Fundamental processes and applications of particle transport in non-equilibrium plasmas, traps and nanostructures

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Fundamental processes and applications of particle transport in non-equilibrium plasmas, traps and nanostructures (en)
Фундаментални процеси и примене транспорта честица у неравнотежним плазмама, траповима и наноструктурама (sr)
Fundamentalni procesi i primene transporta čestica u neravnotežnim plazmama, trapovima i nanostrukturama (sr_RS)
Authors

Publications

Effects of non-thermal atmospheric plasma treatment on dentin wetting and surface free energy for application of universal adhesives

Stasić, Jovana; Selaković, Nenad; Puač, Nevena; Miletić, Maja; Malović, Gordana; Petrović, Zoran Lj; Veljović, Đorđe; Miletić, Vesna

(Springer Verlag, 2019)

TY  - JOUR
AU  - Stasić, Jovana
AU  - Selaković, Nenad
AU  - Puač, Nevena
AU  - Miletić, Maja
AU  - Malović, Gordana
AU  - Petrović, Zoran Lj
AU  - Veljović, Đorđe
AU  - Miletić, Vesna
PY  - 2019
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5048
AB  - The study aims to evaluate the effects of non-thermal atmospheric plasma (NTAP) treatments on dentin wetting and surface free energy (SFE) and compare the effects of NTAP treatment, etch-and-rinse, and self-etch protocols for application of universal adhesives. Materials and methods: Mid-coronal dentin of intact third molars was used to measure contact angles of distilled water, ethylene-glycol, and diiodomethane and calculate SFE following different NTAP preset treatments (feeding gas consisting of pure He, He + 1% O 2 , He + 1.5% O 2 ), power input (1 or 3 W), and tip-to-surface distance (2, 4, or 8 mm). Contact angles of reference liquids and SFE of dentin following He + 1.5% O 2 at 3-W and 4-mm treatment was compared to phosphoric acid etching. Contact angles of Single Bond Universal (SBU; 3M ESPE) and Clearfil Universal Bond (CUB; Kuraray Noritake) were measured following NTAP, etch-and-rinse, and self-etch protocols. Results: NTAP significantly reduced contact angles of reference liquids and increased dentin SFE compared to untreated dentin (p < 0.05). O 2 intensified the effect of He NTAP (p < 0.05). NTAP and phosphoric acid increased dentin polarity and Lewis base surface characteristics. Phosphoric acid increased contact angles of adhesives compared to the self-etch protocol (p < 0.05). NTAP resulted in lower adhesive contact angles than phosphoric acid, the difference being statistically significant for CUB (p [removed] 0.05). Conclusions: He NTAP with and without O 2 increased dentin wetting and SFE, surpassing the effect of phosphoric acid and lowering adhesive contact angles. NTAP produced no apparent micro-morphological changes on dentin surface comparable to acid etching. Clinical significance: NTAP treatment of dentin prior to adhesive application increases dentin wetting and surface free energy facilitating better adhesive distribution on dentin surface compared to phosphoric acid etching and similar to the “self-etch” application protocol.
PB  - Springer Verlag
T2  - Clinical Oral Investigations
T1  - Effects of non-thermal atmospheric plasma treatment on dentin wetting and surface free energy for application of universal adhesives
EP  - 1396
IS  - 3
SP  - 1383
VL  - 23
DO  - 10.1007/s00784-018-2563-2
ER  - 
@article{
author = "Stasić, Jovana and Selaković, Nenad and Puač, Nevena and Miletić, Maja and Malović, Gordana and Petrović, Zoran Lj and Veljović, Đorđe and Miletić, Vesna",
year = "2019",
