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3 3 dithiodipropionic acid

Manufactured by Merck Group
Sourced in United States

3,3'-dithiodipropionic acid is a chemical compound used in various laboratory applications. It serves as a precursor for the synthesis of other chemical compounds and is utilized in research and development activities.

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11 protocols using 3 3 dithiodipropionic acid

1

Heavy Metal Removal Sponge Protocol

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Absorbable gelatin sponges (60 mm × 20 mm × 5 mm) were purchased from Nanchang Xiangentang medical equipment Co. Ltd. (Xixiang, China). N-hydroxysuccinimide (NHS), branched polyethylenimine (PEI) with a molecular weight of 800 Da, 3,3′-dithiodipropionic acid, ethanol, dimethylformamide and 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride (EDC) were purchased from Sigma-Aldrich (St. Louis, MO, USA). Stock aqueous solutions of lead and cadmium (1 mg mL−1) were purchased from the National Institute of Metrology of China and then dissolved with ultrapure water.
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2

Dendrimer-based Chemotherapeutic Delivery

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G4 PAMAM dendrimer (10 wt% solution in methanol), glucose, camptothecin, 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride (EDC), 3,3'-dithiodipropionic acid, and 4-dimethylaminopyridine (DMAP) were purchased from Sigma-Aldrich Co., LLC (St. Louis, MO). glucose–PEG–NHS and mPEG–NHS were obtained from Jiankai Technology Company (Beijing, China). The fluorescent probes Basic Orange 14, Cy7-NHS, and MitoTracker Red were all obtained from FanBo Biochemical Corporation (Beijing, China). Dulbecco’s modified Eagle’s medium (DMEM), 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide (MTT), and fetal bovine serum (FBS) were purchased from Gibco Life Technology Company (Grand Island, NY). HepG2 and L02 cells were gifts from Dr. Dengke Li of the School of Life Science of Beijing University of Chinese Medicine. Male Kunming mice and Sprague–Dawley rats were obtained from Sibeifu Laboratory Animal Technology Company (Beijing, China).
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3

Biotin-TEG Modified AFM1 Aptamer Synthesis

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An AFM1 binding ssDNA aptamer ‘AFAS3’ (Malhotra et al. 2014 (link)) was extended by incorporating tetraethyleneglycol (TEG) and biotin at 3′-end of aptamer. The sequence of aptamer used was 5′ATCCGTCACACCTGCTCTGACGCTGGGGTCGACCCGGAGAAATGCATTCCCCTGTGGTGTTGGCTCCCGTAT-TEG-Biotin3′. The secondary structure of AFM-binding aptamer was predicted by Mfold programme (Fig. 2). HPLC purified aptamer was procured from Avantor Performance Materials India Ltd., Gurgaon, India. 3,3′-dithiodipropionic acid, and N-(3-dimethylaminopropyl)-N-ethylcarbodiimide (EDC) were from Sigma-Aldrich, USA. The N-hydroxysuccinimide (NHS) and streptavidin were purchased from Fluka, USA. Aflatoxins were procured from HiMedia Bioscience, India. Pure water having resistivity of 18.2 MΩ was used for electrode washing and sample preparation. All other chemicals used were of analytical grade.

Secondary structure of the 3′ Biotin-tetraethylene glycol (TEG) modified aflatoxin M1 binding aptamer ‘AFAS3’

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4

Sugar Beet Leaves Phytochemical Characterization

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The SBLs were of a sugar beet plant (Beta Vulgaris L., var. SMART DJERBA-KWS) aged 10 months (March–January 2021), cultivated at a local farm in Padova, Italy. The area and weight of the SBLs were about 20–30 cm2 and 2–3.5 g, respectively. They were transported to the laboratory in thermal boxes.
All the chemicals and solvents used in this work were of analytical grade. Sodium hydroxide, citric acid, sodium citrate tribasic dehydrate, sulfuric acid, hydrochloric acid, EtOH, MeOH, polyvinylpolypyrrolidone, triton X-100, 3,3′-dithiodipropionic acid, barium hydroxide, sodium acetate, potassium carbonate, sodium methoxide, acetonitrile, sodium carbonate, Folin–Ciocalteu reagent, gallic acid, Trolox, iron(III) chloride, 2,4,6-Tri(2-pyridyl)-s-triazine (TPTZ), and 2,2-diphenyil-1- picrylhydrazyl (DPPH) were bought from Sigma (St. Louis, MO, USA). AccQTag Ultra Derivatization Kit, and 6-aminoquinolyl-N-hydroxysuccinimidyl carbamate (AQC) were purchased from Waters (Milford, CT, USA). The water utilized in all the analyzes was deionized and distilled.
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5

Functionalized Lipid Bilayer Characterization

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3-Mercaptopropyltrimethoxysilane (MPTES, 95%) was purchased from
ABCR GmbH (Karlsruhe, Germany). Gold granules (99.99%) for evaporation
were obtained from Mateck GmbH (Juelich, Germany). Bio-beads (20–50
mesh) were purchased from Bio-Rad Laboratories GmbH (Vienna, Austria).
1,2-Diphytanoyl-sn-glycero-3-phosphocholine (DiPhyPC,
>99%) was provided by Avanti Polar Lipids (Alabaster, Alabama,
USA). Dithiobis (nitriloacetic acid butylamidyl propionate) (DTNTA,
≥95.0%) was obtained from Dojindo Laboratories (Kumamoto,
Japan). Hydroxylamine hydrochloride (NH2OH.HCl, 99%),
gold(III) chloride hydrate (HAuCl4.xH2O, 99.999%),
dimethyl sulfoxide (DMSO, puriss., dried over molecular sieve),
3,3’-dithiodipropionic acid (DTP, 99%),
dodecyl-β-D-maltoside (DDM, ≥98%), nickel(II) chloride
(NiCl2, 98%), D-(+)-glucose
(C6H12O6, ≥99.5%), glucose
oxidase (GOX) and catalase, as well as ubiquinone-10 (Q-10,
2,3-dimethoxy-5-methyl-6-all-trans-decaprenyl-1,4-benzoquinone)
were purchased from Sigma-Aldrich (Steinheim, Germany). All chemicals were used
as purchased.
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6

Synthesis of PEG-Functionalized Magnetic Nanoparticles

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The following reagents were manufactured by Sigma Aldrich, USA: Iron(III) acetylacetonate (≥97.0%), Triethylene glycol (TEG) (99%), Sodium nitrite (NaNO2) (≥97.0%), Sodium hydrocarbonate (NaHCO3) (≥99.7%), Sulfuric acid (H2SO4) (95–98%), Phosphate-buffered saline (PBS), Dopamine hydrochloride (MQ 200), 3,3′-dithiodipropionic acid NHS ester (NHS-DTDP), N-Hydroxysuccinimide (NHS) (≥ 97.0%), Polyethylene glycol-acetic acid 2-aminoethyl ester, M = 3500 g/mol (NH2-PEG-COOH), α,ω -bis{2-[(3-carboxy-1-hydroxypropyl)amino]ethyl}Polyethylene glycol, M = 3000 g/mol (PEG-COOH), N,N-Dimethylformamide (DMF) (≥99.8%), 1-Ethyl-3-(3-dimethylaminopropyl)carbodiimide (EDC) (≥97.0%), N,N-Diisopropylethylamine (DIPEA) (≥99%), Dithiothreitol (DTT) (≥95%), 3,3′-dithiodipropionic acid (DTDP) (≥99%), Dimethyl sulfoxide (DMSO) (≥99%), and Epon resin. 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide (MTS) was manufactured by Promega, USA. Paraformaldehyde OH(CH2O)nH (n = 8–100) was manufactured by Biovitrum, Russia. Cy5 NHS-ether and Cy3 amine dyes were manufactured by Lumiprobe, Russia. Ethanol (95%) was manufactured by Komponent-reactive, Russia. Deionized water was obtained in the Laboratory of Biomedical nanomaterials, NUST MISIS, Russia.
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7

Biodegradable Doxorubicin Nanocarriers

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Methyl ether poly(ethylene glycol) (mPEG, M n = 5000, M w /M n < 1.3), acryloyl chloride (AC, 98 %), triethylamine (TEA, > 99 %), 1,4-butylenediacrylate (BD, > 99 %), 3-amino-1-propanol (AP, > 99 %), 3,3'-dithiodipropionic acid (DTDP, > 99 %), acetyl chloride (> 98 %), N,N'-dicyclohexylcarbodiimide (DCC, > 99 %), 4-(dimethyl amino) pyridine (DMAP, > 99 %), glutathione (GSH, > 98 %) were purchased from Sigma-Aldrich (St Louis, MO, USA). Doxorubicin hydrochloride (DOX-HCl) was purchased from Wuhan Yuan Cheng Gong Chuang Co. (Wuhan, China). Dichloromethane (DCM, ≥99.8 %), dimethyl formamide (DMF, ≥99.8 %), chloroform (>99 %), dimethyl sulfoxide (DMSO, ≥99.9 %) and all other chemical reagents were used as received. Phosphate-buffered saline (PBS) buffers, fetal bovine serum (FBS), methylthiazoltetrazolium (MTT), Dulbecco's Modified Eagle's medium (DMEM), trypsin, penicillin and streptomycin and other biological materials were purchased from purchased from Lonza (Walkersville, MD). Lewis lung carcinoma (3LL) cell line was obtained from the American Type Culture Collection (ATCC) and cultured under the recommended conditions according to the supplier. All other biological reagents were used as received.
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8

