Stanković, S.

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  • Stanković, S. (6)
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Author's Bibliography

Oxidative Stress in Differentiated Thyroid Cancer Patients After Radioiodine Treatment

Spasojević-Tišma, V.; Jeremić, M.; Pejić, Snežana; Drakulić, Dunja R.; Stanković, S.; Košutić, D.; Todorović, Ana

(Berlin ; Boston : Walter de Gruyter, 2023)

TY  - CONF
AU  - Spasojević-Tišma, V.
AU  - Jeremić, M.
AU  - Pejić, Snežana
AU  - Drakulić, Dunja R.
AU  - Stanković, S.
AU  - Košutić, D.
AU  - Todorović, Ana
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12865
AB  - BACKGROUND-AIM Differentiated thyroid cancer (DTC) is the most rapidly diagnosed cancer worldwide and the most frequent endocrinemalignancy, comprised of differentiated subtypes, specifically papillary and follicular thyroid cancer. Thyroidectomyis currently the preferred treatment for DTC. However, adjuvant therapy in the form of radioactive iodine (131I) is oftenadministered to reduce the risk of tumor recurrence and to facilitate future cancer surveillance. As 131I treatmentadditionally might upregulate oxidative stress regularly observed in thyroid cancer patients, the aim of our study wasto investigate the alterations in the levels of glutathione (GSH), superoxide anion (O2-), nitric oxide (NO) and activityof superoxide dismutase (SOD) in blood of DTC patients treated with 131I. METHODS All investigated parameters were determined with well-established spectrophotometric methods in blood samples ofthyroidectomized DTC patients obtained 0 (before), 3, 7 and 30 days after the 131I treatment. The treatment was orallyadministered once in the dose of 3.7 GBq. RESULTS Our results showed that, compared to the values before the therapy, SOD activity was significantly increased on the3th and 30th day after the 131I treatment alongwith the levels of GSH on 7th day. Other investigated oxidative stressindicators were unchanged. According to obtained data, in the blood of thyroidectomized DTC patients during the first30 days after the therapy, increased antioxidative capacity, reflected through upregulated SOD activity and GSH levels,might be sufficient to prevent the increase of O2- and NO and, in general, suppress the oxidative stress. CONCLUSIONS Our findings provide a better insight into individual antioxidant parameters fluctuations, thus contribute to a betterunderstanding of the redox mechanisms critical for 131I treatment outcomes, since an increase in the oxidative stressin the early stages of therapy can affect later health concerns and may represent a potential risk factor for cancerprogression in DTC patients.
PB  - Berlin ; Boston : Walter de Gruyter
C3  - Clinical chemistry and laboratory medicine
T1  - Oxidative Stress in Differentiated Thyroid Cancer Patients After Radioiodine Treatment
VL  - 61
IS  - Special Supplement
SP  - S1416
EP  - S1416
DO  - 10.1515/cclm-2023-7051
ER  - 
@conference{
author = "Spasojević-Tišma, V. and Jeremić, M. and Pejić, Snežana and Drakulić, Dunja R. and Stanković, S. and Košutić, D. and Todorović, Ana",
year = "2023",
abstract = "BACKGROUND-AIM Differentiated thyroid cancer (DTC) is the most rapidly diagnosed cancer worldwide and the most frequent endocrinemalignancy, comprised of differentiated subtypes, specifically papillary and follicular thyroid cancer. Thyroidectomyis currently the preferred treatment for DTC. However, adjuvant therapy in the form of radioactive iodine (131I) is oftenadministered to reduce the risk of tumor recurrence and to facilitate future cancer surveillance. As 131I treatmentadditionally might upregulate oxidative stress regularly observed in thyroid cancer patients, the aim of our study wasto investigate the alterations in the levels of glutathione (GSH), superoxide anion (O2-), nitric oxide (NO) and activityof superoxide dismutase (SOD) in blood of DTC patients treated with 131I. METHODS All investigated parameters were determined with well-established spectrophotometric methods in blood samples ofthyroidectomized DTC patients obtained 0 (before), 3, 7 and 30 days after the 131I treatment. The treatment was orallyadministered once in the dose of 3.7 GBq. RESULTS Our results showed that, compared to the values before the therapy, SOD activity was significantly increased on the3th and 30th day after the 131I treatment alongwith the levels of GSH on 7th day. Other investigated oxidative stressindicators were unchanged. According to obtained data, in the blood of thyroidectomized DTC patients during the first30 days after the therapy, increased antioxidative capacity, reflected through upregulated SOD activity and GSH levels,might be sufficient to prevent the increase of O2- and NO and, in general, suppress the oxidative stress. CONCLUSIONS Our findings provide a better insight into individual antioxidant parameters fluctuations, thus contribute to a betterunderstanding of the redox mechanisms critical for 131I treatment outcomes, since an increase in the oxidative stressin the early stages of therapy can affect later health concerns and may represent a potential risk factor for cancerprogression in DTC patients.",
publisher = "Berlin ; Boston : Walter de Gruyter",
journal = "Clinical chemistry and laboratory medicine",
title = "Oxidative Stress in Differentiated Thyroid Cancer Patients After Radioiodine Treatment",
volume = "61",
number = "Special Supplement",
pages = "S1416-S1416",
doi = "10.1515/cclm-2023-7051"
}
Spasojević-Tišma, V., Jeremić, M., Pejić, S., Drakulić, D. R., Stanković, S., Košutić, D.,& Todorović, A.. (2023). Oxidative Stress in Differentiated Thyroid Cancer Patients After Radioiodine Treatment. in Clinical chemistry and laboratory medicine
Berlin ; Boston : Walter de Gruyter., 61(Special Supplement), S1416-S1416.
https://doi.org/10.1515/cclm-2023-7051
Spasojević-Tišma V, Jeremić M, Pejić S, Drakulić DR, Stanković S, Košutić D, Todorović A. Oxidative Stress in Differentiated Thyroid Cancer Patients After Radioiodine Treatment. in Clinical chemistry and laboratory medicine. 2023;61(Special Supplement):S1416-S1416.
doi:10.1515/cclm-2023-7051 .
Spasojević-Tišma, V., Jeremić, M., Pejić, Snežana, Drakulić, Dunja R., Stanković, S., Košutić, D., Todorović, Ana, "Oxidative Stress in Differentiated Thyroid Cancer Patients After Radioiodine Treatment" in Clinical chemistry and laboratory medicine, 61, no. Special Supplement (2023):S1416-S1416,
https://doi.org/10.1515/cclm-2023-7051 . .
1

