Browsing Luonnontieteiden, metsätieteiden ja tekniikan tiedekunta by Author "Lehto, Vesa-Pekka"

Now showing items 1-11 of 11

    • Approaches to improve the biocompatibility and systemic circulation of inorganic porous nanoparticles 

      Tamarov, Konstantin; Näkki, Simo; Xu, Wujun; Lehto, Vesa-Pekka (Royal Society of Chemistry (RSC), 2018)
      The exploitation of various inorganic nanoparticles as drug carriers and therapeutics is becoming increasingly common. The first issue to be considered with regard to the nanomaterials being utilized in medicine centers ...
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    • Bisphosphonate modified mesoporous silicon for scandium adsorption 

      Thapa, Rinez; Nissinen, Tuomo; Turhanen, Petri; Määttä, Juha; Vepsäläinen, Jouko; Lehto, Vesa-Pekka; Riikonen, Joakim (Elsevier BV, 2020)
      Scandium has several applications in advanced technology, but its wider utilization is restricted by the limited supply. Scandium exists in low concentration in ores and, therefore, the conventional extraction methods are ...
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    • Controlling the Nature of Etched Si Nanostructures: High- versus Low-Load Metal-Assisted Catalytic Etching (MACE) of Si Powders 

      Tamarov, Konstantin; Swanson, Joseph D; Unger, Bret A; Kolasinski, Kurt W; Ernst, Alexis T; Aindow, Mark; Lehto, Vesa-Pekka; Riikonen, Joakim (American Chemical Society (ACS), 2020)
      Metal-assisted catalytic etching (MACE) involving Ag deposited on Si particles has been reported as a facile method for the production of Si nanowires (Si NWs). We show that the structure of Si particles subjected to MACE ...
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    • Dual‐contrast micro‐CT enables cartilage lesion detection and tissue condition evaluation ex vivo 

      Honkanen, Miitu KM; Mohammadi, Ali; te Moller, Nikae CR; Ebrahimi, Mohammadhossein; Xu, Wujun; Plomp, Saskia; Pouran, Behdad; Lehto, Vesa-Pekka; Brommer, Harold; van Weeren, P René; Korhonen, Rami K; Töyräs, Juha; Mäkelä, Janne TA (John Wiley & Sons Ltd, 2022)
      Background Post-traumatic osteoarthritis is a frequent joint disease in the horse. Currently, equine medicine lacks effective methods to diagnose the severity of chondral defects after an injury. Objectives To investigate ...

    • Fabrication of Porous Silicon Based Humidity Sensing Elements on Paper 

      Jalkanen, Tero; Määttänen, Anni; Mäkilä, Ermei; Tuura, Jaani; Kaasalainen, Martti; Lehto, Vesa-Pekka; Ihalainen, Petri; Peltonen, Jouko; Salonen, Jarno (Hindawi Publishing Corporation, 2015)
      A roll-to-roll compatible fabrication process of porous silicon (pSi) based sensing elements for a real-time humidity monitoring is described. The sensing elements, consisting of printed interdigitated silver electrodes ...
      info:eu-repo/semantics/article

    • Low-Load Metal-Assisted Catalytic Etching Produces Scalable Porosity in Si Powders 

      Tamarov, Konstantin; Kiviluoto, Riku; Swanson, Joseph D; Unger, Bret A; Ernst, Alexis T; Aindow, Mark; Riikonen, Joakim; Lehto, Vesa-Pekka; Kolasinski, Kurt W (American Chemical Society (ACS), 2020)
      The recently discovered low-load metal-assisted catalytic etching (LL-MACE) creates nanostructured Si with controllable and variable characteristics that distinguish this technique from the conventional high-load variant. ...
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    • Rapid synthesis of nanostructured porous silicon carbide from biogenic silica 

      Riikonen, Joakim; Rantanen, Jimi; Thapa, Rinez; Le, Nguyen T; Rigolet, Severinne; Fioux, Philippe; Turhanen, Petri; Bodiford, Nelli K; Kalluri, Jhansi R; lkonen, Timo; Nissinen, Tuomo; Lebeau, Benedicte; Vepsäläinen, Jouko; Coffer, Jeffery L; Lehto, Vesa-Pekka (Wiley, 2021)
      Nanostructured silicon carbide (SiC) is an exceptional material with numerous applications, for example, in catalysis, biomedicine, high-performance composites, and sensing. In this study, a fast and scalable method of ...
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    • Scalable Synthesis of Biodegradable Black Mesoporous Silicon Nanoparticles for Highly Efficient Photothermal Therapy 

      Xu, Wujun; Tamarov, Konstantin; Fan, Li; Granroth, Sari; Rantanen, Jimi; Nissinen, Tuomo; Peraniemi, Sirpa; Uski, Oskari; Hirvonen, Maija-Riitta; Lehto, Vesa-Pekka (American Chemical Society (ACS), 2018)
      Porous silicon (PSi) has attracted wide interest as a potential material for various fields of nanomedicine. However, until now, the application of PSi in photothermal therapy has not been successful due to its low ...
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    • Special Issue on the recent trends in Thermal Analysis and Calorimetry in the European Region 

      Lehto, Vesa-Pekka; Lastusaari, Mika; Kaljuvee, Tiit (Springer Science + Business Media, 2015)
      info:eu-repo/semantics/article

    • Synthesis of graphene-like carbon from agricultural side stream with magnesiothermic reduction coupled with atmospheric pressure induction annealing 

      Lähde, Anna; Haluska, Ondrej; Alatalo, Sara-Maaria; Sippula, Olli; Mešceriakovas, Arunas; Lappalainen, Reijo; Nissinen, Tuomo; Riikonen, Joakim; Lehto, Vesa-Pekka (IOP Publishing, 2020)
      Generally, large-scale production of graphene is currently not commercially viable due to expensive raw materials, complexity and the high-energy consumption of the processes currently used in the production. The use of ...
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    • The atomic local ordering of SBA-15 studied with pair distribution function analysis, and its relationship to porous structure and thermal stability 

      Rantanen, Jimi; Majda, Dorota; Riikonen, Joakim; Lehto, Vesa-Pekka (Elsevier BV, 2019)
      The atomic-scale structure of amorphous SBA-15 materials with different pore sizes (6.7–12.7 nm) was investigated using pair distribution functions calculated from the X-ray total scattering data. The data was collected ...
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