Results 101 to 110 of about 430,181 (292)

Boronic Acid Inhibitors of β‐Lactamases: A Promising Strategy Against Antimicrobial Resistance

open access: yesMedicinal Research Reviews, EarlyView.
ABSTRACT The rise of antimicrobial resistance (AMR) poses a critical threat to global health, mostly due to the proliferation of β‐lactamases, a class of enzymes responsible for the inactivation of β‐lactam antibiotics. Among the most promising strategies to restore β‐lactam efficacy is the use of β‐lactamase inhibitors (BLIs), with boronic acid ...
Nicolò Santi   +4 more
wiley   +1 more source

TAXONOMIC NOTES IN Danaea SM. (MARATTIACEAE) FROM COSTA RICA, PANAMA, AND COLOMBIA

open access: yesActualidades Biológicas, 2013
Three new species of Danaea are described here: D. epilithica A. Rojas, D. macrophylla A. Rojas and D. moralesiana A. Rojas. The first species differs from Danaea nodosa (L.) Sm.
Alexander F. Rojas-Alvarado
doaj  

Areniscas rojas [PDF]

open access: yes, 1929
En el viaje que realizamos en 1913 con el doctor Guido Bonarelli, nos llamó de inmediato la atención la posición uniforme que guardan los viejos sedimentos que afloran en la barranca izquierda del río Paraná, a lo largo de más de 700 kilómetros desde Corrientes a Diamante, y en donde su continuación en el espacio se baila cortada a grandes trechos, en ...
openaire   +1 more source

Alike but still different: coexistence of four raptor species explained by breeding habitat segregation

open access: yesOikos, EarlyView.
Understanding how species competing for similar resources coexist and influence each other has been, and still is, one of the big questions of community ecology. This question has often been tackled by comparing ecological niches of species pairs, although usually more than just two species compete for the same resources.
Kai‐Philipp Gladow   +4 more
wiley   +1 more source

Intraguild interactions shape vocal output and diel activity patterns in sympatric forest owls

open access: yesOikos, EarlyView.
Competition and intraguild predation among sympatric predators may force smaller, subordinate predators to reduce interactions with larger, dominant species via restricted spatial or temporal activity (acquiescence hypothesis). Simultaneously, dominant predators may actively exclude subordinate competitors through frequent vocal and physical aggression
S. Sangeeth Sailas   +3 more
wiley   +1 more source

Compatibilization of Thermoplastic Starch and Poly (Butylene Succinate‐Co‐Adipate) Blends Using a Dual‐Coupling Strategy

open access: yesPolymer Engineering &Science, EarlyView.
Development of TPSA‐PBSA bio‐based polymer blends using a dual‐coupling strategy based on tartaric acid (TA) and dicumyl peroxide (DCP), followed by structural, thermal, rheological, and mechanical characterization toward sustainable flexible packaging applications. ABSTRACT This study analyzed the effect of employing coupling agents in the development
Manuela Vargas‐Rojas   +2 more
wiley   +1 more source

Electrospun PVA Scaffolds Containing MCM‐41/CNC Nanocomposites for Controlled Drug Release in Wound Dressings

open access: yesPolymer Engineering &Science, EarlyView.
Cellulose nanocrystals extracted from Mauritia flexuosa petiole were combined with MCM‐41 mesoporous silica to create a diclofenac‐loaded hybrid nanocomposite. Incorporation into electrospun PVA scaffolds enabled controlled diclofenac release and high cell viability, highlighting their potential for localized drug delivery.
Karoliny V. Barbosa   +11 more
wiley   +1 more source

Food plant diversity in a rapidly changing world

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Diversity in food plants is essential to human and planetary health. On farms, in diets, and in many other areas of food systems, this diversity has undergone enormous change globally, including significant decline. We describe major trends in how food plant diversity has been changing, note the responses from conservation communities, highlight gaps ...
Colin K. Khoury   +8 more
wiley   +1 more source

Endophytic fungi from two isolated Bethencourtia palmensis populations: metabolomic and bioactivity fingerprinting

open access: yesPest Management Science, EarlyView.
We compared two island populations of Bethencourtia palmensis and their culturable endophytic fungi, revealing distinct plant chemistries and a higher biopesticidal potential in the endophytic fungi from La Palma population along with high potential for the discovery of novel compounds.
Jorge Rojas López‐Menchero   +4 more
wiley   +1 more source

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