Search Results - "Gómez, Leissy"

Amperometric Biosensor for Hydrogen Peroxide, Using Supramolecularly Immobilized Horseradish Peroxidase on the β-Cyclodextrin-Coated Gold Electrode by Camacho, Conrado, Matías, Juan C., Chico, Belkis, Cao, Roberto, Gómez, Leissy, Simpson, Benjamin K., Villalonga, Reynaldo

“…Horseradish peroxidase, previously modified with 1‐adamantane moieties, was supramolecularly immobilized on gold electrodes coated with perthiolated…”
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Impact of supramolecular interactions of dextran-β-cyclodextrin polymers on invertase activity in freeze-dried systems by Santagapita, Patricio R., Mazzobre, M. Florencia, Buera, M. Pilar, Ramirez, Héctor L., Brizuela, Leissy Gómez, Corti, Horacio R., Villalonga, Reynaldo

“…β‐Cyclodextrin (β‐CD)‐grafted dextrans with spacer arms of different length were employed to evaluate the impact of supramolecular interactions on invertase…”
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Immobilization of chitosan-modified invertase on alginate-coated chitin support via polyelectrolyte complex formation by Gómez, Leissy, Ramírez, Hector L., Villalonga, Maria L., Hernández, Junior, Villalonga, Reynaldo

“…Saccharomyces cerevisiae invertase was chemically modified with chitosan and further immobilized on sodium alginate-coated chitin support. The yield of…”
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Structure/Function Relationships of Several Biopolymers as Related to Invertase Stability in Dehydrated Systems by Santagapita, Patricio R, Brizuela, Leissy Gómez, Mazzobre, M. Florencia, Ramirez, Héctor L, Corti, Horacio R, Santana, Reynaldo Villalonga, Buera, M. Pilar

“…Structure/function relationships of different biopolymers (alginate, dextran, or β-cyclodextrin) were analyzed as single excipients or combined with trehalose…”
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Transglutaminase-catalyzed site-specific glycosidation of catalase with aminated dextran by Valdivia, Aymara, Villalonga, Reynaldo, Pierro, Prospero Di, Pérez, Yunel, Mariniello, Loredana, Gómez, Leissy, Porta, Raffaele

“…An enzymatic approach, based on a transglutaminase-catalyzed coupling reaction, was investigated to modify bovine liver catalase with an end-group aminated…”
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Preparation and functional properties of trypsin modified by carboxymethylcellulose by Villalonga, Reynaldo, Villalonga, Maria L, Gómez, Leissy

“…Trypsin from bovine pancreas was modified by the polyaldehyde derivative of carboxymethylcellulose (CMC) via reductive alkylation with NaBH 4. The modified…”
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Thermal stabilization of trypsin with glycol chitosan by Fernández, Leyden, Gómez, Leissy, Ramírez, Héctor L, Villalonga, Maria L., Villalonga, Reynaldo

“…Glycol chitosan was evaluated as thermoprotectant additive for trypsin in aqueous solutions. Maximal stabilization was achieved by using a polymer/protein…”
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Transglutaminase-catalysed glycosidation of trypsin with aminated polysaccharides by Villalonga, Maria L, Villalonga, Reynaldo, Mariniello, Loredana, Gómez, Leissy, Pierro, Prospero Di, Porta, Raffaele

“…Dextran (MW=7.2x10⁴), carboxymethylcellulose (MW=2.5x10⁴, substitution degree=0.7) and Ficoll (MW=6.9x10⁴) were derivatized with 1,4-diaminobutane and…”
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Impact of supramolecular interactions of dextran-[beta]-cyclodextrin polymers on invertase activity in freeze-dried systems by Santagapita, Patricio R, Mazzobre, M Florencia, Buera, M Pilar, Ramirez, Héctor L, Brizuela, Leissy Gómez, Corti, Horacio R, Villalonga, Reynaldo

“…[beta]-Cyclodextrin ([beta]-CD)-grafted dextrans with spacer arms of different length were employed to evaluate the impact of supramolecular interactions on…”
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Polyelectrolyte complex formation mediated immobilization of chitosan-invertase neoglycoconjugate on pectin-coated chitin by GOMEZ, Leissy, RAMIREZ, Hector L, NEIRA-CARRILLO, Andronico, VILLALONGA, Reynaldo

