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  • 1.
    Ballo, Ahmed Mansour
    et al.
    Sahlgrenska Academy, Sweden.
    Björn, Dorota
    Sandvik, Sweden.
    Åstrand, Maria
    Sandvik, Sweden.
    Palmquist, Anders
    Sahlgrenska Academy, Sweden.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Thomsen, Peter
    Sahlgrenska Academy, Sweden.
    Bone response to physical-vapour-deposited titanium dioxide coatings on titanium implants2013Ingår i: Clinical Oral Implants Research, ISSN 0905-7161, E-ISSN 1600-0501, Vol. 24, nr 9, s. 1009-1017Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Objectives: The aim of this study was to investigate the correlation between coating thickness and the crystal structure of physical-vapour-deposited (PVD) titanium dioxide coatings, and to evaluate their in vivo biocompatibility. Materials and methods: The PVD TiO 2 coatings of different thickness were deposited on machined titanium grade 2 screw-shaped implants. Non-coated titanium implants were used as controls. Coating properties such as thickness, crystal structure, coating morphology and roughness were characterized. Forty-eight implants were placed randomly into both tibias of 16 rats. The animals were euthanized 7 and 28 days postsurgery and block biopsies were prepared for histology, histomorphometry and SEM analysis. Results: The thicknesses of the PVDTiO 2 coatings were 120 and 1430 nm respectively. Histologically, new bone formed on all implant surfaces. The mean percentage of newly formed bone in contact with the implant (BIC) was significantly higher at early healing time (7 days) for the 120 nm thick PVD coating (39 ± 14%) than for both the 1430 nm thick PVD coating (22 ± 10%) (P = 0.043) and the machined surface (22 ± 9%) (P = 0.028). This difference was no longer evident after 28 days (P = 0.867). Conclusion: Bone formation and bone-to-implant contact are achieved to the same degree for TiO 2 surface modifications prepared by a PVD process as clinically used, machined titanium. Furthermore, a relatively thinner PVD coating promotes a higher degree of bone apposition shortly after implantation, thereby providing rationales for exploring the potential clinical use of these modifications.

  • 2.
    Ballo, Ahmed Mansour
    et al.
    University of British Columbia, Canada; College of Dentistry at King Saud University, Saudi Arabia.
    Cekic-Nagas, Isil
    Gazi University, Turkey.
    Ergün, Gülfem
    Gazi University, Turkey.
    Lassila, Lippo Veli Juhana
    University of Turku, Finland.
    Palmquist, Anders
    Sahlgrenska Academy, Sweden; BIOMATCELL, Sweden.
    Borchardt, Per
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Organisk kemi (Kmo). BIOMATCELL, Sweden.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf). BIOMATCELL, Sweden.
    Thomsen, Peter
    Sahlgrenska Academy, Sweden; BIOMATCELL, Sweden.
    Vallittu, Pekka Kalevi
    University of Turku, Finland.
    Närhi, Timo O.
    University of Turku, Finland; Turku University Central Hospital, Finland.
    Osseointegration of fiber-reinforced composite implants: Histological and ultrastructural observations2014Ingår i: Dental Materials, ISSN 0109-5641, E-ISSN 1879-0097, Vol. 30, nr 12, s. e384-e395Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Objectives. The aim of this study was to evaluate the bone tissue response to fiber-reinforced composite (FRC) in comparison with titanium (Ti) implants after 12 weeks of implantation in cancellous bone using histomorphometric and ultrastructural analysis. Materials and methods. Thirty grit-blasted cylindrical FRC implants with BisGMA-TEGDMA polymer matrix were fabricated and divided into three groups: (1) 60 s light-cured FRC (FRC-L group), (2) 24 h polymerized FRC (FRC group), and (3) bioactive glass FRC (FRC-BAG group). Titanium implants were used as a control group. The surface analyses were performed with scanning electron microscopy and 3D SEM. The bone-implant contact (BIC) and bone area (BA) were determined using histomorphometry and SEM. Transmission electron microscopy (TEM) was performed on Focused Ion Beam prepared samples of the intact bone-implant interface. Results. The FRC, FRC-BAG and Ti implants were integrated into host bone. In contrast, FRC-L implants had a consistent fibrous capsule around the circumference of the entire implant separating the implant from direct bone contact. The highest values of BIC were obtained with FRC-BAG (58 ± 11%) and Ti implants (54 ± 13%), followed by FRC implants (48 ± 10%), but no significant differences in BIC or BA were observed (p = 0.07, p = 0.06, respectively). TEM images showed a direct contact between nanocrystalline hydroxyapatite of bone andboth FRC and FRC-BAG surfaces. Conclusion. Fiber-reinforced composite implants are capable of establishing a close bone contact comparable with the osseointegration of titanium implants having similar surface roughness.

