and nitrate particulates, ash and lead. These primary...

The correlation models were applied to assess the mutual dependencies of the ozone concentrations on the sampling time and sampling points as an extension of our previous investigations. There is no significant mutual dependence, but there are some observable linear and non-linear correlations with sampling time. Correlation of ozone concentration...

In this article, the technical feasibility of various commercial adsorbents (activated carbon, clinoptilolite, and their mixture) for removal of Cr(total) ions from waste printing developer has been represent. Experimental tests were performed in laboratory batch mode. The adsorption data were analyzed using the Freundlich, Langmuir and Dubinin-Kag...

This study was concerned with the possibility of removal of heavy metal ions, Cr(total), Zn(II) and Cu(II) from spent printing developer by adsorption using low-cost materials: natural zeolite (NZ, clinoptilolite), activated carbon (AC, Norit Row 0.8 Supra) and their mixture (NZ + AC). Concentrations of Cr(total), Zn(II) and Cu(II) were determined...

The presence of formaldehyde in indoor air samples has been detected in five screen printing facilities of Novi Sad, Serbia. Air was sampled five times during one working week for each screen printing facility. The sampling was conducted continuously during 4 hours. The concentrations of formaldehyde were determined by UV-VIS spectrometry at 580 nm...

The aim of this study was to determine noise level of six different types of machines in printing companies in Novi Sad. The A-weighted levels on L eq, L max and L min Sound Pressure Level (SPL) in dBA were measured. It was found that the folders, offset printing presses and binding machines are the predominant noise sources. The noise levels produ...

Most often the contaminants are not taken seriously into consideration, and this behavior comes out directly from the lack of monitoring and professional reporting about pollution in the printing facilities in Serbia. The goal of planned and systematic ozone measurements in ambient air of the screen printing facilities in Novi Sad is to examine of...