Ionut Stoica

Ionut Stoica
University of Bacau · Department of Biology, Ecology and Environmental Protection

PhD

About

26
Publications
41,737
Reads
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48
Citations
Citations since 2017
15 Research Items
31 Citations
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20172018201920202021202220230246810
20172018201920202021202220230246810
20172018201920202021202220230246810

Publications

Publications (26)
Article
Full-text available
The purpose of this study is to elaborate and validate a scale for the evaluation of the teachers’ attitude towards quality management, by integrating elements of online education. Nine hundred and forty-two teachers from Romania have participated in the study. The exploratory factor analysis has led to the identification of three main dimensions o...
Article
Full-text available
Our study aims to identify students’ attitudes towards the use of mobile technologies (MT) during learning activities in higher education. Data were collected using the Mobile Technologies Questionnaire/MTQ, a ten-item brief questionnaire that was designed to determine attitudes towards the use of mobile technologies in the learning process among u...
Conference Paper
The main aim of the research was to identify the attitude of pre-service and in-service Biology teachers towards the use of the Internet. In this research, the Internet Attitude Scale has been applied, a validated and standardized instrument. The scale was applied to 210 Biology teachers, of whom 155 are pre-service teachers and 55 are in-service t...
Article
Full-text available
87 dialysis patients aged between 21 and 88 years who were admitted to the Nephrology and Hemodialysis Section of the Bacau Emergency County Hospital during the year 2016 with various severe kidney diagnoses were investigated, most of whom had chronic renal disease or chronic renal failure in various stages. The serum levels of parathormone, calciu...
Article
Full-text available
Finding solutions to cope with the decline and extinction of amphibians is one of the greatest global challenges nowadays. Frogs, toads, salamanders, newts, and gimnophiona according to the International Union for Conservation of Nature (IUCN) estimate that at least one third of the known amphibian species are threatened with extinction, a higher r...
Article
Full-text available
During the 2014-2017 study, 226 wild animals and 140 domestic animals suspected of rabies were investigated. Laboratory analyzes were performed on a number of 366 samples by three working methods, namely the direct fingerprint immunofluorescence (IFD) test, the bioprobe of white laboratory mice and the histological examination. 147 cases of wild ra...
Article
Full-text available
The study presented is based on data provided by Katimed Medical Center Piatra Neamt. The research was performed on a group of 150 patients aged between 9 and 85 years, both female and male in the urban environment. All patients were evaluated for thyroid function as part of the routine evaluation prescribed by the family doctor or specialist. Horm...
Article
Full-text available
The paper presents the study of the effect of caffeine (coffeinum natrium benzoicum) and nicotine (α-pyridine-β-N-methylpyrrolidine) on mitotic division and chromosomal aberrations in anaphase and telophase in wheat roots (Triticum aestivum L.) of the above mentioned substances. The study was supplemented with observations on seeds germination and...
Article
Full-text available
The soluble sugars that are present in the haploid plants of 10-12 cm length obtained by gynogenesis „in vitro” via the culture of nonfertilized ovaries and ovules have been identified and quantitatively measured in wheat (Triticum aestivum L.), sugarbeet (Beta vulgaris L.), sunflower (Helianthus annuus L.) and potato (Solanum tuberosum L.) by usin...
Article
Full-text available
The paper presents a study on the assessment of male fertility by investigating 36 men who presented themselves at the "Dr. Popa Emilia "from Bacău during the period April - June 2016. Spermograms were used as working methods, taking into account: the umber of sperm, mobility, morphology, and pH, spermoculture carried out on blood-cultured jealousl...
Article
Full-text available
1016 patients diagnosed with neoplasm or suspicion of neoplasm from the Bacau Emergency County Hospital were investigated during the months of May, June and July 2016. Biopsy tissue fragments were processed and interpreted by the technique of the serial sections in the laboratory of pathological anatomy. Cases of cancer were recorded and processed...
Article
Full-text available
A study was conducted in the period 2013-2016 on a staff of 70 patients from the Hematology Department of the "St. Pantelimon" Emergency Hospital in Focsani, Vrancea County, with a diagnosis of multiple types of leukemias. Laboratory determinations have been performed in the S.C. Medcenter, S.R.L. The samples examined were taken prior to the introd...
Article
Full-text available
We investigated a number of 93 cases of acute nitrate poisoning in children of different sexes and ages, in urban and rural areas of Bacau County. The investigations were performed at the Public Health Department of Bacau, within the frame of the national prevention program for evaluating cases of acute infantile methemoglobinemia caused by water f...
Poster
Full-text available
The aim of the study is to perform a synthesis of the available bioremediation methods, to analyze their strengths and weaknesses, and also the possible threats on the environment or opportunities for future developments. Currently, remediation, decontamination, remediation and reintroduction in the normal soils - namely the transformation of so-ca...
Article
Full-text available
In the period March 2006 - April 2016 were identified a total of ten species of amphibians in Roman town, in the municipal park, on neighbouring farmland where there are irrigation ditches, in temporary and permanent pools, in the area of the bridge over Moldova River (joining Roman town with Cotu Vameş village), before its flowing into Siret River...
Article
Full-text available
The bioremediation of the soils which were contamined with oil hydrocarbons constitutes an active preoccupation on the national and international level as well. In this paper is presented the situation of soils from Romania regarding their pollution with oil hydrocarbons and are enumerated the most important bioremediation technologies and the most...
Article
Full-text available
They were investigated 30 men and 30 women with a diagnosis of hypertension. These subjects were studied biochemical response of the heart, aiming biochemical indicators of diagnostic value: triglycerides, cholesterol, HDL, LDL, creatinine, troponin T, lactad dehydrogenase, aminotransferase (SGOT, SGPT) and creatine that cause changes to the circul...
Article
Full-text available
This paper presents a study on localized intestinal parasites in children. Parasitological investigation was conducted at the Hospital "Saint Pantelimon" Focsani in summer and autumn of 2015. Were investigated 545 children (245 in summer and 303 in autumn). The total percentage of infection with intestinal parasites in summer ranged from 21.2% in J...
Article
Full-text available
The present paper includes the results of a complex study on algal, macroinvertebrate and fish communities from the Arieş catchment area. Biological samples of algae and macroinvertebrates were collected from 23 sampling sites in 2007 (spring, summer and autumn), while ichthyofauna was sampled from 15 sites in 2005, 2006 and 2007. Changes occurred...
Article
Full-text available
Recently, a rapid spread of some species of family Gobiidae upstream the Danube River and its tributaries has been observed. The distribution of gobiid species in the Yantra River (Danube tributary in Bulgaria) was studied. Four gobiid species (out of six species occurring in the Danube) were recorded: Neogobius fluviatilis, N. gymnotrachelus, N. m...
Article
Full-text available
Water quality assessment studies represent an important part of the monitoring programs. According to the new requirements of the European legislation, these ecological studies should focus on biotic communities. In case of lotic ecosystem monitoring, benthic assemblages, both algae and macroinvertebrates, are very accurate indicators of water qual...
Article
Full-text available
Growth biology for Rhodeus amarus population was estimated by means of several parameters, such as: length-weight correlation, size structure on age groups, mortality rate, productive potential (the turnover) and the physiological conditions of the bitterling population from the regulated catchment area of the River Bistriţa. Growth parameters for...

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Projects (5)