  • 3.
    Bredberg, Anna
    et al.
    University of Gothenburg, Sweden.
    Josefson, Mats
    AstraZeneca, Sweden.
    Almstrand, Ann Charlotte
    University of Gothenburg, Sweden.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Sjövall, Peter
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Levinsson, Anna
    University of Gothenburg, Sweden.
    Larsson, Per
    University of Gothenburg, Sweden.
    Olin, Anna Carin
    University of Gothenburg, Sweden.
    Comparison of exhaled endogenous particles from smokers and non-smokers using multivariate analysis2013Ingår i: Respiration, ISSN 0025-7931, E-ISSN 1423-0356, Vol. 86, nr 2, s. 135-142Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Background: Smoking, along with many respiratory diseases, has been shown to induce airway inflammation and alter the composition of the respiratory tract lining fluid (RTLF). We have previously shown that the phospholipid and protein composition of particles in exhaled air (PEx) reflects that of RTLF. In this study, we hypothesized that the composition of PEx differs between smokers and non-smokers, reflecting inflammation in the airways. Objective: It was the aim of this study to identify differences in the phospholipid composition of PEx from smokers and non-smokers. Methods: PEx from 12 smokers and 13 non-smokers was collected using a system developed in-house. PEx was analysed using time-of-flight secondary ion mass spectrometry, and the mass spectral data were evaluated using multivariate analysis. Orthogonal partial least squares (OPLS) was used to relate smoking status, lung function and pack years to the chemical composition of RTLF. The discriminating ions identified by OPLS were then used as explanatory variables in traditional regression analysis. Results: There was a clear discrimination between smokers and non-smokers according to the chemical composition, where phospholipids from smokers were protonated and sodiated to a larger extent. Poor lung function showed a strong association with higher response from all molecular phosphatidylcholine species in the samples. Furthermore, the accumulated amount of tobacco consumed was associated with variations in mass spectra, indicating a dose-response relationship. Conclusion: The chemical composition of PEx differs between smokers and non-smokers, reflecting differences in the RTLF. The results from this study may suggest that the composition of RTLF is affected by smoking and may be of importance for lung function.

  • 4. Bryne, Lars Elof
    et al.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Ernstsson, Marie
    Englund, Finn
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, Trätek.
    Wålinder, Magnus
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, Trätek.
    Ageing of modified wood. Part 2: Determination of surface composition of acetylated, furfurylated, and thermally modified wood by XPS and ToF-SIMS2010Ingår i: Holzforschung, ISSN 0018-3830, E-ISSN 1437-434X, Vol. 64, nr 3, s. 305–313-Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    The main objective of this work was to study the chemical composition of surfaces and ageing effects on acetylated pine (Pinus sylvestris), heat treated spruce (Picea abies), and furfurylated radiata pine (Pinus radiata) in comparison to unmodified wood. X-ray photoelectron spectroscopy (XPS) and time-of-flight secondary ion mass spectrometry (ToF-SIMS) were the instruments of choice. Observation with a low-vacuum scanning electron microscope (LV-SEM) complemented the study. The spectroscopic information was also linked to a parallel wettability study on matched wood samples by the Wilhelmy method. The results show that XPS and ToF-SIMS are two powerful tools that in combination give complementary information, both quantitative and qualitative, and are well suited for observation of the ageing process of different wood surfaces. The hydrophobization process as a result of migration of extractives during ageing was well quantified by the XPS measurements and the results correlated well with wetting results. Several specific hydrophobic substances could be identified by ToF-SIMS measurements.

