Precursor salts of Ni(NO3)2•6H2O (99%), Mg(NO3)2•6H2O (99 + %), Al(NO3)3•9H2O (99 + %), ZrO(NO3)2•H2O (99.5%), Co(NO3)2•6H2O (99 + %), Ga(NO3)3•H2O (99.99%), Ce(NO3)3•6H2O (99.5%), and Cr(NO3)3•9H2O (99%) were purchased from Acros Organics; In(NO3)3•H2O (99.99%), Nd(NO3)3•6H2O (99.9%), Er(NO3)3•5H2O (99.9%), and Pt(NO3)4 solution (Pt 15 w/w) were purchased from Alfa Asear; Fe(NO3)3•9H2O was purchased from Fisher Chemical; Zn(NO3)2•6H2O (98%) was purchased from Sigma Aldrich; Pd(NO3)2•H2O (99.8%, Pd 39% min) and IrCl3•3H2O (Ir 53–56%) were purchased from Thermo Scientific. NaOH pellets were purchased from Sigma Aldrich. Hexadecyltrimethylammonium bromide (CTAB, 99 + %) and HCl (37%) were purchased from Acros Organics. Ethanol (200 proof) was obtained from Decon Labs, Inc.
Mg no3 2 6h2o
Manufactured by Thermo Fisher Scientific
Sourced in United Kingdom, China, United States, Germany
Mg(NO3)2·6H2O is a chemical compound that consists of magnesium nitrate hexahydrate. It is a crystalline solid that is soluble in water.
Automatically generated - may contain errors
Lab products found in correlation
Ni no3 2 6h2o, by Thermo Fisher Scientific (4 mentions)
Fe no3 3 9h2o, by Thermo Fisher Scientific (2 mentions)
Co no3 2 6h2o, by Thermo Fisher Scientific (2 mentions)
Na2co3, by Thermo Fisher Scientific (2 mentions)
200 proof ethanol, by Decon Labs (1 mentions)
Naoh pellet, by Merck Group (1 mentions)
Hydrochloric acid (hcl), by Thermo Fisher Scientific (1 mentions)
Zn no3 2 6h2o, by Merck Group (1 mentions)
Zro no3 2 h2o, by Thermo Fisher Scientific (1 mentions)
Ce no3 3 6h2o, by Thermo Fisher Scientific (1 mentions)
Cr no3 3 9h2o, by Thermo Fisher Scientific (1 mentions)
Hexadecyltrimethylammonium bromide ctab, by Thermo Fisher Scientific (1 mentions)
Ircl3 3h2o, by Thermo Fisher Scientific (1 mentions)
10 ml syringe, by BD (1 mentions)
Cu no3 2 3h2o, by Thermo Fisher Scientific (1 mentions)
Zn no3 2 6h2o, by Thermo Fisher Scientific (1 mentions)
2 aminoterephthalic acid, by Thermo Fisher Scientific (1 mentions)
5 aminoisophthalic acid, by Thermo Fisher Scientific (1 mentions)
Hydrochloric acid (hcl), by Xilong (1 mentions)
Sodium borohydride, by Thermo Fisher Scientific (1 mentions)
9 protocols using mg no3 2 6h2o
1
Synthesis of Metal Oxide Nanoparticles
2
Synthesis of Metal Nitrate Oxide Nanofibers
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The metal nitrate precursor salts used were Fe(NO3)3 9H2O (Acros Organics, 99%), Co(NO3)2 6H2O (Acros Organics, 99%), Ni(NO3)2 6H2O (Alfa Aesar, 99.99%), Cr(NO3)3 9H2O (Strem Chemicals, 99%), Cu(NO3)2 3H2O (Acros Organics, 99%), Mg(NO3)2 6H2O (Acros Organics, 99%), Zn(NO3)2·6H2O (Alfa Aesar, 99%) and Mn(NO3)2xH2O (Thermo Fisher, 99.99%). The cellulose acetate (CA, Acros Organics) 12% (w/v) solution with acetone as a solvent. The precursor solution (1.0 mol L−1) was prepared by dissolving various nitrate salts (having equimolar concentration) in the CA solution. After completely dissolved solution formation, the spinning precursor solution was loaded into a 10 mL syringe (Becton, Dickinson and Company, Franklin Lakes, NJ, USA) with a 22-gauge blunt needle (Hamilton Company, Reno, NV, USA) as the spinneret. The nickel nitrate-loaded fibers were then spun. After the spinning process, the nanofibers formed on the aluminum foil directly beneath the spinneret tip were collected and annealed at 330 °C for 30 min in a box oven with an adequate supply of oxygen flow.
