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6 protocols using potassium chloride (kcl)

1

Synthesis of Bismuth Nitrate Nanocomposite

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Bismuth nitrate pentahydrate [Bi (NO3)3·5H2O] (Sigma-Aldrich, 98.0%), glacial acetic acid (Molar Chemicals Ltd., 100%), potassium chloride (Molar Chemicals, 99.7%), functionalized carbon nanotubes (Nanothinx S. A., Greece), Phenol (VWR extra pure, 100%) and RhB from Alfa Aesar (no purity data given). All the reagents were of analytical grade and used without further purification. Deionized water was used for the entire study. Methanol of HPLC-grade was used for HPLC measurements to prepare the necessary eluent for the analysis.
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2

Metal Ions Preparation Protocol

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L-Tyrosine (Tyr, 99.0%), silver nitrate (AgNO3; 99.9%), gold(III) chloride trihydrate (HAuCl4; ≥99.9%), cadmium nitrate tetrahydrate (Cd(NO3)3 × 4 H2O; 98%), cesium chloride (CsCl; 99%), mercury(II) chloride (HgCl2; 99.5%), lanthanum chloride hydrate (LaCl3 × H2O; 99.9%), magnesium chloride (MgCl2; ≥98%), rubidium chloride (RbCl2; 99.8%), rhodium chloride (RhCl3; 98%), thallium chloride (TlCl; 98%), cerium chloride heptahydrate (CeCl3 × 7 H2O; 99.9%), yttrium(III) chloride (YCl3; 99.99%), cobalt(II) chloride hexahydrate (CoCl2 × 6 H2O, 98%), manganese(II) chloride tetrahydrate (MgCl2×4 H2O; 98%), nickel(II) chloride (NiCl2, >98%), copper(II) chloride (CuCl2, >98%), and iron(III) chloride hexahydrate (FeCl3 × 6 H2O, 98%) were purchased from Sigma-Aldrich (St. Louis, MO, USA). Sodium chloride (NaOH; 99.0%), hydrochloric acid (HCl; 37%), zinc(II) chloride (ZnCl2; 99.9%), calcium chloride dihydrate (CaCl2 × 2 H2O; 97%), potassium chloride (KCl; >99%) and Sodium chloride (NaCl; 99.98%) were products of Molar Chemicals. For fresh stock solutions, Milli-Q (Merck Millipore, Burlington, MA, USA) ultrapure water (18.2 MΩ·cm at 25 °C) was used. The chemicals were of analytical grade and further purification was not applied.
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3

Characterization of Antiviral Agents

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The antiviral agents FAVI, IMA and MOLNU are products of MedChemExpress (Monmouth Junction, NJ, USA); WF, DG, DIP, D2O, HSA (A8763, essentially globulin free), AGP (G9885), transferrin (T3309, containing physiological amount of iron) and human blood serum (H4522, male AB plasma) were purchased from Sigma–Aldrich (Merck KGaA, Burlington, MA, USA). Inorganic compounds such as KCl, NaCl, KH2PO4 and Na2HPO4 × 2 H2O, boric acid, sodium trimethylsilylpropanesulfonate (DSS), 2-(N-morpholino)ethanesulfonic acid (MES) and 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid (HEPES) were products of Molar Chemicals (Halásztelek, Hungary) or Reanal (Budapest, Hungary) in puriss quality.
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4

Cytotoxic Metal Complexes: Synthesis and Evaluation

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All solvents were of analytical grade and used without further purification (except the solutions used for the DNA cleavage assay, vide infra). [RhCp*(μ-Cl)Cl]2, [Ru(η6-p-cymene)(μ-Cl)Cl]2, 5-chloro-8-hydroxyquinoline, D-proline, D-homoproline, aqueous formaldehyde (30% (v/v)), pic, phen, KNO3, HNO3, KOH, n-octanol, CD3OD, D2O, doxorubicin, EB, HSA (A8763, essentially globulin free), ct-DNA, DG, 4,4-dimethyl-4-silapentane-1-sulfonic acid (DSS) were Sigma-Aldrich (St. Louis, MO, USA) products and were used without further purification. FHA was purchased from GenScript (Piscataway, NJ, USA). NaH2PO4, Na2HPO4, KH2PO4, KCl, NaCl, diethyl-ether, n-hexane, ethanol, ethyl acetate and methanol were purchased from Molar Chemicals (Halásztelek, Hungary) or Reanal (Budapest, Hungary). [RuCym(HQCl-L-Pro)Cl]Cl and [RhCp*(HQCl-L-Pro)Cl]Cl were used in some cases due to comparative reasons, and their preparation and characterization were reported in our previous work [25 (link)].
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5

Transition Metal Catalyst Synthesis

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All solvents were of analytical grade and used without further purification. [Rh(η6-C5Me5)(μ-Cl)Cl]2, [Ru(η6-p-cymene)(μ-Cl)Cl]2, 5-nitro-8-hydroxyquinoline, L-proline, aqueous formaldehyde (30% (v/v)), bpy, tetrabutylammonium nitrate (TBAN), KH-phthalate, n-octanol, D2O, doxorubicin, 2-(N-morpholino)ethanesulfonic acid (MES), human serum, Dulbecco’s Modified Eagle Medium (DMEM) and RPMI media, HSA (A8763, essentially globulin free), DG, 1-methylimidazole, 4,4-dimethyl-4-silapentane-1-sulfonic acid (DSS) were Sigma-Aldrich (Darmstadt, Germany) products and were used without further purification. Ac-Ala-His-Ala-NH2 (AHA) and Ac-Phe-His-Ala-NH2 (FHA) peptides were purchased from GenScript (Piscataway, NJ, USA). HQCl-L-Pro was prepared according to our former report [12 (link)]. NaH2PO4, Na2HPO4, KH2PO4, KCl, KNO3, NaCl, KOH, HNO3, ethanol, ethyl acetate, dichloromethane, n-hexane, diethyl-ether, and methanol were purchased from Molar Chemicals (Halásztelek, Hungary) or VWR (Budapest, Hungary).
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6

Detailed Inorganic Reagent Preparation

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TBAN and HEPES were purchased from Sigma-Aldrich
in puriss quality. HCl, KOH, KCl, DMSO, DMF, and KH-phthalate were
obtained from Molar Chemicals (Hungary) and used without further purification.
The stock solutions of metal ions were prepared by the dissolution
of CuCl2, FeCl3, and ZnCl2 in water,
and the concentration was determined by complexometry using ethylenediaminetetraacetic
acid (EDTA). The Fe(II) stock solution was generated through the interaction
of iron powder and HCl in a purified, strictly oxygen-free argon atmosphere.
Subsequently, the solution was filtered and stored for use under anaerobic
conditions in a laboratory glovebox (GP(Campus), Jacomex), ensuring
that the O2 level was kept below 1 ppm. The concentration
of the Fe(II) solution was determined through titrations with KMnO4. All solutions were prepared using Milli-Q. If required,
the pH was adjusted to the desired level by adding of HCl or KOH.
All solvents used for the syntheses were dried and purified according
to standard procedures.
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