Materias dentro de su búsqueda.
Materias dentro de su búsqueda.
Historia
1,483
Relaciones exteriores
506
Estados Unidos
425
Política y gobierno
410
Aspectos sociales
305
Condiciones sociales
295
Condiciones económicas
227
Educación
223
Psicoanálisis
197
Emigración e inmigración
191
Aspectos psicológicos
189
Civilización
173
Estudio y enseñanza
160
Historia y crítica
148
Psicología
147
Filosofía
144
Biografías
140
Administración
134
Leyes y legislación
120
Vida social y costumbres
116
Aspectos económicos
115
Crítica e interpretación
114
Ejidos
101
Psicología infantil
98
Política económica
97
Aptitud de mando
96
Indígenas de México
94
Películas cinematográficas
91
Radio
90
Niños recién nacidos
88
-
981por Clegg, William, Conway, Ben, Hevia, Eva, McCall, Matthew D., Russo, Luca, Mulvey, Robert E.Enlace del recurso
Publicado 2009
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
982
-
983“…The asymmetric unit of the title compound, NH(4) (+)·C(11)H(14)N(6)O(7)P(−)·0.5H(2)O, contains one 3′-azido-3′-deoxythymidine-5′aminocarbonylphosphonate (ACP–AZT) anion, half of an NH(4) (+) cation lying on a twofold rotation axis and in another position, occupied with equal probabilities of 0.5, an NH(4) (+) cation and a water molecule. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
984por Goslan, Carlos José, Baretta, Giórgio Alfredo Pedroso, de Souza, Hemuara Grasiela Pestana, Orsi, Bruna Zanin, Zanoni, Esdras Camargo A., Lopes, Marco Antonio Gimenez, Engelhorn, Carlos Alberto“…OBJETIVOS: Comparar o uso de doses diferentes de heparina de baixo peso molecular (HBPM) na profilaxia da trombose venosa profunda (TVP) em pacientes candidatos à cirurgia bariátrica em relação ao risco de TVP, alteração na dosagem do fator anti-Xa e sangramento pré ou pós-operatório. …”
Publicado 2018
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
985por Jouhadi, Zineb, Odou, Marie Francoise, Zerimech, Farid, Bousfiha, Ahmed Aziz, Mikou, Nabiha, Porchet, Nicole, Crepin, Michel, Najib, Jilali, Balduyck, Malika“…The presence of this alpha-1-antitrypsin Q0cairo homozygous mutation could explain the severity of clinical manifestations. …”
Publicado 2018
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
986“…Some novel Schiff bases have been prepared by reacting 6-azido-5-formyl-2-pyridone 1 with a series of aromatic amines 2a-f. 5-Arylaminomethylene-6-(E)-aryl-iminopyridones 3a-e were obtained by reaction of 1 with 2a-e at room temperature, whereas with 2f, the 6-azido-5-naphthalen-2-yl-iminomethylpyridone derivative 4 was formed. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
987
-
988“…Human thymidylate kinase (hTMPK) conversion of the anti-HIV prodrug 3′-azido-3′-deoxythymidine (AZT or zidovudine) monophosphate to diphosphate is the rate-limiting step in the activation of AZT. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
989“…Three new cationic gemini surfactants with ester spacer type 2-2′-(ethane-1,2-diyl bis(oxy)) bis(N-(2-alkanamidoethyl)-N,N-dimethyl-2-oxoethan-1-aminium)) dichloride) (CGSES12, CGSES14 and CGSES16), based on N,N-dimethyl fatty amido ethylamine, were produced. These gemini quaternary ammonium salts were synthesized using a three-step reaction method, starting from th/e condensation of the fatty acid chloride (RCOCl) of various hydrophobic chain lengths (R, C(11)H(23), C(13)H(27), C(15)H(31)) with N,N-dimethyl ethylene diamine, followed by the quaternization of the tertiary amino group formed with the spacer of the ester group formed in the second step. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
990por Grymel, Mirosława, Pastuch-Gawołek, Gabriela, Lalik, Anna, Zawojak, Mateusz, Boczek, Seweryn, Krawczyk, Monika, Erfurt, KarolEnlace del recurso
Publicado 2020
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
991
-
992“…Based on the N,N′‐chelating β‐diketiminato ligand (HNacNac), a new amido imidazoline‐2‐imine ligand system (HAmIm) is presented, giving rise to the isolation of an exhaustive series of Lewis acid free, monomeric chalcogen B=X boranes with documented π‐bond character between boron and the chalcogen. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
