Zobrazeno 1 - 10
of 127
pro vyhledávání: '"Mohammad Reza Hadjmohammadi"'
Autor:
Hanieh Karimiyan, Mohammad Reza Hadjmohammadi, Karthik Laxman Kunjali, Mohammad Mahdi Moein, Joydeep Dutta, Mohamed Abdel-Rehim
Publikováno v:
Molecules, Vol 24, Iss 20, p 3664 (2019)
A wooden stick coated with a novel graphene-based nanocomposite (Graphene oxide/polyethylene glycol (GO/PEG)) is introduced and investigated for its efficacy in solid phase microextraction techniques. The GO/PEG-stick was prepared and subsequently ap
Externí odkaz:
https://doaj.org/article/e132671a628349ba973bc19492adc14d
Publikováno v:
Iranian Journal of Chemistry & Chemical Engineering, Vol 27, Iss 4, Pp 9-14 (2008)
The solvatochromism of fluoresceine and its derivatives was studied in solvents of different Hydrogen Bond Donor (HBD), Hydrogen Bond Acceptor (HBA), Donor Number (DN) and Acceptor Number (AN) by their UV-Vis spectra. Results showed that position, in
Externí odkaz:
https://doaj.org/article/0961fc4f3ff64d878d637365a7f8572c
Publikováno v:
Iranian Journal of Chemistry & Chemical Engineering, Vol 27, Iss 4, Pp 91-96 (2008)
A solid-phase extraction (SPE) method for sample clean-up and preconcentration followed by reversed-phase high-performance liquid chromatography (RP-HPLC) with uv detection is reported for determination of polycyclic aromatic hydrocarbons (PAHs) in t
Externí odkaz:
https://doaj.org/article/76e60f11e28c4707a05593a14b7bc1a1
Publikováno v:
Iranian Journal of Chemistry & Chemical Engineering, Vol 25, Iss 4, Pp 73-76 (2006)
A method for determination of juglone in leaves and hulls of Pterocarya fraxinifolia was developed, based on RP-HPLC. This compound was extracted from leaves and hulls by chloroform refluxing about 2 hours. The chloroform was evaporated under low pre
Externí odkaz:
https://doaj.org/article/87769382a5bb4395b23f8b5dcad2d98d
Publikováno v:
Iranian Journal of Chemistry & Chemical Engineering, Vol 25, Iss 1, Pp 13-18 (2006)
The effect of SDS (0.03-0.07 M) and Brij-35(0-0.003 M) concentrations and temperature on retention parameters of 30 solutes in micellar reversed- phase liquid chromatography systems were studied using solvation parameter model. The system constants w
Externí odkaz:
https://doaj.org/article/c4d0dbe7791e4863b009853bed067a05
Publikováno v:
Iranian Journal of Chemistry & Chemical Engineering, Vol 25, Iss 1, Pp 19-23 (2006)
Separation of some biogenic amines via RP-HPLC using mixed micellar mobile phase was investigated. The compounds were derivatized before hand by dansyl chloride as a chromophoric reagent. Appropriate conditions for separation, were determined by stud
Externí odkaz:
https://doaj.org/article/445393b8c5b04a2cad5644035690626f
Publikováno v:
Iranian Journal of Chemistry & Chemical Engineering, Vol 24, Iss 2, Pp 59-63 (2005)
Separation of ten sedative- hypnotic drugs was performed by RP-HPLC using mixed micellar mobile phase. Effect of temperature, type and amount of organic modifier in mobile phase on efficiency (N) and asymmetry factor (B/A) showed that, the appropriat
Externí odkaz:
https://doaj.org/article/cf8d8b5a3ee54ff5bf08f6799e58e496
Publikováno v:
Iranian Journal of Chemistry & Chemical Engineering, Vol 18, Iss 2, Pp 83-87 (1999)
Effects of ATP and Mg2+ concentrations on bioluminescence reaction of luciferase (Photinus pyralis) were investigated by home-made luminometer. The Michaelis constants of the enzyme for ATP and Mg2+ obtained from the Lineweaver-Burk graph, were 61.9
Externí odkaz:
https://doaj.org/article/4b12680138b54c3489be599bd000f70a
Publikováno v:
Journal of the Iranian Chemical Society. 19:885-892
The interaction of 10 synthetic food dyes with human serum albumin (HSA) was investigated using fluorescence spectroscopy, biopartitioning micellar chromatography (BMC) and molecular docking studies. The results obtained by fluorescence spectroscopy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::24221caaf11c2e9c41b369ad218088e5
https://doi.org/10.1007/s13738-021-02351-4
https://doi.org/10.1007/s13738-021-02351-4
Publikováno v:
Analytical Methods. 13:5821-5829
An environmentally friendly magnetic solid phase extraction method was developed based on magnetic chitosan–graphene oxide nanoparticles and deep eutectic solvents (DESs) for the pre-concentration and isolation of flavonoids (apigenin, morin, narin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dce9dd5a1f837ed6b31c6a29530bb96f
https://doi.org/10.1039/d1ay01530c
https://doi.org/10.1039/d1ay01530c