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  1. Article: Cytotoxicity, anti-microbial studies of M(II)-dithiocarbamate complexes, and molecular docking study against SARS COV2 RNA-dependent RNA polymerase.

    Al-Janabi, Ahmed S M / Saleh, Abdulrahman M / Hatshan, Mohammad R

    Journal of the Chinese Chemical Society. Zhongguo hua xue hui (Taipei, Taiwan)

    2021  Volume 68, Issue 6, Page(s) 1104–1115

    Abstract: Ten transition metal dithiocarbamate (DTC)complexes of the type [M( ...

    Abstract Ten transition metal dithiocarbamate (DTC)complexes of the type [M(
    Language English
    Publishing date 2021-02-11
    Publishing country China (Republic : 1949- )
    Document type Journal Article
    ZDB-ID 2029538-8
    ISSN 2192-6549 ; 0009-4536
    ISSN (online) 2192-6549
    ISSN 0009-4536
    DOI 10.1002/jccs.202000504
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Synthesis, anti-bacterial evaluation, DFT study and molecular docking as a potential 3-chymotrypsin-like protease (3CLpro) of SARS-CoV-2 inhibitors of a novel Schiff bases.

    Al-Janabi, Ahmed S M / Elzupir, Amin O / Yousef, Tarek A

    Journal of molecular structure

    2020  Volume 1228, Page(s) 129454

    Abstract: New Schiff bases {N'-(phenyl(pyridin-2-yl)methylene) isonicotinohydrazide ( ... ...

    Abstract New Schiff bases {N'-(phenyl(pyridin-2-yl)methylene) isonicotinohydrazide (L
    Keywords covid19
    Language English
    Publishing date 2020-10-17
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 194476-9
    ISSN 0022-2860 ; 0377-046X
    ISSN 0022-2860 ; 0377-046X
    DOI 10.1016/j.molstruc.2020.129454
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Cd(II) and Pd(II) Mixed Ligand Complexes of Dithiocarbamate and Tertiary Phosphine Ligands-Spectroscopic, Anti-Microbial, and Computational Studies.

    Abdullah, Tohama B / Behjatmanesh-Ardakani, Reza / Faihan, Ahmed S / Jirjes, Hayfa M / Abou-Krisha, Mortaga M / Yousef, Tarek A / Kenawy, Sayed H / Al-Janabi, Ahmed S M

    Molecules (Basel, Switzerland)

    2023  Volume 28, Issue 5

    Abstract: Mixed ligand complexes of Pd(II) and Cd(II) ... ...

    Abstract Mixed ligand complexes of Pd(II) and Cd(II) with
    MeSH term(s) Cadmium ; Ligands ; Magnetic Resonance Spectroscopy ; Coordination Complexes/chemistry
    Chemical Substances tesmilifene (I43T3ID6G2) ; phosphine (FW6947296I) ; Cadmium (00BH33GNGH) ; Ligands ; Coordination Complexes
    Language English
    Publishing date 2023-03-02
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 1413402-0
    ISSN 1420-3049 ; 1431-5165 ; 1420-3049
    ISSN (online) 1420-3049
    ISSN 1431-5165 ; 1420-3049
    DOI 10.3390/molecules28052305
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Synthesis, structure and reactivity with phosphines of Hg(II)

    Al-Jibori, Subhi A / Irzoqi, Ahmed A / Al-Janabi, Ahmed S M / Al-Nassiry, Amenah I A / Basak-Modi, Sucharita / Ghosh, Shishir / Wagner, Christoph / Hogarth, Graeme

    Dalton transactions (Cambridge, England : 2003)

    2022  Volume 51, Issue 20, Page(s) 7889–7898

    Abstract: Addition of 2-aminobenzothiazole (abt) and substituted derivatives to Hg(OAc) ...

    Abstract Addition of 2-aminobenzothiazole (abt) and substituted derivatives to Hg(OAc)
    Language English
    Publishing date 2022-05-24
    Publishing country England
    Document type Journal Article
    ZDB-ID 1472887-4
    ISSN 1477-9234 ; 1364-5447 ; 0300-9246 ; 1477-9226
    ISSN (online) 1477-9234 ; 1364-5447
    ISSN 0300-9246 ; 1477-9226
    DOI 10.1039/d2dt00391k
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Spectroscopic, Anti-Cancer Activity, and DFT Computational Studies of Pt(II) Complexes with 1-Benzyl-3-phenylthiourea and Phosphine/Diamine Ligands

    Dina Saadi Mohamed / Subhi A. Al-Jibori / Reza Behjatmanesh-Ardakani / Ahmed S. Faihan / Tarek A. Yousef / Abdulrahman G. Alhamzani / Mortaga M. Abou-Krisha / Ahmed S. M. Al-Janabi / Benjamin S. Hsiao

    Inorganics, Vol 11, Iss 125, p

    2023  Volume 125

    Abstract: ... ligand bonded through both S and N atoms in a chelating mode or as a mono-anion ligand coordinated ...

