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Pedro Luis Valencia Araya

Research Associate

UNIVERSIDAD TÉCNICA FEDERICO SANTA MARÍA

Valparaíso, Chile

Líneas de Investigación


reactores enzimaticos; cinetica enzimatica; modelamiento matematico de bioprocesos; inmovilizacion de enzimas,

Educación

  •  Biochemical Engineering, PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO. Chile, 2010
  •  Biochemical Engineering, PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO. Chile, 2002
  •  Biochemist, PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO. Chile, 1999
  •  Biochemist, PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO. Chile, 1999

Experiencia Académica

  •   Professor Part Time

    PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO

    Science

    Valparaíso, Chile

    2004 - 2009

  •   Research Associate Full Time

    UNIVERSIDAD TECNICA FEDERICO SANTA MARIA

    Valparaíso, Chile

    2010 - At present

  •   Professor Part Time

    Universidad Santo Tomás

    Viña del Mar, Chile

    2004 - 2009

Experiencia Profesional

  •   Professional practice Other

    BASF Chile, Concón

    Concón, Chile

    1997 - 1997

  •   Chemical Analyst Full Time

    Laboratorio Ambiental del Seremi de Salud y Medio Ambiente Viña del Mar-Quillota

    Viña del Mar, Chile

    2002 - 2003

  •   Clinical Analyst Full Time

    Laboratorio Clínico de la Dirección de Atención Primaria (DAP), Corporación Municipal Viña del Mar

    Viña del Mar, Chile

    2003 - 2004

  •   Part time professor Part Time

    Universidad Santo Tomás

    Viña del Mar, Chile

    2004 - 2009

  •   Part time professor Part Time

    Pontificia Universidad Católica de Valparaíso

    Valparaíso, Chile

    2004 - 2009

  •   Research Associate Full Time

    Universidad Técnica Federico Santa María

    Valparaíso, Chile

    2010 - At present

Formación de Capital Humano


Thesis tutorial: Evaluación de diseños experimentales para la determinación de parámetros cinéticos de la hidrólisis enzimática de proteínas, Departamento de Ingeniería Química, UTFSM.
Thesis tutorial: Determinación del perfil aminoacídico del hidrolizado de músculo de salmón mediante método OPA, Departamento de Ingeniería Química, UTFSM.
Thesis tutorial: Correlación de propiedades funcionales y parámetros de operación de hidrolizados enzimáticos de músculo de salmón: solubilidad y capacidad antioxidante, Departamento de Ingeniería Química, UTFSM.
Thesis tutorial: Inmovilización de levadura como estrategia para la producción de vino reducido en alcohol, Departamento de Ingeniería Química, UTFSM.
Thesis tutorial: Inmovilización de fructosiltransferasa para la síntesis de fructoligosacáridos, Departamento de Ingeniería Química, UTFSM.
Thesis tutorial: Correlación de propiedades funcionales y parámetros de operación de hidrolizados enzimáticos de músculo de salmón: inhibición de ACE y capacidad emulsionante, Departamento de Ingeniería Química, UTFSM.
Thesis tutorial: Evaluación técnico-económica de la operación de un reactor enzimático para la hidrólisis de proteínas de subproductos de la industria pesquera, Departamento de Ingeniería Química, UTFSM.
Thesis tutorial: Optimización de la operación de un reactor enzimático para la hidrólisis de lactosa en leche, Departamento de Ingeniería Química, UTFSM.
Thesis tutorial: Optimización de la inmovilización de fructosiltransferasa, Departamento de Ingeniería Química, UTFSM.
Thesis tutorial: Optimización multi-objetivo de las propiedades funcionales de hidrolizados de proteína, Departamento de Ingeniería Química, UTFSM.


Premios y Distinciones

  •   Henri Nestle

    NESTLE CHILE S.A.

    Chile, 2013

    Research projects award in the field of fedd, nutrition and health to improve the health and wellness of chilean people.

  •   Conicyt Doctoral Scholarship

    COMISION NACIONAL DE INVESTIGACION CIENTIFICA Y TECNOLOGICA

    Chile, 2007

    Scholarship for doctoral students.

  •   International stay grant

    FUNDACION ANDES

    Chile, 2008

    Stay at the CSIC Madrid, BIocatalysis Laboratory

  •   Best graduated

    PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO

    Chile, 2000

    Award for the best graduated student in Biochemistry.

  •   Intercampus scholarship

    AGENCIA ESPANOLA DE COOPERACION INTERNACIONAL

    Chile, 1998

    Stay at the Department of Chemistry of the Oviedo University, Oviedo, Spain.


