نتایج جستجو برای: lyophilisation

تعداد نتایج: 89  

2012
Mario Schubert Silvia Bleuler-Martinez Alex Butschi Martin A. Wälti Pascal Egloff Katrin Stutz Shi Yan Mayeul Collot Jean-Maurice Mallet Iain B. H. Wilson Michael O. Hengartner Markus Aebi Frédéric H.-T. Allain Markus Künzler

(28 mg, 24 µmol) was dissolved in a mixture of ethanol (2 mL) and water (1 mL). Pd/C 10% (12 mg) was added and the solution was stirred. Vacuum and H 2 were alternated and the mixture was allowed to stir under H 2 overnight. The mixture was filtered off through Celite and concentrated. The residue was dissolved in water and filtered through a 0.45 µm syringe filter and concentrated. The residue...

Journal: :Metals 2022

The development of new multicomponent nanoparticles is gaining increasing importance due to their specific functional properties, i.e., synthesised complex concentrated (CCNPs) in the form powder using ultrasonic spray pyrolysis (USP) and lyophilisation from initial cast Ag20Pd20Pt20Cu20Ni20 alloy, which was function material after its catalytic abilities had been exhausted. Hydrometallurgical ...

Journal: :Journal of clinical pathology 1992
A Spengler A Gross H Kaltwasser

Long term storage techniques for the preservation of Helicobacter pylori were developed. The cells survived at -75 degrees C in the presence of glycerol and at +4 degrees C after freeze-drying. Both techniques are suitable for routine use.

Journal: :Nanotechnology reviews 2023

Abstract A coupled process of ultrasonic spray pyrolysis and lyophilisation was used for the synthesis dried gold nanoparticles. Two methods were applied determining their melting temperature: uniaxial microcompression differential scanning calorimetry (DSC) analysis. Uniaxial resulted in sintering nanoparticles at room temperature with an activation energy 26–32.5 J/g, which made it impossible...

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