993por Braam, Dorien H., Srinivasan, Sharath, Church, Luke, Sheikh, Zakaria, Jephcott, Freya L., Bukachi, Salome“…METHODS: We conducted a remote qualitative study, using Katikati, a 1-to-1 conversation management and analysis platform using short message service (SMS) developed by Lark Systems with Africa’s Voices Foundation (AVF), for semi-structured interviews over three months with participants in Mogadishu and Baidoa. We recruited a gender balanced cohort across age groups, and used an analytical framework on the social determinants of health for a narrative analysis on major themes discussed, triangulating data with existing peer-reviewed and grey literature. …”
Publicado 2021
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
994por Šimoliūnienė, Monika, Žukauskienė, Emilija, Truncaitė, Lidija, Cui, Liang, Hutinet, Geoffrey, Kazlauskas, Darius, Kaupinis, Algirdas, Skapas, Martynas, de Crécy-Lagard, Valérie, Dedon, Peter C., Valius, Mindaugas, Meškys, Rolandas, Šimoliūnas, Eugenijus“…In addition, a gene encoding a preQ(0) DNA deoxyribosyltransferase (DpdA) is present in the genome of MED16 and the LC–MS/MS analysis indicates 2′-deoxy-7-amido-7-deazaguanosine (dADG)-modified phage DNA, which, to our knowledge, has never been experimentally validated in genomes of Pantoea phages. …”
Publicado 2021
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
995por van der Feltz-Cornelis, Christina, Brabyn, Sally, Ratcliff, Jonathan, Varley, Danielle, Allgar, Victoria, Gilbody, Simon, Clarke, Chris, Lagos, DimitrisEnlace del recurso
Publicado 2021
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
996por Braun, Jason D., Lozada, Issiah B., Shepit, Michael, van Lierop, Johan, Herbert, David E.“…The attribution of these features to the onset of aminyl radical character through ligand-based redox is corroborated by exceptionally strong intervalence charge-transfer (IVCT) transitions ascribed to electronic communication between two N(amido) moieties across a Ni(ii) bridge.…”
Publicado 2021
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
997por Monged, Mohamed H. E., Imam, N. G., Aquilanti, Giuliana, Pollastri, Simone, Rashad, A. M., Osán, János“…Synchrotron radiation-based techniques [X-ray absorption near-edge structure (XANES) and X-ray fluorescence (XRF)] combined with inductively coupled plasma-mass spectrometry (ICP-MS) were used for the assessment of heavy metals concentrations as well as lead (Pb) and nickel (Ni) speciation in airborne particulate matter (PM(10)) over two residential sites in Greater Cairo. Nineteen 24 h high-volume samples collected at Giza (G) Square and Helwan (H) University (Egypt) were selected for this study. …”
Publicado 2022
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
998por Stadler, Karina A., Becker, Walter, Darnhofer, Barbara, Birner-Gruenberger, Ruth, Zangger, Klaus“…We investigated the ability of the engineered V. natriegens strain, Vmax™ Express, to incorporate the non-canonical amino acid (ncAA) p-azido-L-phenylalanine (AzF) into recombinant proteins for NMR applications. …”
Publicado 2022
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
999por Schwedtmann, Kevin, Quest, Michael, Guddorf, Benedikt J., Keuter, Jan, Hepp, Alexander, Feldt, Milica, Droste, Jörn, Hansen, Michael Ryan, Lips, Felicitas“…The bicyclic amido‐substituted silicon(I) ring compound Si(4){N(SiMe(3))Mes}(4) 2 (Mes=Mesityl=2,4,6‐Me(3)C(6)H(2)) features enhanced zwitterionic character and different reactivity from the analogous compound Si(4){N(SiMe(3))Dipp}(4) 1 (Dipp=2,6‐( i )Pr(2)C(6)H(3)) due to the smaller mesityl substituents. …”
Publicado 2021
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
1000por Serusi, Lorenzo, Palombi, Laura, Pierri, Giovanni, Mola, Antonia Di, Massa, Antonio“…A new cascade reaction was developed that consisted of the asymmetric nitro-Mannich reaction of suitable α-amido sulfones designed from 2-formyl benzoates, followed by the in situ cyclization of the adducts. …”
Publicado 2022
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto