Man

Alvaro Diaz Barrera

Profesor titular

P. UNIVERSIDAD CATÓLICA DE VALPARAÍSO

valparaiso, Chile

Líneas de Investigación


Cultivos celulares; Ingeniería de fermentaciones; biopolimeros microbianos

Educación

  •  Biotecnología, Universidad Nacional Autónoma de México. México, 2007

Experiencia Académica

  •   Profesor Adjunto Full Time

    PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO

    Chile

    2008 - A la fecha

Experiencia Profesional

  •   Profesor Asociado

    Pontificia Universidad Católica de Valparaíso

    Chile

    2008 - Sin Información

  •   Director Departamento de Ciencias

    Universidad de Viña del Mar

    Chile

    1999 - 2004


 

Article (33)

Bacterial alginate-based hydrogel reduces hydro-mechanical soil-related problems in agriculture facing climate change
Current progress on the biodegradation of synthetic plastics: From fundamentals to biotechnological applications
Composition control of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) copolymerization by oxygen transfer rate (OTR) in Azotobacter vinelandii OPNA
Enhancing the mechanical and hydraulic properties of coarse quartz sand using a water‐soluble hydrogel based on bacterial alginate for novel application in agricultural contexts
Fruit residues as a sustainable feedstock for the production of bacterial polyhydroxyalkanoates
Increases in alginate production and transcription levels of alginate lyase (alyA1) by control of the oxygen transfer rate in Azotobacter vinelandii cultures under diazotrophic conditions
Molecular weight and guluronic/mannuronic ratio of alginate produced by Azotobacter vinelandii at two bioreactor scales under diazotrophic conditions
Obtaining Active Polylactide (PLA) and Polyhydroxybutyrate (PHB) Blends Based Bionanocomposites Modified with Graphene Oxide and Supercritical Carbon Dioxide (scCO(2))-Assisted Cinnamaldehyde: Effect on Thermal-Mechanical, Disintegration and Mass Transport Properties
Production of poly-3-hydroxybutyrate (P3HB) with ultra-high molecular weight (UHMW) by mutant strains of Azotobacter vinelandii under microaerophilic conditions
Accumulation of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) by Azotobacter vinelandii with different 3HV fraction in shake flasks and bioreactor
Biotransformation of poly(cis-1,4-isoprene) in a multiphase enzymatic reactor for continuous extraction of oligo-isoprenoid molecules
Differential Gene Expression and Allele Frequency Changes Favour Adaptation of a Heterogeneous Yeast Population to Nitrogen-Limited Fermentations
Productivity and scale-up of poly (3-hydroxybutyrate) production under different oxygen transfer conditions in cultures of Azotobacter vinelandii
Respiration in Azotobacter vinelandii and its relationship with the synthesis of biopolymers
Automatic Control for the Production of Alginate by Azotobacter Vinelandii
Coenzyme Q production by metabolic engineered Escherichia coli strains in defined medium
Poly(3-hydroxybutyrate) accumulation by Azotobacter vinelandii under different oxygen transfer strategies
Production and recovery of poly-3-hydroxybutyrate [P(3HB)] of ultra-high molecular weight using fed-batch cultures of Azotobacter vinelandii OPNA strain
Different responses in the expression of alginases, alginate polymerase and acetylation genes during alginate production by Azotobacter vinelandii under oxygen controlled conditions
Molecular mass of poly-3-hydroxybutyrate (P3HB) produced by Azotobacter vinelandii is influenced by the polymer content in the inoculum
Production of polyhydroxybutyrate (PHB) of high and ultra-high molecular weight by Azotobacter vinelandii in batch and fed-batch cultures
Application of a new model based on oxygen balance to determine the oxygen uptake rate in mammalian cell chemostat cultures
Poly-3-hydroxybutyrate production by Azotobacter vinelandii strains in batch cultures at different oxygen transfer rates
Batch production of coenzyme Q10 by recombinant Escherichia coli containing the decaprenyl diphosphate synthase gene from Sphingomonas baekryungensis
Endoplasmic Reticulum-Associated rht-PA Processing in CHO Cells: Influence of Mild Hypothermia and Specific Growth Rates in Batch and Chemostat Cultures
Evaluation of Gene Expression and Alginate Production in Response to Oxygen Transfer in Continuous Culture of Azotobacter vinelandii
Production of alginate by Azotobacter vinelandii grown at two bioreactor scales under oxygen-limited conditions
Alginate production and alg8 gene expression by Azotobacter vinelandii in continuous cultures
Simultaneous environmental manipulations in semi-perfusion cultures of CHO cells producing rh-tPA
Continuous cultures for alginate production by Azotobacter vinelandii growing at different oxygen uptake rates
Manipulating the molecular weight of alginate produced by Azotobacter vinelandii in continuous cultures
Alginate molecular mass produced by Azotobacter vinelandii in response to changes of the O-2 transfer rate in chemostat cultures
Relationship between tissue plasminogen activator production and specific growth rate in Chinese Hamster Ovary cells cultured in mannose at low temperature

