Results 141 to 150 of about 15,391 (234)

Nanopartículas de prata e prata-paládio estabilizadas pela polietilenoimina linear funcionalizada: formação, caracterização e aplicações catalíticas [PDF]

, 2012
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas. Programa de Pós-Graduação em QuímicaA proposta deste trabalho foi a síntese, caracterização e estudo da atividade catalítica de nanopartículas (NPs) de ...
Santos, Kelly de Oliveira
core  

Catalytic Antioxidant Activity of Acyclic and Macrocyclic Selenides: Insights Into Structure–Activity Relationships and Mechanisms From Kinetic and Computational Studies

European Journal of Organic Chemistry, EarlyView.
Structure–activity relationships of antioxidant activities of selenides were established by experimental and computational methods. Several structures displayed strong catalytic activity in an NMR‐based assay. Diverse selenides were shown to act as potent catalytic antioxidants.
Adrian I. Doig, Wen Zhou, Thomas G. Back
wiley   +1 more source

Elimination of Fusobacterium nucleatum With Biomimetic Nanoparticles to Reverse Tumor Immunosuppression and Enhance Colorectal Cancer Therapy

Exploration, EarlyView.
Tumor‐related pathogenic bacteria can affect the treatment efficiency of tumors. Therefore, we have designed a nanoparticle that can accurately target tumor cells and related pathogenic bacteria, reverse the immunosuppressive effect of pathogenic bacteria on tumors, and synergistically enhance tumor treatment efficiency through sonodynamic therapy ...
Mengting Zhou, Jiahao Du, Cheng Li, Yefei Zhu, Kairuo Wang, Keyi Wen, Yuanyuan Zhang, Sy‐Tsong Dean Chueng, Qian Chen, Yang Zhang, Huanlong Qin   +10 more
wiley   +1 more source

Recovery of gold from thiosulfate solutions and pulps with anion-exchange resins

, 2002
With growing environmental and occupational safety concerns over the use of cyanide in gold processing, more acceptable alternatives are receiving increased interest. The most promising of the possible alternatives is thiosulfate.
O'Malley, Glen Peter
core  

Borophene‐based sensing platforms: Pioneering ultrasensitive detection

FlexMat, EarlyView.
Schematic Diagram of Performance Optimization Strategies and Sensing Application Characteristics of Two‐Dimensional Boron‐Based Materials in Novel Sensors. Abstract Borophene is an emerging two‐dimensional (2D) material. Since significant breakthroughs were achieved in the experimental synthesis of borophene, the exploration and development of ...
Chi Yuan, Yanpeng Ji, Yi Liu, Guoan Tai
wiley   +1 more source

Development of an Efficient and Scalable Process for Preparing Timolol N‐Nitrosamine Impurities B, C, E, H, I, J, and Their ADMET Evaluation

Journal of Heterocyclic Chemistry, EarlyView.
N‐nitrosamine impurities (B, C, E, H, I, J) of timolol maleate are easily synthesized from diethyl malonate and 3,4‐dichloro‐1,2,5‐thiadiazole. Good yields and precise impurity profiling are made possible by the effective technique, which also ensures pharmaceutical safety and strengthens regulatory compliance.
Kottolla Sai Prasad, Chithaluri Sudhakar, Vijaya Krishna Ravi, Bijaya Kethan Sahoo   +3 more
wiley   +1 more source

Photooxidation of 18‐Carbon Polyunsaturated Fatty Acids to Prepare Mono‐Hydroxylated Octadecanoids

Lipids, EarlyView.
We developed a fast and simple one‐step synthetic strategy to produce mono‐hydroxylated metabolites based on the photosensitized oxidation of 18‐carbon polyunsaturated fatty acids (PUFAs). This approach could likely be extended to other PUFAs, suggesting that photosensitized oxidation could be employed to rapidly prepare hydroperoxides from multiple ...
Johanna Revol‐Cavalier, Mats Hamberg, Craig E. Wheelock   +2 more
wiley   +1 more source

Stereoselective reduction of δ-hydroxy β-ketoesters to syndiol in achiral micellar system

, 2015
1247-1251A novel, efficient and stereo-selective process for synthesis of statin side chain, a key intermediate for statin type cholesterol lowering drugs such as Lipitor (atorvastatin) and Crestor (rosuvastatin) in achiral micellar media is reported.
Lathi, Piyush Suresh, Singh, Girij Pal, Mitra, Rangan, Agrawal, Manoj K, Roy, Bhairab Nath   +4 more
core  

Optical Properties of PbS Nanoparticles Grown by Chemical Reduction Route [PDF]

, 2015
221-224A simple chemical Reduction Route method has been successfully used to fabricate lead sulphide (PbS) nanoparticles (NPs). In this process Sodium Borohydride was used as reducing agent in the medium THF.
Bhunia, A K, Saha, S, Kamilya, T
core  

Low‐Hysteresis Cellulose‐Based Hydrogels for Strain Detecting

Macromolecular Rapid Communications, EarlyView.
Low‐hysteresis hydrogel with high cellulose content is prepared. The modified cellulose is prepared through a sequential periodate oxidation and borohydride reduction process. The hydrogel can be used as a strain sensor with a gauge factor of 1.1 in the 0%–300% sensing range.
Xia Sun, Fanghan Luo, Feng Jiang
wiley   +1 more source