3
Ultrasound-Assisted Synthesis of Ni-Mg-Al-La Mixed Oxides
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An aqueous solution was prepared by dissolving 4.26 g of Ni(NO3)2·6H2O (AlfaAesar, wt.98 %), 7.44 g of Mg(NO3)2·6H2O (Acros Organics, wt.99 %), 4.92 g of Al(NO3)3·9H2O (Chem-Lab, wt.98.5 %) and 0.62 g of La(NO3)3·9H2O (AlfaAesar, wt.99.9 %) in 50 mL of demineralized water. This solution was added dropwise under vigorous stirring to 100 mL constituted from 15 mL of an aqueous solution of Na2CO3 (Acros Organics, wt.99.5 %) (1 M) and 85 mL of demineralized water. The pH was maintained between 9.5 and 10 by adding an aqueous solution of NaOH (ACS, wt.98 %) (2 M). The synthesis was performed at 60 °C under stirring for 45 min. The resulting slurry was aged in an oven at 60 °C for 18 h. Then, the precipitate was filtered and washed several times with hot demineralized water (60 °C) until neutral pH followed by drying at 60 °C for 48 h. The obtained LDH material was ground to give fine powders. The mixed oxides are then obtained by calcination of LDH materials in a muffle furnace at 800 °C for 4 h, by using a ramp of 1 °C.min−1.
Applied conditions and employed strategy to optimize the preparation protocol.
| 60 | – | silent, 45 min | silent, 18 h | |
| 60 | 360 | US, 45 min | silent, 18 h | |
| 60 | 360 | US, 45 min | US, 30 min | |
| 60 | 360 | US, 15 min | US, 30 min | |
| 20 | 360 | US, 15 min | US, 30 min | |
| 20 | 180 | US, 15 min | US, 30 min | |
| 20 | 90 | US, 15 min | US, 30 min |
4
Hydrothermal Synthesis of Crystalline Na2Mg(CO3)2
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The reference material crystalline Na2Mg(CO3)2 was synthesized via a hydrothermal synthesis method that was adapted from the literature (53 ). Briefly, 6.3 g of Mg(NO3)2·6H2O (Acros Organics; ≥99%) and 13 g of Na2CO3 (Acros Organics; ≥99.5%) were thoroughly mixed with 30 ml of deionized water. The solution was then transferred into a 45-ml Teflon autoclave and subjected to a hydrothermal treatment at T = 80°C for 20 hours. Subsequently, the product was washed with deionized water and ethanol and dried in an oven at 100°C. The phase purity was confirmed by XRD (fig. S45).
5
Synthesis of Dicarboxyphenyl Adipoamide
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The reagent Mg(NO3)2·6H2O was purchased from Alfa Aesar Co., (Heysham, UK). The other reagents 5-aminoisophthalic acid, 2-aminoterephthalic acid and adipoyl chloride were obtained from ACROS Organics (Geel, Belgium). The bis-(2,5-dicarboxyphenyl)adipoamide, H4L 2 was synthesized in one step using a modified version of a previously reported procedure [14 (link)].
