Results 91 to 100 of about 18,501,544 (305)

A Solvent‐Free Synthesis of Imidazo[1,5‐a]pyridines Using CCl4 as an Oxidant

Journal of Heterocyclic Chemistry, EarlyView.
A solvent‐free synthesis of imidazo[1,5‐a]pyridines (Impys) using CCl4 as an oxidant reagent and DBU as the base is informed. An array of Impys derived from different benzylic, heteroaryl aldehydes and others was synthesized in moderate to good yields.
Alejandro Castillo‐Baltazar, Luis E. Mendoza‐Herrera, Alfredo Toscano, J. Armando Luján‐Montelongo, M. Carmen Ortega‐Alfaro, José G. López‐Cortés   +5 more
wiley   +1 more source

Interaction Between Nitrogen Forms, Phosphorus Forms, and Mineral Phases Drives Phosphorus Limitation and Uptake by Ryegrass in a Model System

Journal of Plant Nutrition and Soil Science, EarlyView.
Nitrogen addition shifts plant nutrition from nitrogen to phosphorus (P) limitation. Nitrate‐based nitrogen enhances P acquisition more effectively than ammonium through increased phosphatase activity, independently of pH changes. Organic P forms induce stronger P limitation than inorganic P.
Issifou Amadou, Michel‐Pierre Faucon, Josep Peñuelas, Jordi Sardans, David Houben   +4 more
wiley   +1 more source

Facile Synthesis of Silver-Doped Zinc Oxide Nanostructures as Efficient Scaffolds for Detection of p-Nitrophenol

Chemosensors, 2020
In this paper, silver-doped zinc oxide nanoparticles were synthesized by using a solution combustion technique, in which zinc nitrate is used as an oxidizer and tartaric acid as a fuel.
Deepika Thakur, Anshu Sharma, Dharmender Singh Rana, Nagesh Thakur, Dilbag Singh, Tomas Tamulevicius, Mindaugas Andrulevicius, Sigitas Tamulevicius, Sudheesh K. Shukla, Sourbh Thakur   +9 more
doaj   +1 more source

Toward Sustainable Enzyme Production From Agro‐Industrial Residues: Optimizing pH and Soyhull Particle Size in Fungal Fermentation

Journal of Surfactants and Detergents, EarlyView.
Sustainable enzyme production from soyhull fermentation. ABSTRACT Carbohydrase enzymes are critical to sustainable detergent formulations, enabling effective cleaning at lower temperatures and reduced resource use. To improve the economic and environmental viability of enzyme production, this study explored soybean hulls—a low‐value agricultural by ...
Ashwin Sancheti, Lu‐Kwang Ju
wiley   +1 more source

Obtenção, caracterização e avaliação da atividade de um nanocatalisador de Pd(0) sintetizado in situ sob a superfície de Fe3O4@dextrana para redução do 4-nitrofenol [PDF]

, 2015
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Programa de Pós-Graduação em Química, Florianópolis, 2015.O objetivo principal deste trabalho é a preparação, caracterização e avaliação da atividade ...
Lara, Luciano Roni Silva
core  

Bio‐guided fractionation of (9Z)‐5,8,11‐trihydroxyoctadec‐9‐enoic acid from Abelmoschus sagittifolius root as a potent α‐glucosidase inhibitor: An integrated in vitro and in silico study

Journal of the Science of Food and Agriculture, EarlyView.
Abstract BACKGROUND Abelmoschus sagittifolius stands out as a valuable medicinal source for developing functional food targeting type 2 diabetes. This study investigated the α‐glucosidase inhibitory potential of an active fraction obtained from A. sagittifolius roots (ASR), enriched in (9Z)‐5,8,11‐trihydroxyoctadec‐9‐enoic acid (OA), using both enzyme ...
Nguyen Phuong Mai, Nguyen Van Quan, Nguyen Dang Duc, Tran Dang Xuan   +3 more
wiley   +1 more source

Hierarchical AuNPs-Loaded Fe3O4/Polymers Nanocomposites Constructed by Electrospinning with Enhanced and Magnetically Recyclable Catalytic Capacities

Nanomaterials, 2017
Gold nanoparticles (AuNPs) have attracted widespread attention for their excellent catalytic activity, as well as their unusual physical and chemical properties.
Rong Guo, Tifeng Jiao, Ruirui Xing, Yan Chen, Wanchun Guo, Jingxin Zhou, Lexin Zhang, Qiuming Peng   +7 more
doaj   +1 more source

Biochar‐Induced Shifts in Fungal Community Structure and Their Association With Soil Physical Properties in Degraded Soil From the Brazilian Semiarid

Land Degradation &Development, EarlyView.
ABSTRACT Soil degradation compromises ecosystem functioning. Biochar, a carbon‐rich amendment, has gained attention as a promising strategy to enhance soil structure and restore microbial balance. This study investigated the effects of two biochars, cashew bagasse biochar (CBB) and a co‐pyrolyzed biochar produced from sewage sludge and cashew pruning ...
João Marcos Rodrigues dos Santos, Arthur Prudêncio de Araujo Pereira, Kaio Gráculo Vieira Garcia, Ícaro Vasconcelos do Nascimento, Francisco Luan Almeida Barbosa, Tiago da Costa Dantas Moniz, Gilvanete da Silva Henrique, Murilo de Sousa Almeida, Vania Maria Maciel Melo, Mirian Cristina Gomes Costa, Helon Hébano de Freitas Sousa, Adriana Guirado Artur, Christiana de Fátima Bruce da Silva, Odair Pastor Ferreira, Antônio Gomes de Souza Filho, Erika Valente de Medeiros, Ademir Sergio Ferreira Araujo, Rafael Santiago da Costa, Jaedson Cláudio Anunciato Mota   +18 more
wiley   +1 more source

p-Acetamol from phenol via p-nitrophenol

, 1985
p-Nitrophenol is obtained from phenol by nitrahg phenol chemically and p-nitrophenol is then reduced to p-aminophenol electrochemically. Since p-ammophenol is fixed as a paminophenol sulphate, it is directly used for producing p-acetamol.
Anantharaman, P.N.
core  

Synthesis of Borneol‐Polymers as Fluorescent Sensors for Pollutant Detection

Macromolecular Symposia, EarlyView.
ABSTRACT In this work, a borneol‐derived monomer was employed to synthesize two novel copolymers, poly(vinyl acetate‐co‐bornyl methacrylate) (CopBM‐1) and poly(p‐acryloyloxybenzaldehyde‐co‐bornyl methacrylate) (CopBM‐2), via radical copolymerization. Both copolymers demonstrated aggregation‐induced emission in DMF at concentrations exceeding 0.04 wt.%.
Viorica‐Elena Podasca, Andreea Chibac‐Scutaru, Violeta Melinte   +2 more
wiley   +1 more source