451. Dedni rak dojk in/ali jajčnikov : ambulanta za onkološko genetsko svetovanjeMateja Krajc, Srdjan Novaković, Janez Žgajnar, Ana Blatnik, Erik Škof, Alenka Vrečar, Natalija Klopčič, Amela Duratović Konjević, 2016, slovar, enciklopedija, leksikon, priročnik, atlas, zemljevid Ključne besede: genetsko svetovanje, rak dojke, rak jajčnikov, dedni rak
Objavljeno v DiRROS: 14.07.2016; Ogledov: 5513; Prenosov: 825
 Celotno besedilo (874,57 KB) |
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455. A polar/ [pi] model of interactions explains face-to-face stacked quinoid rings : a case study of the crystal of potassium hydrogen chloranilate dihydrateKrešimir Molčanov, Jernej Stare, Biserka Kojić-Prodić, Claude Lecomte, Slimane Dahaoui, Christian Jelsch, Emmanuel Wenger, Ana Šantić, Bartosz Zarychta, 2015, izvirni znanstveni članek Objavljeno v DiRROS: 22.03.2016; Ogledov: 3713; Prenosov: 585
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456. Standardization of PCM characterization via DSCStefan Gschwander, Thomas Haussmann, Georg Hagelstein, Aran Sole, Luisa F. Cabeza, Gonzalo Diarce, Wolfgang Hohenauer, Daniel Lager, Alenka Ristić, Christoph Rathgeber, Peter Hennemann, Harald Mehling, Conchita Peñalosa, Ana Lazaro, 2015, objavljeni znanstveni prispevek na konferenci Objavljeno v DiRROS: 02.12.2015; Ogledov: 2889; Prenosov: 0 |
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458. Structural and degradation studies of a biocompatible Zn-L-tartrate metal-organic frameworkAna Palčić, Andreas Puškarić, Matjaž Mazaj, Emanuela Žunkovič, Nataša Zabukovec Logar, Josip Bronić, 2015, izvirni znanstveni članek Povzetek: New anhydrous Zn-l-tratrate was synthesized under hydrothermal conditions. Crystal structure which was solved by powder X-ray diffraction data from monoclinic unit cell (I2, a=11.7557(1), b=9.0319(1), c=5.0750(1), β=91.920(1)) consists of the three-dimensional framework where each Zn atom coordinates four tartrate ligands in distorted octahedral geometry. Due to its biocompatible components, the degradation of material was studied in aqueous media under different pH values (pH=1–7) and in the simulated body fluid (pH=7.4) performed by the measurement of the released Zn2+ concentrations at thermostatic conditions (37 °C). The results showed that under acidic conditions approximately 60% of Zn2+ is released from the investigated material after 6 h of degradation process. With the increase of the solution’s pH, the rate of degradation gradually decreases. XRD and SEM analyses indicate that in aqueous media the compound slowly disintegrates and does not undergo hydrolysis process regardless of pH. Biocompatibility of the compound and its controllable rate of degradation even in acid conditions open its potential use in the fields of bio-applications.
Graphical abstract
The degradation kinetics of Zn-l-tar MOF material in aqueous media at different pH conditions.
Full-size image (24 K)
Ključne besede: Zn-tartrate, coordination polymers, hydrothermal synthesis, biomedical application, food supplement
Objavljeno v DiRROS: 26.01.2015; Ogledov: 4995; Prenosov: 472
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