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Dr. Carmen Andreea Roba
Faculty of Environmental Science and Engineering, Babeș-Bolyai University, 30 Fântânele, 400294 Cluj-Napoca, Romania

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0 Water Chemistry
0 environmental geochemistry
0 Hydrochemistry
0 Soil analysis
0 Environmental quality assessment

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Journal article
Published: 13 August 2021 in Materials
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The compliance of crab shells traditionally used as a complex natural product for agricultural soil amendment with modern biofertilizers’ quality and safety requirements was investigated. Shells waste from the Blue crab, Callinectes sapidus and the Green crab, Carcinus aestuarii were tested for macronutrients, heavy metals, bacteria content, and antimicrobial properties. Such information is crucial for further utilization of the biogenic powders for any composite formulation in added-value by-products. The calcium carbonate-rich hard tissue yield was 52.13% ± 0.015 (mean ± S.D.) and 64.71% ± 0.144 from the blue and green crabs, respectively. The contents of Pb, Ni, Zn, Cr (VI), and Cu were several orders of magnitude below the prescribed limit by EU biofertilizer legislation, with Fe, Mn (not prescribed), and As being the most abundant. The content of As and Cd from the material considered here was within limits. The shells contain no colony-forming units of Salmonella spp. and compliant levels of Escherichia coli; moreover, the shell micro-powder showed dose-dependent growth inhibition of Pseudomonas aeruginosa and Staphylococcus aureus. In summary, the waste crab shells present a complex natural product as plant biofertilizer following the circular economy concepts.

ACS Style

Fran Nekvapil; Iolanda-Veronica Ganea; Alexandra Ciorîță; Razvan Hirian; Lovro Ogresta; Branko Glamuzina; Carmen Roba; Simona Cintă Pinzaru. Wasted Biomaterials from Crustaceans as a Compliant Natural Product Regarding Microbiological, Antibacterial Properties and Heavy Metal Content for Reuse in Blue Bioeconomy: A Preliminary Study. Materials 2021, 14, 4558 .

AMA Style

Fran Nekvapil, Iolanda-Veronica Ganea, Alexandra Ciorîță, Razvan Hirian, Lovro Ogresta, Branko Glamuzina, Carmen Roba, Simona Cintă Pinzaru. Wasted Biomaterials from Crustaceans as a Compliant Natural Product Regarding Microbiological, Antibacterial Properties and Heavy Metal Content for Reuse in Blue Bioeconomy: A Preliminary Study. Materials. 2021; 14 (16):4558.

Chicago/Turabian Style

Fran Nekvapil; Iolanda-Veronica Ganea; Alexandra Ciorîță; Razvan Hirian; Lovro Ogresta; Branko Glamuzina; Carmen Roba; Simona Cintă Pinzaru. 2021. "Wasted Biomaterials from Crustaceans as a Compliant Natural Product Regarding Microbiological, Antibacterial Properties and Heavy Metal Content for Reuse in Blue Bioeconomy: A Preliminary Study." Materials 14, no. 16: 4558.

Journal article
Published: 01 January 2020 in Carpathian Journal of Earth and Environmental Sciences
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George - Marian ISPAS, Carmen ROBA, Ramona BĂLC & Delia - Maria GLIGOR - THE CONTENT OF NUTRIENTS AND CONTAMINANTS IN SOIL AND VEGETABLES CULTIVATED IN SEVERAL GREENHOUSES FROM BOTOȘANI COUNTY AND THEIR IMPACT ON HUMAN HEALTH, Carpathian Journal of Earth and Environmental Sciences, August 2020, Vol. 15, No. 2, p. 415 – 428; Doi:10.26471/cjees/2020/015/141

ACS Style

George - Marian Ispas; Carmen Roba; Ramona Bălc; Delia - Maria Gligor. THE CONTENT OF NUTRIENTS AND CONTAMINANTS IN SOIL AND VEGETABLES CULTIVATED IN SEVERAL GREENHOUSES FROM BOTOȘANI COUNTY AND THEIR IMPACT ON HUMAN HEALTH. Carpathian Journal of Earth and Environmental Sciences 2020, 15, 415 -428.

AMA Style

George - Marian Ispas, Carmen Roba, Ramona Bălc, Delia - Maria Gligor. THE CONTENT OF NUTRIENTS AND CONTAMINANTS IN SOIL AND VEGETABLES CULTIVATED IN SEVERAL GREENHOUSES FROM BOTOȘANI COUNTY AND THEIR IMPACT ON HUMAN HEALTH. Carpathian Journal of Earth and Environmental Sciences. 2020; 15 (2):415-428.

Chicago/Turabian Style

George - Marian Ispas; Carmen Roba; Ramona Bălc; Delia - Maria Gligor. 2020. "THE CONTENT OF NUTRIENTS AND CONTAMINANTS IN SOIL AND VEGETABLES CULTIVATED IN SEVERAL GREENHOUSES FROM BOTOȘANI COUNTY AND THEIR IMPACT ON HUMAN HEALTH." Carpathian Journal of Earth and Environmental Sciences 15, no. 2: 415-428.

Journal article
Published: 20 December 2018 in Studia Universitatis Babeș-Bolyai Ambientum
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STUDIA UNIVERSITATIS - BIOLOGIA , CHEMIA , DRAMATICA , EDUCATIO ARTIS GYMNASTICAE , EPHEMERIDES , EUROPAEA , GEOGRAPHIA , GEOLOGIA , HISTORIA , INFORMATICA , IURISPRUDENTIA , MATHEMATICA , NEGOTIA , OECONOMICA , PHILOLOGIA , PHILOSOPHIA , PHYSICA , POLITICA , PSYCHOLOGIA-PAEDAGOGIA , SOCIOLOGIA , THEOLOGIA CATHOLICA , THEOLOGIA CATHOLICA LATINA , THEOLOGIA GRAECO-CATHOLICA VARADIENSIS , THEOLOGIA ORTHODOXA , THEOLOGIA REFORMATA TRANSYLVANICA

ACS Style

Cristina Roșu; Carmen Roba; Cezara Voica; Simina Bindiu. Chemical Characterisation of Acid Mine Drainage and its Impact on Surface Water Quality in the Former Mining Area of Valea Vinului (Bistrița County – Romania). Studia Universitatis Babeș-Bolyai Ambientum 2018, 63, 89 -100.

AMA Style

Cristina Roșu, Carmen Roba, Cezara Voica, Simina Bindiu. Chemical Characterisation of Acid Mine Drainage and its Impact on Surface Water Quality in the Former Mining Area of Valea Vinului (Bistrița County – Romania). Studia Universitatis Babeș-Bolyai Ambientum. 2018; 63 (2):89-100.

Chicago/Turabian Style

Cristina Roșu; Carmen Roba; Cezara Voica; Simina Bindiu. 2018. "Chemical Characterisation of Acid Mine Drainage and its Impact on Surface Water Quality in the Former Mining Area of Valea Vinului (Bistrița County – Romania)." Studia Universitatis Babeș-Bolyai Ambientum 63, no. 2: 89-100.

Journal article
Published: 07 October 2015 in Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Animal Science and Biotechnologies
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The printing, textile, wood and plastics industries have an important environmental impact, since they consume large amounts of water and produce highly polluted waste waters (Sostar-Turk et al. 2005). The current study aimed to investigate several effluents generated by different industries based on their physicochemical parameters and to evaluate their possible impact on the water body. Effluents from two printings, a textile, a wood and a plastics industry from Cluj County were analysed for various physicochemical parameters such as temperature, pH, biochemical and chemical oxygen demand, total dissolved solids, total suspended solids, total nitrogen, total phosphorus, ammonium, chloride, sulphate, petroleum ether extractible substances and detergents. The samples were analysed using the corresponding standard procedures SR ISO 105523-97, SR ISO 1899/1-03, SR ISO 6060-96, STAS 9187-84, STAS 6953-81, Merck 14543, Merck 14537, SR ISO 7150/1-01, EPA 375.4/05, SR IS 9297-01, SR ISO 7150/1-01, SR EN 903-03. The temperature, total dissolved solids, chloride, sulphate and detergents content of the effluents were within the permissible limits for surface water discharge, while the other parameters exceeded the limit set by legislation. The data of the present study showed that the analysed physicochemical parameters significantly varied with the effluent source. The study indicated a seasonal variation for several parameters, dictated by the production regime of the manufacture. In many cases the quality of the studied effluents was below the limits set by Romanian and UE legislation.

ACS Style

Florina Maria Copaciu; Carmen Roba; Ocsana Opriş; Andrea Bunea; Vioara Miresan. Assessment of Industrial Effluents Quality and their Possible Impact on Surface Water. Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Animal Science and Biotechnologies 2015, 72, 131-141 .

