Methylene blue

Manufactured by SD Fine Chemicals

Sourced in India

Methylene blue is a synthetic dye used as a laboratory reagent. It is a water-soluble crystalline solid with a blue-green appearance. Methylene blue has applications in various analytical and diagnostic procedures, serving as a staining agent and oxidation-reduction indicator.

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Lab products found in correlation

Methyl orange, by SD Fine Chemicals (2 mentions) Chloroform, by Thermo Fisher Scientific (1 mentions) Lithium chloride (licl), by Merck Group (1 mentions) Toluene, by Thermo Fisher Scientific (1 mentions) Rhodamine b, by SD Fine Chemicals (1 mentions) Acetone, by SD Fine Chemicals (1 mentions) Potassium dihydrogen orthophosphate, by SD Fine Chemicals (1 mentions) Glycerol, by SD Fine Chemicals (1 mentions) Titanium isopropoxide, by Merck Group (1 mentions) Nitric acid, by Merck Group (1 mentions) Hydrochloric acid (hcl), by Merck Group (1 mentions) Sodium hydroxide (naoh), by Merck Group (1 mentions) Sulphuric acid, by Merck Group (1 mentions) Silver nitrate, by SD Fine Chemicals (1 mentions) Disodium hydrogen phosphate, by SD Fine Chemicals (1 mentions)

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Methylene blue dye (2 citations)

4 protocols using methylene blue

Expanded PS Polymer Recycling and Characterization

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Expanded (PS), a commercial recycled polymer, Polybutylene succinate (PBS), 50% bio-sourced, (reference PBE 003 BB) was supplied by Natureplast© (Ifs, France). Sulfuric acid was a product of ADWIC Co (Egypt). Toluene and Chloroform (> 99%) were obtained from Fisher (United Kingdom), 1,4-Dioxan (> 99.5%) was purchased from Elnasr pharmaceutical chemicals co. (Egypt). Lithium chloride was obtained from Sigma-Aldrich (> 99%). Methylene blue (Fig. 1d) was purchased from Sd Fine-Chem Limited (India).Figure 1

Chemical structure of (a) polystyrene (PS), (b) polystyrene sulfonate (PSS), (c) Polybutylene succinate (PBS), and (d) Methylene blue dye.

Nady N., Abdel Rehim M.H, & Badawy A.A. (2023). Dye removal membrane from electrospun nanofibers of blended polybutylenesuccinate and sulphonated expanded polystyrene waste. Scientific Reports, 13, 15455.

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Chitin-based Photocatalytic Nanomaterials

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Cadmium Oxide (CdO), Titanium Tetra IsoPropoxide (TTIP), Tween-80, Ethanol and Isopropyl alcohol (IPA) were procured from Merck. Crab shells (Chitin) were purchased at Seafood Market, Kasimedu, Chennai, India. Methyl orange, Methylene blue, and Rhodamine B were supplied by S.D. Fine Chemicals, India.

Dhanalekshmi K.I., Magesan P., Umapathy M.J., Zhang X., Srinivasan N, & Jayamoorthy K. (2021). Enhanced photocatalytic and photodynamic activity of chitosan and garlic loaded CdO–TiO2 hybrid bionanomaterials. Scientific Reports, 11, 20790.

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Acyclovir Topical Formulation Development

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Acyclovir was a kind gift from Zen Lab & Preet Remedies Pvt. Ltd., Baddi, India.
Cellulose acetate 398-10 was brought from Sigma Aldrich Chemical, Germany; glycerol was brought from S. D. Fine Chemicals, Mumbai, India; sodium lauryl sulphate was brought from Ranbaxy Fine Chemicals Ltd., New Delhi, India. Acetone, ethanol 95% v/v, potassium dihydrogen orthophosphate, and methylene blue were obtained from S. D. Fine Chemicals, Mumbai, India.

Sonkar A., Kumar A, & Pathak K. (2016). Cellulose Acetate 398-10 Asymmetric Membrane Capsules for Osmotically Regulated Delivery of Acyclovir. Journal of Pharmaceutics, 2016, 8471520.

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Synthesis of Photocatalytic Nanoparticles

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Titanium iso-propoxide (>97% purity) was purchased from Sigma-Aldrich. L-Ascorbic acid-LR, silver nitrate, di-sodium hydrogen phosphate and methylene blue, methyl orange, neutral red dyes were purchased from SD Fine Chemicals Ltd (India). Sodium hydroxide, sulphuric acid (98%), hydrochloric acid (35%) and nitric acid (69%) were purchased from Merck (India). The Neubauer-chamber was purchased from Pristine Scientific Ltd (India). Luria nutrient broth was purchased from Hi Media (India). Double distilled Millipore water was used for all the experiments.

Eswar N.K., Ramamurthy P.C, & Madras G. (2015). Enhanced sunlight photocatalytic activity of Ag3PO4 decorated novel combustion synthesis derived TiO2 nanobelts for dye and bacterial degradation. Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology, 14(7).

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