  • 5. Bryne, Lars Elof
    et al.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Ernstsson, Marie
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, YKI – Ytkemiska institutet.
    Englund, Finn
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP - Sveriges Tekniska Forskningsinstitut, SP Trä.
    Wålinder, Magnus
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP - Sveriges Tekniska Forskningsinstitut, SP Trä.
    Söderström, Ove
    UV-laser irradiated wood - Some aspects on micromorphology, wettability, surface composition and liquid permeability2008Ingår i: 4th meeting of the Nordic Baltic Network in Wood Material Science and Engineering (WSE), Latvian State Instiute of Wood Chemistry , 2008, , s. 75-82Konferensbidrag (Övrigt vetenskapligt)
  • 6.
    Carlred, Louise
    et al.
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Medicinteknik.
    Gunnarsson, Anders
    Chalmers University of Technology, Sweden; AstraZeneca, Sweden.
    Sole-Domenech, Santiago
    Karolinska Institute, Sweden; Weill Cornell Medical College, USA; Lund University, Sweden.
    Sjövall, Peter
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Simultaneous imaging of amyloid-β and lipids in brain tissue using antibody-coupled liposomes and time-of-flight secondary ion mass spectrometry2014Ingår i: Journal of the American Chemical Society, ISSN 0002-7863, E-ISSN 1520-5126, Vol. 136, nr 28, s. 9973-9981Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    The spatial localization of amyloid-β peptide deposits, the major component of senile plaques in Alzheimer's disease (AD), was mapped in transgenic AD mouse brains using time-of-flight secondary ion mass spectrometry (ToF-SIMS), simultaneously with several endogenous molecules that cannot be mapped using conventional immunohistochemistry imaging, including phospholipids, cholesterol and sulfatides. Whereas the endogenous lipids were detected directly, the amyloid-β deposits, which cannot be detected as intact entities with ToF-SIMS because of extensive ion-induced fragmentation, were identified by specific binding of deuterated liposomes to antibodies directed against amyloid-β. Comparative investigation of the amyloid-β deposits using conventional immunohistochemistry and fluorescence microscopy suggests similar sensitivity but a more surface-confined identification due to the shallow penetration depth of the ToF-SIMS signal. The recorded ToF-SIMS images thus display the localization of lipids and amyloid-β in a narrow (∼10 nm) two-dimensional plane at the tissue surface. As compared to a frozen nontreated tissue sample, the liposome preparation protocol generally increased the signal intensity of endogenous lipids, likely caused by matrix effects associated with the removal of salts, but no severe effects on the tissue integrity and the spatial distribution of lipids were observed with ToF-SIMS or scanning electron microscopy (SEM). This method may provide an important extension to conventional tissue imaging techniques to investigate the complex interplay of different kinds of molecules in neurodegenerative diseases, in the same specimen. However, limitations in target accessibility of the liposomes as well as unspecific binding need further consideration.

  • 7. Carlsson, Lennart
    et al.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Sjövall, Peter
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    A cell preparation method allowing subcellular localization of cholesterol and phosphocholine with imaging ToF-SIMS2003Ingår i: Colloids and Surfaces B: Biointerface, Vol. 30, nr 30, s. 87-92Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    A cell preparation method allowing subcellular localization of cholesterol and phosphocholine with imaging ToF-SIMS

  • 8.
    de Peppo, Giuseppe Maria
    et al.
    The New York Stem Cell Foundation Research Institute, USA; Sahlgrenska Academy, Sweden; BIOMATCELL, Sweden.
    Agheli, Hossein
    Sahlgrenska Academy, Sweden; BIOMATCELL, Sweden.
    Karlsson, Camilla
    Sahlgrenska Academy, Sweden; BIOMATCELL, Sweden.
    Ekström, Karin
    Sahlgrenska Academy, Sweden; BIOMATCELL, Sweden.
    Brisby, Helena
    Sahlgrenska Academy, Sweden; BIOMATCELL, Sweden.
    Lennerås, Maria E.
    Sahlgrenska Academy, Sweden; BIOMATCELL, Sweden.
    Gustafsson, Stefan
    BIOMATCELL, Sweden; Chalmers University of Technology, Sweden.
    Sjövall, Peter
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Johansson, Anna Karin
    Sahlgrenska Academy, Sweden; BIOMATCELL, Sweden.
    Olsson, Eva
    BIOMATCELL, Sweden; Chalmers University of Technology, Sweden.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Thomsen, Peter
    Sahlgrenska Academy, Sweden; BIOMATCELL, Sweden.
    Petronis, Sarunas
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Medicinteknik. BIOMATCELL, Sweden.
    Osteogenic response of human mesenchymal stem cells to well-defined nanoscale topography in vitro2014Ingår i: International Journal of Nanomedicine, ISSN 1176-9114, E-ISSN 1178-2013, Vol. 9, nr 1, s. 2499-2515Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Background: Patterning medical devices at the nanoscale level enables the manipulation of cell behavior and tissue regeneration, with topographic features recognized as playing a significant role inthe osseointegration of implantable devices. Methods: In this study, we assessed the ability of titanium-coated hemisphere-like topographic nanostructures of different sizes (approximately 50, 100, and 200 nm) to influence the morphology, proliferation, and osteogenic differentiation of human mesenchymal stem cells (hMSCs). Results: We found that the proliferation and osteogenicdifferentiation of hMSCs was influenced by the size of the underlying structures, suggesting that size variations in topographic features at the nanoscale level, independently of chemistry, can be exploited to control hMSC behavior in a size-dependent fashion. Conclusion: Our studies demonstrate that colloidal lithography, in combination with coating technologies, can be exploited to investigate the cell response to well defined nanoscale topography and to develop next-generation surfaces that guide tissue regeneration and promote implant integration.