    Abstract The reaction between [PtCl 2 (L-L)] (L-L = dppe, dppp, dppb, dppf, Phen and Bipy) or [PtCl 2 (PPh 3 ) 2 ] with 1-benzyl-3-phenylthiourea (H 2 BPT) in a basic medium (CHCl 3 /EtOH) created new coordinated square planner Pt(II) complexes with [Pt(BPT)(L-L)] ( 1 – 4 , 6 , 7 ) and [Pt(BPT)(PPh 3 ) 2 ] ( 5 ) types. These complexes were fully characterized by analytical and spectroscopic techniques (i.e., IR, UV. Vis., 1 H, and 31 P NMR). The results indicated that the thiourea derivative ligand act as a dianion ligand bonded through both S and N atoms in a chelating mode or as a mono-anion ligand coordinated through a sulfur atom with Pt(II) ion. Cytotoxicity activity was performed by the MTT assay to determine anti-cancer activities against MCF-7 breast cancer cells. The study indicated that IC 50 values for MCF-7 cells were 10.96–78.90 µM. Additionally, the complexes [Pt(BPT)(dppe)] ( 1 ), [Pt(BPT)(PPh 3 ) 2 ] ( 5 ), and [Pt(BPT) 2 (Bipy)] ( 7 ) were investigated theoretically, where their quantum parameters were evaluated using the Gaussian 09 program using the theory of B3LYP/Def2TZVP//B3LYP/Lanl2dz. The calculation results confirmed the optimized structures of the complexes square planar geometry. However, the calculated bond lengths and angles showed a slightly distorted square planar geometry due to the trans influence of the sulfur atom. Additionally, complexes of [Pt(BPT)(dppe)] ( 1 ) and [Pt(BPT)(PPh 3 ) 2 ] ( 5 ) showed higher stability compared to [Pt(BPT) 2 (Bipy)] ( 7 ), which can be attributed to the higher back-donation of ( 1 ) and ( 5 ) complexes. Furthermore, among the three complexes, the [Pt(BPT) 2 (Bipy)] ( 7 ) complex possessed the lowest HOMO–LUMO gap, which may be a good candidate as the photo-catalyst material.
    Keywords thiourea ; phosphine ; computational ; DFT ; platinum ; Inorganic chemistry ; QD146-197
    Subject code 290
    Language English
    Publishing date 2023-03-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  6. Article ; Online: Cd(II) and Pd(II) Mixed Ligand Complexes of Dithiocarbamate and Tertiary Phosphine Ligands—Spectroscopic, Anti-Microbial, and Computational Studies

    Tohama B. Abdullah / Reza Behjatmanesh-Ardakani / Ahmed S. Faihan / Hayfa M. Jirjes / Mortaga M. Abou-Krisha / Tarek A. Yousef / Sayed H. Kenawy / Ahmed S. M. Al-Janabi

    Molecules, Vol 28, Iss 2305, p

    2023  Volume 2305

    Abstract: Mixed ligand complexes of Pd(II) and Cd(II) with N -picolyl-amine dithiocarbamate (PAC-dtc) as primary ligand and tertiary phosphine ligand as secondary ligands have been synthesized and characterized via elemental analysis, molar conductance, NMR ( 1 H ... ...

