Results 41 to 50 of about 261,575 (112)

Multi-Metal Adsorption of Lead (II), Cadmium (II), and Manganese (II) Ions from Simulated Solution onto HDTMA-Br Modified Dijah-Monkin Bentonite Clay [PDF]

In this study, Dijah-Monkin bentonite clay was modified with a cationic surfactant hexadecyltrimethylammonium bromide (HDTMA-Br) at the level of twice the cation exchange capacity (CEC) and applied in adsorption to obtain the optimal conditions for the ...
Aroke, Umar Omeiza, Giwa, Saidat Olanipekun, Oloyede, Olukayode Gideon   +2 more
core   +2 more sources

Disparities in Travel-Related Barriers to Accessing Health Care From the 2017 National Household Travel Survey

JAMA Network Open, 2023
Key Points Question What sociodemographic factors are associated with geographic barriers in accessing health care facilities in the United States? Findings In this cross-sectional study including 12 092 households and 15 063 respondents, non-Hispanic ...
M. Labban, Chang-Rong Chen, N. Frego, D. Nguyen, S. Lipsitz, A. Reich, T. Rebbeck, T. Choueiri, A. Kibel, Hari S Iyer, Q. Trinh   +10 more
semanticscholar   +1 more source

Synthesis, characterization, biological and electrical conductivity studies of some Schiff base metal complexes

Bulletin of the Chemical Society of Ethiopia, 2014
Metal complexes of VO(IV), Zr(IV), Th(IV) and UO2(VI) with Schiff base ligands derived from 4-nitrobenzoylhydrazide with 2-hydroxy-5-methylacetophenone (H2L1) or 2-hydroxy-5-chloroacetophenone (H2L2) have been prepared.
A. R. Yaul, V. V. Dhande, G. B. Pethe, A. S. Aswar   +3 more
doaj   +1 more source

Acetylated Thioredoxin Reductase 1 Resists Oxidative Inactivation

Frontiers in Chemistry, 2021
Thioredoxin Reductase 1 (TrxR1) is an enzyme that protects human cells against reactive oxygen species generated during oxidative stress or in response to chemotherapies. Acetylation of TrxR1 is associated with oxidative stress, but the function of TrxR1
David. E. Wright, Nikolaus Panaseiko, Patrick O’Donoghue, Patrick O’Donoghue   +3 more
doaj   +1 more source

Reference Question Data Mining [PDF]

, 2010
This exploratory study investigated the feasibility of using reference questions as an important tool in the construction of study guides, instructional outreach, and collection development at a small, four-year university in Lake Charles, Louisiana. The
Finnell, Joshua, Fontane, Walt
core   +1 more source

Volátiles generados por hidrólisis enzimática de glicósidos de hojas de lulo (Solanum quitoense L.)

Revista Colombiana de Química, 2010
La fracción glicosídica de hojas de lulo (Solanum quitoense L.) fue obtenida por adsorción sobre Amberlita XAD-2 y posterior elución con metanol. Los glicósidos así extraídos se hidrolizaron enzimáticamente con una glicosidasa no selectiva (Rohapect D5 ...
Carolina Osorio R., Carmenza Duque B.
doaj  

TELAS DE FÓSFORO PARA PROJEÇÃO DE IMAGEM

Química Nova
In this work we describe a methodology to obtain phosphor screens used in various applications to produce images or patterns such as detectors and microscopes.
Marcos Henrique Mamoru Otsuka Hamanaka, Michele Odnicki da Silva, Viviane Nogueira Hamanaka, Thebano Emílio de Almeida Santos   +3 more
doaj   +1 more source

Floculação de Chlorella sp. produzida em concentrado de dessalinização e estudo de método de extração de lipídeos intracelulares

Química Nova, 2014
Chlorella sp. was used to assess algal lipid production with concentrated desalination. In order to investigate the action of the flocculating agent calcium chloride and pH, a Box-Behnken Design and a Central Composite Design (CCD) were carried out. Also,
Luiz Rodrigo Ito Morioka, Ângelo Paggi Matos, Gisele Olivo, Ernani Sebastião Sant'Anna   +3 more
doaj   +1 more source

Modificação por via enzimática da composição triglicerídica do óleo de piqui (Caryocar brasiliense Camb) Piqui (Caryocar brasiliense Camb) oil triglyceride composition modification by enzymatic way

Química Nova, 1998
Piqui (Caryocar brasiliense Camb) oil was transformed into a cocoa butter-like fat through an enzymatic interesterification reaction using Lipozyme in the presence of stearic acid that was incorporated in the sn 1,3-3,1 position into triglyceride ...
Nara Lúcia Facioli, Lireny A.G. Gonçalves   +1 more
doaj   +1 more source

Equation-of-Motion Coupled-Cluster Cumulant Green’s Function for Excited States and X-Ray Spectra

Frontiers in Chemistry, 2021
Green’s function methods provide a robust, general framework within many-body theory for treating electron correlation in both excited states and x-ray spectra.
F. D. Vila, J. J. Kas, J. J. Rehr, K. Kowalski, B. Peng   +4 more
doaj   +1 more source