  • 9.
    de Peppo, Giuseppe Maria
    et al.
    New York Stem Cell Foundation, USA; University of Gothenburg, Sweden.
    Sladkova, Martina
    CNRS, France.
    Sjövall, Peter
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Palmquist, Anders
    New York Stem Cell Foundation, USA.
    Oudina, Karim
    CNRS, France.
    Hyllner, Johan
    Cellartis AB, Sweden.
    Thomsen, Peter
    University of Gothenburg, Sweden.
    Petite, Herve
    CNRS, France.
    Karlsson, Camilla
    University of Gothenburg, Sweden.
    Human embryonic stem cell-derived mesodermal progenitors display substantially increased tissue formation compared to human mesenchymal stem cells under dynamic culture conditions in a packed Bed/Column bioreactor2013Ingår i: Tissue Engineering. Part A, ISSN 1937-3341, E-ISSN 1937-335X, Vol. 19, nr 1-2, s. 175-187Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Bone tissue engineering represents a promising strategy to obviate bone deficiencies, allowing the ex vivo construction of bone substitutes with unprecedented potential in the clinical practice. Considering that in the human body cells are constantly stimulated by chemical and mechanical stimuli, the use of bioreactor is emerging as an essential factor for providing the proper environment for the reproducible and large-scale production of the engineered substitutes. Human mesenchymal stem cells (hMSCs) are experimentally relevant cells but, regardless the encouraging results reported after culture under dynamic conditions in bioreactors, show important limitations for tissue engineering applications, especially considering their limited proliferative potential, loss of functionality following protracted expansion, and decline in cellular fitness associated with aging. On the other hand, we previously demonstrated that human embryonic stem cell-derived mesodermal progenitors (hES-MPs) hold great potential to provide a homogenous and unlimited source of cells for bone engineering applications. Based on prior scientific evidence using different types of stem cells, in the present study we hypothesized that dynamic culture of hES-MPs in a packed bed/column bioreactor had the potential to affect proliferation, expression of genes involved in osteogenic differentiation, and matrix mineralization, therefore resulting in increased bone-like tissue formation. The reported findings suggest that hES-MPs constitute a suitable alternative cell source to hMSCs and hold great potential for the construction of bone substitutes for tissue engineering applications in clinical settings.

  • 10.
    Englund, Finn
    et al.
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, Trätek.
    Bryne, Lars Elof
    Ernstsson, Marie
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Wålinder, Magnus
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, Trätek.
    Some aspects on the determination of surface chemical composition and wettability of modified wood2009Ingår i: Proceedings of The Fourth European Conference on Wood Modification., SP Technical Research Institute of Sweden , 2009, , s. 553-560Konferensbidrag (Övrigt vetenskapligt)
  • 11.
    Englund, Finn
    et al.
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, Trätek.
    Bryne, Lars Elof
    Ernstsson, Marie
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Wålinder, Magnus
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, Trätek.
    Some aspects on the determination of surface chemical composition and wettability of modified wood2009Ingår i: Wood Material Science & Engineering, ISSN 1748-0272, E-ISSN 1748-0280, Vol. 4, nr 1-2, s. 80-85Artikel i tidskrift (Refereegranskat)
  • 12.
    Englund, Finn
    et al.
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, Trätek.
    Bryne, Lars Elof
    Ernstsson, Marie
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Wålinder, Magnus
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP - Sveriges Tekniska Forskningsinstitut, SP Trä.
    Spectroscopic studies of surface chemical composition and wettability of modified wood2009Ingår i: Wood Material Science & Engineering, ISSN 1748-0272, E-ISSN 1748-0280, Vol. 4, nr 1-2, s. 80–85-Artikel i tidskrift (Refereegranskat)
  • 13.
    Greenwalt, Dale E.
    et al.
    National Museum of Natural History, USA.
    Goreva, Yulia S.
    National Museum of Natural History, USA.
    Siljeström, Sandra
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf). National Museum of Natural History, USA; Carnegie Institution of Washington, USA.
    Rose, Timothy R.
    National Museum of Natural History, USA.
    Harbach, Ralph E.
    Natural History Museum, United Kingdom.
    Hemoglobin-derived porphyrins preserved in a Middle Eocene blood-engorged mosquito2013Ingår i: Proceedings of the National Academy of Sciences of the United States of America, ISSN 0027-8424, E-ISSN 1091-6490, Vol. 110, nr 46, s. 18496-18500Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Although hematophagy is found in ∼14,000 species of extant insects, the fossil record of blood-feeding insects is extremely poor and largely confined to specimens identified as hematophagic based on their taxonomic affinities with extant hematophagic insects; direct evidence of hematophagy is limited to four insect fossils in which trypanosomes and the malarial protozoan Plasmodium have been found. Here, we describe a blood-engorged mosquito from the Middle Eocene Kishenehn Formation in Montana. This unique specimen provided the opportunity to ask whether or not hemoglobin, or biomolecules derived from hemoglobin, were preserved in the fossilized blood meal. The abdomen of the fossil mosquito was shown to contain very high levels of iron, and mass spectrometry data provided a convincing identification of porphyrin molecules derived from the oxygen-carrying heme moiety of hemoglobin. These data confirm the existence of taphonomic conditions conducive to the preservation of biomolecules through deep time and support previous reports of the existence of heme-derived porphyrins in terrestrial fossils.

