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
-
16461por de Alencar, Daniel Machado, Gonçalves, Juliana, Vieira, Andreia, Cerqueira, Sofia A., Sebastião, Cruz, Leitão, Maria Inês P. S., Francescato, Giulia, Antenori, Paola, Soares, Helena, Petronilho, Ana“…We report herein a set of 3′-azido-3′-deoxythymidine (AZT) derivatives based on triazoles and triazolium salts for HIV-1 infection. …”
Publicado 2021
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
16462por Zhang, Min, Liu, Yufu, Xiao, Yixiong, Sun, Wenqi, Zhang, Chen, Wang, Yong, Bai, Yuqi“…Traffic congestion index data, derived from the Baidu Map Smart Transportation Platform, and rainfall data, derived from NASA’s global precipitation measurement, are utilized. …”
Publicado 2021
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
16463por Danilkina, Natalia A., Andrievskaya, Ekaterina V., Vasileva, Anna V., Lyapunova, Anna G., Rumyantsev, Andrey M., Kuzmin, Andrey A., Bessonova, Elena A., Balova, Irina A.“…A new type of fluorogenic and fluorochromic probe based on the reduction of weakly fluorescent 4-azido-6-(4-cyanophenyl)cinnoline to the corresponding fluorescent cinnoline-4-amine was developed. …”
Publicado 2021
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
16464por Lingappa, Usha F., Stein, Nathaniel T., Metcalfe, Kyle S., Present, Theodore M., Orphan, Victoria J., Grotzinger, John P., Knoll, Andrew H., Trower, Elizabeth J., Gomes, Maya L., Fischer, Woodward W.“…Little Ambergris Cay, in the Turks and Caicos Islands, supports extensive mats that vary sharply with relative water level. …”
Publicado 2022
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
16465por Parle, Daniel R., Bulat, Flaviu, Fouad, Shahd, Zecchini, Heather, Brindle, Kevin M., Neves, André A., Leeper, Finian J.“…Ac(3)ManNCyoc gave better labeling than the azido-tagged Ac(4)ManNAz and has significant potential for in vitro and in vivo imaging of glycosylated cancer biomarkers.…”
Publicado 2022
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
16466“…The new triazole-functionalized phosphonic acid 5-phenyl-3-(2-phosphonoethyl)-1,2,3-triazol-1-ium chloride, C(10)H(13)N(3)O(3)P(+)·Cl(−) (PTEPHCl), was synthesized by the ‘click’ reaction of the alkyl azide diethyl-(2-azidoethyl)phosphonate with phenylacetylene to give the diethyl[2-(4-phenyl-1H-1,2,3-triazol-1-yl)ethyl]phosphonate ester, which was then hydrolyzed under acidic conditions (HCl) to give the ‘free’ phosphonic acid. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
16467“…With the help of the BP neural network algorithm, taking English online translation as the research object, Google's translation quality is the best, with an error frequency of only 167, while Baidu translation and iFLYTEK translation in China have a high error rate of 266 and 301, respectively, which is much higher than Google translation. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
16468“…It is based on the chemical synthesis of a HS oligosaccharide that enzymatically was extended by various GlcA‐GlcNAc units and terminated in GlcNAc having an azido moiety at C‐6 position. HS oligosaccharides having an azide and alkyne moiety could be assembled by copper catalyzed alkyne‐azide cycloaddition to give compounds having various NS domains separated by unsulfonated regions. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
16469“…METHODS: We used data mining to investigate posts shared in Baidu Tieba concerned with IBS; we collected the data through the crawler code, and mined the cleaned data’s themes based on Latent Dirichlet allocation (LDA) and the Grounded theory. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
16470por Jaiswal, Mohit, Tran, Trang T., Guo, Jiatong, Zhou, Mingwei, Kunda, Sayan, Guo, Zhongwu, Fanucci, Gail“…Here, we utilize three different azide-containing sugars for metabolic glycan engineering with HeLa cells to incorporate azido glycans that are modified with a DBCO-based nitroxide moiety via click reaction. …”
