Cetyltrimethylammonium bromide (CTAB, 99%) and tetraethyl orthosilicate (TEOS) were purchased from J&K Scientific Ltd., Beijing, China, and Fluorochem Ltd., Hadfield, UK, respectively. The template pesticide, pyrimethanil (98.0%), was supplied by Jiangsu Weunite Fine Chemical Co., Ltd. Acetonitrile of HPLC grade was purchased from Fisher Scientific (Geel, Belguim). Deionized water was obtained from a Milli-Q water purification system from Millipore, USA. Graphitized carbon black (GCB) and primary secondary amine (PSA) were purchased from Agela Technologies, Tianjin (China).
Primary secondary amine
Manufactured by Agela Technologies
Sourced in China
The Primary Secondary Amine (PSA) is a type of lab equipment used for the separation and purification of various chemical compounds. It functions by selectively adsorbing and retaining primary and secondary amines, allowing for their efficient isolation from complex mixtures.
Automatically generated - may contain errors
Lab products found in correlation
Formic acid, by Thermo Fisher Scientific (4 mentions)
Graphitized carbon black (gcb), by Agela Technologies (3 mentions)
Milli q water purification system, by Merck Group (2 mentions)
Methanol, by Thermo Fisher Scientific (2 mentions)
Anhydrous magnesium sulfate mgso4, by Sinopharm (2 mentions)
Acetonitrile of hplc grade, by Thermo Fisher Scientific (1 mentions)
Hplc grade acetonitrile, by Thermo Fisher Scientific (1 mentions)
Ammonium acetate, by Xilong (1 mentions)
S anabasine, by LGC (1 mentions)
Quinoline, by Maclin Biochemical Technology (1 mentions)
Sodium chloride (nacl), by Thermo Fisher Scientific (1 mentions)
Chromatographic grade acetonitrile, by Thermo Fisher Scientific (1 mentions)
Acetonitrile, by Tianjin Zhiyuan (1 mentions)
Rnase h, by Takara Bio (1 mentions)
Bovine serum albumin (bsa), by Merck Group (1 mentions)
Dithiothreitol (dtt), by Merck Group (1 mentions)
Ovalbumin (ova), by Merck Group (1 mentions)
Peg20000, by Merck Group (1 mentions)
Polyethylene glycol 20 000, by Merck Group (1 mentions)
2 n morpholino ethanesulfonic acid mes, by Merck Group (1 mentions)
14 protocols using primary secondary amine
1
Pesticide Extraction Using CTAB-TEOS Sorbent
2
Fenoxanil-based Nanomaterial Synthesis
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Fenoxanil (92.5%) was provided by Jiangsu Changqing Agrochemical Co., Ltd. CTAB (99%) was obtained from J&K Scientific Ltd. (Beijing, China). TEOS (99%) was purchased from Fluorochem Ltd. (Hadfield, UK). Deionized water was obtained from a Milli-Q water purification system from Millipore (Burlington, MA, USA). Primary secondary amine (PSA) and graphitized carbon black (GCB) were purchased from Agela Technologies (Tianjin, China). All other chemicals and reagents were commercially available and used as received without further purification.
3
Pesticide Quantification Protocol
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Pesticide standards, including rac-penthiopyrad (purity, 99.5%) and PAM (purity, 99.0%), were bought from J&K Scientific Ltd. (Beijing, China). The formulation of penthiopyrad (20%, suspension concentrate (SC)) was purchased from Mitsui Chemicals (China) Co., Ltd. (Shanghai, China). High-performance liquid chromatography (HPLC)-grade acetonitrile, methanol and formic acid were purchased from Thermo Fisher Scientific (Waltham, MA, USA). Primary secondary amine (PSA) was bought from Agela Technologies (Tianjin, China), and nylon syringe filters were bought from PeakSharp Technologies (Beijing, China). Distilled water was purchased from Watson Group Ltd. (Dongguan, China). All other reagents and solvents used in the experiments were commercially available at analytical purity.