  • 14.
    Gunnarsson, Anders
    et al.
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Medicinteknik.
    Kollmer, Felix
    Sohn, Sascha
    Höök, Fredrik
    Sjövall, Peter
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    High-resolution mass spectrometry imaging of supported lipid bilayers and individual lipid vesicles2010Ingår i: Analytical Chemistry, Vol. 82, s. 2426-2433Artikel i tidskrift (Refereegranskat)
  • 15.
    Gunnarsson, Anders
    et al.
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Medicinteknik.
    Sjövall, Peter
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Höök, Fredrik
    Liposome-based bio-barcodes for on-chip DNA detection using imaging mass spectrometry2010Ingår i: Nano Letters, Vol. 10, s. 732-737Artikel i tidskrift (Refereegranskat)
  • 16.
    Hoseini, Mohammed
    et al.
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Hållfasthet (BMh).
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    A new screening method for the tribological investigation of artificial joints2001Ingår i: Tribology in biomechanical systems. Proceedings of 2nd World Tribology Congress, Vienna, September 3-7, 2001, 2001Konferensbidrag (Övrigt vetenskapligt)
  • 17.
    Hoseini, Mohammed
    et al.
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Hållfasthet (BMh).
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Tribological investigation of oriented HDPE2002Ingår i: Journal of Biomedical Materials Research, Vol. 61, nr 4, s. 6-Artikel i tidskrift (Övrigt vetenskapligt)
  • 18.
    Hoseini, Mohammed
    et al.
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Hållfasthet (BMh).
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Boldizar, Antal
    Tribological investigation of oriented HDPE1999Ingår i: Proc. Polymer Processing Society, Asia/Australia Regional Meeting, Bangkok, Dec. 1999., 1999, , s. 109-111Konferensbidrag (Övrigt vetenskapligt)
  • 19.
    Ivarsson, Magnus
    et al.
    Swedish Museum of Natural History, Sweden.
    Broman, Curt
    Stockholm University, Sweden.
    Sturkell, Erik F. F.
    University of Gothenburg, Sweden.
    Ormö, Jens O.
    Instituto Nacional de Técnica Aeroespacial, Spain.
    Siljeström, Sandra
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf). Carnegie Institution of Washington, USA.
    Van Zuilen, Mark A.
    Université Sorbonne Paris Cité, France.
    Bengtson, Stefan
    Swedish Museum of Natural History, Sweden.
    Fungal colonization of an Ordovician impact-induced hydrothermal system2013Ingår i: Scientific Reports, E-ISSN 2045-2322, Vol. 3, nr Dec, artikel-id 3487Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Impacts are common geologic features on the terrestrial planets throughout the solar system, and on at least Earth and Mars impacts have induced hydrothermal convection. Impact-generated hydrothermal systems have been suggested to possess the same life supporting capability as hydrothermal systems associated with volcanic activity. However, evidence of fossil microbial colonization in impact-generated hydrothermal systems is scarce in the literature. Here we report of fossilized microorganisms in association with cavity-grown hydrothermal minerals from the 458â.Ma Lockne impact structure, Sweden. Based on morphological characteristics the fossilized microorganisms are interpreted as fungi. We further infer the kerogenization of the microfossils, and thus the life span of the fungi, to be contemporaneous with the hydrothermal activity and migration of hydrocarbons in the system. Our results from the Lockne impact structure show that hydrothermal systems associated with impact structures can support colonization by microbial life.

  • 20.
    Jansson, Anna
    et al.
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Polymer och fiber.
    Möller, Kenneth
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Material och ytteknik.
    Sjövall, Peter
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Analysis of polymer oxidation using 18O2 and TOF-SIMS2003Ingår i: Polymer Degradation and Stability, Vol. 80, nr 80, s. 345-352Artikel i tidskrift (Refereegranskat)
  • 21.
    Karlsson, Joakim
    et al.
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Medicinteknik. Uppsala University, Sweden.
    Norell, Mats
    Chalmers University of Technology, Sweden.
    Ackelid, Ulf
    Arcam AB, Sweden.
    Engqvist, Håkan
    Uppsala University, Sweden.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Surface oxidation behavior of Ti-6Al-4V manufactured by Electron Beam Melting (EBM®)2015Ingår i: Journal of Manufacturing Processes, ISSN 1526-6125, Vol. 17, s. 120-126Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Additive manufacturing is an emerging manufacturing technology that enables production of patient specific implants, today primarily out of titanium. For optimal functionality and proper integration between the titanium implant and the body tissues surface properties, such as surface oxide thickness is of particular importance, as it is primarily the surface of the material which interacts with the body. Hence, in this study the surface oxidation behavior of titanium parts manufactured by Electron Beam Melting (EBM®) is investigated using the surface sensitive techniques ToF-SIMS and AES. Oxide thicknesses comparable to those found on conventionally machined surfaces are found by both analysis techniques. However, a build height dependency is discovered for different locations of the EBM® manufactured parts due to the presence of trapped moisture in the machine and temperature gradients in the build.

  • 22.
    Karlsson, Joakim
    et al.
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Medicinteknik. Uppsala University, Sweden.
    Snis, Anders
    Arcam AB, Sweden.
    Engqvist, Håkan
    Uppsala University, Sweden.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Characterization and comparison of materials produced by Electron Beam Melting (EBM) of two different Ti-6Al-4V powder fractions2013Ingår i: Journal of Materials Processing Technology, ISSN 0924-0136, E-ISSN 1873-4774, Vol. 213, nr 12, s. 2109-2118Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Electron Beam Melting (EBM) has been recognized as a revolutionary technique to produce mass-customized parts to near-net-shape from various metallic materials. The technique produces parts with unique geometries from a powder stock material and uses an electron beam to melt the powder layer-by-layer to fully solid structures. In this study we have investigated the use of two different Ti-6Al-4V powders of different size fractions in the EBM process; a larger 45-100 μm powder, and a smaller 25-45 μm powder. We have also investigated the effects of two build layer thicknesses, 70 μm and 50 μm, respectively. We hypothesize that the smaller powder has the potential to improve surface resolution of parts produced in the EBM process. The EBM as-built parts were investigated regarding surface and bulk chemistry, surface oxide thickness, macro- and microstructure, surface appearance and mechanical properties. We conclude from the results that both powders and both build layer thicknesses are feasible to use in the EBM process. The investigated material properties were not significantly affected by powder size or layer thickness within the studied range of process parameters. However, the surface appearance was found to be different for the samples made with the different powder sizes.

  • 23. Lanekoff, Ingela
    et al.
    Hill, Rowland
    Fletcher, John S.
    Vickerman, John C.
    Winograd, Nick
    Ewing, Andrew
    Sjövall, Peter
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Kurczy, Michael E.
    Time of Flight Mass Spectrometry Imaging of Samples Fractured In Situ with a Spring-Loaded Trap System.2010Ingår i: Analytical Chemistry, Vol. 82, s. 6652-6659Artikel i tidskrift (Refereegranskat)
  • 24.
    Lanekoff, Ingela T.
    et al.
    University of Gothenburg, Sweden.
    Phan, Nhu T. N.
    University of Gothenburg, Sweden.
    van Bell, Craig T.
    Edinboro University, USA.
    Winograd, Nicholas
    Penn State University, USA.
    Sjövall, Peter
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Ewing, Andrew
    Chalmers University of Technology, Sweden.
    Mass spectrometry imaging of freeze-dried membrane phospholipids of dividing Tetrahymena pyriformis2013Ingår i: Surface and Interface Analysis, ISSN 0142-2421, E-ISSN 1096-9918, Vol. 45, nr 1, s. 211-214Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Time of Flight secondary ion mass spectrometry (TOF-SIMS) has been used to explore the distribution of phospholipids in the plasma membrane of Tetrahymena pyriformis during cell division. The dividing cells were freeze-dried prior to analysis followed by line scan and region of interest analysis at various stages of cell division. The results showed no signs of phospholipid domain formation at the junction between the dividing cells. Instead the results showed that the sample preparation technique had a great impact on one of the examined phospholipids, namely phosphatidylcholine (PC). Phosphatidylcholine and 2-aminoethylphosphonolipid (2-AEP) have therefore been evaluated in Tetrahymena cells that have been subjected to different sample preparation techniques: freeze drying ex situ, freeze fracture, and freeze fracture with partial or total freeze drying in situ. The result suggests that freeze drying ex situ causes the celia to collapse and cover the plasma membrane.

