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28 protocols using ferric chloride

1

Extraction and Characterization of Melanin

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Standard melanin (synthetic) and 5,5′-dithio-bis (2-nitrobenzoic acid) were purchased from Sigma-Aldrich, USA. Keratin powder, bovine serum albumin, sodium hydroxide, hydrogen peroxide, ferric chloride, sodium hypochlorite, and potassium hydroxide were obtained from Himedia, India. Solvents, such as ethanol, methanol, chloroform, acetone, benzene, and phenol were procured from Sisco Research Laboratory (SRL), India. All the chemicals and reagents used were of the highest purity and analytical grade. Black feathers of slaughtered domestic fowl (Gallusgallus domesticus) collected from central chicken market, Kolhapur, India were washed, dried, and stored for further studies. Whereas, goat (Capra hircus-Osmanabadi breed) skin was obtained from the local meat market in Kolhapur, India.
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2

Bioactive Compound Screening from Microbes

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All reagents used for the experiment were analytical grade purchased from Himedia (HiMedia Laboratories Pvt. Ltd., Mumbai, India) including silver nitrate (Mw: 169.87 g/mol; and purity: ≥99.9%), hydrogen peroxide, iodine, potassium iodide (Mw 166.00 g/mol and purity: 99%), sodium hydroxide (M: 39.997 g/mol and purity: 97%), sulfuric acid, chloroform, benzene, ammonia, naphthol, ethanol, copper acetate, ferric chloride (Mw: 162.2 g/mol and purity: ≥99%), Butylated hydroxytoluene (BHT), hydrochloric acid, potato dextrose agar, nutrient agar, potassium ferricyanide, TCA, α-amylase, etc. Bacterial culture including Bacillus subtilis (MTCC 121T), Shigella flexneri (MTCC 1457), Bacillus megaterium (NCTC 6094), Trichoderma viride, Aspergillus niger (MTCC 12975), and Penicillium crysogenum (NCPF 2802) were collected from Dayanand Science College, Latur, India.
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3

Ashwagandha and Autoimmune Arthritis

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For the study, Ashwashila (Batch no: AH18/038, manufacturing date: April 2018) was sourced from the Divya Yoga Pharmacy, Haridwar, India, 5-Clone Cocktail antibodies (Cat No-53040) and LPS (Escherichia coli strain 0111: B4; Cat No-9028) were purchased from Chondrex, Inc. WA. Methotrexate (Cat No-M9929) was procured from Sigma Aldrich, St. Louis, MO. Haematoxylin, Potassium Aluminium Sulphate Dodecahydrate, Mercury (II) Oxide red were purchased from Merck India Pvt Ltd, Mumbai, India. Safranin and Fast green were procured from Loba Chemie Pvt. Ltd, Mumbai, India. Eosin Yellow and Ferric Chloride were purchased from Hi-Media Laboratories, Mumbai, India. For tissue culture work, RPMI-1640 cell culture media, Fetal bovine serum, antibiotics, and other reagents were purchased from Life Technologies, Delhi, India.
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4

Antibacterial Zinc-Citrate Nanoparticles

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Chemicals used in this study include ciprofloxacin hydrochloride (MP Biomedicals, Santa Ana, CA, USA), zinc nitrate hexahydrate (98%, Sigma Aldrich, USA), trisodium citrate dihydrate (Sigma Aldrich, St. Louis, MO, USA), ferric chloride (Himedia, Mumbai, India), Luria agar and Luria broth (Himedia, Mumbai, India), sodium hydroxide (Merck, Kenilworth, NJ, USA), and hydrochloric acid (35.5%, Merck). All the chemicals were of molecular grade.
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5

Comprehensive Phytochemical Analysis Procedure

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Ethanol, mEthanol, chloroform, petroleum ether, ethyl acetate, diethyl ether, acetone, n-hexane, gallic acid standard, rutin standard, ascorbic acid, Folin–Ciocalteu’s phenol reagent, sodium carbonate, sodium nitrite, sodium hydroxide, aluminium chloride, ferric chloride, and potassium persulfate were obtained from Himedia Laboratories, Mumbai, India. 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS), 2,4,6-tripyridyl-s-triazine (TPTZ), 2, 2-diphenyl-1-picrylhydrazyl (DPPH) were obtained from Sigma Aldrich, Bengaluru, India. All other analytical grade chemicals and reagents were obtained from Himedia Laboratories, Mumbai, India. Distilled water was used for all experiments.
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6

