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Ethylenediaminetetraacetic acid edta

Manufactured by Sinopharm
Sourced in China

Ethylenediaminetetraacetic acid (EDTA) is a chelating agent used in various laboratory applications. It is a colorless, water-soluble compound that forms stable complexes with metal ions. EDTA's primary function is to sequester cations, facilitating their removal or stabilization in analytical procedures.

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8 protocols using ethylenediaminetetraacetic acid edta

1

Wheat Gluten and Grape Skin Extract Purification

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Wheat gluten (purity 85.7%) was purchased from Henan Lianhua Monosodium Glutamate Group Co., Ltd. (Zhoukou, China). Grape skin extracts were purchased from Yunnan Tonghai Yang Natural Products Co., Ltd. (Yuxi, China). The macroporous resin AB-8 was obtained at Shanghai Macklin Biochemical Co., Ltd. (Shanghai, China). 5′-Dithiobis-(2-nitrobenzoic acid) (DTNB) and anilino-1-naphthalenesulfonic acid (ANS) were purchased from Aladdin Reagent Co., Ltd. (Shanghai, China). Tris, Glycine, SDS, Acetic Acid, KBr, NaCl, and Ethylene Diamine TetraAcetic Acid (EDTA) were purchased from Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China). All the other reagents of analytical grade were purchased from Sinopharm Chemical Reagent Co., Ltd. (Beijing, China). Experimental water was obtained using a Milli-Q® Advantage A10 water purification system (Merck KGaA, Darmstadt, Germany).
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2

Synthesis and Characterization of Antimicrobial Silica Nanoparticles

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Cetyltrimethylammonium bromide (CTAB), Ca(OH)2 were purchased from Sigma-Aldrich Co. (St. Louis, MO, USA). Tetraethyl orthosilicate (TEOS) and methyl cellulose were obtained from Aladdin Industrial Corporation (Shanghai, China). Ammonium hydroxide, calcium nitrate tetrahydrate, silver nitrate (AgNO3), NaClO, ethylenediaminetetraacetic acid (EDTA) were obtained from Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China). TX-100 was obtained from BioFroxx (Einhausen, Germany). Tris-HCL (1M, pH 7.4) was purchased from Aspen Biological (Wuhan, China). Brain heart infusion (BHI) were purchased from Becton-Dickinson (Franklin Lakes, NJ, USA). A Cell Counting Kit-8 (CCK-8) was obtained from Dojindo Laboratories (Kumamoto, Japan).
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3

Synthesis and Characterization of BLM Nanoparticles

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BLM was purchased from Acmec biochemical (China). Bovine serum albumin (BSA) and EGCG were purchased from Macklin (China). FeCl3·6H2O was purchased from Aladdin (China). Phosphate buffer saline (PBS) was purchased from Servicebio (China). Penicillin–streptomycin solution (100  ×), fetal bovine serum (FBS), RPMI medium 1640, and trypsin were purchased from Gibco (USA). 4′,6-diamidino-2-phenylindole (DAPI), fluorescent dye 1,1′-dioctadecyl-3,3,3′-dio tetramethylindotricarbocyanine iodide (DiR) and ROS assay kit were obtained from Beyotime (China). Ethanol absolute, ammonia solution, ethylenediamine tetraacetic acid (EDTA), urea, glucose and all other chemical reagents were purchased from Sinopharm Chemical Reagent Co., Ltd (China).
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4

Eggshell Extraction and Purification Protocol

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Fresh chicken eggshells (Hy-Line Brown and White Leghorns) were collected from a local hennery (Jiufengshan Farm, China). Acetic acid, hydrochloric acid, sodium hydroxide, sodium chloride, ethylene diamine tetraAcetic acid (EDTA), guanidine hydrochloride, tris, potassium dihydrogenphosphate and disodium hydrogen phosphate were obtained from Sinopharm Chemical Reagent Co., Ltd. (China), and all the chemicals were of analytical reagent grade. Dithiothreitol (DTT), phenylmethylsulfonyl fluoride (PMSF) and 4-(2-hydroxyethyl)-1-piperazine ethanesulphonic acid (HEPES) were supplied by Biosharp Co. Ltd., and all of them were of biochemical reagent grade. Deionized water was used for aqueous solution preparation. Prior to use, all solutions prepared were filtered through a 0.22 μm membrane. CM Sepharose Fast Flow and DEAE Sepharose Fast Flow were supplied by General Electric Company (USA).
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5