4
Quantification of Furfural in Milk
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Different types of milk samples were purchased from retail stores for the analysis of furfural compounds and a Milli-Q-Plus ultra-pure water system from Millipore Sigma (Millipore, Bedford, MA, United States). The analytical-grade reagents, including sodium acetate anhydrous, magnesium sulfate anhydrous (MgSO 4 ), hydrochloric acid, and ammonium acetate, were purchased from XiLong Scientific Co., Ltd. (Guangzhou, China), and the analytical reagent grade sodium chloride was from the China National Pharmaceutical Group Chemical Testing (Beijing, China). The primary secondary amine (PSA; 40-63 μm, ultraclean bulk for QuEChERS) and C 18 (50 μm, ultraclean bulk for QuEChERS) were obtained from Agela Technologies (Shanghai, China). The casein, whey protein, and glucose were food grade and were purchased from Zhengzhou Longsheng Chemical Products Co., Ltd. (Zhengzhou, China).
5
Tobacco Alkaloids Analytical Standards
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Nine kinds of tobacco alkaloid standards: Nicotine was purchased from Chromadex (USA). (R,S)-Anatabine, S-(-)cotinine, (R,S)-nornicotine, N-methyl anabasine, isonicotenine, (S)-anabasine, myosmine and β-nicotyrine were obtained from Toronto Research Chemicals (Canada). The internal standard quinoline was obtained from Macklin. The purity of (R,S)anatabine, S-(-)-cotinine and β-nicotyrine are 95%, (R,S)nornicotine is 97%, the remaining five reagents have purity levels of 98%. The analytical purity of ammonia, HPLC grade of methanol and dichloromethane were from Fuyu Fine Chemical.
Anhydrous magnesium sulfate (180 -250 μm), Aluminum Oxide Active Basic (75 -150 μm) and silicon oxide were purchased from Kermel. Primary secondary amine (PSA, 40 -60 μm) was obtained from Agela Technologies. Carbon (75 μm) was from Shen Shine.
Anhydrous magnesium sulfate (180 -250 μm), Aluminum Oxide Active Basic (75 -150 μm) and silicon oxide were purchased from Kermel. Primary secondary amine (PSA, 40 -60 μm) was obtained from Agela Technologies. Carbon (75 μm) was from Shen Shine.
6
Quantification of Pharmaceutical Contaminants
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All reagents and solvents were of analytical grade unless specified.
DIZ, TOZ, and DIZ-13C315N2 were purchased from Dr. Ehrenstorfer (Augsburg, Germany). TZS, TZSO, TOZ-D3, and DNC were provided by BePure (Beijing, China). DNC-D8 was supplied by Witega (Berlin, Germany). All standards were at a 99.5% minimum purity. Dimethylformamide (DMF) was obtained from Shuanglin Huagong (Hangzhou, China). Sodium chloride and HPLC grades of methanol, formic acid, ACN, hexane (95%) were purchased from Thermo Fisher Scientific (Shanghai, China). Silica, C18, and primary secondary amine (PSA) were purchased from Agela Technologies (Tianjin, China). Envi-carb powder (Carb) was bought from Merck (Darmstadt, Germany). Deionized water was obtained by a Milli-Q system (Milford, MA, USA).
DIZ, TOZ, and DIZ-13C315N2 were purchased from Dr. Ehrenstorfer (Augsburg, Germany). TZS, TZSO, TOZ-D3, and DNC were provided by BePure (Beijing, China). DNC-D8 was supplied by Witega (Berlin, Germany). All standards were at a 99.5% minimum purity. Dimethylformamide (DMF) was obtained from Shuanglin Huagong (Hangzhou, China). Sodium chloride and HPLC grades of methanol, formic acid, ACN, hexane (95%) were purchased from Thermo Fisher Scientific (Shanghai, China). Silica, C18, and primary secondary amine (PSA) were purchased from Agela Technologies (Tianjin, China). Envi-carb powder (Carb) was bought from Merck (Darmstadt, Germany). Deionized water was obtained by a Milli-Q system (Milford, MA, USA).