abstract = "The study aims to evaluate the effects of non-thermal atmospheric plasma (NTAP) treatments on dentin wetting and surface free energy (SFE) and compare the effects of NTAP treatment, etch-and-rinse, and self-etch protocols for application of universal adhesives. Materials and methods: Mid-coronal dentin of intact third molars was used to measure contact angles of distilled water, ethylene-glycol, and diiodomethane and calculate SFE following different NTAP preset treatments (feeding gas consisting of pure He, He + 1% O 2 , He + 1.5% O 2 ), power input (1 or 3 W), and tip-to-surface distance (2, 4, or 8 mm). Contact angles of reference liquids and SFE of dentin following He + 1.5% O 2 at 3-W and 4-mm treatment was compared to phosphoric acid etching. Contact angles of Single Bond Universal (SBU; 3M ESPE) and Clearfil Universal Bond (CUB; Kuraray Noritake) were measured following NTAP, etch-and-rinse, and self-etch protocols. Results: NTAP significantly reduced contact angles of reference liquids and increased dentin SFE compared to untreated dentin (p < 0.05). O 2 intensified the effect of He NTAP (p < 0.05). NTAP and phosphoric acid increased dentin polarity and Lewis base surface characteristics. Phosphoric acid increased contact angles of adhesives compared to the self-etch protocol (p < 0.05). NTAP resulted in lower adhesive contact angles than phosphoric acid, the difference being statistically significant for CUB (p [removed] 0.05). Conclusions: He NTAP with and without O 2 increased dentin wetting and SFE, surpassing the effect of phosphoric acid and lowering adhesive contact angles. NTAP produced no apparent micro-morphological changes on dentin surface comparable to acid etching. Clinical significance: NTAP treatment of dentin prior to adhesive application increases dentin wetting and surface free energy facilitating better adhesive distribution on dentin surface compared to phosphoric acid etching and similar to the “self-etch” application protocol.",
publisher = "Springer Verlag",
journal = "Clinical Oral Investigations",
title = "Effects of non-thermal atmospheric plasma treatment on dentin wetting and surface free energy for application of universal adhesives",
pages = "1396-1383",
number = "3",
volume = "23",
doi = "10.1007/s00784-018-2563-2"
}
Stasić, J., Selaković, N., Puač, N., Miletić, M., Malović, G., Petrović, Z. L., Veljović, Đ.,& Miletić, V.. (2019). Effects of non-thermal atmospheric plasma treatment on dentin wetting and surface free energy for application of universal adhesives. in Clinical Oral Investigations
Springer Verlag., 23(3), 1383-1396.
https://doi.org/10.1007/s00784-018-2563-2
Stasić J, Selaković N, Puač N, Miletić M, Malović G, Petrović ZL, Veljović Đ, Miletić V. Effects of non-thermal atmospheric plasma treatment on dentin wetting and surface free energy for application of universal adhesives. in Clinical Oral Investigations. 2019;23(3):1383-1396.
doi:10.1007/s00784-018-2563-2 .
Stasić, Jovana, Selaković, Nenad, Puač, Nevena, Miletić, Maja, Malović, Gordana, Petrović, Zoran Lj, Veljović, Đorđe, Miletić, Vesna, "Effects of non-thermal atmospheric plasma treatment on dentin wetting and surface free energy for application of universal adhesives" in Clinical Oral Investigations, 23, no. 3 (2019):1383-1396,
https://doi.org/10.1007/s00784-018-2563-2 . .
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12
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Effects of non-thermal atmospheric plasma treatment on dentin wetting and surface free energy for application of universal adhesives

