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Pàgina 1 des de 20 resultats
Poly-carboxylic acids functionalized chitosan nanocarriers for controlled and targeted anti-cancer drug delivery.
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The present study evaluates the in-vitro cisplatin (CDDP) release from four different poly oxalates cross-linked chitosan (CS) nanocomposites. The poly oxalates were synthesized from the reaction of four different dicarboxylic acids with ethylene glycol (EG). The encapsulation of CDDP on CS
Novel flourescent spiroborate esters: potential therapeutic agents in in vitro cancer models.
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The current treatment system in cancer therapy, which includes chemotherapy/radiotherapy is expensive and often deleterious to surrounding healthy tissue. Presently, several medicinal plants and their constituents are in use to manage the development and progression of these diseases.They have been
Bioactivity and phytochemical characterization of Arenaria montana L.
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The bioactivity (antioxidant and cytotoxic activities) of the aqueous and methanolic extracts of Arenaria montana L., a plant commonly used in Portuguese folk medicine, was evaluated and compared. Furthermore, the phytochemical composition was determined based on hydrophilic (sugars, organic acids
Dual-Emitting Eu(III)-Cu(II) Heterometallic-Organic Framework: Simultaneous, Selective, and Sensitive Detection of Hydrogen Sulfide and Ascorbic Acid in a Wide Range.
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As important biomolecules, the deficiency or maladjustment of hydrogen sulfide (H2S) or ascorbic acid (AA) is associated with the symptoms of the same disease (e.g., cardiovascular disease or cancer). There is an urgent need to develop a fluorescent probe capable of distinguishing between H2S and AA
Wild and Cultivated Centaurea raphanina subsp. mixta: A Valuable Source of Bioactive Compounds.
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Centaurea raphanina subsp. mixta (DC.) Runemark is a wild edible species endemic to Greece. This study evaluated the chemical composition and bioactive properties of wild and cultivated C. raphanina subsp. mixta plants. Wild plants had higher nutritional value than
Assessment of in vitro cytotoxic and genotoxic activities of some trimethoprim conjugates.
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Trimethoprim, a commonly used antibacterial agent, is widely applied in the treatment of variety of infections in human. A few studies have demonstrated an extensive exposure of man to antibiotics, but there is still a lack of data for cytotoxic effects including nephrotoxicity, gastrointestinal
Study on chemical, bioactive and food preserving properties of Laetiporus sulphureus (Bull.: Fr.) Murr.
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Laetiporus sulphureus (Bull.: Fr.) Murr. was studied to determine the nutritional value, bioactive compounds, in vitro antioxidants, and antimicrobial and antitumor activities. The studied mushroom is a rich source of carbohydrates and proteins. Mannitol and trehalose were the main free sugars. In
High-Throughput Screening to Identify Plant Derived Human LDH-A Inhibitors.
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OBJECTIVE
Lactate dehydrogenase (LDH)-A is highly expressed in diverse human malignant tumors, parallel to aggressive metastatic disease, resistance to radiation/chemotherapy and clinically poor outcome. Although this enzyme constitutes a plausible target in treatment of advanced cancer, there are
DNA fastening and ripping actions of novel Knoevenagel condensed dicarboxylic acid complexes in antitumor journey.
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Few novel Cu(II) and Zn(II) oxali-platin type complexes of stoichiometry [ML(ox)] where, L is a Knoevenagel ligand and ox is oxalic acid, have been explored. They are well characterized by spectroanalytical methods. The binding and cleavage propensity of these complexes on DNA and their cytotoxic
A novel class of bis- and tris-chelate diam(m)inebis(dicarboxylato)platinum(IV) complexes as potential anticancer prodrugs.
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A novel class of platinum(IV) complexes of the type [Pt(Am)(R(COO)2)2], where Am is a chelating diamine or two monodentate am(m)ine ligands and R(COO)2 is a chelating dicarboxylato moiety, was synthesized. For this purpose, the reaction between the corresponding tetrahydroxidoplatinum(IV) precursors
Synthesis, in vitro cytotoxicity, and structure-activity relationships (SAR) of multidentate oxidovanadium(iv) complexes as anticancer agents.
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Multidentate oxidovanadium(iv) complexes with different geometric configurations [VO(ox)(bpy)(H2O)] 1, [VO(ox)(phen)(H2O)] 2, [VO(ida)(bpy)]·2H2O 3, (phen)[VO(ida)(phen)]·4H2O 4, and (Hphen)[VO(H2O)(nta)]·2H2O 5 [ox = oxalic acid, bpy = 2,2'-bipyridine, phen = 1,10-phenanthroline, ida =
Cytotoxicity and antitumoral activity of dichloromethane extract and its fractions from Pothomorphe umbellata.
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The cytotoxicity of the dichloromethane crude extract (DCE), obtained from the aerial parts of Pothomorphe umbellata (L.) Miq (Piperaceae), was evaluated against nine human cancer cell lines (MCF-7, NCI-ADR/RES, OVCAR-3, PC-3, HT-29, NCI-H460, 786-O, UACC-62, K-562). The DCE presented
Synthesis, characterization and in vitro cytotoxicity of the first palladium(II) oxalato complexes involving adenine-based ligands.
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The first [Pd(L(n))(2)(ox)] xH(2)O oxalato(ox) complexes involving 2-chloro-N6-(benzyl)-9-isopropyladenine (L(1); complex 1), 2-chloro-N6-(4-methoxybenzyl)-9-isopropyladenine (L(2); 2), 2-chloro-N6-(2,3-dimethoxybenzyl)-9-isopropyladenine (L(3); 3),
Chemical characterization and biological activity of Chaga (Inonotus obliquus), a medicinal "mushroom".
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BACKGROUND
In Russian traditional medicine, an extract from the mushroom Inonotus obliquus (Fr.) Pil´at is used as an anti-tumor medicine and diuretic. It has been reported that Inonotus obliquus has therapeutic effects, such as anti-inflammatory, immuno-modulatory and hepatoprotective effects. This
Bioactivities, chemical composition and nutritional value of Cynara cardunculus L. seeds.
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In the present study, the nutritional value, bioactive properties, and chemical composition of various cardoon (Cynara cardunculus L.) genotypes cultivated in central Greece were investigated. The results demonstrated that Cynara seeds are a good source of fat and protein, while they also contain
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