Disulfide Compounds Characterization Protocol

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(±) α-Lipoic acid, 3,3′-dithiodipropionic acid (DTDPA), bis-(2-hydroxyethyl) disulfide (2-OH-SS), L-glutathione disulfide (GSSG), cystamine dihydrochloride, trans-4,5-dihydroxy-1,2-dithiane (4,5-(OH)2-dithiane), 5,5′-dithiobis-(2-nitrobenzoic acid) (DTNB), α-lactalbumin and recombinant human insulin (from Saccharomyces cerevisiae) were obtained from Sigma-Aldrich (Castle Hill, NSW, Australia). Fmoc-Met, Fmoc-MetSO, and the disulfides (N-Ac-Cys-OH)2, (H-Cys-Gly-OH)2, (H-Gly-Cys-OH)2, (Boc-Cys)2 were from Bachem (Bubendorf, Switzerland). (±) α-Lipoamide was obtained from Santa Cruz Biotechnology (Santa Cruz, CA, USA). di-N-acetyl-glutathione disulfide [(N-Ac)2-GSSG] was from Auspep (Tullamarine, Vic, Australia). 4-Methyl-1,2-dithiolane-4-carboxamide (4-Me-dithiolane-CONH2) was from Ambinter (GreenPharma, Orleans, France). Samples were prepared in 0.1 M phosphate buffers (pH 7.4) using Nanopure water (four-stage Milli-Q system; Millipore, NorthRyde, Australia). Buffers were treated with washed Chelex resin (Bio-Rad, Gladesville, NSW, Australia) to remove contaminating transition metal ions.
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9

Camptothecin-Polymer Bioconjugate Synthesis

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4-dimethylaminopyridine (DMAP), N-(3-dimethylaminopropyl)-N′-ethylcarbodiimide hydrochloride (EDC), copper(II) sulfate (CuSO4), (+)-sodium L-ascorbate, magnesium sulfate MgSO4, dichloromethane (DCM), tetrahydrofuran (THF), deuterated solvents, and other solvents were purchased from Acros (Morris Plains, NJ). (S)-(+)-Camptothecin (95%) (CPT), 3,3′-dithiodipropionic acid (DDPA), dithiothreitol (DTT), copper bromide (CuBr), 2,2’-bipyridine, 4-dimethylaminopyridine (DMAP), O-(2-Azidoethyl)nonadecaethylene glycol, N-(3-dimethylaminopropyl)-N′-ethylcarbodiimide hydrochloride (EDC), and silica gel 60 (40–63 μm, 230–400 mesh) were purchased from Sigma-Aldrich (St. Louis, MO). SnakeSkin dialysis tubing, MWCO 3500 and 7000 Da, was obtained from Thermo Fisher Scientific (Pittsburg, PA). Azido-3,6,9,12,15-pentaoxaoctadecan-18-oic acid (APO) was purchased from Biomatrik (Jiaxing, Zhejiang, China). PEAMO (Mn = 6468 g mol−1) and methoxypoly(ethylene glycol) azide (750 g mol−1) (mPEG750-azide ) synthesized by us [22 ] were used.
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10

Amine-Functionalized Carbon Nanoparticles for Doxorubicin Delivery

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Amine-functionalized CNPs were synthesized by the pyrolysis of L-glutamic acid (the detailed procedure is described in our previous report [25 (link)]). 3,3′-Dithiodipropionic acid (SS-COOH, 99%), polyethylene glycol (PEG, MW = 3000 g/mol), 1-ethyl-3-(3-dimethylaminopropyl)-carbodiimide (EDC, >97%), 4-dimethylaminopyridine (DMAP, >98%), N-hydroxysuccinimide (NHS, 98%), and doxorubicin hydrochloride (DOX, -NH3+Cl salt form, >98%) were obtained from Aldrich (St. Louis, MO, USA), and βCD (>98%) obtained from TCI (Tokyo, Japan) were purchased and used as received. HER was purchased from Roche (Basel, Switzerland), and Roswell Park Memorial Institute (RPMI) 1640 media, Dulbecco’s phosphate-buffered saline, trypsin-EDTA, and penicillin-streptomycin were purchased from Thermo Fisher Scientific (Waltham, MA, USA). Fetal bovine serum (FBS), CCK-8 reagent (product # CK04-13), and lysosomal staining reagent (product # ab176829) were purchased from GIBCO BRL (Grand Island, NY, USA), Dojindo (Kumamoto, Japan), and Abcam (Cambridge, MA, USA), respectively.
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