AMA Style

Florina Maria Copaciu, Carmen Roba, Ocsana Opriş, Andrea Bunea, Vioara Miresan. Assessment of Industrial Effluents Quality and their Possible Impact on Surface Water. Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Animal Science and Biotechnologies. 2015; 72 (2):131-141.

Chicago/Turabian Style

Florina Maria Copaciu; Carmen Roba; Ocsana Opriş; Andrea Bunea; Vioara Miresan. 2015. "Assessment of Industrial Effluents Quality and their Possible Impact on Surface Water." Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Animal Science and Biotechnologies 72, no. 2: 131-141.

Journal article
Published: 12 June 2015 in Environmental Science and Pollution Research
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Information about heavy metal concentrations in food products and their dietary intake are essential for assessing the health risk of local inhabitants. The main purposes of the present study were (1) to investigate the concentrations of Zn, Cu, Pb, and Cd in several vegetables and fruits cultivated in Baia Mare mining area (Romania); (2) to assess the human health risk associated with the ingestion of contaminated vegetables and fruits by calculating the daily intake rate (DIR) and the target hazard quotient (THQ); and (3) to establish some recommendations on human diet in order to assure an improvement in food safety. The concentration order of heavy metals in the analyzed vegetable and fruit samples was Zn > Cu > Pb > Cd. The results showed the heavy metals are more likely to accumulate in vegetables (10.8–630.6 mg/kg dw for Zn, 1.4–196.6 mg/kg dw for Cu, 0.2–155.7 mg/kg dw for Pb, and 0.03–6.61 mg/kg dw for Cd) than in fruits (4.9–55.9 mg/kg dw for Zn, 1.9–24.7 mg/kg dw for Cu, 0.04–8.82 mg/kg dw for Pb, and 0.01–0.81 mg/kg dw for Cd). Parsley, kohlrabi, and lettuce proved to be high heavy metal accumulators. By calculating DIR and THQ, the data indicated that consumption of parsley, kohlrabi, and lettuce from the area on a regular basis may pose high potential health risks to local inhabitants, especially in the area located close to non-ferrous metallurgical plants (Romplumb SA and Cuprom SA) and close to Tăuții de Sus tailings ponds. The DIR for Zn (85.3–231.6 μg/day kg body weight) and Cu (25.0–44.6 μg/day kg body weight) were higher in rural areas, while for Pb (0.6–3.1 μg/day kg body weight) and Cd (0.22–0.82 μg/day kg body weight), the DIR were higher in urban areas, close to the non-ferrous metallurgical plants SC Romplumb SA and SC Cuprom SA. The THQ for Zn, Cu, Pb, and Cd was higher than 5 for <1, <1, 12, and 6 % of samples which indicates that those consumers may experience major health risks.

ACS Style

Carmen Roba; Cristina Roşu; Ioana Piştea; Alexandru Ozunu; Calin Baciu. Heavy metal content in vegetables and fruits cultivated in Baia Mare mining area (Romania) and health risk assessment. Environmental Science and Pollution Research 2015, 23, 6062 -6073.

AMA Style

Carmen Roba, Cristina Roşu, Ioana Piştea, Alexandru Ozunu, Calin Baciu. Heavy metal content in vegetables and fruits cultivated in Baia Mare mining area (Romania) and health risk assessment. Environmental Science and Pollution Research. 2015; 23 (7):6062-6073.

Chicago/Turabian Style

Carmen Roba; Cristina Roşu; Ioana Piştea; Alexandru Ozunu; Calin Baciu. 2015. "Heavy metal content in vegetables and fruits cultivated in Baia Mare mining area (Romania) and health risk assessment." Environmental Science and Pollution Research 23, no. 7: 6062-6073.

Journal article
Published: 01 January 2015 in Environmental Engineering and Management Journal
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ACS Style

Maria L. Bizo; Carmen Roba; Erika A. Levei; Maria-Alexandra Hoaghia; Cristina O. Modoi; Alexandru Ozunu. COMPARISON OF FAAS AND XRF PERFORMANCE FOR METAL MONITORING IN BROWNFIELDS. Environmental Engineering and Management Journal 2015, 14, 2515 -2521.