  • 25.
    Larsson Wexell, Cecilia
    et al.
    University of Gothenburg, Sweden; Södra Älvsborgs sjukhus, Sweden; Sahlgrenska Academy, Sweden.
    Thomsen, Peter
    University of Gothenburg, Sweden; Södra Älvsborgs sjukhus, Sweden; BIOMATCELL, Sweden.
    Aronsson, Björn Owe
    Chalmers University of Technology, Sweden; Nano Bridging Molecules SA, Switzerland.
    Tengvall, Pentti
    Sahlgrenska Academy, Sweden; BIOMATCELL, Sweden; Linköping University, Sweden.
    Rodahl, Michael
    Chalmers University of Technology, Sweden.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf). Sahlgrenska Academy, Sweden; BIOMATCELL, Sweden.
    Bone response to surface-modified titanium implants: Studies on the early tissue response to implants with different surface characteristics2013Ingår i: International Journal of Biomaterials, ISSN 1687-8787, E-ISSN 1687-8795, artikel-id 412482Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    In a series of experimental studies, the bone formation around systematically modified titanium implants is analyzed. In the present study, three different surface modifications were prepared and evaluated. Glow-discharge cleaning and oxidizing resulted in a highly stoichiometric TiO2 surface, while a glow-discharge treatment in nitrogen gas resulted in implants with essentially a surface of titanium nitride, covered with a very thin titanium oxide. Finally, hydrogen peroxide treatment of implants resulted in an almost stoichiometric TiO2, rich in hydroxyl groups on the surface. Machined commercially pure titanium implants served as controls. Scanning Auger Electron Spectroscopy, Scanning Electron Microscopy, and Atomic Force Microscopy revealed no significant differences in oxide thickness or surface roughness parameters, but differences in the surface chemical composition and apparent topography were observed. After surface preparation, the implants were inserted in cortical bone of rabbits and evaluated after 1, 3, and 6 weeks. Light microscopic evaluation of the tissue response showed that all implants were in contact with bone and had a large proportion of newly formed bone within the threads after 6 weeks. There were no morphological differences between the four groups. Our study shows that a high degree of bone contact and bone formation can be achieved with titanium implants of different surface composition and topography.

