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7 protocols using zirconium oxychloride

1

Fumaric Acid Metal-Organic Framework Synthesis

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Fumaric acid ( C4H4O4 , purity ≥ 99.0%), Zirconium oxychloride octahydrate (ZrO Cl2 ·8 H2 O, purity ≥ 99.5%), Formic acid (HCOOH, purity ≥ 98.0%), N,N’-dimethylformamide (DMF, HPLC grade), Ethanol (purity ≥ 99.0%), MEthanol (HPLC grade), and Sulfuric acid (purity: 95–97%) all from Sigma-Aldrich Co, and Deionized water. It is noteworthy that all the materials were used without any additional treatment.
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2

Graphite-based Nanomaterial Synthesis and Evaluation

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Graphite powder (100 mesh,
99.9% pure), potassium permanganate (KMnO4, >99%), sulfuric
acid (H2SO4, 98%), hydrogen chloride (HCl, 36%),
hydrogen peroxide (H2O2, 30%), and zirconium
oxychloride (ZrOCl2·8H2O, >99%) were
obtained
from Sigma Aldrich Bangalore, India. Sodium nitrate (NaNO3, AR grade, Qualigens, India), Dulbecco’s modified Eagle’s
medium (DMEM, HI Media), fetal bovine serum (FBS, HI Media), α-minimum
essential medium (α-MEM, Gibco/Life Technologies), 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium
bromide (MTT, HI Media), 1% pen/strep (HI Media), human umbilical
cord blood-derived mesenchymal stem cells (hMSCs) (PromoCell, Germany),
human colon (HCT116) and lung (A549) carcinoma cell lines (National
Sciences for Cell Sciences, NCCS, Pune, India, American Type Culture
Collection, ATCC), Drug Cisplat (cisplatin injection I.P. 50 mg/50
mL, Zydus Oncosciences), and double-distilled water were used throughout
the experiment.
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3

Antimicrobial Nanomaterial Synthesis and Evaluation

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Ferric nitrate nonahydrate (Fe(NO3)3·9H2O), zinc nitrate (Zn(NO3)2·6H2O), aluminum nitrate nonahydrate (Al(NO3)3·9H2O), cobalt nitrate hexahydrate (Co(NO3)2·6H2O), nickel nitrate hexahydrate (Ni(NO3)2·6H2O), zirconium oxychloride (ZrOCl2·8H2O), and sodium hydroxide were purchased from Sigma-Aldrich. All solutions and experiments were prepared and conducted by suspending the nanomaterials using deionized water (DW) and sonication with the Ultrasonic Processor at 220 V/50 Hz (Model FS/000100/T). Different media types were used in this study according to the microorganism type, such as Muller Hinton broth and Muller Hinton agar for bacterial growth, while Sabarouds Dextrose Agar (SDA) and Sabarouds Dextrose Broth (SDB) were used for fungus growth using a typical or standard antifungal treatment (cyclohexamide-growing fungi and doxycycline-standard for both Gram-positive and Gram-negative bacteria).
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4

Soil Sample Pretreatment for XRF Analysis

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Calcium oxide (96%), perchloric acid (85%), nitric acid (60%), lanthanum oxide (99%), ammonium acetate (97%), sulfanilic acid azochromotrop (SPANDS), and lanthanum alizarin complexone solution were purchased from Daejung Chemicals (Gyunggi, South Korea). Sodium hydroxide (98%), aqueous ammonia (25%), hydrochloric acid (35%), acetic acid (99.5%), and acetone (99.5%) were obtained from OCI Company Ltd.
(Seoul, South Korea). Zirconium oxychloride (35%) and boric acid (99.5%) were obtained from Sigma-Aldrich (Pittsburgh, PA, USA), and nitrophenol (99%) was purchased from Alfa Aesar (Heysham, UK). Sodium acetate trihydrate (98.5%) was obtained from Samchun (Gyunggi, South Korea), and Total Ionic Strength Adjustment Buffer (TISAB) III and ion control solutions were obtained from Fisher Scientific (Pittsburgh, PA, USA). The chemicals were used as received without further purification, and all solutions used in the experiment were prepared with deionized water produced using Nex Power 1000 (Human, Seoul, South Korea). The liquid-binder aqueous additive for the pretreatment of soil samples for XRF analysis was purchased from Chemplex Industries Inc. (Palm City, FL, USA).
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5

PVA-Propolis Composite Preparation and Characterization

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The polyvinyl alcohol polymer matrix used in this research was obtained from Sigma-Aldrich Chemical Company (Darmstadt, Germany). The series of samples using different PVA molecular weights Mowiol 20–98 (Mw = ~125 kDa, degree of hydrolysis 98.0–98.8) and polyvinyl alcohol 18–88 (Mw = ~130 kDa, degree of hydrolysis 86.7–88.7) were performed; the melting point was 200 °C and the density was 1.269 g/cm3. The total flavonoids content was determined according to [23 (link)], using zirconium oxychloride (98%, Mw = 322.25, Sigma-Aldrich) and methanol (99.9%, Mw = 32.04%, Sigma-Aldrich). The ethyl alcohol (96.4–96.6%, Mw = 46.07, SIA Kalsnavas Elevators, Jaunkalsnava, Latvia) used to prepare the laboratory-made propolis extracts. The extract from Riga Pharmaceutic Factory (Riga, Latvia) contains 70% ethyl alcohol extract. Various types of propolis and its extracts were used (Table 7). The stages of the solution-mixing process are designated as marked (Figure 3). Laboratory distilled water (conductivity 1 µS/cm) was used to prepare PVA solutions and propolis extracts.
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6

Synthesis of PA6 Polymer Composite

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PA6 (Commercial grade 1030B)
with a melt flow index of 4.6 ± 0.23 g/10 min (at 250 °C
under a 2.16 kg load), a weight average molecular weight of 30 kg/mol,
a density of 1.14 g/cm3, and a melting point of 220 °C,
was obtained from UBE Industries Ltd., Tokyo, Japan. Zirconium oxychloride
(ZrOCl2·8H2O), acetonitrile, bPEI, HCCP,
and phosphoric acid (98%) were purchased from Sigma-Aldrich, Johannesburg,
South Africa and used as received without purification.
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7

Polymer-Guided Silica-Zirconia Nanocomposites

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A poly(ethylene glycol) PEG-400 or a Pluronic® F-127 copolymer of ethylene oxide (E) and propylene oxide (P), were used for the emulsion formation. Reactants, Pluronic® F-127 (E 106 -P 70 -E 106 ), PEG-400 (E 9 ), tetraethoxysilane (TEOS) (Si(OEt) 4 ), calcium chloride (CaCl 2 ,2H 2 O), and zirconium oxychloride (ZrOCl 2 ,8H 2 O) were purchased from Sigma-Aldrich and used as received.
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