Mostafa M. Amini

Shahid Beheshti University

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Ezzatollah Najafi

Payame Noor University

157

Seik Weng Ng

University of Malaya

Hamid Reza Khavasi

Shahid Beheshti University

Seik Weng Ng

University of Nottingham Malaysia Campus

Mahsa Armaghan

Heinrich Heine University Düsseldorf

Gholamhossein Mohammadnezhad

Isfahan University of Technology

Omid Sadeghi

University of Washington

S.W. Ng

Academy of Sciences Republic of Uzbekistan

Seik Weng Ng

UCSI University

Yousef Fazaeli

Atomic Energy Organization of Iran

Cooperative Institutions

Shahid Beheshti University

198

University of Tehran

Tehran University of Medical Sciences

Islamic Azad University, Tehran

Tarbiat Modares University

Shahid Beheshti University of Medical Sciences

Sapienza University of Rome

Islamic Azad University, Science and Research Branch

Payame Noor University

Iran University of Medical Sciences

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[4-(Dimethylamino)pyridine-κN ¹]trimethyl(thiocyanato-κN)tin(IV)

Acta Crystallographica Section E Structure Reports Online (2012)

Ezzatollah Najafi Mostafa M. Amini Seik Weng Ng

In the title monomeric trimethyl-tin(IV) isothio-cyanate-4,4-dimethyl-pyridine adduct, [Sn(CH(3))(3)(NCS)(C(7)H(10)N(2))], the Sn(IV) atom shows a trans-C(3)SnN(2) trigonal bipyramidal coordination. The Sn(IV) atom lies out of the equatorial plane by 0.033 (4) Å in the direction of the donor N atom of the N-heterocycle. The crystal studied was a non-merohedral twin with a minor component of 48.8 (2)%.

10.1107/s1600536812022064

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Experimental and theoretical studies of the triphenyltin(IV) chloride adduct of pyridine-2-ethanol

Journal of Molecular Structure (2009)

Alireza Salimi Masoud Mirzaei Mohammad Chahkandi A. Azadmeher Hossein Eshtiagh‐Hosseini

10.1016/j.molstruc.2009.08.010

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4-(Dimethylamino)pyridinium tetrachlorido(pyridine-2-carboxylato-κ² N,O)stannate(IV)

Acta Crystallographica Section E Structure Reports Online (2012)

Ezzatollah Najafi Mostafa M. Amini Seik Weng Ng

The reaction of 4-(dimethylamino)pyridine, picolinic acid and stannic chloride yields the title salt, (C 7 H 11 N 2 )[SnCl 4 (C 6 H 4 NO 2 )], in which the Sn IV atom is N , O -chelated by the picolinate ion in a cis -SnNOCl 4 octahedral geometry. The cation is linked to the anion by an N—H...O hydrogen bond.

Picolinic acid

Stannate

10.1107/s160053681201968x

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CCDC 936348: Experimental Crystal Structure Determination

The Cambridge Structural Database (2013)

Mahdi Mirzaee Mahsa Armaghan M. Norouzi Mostafa M. Amini Hamid Reza Khavasi

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.

Crystal (programming language)

10.5517/cc10fbsk

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Di-μ-chlorido-bis[aquachloridodimethyltin(IV)]–1,4,7,10,13-pentaoxacyclopentadecane (1/1)

Acta Crystallographica Section E Structure Reports Online (2012)

Mostafa M. Amini Seik Weng Ng

The Sn, Cl and water O atoms of the title compound, [Sn(2)(CH(3))(4)Cl(4)(H(2)O)(2)]·C(10)H(20)O(5), lie on a special position of 2 site symmetry. The Sn(IV) atom shows cis-C(2)SnCl(2)O trigonal-bipyramidal coordination [C-Sn-C = 157.0 (1)°]; however, two [Me(2)SnCl(2)(H(2)O)] units are linked by a tin-chlorine bridge [Sn←Cl = 3.247 (1) Å] across a center of inversion, generating a dinuclear species, so that the geometry is better regarded as a mer-C(2)SnCl(3)O octa-hedron. The crown ether inter-acts through O-H⋯O hydrogen with the metal atom through the coordinated water mol-ecules in an outer-sphere manner, generating a hydrogen-bonded chain running along [101]. The 15-crown-5 mol-ecule is disordered over the 2/m site.