Publicado 2023
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
16471por Bastida-Zavala, Rolando“…Serpula madrigalae sp. n. from the Turks and Caicos has a tube with five longitudinal ridges, four rows of alveoli and a medium-sized shallow symmetrical opercular funnel with 17 radii, and an inner surface with opercular tubercles. …”
Publicado 2012
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
16472por Jervis, Peter J., Graham, Lisa M., Foster, Erin L., Cox, Liam R., Porcelli, Steven A., Besra, Gurdyal S.“…Huisgen [3+2] dipolar cycloaddition of 6″-azido-6″-deoxy-α-galactosyl ceramide 11 with a range of alkynes (or a benzyne precursor) yielded a series of triazole-containing α-galactosyl ceramide (α-GalCer) analogues in high yield. …”
Publicado 2012
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
16473“…Using 600 natural scenery images downloaded from the Baidu photo channel to train and test the model, our experiments achieved results superior to the results obtained using the BP neural network method. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
16474“…To increase structural diversity, we present the synthesis of a N(6),N(6)-dimethylated 3′-azido-3′-deoxyadenosine precursor that can be coupled to any amino acid. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
16475por Goryaeva, Marina V, Burgart, Yanina V, Ezhikova, Marina A, Kodess, Mikhail I, Saloutin, Viktor I“…The interaction of 2-ethoxymethylidene-3-oxo esters and their analogues with 5-aminotetrazole is an efficient synthetic approach to novel azaheterocycles. 2-Ethoxymethylidene-3-oxo esters bearing alkyl substituents react with 5-aminotetrazole to form ethyl 2-azido-4-alkylpyrimidine-5-carboxylates which are capable of subsequent nucleophilic substitution. …”
Publicado 2015
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
16476por Rannversson, Hafsteinn, Andersen, Jacob, Sørensen, Lena, Bang-Andersen, Benny, Park, Minyoung, Huber, Thomas, Sakmar, Thomas P., Strømgaard, Kristian“…We employ ultraviolet-induced crosslinking with p-azido-L-phenylalanine (azF) at selected positions in hSERT to map the binding site of imipramine, a prototypical tricyclic antidepressant, and vortioxetine, a novel multimodal antidepressant. …”
Publicado 2016
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
16477“…This review covers the peer-reviewed articles between 1954 and 2016, retrieved from Pubmed, ScienceDirect, SciFinder, Wikipedia and Baidu, using “Carissa” as search term (“all fields”) and with no specific time frame set for search. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
16478Synthesis and fluorescent properties of N(9)-alkylated 2-amino-6-triazolylpurines and 7-deazapurinespor Šišuļins, Andrejs, Bucevičius, Jonas, Tseng, Yu-Ting, Novosjolova, Irina, Traskovskis, Kaspars, Bizdēna, Ērika, Chang, Huan-Tsung, Tumkevičius, Sigitas, Turks, Māris“…The obtained intermediates, 9-alkylated-2-amino-6-azido-(7-deaza)purines, were transformed into the title compounds by CuAAC reaction. …”
Publicado 2019
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
16479por Canestrari, Daniele, Cioffi, Caterina, Biancofiore, Ilaria, Lancianesi, Stefano, Ghisu, Lorenza, Ruether, Manuel, O'Brien, John, Adamo, Mauro F. A., Ibrahim, Hasim“…Their synthetic potential was demonstrated by the one-pot preparation of γ-azido alcohol (S)-5 in 90% ee. NMR studies revealed an initial formation of a sulphide bromine adduct, which in turn is in equilibrium with a postulated dibromosulphurane intermediate that undergoes C–Br bond formation.…”
Publicado 2019
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
16480“…In this approach, click-able phosphonate-handles are introduced into proteins via 1,3-dipolar Huisgen-cycloaddition to azido-homo-alanine (AHA) and IMAC is then used to enrich exclusively for phosphonate-labeled peptides. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto