Search Results - "Szterner, Piotr"

Effect of reaction time, heating and stirring rate on the morphology of HAp obtained by hydrothermal synthesis by Szterner, Piotr, Biernat, Monika

“…Hydroxyapatite (HAp) whiskers were prepared in reaction of calcium lactate pentahydrate and orthophosphoric acid. Synthesis were carried out in different…”
Get full text

The Synthesis of Hydroxyapatite by Hydrothermal Process with Calcium Lactate Pentahydrate: The Effect of Reagent Concentrations, pH, Temperature, and Pressure by Szterner, Piotr, Biernat, Monika

“…Hydroxyapatite and other calcium phosphates in the form of whiskers are lately widely considered as fillers for biocomposites due to their special biological…”
Get full text

Morphology Control of Hydroxyapatite as a Potential Reinforcement for Orthopedic Biomaterials: The Hydrothermal Process by Szterner, Piotr, Antosik, Agnieszka, Pagacz, Joanna, Tymowicz-Grzyb, Paulina

“…Hydroxyapatite (HAp) of different morphologies was prepared by the direct decomposition of calcium lactate pentahydrate chelates using dipotassium hydrogen…”
Get full text

Calcination and ion substitution improve physicochemical and biological properties of nanohydroxyapatite for bone tissue engineering applications by Kurzyk, Agata, Szwed-Georgiou, Aleksandra, Pagacz, Joanna, Antosik, Agnieszka, Tymowicz-Grzyb, Paulina, Gerle, Anna, Szterner, Piotr, Włodarczyk, Marcin, Płociński, Przemysław, Urbaniak, Mateusz M., Rudnicka, Karolina, Biernat, Monika

“…Nanohydroxyapatite (nanoHAP) is widely used in bone regeneration, but there is a need to enhance its properties to provide stimuli for cell commitment and…”
Get full text

Effects of Sterilization and Hydrolytic Degradation on the Structure, Morphology and Compressive Strength of Polylactide-Hydroxyapatite Composites by Kasprzak, Mirosław, Szabłowska, Agnieszka, Kurzyk, Agata, Tymowicz-Grzyb, Paulina, Najmrodzki, Adrian, Woźniak, Anna, Antosik, Agnieszka, Pagacz, Joanna, Szterner, Piotr, Plichta, Andrzej, Wieciński, Piotr, Rusek-Wala, Paulina, Krupa, Agnieszka, Płociński, Przemysław, Rudnicka, Karolina, Biernat, Monika

“…Composites based on polylactide (PLA) and hydroxyapatite (HA) were prepared using a thermally induced phase separation method. In the experimental design, the…”
Get full text

Thermodynamic properties of polymorphic forms of theophylline. Part I: DSC, TG, X-ray study by Szterner, Piotr, Legendre, Bernard, Sghaier, Mehrez

“…The physicochemical properties of theophylline hydrate and anhydrous polymorphic forms I and II were evaluated using crystallographic and calorimetric method…”
Get full text

Thermodynamic properties of polymorphic forms of theophylline. Part II: The enthalpies of solution in water at 298.15 K by Szterner, Piotr

“…The enthalpies of solution of polymorphic forms I and II of theophylline in water at 298.15 K using the isoperibol solution calorimeter have been determined in…”
Get full text

Molar Heat Capacities of Some Derivatives of Uridine and 2′-Deoxyuridine by Szterner, Piotr

“…The molar heat capacities C p,m of seven crystalline compounds (uridine, 2′-deoxyuridine, 5-iodouridine, 5-bromouridine, 5-iodo-2′-deoxyuridine,…”
Get full text

Synthesis and Physicochemical Properties of Nd‐, Sm‐, Eu‐Based Cuprate High‐Temperature Superconductors by Peczkowski, Pawel, Kowalik, Marcin, Zachariasz, Piotr, Jastrzebski, Cezariusz, Jaegermann, Zbigniew, Szterner, Piotr, Woch, Wieslaw Marek, Szczytko, Jacek

“…The aim of the research is to create new high‐temperature superconductors (HTS) NdBa2Cu3O7−x, SmBa2Cu3O7−x, EuBa2Cu3O7−x, and Nd1/3Sm1/3Eu1/3Ba2Cu3O7−x based…”
Get full text

Effects of Forming Pressure on Physicochemical Properties of YBCO Ceramics by Peczkowski, Pawel, Szterner, Piotr, Jaegermann, Zbigniew, Kowalik, Marcin, Zalecki, Ryszard, Woch, Wieslaw Marek

“…This article details the solid-state synthesis of high-temperature superconducting YBa 2 Cu 3 O 7− x . Tests were carried out on samples formed at different…”
Get full text

Energetic characterization of uracil derivatives: Orotic and isoorotic acids by Amaral, Luísa M.P.F., Szterner, Piotr, Morais, Victor M.F., Ribeiro da Silva, Maria D.M.C., Ribeiro da Silva, Manuel A.V.

“…[Display omitted] •Experimental/computational energetic study of orotic and isoorotic acids.•Enthalpies of formation of the crystalline compounds from…”
Get full text

Molar Heat Capacities of Aminouracils by Differential Scanning Calorimetry by Zielenkiewicz, Wojciech, Szterner, Piotr

“…The molar heat capacities C p ,m of four crystalline compounds (5-aminouracil, 6-aminouracil, 6-amino-1-methyluracil, and 6-amino-1,3-dimethyluracil) were…”
Get full text

Thermodynamic and structural study of tolfenamic acid polymorphs by Surov, Artem O., Szterner, Piotr, Zielenkiewicz, Wojciech, Perlovich, German L.

“…The article deals with the study of two polymorphic modifications in the space groups P2 1/c (white form) and P2 1/n (yellow form) of the tolfenamic acid. It…”
Get full text

Energetic characterization of a bioactive compound: Uridine by Szterner, Piotr, Amaral, Luísa M.P.F., Morais, Victor M.F., Ribeiro da Silva, Maria D.M.C., Ribeiro da Silva, Manuel A.V.

“…•Experimental and computational energetic study of uridine.•Crystalline phase enthalpy of formation derived from combustion calorimetry.•Conformations of…”
Get full text

5-Isopropylbarbituric and 2-thiobarbituric acids: An experimental and computational study by Szterner, Piotr, Galvão, Tiago L.P., Amaral, Luísa M.P.F., Ribeiro da Silva, Maria D.M.C., Ribeiro da Silva, Manuel A.V.

“…•Experimental/computational energetic study of 5-isopropyl and 2-thiobarbituric acids.•Enthalpies of formation of the crystalline compounds from combustion…”
Get full text

Enthalpies of formation of 5,6-dihydro-5-methyluracil and 5,6-dihydro-6-methyluracil by Amaral, Luísa M.P.F., Szterner, Piotr, Ribeiro da Silva, Manuel A.V.

“…•ΔcHm° of two methyl-5,6-dihydrouracils have been determined by combustion calorimetry.•Vapor pressures were measured by the Knudsen effusion technique.•Gas…”
Get full text

Thermochemical study of the isomeric compounds: 3-acetylbenzonitrile and benzoylacetonitrile by Amaral, Luísa M.P.F., Szterner, Piotr, Morais, Victor M.F., Ribeiro da Silva, Manuel A.V.

“…•Enthalpies of formation of 3-acetylbenzonitrile and benzoylacetonitrile were determined by combustion calorimetry.•Enthalpies of sublimation determined by…”
Get full text

Experimental thermochemical study of fluoro-, chloro-, and bromo-derivatives of uracil by Ribeiro da Silva, Manuel A.V., Amaral, Luísa M.P.F., Szterner, Piotr

“…► Combustion calorimetry was used to determine ΔfHm∘(cr) of halo derivatives of uracil. ► Gas-phase ΔfHm∘ of the studied compounds have been derived. ► The…”
Get full text

Enthalpy of formation of 5-fluoro-1,3-dimethyluracil: 5-Fluorouracil revisited by Amaral, Luísa M.P.F., Szterner, Piotr, Miranda, Margarida S., Ribeiro da Silva, Manuel A.V.

“…•Enthalpies of formation measured by rotating bomb combustion calorimetry.•Sublimation enthalpies determined by the Knudsen mass-loss effusion…”
Get full text

Experimental study on the thermochemistry of 2-thiouracil, 5-methyl-2-thiouracil and 6-methyl-2-thiouracil by Ribeiro da Silva, Manuel A.V., Amaral, Luísa M.P.F., Szterner, Piotr

“…► Combustion calorimetry was used to determine ΔfHmo (cr) of the title compounds. ► Vapour pressure as a function of temperature was determined by the Knudsen…”
Get full text