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Cellulose-based click-scaffolds: Synthesis, characterization and biofabrications.
Nada AA, Abdellatif FHH, Ali EA, Abdelazeem RA, Soliman AAS, Abou-Zeid NY. Nada AA, et al. Carbohydr Polym. 2018 Nov 1;199:610-618. doi: 10.1016/j.carbpol.2018.07.049. Epub 2018 Jul 17. Carbohydr Polym. 2018. PMID: 30143169
In this work, azide and alkyne pendant functional groups were introduced onto ethyl cellulose (EC) and beta-cyclodextrin respectively in order to demonstrate the ability of scaffold formation by click chemistry. Technically, Azido-ethyl cellulose (D.S.(Azido) 0.19) …
In this work, azide and alkyne pendant functional groups were introduced onto ethyl cellulose (EC) and beta-cyclodextrin respectively in ord …
Reactivity of azido terpyridine Pd(ii) and Pt(ii) complexes towards 4,4,4-trifluoro-2-butynoic acid: structural insight into the triazolato coordination mode.
Mansour AM, Radacki K, Mostafa GAE, Ali EA, Shehab OR. Mansour AM, et al. RSC Adv. 2023 Nov 29;13(49):34826-34835. doi: 10.1039/d3ra06656h. eCollection 2023 Nov 22. RSC Adv. 2023. PMID: 38035227 Free PMC article.
The mono- and binuclear azido terpyridine square-planar complexes of ionic formulas, [Pd(2)(N(3))(2)L](2+) and [Pt(N(3))L](+) (L = 1,4-bis(2,2':6',2''-terpyridin-4'yl)benzene), underwent the catalyst-free [3 + 2] cycloaddition coupling with 4,4,4-trifluoro-2-butynoic acid …
The mono- and binuclear azido terpyridine square-planar complexes of ionic formulas, [Pd(2)(N(3))(2)L](2+) and [Pt(N(3))L](+) (L = 1, …
Synthesis of quinoxaline azido and amino reverse ribofuranoside and their O-regioisomers.
Ali IA. Ali IA. Nucleosides Nucleotides Nucleic Acids. 2014;33(3):129-40. doi: 10.1080/15257770.2014.880474. Nucleosides Nucleotides Nucleic Acids. 2014. PMID: 24689845
A series of quinoxaline azido reverse nucleosides 3a-c and their O-regioisomers 4a-c was prepared by reaction of quinoxaline 1a-c with 3-azido-3-deoxy-1,2-O-isopropylidene-5-p-toluenesulfonyl-D-ribofuranose (2) in the presence of sodium hydride. ...
A series of quinoxaline azido reverse nucleosides 3a-c and their O-regioisomers 4a-c was prepared by reaction of quinoxaline 1a-c wit …
Drug-dependent inhibition of nucleotide hydrolysis in the heterodimeric ABC multidrug transporter PatAB from Streptococcus pneumoniae.
Guffick C, Hsieh PY, Ali A, Shi W, Howard J, Chinthapalli DK, Kong AC, Salaa I, Crouch LI, Ansbro MR, Isaacson SC, Singh H, Barrera NP, Nair AV, Robinson CV, Deery MJ, van Veen HW. Guffick C, et al. FEBS J. 2022 Jul;289(13):3770-3788. doi: 10.1111/febs.16366. Epub 2022 Feb 11. FEBS J. 2022. PMID: 35066976 Free PMC article.
Here, we used mass spectrometry techniques to determine the subunit stoichiometry in PatAB in our lactococcal expression system and investigate locations of drug binding using the fluorescent drug-mimetic azido-ethidium. Surprisingly, our analyses of azido-ethidium- …
Here, we used mass spectrometry techniques to determine the subunit stoichiometry in PatAB in our lactococcal expression system and investig …
Hydrogel bioink based on clickable cellulose derivatives: Synthesis, characterization and in vitro assessment.
Mohamed AL, Soliman AAF, Ali EA, Abou-Zeid NY, Nada AA. Mohamed AL, et al. Int J Biol Macromol. 2020 Nov 15;163:888-897. doi: 10.1016/j.ijbiomac.2020.07.068. Epub 2020 Jul 10. Int J Biol Macromol. 2020. PMID: 32659397
In this work, a novel bioink was developed based on azide and alkyne of cellulose derivatives. Azido-hydroxyethyl cellulose (D.S(azido) = 0.04) was synthesized via open-ring reaction of 1-azido-2,3-epoxypropane and characterized spectroscopically and titrimet …
In this work, a novel bioink was developed based on azide and alkyne of cellulose derivatives. Azido-hydroxyethyl cellulose (D.S(a …
Imidazopyridine-fused [1,3]diazepinones: modulations of positions 2 to 4 and their impacts on the anti-melanoma activity.
