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Ethylene glycol

Manufactured by Daejung Chemicals
Sourced in United States

Ethylene glycol is a clear, colorless, and odorless liquid that serves as a common ingredient in various laboratory applications. Its primary function is as a coolant and antifreeze agent, helping to regulate temperature and prevent freezing in laboratory equipment and instruments.

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6 protocols using ethylene glycol

1

Silver Trifluoroacetate Reduction Catalyst

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Silver trifluoroacetate (98%) was purchased from Alfa Aesar. Commercial Pd/C (20 wt%) was purchased from Premetek. Ethylene glycol (99.5%) and methanol (99.8%) were purchased from Daejung Chemical & Metals. Carbon dioxide (99.999%) was purchased from the PSG Corporation. Sodium bicarbonate (99.5%) and sodium perchlorate monohydrate (98%) were purchased from Junsei Chemical.
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2

Synthesis of Molecularly Imprinted Polyaniline

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Chlorpyrifos, a product of Excel Crop Care Limited, was provided by El Nasr for Intermediate Chemicals (Egypt) and was used as a template. For the synthesis of the molecularly imprinted polyaniline, aniline (Al-Alamia for Chemical Industries, Egypt), dimethyl sulphoxide (Oxford Lab Fine Chem LLP, India) and ammonium persulphate (APS, Veb-Laborchemie Apolda, Germany) were used. Ethylene glycol (Honeywell International Inc., USA), ferric chloride hexahydrate (FeCl3·6H2O, Daejung Chemicals and Metals, South Korea) and anhydrous sodium acetate (ADWIC, Egypt) were utilized in the solvothermal synthesis of SPIONs. Ethyl alcohol was obtained from the International Company for Medical Industries (Egypt), methyl alcohol and hydrochloric acid were purchased from Alpha Chemika (India), and glacial acetic acid was provided by Piochem (Egypt). All reagents were of analytical grade and were used without any further purification.
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3

Graphite-based Composite Synthesis

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Graphite
powder flakes
(99%), zirconium(IV) isopropoxide (70 wt % 1-propanol), and Pluronic
F127 were procured from Sigma-Aldrich; ethylene glycol, AgNO3, HCl, phosphate buffer, NaOH, KOH, ethylene glycol, tetraethyl orthosilicate
(TEOS), indium(III) chloride (InCl3), urea, and sodium
dodecylbenzene sulfonate (SDBS) were procured from Dae-Jung Chemical,
Korea. Deionized water (18.2 MΩ/cm) was utilized throughout
the work. All other chemicals were of investigative grade and were
used without further purification.
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4

Synthesis of Te-Doped Carbon Nanotubes

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Hydrazine monohydrate (N2H4·H2O, 80%), ethylene glycol (EG, C2H6O2, 99.5%), sodium hydroxide (NaOH, 98%), tellurium(iv) oxide (TeO2, 99%), ethanol (C2H5OH, 94%), nitric acid (HNO3, 60%), and sulfuric acid (H2SO4, 95%) were purchased from Daejung Chemicals & Metals Co. (Seoul, Korea), PVP (molecular weight (MW) = ∼40 000) was purchased from Sigma-Aldrich (St. Louis, USA). The multi-walled carbon nanotubes used in this study were supplied by Hanwha Nanotech (Seoul, Korea).
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5

Defatted Soy Flour and Mealworm Protein

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Defatted soy flour, isolated soy protein, and corn starch were purchased from Samchang, Solae Co., and Roquette Freres, respectively. Roll mill (Shinpoong Eng., LTD) was used to grind the dehydrated mealworm larva (Tenebrio molitor, M.G Natural). Ninhydrin (Duksan Chemical Co.), ethylene glycol (Daejung Chemical Co.), acetic acid (Daejung Chemical Co.), sodium acetate (Duksan Chemical Co.), stannous chloride II (Kokusan Chemical Co., Kitasaiwai Nishi‐ku). Pepsin from porcine gastric mucosa (powder, ≥250 unit/mg solid), 2,2‐diphenyl‐1‐picrylhydrazyl, and 2‐thiobarbituric acid were purchased form Sigma‐Aldrich, Seoul, Korea. All other reagents and chemicals used were of analytical grade.
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6

Synthesis and Characterization of Graphene Oxide

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The chemicals used for the present research were all analytical grade and used as obtained. Graphite powder (<20 [46 (link)] synthetic), hydrogen peroxide (H2O2: 30% w/w in H2O), potassium permanganate (KMnO4: ACS reagent grade), ammonia solution (NH4OH: 25% for analysis EMSURE ISO, Reag. Ph Eur.), sulphuric acid (H2SO4: Assay 95%), thermoplastic polyurethane, nickel nitrate hexahydrate (Ni(NO3)2.6H2O: trace metal basis, 99.99%), and sodium nitrate (ACS grade, ≥99.0%) were purchased from SIGMA ALDRICH. Whereas sodium hydroxide (NaOH, 98%), dimethylformamide (Assay 99.9%, SGR grade), ethylene glycol (Assay 99%, FP 116 °C), phosphoric acid (H3PO4: 85% HPLC grade), and hydrochloric acid (HCl: assay 36%) were obtained from DAEJUNG. Deionized water was used for the preparation of all solutions.
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