  • 26.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Bone tissue reactions to biomimetic ion-substituted apatite surfaces on titanium implants2012Ingår i: Journal of the Royal Society Interface, ISSN 1742-5689, E-ISSN 1742-5662, Vol. 9, nr 72, s. 1615-1624Artikel i tidskrift (Refereegranskat)
  • 27.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Commercially available dental implants: Review of their surface characteristics2012Ingår i: Journal of Biomaterials and Tissue Engineering, ISSN 2157-9083, E-ISSN 2157-9091, Vol. 2, nr 2, s. 112-124Artikel i tidskrift (Refereegranskat)
  • 28.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Contamination of polyethylene cups with polymethylmethacrylate particles”2001Ingår i: The Journal of Arthroplasty, ISSN 0883-5403, E-ISSN 1532-8406, Vol. 16, nr 7, s. 905-908Artikel i tidskrift (Övrigt vetenskapligt)
  • 29.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Contamination of polyethylene cups with polymethylmethacrylate particles. (An experimental study)1999Konferensbidrag (Övrigt vetenskapligt)
  • 30.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Crystallization kinetics of thin amorphous water films on surfaces: theory and computer modeling2004Ingår i: Phys. Chem. Chem. Phys, Vol. 6, s. 1890-1898Artikel i tidskrift (Övrigt vetenskapligt)
  • 31.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Highly packed and aligned fluoride substituted hydroxyapatite via a surfactant-free process2012Ingår i: Journal of Biomedical Materials Research. Part B - Applied biomaterials, ISSN 1552-4973, E-ISSN 1552-4981, Vol. 100, nr 1, s. 75-81Artikel i tidskrift (Refereegranskat)
  • 32.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Impact of nanostructure on bacterial adhesion and EPS production2011Ingår i: European Cells and Materials, ISSN 1473-2262, E-ISSN 1473-2262, Vol. 21, nr S1, s. 42-Artikel i tidskrift (Refereegranskat)
  • 33.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Impact of polymer surface affinity of novel antifouling agents2004Ingår i: Biotechnology and Bioengineering, Vol. 86, s. 1-8Artikel i tidskrift (Refereegranskat)
  • 34.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Incorporation of active ions into calcium phosphate coatings, their release behavior and mechanism2012Ingår i: Biomedical Materials, ISSN 1748-6041, E-ISSN 1748-605X, Vol. 7, nr 4, s. 45018-Artikel i tidskrift (Refereegranskat)
  • 35.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Increased wear of UHMWPE caused by calcium phosphate precipitation2001Ingår i: Proceedings of 17th European Biomaterials Conference, London, England, September 12-14, 2001, 2001Konferensbidrag (Övrigt vetenskapligt)
  • 36.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Influence of well-defined titanium-coated topographical nanostructures on bone formation in vivo2011Ingår i: European Cells and Materials, ISSN 1473-2262, E-ISSN 1473-2262, Vol. 21, nr S1, s. 17-Artikel i tidskrift (Refereegranskat)
  • 37.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Interaction between dendrimers and thin polymer films studied by TOF-SIMS2001Konferensbidrag (Övrigt vetenskapligt)
  • 38.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Interaction of anti-barnacle drugs (catemines) with components in marine paint formulations2000Konferensbidrag (Övrigt vetenskapligt)
  • 39.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Interactions between human whole blood and modified TiO2 surfaces: Influence of surface topography and oxide thickness on leukocyte adhesion and activation2001Ingår i: Biomaterials, ISSN 0142-9612, E-ISSN 1878-5905, Vol. 22, nr 14, s. 1987-1996Artikel i tidskrift (Övrigt vetenskapligt)
  • 40.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Nanostructured noble metals on implants in vitro and in vivo2011Ingår i: European Cells and Materials, ISSN 1473-2262, E-ISSN 1473-2262, Vol. 21, nr S1, s. 50-Artikel i tidskrift (Refereegranskat)
  • 41.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Properties of thin high-density polyethylene films prepared by spin coating1999Ingår i: Polymeric materials science and engineering, ISSN 0743-0515, Vol. 80, s. 398-399Artikel i tidskrift (Övrigt vetenskapligt)
  • 42.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Spin coating and characterization of thin high-density polyethylene films2001Ingår i: Macromolecules, ISSN 0024-9297, E-ISSN 1520-5835, Vol. 34, nr 21, s. 7496-7503Artikel i tidskrift (Övrigt vetenskapligt)
  • 43.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Structure and surface of TiNi human implants2001Ingår i: Biomaterials, ISSN 0142-9612, E-ISSN 1878-5905, Vol. 22, nr 15, s. 2131-2138Artikel i tidskrift (Övrigt vetenskapligt)
  • 44.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Surface modification of spin-coated high-density polyethylene films by argon and oxygen glow discharge treatments2002Ingår i: Applied Surface Science, ISSN 0169-4332, E-ISSN 1873-5584, Vol. 202, s. 92-103Artikel i tidskrift (Övrigt vetenskapligt)
  • 45.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    The stimulation of an osteogenic response by classical monocyte activation2011Ingår i: Biomaterials, ISSN 0142-9612, E-ISSN 1878-5905, Vol. 32, nr 32, s. 8190-8204Artikel i tidskrift (Refereegranskat)
  • 46.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    TOF-SIMS characterization of a number of different liquid chromatographic media aimed for purification of biotheraputics2001Ingår i: 13th International Conference on Secondary Ion Mass Spectrometry and Related Topics (SIMS XIII), Nara, Japan, November 11-16, 2001. Proceedings, 2001Konferensbidrag (Övrigt vetenskapligt)
  • 47.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Tribological investigation of oriented HDPE1999Ingår i: Proc. Annual ACS Spring Meetings. Div. Polymer Science and Engineering, 1999Konferensbidrag (Övrigt vetenskapligt)
  • 48.
    Lausmaa, Jukka
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    UV-light treatment of thin high-density polyethylene films monitored by quartz crystal microbalance2004Ingår i: Journal of Applied Polymer Science, Vol. 92, s. 2833-2839Artikel i tidskrift (Refereegranskat)
  • 49.
    Lausmaa, Jukka
    et al.
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Boldizar, Antal
    TOF-SIMS study of injection-moulded polystyrene2003Ingår i: Journal of Polymer and Engineering & Science, Vol. 43, s. 1289-1297Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    TOF-SIMS study of injection-moulded polystyrene

  • 50.
    Lausmaa, Jukka
    et al.
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Boldizar, Antal
    Tribological investigation of oriented HDPE2002Ingår i: Journal of Biomedical Materials Research, ISSN 0021-9304, E-ISSN 1097-4636, Vol. 61, nr 4, s. 634-640Artikel i tidskrift (Övrigt vetenskapligt)
123 1 - 50 av 118
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