 

Article (45)

Application of CO<sub>2</sub>-Laser Micro-Perforation Technology to Freeze-Drying Whole Strawberry (<i>Fragaria ananassa Duch</i>.): Effect on Primary Drying Time and Fruit Quality
Enzymatic Hydrolysis of Salmon Frame Proteins Using a Sequential Batch Operational Strategy: An Improvement in Water-Holding Capacity
Fish Bones as Calcium Source: Bioavailability of Micro and Nano Particles
Valorization of the Salmon Frame as a High-Calcium Ingredient in the Formulation of Nuggets: Evaluation of the Nutritional and Sensory Properties
Effect of Adding Bovine Skin Gelatin Hydrolysates on Antioxidant Properties, Texture, and Color in Chicken Meat Processing
Enhancing the enzymatic nitrogen recovery from salmon frame proteins: Sequential batch strategy
Mathematical modeling to estimate furan formation in thermally processed foods: A preliminary analysis considering carrots as a model food
Modeling Tool for Studying the Influence of Operating Conditions on the Enzymatic Hydrolysis of Milk Proteins
Valorization of the By-products of Poultry Industry (Bones) by Enzymatic Hydrolysis and Glycation to Obtain Antioxidants Compounds
Assessing the Enzymatic Hydrolysis of Salmon Frame Proteins through Different By-Product/Water Ratios and pH Regimes
Characterization and Production of a Polyhydroxyalkanoate from Cassava Peel Waste: Manufacture of Biopolymer Microfibers by Electrospinning
Development of an <i>Araucaria araucana</i> Beer-like Beverage: Process and Product
Native Yeasts and Lactic Acid Bacteria Isolated from Spontaneous Fermentation of Seven Grape Cultivars from the Maule Region (Chile)
Recycling and Conversion of Yeasts into Organic Nitrogen Sources for Wine Fermentation: Effects on Molecular and Sensory Attributes
Water-holding capacity of enzymatic protein hydrolysates: A study on the synergistic effects of peptide fractions
Bovine skin gelatin hydrolysates as potential substitutes for polyphosphates: The role of degree of hydrolysis and pH on water-holding capacity
Collagen as a source of bioactive peptides: A bioinformatics approach
Effects of Enzymatic Hydrolysis on the Functional Properties, Antioxidant Activity and Protein Structure of Black Soldier Fly (Hermetia illucens) Protein
Enzyme Bioprospection of Marine-Derived Actinobacteria from the Chilean Coast and New Insight in the Mechanism of Keratin Degradation in Streptomyces sp. G11C
Estimating the Product Inhibition Constant from Enzyme Kinetic Equations Using the Direct Linear Plot Method in One-Stage Treatment
Freeze-Drying of Blueberries: Effects of Carbon Dioxide (CO2) Laser Perforation as Skin Pretreatment to Improve Mass Transfer, Primary Drying Time, and Quality
Prediction of the Limiting Flux and Its Correlation with the Reynolds Number during the Microfiltration of Skim Milk Using an Improved Model
Recent advances and perspectives of ultrasound assisted membrane food processing
An inverse problem for an immobilized enzyme model
Dehydration of salmon (Atlantic salmon), beef, and apple (Granny Smith) using Refractance window (TM): Effect on diffusion behavior, texture, and color changes
Estimation of the Effectiveness Factor for Immobilized Enzyme Catalysts through a Simple Conversion Assay
Proteolytic susceptibility of food by-product proteins: An evaluation by means of a quantitative index
Application of the median method to estimate the kinetic constants of the substrate uncompetitive inhibition equation
Calculation of statistic estimates of kinetic parameters from substrate uncompetitive inhibition equation using the median method
Industrial and Therapeutic Enzymes: Penicillin Acylase
Technical feasibility of using glucose oxidase as a pre-fermentation treatment to produce low-alcohol wine
Analysis of the operational strategies for the enzymatic hydrolysis of food proteins in batch reactor
Novel modeling methodology for the characterization of enzymatic hydrolysis of proteins
Study of effect of sodium alginate on potato starch digestibility during in vitro digestion
Identification of the key mechanisms involved in the hydrolysis of fish protein by Alcalase
Theoretical analysis of intrinsic reaction kinetics and the behavior of immobilized enzymes system for steady-state conditions
Kinetic Parameter Determination for Enzyme Hydrolysis of Fish Protein Residue Using D-optimal Design
Batch reactor performance for the enzymatic synthesis of cephalexin: influence of catalyst enzyme loading and particle size
Effect of Internal Diffusional Restrictions on the Hydrolysis of Penicillin G: Reactor Performance and Specific Productivity of 6-APA with Immobilized Penicillin Acylase
Diffusional restrictions in glyoxyl-agarose immobilized penicillin G acylase of different particle size and protein loading
Effect of particle size distribution on the simulation of immobilized enzyme reactor performance
Evaluation of the incidence of diffusional restrictions on the enzymatic reactions of hydrolysis of penicillin G and synthesis of cephalexin
Temperature effect on heterogeneous enzyme catalyzed reaction:Thièle modulus and effectiveness factor analysis
Are bioleaching rates determined by the available particle surface area concentration?
Optimization of pulp density and particle size in the biooxidation of a pyritic gold concentrate by Sulfolobus metallicus

Abstract (4)

Batch reactor performance for enzymatic synthesis of cephalexin: influence of catalyst enzyme loading and particle size
Modelling of protein hydrolysis kinetic: algorithms and software
Effect of enzyme inactivation on kinetic parameters of immobilized penicillin G acylase in the hydrolysis of penicillin G
Effect of internal diffusional restrictions on kinetic parameters of hydrolysis of penicillin G and synthesis of cephalexin with immobilized penicillin acylase

Proyecto (20)

Enabling time-reduced freeze-drying processing: novel combination of Optical fiber technology, CO2-laser micro-perforation and aggressive processing through optimal control
Hydrocolloid-based edible coatings as strategy to produce healthier French-fries options
Engineering, nutritional and organoleptic study in the incorporation of Salmon-frame calcium as nano-bone particles into commercial products: Enhanced functionality of Salmon fillets
Guía para la utilización del debate científico como herramienta de aprendizaje para el desarrollo de habilidades de pensamiento de orden superior en estudiantes de enseñanza general básica
MINIMIZATION OF FURAN FORMATION IN THERMALLY PROCESSED BABY FOODS THROUGH DIFFERENT OPTIMIZATION TECHNIQUES: CONSTANT AND VARIABLE RETORT TEMPERATURE AND PACKAGE DESIGN
Elaboración de ingrediente alimenticio a partir de levaduras provenientes de la fermentación alcohólica
A novel combination of technologies, Freeze-drying and CO2-laser perforation, to reduce drying-time and energy consumption of berries freeze-drying processing=> optimization through a descriptive mathematical model
Enzymatic membrane reactor for the hydrolysis of proteins from fish byproducts
Evaluación de extractos naturales provenientes de bacterias marinas como alternativa para la innovación de procesos en la industria de alimentos=> Aplicación de alto impacto en la inocuidad alimentaria y la preservación medioambiental
Problemas inversos en sistemas de reacción de enzimas inmovilizadas
Aprovechamiento integral en el proceso de vinificación
Modelo tecnológico y logístico para la utilización integral de residuos de la pesca artesanal
EVALUACIÓN DE ESTRATEGIAS MICROBIOLÓGICAS, ENZIMÁTICAS Y OPERACIONALES PARA LA PRODUCCIÓN DE VINO REDUCIDO EN ALCOHOL
ATTAINING LOW-SALT SHELF-STABLE FOODS THROUGH INJECTION OF BY-PRODUCTS PROTEIN HYDROLYSATE=> EFFECT ON DRAINED WEIGHT, QUALITY AND OVERALL PRODUCTIVITY OF POUCH-PACKED SALMON.
Optimización del envasado en atmósfera modificada para alimentos que respiran
FUNCTIONAL PROPERTIES OF SALMON (SALMO SALAR) MUSCLE HYDROLYSATES=> MULTIOBJECTIVE OPTIMIZATION
EFFECT OF DIFFUSIONAL RESTRICTIONS ON THE REACTIONS OF HYDROLYSIS AND SYNTHESIS OF BETA-LACTAM ANTIBIOTICS WITH IMMOBILIZED PENICILLIN ACYLASE
DESARROLLO DE UN PROCESO PARA LA BIOOXIDACION CONTINUA DE CONCENTRADOS REFRACTARIOS DE ORO MEDIANTE EL TERMOFILO EXTREMO SULFOLOBUS METALLICUS
INFLUENCIA DE AGENTES FISICOQUIMICOS SOBRE LA INTERACCION LIPIDOPROTEINA EN MODELOS Y MEMBRANAS
ADAPTACION A LA ALTURA. ROL DE MEMBRANAS Y DE RADICALES LIBRES DEL OXIGENO

Review (2)

Nutritional Properties of Fish Bones: Potential Applications in the Food Industry
Variable Retort Temperature Profiles (VRTPs) and Retortable Pouches as Tools to Minimize Furan Formation in Thermally Processed Food
53
Pedro Valencia

Research Associate

Chemical Engineering

UNIVERSIDAD TÉCNICA FEDERICO SANTA MARÍA

Valparaíso, Chile

13
Andrés Illanes

Profesor Títular

Escuela de Ingeniería Bioquímica

Pontificia Universidad Católica de Valparaíso

Valparaíso, Chile

13
Lorena Wilson

ESCUELA DE INGENIERIA BIOQUIMICA, PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO

Valparaiso, Chile

6
Helena Nuñez

Research Assistant

Chemical and Environmental Engineering Department

UNIVERSIDAD TÉCNICA FEDERICO SANTA MARÍA

Valparaíso, Chile

6
Ricardo Simpson

Professor

Chemical and Environmental Engineering Department

UNIVERSIDAD TÉCNICA FEDERICO SANTA MARÍA

VALPARAISO, Chile

4
MARLENE PINTO

Scientific assitance

Chemical and Environmental Department

UNIVERSIDAD TÉCNICA FEDERICO SANTA MARÍA

Valparaíso, Chile

4
Carolina Astudillo

Profesora Adjunta

Escuela de Alimentos

PONTIFICIA UNIVERSIDAD CATÓLICA DE VALPARAÍSO

Valparaíso, Chile

3
Cristian Ramírez

Associated researcher

Chemical and Environmental Engineering Department

UNIVERSIDAD TECNICA FEDERICO SANTA MARIA

Valparaiso, Chile

3
Carmen Soto

Researcher

CENTRO REGIONAL DE ESTUDIOS EN ALIMENTOS SALUDABLES/ PUCV

Valparaiso, Chile

2
Constanza Cárdenas

Associate Researcher

Nucleo Biotecnologia Curauma

PONTIFICIA UNIVERSIDAD CATÓLICA DE VALPARAÍSO

Valparaíso, Chile

2
Suleivys Nuñez

Investigador en Proyecto Anillo

Departamento de Ingeniería Química y Ambiental

Universidad Técnica Federico Santa María

Valparaíso, Chile

2
Andrés Córdova

Researcher

PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO

Valparaíso, Chile

1
Fanny Guzman

Investigador Senior

Núcleo de Biotecnología Curauma

Pontificia Universidad Católica de Valparaiso

Valparaiso, Chile

1
María Vargas

Postdoctoral

Departamento de Química

Laboratorio de Microbiología Molecular y Biotecnología Ambiental

Valparaíso, Chile

1
Beatriz Cámara

Associate Investigator

Departamento de Química/Centro de Biotecnología Daniel Alkalay

UNIVERSIDAD TÉCNICA FEDERICO SANTA MARÍA

Valparaíso, Chile

1
René Ruby

Researcher

UNIVERSIDAD TECNOLOGICA METROPOLITANA

San Joaquín, Chile

1
Alberto Mercado

Associate Professor

Departamento de Matemática

UNIVERSIDAD TÉCNICA FEDERICO SANTA MARÍA

Valparaíso, Chile

1
Ivan Cornejo

Academic Instructor

Chemical and Enviromental Engineering

Universidad Técnica Federico Santa María

valparaiso, Chile

1
Wendy Franco

Assistant Professor

Ingenieria Quimica y Bioprocesos

Pontificia Universidad Catolica de Chile

Santiago, Chile

1
Oscar Romero

Investigador Postdoctoral

Escuela de Ingeniería Bioquímica

Pontificia Universidad Católica de Valparaíso

Valparaíso, Chile

1
Sergio Benavides

Director del Nucleo

Ciencias de la Ingeniería

Universidad Adventista de Chile

Chillán, Chile

1
Cristian Acevedo

Researcher

Biotechnology

UNIVERSIDAD TÉCNICA FEDERICO SANTA MARÍA

Valparaiso, Chile

1
Alejandra Urtubia

Associate Professor

Chemical and Environmental Engineering

Universidad Técnica Federico Santa María

Valaparaiso, Chile

1
Yunesky Masip

Profesor ADJUNTO

PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO

Quilpue, Chile

1
Javier Silva

Profesor Adjunto

Escuela de Ingeniería Química

Pontificia Universidad Católica de Valparaíso

Valparaíso, Chile

1
Alejandro Angulo

Académico

Ingeniería Eléctrica

UNIVERSIDAD TECNICA FEDERICO SANTA MARIA

Valparaiso, Chile

1
Ernesto Pino

Académico

Escuela de Ingeniería Química

Pontificia Universidad Católica de Valparaíso

Valparaíso, Chile

1
Fernando Salazar

Full professor

Pontificia Universidad Católica de Valparaíso

Valparaíso, Chile