Abstract (2)

Temperature effect on recombinant protein production in continuous cultures of methylotrophic yeast Pichia pastoris: a comparative study of sorbitol and glycerol as a co-substrate
Simultaneus effect of low temperatures and mannose concentration on CHP cells cultures producing rh-tPA

Proyecto (10)

Development a bioprocess to produce alginate=> scaling and its potential application as an edible films.
Producción de bioplástico para ser usado en la elaboración de un envase activo.
DESARROLLO DE UN PROCESO DE ESCALAMIENTO PARA LA PRODUCCIÓN DE BIOPLÁSTICOS BACTERIANOS
Generación de un biopolímero de origen microbiano con posibilidad de ser utilizado en una matriz de un envase para alimentos
IDENTIFICATION OF NATURAL GENETIC VARIANTS UNDERLYING NITROGEN ASSIMILATION DIVERSITY IN YEAST
STRAIN AND PROCESS DEVELOPMENT FOR COENZYME Q PRODUCTION IN ESCHERICHIA COLI
Desarrollo de un bioproceso para producir PHB=> desde el ADN al biorreactor
Desarrollo de una tecnología sustentable para la generación de plásticos biodegradables mediante el aprovechamiento de residuos o subproductos agroindustriales
Continuous production of bacterial alginate=> understanding the role of oxygen supply conditions on its biosynthesis
Producción de alginatos bacterianos por fermentación=> desarrollo de estrategias de cultivo celular y escalamiento para la producción de alginatos con composición química definida para ser usado en aplicaciones industriales específicas

Review (4)

Bacterial alginate production: an overview of its biosynthesis and potential industrial production
Alginate biosynthesis in azotobacter vinelandii: Overview of molecular mechanisms in connection with the oxygen availability
Role of oxygen in the polymerization and de-polymerization of alginate produced by Azotobacter vinelandii
Biotechnological uses of Azotobacter vinelandii: Current state, limits and prospects
35
Alvaro Diaz

Profesor titular

P. UNIVERSIDAD CATÓLICA DE VALPARAÍSO

valparaiso, Chile

11
Julio Berrios

Académico Full-time

Facultad de Ingeniería

PONTIFICIA UNIVERSIDAD CATÓLICA DE VALPARAÍSO

Valparaíso, Chile

7
CLAUDIA ALTAMIRANO

PROFESOR TITULAR

FACULTAD DE INGENIERÍA

PONTIFICIA UNIVERSIDAD CATÓLICA DE VALPARAÍSO

VALPARAISO, Chile

7
Claudia Altamirano

Profesor Titular

Facultad de Ingeniería

PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO

Valparaíso, Chile

4
Viviana Urtuvia

Postdoctorado - Escuela de Ingeniería Bioquímica

PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO

valparaiso, Chile

3
Mauricio Vergara

Researcher

Escuela Ingenieria Bioquimica

Pontificia Universidad Católica de Valparaíso

Valparaiso, Chile

2
Irene Martínez

Associate Professor

Departamento de Ingeniería Química, Biotecnología y Materiales

Universidad de Chile

Santiago, Chile

1
Silvana Becerra

Jefe de Desarrollo Tecnológico

Dirección de Innovación

Universidad de los Andes

Santiago, Chile

1
Felipe Guevara

Subdirector de Investigación, Desarrollo e Innovación

Subdirección de Investigación, Desarrollo e Innovación

Universidad Central de Chile

Santiago, Chile

1
Cristian Acevedo

Researcher

Biotechnology

UNIVERSIDAD TÉCNICA FEDERICO SANTA MARÍA

Valparaiso, Chile

1
Carolina Villegas

Profesora Adjunto y Postdoctoral Research Fondecyt

Ciencia y Tecnología de los Alimentos

Universidad de Santiago de Chile

Santiago, Chile

1
Alejandra Torres

Academica Jornada Completa

Ciencia y Tecnologia de los Alimentos

UNIVERSITY OF SANTIAGO DE CHILE

Santiago, Chile

1
Cristian Valdés

Posdoctorado

Vicerrectoría de Investigación

Universidad Católica del Maule

Talca, Chile

1
Julio Bruna

Academico

Departamento de Ciencias y tecnologia de alimentos

UNIVERSIDAD DE SANTIAGO DE CHILE

Santiago, Chile

1
ABEL GUARDA

Full Professor

Food Science and Technology Department

UNIVERSIDAD DE SANTIAGO DE CHILE

Santiago, Chile