Search Results - "Romero Bohórquez, Arnold R"

Photoinduced [4 + 2]-cycloaddition reactions of vinyldiazo compounds for the construction of heterocyclic and bicyclic rings by Bao, Ming, Bohórquez, Arnold R Romero, Arman, Hadi, Doyle, Michael P

“…Highly selective formal [4 + 2]-cycloaddition of vinyldiazoacetates with azoalkenes from α-halohydrazones, as well as with cyclopentadiene and furan, occurs…”
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Photophysical characterization and in vitro anti-leishmanial effect of 5,10,15,20-tetrakis(4-fluorophenyl) porphyrin and the metal (Zn(II), Sn(IV), Mn(III) and V(IV)) derivatives by Espitia-Almeida, Fabián, Díaz-Uribe, Carlos, Vallejo, William, Gómez-Camargo, Doris, Bohórquez, Arnold R. Romero, Zarate, Ximena, Schott, Eduardo

“…In this report 5 compounds were synthesized and structural and their photophysical characterization was performed (Φ Δ and Φ f ). Furthermore, in this in vitro…”
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Prosopis juliflora Seed Waste as Biochar for the Removal of Blue Methylene: A Thermodynamic and Kinetic Study by Diaz-Uribe, Carlos, Walteros, Luis, Duran, Freider, Vallejo, William, Romero Bohórquez, Arnold R.

“…In this work, we studied the methylene blue (MB) dye adsorption capacity on biochar derived from residues of Prosopis juliflora seed waste, a species found in…”
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Tetrahydroquinoline-Isoxazole/Isoxazoline Hybrid Compounds as Potential Cholinesterases Inhibitors: Synthesis, Enzyme Inhibition Assays, and Molecular Modeling Studies by Rodríguez Núñez, Yeray A, Gutíerrez, Margarita, Alzate-Morales, Jans, Adasme-Carreño, Francisco, Güiza, Fausto M, Bernal, Cristian C, Bohórquez, Arnold R Romero

“…A series of 44 hybrid compounds that included in their structure tetrahydroquinoline (THQ) and isoxazole/isoxazoline moieties were synthesized through the…”
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Tetrahydroquinoline/4,5‐Dihydroisoxazole Molecular Hybrids as Inhibitors of Breast Cancer Resistance Protein (BCRP/ABCG2) by Vesga, Luis C., Kronenberger, Thales, Tonduru, Arun Kumar, Kita, Diogo Henrique, Zattoni, Ingrid Fatima, Bernal, Cristian Camilo, Bohórquez, Arnold R. Romero, Mendez‐Sánchez, Stelia Carolina, Ambudkar, Suresh V., Valdameri, Glaucio, Poso, Antti

“…Multidrug resistance (MDR) is one of the major factors in the failure of many chemotherapy approaches. In cancer cells, MDR is mainly associated with the…”
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Synthesis and Characterization of New Nanohybrids Based on Carboxymethyl Scleroglucan and Silica Nanoparticles by Castro, Rubén H, Corredor, Laura M, Burgos, Isidro, Llanos, Sebastián, Franco, Camilo A, Cortés, Farid B, Idrobo, Eduardo A, Bohórquez, Arnold R Romero

“…In this study, two new nanohybrids (NH-A and NH-B) were synthesized through carbodiimide-assisted coupling. The reaction was performed between…”
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Experimental Investigation of the Viscosity and Stability of Scleroglucan-Based Nanofluids for Enhanced Oil Recovery by Castro, Rubén H, Corredor, Laura M, Llanos, Sebastián, Causil, María A, Arias, Adriana, Pérez, Eduar, Quintero, Henderson I, Romero Bohórquez, Arnold R, Franco, Camilo A, Cortés, Farid B

“…Biopolymers emerge as promising candidates for enhanced oil recovery (EOR) applications due to their molecular structures, which exhibit better stability than…”
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Photophysical study and in vitro approach against Leishmania panamensis of dicloro-5,10,15,20-tetrakis(4-bromophenyl)porphyrinato Sn(IV) [version 3; peer review: 2 approved] by Espitia-Almeida, Fabián, Diaz-Uribe, Carlos, Vallejo, William, Gómez-Camargo, Doris, Romero Bohórquez, Arnold R, Linares-Flores, Cristian

“…Background: Photodynamic therapy activity against different biological systems has been reported for porphyrins. Porphyrin modifications through peripheral…”
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Oil Displacement Efficiency of a Silica/HPAM Nanohybrid by Corredor, Laura M, Ruiz-Cañas, María C, Rojas, Jorge A, Llanos, Sebastián, Castro-García, Rubén-Hernán, Quintero, Henderson I, Manrique, Eduardo, Romero Bohórquez, Arnold R

“…In this study, the surface of silica nanoparticles (NPs) synthesized using the Stöber method was modified with 3-aminopropyltriethoxysilane and hydrolyzed…”
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Photodynamic effect of 5,10,15,20-tetrakis(4-carboxyphenyl)porphyrin and (Zn2+ and Sn4+) derivatives against Leishmania spp in the promastigote stage: experimental and DFT study by Espitia-Almeida, Fabián, Díaz-Uribe, Carlos, Vallejo, William, Peña, Orlando, Gómez-Camargo, Doris, Bohórquez, Arnold R. Romero, Zarate, Ximena, Schott, Eduardo