“…Saccharomyces cerevisiae invertase, chemically modified with chitosan, was immobilized on pectin-coated chitin support via polyelectrolyte complex formation…”
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β-Cyclodextrin modifications as related to enzyme stability in dehydrated systems: Supramolecular transitions and molecular interactions by Santagapita, Patricio R., Brizuela, Leissy Gómez, Mazzobre, M. Florencia, Ramírez, Héctor L., Corti, Horacio R., Santana, Reynaldo Villalonga, Buera, M. Pilar

“…The effect of β-cyclodextrin modifications (polymerization (PCD) and later carboxymethylation (CMPCD)) on their action as enzyme stabilizers was analyzed…”
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Glycosidation of trypsin with end-group activated dextran by Hernández, Karel, Fernández, Leyden, Gómez, Leissy, Villalonga, Reynaldo

“…A monoaminated dextran derivative was attached to trypsin via a carbodiimide-catalyzed reaction. The modified enzyme contained 3 mol of polysaccharide per mol…”
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Functional stabilization of invertase by covalent modification with pectin by GOMEZ, L, VILLALONGA, R

“…Pectin was attached to ethylenediamine-activated carbohydrate moieties of invertase using 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide as coupling agent. The…”
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Pharmacokinetics and Stability Properties of Catalase Modified with Water-Soluble Polysaccharides by Valdivia, Aymara, Pérez, Yunel, Gómez, Leissy, Ramírez, Hector L., Schacht, Etienne H., Villalonga, Reynaldo

“…Bovine liver catalase (EC 1.11.1.6) was chemically modified with mannan, carboxymethylcellulose, and carboxymethylchitin. The enzyme retained about 48–97% of…”
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Stabilization of invertase by modification of sugar chains with chitosan by GOMEZ, L, RAMIREZ, H. L, VILLALONGA, R

“…Chitosan was linked to invertase by covalent conjugation to periodate-activated carbohydrate moieties of the enzyme. The thermostability of modified enzyme was…”
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Pectinase Immobilization on a Chitosan-Coated Chitin Support by Ramirez, Hector L., Gómez Brizuela, Leissy, Úbeda Iranzo, Juan, Arevalo-Villena, María, Briones Pérez, Ana Isabel

“…Pectinase extracted from Aspergillus niger was immobilized on a chitosan‐coated chitin support using various methods: immobilization by adsorption (P‐QQSA),…”
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Immobilization of Chitosan-Invertase Neoglycoconjugate on Carboxymethylcellulose-Modified Chitin by Gómez, Leissy, Ramírez, Hector L., Villalonga, Reynaldo

“…Saccharomyces cerevisiae invertase, chemically modified with chitosan, was immobilized on a carboxymethylcellulose-coated chitin support via polyelectrolyte…”
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Stabilization of α-amylase by chemical modification with carboxymethylcellulose by Villalonga, Reynaldo, Gómez, Leissy, Ramírez, Hector L, Villalonga, Maria L

“…Carboxymethylcellulose activated by periodate oxidation was covalently linked to porcine pancreatic α‐amylase (EC 3.2.1.1). The specific activity of the…”
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Comparison of economic indicators of the sucrose acid inversion or by enzymatic hydrolysis by Leissy Gómez-Brizuela, Jesús Luis-Orozco, Héctor L Ramírez-Pérez, Mario Yll-Lavín, Santiago Díaz-Suarez, Georgina Michelena-Álvarez, Julio C Dustet-Mendoza

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Inmovilizacion de celulasa sobre una matriz de quitina-quitosana by Romo, Sheila, Camacho, Conrado, Gómez, Leissy, Villalonga-Santana, Reynaldo, Ubeda-Iranzo, Juan, Arevalo-Villena, María, Briones-Pérez, Ana Isabel, Ramírez, Héctor L

“…Celulasa suministrada por la firma Biochemika fue inmovilizada sobre un soporte de quitina-quitosana mediante el empleo de la absorción física y el enlace…”
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