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2 bromoethylamine hydrobromide

Manufactured by Merck Group
Sourced in United States

2-bromoethylamine hydrobromide is a chemical compound commonly used as a laboratory reagent. It is a colorless crystalline solid that is soluble in water and alcohol. The compound is often utilized in organic synthesis reactions and is a versatile building block in the preparation of various derivatives.

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9 protocols using 2 bromoethylamine hydrobromide

1

Antibody Characterization and Modification

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2-bromoethylamine hydrobromide, TRIS hydrochloride, trypsin, α-cyano-4-hydroxycinnamic acid (CHCA), acetylated cysteine (Ac-C), and acetic anhydride were purchased from Sigma (St. Louis, MO, USA). Glu-C was from Promega (Madison, WI, USA). Potassium phosphate was acquired from JT Baker (Phillipsburg, NJ, USA) and ammonium bicarbonate was from Mallinckrodt Chemicals (Phillipsburg, NJ, USA). Concentrated sodium hydroxide was obtained from VWR Analytical (Radnor, PA, USA) and dithiothreitol was purchased from Bio-Rad (Hercules, CA, USA). Genentech (South San Francisco, CA, USA) provided the antibody, rituximab. Fmoc-Arg(Ptf) Wang resin and Fmoc-Cys(Trt)-OH were from Midwest Biotech (Fishers, IN, USA).
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2

Synthesis of Imidazole-based Compounds

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All the reagents used were of analytical grade and used without further purification. orthovaniline, Aniline, 2 chloroaninline, 4-chloroaniline, and 4-fluoro aniline were procured from Sd fine chemical company, India.1-methylimidazole, KPF6 and 2-bromoethylaminehydrobromide were procured from sigma Aldrich and used without further purification. All the solvents used were of spectroscopic grade.
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3

Lipid-Polymer Hybrid Nanoparticle Synthesis

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The SUNBRIGHT DSPE-020PA (DSPE-PEG-NH2) was purchased from NOF America Corporation (White Plains, NY). 1,2-Dioleoyl-3-trimethylammonium-propane (DOTAP) was purchased from Avanti Polar Lipids (Alabaster, AL). Cholesterol (CAS 57–88-5), 4-methoxybenzoyl chloride (CAS 100–07-2), 2-bromoethylamine hydrobromide (CAS 2576–47-8), N,N-diisopropylethylamine (CAS 7087–68-5), and acetonitrile (CAS 75–05-8) were purchased from Sigma-Aldrich (St. Louis, MO). The DSPE-PEG-AEAA was synthesized according to a previous publication.[31 (link)] The LPD NPs were prepared as previously reported.[32 (link)] DiD (Catalog No. D7757) was purchased from ThermoFisher Scientific (Waltham, MA). Recombinant human TGF-β1 protein (Catalog No. 240-B-002) was purchased from R&D Systems (Minneapolis, MN). D-luciferin (Catalog No. 556876) was purchased from BD Biosciences (Sparks, MD).
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4

Synthesis and Characterization of Ionic Liquids

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Two neutral compounds (BOH and THBP), HPLC-grade acetonitrile (ACN), ammonium formate (99%, NH4COOH), formic acid (95%), acetic acid (99%), dimethyl sulfoxide (99%, DMSO) and TM-β-CD (90%) were purchased from Sigma-Aldrich (St. Louis, MO, USA). The other two neutral compounds (TFAE and TSO) were purchased from TCI AMERICA (Tokyo, Japan). Sodium acetate (NaOAc), sodium hydroxide (NaOH) (50% w/w), sodium phosphate dibasic heptahydrate and sodium phosphate monobasic monohydrate were purchased from Fisher Scientific (Fair Lawn, NJ, USA). Triply deionized (DI) water used in this experiment was obtained from Barnstead Nanopure II water system (Barnstead International, Dubuque, IA, USA).
The reagents ω-undecylenyl alcohol, 2-bromoethylamine hydrobromide, pyridine anhydrous, L-leucinol, L-alaninol, L-valinol, L-isoleucinol, (1S,2R)-ephedrine hydrochloride, formic acid (≥95), formaldehyde (37% (wt/wt) solution in water) used for the synthesis of ILs were all purchased from Sigma-Aldrich (St. Louis, MO, USA). Triphosgene was obtained from TCI AMERICA (Tokyo, Japan). Sodium sulfate anhydrous and sodium bicarbonate were purchased from Fisher Scientific (Fair Lawn, NJ, USA).
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5

Peptide Synthesis Reagents and Solvents

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Triethylamine, triisopropylsilane
(TIS), 2-bromoethylamine
hydrobromide, Chloroform-d1, sodium borohydride,
dimethyl sulfoxide-d6, bromoacetic acid, N,N′-diisopropylcarbodiimide (DIC), 4-bromobenzyl
bromide, methanol-d4, and H-Rink Amide
ChemMatrix were purchased from Sigma-Aldrich. Ditert-butyl dicarbonate and (benzotriazol-1-yloxy)tripyrrolidinophosphonium
hexafluorophosphate (PyBOP) were purchased from Novabiochem. Solvents
for peptide synthesis (analytical grade) were purchased from Sigma-Aldrich
(dimethylformamide) and J. T. Baker (diethyl ether). Trifluoroacetic
acid (TFA) and N,N-diisopropylethylamine
(DIEA) were purchased from Iris Biotech. Ethyl acetate and acetic
acid were purchased from J. T. Baker. Chloroform and dimethyl sulfoxide
were purchased from Chempur. Se powder and ethyl alcohol were purchased
from POCH. Amino acids were purchased from PeptideWeb. 4-Methoxybenzyl
chloride was purchased from TCI. Solvents for LC-MS and HPLC measurements
were as follows: acetonitrile (MeCN), formic acid (HCOOH), and water
were purchased from chemsolve and J. T. Baker. The solvent (HPLC grade)
for the irradiation experiments and UV–vis measurement was
methanol (MeOH), which was purchased from J. T. Baker. The solvent
for GC-MS measurement was dichloromethane (DCM), which was purchased
from Chemsolve.
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6