7
Racemic Penthiopyrad Extraction Protocol
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Racemic penthiopyrad (purity, 99.5%), manufactured by Dr. Ehrenstorfer GmbH (Augsburg, Germany), was purchased from J&K Scientific Ltd. (Beijing, China). Chromatographic grade acetonitrile (ACN, 99.9%), methanol (MeOH, 99.9%), and formic acid (FA, 8.0%) were obtained from Thermo Fisher Scientific (Waltham, MA, USA). Analytical grade sodium chloride (NaCl, 99.5%), anhydrous sodium sulfate (Na2SO4, 99.0%), ethanol (EA, 99.7%), linear alkylbenzene sulfonates (LAS, 99.0%), and acetic acid (AA, 99.5%) were provided by Tianjin Zhiyuan Reagent Co., Ltd. (Tianjin, China). Primary secondary amine (PSA, 99.5%) was bought from Agela Technologies (Tianjin, China), and a 0.22 μm nylon syringe filter was obtained from PeakSharp Technologies (Beijing, China).
8
Analytical Method for Chlorfenapyr and Tralopyril
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The standards of chlorfenapyr (97 % purity) and tralopyril (98 % purity) were purchased from Ehrenstorfer GmbH (Augsburg, Germany) and Shanghai Yuanye Bio-technology Co., Ltd. (Shanghai, China), respectively. The formulation of chlorfenapyr (suspension concentrate (SC), 100 g/L) was bought from BASF Plant Protection (Jiangsu) Co., Ltd. (Nantong, China). Mass spectrometry (MS)-grade methanol and formic acid were obtained from Thermo Fisher Scientific (Waltham, USA). Acetonitrile, acetone, NaCl, and anhydrous MgSO4 were provided by Tianjin Zhiyuan Chemical Reagent Co., Ltd. (Tianjin, China). Primary secondary amine (PSA) was purchased from Bonna-Agela Technologies (Tianjin, China), and the nylon syringe filters (0.22 µm) were bought from Tianjin Navigator Lab Instrument Co., Ltd. (Tianjin, China).
9
Multiplex Pesticide Detection Assay
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Polyethylene glycol 20000 (PEG 20000), Tris-EDTA (TE) buffer (pH 7.4), ovalbumin (OVA), tris(2-carboxyethyl)phosphine (TCEP), dithiothreitol (DTT), and bovine serum albumin (BSA) were provided by Sigma-Aldrich (St. Louis, MO, USA). Institute of Pesticide and Environmental Toxicology (Zhejiang University, Zhejiang, China) donated antigens (triazophos, parathion, and chlorpyrifos) and their monoclonal antibodies at a concentration of 4.53, 7.57, and 6.31 mg/mL, respectively. Dr. Ehrenstorfer GmbH (Augsburg, Germany) supplied triazophos, parathion, and chlorpyrifos (purity, 98%) and their structural analogs (>95%) standards. RNase H was procured from Takara (Kusatsu, Japan). Shanghai Sangon Biotechnology Co., Ltd. (Shanghai, China) supplied all oligonucleotides. Octadecyltrimethoxysilane (C18, 40–60 μm) and primary-secondary amine (PSA, 40–60 μm) were acquired from Bonna-Agela Technologies (Tianjin, China).
10
Triazophos Detection Method Development
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The triazophos standard, 2-(N-morpholino) ethanesulfonic acid (MES), 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride (EDC), N-hydroxysuccinimide (NHS), N,N-dimethylformamide (DMF), N,N′-dicyclohexyl carbodiimide (DCC), Ovalbumin (OVA), Albumin from bovine serum (BSA), HAuCl4·3H2O and trisodium citrate were purchased from Sigma-Aldrich (St. Louis, MO, USA). Primary secondary amine (PSA) and C18 solid-phase extraction packing materials were purchased from Bonna-Agela Technologies (Tianjin, China). Carboxyl-functionalized magnetic nanoparticles (MNPs) and HPLC-grade acetonitrile and methanol were acquired from Thermo Fisher Scientific (MA, USA). All other chemicals and organic solvents, including Tris, hydrochloric acid, Tween 20, and peroxide, were of analytical grade or higher and were purchased from Beijing Chemical Industry Group Co., Ltd (Beijing, China). All oligonucleotides used in this work were ordered from Sangon Co., Ltd. (Shanghai, China).
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