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You searched for: Subject "ammonium acetate" Remove constraint Subject: "ammonium acetate" Journal Analytical methods Remove constraint Journal: Analytical methods Publication Year 2018 Remove constraint Publication Year: 2018
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1. Electrochemical detection of tocopherols in vegetable oils by supercritical fluid chromatography equipped with carbon fiber electrodes

Author:
Yamamoto, Kazuhiro; Kotani, Akira; Hakamata, Hideki
Source:
Analytical methods 2018 v.10 no.36 pp. 4414-4418
ISSN:
1759-9679
Subject:
ammonium acetate,   etc   ; carbon dioxide; carbon fibers; detection limit; electrochemistry; electrodes; methanol; silica gel; supercritical fluid chromatography; vegetable oil;     Show all 10 Subjects
Abstract:
... A flow-through column electrolytic cell for supercritical fluid chromatography has recently been developed. To examine the applicability of the cell to real samples, the determination of tocopherols in edible vegetable oils was carried out. Tocopherols (α, β, γ and δ) and 2,2,5,7,8-pentamethyl-6-hydroxychroman (internal standard) were eluted and fully separated within 10 min using a mixture of sup ...
DOI:
10.1039/c8ay01054d

2. Development and validation of a robust analytical method to quantify both etoposide and prodigiosin in polymeric nanoparticles by reverse-phase high-performance liquid chromatography

Author:
Agwa, M. M.; Elessawy, F. M.; Hussein, A.; El Demellawy, M. A.; Elzoghby, A. O.; Abd El-Salam, M. H.; Eldiwany, A. I.
Source:
Analytical methods 2018 v.10 no.19 pp. 2272-2280
ISSN:
1759-9679
Subject:
ammonium acetate,   etc   ; ambient temperature; beta-casein; etoposide; lactoferrin; lung neoplasms; methanol; nanoparticles; neoplasm cells; pH; reversed-phase high performance liquid chromatography; wavelengths;     Show all 12 Subjects
Abstract:
... The objective of this work was to develop and validate a rapid reversed-phase high-performance liquid chromatography method for the quantification of etoposide (ETP) and prodigiosin (PRO) content in a nanoparticle delivery system prepared with β-casein coated lactoferrin for targeted delivery to lung cancer cells. Chromatographic runs were performed on a Shimadzu Prominence LC-20AP with an RP Pron ...
DOI:
10.1039/c8ay00030a

3. Pulsed amperometric detection of pharmacologic adulterants in dietary supplements using a gold electrode coupled to HPLC separation

Author:
Muratt, Diana T.; Müller, Larissa S.; Molin, Thais Dal; Viana, Carine; de Carvalho, Leandro M.
Source:
Analytical methods 2018 v.10 no.19 pp. 2226-2233
ISSN:
1759-9679
Subject:
ammonium acetate,   etc   ; adulterants; antidepressants; biphenyl; caffeine; diazepam; dietary supplements; diuretics; electrodes; furosemide; gold; high performance liquid chromatography; laxatives; markets; pH; screening; tranquilizers; yohimbine;     Show all 18 Subjects
Abstract:
... The enlargement of the dietary supplement market has been observed in several countries around the world. However, the increasing consumption of these products raises concerns about their quality and safety. Considering the current scenario, the aim of this study was to develop a new method for screening of multiclass drugs as possible adulterants of dietary supplements. Six drug classes (stimulan ...
DOI:
10.1039/c8ay00178b

4. Development and validation of a stability-indicating ultra-performance liquid chromatography (UPLC) method for doxycycline hyclate: an optimization of the analytical methodology for a medical countermeasure (MCM) drug

Author:
Mohammad, Adil; Yen, Cheng H.; Schneider, Miah; Lowry, Bryan; Yerlikaya, Firat; Whitesell, Gretchen; Leisssa, Brad; Faustino, Patrick J.; Khan, Saeed R.
Source:
Analytical methods 2018 v.10 no.16 pp. 1842-1851
ISSN:
1759-9679
Subject:
ammonium acetate,   etc   ; Bacillus anthracis; EDTA (chelating agent); acetonitrile; chemical species; disease control; doxycycline; drugs; hydrolysis; oxidation; pH; photolysis; public health; spores; stakeholders; ultra-performance liquid chromatography; United States;     Show all 17 Subjects
Abstract:
... Doxycycline hyclate (DOX) is a broad-spectrum anti-infective drug that can be administered for post-exposure prophylaxis (PEP) following exposure to aerosolized spores of Bacillus anthracis and it may be used for acute radiation syndrome (ARS). Because of this public health importance, several federal, state, and local public health and emergency response stakeholders stockpile doxycycline tablets ...
DOI:
10.1039/c8ay00078f