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14 protocols using sodium bromide

1

Extraction and Characterization of Tuna Skin

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Tuna skin was supplied from Ningbo Today Food Co. Ltd. (Zhejiang, China). Glacial acetic acid, pepsin, sodium chloride, chitosan, glycerol, sodium bromide and LB medium were obtained from Sinopharm Chemical Reagent Co. Ltd. (Shanghai, China). Escherichia coli CICC 20658, Bacillus subtilis CICC 10732, Staphylococcus aureus CICC 10,201 and Listeria monocytogenes ATCC 19,111 were ordered from China Center of Industrial Culture Collection (Beijing, China). 1,1-diphenyl-2-picryl-hydrazyl (DPPH) was purchased from Sigma Company (St. Louis, MO, USA). All reagents were of analytical grade.
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2

Bamboo-based Renewable Biomaterials

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Moso bamboo and edible oil were purchased from a local supermarket in Wuxi, Jiangsu. 2,2,6,6-tetramethylpiperidine-1-oxyl radical (TEMPO), sodium bromide (NaBr), sodium hypochlorite (NaClO), sodium hydroxide (NaOH) were obtained from Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China). Sodium chlorite (NaClO2), anhydrous ethanol, acrylamide (AM), potassium persulfate (KPS), tetramethylenediamine (TEMED), ascorbic acid (AA), sulfosalicylic acid (SA), ferrous sulfate (FeSO4), glycerin, hydrogen peroxide (H2O2) were purchased from Aladdin Chemical Co., Ltd. (Shanghai, China). All chemicals were used as analytical reagents with no further purification.
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3

Polyimide Membrane Functionalization via Heavy Ion Irradiation

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Polyimide (PI, 12 μm thick) membranes were irradiated with heavy ions at the UNILAC linear accelerator (GSI, Darmstadt, Germany). 1-Ethyl-3-(3-dimethylaminopropyl)carbodiimide (EDC), potassium iodide (KI), N-hydroxysulfosuccinimide (NHS), sodium hypochlorite (NaClO), 4-morpholine ethyl sulfonic acid (MES), sodium ascorbate, copper sulfate pentahydrate (CuSO4·5H2O), potassium chloride (KCl), sodium bromide (NaBr), sodium iodide (NaI), sodium chloride (NaCl), sodium hydrogen sulfite (NaHSO3), sodium acetate (NaOAC), sodium nitrate (NaNO2), sodium hydrogen carbonate (NaHCO3), sodium perchlorate (NaClO4), and tris(hydroxymethyl)aminomethane hydrochloride (Tris–HCl) were purchased from Sinopharm Chemical Reagent Shanghai Co., Ltd (SCRC, China). All solutions were prepared in MilliQ water (18.2 MΩ).
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4

Preparation and Characterization of κ-Carrageenan-based Hydrogels

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Food-grade κCar (gel strength ≥ 1300 g/cm2, ash content 15–25%, and moisture content ≤ 12%) was obtained from Greenfresh (Fujian) Food Stuff Co., Ltd. (Fujian, China). MAH was purchased from Vertellus (Shanghai, China) Chemical Co., Ltd. (Shanghai, China). Sodium hydroxide, hydrochloric acid, anhydrous ethanol, isopropanol, glycerol, and sodium bromide were all of analytical grade and purchased from Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China). All chemicals were used as received without further purification.
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5

Tuna Skin Bioactive Compound Extraction

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Tuna skin was obtained from Ningbo Today Food Co. Ltd. (Zhejiang, China). Acetic acid, pepsin (1800 U/g), sodium chloride, chitosan, glycerol, sodium bromide, and LB medium powder were purchased from Sinopharm Chemical Reagent Co. Ltd. (Shanghai, China). Escherichia coli CICC 20658, Bacillus subtilis CICC 10732, Staphylococcus aureus CICC 10201, and Listeria monocytogenes ATCC 19111 were ordered from China Center of Industrial Culture Collection (Beijing, China). 1,1-Diphenyl-2-picryl-hydrazyl (DPPH), GA, TA, and EA were purchased from Sigma Company (St. Louis, MO, USA). All reagents used in the experiments were of analytical grade.
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6

Palladium-Catalyzed Oxidative Bromination

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All chemicals were of reagent grade and used without further purification. Palladium dichloride, hydrochloric acid, sodium bromate, sodium bromide, and activated Al2O3 in the form of porous pellets were obtained from Sinopharm Chemical Reagent Co., Ltd (Shanghai, P. R. China). Hydrogen gas (99.99%) was produced with a hydrogen generator (Shenyang Guangzheng Co., Shenyang, P. R. China).
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7

Quantification of 3-MCPD Esters in Camellia Oil

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Three crude camellia oil samples were supplied by three different Camellia oil manufacturers (named A, B, and C) of Changshan City of Zhejiang Province (Changshan, China). Bis-1,2-palmitoyl-3-chloropropanediol (PP-3-MCPD), and bis-1,2-palmitoyl-3-chloropropanediol-d5 (PP-d5-3-MCPD) was purchased from Toronto Research Chemicals Inc. (Toronto, ON, Canada) at purities > 98%. Chromatography grade n-hexane, ethyl acetate, acetone and diethyl ether were purchased from J. T. Baker® Chemicals (Radnor, PA, USA). Chromatography grade methyl tert-butyl ether, methanol, isooctane and analytical grade sodium methoxide were purchased from Aladdin Reagent (Shanghai, China). Sodium bromide, phenylboronic acid and anhydrous sodium sulfate (used after baking at 450 °C for 4 h) were purchased from Sinopharm Chemical Reagent Co., Ltd (Shanghai, China). The (n-propyl)ethylenediamine (PSA) (6 cc, 200 mg) SPE columns were obtained from Waters (Milford, MA, USA).
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8

Phytochemical Extraction and Analysis

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Apple was bought at local supermarket in Wuhan, China. Wheat gluten was bought from Huafeng Powder Industry Co., Ltd. (Henan, China). Hydrochloric acid, sodium hydroxide, dichloromethane, absolute ethyl alcohol, lithium chloride, potassium acetate, potassium carbonate, sodium bromide, potassium iodide, and sodium chloride were chemical reagents and purchased from Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China).
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9

Multifunctional Talc-based Composite Synthesis

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Talc (Mgso3), isopropanol, disodium hydrogen phosphate dodecahydrate (H25Na2O16P), sodium borohydride (NaBH4), sodium hydrogen phosphate dihydrate (Na2HPO4), sodium bromide (NaBr), and sodium chloride reagents were purchased from Sino Pharm Chemical Reagent Co. Ltd. (PR China). PEG 4000 was purchased from Solarbio, Shanghai, China, (2,2,6,6-Tetramethylpiperidin-1-yl)oxyl TEMPO was purchased from Damas-beta, Shanghai, China, sodium hypochlorite (NaOCl) was purchased from MACKLIN, Shanghai, China, and hydroxy propyl methylcellulose (HPMC) and Eudraget L 100 were purchased from Shanghai Dxiang Pharmaceutical Technology Co. Ltd.
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10

Synthesis and Characterization of Alkyl Halide Compounds

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The chemicals used in the experiment are all of analytical grade. Biphenyl, 4-acetylpyridine, trifluoromethanesulfonic acid (TFSA), and trifluoroacetic acid (TFA) were purchased from Saan chemical technology Co., Ltd., Shanghai, China. Bromoethane, 1-bromopropane, 1-bromopentane, and 1-bromheptane were supplied by Shanghai Aladdin Biochemical Technology Co., Ltd., Shanghai, China. Sinopharm Group Chemical Reagent Co., Ltd., Beijing, China supplied sodium chloride (NaCl), sodium fluoride (NaF), sodium bromide (NaBr), sodium nitrate (NaNO3), sodium sulfate (Na2SO4), potassium nitrate (KNO3), N-methyl-2-pyrrolidone (NMP), dichloromethane, and dimethyl sulfoxide (DMSO). The cation exchange membrane (CM-2) and monovalent anion permselective membrane (ACS) were purchased from ASTOM, Tokuyama Soda, Japan.
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