Quantification of Cysteine-Related Compounds

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Cysteine (Cys), homocysteine (HCys), N-acetyl-cysteine (Nac), γ-glutamylcysteine (γ-GluCys), glutathione (GSH), pantetheine, and glycine were purchased from Sigma (St. Louis, MO, USA). Chromatographic grade methanol was purchased from TEDIA Co. Inc. (Ohio, USA). Formic acid and ethylenediaminetetraacetic acid (EDTA) were purchased from Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China). All other solvents and chemicals used were of analytical grade. The water used throughout the study was purified by a Milli-Q apparatus (Millipore, Bedford, MA). Stock standard solutions of Cys, HCys, Nac, γ-GluCys, GSH, and pantetheine were prepared in 1.0 mmol/L ethylenediaminetetraacetic acid (EDTA) solution containing 0.05% Formic acid at a concentration of 1.0 mmol/L.
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6

Multifunctional Polymeric Nanoparticles for Cancer Therapy

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PLGA (66–107 kDa, lactide:glycolide 75:25), gelatin (from porcine skin, Type A), and polyvinyl alcohol (PVA) were obtained from Sigma‐Aldrich (St. Louis). HepG2 cells, HUVECs, DAPI, L929, phosphate‐buffered saline (PBS), CCK‐8 working solution, annexin V‐fluorescein isothiocyanate isomer (FITC) reagent, and AO/EB were purchased from Keygen Biotech Co., Ltd (Nanjing, China). Trypsin was purchased from Amresco (Solon). DCM, ethylenediaminetetraacetic acid (EDTA), and DMF were purchased from Sinopharm Chemical Reagent Co., Ltd. (Shanghai). Fetal bovine serum (FBS), endothelial basal medium (F‐12K), penicillin‐streptomycin, and Dulbecco's modified Eagle medium (DMEM) were purchased from Gibco (Grand Island). DOX and Triton X‐100 were obtained from Aladdin Industrial Inc. (Shanghai, China). CIS was obtained from Meryer Chemical Technology Co., Ltd. (Shanghai). Paraformaldehyde (4%, w/v) and FITC‐phalloidin were purchased from Solarbio Life Sciences (Beijing). VE‐Cad primary polyclonal antibody, goat antirabbit IgG (H+L) secondary antibody, and cell labeling kits (Qtracker 525 and 655) were obtained from Thermo Fisher (Waltham).
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7

Penicillium digitatum Cultivation Protocol

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Penicillium digitatum DSM 62840 was purchased from the German Collection of Microorganisms and Cell Cultures (DSMZ, Braunschweig, Germany). Glucose, ethylene diamine tetraacetic acid (EDTA), 12 H2O⋅Na2HPO4, 2 H2O⋅NaH2PO4, and 1,10-phenanthroline were purchased from Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China). R-(+)-Limonene and R-(+)-α-terpineol were obtained from Sigma Chemical Company (St. Louis, MO, United States). Hydrochloride (SKF-525A) and dithiothreitol (DTT) were purchased from Shanghai Aladdin Bio-Chem Technology Co., Ltd. (Shanghai, China). Malt extract was obtained from Beijing Shuangxuan Microbe Culture Medium Products Factory (Beijing, China). Yeast extract and peptone were purchased from Beijing Aoboxing Bio-Tech Co., Ltd. (Beijing, China). Phenylmethylsulfonyl fluoride (PMSF) was purchased from Shanghai Macklin Biochemical Co., Ltd. (Shanghai, China).
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8

Insecticide Compounds Sourcing and Characterization

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Metaflumizone (240 g/L SC) was obtained from the BASF Chemical Co., Ltd. (Shanghai, China). Indoxacarb (95%), abamectin (95%), beta-cypermethrin (96.1%), chlorfluazuron (95%), chlorfenapyr (95%), diafenthiuron (98%), and chlorantraniliprole (95%) were purchased from Hubei Kangbaotai Fine-Chemicals Co., Ltd. (Wuhan, China). Spinetoram (60 g/L SC) and spinosad (25 g/L SC) were purchased from the Dow AgroSciences Co., Ltd. (Shanghai, China). BT WG-001 (16000 IU/mg) was supplied by the Hubei Biopesticide Engineering Research Center. The following were obtained from the Sigma Chemical Co., Ltd. (St. Louis, MO, USA): triphenyl phosphate (TPP, reagent grade); diethyl maleate (DEM, reagent grade); piperonyl butoxide (PBO, reagent grade); 1-chloro-2,4-dinitrobenzene (CDNB); reduced glutathione (GSH); fast blue B salt; sodium-dodecyl sulphate (SDS); dithiothreitol (DTT); eserine; phenylmethanesulfonyl fluoride (PMSF). Alpha-naphthol acetate (α-NA) and ethylene diamine tetra-acetic acid (EDTA) were purchased from the Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China). Reduced nicotinamide adenine dinucleotide phosphate (NADPH) was obtained from Roche Molecular Systems, Inc. (San Francisco, CA, USA). The protein-assay dye reagent was provided by Bio-Rad Laboratories, Inc. (Shanghai, China).
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