scholarly journals Continuous flow vortex fluidic-mediated exfoliation and fragmentation of two-dimensional MXene

2020 ◽  
Vol 7 (5) ◽  
pp. 192255
Author(s):  
Ahmed Hussein Mohammed Al-antaki ◽  
Suela Kellici ◽  
Nicholas P. Power ◽  
Warren D. Lawrance ◽  
Colin L. Raston
Keyword(s):  
Thin Film ◽  
Continuous Flow ◽  
Isopropyl Alcohol ◽  
Inert Atmosphere ◽  
Operating Parameters ◽  
Two Dimensional ◽  
Flow Conditions ◽  
2D Material ◽  
Fluidic Device ◽  
Flow Vortex

MXene (Ti 2 CT x ) is exfoliated in a vortex fluidic device (VFD), as a thin film microfluidic platform, under continuous flow conditions, down to ca 3 nm thin multi-layered two-dimensional (2D) material, as determined using AFM. The optimized process, under an inert atmosphere of nitrogen to avoid oxidation of the material, was established by systematically exploring the operating parameters of the VFD, along with the concentration of the dispersed starting material and the choice of solvent, which was a 1 : 1 mixture of isopropyl alcohol and water. There is also some fragmentation of the 2D material into nanoparticles ca 68 nm in diameter.

Vortex Fluidic Ethenolysis, Integrating a Rapid Quench of Ruthenium Olefin Metathesis Catalysts

2020 ◽  
Vol 73 (12) ◽  
pp. 1138
Author(s):  
Scott J. Pye ◽  
Justin M. Chalker ◽  
Colin L. Raston
Keyword(s):  
Thin Film ◽  
Olefin Metathesis ◽  
Continuous Flow ◽  
Rapid Quenching ◽  
Flow Process ◽  
Rapid Quench ◽  
Metathesis Catalyst ◽  
Fluidic Device ◽  
Continuous Flow Process ◽  
Metathesis Catalysts

Ruthenium-catalysed ethenolysis occurs in a vortex fluidic device (VFD) – a scalable, thin-film microfluidic continuous flow process. This process takes advantage of the efficient mass transfer of gaseous reagents into the dynamic thin film of liquid. Also reported is the rapid quenching of the ruthenium-based olefin metathesis catalyst by the addition of a saturated solution of N-acetyl-l-cysteine in MeCN, as a convenient alternative to previously reported quenching methods.

scholarly journals Dynamic thin film mediated slicing of boron nitride nanotubes

2019 ◽  
Vol 1 (12) ◽  
pp. 4722-4728 ◽  
Author(s):  
Ahmed Hussein Mohammed Al-antaki ◽  
Warren D. Lawrance ◽  
Colin L. Raston
Keyword(s):  
Thin Film ◽  
Boron Nitride ◽  
Continuous Flow ◽  
Boron Nitride Nanotubes ◽  
Fluidic Device

A method has been developed to slice boron nitride nanotubes BNNTs under continuous flow in a vortex fluidic device (VFD), along with a method to partially purify the as received BNNT containing material.

Continuous flow vortex fluidic synthesis of silica xerogel as a delivery vehicle for curcumin

RSC Advances ◽  
2015 ◽  
Vol 5 (11) ◽  
pp. 7953-7958 ◽  
Author(s):  
Chee Ling Tong ◽  
Uwe H. Stroeher ◽  
Melissa H. Brown ◽  
Colin L. Raston
Keyword(s):  
Antimicrobial Activity ◽  
Continuous Flow ◽  
Room Temperature ◽  
Sol Gel ◽  
Silica Xerogel ◽  
Delivery Vehicle ◽  
Fluidic Device ◽  
Flow Vortex ◽  
Sol Gel Synthesis ◽  
Direct Incorporation

Sol–gel synthesis of silica xerogel using a continuous flow vortex fluidic device at room temperature is effective in direct incorporation of preformed curcumin particles, which has antimicrobial activity against Staphylococcus aureus.