AMA Style

Maria L. Bizo, Carmen Roba, Erika A. Levei, Maria-Alexandra Hoaghia, Cristina O. Modoi, Alexandru Ozunu. COMPARISON OF FAAS AND XRF PERFORMANCE FOR METAL MONITORING IN BROWNFIELDS. Environmental Engineering and Management Journal. 2015; 14 (11):2515-2521.

Chicago/Turabian Style

Maria L. Bizo; Carmen Roba; Erika A. Levei; Maria-Alexandra Hoaghia; Cristina O. Modoi; Alexandru Ozunu. 2015. "COMPARISON OF FAAS AND XRF PERFORMANCE FOR METAL MONITORING IN BROWNFIELDS." Environmental Engineering and Management Journal 14, no. 11: 2515-2521.

Journal article
Published: 01 January 2014 in Environmental Engineering and Management Journal
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ACS Style

Zoltán Török; Oana Cristina Modoi; Carmen Roba; Alexandru Ozunu. ENVIRONMENTAL RISKS DUE TO HEAVY METAL POLLUTION OF WATER RESULTED FROM MINING WASTES IN NW ROMANIA. Environmental Engineering and Management Journal 2014, 13, 2325 -2336.

AMA Style

Zoltán Török, Oana Cristina Modoi, Carmen Roba, Alexandru Ozunu. ENVIRONMENTAL RISKS DUE TO HEAVY METAL POLLUTION OF WATER RESULTED FROM MINING WASTES IN NW ROMANIA. Environmental Engineering and Management Journal. 2014; 13 (9):2325-2336.

Chicago/Turabian Style

Zoltán Török; Oana Cristina Modoi; Carmen Roba; Alexandru Ozunu. 2014. "ENVIRONMENTAL RISKS DUE TO HEAVY METAL POLLUTION OF WATER RESULTED FROM MINING WASTES IN NW ROMANIA." Environmental Engineering and Management Journal 13, no. 9: 2325-2336.

Journal article
Published: 01 January 2014 in Environmental Engineering and Management Journal
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ACS Style

Carmen Roba; Cristina Rosu; Horatiu Stefanie; Zoltán Török; Melinda Kovacs; Alexandru Ozunu. DETERMINATION OF VOLATILE ORGANIC COMPOUNDS AND PARTICULATE MATTER LEVELS IN AN URBAN AREA FROM ROMANIA. Environmental Engineering and Management Journal 2014, 13, 2261 -2268.

AMA Style

Carmen Roba, Cristina Rosu, Horatiu Stefanie, Zoltán Török, Melinda Kovacs, Alexandru Ozunu. DETERMINATION OF VOLATILE ORGANIC COMPOUNDS AND PARTICULATE MATTER LEVELS IN AN URBAN AREA FROM ROMANIA. Environmental Engineering and Management Journal. 2014; 13 (9):2261-2268.

Chicago/Turabian Style

Carmen Roba; Cristina Rosu; Horatiu Stefanie; Zoltán Török; Melinda Kovacs; Alexandru Ozunu. 2014. "DETERMINATION OF VOLATILE ORGANIC COMPOUNDS AND PARTICULATE MATTER LEVELS IN AN URBAN AREA FROM ROMANIA." Environmental Engineering and Management Journal 13, no. 9: 2261-2268.

Journal article
Published: 01 January 2013 in Environmental Engineering and Management Journal
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ACS Style

Carmen Roba; Cristina Rosu; Iulia Neamtiu; Eugen Gurzau. RP-HPLC ANALYSIS OF CARBONYL COMPOUNDS IN SOME INDOOR AIR SAMPLES IN A FACULTY FROM CLUJ-NAPOCA. Environmental Engineering and Management Journal 2013, 12, 219 -225.

AMA Style

Carmen Roba, Cristina Rosu, Iulia Neamtiu, Eugen Gurzau. RP-HPLC ANALYSIS OF CARBONYL COMPOUNDS IN SOME INDOOR AIR SAMPLES IN A FACULTY FROM CLUJ-NAPOCA. Environmental Engineering and Management Journal. 2013; 12 (2):219-225.

Chicago/Turabian Style

Carmen Roba; Cristina Rosu; Iulia Neamtiu; Eugen Gurzau. 2013. "RP-HPLC ANALYSIS OF CARBONYL COMPOUNDS IN SOME INDOOR AIR SAMPLES IN A FACULTY FROM CLUJ-NAPOCA." Environmental Engineering and Management Journal 12, no. 2: 219-225.