Results 141 to 150 of about 124,089 (289)

Dual Biological Potential: Anticancer and Antibacterial Activities of Bis‐α, ω‐Bifunctional Sphingolipids from the Marine Sponge Oceanapia ramsayi

open access: yesChemMedChem, Volume 20, Issue 22, November 18, 2025.
Preparative work on Oceanapia ramsayi sponge specimens collected from the northeast South African coast (A) result in the isolation of four bifunctional sphingolipids (center). Bioassays of these compounds and their derivatives (B) show antimicrobial activity against bacterial pathogens and selective cytotoxicity to breast cancer tissue culture cell ...
Dele Abdissa Keneni   +7 more
wiley   +1 more source

Antibacterial activity tannin-rich fraction from leaves of Anacardium humile Atividade antibacteriana de frações tânicas de folhas de Anacardium humile

open access: yesCiência Rural, 2012
In vitro tests conducted with extracts rich in tannins have identified several biological activities of this class of substance. Thus, this paper intends to evaluate the antibacterial activity of tannin-rich fraction obtained from leaf extracts of ...
Peracio Rafael Bueno Ferreira   +6 more
doaj  

Photo‐Triggered Hyaluronic Acid Hydrogel for 3D Culture and Cell Recovery

open access: yesChemBioChem, Volume 26, Issue 22, November 17, 2025.
GA: Cross‐linking of hyaluronic acid modified by a strained alkyne with a photosensitive crosslinker terminating in azides gives hydrogels with tuneable mechanical properties. By tuning the wavelength of employed light, the hydrogel can either be fully degraded allowing harvesting of cultured cells or softened resulting in notable changes in cell ...
Francesco Palmieri   +8 more
wiley   +1 more source

Protonation Equilibria on Sephadex C-25. [PDF]

open access: bronze, 1988
Erik Högfeldt   +8 more
openalex   +1 more source

PURIFIKASI DAN KARAKTERISASI PARSIAL ENZIM PROTEASE DARI GETAH TANAMAN BIDURI (Calotropis gigantea) [Purification and Partial Characterization of Protease from Biduri (Calotropis gigantea) Latex]

open access: yesJurnal Teknologi dan Industri Pangan, 2007
The main objectives of this research we to purify protease from biduri (Calotropis gigantean) latex and its partial characterization in relation with this application in the food processing.
Yuli Witono1)   +3 more
doaj  

Producción, purificación y caracterización parcial de una glucoamilasa de aspergillus niger.

open access: yesRevista Colombiana de Química, 2011
La enzima glucoamilasa se produjo por fermentación de una cepa de Aspergillus niger suministrada por el "Osaka Technical Research Institute". La mezcla de amilasas se separó del caldo de fermentación por precipitación con sulfato de amonio (55-75 % de ...
Yolanda Rico
doaj  

Production and purification of extreme xylanase from Aspergillus flavus AUMC 10331 in sub-merged fermentation

open access: yesEuropean Journal of Biological Research, 2019
Xylan, extracted from oat spelts in a previous work, was assayed by HPLC and used as carbon source for the production of xylanase from Aspergillus flavus AUMC 10331.
AH Moubasher   +3 more
doaj  

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