Phytochemical Analysis of Medicinal Plants

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Acetic anhydride, ammonium hydroxide, AA, butylated hydroxytoluene, 2-deoxy-2-ribose, DPPH, ferric chloride, gallic acid, magnesium ribbon, quercetin, sodium nitrite, and trichloroacetic acid were obtained from HiMedia Laboratories, Pvt., Ltd., Mumbai, India. Thiobarbituric acid was obtained from Loba Chemical, Mumbai, India. Ammonium persulphate, benzene, chloroform, di-potassium hydrogen phosphate, ethanol, ethylenediaminetetraacetic acid, glacial acetic acid, hydrogen peroxide, methanol, 5% o-phosphoric acid, 0.01% naphthylethylene diamine, potassium di-hydrogen phosphate, potassium ferricyanide, potassium hydroxide, sodium hydroxide, and sulfanilamide were obtained from Rankem, Mumbai, India. ABTS and gallic acid (3,4,5-trihydroxy benzoic acid) were obtained from Sigma, USA. Conc. HCl, conc. H2 SO4, Fehling's solution, Mayer's reagents, and sodium carbonate were procured from Merck, Mumbai, India. Folin-Ciocalteu reagent was from Sisco Research Laboratory, Mumbai, India. Aluminium chloride was obtained from SD Fine Chemicals Limited, Mumbai, India. All chemicals and solvents were of analytical grade.
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7

Antioxidant and Reducing Assays Protocol

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Mueller-Hinton broth, gallic acid, 2, 2-diphenyl-1- picrylhydrazyl (DPPH) and nitroblue tetrazolium chloride (NBT) were purchased from Sigma. The Folin Ciocalteu's reagent (FCR), phenazine methosulfate (PMS), nicotinamide adenine dinucleotide, reduced (NADH), potassium ferrocyanide, trichloroacetic acid (TCA), ferric chloride and hydrogen peroxide were procured from Himedia. All the solvents and chemical not mentioned were of analytical grade.
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8

Antioxidant and Cytotoxicity Assay Protocol

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2.4.6-Tripyridyl-s-Triazine (TPTZ), 1,1-diphenyl, 2-picrylhydrazyl radical (DPPH), 2,2-Azinobis (3-ethyl benzothiazoline-6-sulfonic acid) (ABTS), Eagle’s minimum essential medium, trypsin (0.1 %), MTT [3-(4,5-dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide], fetal calf serum, DCFH-DA (2′,7′-dichlorofluorescein-diacetate), HS-RT- PCR kit, and RNA- isolation kit were purchased from Sigma, USA. Cyber green master mix (2X) was purchased from Qiagen (Gamb, Germany). Ascorbic acid, 6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid (trolox), ferric chloride, hydrogen peroxide, and potassium persulfate were purchased from Himedia, Mumbai, India. Lactate dehydrogenase kit was purchased from Agappe diagnostics, Kerela, India.
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9

Antioxidant Capacity Evaluation Protocol

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1,1-Diphenyl,2-picryl hydrazyl (DPPH), nitroblue tetrazolium (NBT), riboflavin, L-methionine, thiobarbituric acid (TBA), ethylenediaminetetraacetic acid (EDTA), ascorbic acid, gallic acid, rutin and trichloroacetic acid (TCA), potassium ferricyanide (“K3[Fe(CN)6]”), and ferric chloride (“FeCl3”) were purchased from Hi-Media Ltd. All reagents were of analytical grade.
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10

Phytochemical and Antioxidant Analysis

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Ascorbic acid, 2,2-diphenyl-1-picryl-hydrazyl (DPPH), ferric chloride, gallic acid, naphthyl ethylenediamine dihydrochloride, quercetin, sodium nitrite (NaNO2), sulphanilamide, and trichloroacetic acid were obtained from HiMedia Laboratories Pvt. Ltd., Mumbai, India. Di-potassium hydrogen phosphate, hydrogen peroxide, methanol, potassium di-hydrogen phosphate, potassium ferricyanide, potassium hydroxide, sodium hydroxide (NaOH), sodium carbonate (Na2CO3), sodium acetate, and sodium nitroprusside were procured from Merck, Mumbai, India, and Folin–Ciocalteu (FC) reagent was purchased from Sisco Research Laboratories Pvt. Ltd., Mumbai, India. Aluminum chloride (AlCl3) and ortho-phosphoric acid were obtained from SD Fine Chemicals Limited, Mumbai, India. All chemicals and solvents were of analytical grade.
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