Q150r rotary pumped sputter coater carbon coater

Manufactured by Quorum Technologies

Sourced in United Kingdom

The Q150R Rotary-Pumped Sputter Coater/Carbon Coater is a laboratory equipment designed for the deposition of thin films. It is capable of sputtering and carbon coating samples in a controlled vacuum environment.

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Lab products found in correlation

Quanta 450 feg, by Thermo Fisher Scientific (2 mentions) Ultima 4 x ray diffractometer, by Rigaku (1 mentions)

Close spelling variants of this product

Q150R ES Rotary-Pumped Sputter Coater/Carbon Coater Q150R rotary-pumped sputter Q150R sputter coater Sputter coater Carbon coater Q150RS

3 protocols using q150r rotary pumped sputter coater carbon coater

Surface Characterization of CNT Membranes

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For surface chemistry analysis, the CNTs were characterized by Fourier-transform infrared spectroscopy (FTIR) (Bruker-Avance) in the 400–4000 cm⁻¹ wavenumber range. The crystallinity and phase’s identification X-Ray diffraction (XRD) (Rigaku Ultima IV, Rigaku Company, The Woodlands, TX, USA) were obtained using Cu-Kα radiation (λ = 1.542 Å).
The surface and cross-section morphology of membranes were directly observed by scanning electron microscope (SEM) (Quanta FEG 450, Amsterdam, The Netherlands). The membranes were dried and coated with gold sputter (Q150R Rotary-Pumped Sputter Coater/Carbon Coater, Quorum Technologies, Lewes, UK). The surface hydrophilicity was evaluated by drop shape analyzer using a contact angle goniometer (Attension Theta Lite, Biolin Scientific Company, Västra Frölunda, Sweden).
By the gravimetric method, the porosity was obtained, where membranes were weighted after removing the water (m1) and after drying (m2). Membrane porosity (ε) was determined according to Equation (1):

ε = \frac{m 1 - m 2 / ρ_{H 2 O}}{(m 1 - m 2 / ρ_{H 2}) + (m 2 / ρ_{PES})}

where ρ_H2O is the density of water, 1.0 g/cm³, and ρ_PES is the density of PES, 1.37 g/cm³ [33 (link)].

Abu-Dalo M.A., Al-Atoom M.A., Aljarrah M.T, & Albiss B.A. (2022). Preparation and Characterization of Polymer Membranes Impregnated with Carbon Nanotubes for Olive Mill Wastewater. Polymers, 14(3), 457.

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Physicochemical Characterization of Atorvastatin Solid Dispersions

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Differential scanning calorimetry
Differential scanning calorimetry (DSC) measurements were carried out for atorvastatin, the used polymers, the prepared SDs, and their corresponding physical mixtures using DSC 204 (Netzch, Germany). Indium was used to calibrate temperature and energy scale. An accurately weighed sample was placed in a sealed aluminum pan (P/N 201-52943). Then, it was heated in the range 30-200 °C under constant nitrogen flow of 30 mL/min. An empty sealed aluminum pan was used as a reference. Sample crimper was used to seal the pans.
Powder X-Ray diffraction
Powder X-Ray diffraction (PXRD) pattern of atorvastatin, the used polymers, the prepared SDs and their corresponding physical mixtures were acquired using Ultima IV X-ray diffractometer (Rigaku, Japan) equipped with cobalt radiator at voltage of 40 KV and a current of 30 mA. The angle (2 Ө) scanning range of the samples was between 0°and 60°at step of 0.02°.
Scanning electron microscopy
Scanning electron microscopy (SEM) images were obtained using Quanta FEG 450, SEM (FEI, US), to study the surface morphology of atorvastatin, raw polymers, SDs, and their corresponding PMs. Before SEM analysis, the samples were placed on stubs and coated with platinum under vacuum atmosphere using Q150R rotary-pumped sputter coater/ carbon coater (Quorum Technologies, UK).

Altaani B., Obaidat R, & Malkawi W. (2020). Enhancement of dissolution of atorvastatin through preparation of polymeric solid dispersions using supercritical fluid technology. Research in Pharmaceutical Sciences, 15(2), 123-136.

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Scanning Electron Microscopy for Surface Morphology

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The surface morphology of the samples was obtained using Quanta FEG 450, SEM (FEI, felmi-zfe, Graz, Austria). Before performing SEM analysis, the samples were placed on stubs and coated with platinum under a vacuum atmosphere using Q150R Rotary-Pumped Sputter Coater/Carbon Coater (Quorum Technologies, Laughton, East Sussex, UK).

Alnaief M., Obaidat R.M, & Alsmadi M.M. (2020). Preparation of Hybrid Alginate-Chitosan Aerogel as Potential Carriers for Pulmonary Drug Delivery. Polymers, 12(10), 2223.

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