PLEASE NOTE! Cherney Microbiological Services website will be moved to Matrix Sciences. Check out their website here!

Matrix Sciences
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Cherney Microbiological Services, LTD.

Headquartered in Green Bay, Wisconsin, we find ourselves deeply interwoven in the heart of America's Dairyland. As of May 2021, Cherney became a part of Matrix Sciences International Inc. to better serve our valued clients and to expand our lab testing capabilities.
Learn More About Our Services Below!
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Microbiological Services

 From A to Z, we have a vast number of microbiological tests to run for your product.
 
Click on the DNA Helix above to learn more!
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Analytical/Chemical Services

Looking to ensure your product does not contain too much fat or enough calcium? We have the testing for you!
 
Click on the beaker above to learn more! 
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Proficiency Programs

 Need to ensure your technicians are precise and accurate with your internal results? Participate in our Proficiency Programs!
 
Click the pages above to learn more!
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Webinars

Unable to travel for in-person training courses? Easy fix!
 
Click on the computer above to see some of our recorded Webinars!
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Blogs

Looking for a good read? Our team provides education and informative blogs on a regular basis.
 
Click the image above to learn more! 
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Cherney College

 Looking to continue your team's education? We provide in-person courses with subject matter relevant to your business
 
Click on the student above to learn more!
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Projects/Consultation

 Need to perform a shelf-life study, or stress test a new product? Our team can help you set it up and run it through.
 
Click the eye glass above to learn more!
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Full Nutritional Testing

 Have a new product that needs a Nutritional Panel performed? Not a problem!
 
Click on the image above to learn more!

Have a question and not able to give us a call?

Check out our FAQ pages! These are resources to help answer questions you may have.

FAQ List
 
 

If your question is not there, but feel it should be - do not hesitate to let us know! We are happy to add it to our list. 

Check out our Latest Webinar!

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Serial Dilutions/Understanding Results:

Precision Matters!

Recorded Webinar

Aerobic Plate Count (APC) Allergens (Milk, Peanut and Gluten) Anaerobic Plate Count Ash % Bacillus cereus (B. cereus) Bile Tolerant Gram Negative Brix Sugar Calories Candida albicans Carbohydrates Calculation Cholesterol Clostridium perfringens (C. perfringens) Coliforms (Total Coliforms) Consistency Cronobacter sakazakii (C. sak) D(-) & L(+) Lactic Acid Determination Element Determination: Calcium Element Determination: Iron Element Determination: Magnesium Element Determination: Potassium Element Determination: Sodium Enterobacteriaceae (EB) Escherichia coli (E. coli) Fat %: Butterfat Babcock) Fat %: Mojonnier Fat %: Dry Basis Fecal Coliform Fatty Acid Profile Full Nutritional Analysis Gluconic Acid % Kjeldahl Protein %* Lactobacillus Bacteria Lactic Acid Bacteria Lactose/D-galactose Determination Listeria genus Listeria monocytogenes Mesophilic Sporeformers Moisture % (Forced Air & Vacuum Oven) Mold Natamycin Testing (Spectrophotometric & HPLC) pH Determination Phosphatase (Fast Alkaline) Potassium Sorbate/Sodium Benzoate (HPLC) Protein Dry Basis % Pseudomonas species Salmonella genus Salt % Staphylococcus aureus Staphylococcus enterotoxin Sulfite Reducing Bacteria Thermoduric Aerobic Bacteria Thermophilic Bacteria Thermophilic Sporeformers Titratable Acidity Total Aerobic Microbial Count (TAMC) Total Combined Yeast & Mold (TCYM) Total Solids Total Sugars (Fructose, Galactose, Glucose, Lactose, Maltose, Sucrose) Vitamin D ( D2, D3 and Total D) Water Activity Yeast.

Cherney Microbiological Services, Ltd. is an ISO 17025:2017 accredited testing laboratory through the American Association for Laboratory Accreditation (A2LA).  Accreditation is highly regarded both nationally and internationally as a reliable indicator of technical competence and demonstrates Cherney's commitment to customer service and quality.  As the only science-based, woman-owned business enterprise in Wisconsin to achieve this respected benchmark, we are proud of our team's accomplishments. 

Cherney's proficiency programs are ISO 17043:2010 accredited through the American Association for Laboratory Accreditation (A2LA).   This accreditation complements the ISO 17025 testing accreditation demonstrates the competence of the program schemes. 

Headquartered in Green Bay, Wisconsin, we find ourselves deeply interwoven in the heart of America's Dairyland.  Our roots took shape in the Green Bay Chamber of Commerce Incubator close to Lambeau Field.  Over the next 10 years, we grew and relocated to the east side of Green Bay in 2000. The new site started with 8,000 square feet of laboratory and office space.  In the fall of 2011, we again expanded, adding 15,000 square feet, tripling the size of the laboratory and adding dedicated space for a training center, a lab for special projects and office space for administrative needs.  

Cherney's Proficiency Programs
 
Programs run quarterly and are prorated if an individual chooses not to participate in all four quarters. Participants may analyze the test items for any, or all, of the tests specified for the given program.  Cherney will work with our customers to determine if their internal products and methods are comparable to our programs and matrices and help work through any troubleshooting that may arise. Should an unsatisfactory or unacceptable result be produced, customers may choose to participate in our Cherney Recheck program as well.
 
In 2014, our in-house training center was opened to customers and industry partners to fulfill founder Debra Cherney’s dream of providing answers and improvements to laboratories through information transfer and technical training. Following this vision of “Culturing Knowledge Through Training and Education”, our first course, Introduction to Food Microbiology – The Basics, a practical, hand-on workshop that incorporated lectures, demonstrations and lab activities, was created. Since then, Cherney has continued to expand, offering that meet a variety of different education needs.