Polymer-Based Biomaterial Synthesis

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Poly (methyl vinyl ether-co-maleic anhydride) or poly (anhydride) (Gantrez® AN119) was supplied by Ashland (Ashland, OR, USA). Mannosamine hydrochloride, zein, mannitol, lysine, tween 20, 2-bromoethylamine-hydrobromide, trifluoroacetic acid and bovine serum albumin (BSA) were purchased from Sigma-Aldrich (Madrid, Spain). Sucrose was supplied by Fagron (Barcelona, Spain). Ethanol formaldehyde, sodium hydroxide and dimethyl sulfoxide (DMSO) were supplied by Panreac (Barcelona, Spain). Acetone was obtained from VWR-Prolabo was provided by Invitrogen (Carlsbad, CA, USA). Tryptic soy broth (TSB) was obtained from bioMérieux (Marcv L’Etoile, France). RPMI 1640 and fetal bovine serum were obtained from Gibco-BRL (Thistle Scientific, Glasgow, UK). Coomassie brilliant blue and sample buffer were purchased from Bio Rad (Madrid, Spain).
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7

Ferulic Acid-Crosslinked Gelatin Hydrogels

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Gelatin (Gtn, type A from porcine skin, <300 bloom), 3-methoxy-4-hydroxycinnamic acid (ferulic acid, FA), N-(3-dimethylaminopropyl)-N′-ethylcarbodiimide hydrochloride (EDC), N-hydroxysuccinimide (NHS), dimethyl sulfoxide (DMSO), Dextran (Dex, MW 70,000), 2–bromoethylamine hydrobromide (BEAHB), triethylamine (TEA), 4–dimethylaminopyridine (DMAP), p–nitro–phenylchloroformate (PNC), poly(ethylene glycol) (PEG, MW 4000), tyramine (TA), laccase (lyophilized powder from mushroom, ≥4.0 units/mg), and deuterium oxide (D2O) were purchased from Sigma-Aldrich (Saint Louis, MO) and used as obtained without purification. Microbial transglutaminase (mTG) (Activa-TI) was purchased from Ajinomoto, Inc. Dulbecco’s Phosphate-Buffered Saline (DPBS), Dulbecco’s Modified Eagle Medium (DMEM), fetal bovine serum (FBS), and trypsin were all purchased from Gibco, Invitrogen (Life Technologies, CA). Dialysis membranes (molecular cutoff = 3500 Da; molecular cutoff = 6000–8000 Da) were purchased from Spectrum Laboratories (Rancho Dominguez, CA). Endothelial growth media-2 (EGM2) was purchased from Lonza (Walkersville, MD) and used to culture endothelial colony forming cells (ECFCs) (Lonza) on collagen I coated cell culture plates (BD Biosciences, Franklin Lakes, NJ).
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8

Inactivation of Rabies Virus for Immunization

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Rabies virus used for immunization of mice was inactivated with 2-bromoethylamine
hydrobromide (Sigma-Aldrich) as previously described [16 (link)]. The compound was dissolved in 0.5 M sodium hydroxide (NaOH) at the
concentration of 0.6 M and was converted to binary ethylenimine (BEI) by incubation at
37°C for 1 hr. The BEI was then added to the virus stock at a final concentration of 0.03
M, incubated for 18 hr at 37°C, and neutralized by adding sodium thiosulfate
(Sigma-Aldrich) to a final concentration of 2%. The inactivated virus was then mixed
thoroughly with aluminum hydroxide adjuvant (60% virus: 40% adjuvant).
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9

Electrochemical Sensing of Biomolecules

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GO was supplied by Nanjing XFNano Materials Technology Company (Nanjing, China, https://www.xfnano.com). All the other chemicals such as 2-bromoethylamine hydrobromide, 1methylimidazole, MnCl 2 •4H 2 O, tetramethyl-ammonium, K 3 Fe(CN) 6 , K 4 Fe(CN) 6 , ascorbic acid (AA), uric acid (UA), glucose, guanine, adenine, dopamine hydrochloride, citric acid, sodium citrate, Bull Serum Albumin (BSA), Britton-Robinson (BR) buffer and phosphate buffered solution were obtained from Sigma (Shanghai, China, https://www.sigmaaldrich.com/ china-mainland.html). Fetal bovine serum (FBS, #10439024) was purchased from Thermo Fisher Scientific (https://www. thermofisher.com/cn/zh/home.html). All reagents were analytical grade and used according to the instructions. Ultrapure water (18.25 MΩ cm) was used for all experiments.
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