Stasić, Jovana; Selaković, Nenad; Puač, Nevena; Miletić, Maja; Malović, Gordana; Petrović, Zoran Lj; Veljović, Đorđe; Miletić, Vesna

(Springer Heidelberg, Heidelberg, 2019)

TY  - JOUR
AU  - Stasić, Jovana
AU  - Selaković, Nenad
AU  - Puač, Nevena
AU  - Miletić, Maja
AU  - Malović, Gordana
AU  - Petrović, Zoran Lj
AU  - Veljović, Đorđe
AU  - Miletić, Vesna
PY  - 2019
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4263
AB  - ObjectivesThe study aims to evaluate the effects of non-thermal atmospheric plasma (NTAP) treatments on dentin wetting and surface free energy (SFE) and compare the effects of NTAP treatment, etch-and-rinse, and self-etch protocols for application of universal adhesives.Materials and methodsMid-coronal dentin of intact third molars was used to measure contact angles of distilled water, ethylene-glycol, and diiodomethane and calculate SFE following different NTAP preset treatments (feeding gas consisting of pure He, He + 1% O-2, He + 1.5% O-2), power input (1 or 3W), and tip-to-surface distance (2, 4, or 8mm). Contact angles of reference liquids and SFE of dentin following He + 1.5% O-2 at 3-W and 4-mm treatment was compared to phosphoric acid etching. Contact angles of Single Bond Universal (SBU; 3M ESPE) and Clearfil Universal Bond (CUB; Kuraray Noritake) were measured following NTAP, etch-and-rinse, and self-etch protocols.ResultsNTAP significantly reduced contact angles of reference liquids and increased dentin SFE compared to untreated dentin (p lt 0.05). O-2 intensified the effect of He NTAP (p lt 0.05). NTAP and phosphoric acid increased dentin polarity and Lewis base surface characteristics. Phosphoric acid increased contact angles of adhesives compared to the self-etch protocol (p lt 0.05). NTAP resulted in lower adhesive contact angles than phosphoric acid, the difference being statistically significant for CUB (p lt 0.05). Compared to the self-etch protocol, NTAP slightly reduced CUB contact angle but not that of SBU (p gt 0.05).ConclusionsHe NTAP with and without O-2 increased dentin wetting and SFE, surpassing the effect of phosphoric acid and lowering adhesive contact angles. NTAP produced no apparent micro-morphological changes on dentin surface comparable to acid etching.Clinical significanceNTAP treatment of dentin prior to adhesive application increases dentin wetting and surface free energy facilitating better adhesive distribution on dentin surface compared to phosphoric acid etching and similar to the self-etch application protocol.
PB  - Springer Heidelberg, Heidelberg
T2  - Clinical Oral Investigations
T1  - Effects of non-thermal atmospheric plasma treatment on dentin wetting and surface free energy for application of universal adhesives
EP  - 1396
IS  - 3
SP  - 1383
VL  - 23
DO  - 10.1007/s00784-018-2563-2
ER  - 
@article{
author = "Stasić, Jovana and Selaković, Nenad and Puač, Nevena and Miletić, Maja and Malović, Gordana and Petrović, Zoran Lj and Veljović, Đorđe and Miletić, Vesna",
year = "2019",
abstract = "ObjectivesThe study aims to evaluate the effects of non-thermal atmospheric plasma (NTAP) treatments on dentin wetting and surface free energy (SFE) and compare the effects of NTAP treatment, etch-and-rinse, and self-etch protocols for application of universal adhesives.Materials and methodsMid-coronal dentin of intact third molars was used to measure contact angles of distilled water, ethylene-glycol, and diiodomethane and calculate SFE following different NTAP preset treatments (feeding gas consisting of pure He, He + 1% O-2, He + 1.5% O-2), power input (1 or 3W), and tip-to-surface distance (2, 4, or 8mm). Contact angles of reference liquids and SFE of dentin following He + 1.5% O-2 at 3-W and 4-mm treatment was compared to phosphoric acid etching. Contact angles of Single Bond Universal (SBU; 3M ESPE) and Clearfil Universal Bond (CUB; Kuraray Noritake) were measured following NTAP, etch-and-rinse, and self-etch protocols.ResultsNTAP significantly reduced contact angles of reference liquids and increased dentin SFE compared to untreated dentin (p lt 0.05). O-2 intensified the effect of He NTAP (p lt 0.05). NTAP and phosphoric acid increased dentin polarity and Lewis base surface characteristics. Phosphoric acid increased contact angles of adhesives compared to the self-etch protocol (p lt 0.05). NTAP resulted in lower adhesive contact angles than phosphoric acid, the difference being statistically significant for CUB (p lt 0.05). Compared to the self-etch protocol, NTAP slightly reduced CUB contact angle but not that of SBU (p gt 0.05).ConclusionsHe NTAP with and without O-2 increased dentin wetting and SFE, surpassing the effect of phosphoric acid and lowering adhesive contact angles. NTAP produced no apparent micro-morphological changes on dentin surface comparable to acid etching.Clinical significanceNTAP treatment of dentin prior to adhesive application increases dentin wetting and surface free energy facilitating better adhesive distribution on dentin surface compared to phosphoric acid etching and similar to the self-etch application protocol.",
publisher = "Springer Heidelberg, Heidelberg",
journal = "Clinical Oral Investigations",
title = "Effects of non-thermal atmospheric plasma treatment on dentin wetting and surface free energy for application of universal adhesives",
pages = "1396-1383",
number = "3",
volume = "23",
doi = "10.1007/s00784-018-2563-2"
}
Stasić, J., Selaković, N., Puač, N., Miletić, M., Malović, G., Petrović, Z. L., Veljović, Đ.,& Miletić, V.. (2019). Effects of non-thermal atmospheric plasma treatment on dentin wetting and surface free energy for application of universal adhesives. in Clinical Oral Investigations
Springer Heidelberg, Heidelberg., 23(3), 1383-1396.
https://doi.org/10.1007/s00784-018-2563-2
Stasić J, Selaković N, Puač N, Miletić M, Malović G, Petrović ZL, Veljović Đ, Miletić V. Effects of non-thermal atmospheric plasma treatment on dentin wetting and surface free energy for application of universal adhesives. in Clinical Oral Investigations. 2019;23(3):1383-1396.
doi:10.1007/s00784-018-2563-2 .
Stasić, Jovana, Selaković, Nenad, Puač, Nevena, Miletić, Maja, Malović, Gordana, Petrović, Zoran Lj, Veljović, Đorđe, Miletić, Vesna, "Effects of non-thermal atmospheric plasma treatment on dentin wetting and surface free energy for application of universal adhesives" in Clinical Oral Investigations, 23, no. 3 (2019):1383-1396,
https://doi.org/10.1007/s00784-018-2563-2 . .
20
12
18

Plasma properties in a large-volume, cylindrical and asymmetric radio-frequency capacitively coupled industrial-prototype reactor

Lazović, Saša; Puač, Nevena; Spasić, Kosta; Malović, Gordana; Cvelbar, Uros; Mozetić, Miran; Radetić, Maja; Petrović, Zoran Lj