Initial Hematologic Indices in COVID-19 Patients With Invasive Mechanical Ventilation

Tijanić, A.; Ristić, T.; Habach, T.; Milenković, B.; Drakulić, Dunja R.; Pejić, Snežana; Stanković, S.

(Berlin ; Boston : Walter de Gruyter, 2023)

TY  - CONF
AU  - Tijanić, A.
AU  - Ristić, T.
AU  - Habach, T.
AU  - Milenković, B.
AU  - Drakulić, Dunja R.
AU  - Pejić, Snežana
AU  - Stanković, S.
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12858
AB  - BACKGROUND-AIM Invasive mechanical ventilation (IMV) is frequently needed intervention in patients with severe COVID19. There areattempts to identify biomarkers that could be helpful in determining the best moment to intubate these patients.It is known that cost-effective hematological indices, easily calculated from a routine complete blood count (CBC),are useful in determining patient's inflammatory response to COVID-19. The aim of this study was to examine thehematologic indices value in patients with and without the need for IMV and a control group.METHODS A total of 274 COVID-19 patients (178 males/96 females, median age 65), hospitalized in temporary COVID-19 hospitalin Clinic for Pulmonology Diseases, University Clinical Centre of Serbia in Belgrade between November 18, 2020 toJanuary 15, 2021, were stratified as IMV (Group 1) (n = 24) or did not require invasive mechanical ventilation (Group2) (n = 250). The control group was consisted of 274 healthy individuals. CBC was determined at hospital admissionusing Sysmex XN-1000 (Sysmex Corporation, Kobe, Japan). Few hematologic indices were calculated, the neutrophil-to-lymphocyte ratio (NLR), the derived NLR (d-NLR), the neutrophil-to-platelet ratio (NPR), the platelet-to-lymphocyteratio (PLR), the lymphocyte-to-monocyte ratio (LMR), and systemic immune-inflammation index (SII). RESULTS There was significant differences (p<0.001) in all hematological ratios between COVID-19 patients and the controlgroup. Patients in Group 1 had significantly higher values of NLR (7.1 (3.3-15.7) vs 4.3 (2.4-8.1), p = 0.011), dNLR (4.4(2.5-8.3) vs 2.8 (1.7-5.1), p = 0.013), NPR (0.03 (0.02-0.05) vs 0.02 (0.01-0.03), p = 0.001), compared to those in group 2.Conversely, the Group 1 had markedly decreased LMR (1.9 (1.1-3.3) vs 2.5 (1.8-3.7), p = 0.043), compared to the Group2. There was no significant difference in PLR and SII between these two groups (p >0.05). CONCLUSIONS Our study suggests that admission value of hematological indices NLR, dNLR, NPR have potential for use as auxiliaries in clinical decision-making regarding the need for IMV in COVID-19 patients.
PB  - Berlin ; Boston : Walter de Gruyter
C3  - Clinical chemistry and laboratory medicine
T1  - Initial Hematologic Indices in COVID-19 Patients With Invasive Mechanical Ventilation
VL  - 61
IS  - Special Supplement
SP  - S770
EP  - S770
DO  - 10.1515/cclm-2023-7041
ER  - 
@conference{
author = "Tijanić, A. and Ristić, T. and Habach, T. and Milenković, B. and Drakulić, Dunja R. and Pejić, Snežana and Stanković, S.",
year = "2023",
