Heloisa Beraldo
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Explore the profile of Heloisa Beraldo including associated specialties, affiliations and a list of published articles.
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56
Citations
412
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Recent Articles
1.
de Carvalho A, Souza A, Bento L, de Oliveira Silva M, Souza-Fagundes E, Diniz R, et al.
J Biol Inorg Chem
. 2024 Jul;
29(5):519-529.
PMID: 39009790
Lapachol (2-hydroxy-3-(3-methylbut-2-en-1-yl)naphthalene-1,4-dione) is a 1,4-naphthoquinone-derived natural product that presents numerous bioactivities and was shown to have cytotoxic effects against several human tumor cells. Indium(III) complexes with a variety of ligands...
2.
Araujo de Oliveira A, Romero Colmenares V, Diniz R, Freitas J, da Cruz C, Lages E, et al.
ACS Omega
. 2022 Apr;
7(14):11678-11687.
PMID: 35449959
Condensation reactions of salicylaldehyde, 2-pyridinecarboxaldehyde, and pyridoxaldehyde with memantine () produced novel memantine-derived Schiff bases (-). Speciation predictions and calculations of Log P, Log D, and of the percentage (%)...
3.
Lira A, Parrilha G, Dias G, de Sousa Saraiva F, Correa Verissimo G, de Sousa R, et al.
Oxid Med Cell Longev
. 2022 Mar;
2022:4101095.
PMID: 35345833
Thiosemicarbazones are well known for their broad spectrum of action, including antitumoral and antiparasitic activities. Thiosemicarbazones work as chelating binders, reacting with metal ions. The objective of this work was...
4.
de Assis D, Almeida Oliveira A, Luiz Porto S, Nonato Rabelo R, Lages E, Correa Santos V, et al.
Bioorg Chem
. 2021 Jun;
113:105018.
PMID: 34098396
Chagas disease (ChD), caused by Trypanosoma cruzi, remains a challenge for the medical and scientific fields due to the inefficiency of the therapeutic approaches available for its treatment. Thiosemicarbazones and...
5.
Oliveira A, Freitas J, Diniz R, Pessoa C, Maranhao S, Ribeiro J, et al.
ACS Omega
. 2020 Feb;
5(6):2939-2946.
PMID: 32095716
Triethylphosphinegold(I) complexes [Au(HL1)P(CHCH)]PF (), [Au(HL2)P(CHCH)]PF (), and [Au(HL3)P(CHCH)]PF () were obtained with ()-2-(1-(2-methyl-5-nitro-1H-imidazol-1-yl)propan-2-ylidene)hydrazinecarbothioamide (), ()--methyl-2-(1-(2-methyl-5-nitro-1H-imidazol-1-yl)propan-2-ylidene)hydrazinecarbothioamide (), and ()-2-(1-(2-methyl-5-nitro-1H-imidazol-1-yl)propan-2-ylidene)--phenylhydrazinecarbothioamide (). All compounds were assayed for their cytotoxic activities against HCT-116 colorectal...
6.
Bomfim Filho L, Rocha C, Rodrigues B, Beraldo H, Teixeira L
Acta Crystallogr C Struct Chem
. 2019 Jul;
75(Pt 7):1011-1020.
PMID: 31271392
In the present work, the two-dimensional (2D) polymer poly[[μ-2-(4-nitrobenzenesulfonamido)benzoato-κO:O:O:N]silver(I)] (AgL), [Ag(CHNOS)], was obtained from 2-(4-nitrobenzenesulfonamido)benzoic acid (HL), CHNOS. FT-IR, H and C{H} NMR spectroscopic analyses were used to characterize both...
7.
Santos A, Ferreira I, Pinheiro C, Santos V, Lopes M, Teixeira L, et al.
ACS Omega
. 2019 Jun;
3(9):11758.
PMID: 31187075
[This corrects the article DOI: 10.1021/acsomega.8b00533.].
8.
Oliveira A, Ferreira I, Despaigne A, Silva J, Vieira A, Santos M, et al.
Acta Crystallogr C Struct Chem
. 2019 Mar;
75(Pt 3):320-328.
PMID: 30833527
Three imidazole hydrazone compounds, namely 2-(4-nitro-1H-imidazol-1-yl)-N'-[1-(pyridin-2-yl)ethylidene]acetohydrazide, CHNO, (1), 2-(2-nitro-1H-imidazol-1-yl)-N'-[1-(pyridin-2-yl)ethylidene]acetohydrazide, CHNO, (2), and 2-(2-nitro-1H-imidazol-1-yl)-N'-[(phenyl)(pyridin-2-yl)methylidene]acetohydrazide, CHNO, (3), were obtained and fully characterized, including their crystal structure determinations. While all the compounds proved...
9.
Santos A, Ferreira I, Pinheiro C, Santos V, Lopes M, Teixeira L, et al.
ACS Omega
. 2018 Sep;
3(6):7027-7035.
PMID: 30221236
Complexes [Ag(H2BzPh)NO] (), [Ag(H2BzCHPh)NO] (), [Ag(H2BzClPh)NO] (), and [Ag(H2BzNOPh)NO] () were synthesized with 2-benzoylpyridine benzoylhydrazone (H2BzPh) and its -methyl-benzoylhydrazone (H2BzCHPh), -chloro-benzoylhydrazone (H2BzClPh), and -nitro-benzoylhydrazone (H2BzNOPh) derivatives. Experimental data indicate that...
10.
Oliveira A, Oliveira A, Franco L, Ferencs M, Ferreira J, Bachi S, et al.
Biometals
. 2018 May;
31(4):571-584.
PMID: 29736775
In the present work a family of novel secnidazole-derived Schiff base compounds and their copper(II) complexes were synthesized. The antimicrobial activities of the compounds were evaluated against clinically important anaerobic...