(IOP Publishing Ltd, Bristol, 2013)

TY  - JOUR
AU  - Lazović, Saša
AU  - Puač, Nevena
AU  - Spasić, Kosta
AU  - Malović, Gordana
AU  - Cvelbar, Uros
AU  - Mozetić, Miran
AU  - Radetić, Maja
AU  - Petrović, Zoran Lj
PY  - 2013
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2489
AB  - We have developed a large-volume low-pressure cylindrical plasma reactor with a size that matches industrial reactors for treatment of textiles. It was shown that it efficiently produces plasmas with only a small increase in power as compared with a similar reactor with 50 times smaller volume. Plasma generated at 13.56MHz was stable from transition to streamers and capable of long-term continuous operation. An industrial-scale asymmetric cylindrical reactor of simple design and construction enabled good control over a wide range of active plasma species and ion concentrations. Detailed characterization of the discharge was performed using derivative, Langmuir and catalytic probes which enabled determination of the optimal sets of plasma parameters necessary for successful industry implementation and process control. Since neutral atomic oxygen plays a major role in many of the material processing applications, its spatial profile was measured using nickel catalytic probe over a wide range of plasma parameters. The spatial profiles show diffusion profiles with particle production close to the powered electrode and significant wall losses due to surface recombination. Oxygen atom densities range from 10(19) m(-3) near the powered electrode to 10(17) m(-3) near the wall. The concentrations of ions at the same time are changing from 10(16) to the 10(15) m(-3) at the grounded chamber wall.
PB  - IOP Publishing Ltd, Bristol
T2  - Journal of Physics D-Applied Physics
T1  - Plasma properties in a large-volume, cylindrical and asymmetric radio-frequency capacitively coupled industrial-prototype reactor
IS  - 7
VL  - 46
DO  - 10.1088/0022-3727/46/7/075201
ER  - 
@article{
author = "Lazović, Saša and Puač, Nevena and Spasić, Kosta and Malović, Gordana and Cvelbar, Uros and Mozetić, Miran and Radetić, Maja and Petrović, Zoran Lj",
year = "2013",
abstract = "We have developed a large-volume low-pressure cylindrical plasma reactor with a size that matches industrial reactors for treatment of textiles. It was shown that it efficiently produces plasmas with only a small increase in power as compared with a similar reactor with 50 times smaller volume. Plasma generated at 13.56MHz was stable from transition to streamers and capable of long-term continuous operation. An industrial-scale asymmetric cylindrical reactor of simple design and construction enabled good control over a wide range of active plasma species and ion concentrations. Detailed characterization of the discharge was performed using derivative, Langmuir and catalytic probes which enabled determination of the optimal sets of plasma parameters necessary for successful industry implementation and process control. Since neutral atomic oxygen plays a major role in many of the material processing applications, its spatial profile was measured using nickel catalytic probe over a wide range of plasma parameters. The spatial profiles show diffusion profiles with particle production close to the powered electrode and significant wall losses due to surface recombination. Oxygen atom densities range from 10(19) m(-3) near the powered electrode to 10(17) m(-3) near the wall. The concentrations of ions at the same time are changing from 10(16) to the 10(15) m(-3) at the grounded chamber wall.",
publisher = "IOP Publishing Ltd, Bristol",
journal = "Journal of Physics D-Applied Physics",
title = "Plasma properties in a large-volume, cylindrical and asymmetric radio-frequency capacitively coupled industrial-prototype reactor",
number = "7",
volume = "46",
doi = "10.1088/0022-3727/46/7/075201"
}
Lazović, S., Puač, N., Spasić, K., Malović, G., Cvelbar, U., Mozetić, M., Radetić, M.,& Petrović, Z. L.. (2013). Plasma properties in a large-volume, cylindrical and asymmetric radio-frequency capacitively coupled industrial-prototype reactor. in Journal of Physics D-Applied Physics
IOP Publishing Ltd, Bristol., 46(7).
https://doi.org/10.1088/0022-3727/46/7/075201
Lazović S, Puač N, Spasić K, Malović G, Cvelbar U, Mozetić M, Radetić M, Petrović ZL. Plasma properties in a large-volume, cylindrical and asymmetric radio-frequency capacitively coupled industrial-prototype reactor. in Journal of Physics D-Applied Physics. 2013;46(7).
doi:10.1088/0022-3727/46/7/075201 .
Lazović, Saša, Puač, Nevena, Spasić, Kosta, Malović, Gordana, Cvelbar, Uros, Mozetić, Miran, Radetić, Maja, Petrović, Zoran Lj, "Plasma properties in a large-volume, cylindrical and asymmetric radio-frequency capacitively coupled industrial-prototype reactor" in Journal of Physics D-Applied Physics, 46, no. 7 (2013),
https://doi.org/10.1088/0022-3727/46/7/075201 . .
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