abstract = "BACKGROUND-AIM Invasive mechanical ventilation (IMV) is frequently needed intervention in patients with severe COVID19. There areattempts to identify biomarkers that could be helpful in determining the best moment to intubate these patients.It is known that cost-effective hematological indices, easily calculated from a routine complete blood count (CBC),are useful in determining patient's inflammatory response to COVID-19. The aim of this study was to examine thehematologic indices value in patients with and without the need for IMV and a control group.METHODS A total of 274 COVID-19 patients (178 males/96 females, median age 65), hospitalized in temporary COVID-19 hospitalin Clinic for Pulmonology Diseases, University Clinical Centre of Serbia in Belgrade between November 18, 2020 toJanuary 15, 2021, were stratified as IMV (Group 1) (n = 24) or did not require invasive mechanical ventilation (Group2) (n = 250). The control group was consisted of 274 healthy individuals. CBC was determined at hospital admissionusing Sysmex XN-1000 (Sysmex Corporation, Kobe, Japan). Few hematologic indices were calculated, the neutrophil-to-lymphocyte ratio (NLR), the derived NLR (d-NLR), the neutrophil-to-platelet ratio (NPR), the platelet-to-lymphocyteratio (PLR), the lymphocyte-to-monocyte ratio (LMR), and systemic immune-inflammation index (SII). RESULTS There was significant differences (p<0.001) in all hematological ratios between COVID-19 patients and the controlgroup. Patients in Group 1 had significantly higher values of NLR (7.1 (3.3-15.7) vs 4.3 (2.4-8.1), p = 0.011), dNLR (4.4(2.5-8.3) vs 2.8 (1.7-5.1), p = 0.013), NPR (0.03 (0.02-0.05) vs 0.02 (0.01-0.03), p = 0.001), compared to those in group 2.Conversely, the Group 1 had markedly decreased LMR (1.9 (1.1-3.3) vs 2.5 (1.8-3.7), p = 0.043), compared to the Group2. There was no significant difference in PLR and SII between these two groups (p >0.05). CONCLUSIONS Our study suggests that admission value of hematological indices NLR, dNLR, NPR have potential for use as auxiliaries in clinical decision-making regarding the need for IMV in COVID-19 patients.",
publisher = "Berlin ; Boston : Walter de Gruyter",
journal = "Clinical chemistry and laboratory medicine",
title = "Initial Hematologic Indices in COVID-19 Patients With Invasive Mechanical Ventilation",
volume = "61",
number = "Special Supplement",
pages = "S770-S770",
doi = "10.1515/cclm-2023-7041"
}
Tijanić, A., Ristić, T., Habach, T., Milenković, B., Drakulić, D. R., Pejić, S.,& Stanković, S.. (2023). Initial Hematologic Indices in COVID-19 Patients With Invasive Mechanical Ventilation. in Clinical chemistry and laboratory medicine
Berlin ; Boston : Walter de Gruyter., 61(Special Supplement), S770-S770.
https://doi.org/10.1515/cclm-2023-7041
Tijanić A, Ristić T, Habach T, Milenković B, Drakulić DR, Pejić S, Stanković S. Initial Hematologic Indices in COVID-19 Patients With Invasive Mechanical Ventilation. in Clinical chemistry and laboratory medicine. 2023;61(Special Supplement):S770-S770.
doi:10.1515/cclm-2023-7041 .
Tijanić, A., Ristić, T., Habach, T., Milenković, B., Drakulić, Dunja R., Pejić, Snežana, Stanković, S., "Initial Hematologic Indices in COVID-19 Patients With Invasive Mechanical Ventilation" in Clinical chemistry and laboratory medicine, 61, no. Special Supplement (2023):S770-S770,
https://doi.org/10.1515/cclm-2023-7041 . .
1