6
Bagasse-based Sustainable Catalysts
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Bagasse was collected from fruit shops on East West Street of Guangxi, China, which have abundant sugarcane. We purchased sodium borohydride (NaBH4, AR), ZnCl2 (AR), cobalt(II) chloride hexahydrate (CoCl2·6H2O, AR) and Mg(NO3)2·6H2O (AR) from Alfa Aesar Co., Ltd. (Tianjin, China). Hydrochloric acid (HCl) was from Xilong Chemical Co., Ltd. (Shantou, China). Ultrapure water, obtained from a Millipore System (Millipore Q, Burlington, MA, USA), was used throughout the experiments.
7
Fabrication of NGQDs/FTO Electrodes
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The NGQDs/FTO electrodes
were fabricated by the modified electrophoretic deposition (EPD) method.45 (link) Typically, 10 mL of NGQDs suspension (40 mg
mL–1) was prepared in 100 mL of isopropyl alcohol
by sonication for 6 h, followed by adding 0.005 g of Mg(NO3)2·6H2O (≥98%; Alfa Aesar) into
the suspension with an ultrasonic dispersion for 1 h. A clean FTO
(as cathode) facing the stainless steel anode was immersed into this
suspension. The distance between the two electrodes was fixed at about
5 cm. The Mg2+-absorbed NGQD suspension was loaded in a
quartz vessel as the electrolyte, and the electrophoresis process
was performed at 50 V for 120 s. After the EPD process, the prepared
NGQDs/FTO electrodes were washed by ethanol and deionized water several
times and dried in an argon stream at room temperature.
were fabricated by the modified electrophoretic deposition (EPD) method.45 (link) Typically, 10 mL of NGQDs suspension (40 mg
mL–1) was prepared in 100 mL of isopropyl alcohol
by sonication for 6 h, followed by adding 0.005 g of Mg(NO3)2·6H2O (≥98%; Alfa Aesar) into
the suspension with an ultrasonic dispersion for 1 h. A clean FTO
(as cathode) facing the stainless steel anode was immersed into this
suspension. The distance between the two electrodes was fixed at about
5 cm. The Mg2+-absorbed NGQD suspension was loaded in a
quartz vessel as the electrolyte, and the electrophoresis process
was performed at 50 V for 120 s. After the EPD process, the prepared
NGQDs/FTO electrodes were washed by ethanol and deionized water several
times and dried in an argon stream at room temperature.
8
Electrode Material Synthesis Protocol
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The chemical reagents for the preparation of electrode materials, such as Ni(NO3)2·6H2O, Mg(NO3)2·6H2O, Al(NO3)2·9H2O and urea, were purchased from Alfa Aesar (USA) without any further purification. Deionized water (18.2 MΩ) was used in this experiment. KOH was purchased Chongqing Chuandong Chemical Company (China).
9
Sodium Alginate-Based Antimicrobial Films
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Sodium alginate-based films were prepared as previously described (Costa et al., 2018) (link) and phages incorporation was performed as described before (Alves et al., 2018) (link). Briefly, sodium alginate [1% (w/v)] was completely dissolved in distilled water, at room temperature, glycerol was added at a final concentration of 0.5% (v/v), and the solution was stirred overnight at room temperature. Phages were added to alginate 1:13 (v/v) in order to have a final concentration of approximately 10 9 PFU/mL, and the solution further stirred for 30 min at room temperature. Cinnamaldehyde was added to film-forming solutions with and without phages, at different concentrations [0.3% and 0.4% (v/v)] together with Tween 80 [0.1% (w/v)] as an emulsifier. The solution was homogenized by constant stirring at 350 rpm for 40 min. To produce the films, 28 mL of film-forming solution was cast onto a Petri dish (9.2 cm of diameter) and dried for two days at 30 °C. The dried films were crosslinked with calcium chloride as previously described (Alves et al., 2018) (link), and left to dry at room temperature for 24 h and finally the films were put in desiccators containing a saturated solution of Mg(NO 3 ) 2 •6H 2 O (Alfa Aesar, Germany) at 53% of relative humidity (RH) and 20 °C before subjected to characterization experiments or at 4 °C until the antimicrobial experiments.
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