نتایج جستجو برای: pdda

تعداد نتایج: 100  

2014
Wanlu Wang Xiang Li Zhoujun Wang Yi Tang Yahong Zhang

Experimental process The one-pot DKR of racemic 1-PE was carried out in a glass reactor with a magnetic stirring under microwave irradiation at a desired temperature. Typically, racemic 1-PE (0.10-0.4 mmol) and acyl donor (0.20-0.8 mmol) were firstly added into n-hexane (4.0 mL). And then, 20 mg of the core-shell bi-functional catalysts (Hβ-PDDA@CALB)MSs were added into the above-mentioned reac...

Journal: :International Journal of Electrical and Computer Engineering (IJECE) 2020

Journal: :Physical chemistry chemical physics : PCCP 2016
Bin Wang Yuanyuan Tang Xiao-Ying Lu Sau Long Fung King Yan Wong Wai Kuen Au Pengfei Wu

For the first time, two dimensional (2D) rectangular Co3O4 with micro-/nanoarchitectures is successfully synthesized by a facile hydrothermal treatment with the assistance of poly(diallyldimethylammonium chloride) (PDDA). Owing to the strong electrostatic interaction, positively charged PDDA molecules are considered as structure directing agents and play a crucial role in the formation of the u...

Journal: :Journal Health NPEPS 2022

Objetivo: avaliar o conteúdo do Protocolo de Diagnóstico da Depressão em Adulto (PDDA). Método: estudo metodológico, descritivo e com abordagem quanti-qualitativa, que ocorreu julho a agosto 2019, participação 23 avaliadores, profissionais saúde mental. Verificou-se grau concordância entre os pelo percentual (PC) índice validade (IVC). Resultados: obtiveram-se PC 95,65% 100,00%, IVC 0,99 1 na a...

2014
Wanxing Xu Xianfeng Li Jingyu Cao Hongzhang Zhang Huamin Zhang

In this work we presented a general strategy for the fabrication of membranes with well-defined ions transport channels through solvent-responsive layer-by-layer assembly (SR-LBL). Multilayered poly (diallyldimethylammonium chloride) (PDDA) and poly (acrylic acid) (PAA) complexes were first introduced on the inner pore wall and the surface of sulfonated poly (ether ether ketone)/poly (ether sul...

2015
Letícia Dias de Melo Carrasco Jorge Luiz Mello Sampaio Ana Maria Carmona-Ribeiro

The growing challenge of antimicrobial resistance to antibiotics requires novel synthetic drugs or new formulations for old drugs. Here, cationic nanostructured particles (NPs) self-assembled from cationic bilayer fragments and polyelectrolytes are tested against four multidrug-resistant (MDR) strains of clinical importance. The non-hemolytic poly(diallyldimethylammonium) chloride (PDDA) polyme...

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