Black inorganic pigments obtained from waste materials

Devečerski, Aleksandar; Kumrić, Ksenija; Stanković, S.; Egerić, Marija; Omerašević, Mia; Krstić, Sanja; Vujasin, Radojka

(Society of Physical Chemists of Serbia, 2021)

TY  - CONF
AU  - Devečerski, Aleksandar
AU  - Kumrić, Ksenija
AU  - Stanković, S.
AU  - Egerić, Marija
AU  - Omerašević, Mia
AU  - Krstić, Sanja
AU  - Vujasin, Radojka
PY  - 2021
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12076
AB  - Hazardous industrial wastes are the most common source of environmental pollution. Waters originating from unregulated landfills and places of inadequate disposal of this type of wastes can pollute the water sources and affect the human health. In this study, electroplating waste sludge (ES) and various Fe-rich wastes were used as starting materials for the synthesis of inorganic pigments. Obtained black Cr1.3Fe0.7O3 pigments possess adequate properties required for use as inorganic pigments.
PB  - Society of Physical Chemists of Serbia
C3  - Physical chemistry 2021 : 15th international conference on fundamental and applied aspects of physical chemistry
T1  - Black inorganic pigments obtained from waste materials
VL  - II
SP  - 580
EP  - 583
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12076
ER  - 
@conference{
author = "Devečerski, Aleksandar and Kumrić, Ksenija and Stanković, S. and Egerić, Marija and Omerašević, Mia and Krstić, Sanja and Vujasin, Radojka",
year = "2021",
abstract = "Hazardous industrial wastes are the most common source of environmental pollution. Waters originating from unregulated landfills and places of inadequate disposal of this type of wastes can pollute the water sources and affect the human health. In this study, electroplating waste sludge (ES) and various Fe-rich wastes were used as starting materials for the synthesis of inorganic pigments. Obtained black Cr1.3Fe0.7O3 pigments possess adequate properties required for use as inorganic pigments.",
publisher = "Society of Physical Chemists of Serbia",
journal = "Physical chemistry 2021 : 15th international conference on fundamental and applied aspects of physical chemistry",
title = "Black inorganic pigments obtained from waste materials",
volume = "II",
pages = "580-583",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12076"
}
Devečerski, A., Kumrić, K., Stanković, S., Egerić, M., Omerašević, M., Krstić, S.,& Vujasin, R.. (2021). Black inorganic pigments obtained from waste materials. in Physical chemistry 2021 : 15th international conference on fundamental and applied aspects of physical chemistry
Society of Physical Chemists of Serbia., II, 580-583.
https://hdl.handle.net/21.15107/rcub_vinar_12076
Devečerski A, Kumrić K, Stanković S, Egerić M, Omerašević M, Krstić S, Vujasin R. Black inorganic pigments obtained from waste materials. in Physical chemistry 2021 : 15th international conference on fundamental and applied aspects of physical chemistry. 2021;II:580-583.
https://hdl.handle.net/21.15107/rcub_vinar_12076 .
Devečerski, Aleksandar, Kumrić, Ksenija, Stanković, S., Egerić, Marija, Omerašević, Mia, Krstić, Sanja, Vujasin, Radojka, "Black inorganic pigments obtained from waste materials" in Physical chemistry 2021 : 15th international conference on fundamental and applied aspects of physical chemistry, II (2021):580-583,
https://hdl.handle.net/21.15107/rcub_vinar_12076 .

Combined effects of lipoprotein lipase and apolipoprotein E polymorphisms on serum lipid levels in Serbian population

Glišić, Sanja; Stanković, S.; Đurić, Tamara; Mečanin, Sanja; Majkić-Singh, Nada

(2003)

TY  - CONF
AU  - Glišić, Sanja
AU  - Stanković, S.
AU  - Đurić, Tamara
AU  - Mečanin, Sanja
AU  - Majkić-Singh, Nada
PY  - 2003
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/6373
AB  - Lipoprotein lipase (LPL) gene mutations might be one of genetic factors for the development of hyperlipoproteinemia in apoE2/2 homozygotes and E2 heterozygotes. Fasting serum lipids and analyses of the LPL gene Asn291Ser polymorphism and apolipoprotein (apo) E common polymorphism were performed in 201 healthy subjects. An interaction between the LPL/apoE DNA polymorphisms on serum total cholesterol (TC) and triglycerides (TG) variation was found. Individuals carrying the E2+/Ser291 allele had significantly higher mean TC (P LT 0.01) and TG (P LT 0.05) and lower high density lipoprotein cholesterol (HDLC) (P LT 0.05) compared with E2+/ Asn291. The results of this study demonstrate relationship between LPL and apoE DNA polymorphism. and serum lipid levels.
T1  - Combined effects of lipoprotein lipase and apolipoprotein E polymorphisms on serum lipid levels in Serbian population
SP  - 413
EP  - 416
UR  - https://hdl.handle.net/21.15107/rcub_vinar_6373
ER  - 
@conference{
author = "Glišić, Sanja and Stanković, S. and Đurić, Tamara and Mečanin, Sanja and Majkić-Singh, Nada",
year = "2003",
abstract = "Lipoprotein lipase (LPL) gene mutations might be one of genetic factors for the development of hyperlipoproteinemia in apoE2/2 homozygotes and E2 heterozygotes. Fasting serum lipids and analyses of the LPL gene Asn291Ser polymorphism and apolipoprotein (apo) E common polymorphism were performed in 201 healthy subjects. An interaction between the LPL/apoE DNA polymorphisms on serum total cholesterol (TC) and triglycerides (TG) variation was found. Individuals carrying the E2+/Ser291 allele had significantly higher mean TC (P LT 0.01) and TG (P LT 0.05) and lower high density lipoprotein cholesterol (HDLC) (P LT 0.05) compared with E2+/ Asn291. The results of this study demonstrate relationship between LPL and apoE DNA polymorphism. and serum lipid levels.",
title = "Combined effects of lipoprotein lipase and apolipoprotein E polymorphisms on serum lipid levels in Serbian population",
pages = "413-416",
url = "https://hdl.handle.net/21.15107/rcub_vinar_6373"
}
Glišić, S., Stanković, S., Đurić, T., Mečanin, S.,& Majkić-Singh, N.. (2003). Combined effects of lipoprotein lipase and apolipoprotein E polymorphisms on serum lipid levels in Serbian population. , 413-416.
https://hdl.handle.net/21.15107/rcub_vinar_6373
Glišić S, Stanković S, Đurić T, Mečanin S, Majkić-Singh N. Combined effects of lipoprotein lipase and apolipoprotein E polymorphisms on serum lipid levels in Serbian population. 2003;:413-416.
https://hdl.handle.net/21.15107/rcub_vinar_6373 .
Glišić, Sanja, Stanković, S., Đurić, Tamara, Mečanin, Sanja, Majkić-Singh, Nada, "Combined effects of lipoprotein lipase and apolipoprotein E polymorphisms on serum lipid levels in Serbian population" (2003):413-416,
https://hdl.handle.net/21.15107/rcub_vinar_6373 .

Effects of the pretreatment of a cemented carbide surface on its properties and on the properties of diamond coatings deposited by oxygen-acetylene flame CVD

Stanković, S.; Rakočević, Zlatko Lj.; Marinković, Slobodan N.

