Roopesh Syamaladevi, PhD

Area of Study / Keywords

Agri-food process engineering atmospheric cold plasma UV LED 3D printing of foods microbial decontamination plant protein processing wastewater treatment

About

Education

Ph.D. in Biological and Agricultural Engineering (Food Engineering) (2012) 

Washington State University, Pullman, WA, USA 

Research

Antimicrobial Applications of Atmospheric Cold Plasma

• Plasma activated air, water, micro/ultrafine (nano) bubbles, and mist
• Microbial decontamination
• Inactivation of microbial biofilms in the processing environment

Micro/Ultrafine (Nano) Bubble Technologies

• Microbial biofilm inactivation
• Water treatment

Agricultural and Environmental Applications of Atmospheric Cold Plasma

• Seed decontamination and germination improvement
• Mycotoxin degradation
• Plasma activated water as a green fertilizer and sanitizer for greenhouse and indoor farming - hydroponics and aquaponics

Sanitation, Disinfection & Cleaning in Food Processing Industry

• Conventional antimicrobial interventions (e.g., peracetic acid, lactic acid, citric acid, hydrogen peroxide, dry heat, quats)
• Cold plasma and UV based hybrid treatment development with conventional antimicrobial interventions

Agri-Food Processing & Engineering

• Low-moisture food safety engineering
• 3D printability of plant proteins, carbohydrates, and fibers
• Plant protein and carbohydrate particle formation (gels, powders, emulsions) and functionality improvement (e.g., peas, canola, lentil, faba bean, etc.)
• Conventional agri-food process intensification and development of novel extraction, homogenization, and drying processes

Wastewater Treatment

• Atmospheric cold plasma bubble technology development
• Treatments using ultraviolet and blue light pulses emitted from LEDs
• Microbial decontamination
• Degradation of antibiotics and pesticides in wastewater

UV LED applications

• Microbial decontamination
• Water treatment

Lab Website: Food Safety and Sustainability Engineering (FSSE) research group

Teaching

NU FS 311 Introduction to Food Processing (Winter 2017, 2018, 2019, 2020)

NU FS 490 Innovations in Food Science (Fall 2016, 2017, 2018, 2019)

NUFS 403/AFNS 503 Processing of Milk and Dairy Products (Fall 2017, 2018)

AFNS 500 Individual Study (Winter & Fall 2017)

Graduate Training Opportunities

Not currently accepting new student/research assistant applications

NU FS 311 - Introduction to Food Processing

An introduction to unit operations involved in food processing. Topics include moisture control and dehydration, high and low temperature operations, separation processes and other novel food processing techniques. Prerequisite: NU FS 372 or NU FS 373.

NU FS 353 - Unit Operations in Food Processing

Processes used in food manufacturing. Refrigeration, evaporation, sedimentation, centrifugation, filtration, and contact-equilibrium separation methods. Prerequisite: NU FS 283.

Browse more courses taught by Roopesh Syamaladevi