Vortex fluidics synthesis of polymer coated superparamagnetic magnetite nanoparticles

2017 ◽  
Vol 41 (2) ◽  
pp. 552-558 ◽  
Author(s):  
Nicholas J. D'Alonzo ◽  
Paul K. Eggers ◽  
Colin L. Raston
Keyword(s):  
Magnetic Properties ◽  
Magnetite Nanoparticles ◽  
Continuous Flow ◽  
Flow Conditions ◽  
Fluidic Device

Polymer coated superparamagnetic magnetite nanoparticles with improved magnetic properties are accessible under continuous flow conditions within a vortex fluidic device.

Vortex fluidics mediated non-covalent physical entanglement of tannic acid and gelatin for entrapment of nutrients

2021 ◽  
Author(s):  
Xuejiao Cao ◽  
Nikita Joseph ◽  
Matt Jellicoe ◽  
Ahmed Hussein Mohammed Al-Antaki ◽  
Xuan Luo ◽  
...  
Keyword(s):  
Thin Film ◽  
Shear Stress ◽  
Tannic Acid ◽  
Continuous Flow ◽  
Simple Process ◽  
Fluidic Device ◽  
Physical Entanglement

We have developed a simple process for the entrapment of nutrients in shear stress induced non-covalent physically entangled tannic acid-gelatin gel in a thin film vortex fluidic device (VFD) operating under continuous flow.

Two-dimensional BN-doped ZnO thin-film deposition by a thermionic vacuum arc system

2020 ◽  
Vol 31 (9) ◽  
pp. 6948-6955
Author(s):  
Mustafa Özgür ◽  
Suat Pat ◽  
Reza Mohammadigharehbagh ◽  
Uğur Demirkol ◽  
Nihan Akkurt ◽  
...  
Keyword(s):  
Thin Film ◽  
Thin Film Deposition ◽  
Film Deposition ◽  
Vacuum Arc ◽  
Zno Thin Film ◽  
Two Dimensional ◽  
Doped Zno ◽  
Thermionic Vacuum Arc

scholarly journals Complex magnetism of the two-dimensional antiferromagnetic Ge2F: from a Néel spin-texture to a potential antiferromagnetic skyrmion

RSC Advances ◽  
2021 ◽  
Vol 11 (15) ◽  
pp. 8654-8663
Author(s):  
Fatima Zahra Ramadan ◽  
Flaviano José dos Santos ◽  
Lalla Btissam Drissi ◽  
Samir Lounis
Keyword(s):  
Density Functional Theory ◽  
Magnetic Properties ◽  
Density Functional ◽  
Low Energy ◽  
Two Dimensional ◽  
Functional Theory ◽  
2D Material ◽  
Energy Models ◽  
Spin Texture

Based on density functional theory combined with low-energy models, we explore the magnetic properties of a hybrid atomic-thick two-dimensional (2D) material made of germanene doped with fluorine atoms in a half-fluorinated configuration (Ge2F).

Metal–organic frameworks for the removal of the emerging contaminant atenolol under real conditions

2021 ◽  
Vol 50 (7) ◽  
pp. 2493-2500
Author(s):  
Sara Rojas ◽  
Jorge A. R. Navarro ◽  
Patricia Horcajada
Keyword(s):  
Continuous Flow ◽  
Metal Organic Frameworks ◽  
Fixed Bed ◽  
Emerging Contaminant ◽  
Flow Conditions ◽  
Metal Organic ◽  
Fixed Bed System

A defective Metal-Organic Frameworks as an improved material for the construction of a fixed-bed system working under continuous flow conditions for the removal of the emerging contaminant atenolol.

scholarly journals Formation and Utility of Reactive Ketene Intermediates Under Continuous Flow Conditions

Tetrahedron ◽  
2021 ◽  
pp. 132305
Author(s):  
Harry R. Smallman ◽  
Jamie A. Leitch ◽  
Tom McBride ◽  
Steven V. Ley ◽  
Duncan L. Browne
Keyword(s):  
Continuous Flow ◽  
Flow Conditions
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