A. Veiga

Publications59
h-index18
Citations1,267
Highly Influential Citations34
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From antimicrobial to anticancer peptides. A review
Antimicrobial peptides (AMPs) are part of the innate immune defense mechanism of many organisms. Although AMPs have been essentially studied and developed as potential alternatives for fighting… Expand
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Arginine-rich self-assembling peptides as potent antibacterial gels.
Hydrogel materials that display inherent activity against bacteria can be used to directly treat accessible wounds to prevent or kill existing infection. Hydrogels composed of self-assembling… Expand
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Monitoring antibacterial permeabilization in real time using time-resolved flow cytometry.
Despite the intensive study of antibiotic-induced bacterial permeabilization, its kinetics and molecular mechanism remain largely elusive. A new methodology that extends the concept of the live-dead… Expand
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Antimicrobial hydrogels for the treatment of infection.
The increasing prevalence of microbial infections, especially those associated with impaired wound healing and biomedical implant failure has spurred the development of new materials having… Expand
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Anti-HIV-1 antibodies 2F5 and 4E10 interact differently with lipids to bind their epitopes
Objectives:2F5 and 4E10 are two broadly neutralizing monoclonal antibodies (mAbs) targeting the membrane proximal external region (MPER) of HIV-1 gp41 envelope protein. This region, which contacts… Expand
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HIV fusion inhibitor peptide T-1249 is able to insert or adsorb to lipidic bilayers. Putative correlation with improved efficiency.
T-1249 is a HIV fusion inhibitor peptide under clinical trials. Its interaction with biological membrane models (large unilamellar vesicles) was studied using fluorescence spectroscopy. A gp41… Expand
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Using zeta-potential measurements to quantify peptide partition to lipid membranes
Many cellular phenomena occur on the biomembranes. There are plenty of molecules (natural or xenobiotics) that interact directly or partially with the cell membrane. Biomolecules, such as several… Expand
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Unravelling the molecular basis of the selectivity of the HIV-1 fusion inhibitor sifuvirtide towards phosphatidylcholine-rich rigid membranes.
Sifuvirtide, a 36 amino acid negatively charged peptide, is a novel HIV-1 fusion inhibitor with improved antiretroviral activity. In this work we evaluated the physical chemistry foundation of the… Expand
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Mechanisms of bacterial membrane permeabilization by crotalicidin (Ctn) and its fragment Ctn(15–34), antimicrobial peptides from rattlesnake venom
Crotalicidin (Ctn), a cathelicidin-related peptide from the venom of a South American rattlesnake, possesses potent antimicrobial, antitumor, and antifungal properties. Previously, we have shown that… Expand
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Anticancer peptide SVS-1: efficacy precedes membrane neutralization.
Anticancer peptides are polycationic amphiphiles capable of preferentially killing a wide spectrum of cancer cells relative to noncancerous cells. Their primary mode of action is an interaction with… Expand
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