Baccon-Sollier PL, Malki Y, Maye M, Ali LMA, Lichon L, Cuq P, Vincent LA, Masurier N. Baccon-Sollier PL, et al. J Enzyme Inhib Med Chem. 2020 Dec;35(1):935-949. doi: 10.1080/14756366.2020.1748024. J Enzyme Inhib Med Chem. 2020. PMID: 32249633 Free PMC article.
Moreover, introduction of a heterocyclic group at position 2 or an azido-alkyl chain at position 4 led to compounds displaying a significantly different activity profile on the NCI-60 cell line panel, compared to phenyl-substituted compounds at position 2 of the diazepinon …
Moreover, introduction of a heterocyclic group at position 2 or an azido-alkyl chain at position 4 led to compounds displaying a sign …
ZnO Nanorods Based Enzymatic Biosensor for Selective Determination of Penicillin.
Ibupoto ZH, Ali SM, Khun K, Chey CO, Nur O, Willander M. Ibupoto ZH, et al. Biosensors (Basel). 2011 Oct 27;1(4):153-63. doi: 10.3390/bios1040153. Biosensors (Basel). 2011. PMID: 25585565 Free PMC article.
The ZnO nanorods were immobilized with penicillinase enzyme using the physical adsorption approach in combination with N-5-azido-2-nitrobenzoyloxysuccinimide (ANB-NOS) as cross linking molecules. ...
The ZnO nanorods were immobilized with penicillinase enzyme using the physical adsorption approach in combination with N-5-azido-2-ni …
Purification to homogeneity and the N-terminal sequence of human leukotriene C4 synthase: a homodimeric glutathione S-transferase composed of 18-kDa subunits.
Nicholson DW, Ali A, Vaillancourt JP, Calaycay JR, Mumford RA, Zamboni RJ, Ford-Hutchinson AW. Nicholson DW, et al. Proc Natl Acad Sci U S A. 1993 Mar 1;90(5):2015-9. doi: 10.1073/pnas.90.5.2015. Proc Natl Acad Sci U S A. 1993. PMID: 8446623 Free PMC article.
The molecular mass of the pure polypeptide was consistent with an 18-kDa polypeptide from THP-1 cell membranes that was specifically photolabeled by an LTC4 photoaffinity probe, 125I-labeled azido-LTC4. On calibrated gel-filtration columns, purified LTC4 synthase activity …
The molecular mass of the pure polypeptide was consistent with an 18-kDa polypeptide from THP-1 cell membranes that was specifically photola …
The human immunodeficiency virus type 1 Tat protein potentiates zidovudine-induced cellular toxicity in transgenic mice.
Prakash O, Teng S, Ali M, Zhu X, Coleman R, Dabdoub RA, Chambers R, Aw TY, Flores SC, Joshi BH. Prakash O, et al. Arch Biochem Biophys. 1997 Jul 15;343(2):173-80. doi: 10.1006/abbi.1997.0168. Arch Biochem Biophys. 1997. PMID: 9224727
3'-Azido-2',3'-dideoxythymidine (AZT, zidovudine) is the principal antiretroviral agent in the treatment of AIDS. ...
3'-Azido-2',3'-dideoxythymidine (AZT, zidovudine) is the principal antiretroviral agent in the treatment of AIDS. ...
Human leukotriene C4 synthase expression in dimethyl sulfoxide-differentiated U937 cells.
Nicholson DW, Ali A, Klemba MW, Munday NA, Zamboni RJ, Ford-Hutchinson AW. Nicholson DW, et al. J Biol Chem. 1992 Sep 5;267(25):17849-57. J Biol Chem. 1992. PMID: 1517222 Free article.
An 18-kDa polypeptide was specifically labeled in membranes from dimethyl sulfoxide-differentiated U937 cells using azido 125I-LTC4, a photoaffinity probe based on the product of the LTC4 synthase-catalyzed reaction. ...
An 18-kDa polypeptide was specifically labeled in membranes from dimethyl sulfoxide-differentiated U937 cells using azido 125I-LTC4, …
14 results