Bipyramid

Coordination sphere

Chlorine atom

10.1107/s1600536812008781

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Sensitive determination of ketamine, methylphenidate, and tramadol in urine and wastewater samples by Porous Aromatic Framework-48 assisted electromembrane extraction coupled with ion mobility spectrometer

International Journal for Ion Mobility Spectrometry (2019)

Fahimeh Mirzaei Ali Reza Fakhari Alireza Hashemzadeh Mostafa M. Amini

Ion-mobility spectrometry

10.1007/s12127-019-00255-x

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(2-Methylquinolin-8-olato-κ²N,O)diphenyl(thiocyanato-κN)tin(IV)

Acta Crystallographica Section E Structure Reports Online (2010)

Ezzatollah Najafi Mostafa M. Amini Seik Weng Ng

The Sn(IV) atom in the title compound, [Sn(C(6)H(5))(2)(C(10)H(8)NO)(NCS)], is chelated by the 2-methyl-quinolin-8-olate anion and is five-coordinate in a trigonal-bipramidal geometry [C-Sn-C = 133.47 (13) and 138.77 (12)°]. There are two independent mol-ecules of similar conformation in the asymmetric unit.

Trigonal crystal system

10.1107/s1600536809055755

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Interobserver variability on the histopathologic diagnosis of cutaneous melanoma and other pigmented skin lesions.

Journal of Clinical Oncology (1996)

R. Corona Andrea Mele Mostafa M. Amini Gaetano De Rosa Giovanni Coppola

PURPOSE To assess the interobserver agreement on the diagnosis and classification of cutaneous melanoma. MATERIALS AND METHODS A set of 140 slides of cutaneous melanoma, including a small subset of benign pigmented skin lesions, were circulated to four experienced histopathologists. The kappa statistic for multiple ratings per subject was calculated using the method described by Fleiss. RESULTS The kappa value on the diagnosis of cutaneous melanoma versus benign lesions was 0.61. There was some discordance on the diagnosis in 37 of 140 cases (26%). For the histopathologic classification of cutaneous melanoma, the highest kappa values were attained for Breslow thickness (kappa = 0.76) and presence of ulceration (kappa = 0.87). The agreement was generally poor for other histologic features, such as level of dermal invasion (kappa = 0.38), presence of regression (kappa = 0.27), and lymphocytic infiltration (kappa = 0.27). CONCLUSION Our study suggests considerable disagreement among pathologists on the diagnosis of melanoma versus other pigmented lesions. Tumor thickness and presence of ulceration are the most reproducible histologic features of cutaneous melanoma.

Dermatopathology

Melanoma diagnosis

10.1200/jco.1996.14.4.1218

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Citations (260)

Dithizone-modified graphene oxide nano-sheet as a sorbent for pre-concentration and determination of cadmium and lead ions in food

Food Additives & Contaminants Part A (2015)

Hamid Reza Moghadam Zadeh Parvaneh Ahmadvand Ali Akhavan Behbahani Mostafa M. Amini Omid Sayar

Graphene oxide nano-sheet was modified with dithizone as a novel sorbent for selective pre-concentration and determination of Cd(II) and Pb(II) in food. The sorbent was characterised by various analytical methods and the effective parameters for Cd(II) and Pb(II) adsorption were optimised during this work. The high adsorption capacity and selectivity of this sorbent makes the method capable of fast determinations of the Cd(II) and Pb(II) content in complicated matrices even at μg l−1 levels using commonly available instrumentation. The precision of this method was < 1.9% from 10 duplicate determinations and its accuracy verified using standard reference materials. Finally, this method was applied to the determination of Cd(II) and Pb(II) ions in common food samples and satisfactory results were obtained.

Dithizone

Lead (geology)

10.1080/19440049.2015.1066937

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Fabrication of blue organic light-emitting diodes from novel uranium complexes: synthesis, characterization, and electroluminescence studies of uranium anthracene-9-carboxylate complexes

Dalton Transactions (2019)

Khodabakhsh Darzinezhad Mostafa M. Amini Ezeddin Mohajerani Mahsa Armaghan Tim Oliver Knedel

The optical properties of the prepared complexes are associated with the aromatic ligand resonant system.

Carboxylate

Characterization

10.1039/c8dt04981e

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Citations (9)