Midwest Section of
AOAC INTERNATIONAL
2011 Annual Meeting & Expo
June 6 - 9, 2011
Lincoln, Nebraska
The 2011 Annual Meeting of the
Midwest Section of Association of Official Analytical Communities
Program

8:00 AM – 6:00 PM         Exhibitor Set-Up  

10:00 AM – 5:00 PM        Casper-Hefle Memorial Golf Outing
                         Yankee Hill Country Club
                        Sponsored and hosted by R-BioPharm
                        Contact: Sean Tinkey, 877-789-3033,
s.tinkey@r-biopharm.com

3:00 PM – 7:30 PM        REGISTRATION
                        
Outside the Lincoln Ballroom, near the Front Desk

5:00 PM – 6:00 PM        Midwest Section AOAC Board Meeting
                        Executive Board Room – lower level

6:30 PM – 9:00 PM        VENDORS' EXPOSITION and WELCOME RECEPTION  
                        Lincoln Ballroom
                        
See a List of Vendors


TUESDAY -  AM   June 7th, 2011  

6:30 AM – 9:30 AM        Breakfast Buffet (included in the room reservation)  
                       
 Red Onion Restaurant in the Hotel

7:00 AM – 11:30 AM        REGISTRATION
                        
Outside the Lincoln Ballroom, near the Front Desk

9:00 AM – 5:00 PM        VENDORS' EXPOSITION
                        Lincoln Ballroom
                         
See a List of Vendors

8:00 AM – 11:30 AM        WORKSHOP:  NFTA
                             University Room
                             Chair:  Ron Tombaugh, Dart Hay Service, Inc.

                         This workshop is a hands-on demonstration on collecting a forage sample and completing the analysis         
                         requested.  This workshop will take two days, one day to collect and test the sample, and on Wednesday you
                         will discuss  the results.
                        
                             8:00 AM        
Why Testing is Important
                                                  Dan Undersander, University of Wisconsin - Madison

                             8:30 AM        
Vitro Digestibility
                                                  David Combs, University of Wisconsin - Madison

                             9:00 AM        
Becoming a Certified Sampler
                                                  Tom Keene, University of Kentucky

                             9:30 AM        
Sample Collection Workshop
                                                  Kevin Grooms and NFTA Board Members
                                                  
Nebraska Department of Agriculture Parking Lot.


8:00 AM – 11:30 AM        SYMPOSIUM:  Tips and Trials of Pesticide/Contaminate Analysis Using LC/MS/MS and GC/MS/MS
                             Platte Room—lower level
                             
Chair:  Heidi Hickes, Montana Department of Agriculture

                             8:00 AM        
Tips and Trials of Pesticide Determinations by LC/MS/MS:  Montana Case Studies
                                                  with Glyphosate, Aminopyralid, and Sulfometuron Methyl
                                                  Heidi Hickes, Montana Department of Agriculture Analytical Laboratory  

                             8:30 AM        
Developing Multi-Residue Pesticide and Antibiotic Methods for Analysis by
                                                  MS/MS:  The Art of Chromatographic Give-and-Take
                                                  Lauryn Bailey, Ph.D., Eurofins Central Analytical Laboratories

                             9:00 AM        
An Overview of USDA PDP Pesticide Residue Studies on Various Food
                                                  Commodities Utilizing LC/MS/MS
                                                  Eric Petty, Colorado Department of Agriculture

                             
9:30 AM        BREAK
                                                 Lincoln Ballroom  

                             10:00 AM      
Minimal Sample Prep for Aqueous Environmental Sample Analysis: Combining
                                                  Direct Injection and LC/MS/MS Instrumental Analysis for Pesticide
                                                  Determinations in Water
                                                  Kelly A. Peterson, Colorado Department of Agriculture

                             10:30 AM      
Implementation of LC-MS/MS and GC-MS/MS Determination of Pesticides in
                                                  Foods and Feeds at the Food and Drug Administration
                                                  Chris A. Sack, U.S. Food and Drug Administration

                             11:00 AM      Panel Discussion

8:00 AM – 11:30 AM        SYMPOSIUM:  Updating AOAC Official Nutrition Methods in Concert with Changing Regulations
                                                    and Practices
                             Niobrara Room—lower level
                             Chairs: Jon DeVries & John Szpylka, Medallion Laboratories/General Mills
                
                             8:00 AM        Introduction
                                
                             8:05 AM        
Dietary Fiber - Updating the AOAC Official Methods in Line with CODEX
                                                  Adoption of a Definition   
                                                                                               
                                                  Jon DeVries, Medallion Laboratories/General Mills                                                 

                             8:35 AM        
Non-Digestible Oligosaccharides - Complex Testing Needs and Challenges
                                                  Garrett Zielinski, Covance Laboratories
                 
                             9:05 AM        
A Bird’s Eye View of the Statistics Generated During Validation of AOAC Dietary
                                                  Fiber Methods Over the Past Three Decades
                                                  Paul Wehling, Medallion Laboratories/General Mills

                             9:35 AM        
BREAK
                                                  Lincoln Ballroom

                             Update on Stakeholder Panel for Infant Formula and Adult Nutritionals (SPIFAN).
                             An enhanced scientific opportunity for AOAC members.

                             10:05 AM      
Establishing Standard Method Performance Requirements for Infant and Adult
                                                  Nutritionals
                                                  Arlene Fox, AOAC International

                             10:35 AM      
Method Requirements and Method Approaches for Vitamin A in Infant Formula
                                                  and Adult Nutritionals
                                                  Jon DeVries and Elliot McSherry

                             10:45 AM      
Method Requirements and Method Approaches for Vitamin E in Infant Formula
                                                  and Adult Nutritionals
                                                  Sneh Bandhari

                             10:55 AM      
Method Requirements and Method Approaches for Vitamin B12 in Infant Formula
                                                  and Adult Nutritionals
                                                  Ester Campos-Gimenez

                             11:05 AM      
Method Requirements and Method Approaches for Vitamin D in Infant Formula
                                                  and Adult Nutritionals
                                                  Don Gilliland

                             11:15 AM      
Method Requirements and Method Approaches for Folic Acid in Infant Formula
                                                  and Adult Nutritionals
                                                  John Szpylka

                             11:25 AM      
Method Requirements and Method Approaches for Inositol in Infant Formula and
                                                  Adult Nutritionals
                                                  Karen Schmipf

8:00 AM – 11:30 AM        SYMPOSIUM:  Vendor Presentations
                             
Arbor Room                     
                             Chair:  Tai Ha, Nebraska Department of Agriculture
                
                             8:00 AM        
Single Reaction Chamber Microwave Digestion for the Sample Preparation of
                                                  Feed and Fertilizer Samples Prior to Trace Metals Analysis
                                                  Karen Czerwinski, Milestone Inc.

8:00 AM – 12:00 AM        WORKSHOP:  Pesticide Formulations – Sample Collecting (part 1)
                             
Hamilton Hall, Room 312/313, UNL City Campus
                             Instructors:  Adrian Burns, EPA and Oliver Bennet, Kansas Department of Agriculture
                            
                             This workshop will be a hands-on demonstration on how to collect your analytical sample from
                             towelettes, spray cans, dust cans, and other dispensers.  This workshop will take 6-8 hours, continued
                             after lunch.

                             
Session one: Introduction to pesticide formulations -- what they are, what analysis questions need to be
                             answered, where to find reference chemicals, where to find methods,  etc.

                             
Session Two: Sampling of pesticide formulations – How to sample several types – Aerosols, Wet Wipes,
                             Cattle Mineral Blocks, etc.

                             
Session Three: Preparation of sample for analysis – Tank Mixes, Phase Over, Wettable Powders,
                             Emulsifiable Concentrates, etc

8:00 AM – 11:30 AM        Posters
                             Arbor Room

TUESDAY -  PM   June 7th, 2011

12:00 PM – 1:00 PM         LUNCH - News and Updates from AOAC INTERNATIONAL       
                             
Lincoln Ballroom

1:30 PM – 5:00 PM          WORKSHOP:  NFTA  
                             
Nebraska Department of Agriculture
                             Chair:  Ron Tombaugh, Dart Hay Service, Inc.

                             NFTA Board Members and others will process and analyze samples taken before lunch.

1:30 PM – 5:00 PM          SYMPOSIUM:  Food Allergens
                             
Niobrara Room-lower level
                             Chair:  Joe Baumert, Ph.D., University of Nebraska-Lincoln

                             1:30 PM        
Analytical Methods for Detection of Allergenic Residues: The Influence of
                                                  Processing on Detection and Risk Assessment
                                                  Joe Baumert, Ph.D., University of Nebraska - Lincoln

                             2:00 PM        
Swabs to Products – A Commentary on the Sensitivity of Allergen Swabs
                                                  Steve Taylor, Ph.D., University of Nebraska - Lincoln

                             2:30 PM        
The Use of ELISA Test Kits for Development and Validation of Gluten-Free
                                                  Programs
                                                  Scott Hegenbart, ConAgra Foods Inc.

                             
3:00 PM        BREAK
                                                        Lincoln Ballroom

                             3:30 PM        Presentations on New Product Developments from Allergen Detection Kit         
                                                  Manufacturers:
                                                  R-Biopharm – Sigrid Haas-Lauterbach, Ph.D.
                                                  Neogen Corporation – Tony Lupo
                                                  Romer Labs Inc. – Donna Houchins

1:30 PM – 5:00 PM          SYMPOSIUM:  Vendor Presentations                     
                             Arbor Room                                            
                             Chair:  Tai Ha, Nebraska Department of Agriculture

1:30 PM – 5:00 PM          WORKSHOP:  Pesticide Formulations – Sample Collecting (part 2)
                             Hamilton Hall, Room 312/313, UNL City Campus
                             Instructors:  Oliver Bennet, Kansas Department of Agriculture

                             
Session Four:  Wet chemical analysis --  Titration for chlorides, Bisdithiocarbamate method, Active         
                             chlorine pool chemicals, etc

                             
Session Five:  Instrumental analysis – Determination of several Chlorophenoxy Herbicides on LC/UV &
                             Pour-on style cattle insecticides on GC/FID

                             
Session Six:   Reporting results – What does the label say – What if your results don’t agree with the
                             label --Horowitz connection – Technical actives, multiple component actives, Reports - what style, etc.

1:30 PM – 5:00 PM          Posters
                             Arbor Room

6:30 PM – 9:00 PM          EVENING SOCIAL  
Dinner & tour of Memorial Stadium (Home of the Nebraska Cornhusker Football Team).  See registration desk for more information.

WEDNESDAY -  AM   June 8th, 2011

6:30 AM – 9:30 AM          Breakfast Buffet (included in the room reservation)  
                             
Red Onion Restaurant in the Hotel

7:00 AM – 11:30 AM         REGISTRATION
                             
Outside the Lincoln Ballroom, near the Front Desk

9:00 AM – 1:00 PM          VENDORS' EXPOSITION
                             Lincoln Ballroom
                             
See a List of Vendors

8:00 AM – 11:30 AM        SYMPOSIUM:  Safety
                             Missouri Room - lower level
                             Chair:  Pam Hendershot, PraxAir

                             8:00 AM        
Safely Using Compressed Gases and Cylinders
                                                  Pam Hendershot, PraxAir

                             8:30 AM        
Pesticide Safety for Lab Chemists
                                                  Clyde Ogg, University of Nebraska - Lincoln

                             9:00 AM        
Chemical Safety
                                                  Bryan Birdall, Honeywell Burdick & Jackson

                           
  9:30 AM        BREAK
                                                        Lincoln Ballroom

                             10:00 AM        Safety in the Work Place and When Out of the Laboratory
                                                    Tom Jensen, Nebraska Department of Agriculture

                             10:30 AM        
Eyewear Safety and Using the Correct Gloves
                                                    Fisher Scientific

                             11:00 AM        Panel Discussion        


8:00 AM – 11:30 AM        SYMPOSIUM:  Water/Waste Water
                             Niobrara Room - lower level      
                             Chair:  Dr. Edward F. Askew, Askew Scientific Consulting

                             8:00 AM      
  The New EPA Method Update Rule for Wastewater Analyses
                                                  Edward Askew, Askew Scientific Consulting  

                             8:45 AM       
 Application and Impacts of Water Quality Standards
                                                  John DeLashmit, United States Environmental Protection Agency Region 7

                             
9:30 AM        BREAK
                                                        Lincoln Ballroom

                             10:00 AM        Metal Speciation: Methods and Geochemical Applications
                                                    Anthony Bednar, US Army Corps of Engineers

                             10:45 AM        
Method for the Rapid Determination of 4-Methylimidazole in Food and Beverage
                                                    Products Using LC/MS/MS
                                                    Matthew Eckert, Covance Laboratories, Inc.

8:00 AM – 11:30 AM        SYMPOSIUM:  Feeds and Fertilizers
                             Platte Room - lower level
                             Chair:  Lawrence Novotny, Olson Agricultural Services Laboratory,  South Dakota State University

                             8:00 AM        
Single Laboratory Validation of Multitoxin Mycotoxin Method Using LC-MS/MS
                                                  Christy Brewe, Romer Labs

                             8:30 AM        
Progress Towards Validation of Test Methods for the Quantitation of Multiple
                                                  Mycotoxins in Animal Feeds and Animal Feed Ingredients:  An Update From the
                                                  Multi-Mycotoxin Working Group of the AAFCO Laboratory Methods and Services
                                                  Committee
                                                  Victoria Siegel, Office of Indiana State Chemist

                             9:00 AM        
Simple Sugars Not So Simple
                                                  Jeff Horst, Agri-King

                           
  9:30 AM        BREAK
                                                        Lincoln Ballroom        

                             10:00 AM        Analysis of Sugars in Feeds by HPLC with Post Column Derivatization and
                                                    Fluorescence Detection
                                                    Maria Ofitserova, Pickering Laboratories

                             10:30 AM        
Single-Laboratory Validation for the Quantification of Direct Available Phosphate
                                                    by Discrete Analyzer and Soluble Potash by ICP-AES in Fertilizers
                                                    Ryan Nimick, Olson Agricultural Analytical Services Lab

                             11:00 AM        Panel Discussion

8:00 AM – 11:30 AM        SYMPOSIUM:  Vendor Presentations                     
                             
Arbor Room
                             Chair:  Tai Ha, Nebraska Department of Agriculture
       
8:00 AM – 11:30 AM        Posters
                             Arbor Room

8:00 AM – 11:30 AM        DISPLAY:  National Guard HazMat Truck
                             Vehicle will be on display in the Holiday Inn parking garage.
                             See registration desk for exact location.

WEDNESDAY -  PM   June 8th, 2011

12:00 PM – 1:00 PM         LUNCH - Presentation on the AOAC Research Institute
                            
 Lincoln Ballroom

1:30 PM – 5:00 PM          SYMPOSIUM:  NFTA  
                             
University Room - main level
                             Chair:  Ron Tombaugh, Dart Hay Service, Inc.

                             1:30 PM         
Forage Variability and Multiple Sampling
                                                   Dave Mertens, USDA, ARS, United States Dairy Forage Research  

                             
3:00 PM         BREAK
                                                        Lincoln Ballroom

                             3:30 PM         NIR Analysis and Neighbor Distance               
                                                   John Shenk, Shenk Analytical International

                             4:00 PM         
A Portable NIR Instrument to Analyze Agricultural Products
                                                   John Shenk, Shenk Analytical International

1:30 PM – 5:00 PM          SYMPOSIUM:  Laboratory Accreditation  
                             Missouri Room - lower level
                             Chair:  Arlene Fox, AOAC International

                             1:30 PM        
A2LA:  Laboratory Accreditation: Preparation and Process for achieving ISO/IEC
                                                  17025
                                                  Roger Brauninger, American Association for Laboratory Accreditation

                             2:00 PM        
Lessons Learned from a Laboratory New to Accreditation
                                                  David Fall, Covance Laboratories, Inc.

                             2:30 PM        
You’ve Attained ISO 17025 Accreditation - Now What?  A Laboratory’s Perspective
                                                  John Szpylka and Melissa Graul, Medallion Laboratories/General Mills

                       
      3:00 PM        BREAK
                                                        Lincoln Ballroom

                             3:30 PM        ISO Guide 34, Certified Reference Material and What it Means for You
                                                  Tina Sobania, Microbiolgics, Inc.

                             4:00 PM      
  The Cost of Quality in the Laboratory
                                                   Irene G. Grabowski, Business Systems Solutions         

                             4:30 PM        
An Assessor’s View on the Challenges of Achieving Accreditation
                                                  Arlene Fox, AOAC International

1:30 PM – 5:00 PM          SYMPOSIUM:  Use of Rapid Assays for Water Monitoring  
                             Niobrara Room - lower level
                             Chair:  Daniel D. Snow, University of Nebraska–Lincoln, School of Natural Resources

                             1:30 PM        
Implementing Statewide Pesticide Monitoring Using Local Resources and
                                                  Immunoassay Methods
                                                  Craig Romary, Nebraska Department of Agriculture

                             2:00 PM        
Nebraska’s Toxic Algae Beach Monitoring Program Using the ELISA Procedure
                                                  John Lund, Nebraska Department of Environmental Quality

                             2:30 PM        
High-Performance Immunosorbents for the Selective Trace Analysis of  Emerging
                                                  Contaminants in Water
                                                  David S. Hage, Efthimia Papastavros, and Daniel D. Snow, University of Nebraska-Lincoln

                        
     3:00 PM        BREAK
                                                        Lincoln Ballroom

                             3:30 PM        Using the Citizen Scientist in First-Tier Environmental Screening:  Atrazine in the
                                                  Elkhorn River Watershed
                                                  Gwendolyn Ryskamp and Alan S. Kolok, University of Nebraska - Omaha

                             4:00 PM        
Small, Light, Cheap:  Mini Mobile Units in Environmental Bioassessment
                                                  Alan S. Kolok, University of Nebraska - Omaha

                             4:30 PM       
 PCR-Based Methods for Detection of Pathogenic and Fecal Indicator Bacteria
                                                  Lisa Durso, USDA - Agricultural Research Service

1:30 PM – 5:00 PM          SYMPOSIUM:  Mycotoxins in Food: A Continuing Challenge  
                             
Platte Room - lower level
                             Chairs:  Dr. Andreia Bianchini and Dr. Jayne Stratton, The Food Processing Center, University of
                             Nebraska- Lincoln, Nebraska

                             1:30 PM        
Deoxynivalenol and Related Compounds in Wheat - a Natural History and Future
                                                  Directions
                                                  Heather Hallen-Adams, Ph.D., University of Nebraska - Lincoln

                             2:00 PM        
Molecular Tools in Detection and Quantification of Mycotoxigenic Fungi
                                                  Anuradha Vegi, Ph.D., North Dakota State University

                             2:30 PM      
  Aflatoxin Analysis and Distribution of Aflatoxin Mass in Rice Milling Fractions
                                                  Mary Trucksess, Food and Drug Administration

                            
 3:00 PM        BREAK
                                                        Lincoln Ballroom

                             New Developments in Commercially Available Mycotoxin Detection Kits:        
                             3:30 PM        Vicam—a Waters Business
                             3:50 PM        Romer Labs
                             4:10 PM        R-Biopharm Group
                             4:30 PM        Neogen Corporation

1:30 PM – 5:00 PM      Posters
                             Arbor Room

1:30 PM – 5:00 PM      DISPLAY:  National Guard HazMat Truck
                             Vehicle will be on display in the Holiday Inn parking garage.
                             See registration desk for exact location.  

6:00 PM – 7:00 PM      Agriculture Community Meeting
                             Missouri Room – lower level

7:00 PM – 9:00 PM      Water and Waste Water Community Meeting
                             Executive Board Room - lower level        

              WORKSHOPS - Thursday / Friday

THURSDAY -  AM   June 9th, 2011

6:30 AM – 9:30 AM       Breakfast Buffet (included in the room reservation)  
                            
Red Onion Restaurant in the Hotel

8:00 AM - 12:00 PM      WORKSHOP:  Feed & Fertilizer Sample Preparation
                      Instructors:       Staff from South Dakota State University and Nebraska Department of Agriculture
                      Class size:        
20 or more
                      Location:          Holiday Inn - Lincoln Ballroom

                      This hands-on workshop will demonstrate techniques for the preparation of difficult feed matrixes, forage,
                      mycotoxins, and fertilizer samples.  An assortment of mills, sample splitters and mixing equipment will be
                      available. This workshop will take 4 hours.

8:00 AM - 12:00 PM      WORKSHOP:  Ion Selective Electrodes Analysis for Ammonia and Nitrate
                      Instructor:         Dr. Edward F. Askew, Askew Scientific Consulting
                      Class Size:       
10 - 12
                      Location:          Holiday Inn - Platte Room - lower level

                      This workshop will be a hands-on demonstration of EPA and Standard Methods for the Examination of Water
                      and Wastewater analytical methods for ion selective electrodes. This includes matrix effects troubleshooting
                      and current method update rule QA/QC requirements.  Participants will be trained to perform the methods
                      and troubleshooting.  This workshop will take 4 hours to complete.

8:00 AM - 12:00 PM      WORKSHOP:  Mycotoxin Analysis
                      Instructors:       Maria Ofitserova and Lazlo Torma, Pickering Laboratory
                      Class Size:       
12 or More
                      Location:          Food Industry Complex, Room 231, East Campus, UNL

                      This workshop will be a demonstration of the aflatoxin analysis utilizing the Pickering AcceClean workstation
                      for the immunoaffinity clean up and process and an explanation of AcceClean features.  The samples will be
                      analyzed on site, but results will be distributed after the workshop.  This workshop will take 4 hours.

THURSDAY -  ALL DAY  June 9th, 2011

9:00 AM - 12:00 PM      *WORKSHOP:  Fatty Acid Analysis in Animal Feeds (part 1)
                      Instructors:       Dr. Jana Kraft, University of Vermont, assisted by Dr. Don Palmquist, Ohio State University
                      Class Size:       
10  *If there are more than 10 registrants, the workshop will be repeated on Friday, June 10th.
                      Location:          Hamilton Hall, Room 312, UNL City Campus

                      This workshop will be a hands-on demonstration of the method developed by Dr. Kraft and Dr. Palmquist.  
                      Participants will be trained to perform the entire method.  Quantitation will be conducted by GC.  This               
                      workshop will take 6 hours to complete.

9:00 AM - 12:00 PM      *WORKSHOP:  Starch Analysis in Animal Feeds (part 1)                        
                      Instructor:         Dr. MaryBeth Hall, USDA- Agricultural Research Service
                      Class Size:       
10 – 12   *If there are more than 12 registrants, the workshop will be repeated
                                               on Friday, June 10th.
                      Location:          Hamilton Hall, Room 313, UNL City Campus

                      This workshop will be a hands-on demonstration of the method that will be undergoing an AOAC collaborative
                      study.  Participants will be trained to perform the method.  This workshop will take 6 hours to complete.

12:00 PM - 1:00 PM       LUNCH on your own

1:00 PM - 4:00 PM        *WORKSHOP:  Fatty Acid Analysis in Animal Feeds (part 2)

1:00 PM - 4:00 PM        *WORKSHOP:  Starch Analysis in Animal Feeds (part 2)        


FRIDAY -  ALL DAY   June 10th, 2011

                      *WORKSHOP:  Starch #2 (as above)

                      *WORKSHOP:  
Fatty Acid #2 (as above)

*One/both of these workshops will be added, if the number of registrants for Thursday, exceed the class size limit.


                                      Posters

SLV Results for the Determination of Direct Available Phosphorus and Soluble Potash in Commercial Fertilizers by ICP-
OES
William Hall, James Bartos, and Sanford Seigel

SLV Results for the Determination of the Total Phosphorus and Potassium Content in Commercial Fertilizers by ICP-OES
William Hall, Barton Boggs, James Bartos, and Sanford Seigel

A Novel High-Throughput Digestion Method for Elemental Quantification of Small Amounts of Biological Samples
John Harris and Christian Trampitsch

Comparison of Acid Hydrolysis for Amino Acid Testing in Animal Feed
John V. Simpson, Yan Zhang, Richard Cantrill, Amy Johnson, and Lars Reimann

Validation of On-site Rapid Methods for Food Allergen Management
Donna Houchins, Michael Prinster, Elisabeth Halbmayr-Jech, Jacqueline Coutts, Adrian Rogers, and Richard Fielder

Single Reaction Chamber Microwave Digestion for the Sample Preparation of Feed and Fertilizer Samples Prior to Trace
Metals Analysis
Karen Czerwinski

Combustion Method for Nitrogen/Protein Determination in Canned Meat as Alternative to Kjeldahl Method
Liliana Krotz, Walter Galotta, and Guido Giazzi

Fully Stable 13C-Labeled Internal Standards for Mycotoxin Analysis
Christina Brewe, Donna Houchins, Michael Prinster, Alois Schiessl, Gunther Jaunecker, and George Haubl

Using Lateral Flow Devices for Semi-Quantitative Analysis of GMOs
Donna Houchins and Michael Prinster

Glycoalkaloid Content in Pet Food by UPLC-Tandem Mass Spectrometry
Robert S. Sheridan and Jennifer L. Kemnah