(1999)

TY  - JOUR
AU  - Stanković, S.
AU  - Rakočević, Zlatko Lj.
AU  - Marinković, Slobodan N.
PY  - 1999
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/6267
AB  - The influence of the pretreatment of the WC (6% Co) surface on its properties (i.e. roughness, grain size and chemical composition) and on the properties of flame-deposited coatings have been studied. The surface treatments included the action of an oxidizing oxygen/acetylene flame at 1000 degrees C, scratching with diamond particles (14-20 mu m), mixture with iron ( LT 45 mu m) in an ultrasound bath, and seeding with a nm-sized diamond suspension. An acid treatment was included in the pretreatment sequence. It is found that the oxidizing flame and the seeding decrease the surface roughness of the substrate as well as the diamond coatings, at the same time increasing the adhesion of the coating. Ultrasound scratching with the diamond/iron suspension increases the roughness of both the substrate and the diamond coating and decreases the adhesion of the coating. Scratching with diamond particles shows a similar but lesser effect. Except for scratching with diamond, all the surface pretreatment procedures lead to an increase in the density of diamond particles: this increase is greatest for seeding. Our results indicate that good adhesion and a small surface roughness are best obtained by the use of an oxidizing flame followed by acid treatment and seeding with nanoparticles. (C) 1999 Elsevier Science S.A. All rights reserved.
T2  - Diamond and Related Materials
T1  - Effects of the pretreatment of a cemented carbide surface on its properties and on the properties of diamond coatings deposited by oxygen-acetylene flame CVD
VL  - 8
IS  - 2-5
SP  - 207
EP  - 210
DO  - 10.1016/S0925-9635(98)00345-8
ER  - 
@article{
author = "Stanković, S. and Rakočević, Zlatko Lj. and Marinković, Slobodan N.",
year = "1999",
abstract = "The influence of the pretreatment of the WC (6% Co) surface on its properties (i.e. roughness, grain size and chemical composition) and on the properties of flame-deposited coatings have been studied. The surface treatments included the action of an oxidizing oxygen/acetylene flame at 1000 degrees C, scratching with diamond particles (14-20 mu m), mixture with iron ( LT 45 mu m) in an ultrasound bath, and seeding with a nm-sized diamond suspension. An acid treatment was included in the pretreatment sequence. It is found that the oxidizing flame and the seeding decrease the surface roughness of the substrate as well as the diamond coatings, at the same time increasing the adhesion of the coating. Ultrasound scratching with the diamond/iron suspension increases the roughness of both the substrate and the diamond coating and decreases the adhesion of the coating. Scratching with diamond particles shows a similar but lesser effect. Except for scratching with diamond, all the surface pretreatment procedures lead to an increase in the density of diamond particles: this increase is greatest for seeding. Our results indicate that good adhesion and a small surface roughness are best obtained by the use of an oxidizing flame followed by acid treatment and seeding with nanoparticles. (C) 1999 Elsevier Science S.A. All rights reserved.",
journal = "Diamond and Related Materials",
title = "Effects of the pretreatment of a cemented carbide surface on its properties and on the properties of diamond coatings deposited by oxygen-acetylene flame CVD",
volume = "8",
number = "2-5",
pages = "207-210",
doi = "10.1016/S0925-9635(98)00345-8"
}
Stanković, S., Rakočević, Z. Lj.,& Marinković, S. N.. (1999). Effects of the pretreatment of a cemented carbide surface on its properties and on the properties of diamond coatings deposited by oxygen-acetylene flame CVD. in Diamond and Related Materials, 8(2-5), 207-210.
https://doi.org/10.1016/S0925-9635(98)00345-8
Stanković S, Rakočević ZL, Marinković SN. Effects of the pretreatment of a cemented carbide surface on its properties and on the properties of diamond coatings deposited by oxygen-acetylene flame CVD. in Diamond and Related Materials. 1999;8(2-5):207-210.
doi:10.1016/S0925-9635(98)00345-8 .
Stanković, S., Rakočević, Zlatko Lj., Marinković, Slobodan N., "Effects of the pretreatment of a cemented carbide surface on its properties and on the properties of diamond coatings deposited by oxygen-acetylene flame CVD" in Diamond and Related Materials, 8, no. 2-5 (1999):207-210,
https://doi.org/10.1016/S0925-9635(98)00345-8 . .
3
2
4

Effects of cemented carbide surface pretreatment in combustion flame chemical vapour deposition of diamond

Marinković, Slobodan N.; Stanković, S.; Rakočević, Zlatko Lj.

