Contribution a l'etude du latex de caoutchouc naturel par transfert de phase. Application a la preparation d'alliages de polymeres

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Detection of Malaria Infection via Latex Agglutination Assay

International audienc

Multifunctional Fluorescent-Magnetic Polymeric Colloidal Particles: Preparations and Bioanalytical Applications

International audienc

Janus Colloidal Particles: Preparation, Properties, and Biomedical Applications

International audienc

Preparation of Janus colloidal particles via Pickering emulsion: An overview

International audienc

Fluorescent-magnetic Janus particles prepared via seed emulsion polymerization

International audienc

Hybrid Fluorescent-Magnetic Polymeric Particles for Biomedical Applications

International audienc

Detection of Vibrio cholerae Using the Intrinsic Catalytic Activity of a Magnetic Polymeric Nanoparticle

A novel and sensitive magnetic polymeric nanoparticle (MPNP)–polymerase chain reaction–colorimetry (magneto–PCR–colorimetry) technique was developed for detection of Vibrio cholerae (V. cholerae). The technique involved an amplification of V. cholerae DNA on the surface of an MPNP and then employed the intrinsic catalytic activity of the MPNP to detect the target gene by colorimetry. An amino-modified forward primer was covalently labeled onto the MPNP surface which would bind to PCR product during PCR cycling. By employing the catalytic activity of the MPNP, the analysis of PCR product bound MPNP yielded a sensitivity of 10³ CFU/mL of V. cholerae in buffer system within 4 h. The specificity and efficiency of the technique were investigated by using various bacterial DNAs in drinking and tap water

Graphene oxide-loaded shortening as an environmentally friendly heat transfer fluid with high thermal conductivity

Graphene oxide-loaded shortening (GOS), an environmentally friendly heat transfer fluid with high thermal conductivity, was successfully prepared by mixing graphene oxide (GO) with a shortening. Scanning electron microscopy revealed that GO particles, prepared by the modified Hummer’s method, dispersed well in the shortening. In addition, the latent heat of GOS decreased while their viscosity and thermal conductivity increased with increasing the amount of loaded GO. The thermal conductivity of the GOS with 4% GO was higher than that of pure shortening of ca. three times, from 0.1751 to 0.6022 W/mK, and increased with increasing temperature. The GOS started to be degraded at ca. 360°C. After being heated and cooled at 100°C for 100 cycles, its viscosity slightly decreased and no chemical degradation was observed. Therefore, the prepared GOS is potentially used as environmentally friendly heat transfer fluid at high temperature