Search Results - "Lehto, V P"

Electrochemically anodized porous silicon: Towards simple and affordable anode material for Li-ion batteries by Ikonen, T., Nissinen, T., Pohjalainen, E., Sorsa, O., Kallio, T., Lehto, V.-P.

“…Silicon is being increasingly studied as the next-generation anode material for Li-ion batteries because of its ten times higher gravimetric capacity compared…”
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Mesoporous silicon microparticles for oral drug delivery: Loading and release of five model drugs by Salonen, J., Laitinen, L., Kaukonen, A.M., Tuura, J., Björkqvist, M., Heikkilä, T., Vähä-Heikkilä, K., Hirvonen, J., Lehto, V.-P.

“…Mesoporous silicon (PSi) microparticles were produced using thermal carbonization (TCPSi) or thermal oxidation (TOPSi) to obtain surfaces suitable for oral…”
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Mesoporous silica material TUD-1 as a drug delivery system by Heikkilä, T., Salonen, J., Tuura, J., Hamdy, M.S., Mul, G., Kumar, N., Salmi, T., Murzin, D.Yu, Laitinen, L., Kaukonen, A.M., Hirvonen, J., Lehto, V.-P.

“…For the first time the feasibility of siliceous mesoporous material TUD-1 (Technische Universiteit Delft) for drug delivery was studied. Model drug, ibuprofen,…”
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Application of thermoporometry for characterization of mesoporous silicon: In search for probe liquid aimed at large pores by Majda, D., Ikonen, T., Krupa, A., Lehto, V.-P., Makowski, W.

“…Characterization of porous samples containing mesopores larger than 10 nm in size is often difficult due to limitations of standard methods. In the present…”
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New approach for determining cartilage pore size distribution: NaCl-thermoporometry by Majda, D., Bhattarai, A., Riikonen, J., Napruszewska, B.D., Zimowska, M., Michalik-Zym, A., Tӧyrӓs, J., Lehto, V.-P.

“…It is often challenging to analyse the pore structure of biological samples because they are sensitive to drying or changes in the composition of liquid within…”
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Histopathological Evaluation of Apoptosis in Cancer by Soini, Y., Pääkkö, P., Lehto, V-P.

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In vivo delivery of a peptide, ghrelin antagonist, with mesoporous silicon microparticles by Kilpeläinen, M., Riikonen, J., Vlasova, M.A., Huotari, A., Lehto, V.P., Salonen, J., Herzig, K.H., Järvinen, K.

“…Peptides may represent potential treatment options for many severe illnesses. However, they need an effective delivery system to overcome rapid degradation…”
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Surface chemistry and pore size affect carrier properties of mesoporous silicon microparticles by Limnell, T., Riikonen, J., Salonen, J., Kaukonen, A.M., Laitinen, L., Hirvonen, J., Lehto, V.-P.

“…Six different types of mesoporous silicon microparticles were prepared to evaluate the effect of surface treatment and pore sizes on their properties as drug…”
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Mesoporous materials as controlled drug delivery formulations by Santos, H.A., Salonen, J., Bimbo, L.M., Lehto, V.-P., Peltonen, L., Hirvonen, J.

“…In the last twenty years mesoporous materials (e.g., silica, silicon, and to a lesser extent titanium) have been extensively investigated as possible carriers…”
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Evaluation of mesoporous TCPSi, MCM-41, SBA-15, and TUD-1 materials as API carriers for oral drug delivery by Heikkilä, T, Salonen, J, Tuura, J, Kumar, N, Salmi, T, Murzin, D Yu, Hamdy, M S, Mul, G, Laitinen, L, Kaukonen, A M, Hirvonen, J, Lehto, V-P

“…The feasibility of four mesoporous materials composed of biocompatible Si (TCPSi) or SiO(2) (MCM-41, SBA-15, and TUD-1) were evaluated for oral drug delivery…”
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Atmospheric pressure chemical vapour synthesis of silicon–carbon nanoceramics from hexamethyldisilane in high temperature aerosol reactor by Miettinen, M., Johansson, M., Suvanto, S., Riikonen, J., Tapper, U., Pakkanen, T. T., Lehto, V.-P., Jokiniemi, J., Lähde, A.

“…Silicon–carbon nanoceramics have been synthesised from hexamethyldisilane (HMDS) by the atmospheric pressure chemical vapour synthesis (APCVS). Direct aerosol…”
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Controlled enlargement of pores by annealing of porous silicon by Salonen, J., Mäkilä, E., Riikonen, J., Heikkilä, T., Lehto, V.-P.

“…In the present work, a possibility to use thermal annealing of porous silicon to enlarge the pore sizes has been studied. The size of the pores can be…”
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Use of thermoanalytical methods in quantification of drug load in mesoporous silicon microparticles by LEHTO, V.-P, VÄHÄ-HEIKKILÄ, K, PASKI, J, SALONEN, J

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Sub-ppm trace moisture detection with a simple thermally carbonized porous silicon sensor by Salonen, J., Tuura, J., Björkqvist, M., Lehto, V.-P.

“…A simple humidity sensor based on thermally carbonized porous silicon has been used to detect low moisture contents in gaseous atmosphere. Thermal…”
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Studies on hysteresis reduction in thermally carbonized porous silicon humidity sensor by Bjorkqvist, M., Paski, J., Salonen, J., Lehto, V.-P.

“…Different ways to reduce hysteresis in a capacitive-type thermally carbonized porous silicon (TC-PS) humidity sensor are studied and compared. Modification of…”
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Determination of drug load in porous silicon microparticles by calorimetry by Salonen, J., Paski, J., Vähä-Heikkilä, K., Heikkilä, T., Björkqvist, M., Lehto, V.-P.

“…Different kind of drugs can be loaded into the porous silicon microparticles for oral dosing. In cases where the drug is in its crystalline form in the pores,…”
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Binding of GGA2 to the Lysosomal Enzyme Sorting Motif of the Mannose 6-Phosphate Receptor by Zhu, Yunxiang, Doray, Balraj, Poussu, Anssi, Lehto, Veli-Pekka, Kornfeld, Stuart

“…The GGAs are a multidomain protein family implicated in protein trafficking between the Golgi and endosomes. Here, the VHS domain of GGA2 was shown to bind to…”
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Insights into the Evaporation Kinetics of Indomethacin Solutions by Hellstén, S., Han, B., Mäkilä, E., Niemi, H., Salonen, J., Lehto, V.-P., Stelzer, T., Louhi-Kultanen, M., Ulrich, J.

“…Evaporation rates play a key role in evaporation crystallization and the drying of crystal products. Raman analysis was used to study the effect of the…”
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A feasible approach to measure metal concentrations in drill hole waters on site for mineral exploration by Rahmani, A., Tiihonen, T., Haluska, O., Tamarov, K., Lehto, V.P., Riikonen, J.

“…The new technologies used in the green transition towards carbon-free societies typically demand extensive use of metals. This leads to a heavily growing need…”
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Isomerization of n-butane to isobutane over Pt-modified Beta and ZSM-5 zeolite catalysts: Catalyst deactivation and regeneration by Villegas, J.I., Kumar, N., Heikkilä, T., Lehto, V.-P., Salmi, T., Murzin, D. Yu

“…This work addresses the deactivation behavior of H-Beta, H-ZSM-5, Pt-Beta and Pt-ZSM-5 catalysts in the isomerization of n-butane to isobutane. Furthermore,…”
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