(1999)

TY  - JOUR
AU  - Marinković, Slobodan N.
AU  - Stanković, S.
AU  - Rakočević, Zlatko Lj.
PY  - 1999
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/2288
AB  - Effects of different pretreatment procedures on WC-6%Co surface modification and some properties of diamond coating deposited by combustion flame CVD on the pretreated surfaces have been systematically studied. The pretreatment procedures examined were: action of an oxidising oxygen/acetylene flame at 1000 degrees C, scratching with diamond (D) particles or their mixture with iron (D + Fe) in an ultrasonic bath, and seeding with a nanometer diamond colloidal suspension. An acid treatment was always included in the pretreatment sequence. The oxidising flame was found to produce fine-grained W, W2C and WO2, resulting in an increased diamond particle density and a lower coating roughness, and leading to a relatively smooth and adherent diamond coating. However, the products of WC oxidation were detectable only if Co had been removed from the substrate surface prior to the action of flame. Otherwise, compounds of Co with P and O were formed, making a skin on the surface, which hindered action of the flame on WC. The acid treatment was found to remove Co effectively from the surface. Seeding resulted in a good coverage of the substrate surface with nano-particles of diamond, leading to a maximum diamond particle density, adhesion improvement and minimum coating roughness. Scratching with D + Fe mixture produced maximum roughness of both substrate and diamond coating surface, as well as low adhesion, while scratching with D particles showed a similar but smaller effect. Minimum surface roughness and maximum adhesion of the diamond coating were obtained for the substrate pretreated by oxidising flame, followed by the acid action and seeding with diamond nano-particles. (C) 1999 Elsevier Science S.A. All rights reserved.
T2  - Thin Solid Films
T1  - Effects of cemented carbide surface pretreatment in combustion flame chemical vapour deposition of diamond
VL  - 354
IS  - 1-2
SP  - 118
EP  - 128
DO  - 10.1016/S0040-6090(99)00575-1
ER  - 
@article{
author = "Marinković, Slobodan N. and Stanković, S. and Rakočević, Zlatko Lj.",
year = "1999",
abstract = "Effects of different pretreatment procedures on WC-6%Co surface modification and some properties of diamond coating deposited by combustion flame CVD on the pretreated surfaces have been systematically studied. The pretreatment procedures examined were: action of an oxidising oxygen/acetylene flame at 1000 degrees C, scratching with diamond (D) particles or their mixture with iron (D + Fe) in an ultrasonic bath, and seeding with a nanometer diamond colloidal suspension. An acid treatment was always included in the pretreatment sequence. The oxidising flame was found to produce fine-grained W, W2C and WO2, resulting in an increased diamond particle density and a lower coating roughness, and leading to a relatively smooth and adherent diamond coating. However, the products of WC oxidation were detectable only if Co had been removed from the substrate surface prior to the action of flame. Otherwise, compounds of Co with P and O were formed, making a skin on the surface, which hindered action of the flame on WC. The acid treatment was found to remove Co effectively from the surface. Seeding resulted in a good coverage of the substrate surface with nano-particles of diamond, leading to a maximum diamond particle density, adhesion improvement and minimum coating roughness. Scratching with D + Fe mixture produced maximum roughness of both substrate and diamond coating surface, as well as low adhesion, while scratching with D particles showed a similar but smaller effect. Minimum surface roughness and maximum adhesion of the diamond coating were obtained for the substrate pretreated by oxidising flame, followed by the acid action and seeding with diamond nano-particles. (C) 1999 Elsevier Science S.A. All rights reserved.",
journal = "Thin Solid Films",
title = "Effects of cemented carbide surface pretreatment in combustion flame chemical vapour deposition of diamond",
volume = "354",
number = "1-2",
pages = "118-128",
doi = "10.1016/S0040-6090(99)00575-1"
}
Marinković, S. N., Stanković, S.,& Rakočević, Z. Lj.. (1999). Effects of cemented carbide surface pretreatment in combustion flame chemical vapour deposition of diamond. in Thin Solid Films, 354(1-2), 118-128.
https://doi.org/10.1016/S0040-6090(99)00575-1
Marinković SN, Stanković S, Rakočević ZL. Effects of cemented carbide surface pretreatment in combustion flame chemical vapour deposition of diamond. in Thin Solid Films. 1999;354(1-2):118-128.
doi:10.1016/S0040-6090(99)00575-1 .
Marinković, Slobodan N., Stanković, S., Rakočević, Zlatko Lj., "Effects of cemented carbide surface pretreatment in combustion flame chemical vapour deposition of diamond" in Thin Solid Films, 354, no. 1-2 (1999):118-128,
https://doi.org/10.1016/S0040-6090(99)00575-1 . .
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