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5 protocols using gallium 3 chloride

1

Phosphonium Ionic Liquid and Metal Chlorides

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Trihexyl(tetradecyl)phosphonium chloride, [P66614][Cl] of 95% purity was purchased from Sigma-Aldrich. The metal chlorides used for this work were gallium(iii) chloride, iron(iii) chloride and tin(ii) chloride. Gallium(iii) chloride, GaCl3 of 99.999% purity, anhydrous iron(iii) chloride, FeCl3 of 97% purity and tin(ii) chloride, SnCl2 of 98% purity were also purchased from Sigma-Aldrich. All chemicals used are analytical grade and require no purification.
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2

Synthesis and Antibacterial Evaluation of Silver Nanoparticles

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4-Hydroxybenzaldehyde, methyl 4-formylbenzoate, pyrrole, Zinc tetraphenyl-porphyrin (ZnTPP), anhydrous zinc acetate, anhydrous indium (III) chloride, gallium (III) chloride and N,N’-dicyclohexylcarbodiimide (DCC) and N-hydroxysuccinimide (NHS), tryptic soy broth, crystal violet and 9,10 dimethylanthracene (DMA) were purchased from Sigma-Aldrich.
The synthesis of silver nanoparticles was done following a procedure described in literature (Agnihotri et al., 2014 (link)). Detonation nanodiamonds (DNDs) were obtained from the Nanocarbon Research Institute Ltd.
Dimethylformamide (DMF), dimethylsulfoxide (DMSO) and all other reagents were obtained from commercial suppliers and were of analytical grade purity and used without further purification. For sample purification, silica gel 60 (0.04–0.063 mm) was used for column chromatography.
The antibacterial experiments were carried out using Staphylococcus aureus obtained from Davies Diagnostics, South Africa. The nutrient agar and nutrient broth used to evaluate the bacteria growth and to feed the biofilms were purchased from Merk (Pty) Ltd. South Africa. Phosphate buffer saline (10 mM PBS, pH 7.4) was prepared using appropriate amounts of Na2HPO4 and NaOH using highly purified H2O from ELGA, Veolia water PURELAB, Flex system (Marlow, United Kingdom).
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3

Synthesis of Colloidal Nanocrystals

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Indium(III) acetate (In(OAc)3,
99.99%), zinc(II) acetate (Zn(OAc)2, 99.99%), palmitic
acid (PA, C15H31COOH, 99.99%, stored at
−20 °C), gallium(III) chloride (beads, Sigma-Aldrich,
99.99%), tris(trimethylsilyl)-phosphine (P(TMS)3, 95%), 1-octadecene (ODE, 95%), oleic acid (Sigma-Aldrich,
99.99%), ammonium sulfide solution ((NH4)2S,
20% in H2O), 1-octadecene (ODE, 95%), formamide (FA, 99%),
dimethylformamide (DMF, 99%), Zn stearate (technical grade),
sulfur powder (99.98% trace metals basis), and trioctylphosphine
(TOP, 90% technical grade) were purchased from Sigma-Aldrich. Selenium
powder (99.98% trace metals basis) was purchased by Chem Pure. All
the chemicals were used without further purification.
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4

Synthesis of Colloidal Nanocrystals

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Copper(II) sulfate pentahydrate (CuSO4·5H2O, 99.995%), oleic
acid (OA, tech., 90%), 1-dodecanethiol (DDT, ≥98%), oleylamine (tech., 70%),
gallium(III) chloride (GaCl3, anhydrous, beads), trioctylphosphine (90%),
diphenylphosphine (98%), triphenylphosphite (97%), indium(III) acetate
(In(Ac)3, 99.99%), copper(I) iodide (CuI, 98%), anhydrous methanol, anhydrous
butanol, and anhydrous toluene were all purchased from Sigma-Aldrich and used as supplied,
except for OA and OLAM, which were degassed prior to use.
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5

Porphyrin Synthesis and Characterization

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Pyrrole, 4-bromobenzaldehyde, dichloromethane (DCM), methanol (MeOH), high purity grade silica gel (35–60 mesh particle size, thin layer chromatography (TLC) plates, sodium acetate, 5-bromo-2-thiophenecarboxaldehyde, indium(III) chloride, tetraphenylporphyrin (H2TPP), zinc tetraphenylporphyrin (ZnTPP) and gallium (III) chloride were purchased from Sigma Aldrich (Munich, Germany). Hexane, propionic acid, sodium hydrogen carbonate, acetic acid and zinc acetate were purchased from Loba Chemie PVT Ltd, Mumbai, India. Toluene and ethyl acetate were purchased from Fisher Scientific, Leicestershire, UK. Distilled water was obtained from an ultrapure filtration system (Millipore, resistivity 18 mΩ cm−1). TiO2 P25 was purchased from Univar Canada.
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