“…In this work, we synthesized the meso -(aryl) porphyrin derivative 5,10,15,20-tetrakis(4-carboxyphenyl)porphyrin (TCPP) and two meso -(aryl) metalloporphyrins,…”
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Versatile and mild HCl-catalyzed cationic imino Diels-Alder reaction for the synthesis of new tetrahydroquinoline derivatives by Bohórquez, Arnold R. Romero, Romero-Daza, Jorge, Acelas, Mauricio

“…A simple, inexpensive, and mild one-pot methodology for the synthesis of novel 4-aryl-3-methyl-1,2,3,4-tetrahydroquinolines derivatives using aqueous HCl as…”
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Morphological and Structural Properties of Amino-Functionalized Fumed Nanosilica and Its Comparison with Nanoparticles Obtained by Modified Stöber Method by Ruiz-Cañas, María C, Corredor, Laura M, Quintero, Henderson I, Manrique, Eduardo, Romero Bohórquez, Arnold R

“…In industry, silica nanoparticles (NPs) are obtained by the fuming and the precipitation method. Fumed silica NPs are commonly used in the preparation of…”
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An efficient synthesis of new C-2 aryl substituted quinolines based on three component imino Diels-Alder reaction by Kouznetsov, Vladimir V, Bohórquez, Arnold R Romero, Saavedra, Luis Astudillo, Medina, Ricardo Fierro

“…New effective approach to the synthesis of a wide variety of C-2 nitro or aminophenyl substituted quinolines was reported using diverse intermediate…”
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In Vitro Anti-Leishmanial Effect of Metallic Meso-Substituted Porphyrin Derivatives against Leishmania braziliensis and Leishmania panamensis Promastigotes Properties by Espitia-Almeida, Fabian, Díaz-Uribe, Carlos, Vallejo, William, Gómez-Camargo, Doris, Romero Bohórquez, Arnold R

“…In this study, a family of porphyrins based on 5,10,15,20-Tetrakis(4-ethylphenyl)porphyrin ( , Ph) and six metallo-derivatives (Zn ( , Ph-Zn), Sn ( , Ph-Sn),…”
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New Nanohybrid Based on Hydrolyzed Polyacrylamide and Silica Nanoparticles: Morphological, Structural and Thermal Properties by Ruiz-Cañas, María C, Quintero, Henderson I, Corredor, Laura M, Manrique, Eduardo, Romero Bohórquez, Arnold R

“…In this study, a set of advanced characterization techniques were used to evaluate the morphological, structural, and thermal properties of a novel molecular…”
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Carboxymethyl Scleroglucan Synthesized via O -Alkylation Reaction with Different Degrees of Substitution: Rheology and Thermal Stability by Castro, Rubén H, Burgos, Isidro, Corredor, Laura M, Llanos, Sebastián, Franco, Camilo A, Cortés, Farid B, Romero Bohórquez, Arnold R

“…This paper presents the methodology for synthesizing and characterizing two carboxymethyl EOR-grade Scleroglucans (CMS-A and CMS-B). An -Alkylation reaction…”
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Novel N-allyl/propargyl tetrahydroquinolines: Synthesis via Three-component Cationic Imino Diels-Alder Reaction, Binding Prediction, and Evaluation as Cholinesterase Inhibitors by Rodríguez, Yeray A., Gutiérrez, Margarita, Ramírez, David, Alzate-Morales, Jans, Bernal, Cristian C., Güiza, Fausto M., Romero Bohórquez, Arnold R.

“…New N‐allyl/propargyl 4‐substituted 1,2,3,4‐tetrahydroquinolines derivatives were efficiently synthesized using acid‐catalyzed three components cationic imino…”
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Rock–Oil–Brine Dominant Mechanisms in Smart Water Flooding by Maya, Gustavo, Carreño Otero, Aurora L., Monares Bueno, Fabián L., Romero Bohórquez, Arnold R., Cortés, Farid B., Franco, Camilo A., Manrique, Eduardo

“…Recent research has highlighted wettability alteration as the main consequence of the different mechanisms involved in technologies such as adjusted brine…”
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Cyanobacterial Biomass as a Potential Biosorbent for the Removal of Recalcitrant Dyes from Water by Diaz-Uribe, Carlos, Angulo, Barni, Patiño, Karen, Hernández, Vincent, Vallejo, William, Gallego-Cartagena, Euler, Romero Bohórquez, Arnold R., Zarate, Ximena, Schott, Eduardo

“…The accumulation of cyanobacteria produced due to eutrophication processes and the increment of different pollutants in water as a result of industrial…”
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Evaluation of the Thermal, Chemical, Mechanical, and Microbial Stability of New Nanohybrids Based on Carboxymethyl-Scleroglucan and Silica Nanoparticles for EOR Applications by Castro, Rubén H, Corredor, Laura M, Llanos, Sebastián, Rodríguez, Zully P, Burgos, Isidro, Niño, Jhorman A, Idrobo, Eduardo A, Romero Bohórquez, Arnold R, Zapata Acosta, Karol, Franco, Camilo A, Cortés, Farid B

“…Scleroglucan (SG) is resistant to harsh reservoir conditions such as high temperature, high shear stresses, and the presence of chemical substances. However,…”
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