Lab Equipment

    Digestor Distilling Unit  Dynamic Stress Rheometer Genetic Analyzer
    PCR Particle Size Analyzer QuickSCAN Texture Analyzer
    Formagraph DSC 2920 Ultracentrifuge GCMS- Gas Chromatograph/Mass Spectrometer with head space sampler
    HPLC- High Performance Liquid Chromatography Capillary Electrophoreses FPLC- Fast Performance Liquid Chromatography Digital Imager
    Microscope SCFE- Super Critical Fluid Extraction Elisa Plate Reader Differential Scanning Colorimeter
    Lazer Tweezers Rotary Evaporator Sonic Dismembrator Automated Electrophoresis

     

    Experion Automated Electrophoresis Station

    Performs all of the steps of gel-based electrophoresis in one compact, durable unit. It automates analysis by combining electrophoresis, staining, destaining, band detection, and imaging into a single, 30 minute step. It's an electrophoresis cell, power supply, and imager built into a single device.

    Laser Tweezers

    General Description:Also known as optical tweezers, they use a strongly focused laser beam to trap small particles and objects within the beam. The laser tweezers can manipulate individual cells and similarly sized bits of matter and measure the forces involved with great precision. Measuring the interactions of the particles accurately is important to assess their function.

    Fisher Scientific Sonic Dismembrator 500

    Designed to mix, disperse, emulsify and homogenize liquid samples. Advanced circuitry provides regulation to the tip for a variety of applications.

    Tecator 2020 Digestor

    General Description: A block digestion system for Kjeldahl nitrogen analysis.

    Specifications: The digestor operates from 100 – 440 oC, and can digest up to 20 samples at once.

    Tecator Kjeltec System 1026 Distilling Unit

    General Description: A steam distillation system for Kjeldahl nitrogen analysis.

    Specifications: Operates in either manual or automatic mode. Dispenses water (for sample dilution) and alkali into sample. Generates steam and injects it into sample during distillation. Condenses distillate and collects it in the receiver flask.

    Rheometric Scientific SR-5000
    Dynamic Stress Rheometer

    General Description: The Dynamic Stress Rheometer is a controlled stress rheometer used to characterize properties of materials in either melt or fluid form.

    Specifications: Applies either dynamic or linear stress to the sample and measures strain. Analyzes applied stress and resulting strain to calculate material properties.

    310 Genetic Analyzer

    General Description:
    High throughput DNA Sequencing-gene or chromosome sequencing and species identification. Nucleic acid technology allows knowledge of the complete community composition and structure involved with food systems. Allows a wide range of applications including DNA sequencing and species identification. 
    PCR

    General Description:
    thermal cycler for rapid and sensitive dectection method for microorganisms in food systems. Wide range of applications including DNA characterization, bacteria identification and determination, gene manipulation.

    Beckman Coulter LS 230
    Particle Size Analyzer

    General Description: The LS 230 utilizes laser diffraction (light scattering) to determine particle size distributions in fluid and dried samples.

    Specifications: Measures particles in the ranges 0.04 to 2000 microns for fluids and 0.4 to 2000 microns for powders.

    Beckman Coulter QuickSCAN

    General Description: The QuickSCAN is a liquid dispersion optical characterization instrument.

    Specifications: Analyses stability and instability of concentrated liquid dispersions (emulsions, suspensions, and foams). Detects physical destabilization phenomena (creaming, sedimentation, coalescence, and flocculation) using the multiple light scattering principle of measurement.

    Texture Technologies / Stable Micro Systems TA.XT2 Texture Analyzer

    General Description: The TA.XT2 is a portable, single-column, bench-mounted, microprocessor-controlled texture analysis system.

    Specifications: Measures force, distance, and time to provide three-dimensional product analysis. Determines force from 0.1 g to 5 kg. Measures distance from 0.1 to 295 mm. Operates at a speed range of 0.1 to 10 mm/sec.

    Foss Type 11700 Formagraph

    General Description: The instrument is used for the evaluation of cheese process parameters.

    Specifications: Records firmness/time graphs for coagulating milk, with a capacity of 20 samples/hour.

    TA Instruments DSC 2920

    General Description: The DSC 2920 determines the temperature and heat flow associated with material transitions as a function of time and temperature.

    Specifications: Provides quantitative and qualitative data on endothermic and exothermic processes of materials during physical transitions caused by heat-related changes. The DSC has a temperature range from room temperature to 725ºC.

    Ultracentrifuge

    General Description: Beckman L7-35. Used to generate centrifugal forces for the separation of particles such as sedimentation of milk and cellular components.

    Specifications:Speed: 1000 to 35000 rpm in increments of 1000 rpm. br>
    Temperature Range: 0ºC to ambient.

    Time: Up to 9 hours 59 minutes or hold.

    GCMS- Gas Chromatograph/Mass Spectrometer with head space sampler

    General Description: The TurboMass™ Mass Spectrometer is a sophisticated benchtop mass spectrometric detector that provides you with the simple tools needed to perform routine gas chromatography/mass spectrometry (GM/MS) analyses as well as the sophisticated tolls needed to perform the more complex analyses. Turbo Mass can run analyses that best characterize your sample by using either the electron ionization (EI) mode or chemical ionization (CI) mode.

    HPLC- High Performance Liquid Chromatography

    General Description: peptide analysis from cheese ripening

    Capillary Electrophoreses

    General Description: CE is a powerful analytical technique currently used for the identification and separation of proteins, peptides, and organic acids.

    FPLC- Fast Performance Liquid Chromatography

    General Description: for separation analysis and isolation of proteins, peptides, and lipids from milk, whey and dairy products

    Digital Imager

    General Description: Digital imager for quantification and record keeping of dairy product sample structure and composition

     

     

     

    Microscope

    General Description: Contrast phase microscope for analysis of microorganisms, spores, and cells.

     

     

     

     

     

     

    Super Critical Fluid Extraction

    General Description: Pilot plant system designed for extraction of samples of up to 500 ml. Wide range of conditions are possible and is used for optimizing extraction processes.

     

     

     

     

    Elisa Plate Reader

    General Description: UV-Spectrometer plate reader can analyze multiple samples at once. Utilized for antibody and enzymatic assays for milk product component analysis or microbiological safety.

     

     

    Ultra Scan XE Spectrophotometer

    General Description:This insturment can be used to measure virtually any kind of product. Opaque and translucent materials can be placed at the reflectance port on the front of the sensor for measurement of reflected color. Transparent samples such as films and liquids can be placed in the transmission compartment for measurement of transmitted color.

     

    Rotary Evaporator

    Rotary evaporators are used to remove solvents from reaction mixtures and can accommodate volumes as large as 3 liters. It has a heatable water bath to keep the solvent from cooling or even freezing during the evaporation process. The solvent is removed under vacuum, is trapped by a condenser and is collected for easy reuse or disposal.

    Karl Fisher Titration System

    Used for moisture determination of water (total moisture, bound and free water) in many low moisture foods such as chocolate, dried fruits and vegetables or any low moisture food high in sugar or protein such as lactose powder and milk powders. The method is quite rapid and sensitive and uses no heat.

    Other:

  • Pulsed field gel electrophoresis for DNA-based differentiation of probiotic lactic acid bacteria
  • Gel electrophoresis acrylamide for analysis of proteins and peptides--native, denaturing, urea, gradient and two-dimensional
  • Preparative isoelectric focusing for isolation and characterization of proteins
  • Gel densitometer (individual protein concentration determination)
  • Membrane transfer platform for Northern, Southern and Western blots of RNA, DNA and protein analysis and identification
  • Dot blot instrument for antibody and enzyme quantification and titration
  • Pilot plant scale affinity chromatography column-large scale-up of laboratory affinity chromatography procedures
  • Pre-coat filter system for removal of particulates from liquid streams like skim milk, whey or permeate
  • Fatty Acid Methyl Ester Analysis (FAME)-used to determine strain relatedness of microorganisms significant to dairy/food industries
  • Terminal Restriction Fragment Polymorphism (TRFP)-characterization of changes in microbial communities
     
DPTC Contact Information
Dairy Products Technology Center
California Polytechnic State University
San Luis Obispo, CA 93407
Phone: (805) 756-6101 Fax:(805) 756-2998