    Abstract Mixed ligand complexes of Pd(II) and Cd(II) with N -picolyl-amine dithiocarbamate (PAC-dtc) as primary ligand and tertiary phosphine ligand as secondary ligands have been synthesized and characterized via elemental analysis, molar conductance, NMR ( 1 H and 31 P), and IR techniques. The PAC-dtc ligand displayed in a monodentate fashion via sulfur atom whereas diphosphine ligands coordinated as a bidentate mode to afford a square planner around the Pd(II) ion or tetrahedral around the Cd(II) ion. Except for complexes [Cd(PAC-dtc) 2 (dppe)] and [Cd(PAC-dtc) 2 (PPh 3 ) 2 ], the prepared complexes showed significant antimicrobial activity when evaluated against Staphylococcus aureus, Pseudomonas aeruginosa, Candida albicans and Aspergillus niger. Moreover, DFT calculations were performed to investigate three complexes {[Pd(PAC-dtc) 2 (dppe)](1), [Cd(PAC-dtc) 2 (dppe)](2), [Cd(PAC-dtc) 2 (PPh 3 ) 2 ](7)}, and their quantum parameters were evaluated using the Gaussian 09 program at the B3LYP/Lanl2dz theoretical level. The optimized structures of the three complexes were square planar and tetrahedral geometry. The calculated bond lengths and bond angles showed a slightly distorted tetrahedral geometry for [Cd(PAC-dtc) 2 (dppe)](2) compared to [Cd(PAC-dtc) 2 (PPh 3 ) 2 ](7) due to the ring constrain in the dppe ligand. Moreover, the [Pd(PAC-dtc) 2 (dppe)](1) complex showed higher stability compared to Cd(2) and Cd(7) complexes which can be attributed to the higher back-donation of Pd(1) complex.
    Keywords picolylamine ; dithiocarbamate ; single-pot reaction ; DFT ; complexes ; Organic chemistry ; QD241-441
    Subject code 290
    Language English
    Publishing date 2023-03-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  7. Article ; Online: Synthesis, anti-bacterial evaluation, DFT study and molecular docking as a potential 3-chymotrypsin-like protease (3CLpro) of SARS-CoV-2 inhibitors of a novel Schiff bases

    Al-Janabi, Ahmed S.M. / Elzupir, Amin O. / Yousef, Tarek A.

    Journal of Molecular Structure

    2020  , Page(s) 129454

    Keywords Inorganic Chemistry ; Organic Chemistry ; Analytical Chemistry ; Spectroscopy ; covid19
    Language English
    Publisher Elsevier BV
    Publishing country us
    Document type Article ; Online
    ZDB-ID 194476-9
    ISSN 0022-2860 ; 0377-046X
    ISSN 0022-2860 ; 0377-046X
    DOI 10.1016/j.molstruc.2020.129454
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  8. Article ; Online: Development and Evaluation of Biocompatible Topical Petrolatum-liquid Crystal Formulations with Enhanced Skin Permeation Properties.

    Al-Zuhairy, Saeed A S / Kadhum, Wesam R / Alhijjaj, Muqdad / Kadhim, Mustafa M / Al-Janabi, Ahmed S / Salman, Abbas Washeel / Al-Sharifi, Haitham K R / Khadom, Anees A

    Journal of oleo science

    2022  Volume 71, Issue 3, Page(s) 459–468

    Abstract: Transdermal administration represents a major advancement over traditional pharmaceutical dosing methods. However, a frequent issue is inadequate penetration of the active medicinal component through the skin. As a result, in the current research, we ... ...

    Abstract Transdermal administration represents a major advancement over traditional pharmaceutical dosing methods. However, a frequent issue is inadequate penetration of the active medicinal component through the skin. As a result, in the current research, we assessed the utility of newly developed petrolatum-liquid crystal (LC) ointment formulations and characterized their biocompatibility and function in the transdermal drug delivery system. To begin, we made petrolatum-LC formulations using p-aminobenzoic acid (PABA) as a hydrophilic model molecule. The viscosity, small-angle X-ray scattering (SAXS), particle diameters, and z-potential were measured to assess the physicochemical properties of the formulations. A dialysis release technique was used to evaluate medication release from petrolatum-LC formulations. In vitro testing was performed to determine the potential to enhance skin penetration. The biocompatibility of the produced formulations was further tested using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) assay and single-cell gel electrophoresis. According to the results, the novel petrolatum-LC formulations are biocompatible and effective in forming hexosomes. PABA skin penetration was significantly enhanced by the new petrolatum-LC formulations. According to this study, petroleum-LC formulations are more efficient than commercial petrolatum in terms of skin permeability improvement and PABA skin concentration.
    MeSH term(s) Administration, Cutaneous ; Liquid Crystals ; Petrolatum/chemistry ; Petrolatum/metabolism ; Scattering, Small Angle ; Skin/metabolism ; Skin Absorption ; X-Ray Diffraction
    Chemical Substances Petrolatum (8009-03-8)
    Language English
    Publishing date 2022-02-15
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 2218264-0
    ISSN 1347-3352 ; 1345-8957
    ISSN (online) 1347-3352
    ISSN 1345-8957
    DOI 10.5650/jos.ess21344
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article: Synthesis, anti-bacterial evaluation, DFT study and molecular docking as a potential 3-chymotrypsin-like protease (3CLpro) of SARS-CoV-2 inhibitors of a novel Schiff bases

    Al-Janabi, Ahmed S M / Elzupir, Amin O / Yousef, Tarek A

    J Mol Struct

    Abstract: ... the highest activity against S. aureus, and M. luteus than the other compounds and streptomycin. In additional ... with the active sites of the enzymes. Finally, DFT 's estimated electrostatic molecular potential results were used ...

