Search Results - "Figueiredo, Isis M."
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Highly functionalized piperidines: Free radical scavenging, anticancer activity, DNA interaction and correlation with biological activity
Published in Journal of advanced research (01-01-2018)“…[Display omitted] Twenty-five piperidines were studied as potential radical scavengers and antitumor agents. Quantitative interaction of compounds with ctDNA…”
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Thimerosal changes protein conformation and increase the rate of fibrillation in physiological conditions: Spectroscopic studies using bovine serum albumin (BSA)
Published in International journal of biological macromolecules (01-07-2018)“…The interaction between bovine serum albumin (BSA) and thimerosal (TM), an organomercury compound widely employed as a preservative in vaccines, was…”
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Interactions of tetracyclines with ovalbumin, the main allergen protein from egg white: Spectroscopic and electrophoretic studies
Published in International journal of biological macromolecules (01-09-2017)“…[Display omitted] •For the first time, the interaction between tetracyclines and ovalbumin is reported.•The magnitude of the interaction process followed the…”
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Studies on free radical scavenging, cancer cell antiproliferation, and calf thymus DNA interaction of Schiff bases
Published in Journal of photochemistry and photobiology. B, Biology (01-07-2017)“…Thirty-nine Schiff bases were synthesized by performing microwave-assisted condensation of the corresponding aldehydes and aromatic amines. Their reactive…”
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Interaction between bioactive compound 11a-N-tosyl-5-deoxi-pterocarpan (LQB-223) and Calf thymus DNA: Spectroscopic approach, electrophoresis and theoretical studies
Published in International journal of biological macromolecules (01-03-2017)“…The interaction of small molecules with DNA has been quite important, since this biomolecule is currently the major target for a wide range of drugs in…”
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Consequences of thimerosal on human erythrocyte hemoglobin: Assessing functional and structural protein changes induced by an organic mercury compound
Published in Journal of trace elements in medicine and biology (01-05-2022)“…[Display omitted] •Thimerosal damages the structure of hemoglobin inducing the loss of its main function as O2 transporter.•Raman indicates that thimerosal…”
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Interactions of tetracyclines with milk allergenic protein (casein): a molecular and biological approach
Published in Journal of biomolecular structure & dynamics (11-12-2020)“…Tetracycline (TC), oxytetracycline (OTC), and chlortetracycline (CTC) interactions with the allergenic milk protein casein (CAS) were here evaluated simulating…”
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Evaluation of guanylhydrazone derivatives as inhibitors of Candida rugosa digestive lipase: Biological, biophysical, theoretical studies and biotechnological application
Published in Bioorganic chemistry (01-06-2019)“…[Display omitted] •Five guanylhydrazone derivatives were evaluated as lipase inhibitors in vitro.•The derivative LQM11 was the most active with IC50 of…”
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1H NMR, a Rapid Method to Monitor Organic Acids during Cupuassu (Theobroma grandiflorum Spreng) Processing
Published in Journal of agricultural and food chemistry (14-06-2006)“…The development of an analytical method using 1H nuclear magnetic resonance (1H NMR) spectrometry to monitor cupuassu (Theobroma grandiflorum Spreng) bean…”
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Aminoguanidine Hydrazone Derivatives: The Antioxidant, Antineoplastic Profile, and Interaction with ctDNA Studies
Published in Journal of the Brazilian Chemical Society (2024)“…Herein, we report the synthesis and evaluation of four aminoguanidine hydrazone derivatives with different aromatic moieties. This class of compounds presents…”
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2-(Pyridin-4yl)benzothiazole and Its Benzimidazole-Analogue: Biophysical and in silico Studies on Their Interaction with Urease and in vitro Anti-Helicobacter pylori Activities
Published in Journal of the Brazilian Chemical Society (01-09-2022)“…In this study, the interaction between benzothiazole (BTA, concentration of a drug required for 50% inhibition in vitro (IC50) = 0.77 mM) and benzimidazole…”
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Correlation between DNA/HSA-interactions and antimalarial activity of acridine derivatives: Proposing a possible mechanism of action
Published in Journal of photochemistry and photobiology. B, Biology (01-12-2018)“…Acridines are considered an important class of compounds due to their wide variety of biological activities. In this work, we synthesized four acridine…”
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Interaction of β-Carbolines with DNA: Spectroscopic Studies, Correlation with Biological Activity and Molecular Docking
Published in Journal of the Brazilian Chemical Society (01-09-2016)“…Quantitative interaction of twelve β-carboline derivatives with calf thymus deoxyribonucleic acid (ctDNA) using spectroscopic techniques was evaluated. The…”
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Annonalide and derivatives: Semisynthesis, cytotoxic activities and studies on interaction of annonalide with DNA
Published in Journal of photochemistry and photobiology. B, Biology (01-02-2018)“…The cytotoxic activity of the pimarane diterpene annonalide (1) and nine of its semisynthetic derivatives (2–10) was investigated against the human tumor cell…”
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Oncocalyxone A: electrochemical, spectroscopic investigation and studies of its interaction with DNA, nucleobases and N-acetylcysteine
Published in Journal of the Brazilian Chemical Society (01-06-2012)“…The formation of paramagnetic species from oncocalyxone A in aprotic medium was confirmed by performing in situ electrochemical-electron spin resonance (E-ESR)…”
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1 H NMR, a Rapid Method to Monitor Organic Acids during Cupuassu ( Theobroma grandiflorum Spreng) Processing
Published in Journal of agricultural and food chemistry (01-06-2006)Get full text
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17
Synthesis and antiproliferative activity of novel limonene derivatives with a substituted thiourea moiety
Published in Journal of the Brazilian Chemical Society (01-10-2006)“…A series of R-(+)-limonene derivatives bearing a substituted thiourea moiety (3-13) and five S-methyl analogs (14-18) were synthesized and evaluated for their…”
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