Results 51 to 60 of about 667,427 (198)

Comparison of Anionic, Cationic and Nonionic Surfactants as Dispersing Agents for Graphene Based on the Fluorescence of Riboflavin

Nanomaterials, 2017
Fluorescence quenching is a valuable tool to gain insight about dynamic changes of fluorophores in complex systems. Graphene (G), a single-layered 2D nanomaterial with unique properties, was dispersed in surfactant aqueous solutions of different nature ...
Rocío Mateos, Soledad Vera, Mercedes Valiente, Ana María Díez-Pascual, María Paz San Andrés   +4 more
doaj   +1 more source

Mixed-Mode Chromatography: Studies on Hybrid Retention Mechanisms of Some Antihypertensive Drugs

Separations
The antihypertensive drugs indapamide, atenolol, metoprolol, propranolol and bisoprolol were considered in this research. Because they have structures that are affected by pH, developing a chromatographic method was challenging.
Irinel Adriana Badea, Andrei Mihăilă, Dana Elena Popa, Anca Monica Tencaliec, Mihaela Buleandră   +4 more
doaj   +1 more source

Functional differences of iodinated obestatin peptides: in vitro metabolic stability profile [PDF]

, 2010
Peptides are small polymers of 50 amino acids, situated between organic molecules and proteins. Most peptides perform a biochemical-physical function and are therefore considered as potential drugs.
De Spiegeleer, Bart, Van Dorpe, Sylvia, Wallez, Ingeborg   +2 more
core   +1 more source

Sesame Detection in Food Using DNA-Functionalized Gold Nanoparticles: A Sensitive, Rapid, and Cost-Effective Colorimetric Approach

Biosensors
Food safety control is a key issue in the food and agriculture industries. For such purposes, developing miniaturized analytical methods is critical for enabling the rapid and sensitive detection of food supplements, allergens, and pollutants.
Pablo Llano-Suárez, Adrián Sánchez-Visedo, Inmaculada Ortiz-Gómez, María Teresa Fernández-Argüelles, Marta Prado, José Manuel Costa-Fernández, Ana Soldado   +6 more
doaj   +1 more source

Absorbance based light emitting diode optical sensors and sensing devices [PDF]

, 2008
The ever increasing demand for in situ monitoring of health, environment and security has created a need for reliable, miniaturised sensing devices. To achieve this, appropriate analytical devices are required that possess operating characteristics of ...
Acharya, Andrew, Anfalt, Barron, Beach, Benson, Berry, Betteridge, Betteridge, Betteridge, Betteridge, Blundell, Boring, Bowden, Cantrell, Cardoso, Carroll, Chapin, Chediak, Chen, Clinch, Collins, Collins, Collins, Dasgupta, Dasgupta, Dasgupta, Dasgupta, David, Daykin, Deng, Dermot Diamond, Diamond, Diamond, Dong, Dybko, Eiichi, Ellis, Eom, Feres, Ferrer, Firstenberg-Eden, Flaschka, Fonseca, Fonseca, Freeman, Galanis, Gardolinski, Gotz, Greenway, Gros, Gros, Gros, Hauser, Hauser, Hauser, Hauser, Higgins, Ho, Holonyak, Hooley, Huang, Ichikawa, Jambunathan, Johns, Johnson, Kawamura, King, Koch, Kovac, Kuban, Kuo, Lau, Lau, Lau, Lau, Lau, Lee, Li, Liu, Liu, Liu, Liu, Lu, Lu, Lyddy-Meaney, Marle, Martina O’Toole, Matias, Mims, Mims, Mitrani, O'Toole, O'Toole, O'Toole, Pacquit, Pacquit, Park, Petsul, Rainelli, Ramırez-Garcıa, Ramirez-Garcia, Riley, Rocha, Samanta, Santos, Schawarz, Schmidt, Schmidt, Schnable, Schrodle, Sequeira, Sequeira, Singh, Smardzewski, Smiddy, Sombatsompop, Sonne, Suzuki, Suzuki, Taib, Tan, Taniyasu, Teshima, Toda, Trojanowicz, Trojanowicz, Trojanowicz, Tubino, Tubino, Vachirapatama, White, Worsfold, Yamada, Yang, Zagatto, Zhang, Zude, Zukauskas   +138 more
core   +3 more sources

Structural characterization and colour of Ni3VxP2−xO8 (0 ≤ x ≤ 2) and Ni2VyP2−yO7 (0 ≤ y ≤ 2) materials

Results in Physics, 2017
Structural characterization of Ni3VxP2−xO8 (0 ≤ x ≤ 2) and Ni2VyP2−yO7 (0 ≤ y ≤ 2) compositions was made and colour parameters of these materials measured. Ni(II) diphosphate and divanadate crystalline phases are not stables at high temperature.
M.A. Tena, Rafael Mendoza, José R. García, Santiago García-Granda   +3 more
doaj   +1 more source

Simple Formula for Marcus-Hush-Chidsey Kinetics [PDF]

, 2014
The Marcus-Hush-Chidsey (MHC) model is well known in electro-analytical chemistry as a successful microscopic theory of outer-sphere electron transfer at metal electrodes, but it is unfamiliar and rarely used in electrochemical engineering.
Bai, Peng, Bazant, Martin Z., Smith, Raymond, Zeng, Yi   +3 more
core   +2 more sources

Exploring the physical limits of saturation contrast in Magnetic Resonance Imagign [PDF]

, 2012
Magnetic Resonance Imaging has become nowadays an indispensable tool with applications ranging from medicine to material science. However, so far the physical limits of the maximum achievable experimental contrast were unknown.
Glaser, S. J., Janich, M., Lapert, M., Sugny, D., Zhang, Y.   +4 more
core   +3 more sources

Electrochemical (Bio)Sensors for Pesticides Detection Using Screen-Printed Electrodes

Biosensors, 2020
Pesticides are among the most important contaminants in food, leading to important global health problems. While conventional techniques such as high-performance liquid chromatography (HPLC) and mass spectrometry (MS) have traditionally been utilized for
Beatriz Pérez-Fernández, Agustín Costa-García, Alfredo de la Escosura- Muñiz   +2 more
doaj   +1 more source

Chemistry [PDF]

, 1967
published or submitted for ...
Mellon, M.G., Power, Ruth T.
core