    Abstract New Schiff bases {N'-(phenyl(pyridin-2-yl)methylene) isonicotinohydrazide (L1H), N1 -(naphthalen-1-yl)-N2 -(phenyl(pyridin-2-yl) methylidene) ethane-1,2-diamine (L2H), N-(6-chlorobenzo[d]thiazol-2-yl)-1-phenyl-1-(pyridin-2-yl) methanimine (L3H)}were synthesized by reaction of 2-benzoylpyridine with different amines (2-amino-6-chlorobenzothiazole, isonicotinohydrazide and N 1-(naphthalen-1-yl)ethane-1,2-diamine) and characterized by 1H-NMR, 13C-NMR, IR mass spectroscopy and elemental analysis. The compounds were assayed by the disc diffusion method for anti-bacterial against five pathogenic bacteria species (Staphylococcus aureus, Micrococcus luteus, Staphylococcus pyogenes, Bacillus subtilis, and E. coli). All prepared Schiff bases showed good activity compared to positive control (streptomycin), Moreover the L3H showed the highest activity against S. aureus, and M. luteus than the other compounds and streptomycin. In additional molecular docking studies with 3-chymotrypsin-like protease (3CLpro), the essential enzyme for SARS-CoV-2 proliferation. The rest of compounds have shown promising results as 3CLpro inhibitors interacting with the active sites of the enzymes. Finally, DFT 's estimated electrostatic molecular potential results were used to illustrate the molecular docking findings. The DFT calculations showed that L3H has the highest dipole moment and electrophilicity index. Interestingly, L2H of the largest energy gap ∆E = 2.49 eV, there are several hydrophilic interactions that could facilitate the binding with the receptors. All of these parameters could be shared to significantly affect the protein sites of binding affinity with different extent.
    Keywords covid19
    Publisher WHO
    Document type Article
    Note WHO #Covidence: #867002
    Database COVID19

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  10. Article ; Online: Spectroscopic, anti-bacterial, anti-cancer and molecular docking of Pd(II) and Pt(II) complexes with (E)-4-((dimethylamino)methyl)-2-((4,5-dimethylthiazol-2-yl)diazenyl)phenol ligand

    Ahmed S.M. Al-Janabi / Khulood H. Oudah / Samar A. Aldossari / Mohamed A. Khalaf / Abdulrahman M. Saleh / Mohammad R. Hatshan / Nourah B. Altheeb / Syed Farooq Adil

    Journal of Saudi Chemical Society, Vol 27, Iss 3, Pp 101619- (2023)

    2023  

    Abstract: ... Moreover, the [MCl2(HDmazo)] and [M(HDmazo)2] [MII = Pd and Pt] were prepared using the direct reaction ...

    Abstract New ligand (E)-4-((dimethylamino)methyl)-2-((4,5-dimethylthiazol-2-yl)diazenyl)phenol (HDmazo) was prepared by the coupling reaction between 4,5-dimethylthiazol-2-amine and 4-((dimethylamino)methyl)phenol. Moreover, the [MCl2(HDmazo)] and [M(HDmazo)2] [MII = Pd and Pt] were prepared using the direct reaction of equivalent molar of HDmazo and Na2PdCl4 or K2PtCl4. The HDmazo and its complexes were investigated by different spectroscopic techniques. In complexes (1–2) HDmazo ligand behaves as bidentate style through the nitrogen of azo group and nitrogen of thiazole ring towards Pd(II) and Pt(II). Or in a bidentate fashion via the oxygen atom of the hydroxylate group and nitrogen atom of azo group as mono-anion in complexes (3–4). Further, the study of biological activity against four pathogenic bacteria showed that compound (3) exhibited good activity compared to other compounds. Additional the anti-tumor action against A2870 cell lines was screened, and the complexes (1) and (2) displayed good activity with 7.45 ± 0.98 µM and 13.23 ± 1.43 µM, respectively. The binding mechanism of the prepared compounds with EGFR tyrosine kinase, was investigated using molecular docking experiments.
    Keywords Azo dye ; Thiazole ; Biological activity ; Molecular docking ; Palladium ; Platinum ; Chemistry ; QD1-999
    Subject code 540
    Language English
    Publishing date 2023-05-01T00:00:00Z
    Publisher Elsevier
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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