Na2so3

Manufactured by Maclin Biochemical Technology

Sourced in China

Na2SO3, also known as sodium sulfite, is a chemical compound that serves as a common laboratory reagent. It is a white crystalline solid that is highly soluble in water. The primary function of Na2SO3 is as a reducing agent in various chemical reactions and analyses.

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Lab products found in correlation

4 protocols using na2so3

Cefuroxime axetil-loaded PLA-HPG nanoparticles

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Cefuroxime axetil was provided by Meilun (Dalian, Liaoning, China). Polylactic acid (PLA) (Mw = 17 kDa) was obtained from SunLip Biotechnology (Shanghai, China). PLA-HPG was synthesized as previously described (Deng et al., 2014 (link); Deng et al., 2015 (link)). Cyanine 5 (Cy5) and cyanine 7.5 (Cy7.5) were ordered from Aladdin (Shanghai, China). NaIO₄, Na₂SO₃, anhydrous dichloromethane (DCM), sodium dodecyl sulfate (SDS), and HPLC-grade methanol were obtained from Macklin (Shanghai, China). N, N′-diisopropylcarbodiimide (DIC) was purchased from Sigma-Aldrich (St. Louis, MO, United States). Potassium dihydrogen phosphate and potassium ammonium dihydrogen phosphate were chemical reagents (Guangzhou, Guangdong, China).

Lin H., Jia Y., Kong X., Wang S., Liu X., Liu Y, & Deng Y. (2022). In Vivo Evaluation of Cefuroxime Axetil-Loaded Bioadhesive Nanoparticles to Treat Haemophilus influenzae-Induced Otitis Media. Frontiers in Bioengineering and Biotechnology, 10, 884797.

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Synthesis and Characterization of Quaternary Ammonium Salts

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Cetyl trimethyl ammonium bromide (CTAB, 99%), Dodecyl trimethyl ammonium bromide (DTAB, 99%), Octyl trimethyl ammonium bromide (OTAB, 99%), Butyl trimethyl ammonium bromide (BTAB, 99%), Tetramethyl ammonium bromide (TMAB, 99%), Tetra ethyl ammonium bromide (TEAB, 99%), Tetra-n-propyl ammonium bromide (TPAB, 99%), Tetra-n-butyl ammonium bromide (TBAB, 99%), Hexadecyl dimethyl benzyl ammonium bromide (HDBAB, 99%), Ethyl hexadecyl dimethyl ammonium bromide (EHDAB, 99%), NaAuCl₄·2H₂O (99.8%), NH₄Cl (99%), Na₂SO₃ (98%), Na₂S₂O₃·5H₂O (98%) and NaOH (98%) were purchased from Macklin. Na₂SO₄ (99%), Li₂SO₄ (99%), K₂SO₄ (99%), Cs₂SO₄ (99%), Sodium dodecyl sulfate (SDS, 99.9%), NaBr (99%), Benzaldehyde (99%) and Hydrobenzoin (99%, RR, SS and meso isomers) were purchased from Aladdin. Carbon ECP600JD was purchased from Sinero.

Kong K., Li A.Z., Wang Y., Shi Q., Li J., Ji K, & Duan H. (2023). Electrochemical carbon–carbon coupling with enhanced activity and racemate stereoselectivity by microenvironment regulation. Nature Communications, 14, 6925.

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Metal-Mediated Bioactive Compound Synthesis

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2,4-difluorobenzoic acid, L-lysine, metal cation compound, and sodium salts (CuSO₄, MgCl₂·6H₂O, CaCl₂, ZnCl₂, MnCl₂, KI, (CH₃COO)₂Pb, (CH₃COO)₂Sr, (CH₃COO)₂Ba, LiCl, CdCl₂, AgNO₃, CsBr, NaCl, NaF, KHF₂, NaBr, Na₂SO₄, Na₂SO₃, Na₂CO₃, NaHCO₃, NaNO₃, NaNO₂, NaH₂PO₄, and NaH₂PO₂) were purchased from Macklin Biochemical Co., Ltd. (Shanghai, China) and of at least analytical grade. Deionized water was the solvent of all of the solutions, and all of the reagents were used directly without further treatment.

Zeng Y., Xu Z., Guo J., Yu X., Zhao P., Song J., Qu J., Chen Y, & Li H. (2022). Bifunctional Nitrogen and Fluorine Co-Doped Carbon Dots for Selective Detection of Copper and Sulfide Ions in Real Water Samples. Molecules, 27(16), 5149.

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Alkali Lignin Purification and Characterization

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Alkali lignin with 4% sulfur was acquired from Sigma-Aldrich (Shanghai, China).
3-Aminophenylboronic acid (≥98%) was purchased from Aladdin (Shanghai, China). Other chemicals, including NaCl2, NaF, Na2S, NaNO3, Na2SO3, Na2SO4, NaH2PO2, KCl, NiCl2.6H2O, MgCl2.6H2O, CuCl2.H2O, CaCl2, ZnCl2, FeCl3.6H2O, and K2CrO4 were purchased from Macklin (Shanghai, China). Deionized (DI) water was used throughout this experiment. The dialysis bags with retained molecular weight of 1000 Da were provided by Viskase (USA). The microporous filter membranes of aqueous system with the diameter of 1.0 and 0.10 μm were obtained by Jinteng (Tianjin, China). All chemicals were used without any further purification.

Zhu L., Shen D, & Hong Luo K. (2022). Triple-emission nitrogen and boron co-doped carbon quantum dots from lignin: Highly fluorescent sensing platform for detection of hexavalent chromium ions. Journal of colloid and interface science, 617.

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