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Science & Technology

Preclinical Drug Development

The drug development process is an iterative process. Each stage of development helps to ensure the final product is effective and safe. Preclinical drug development, often called preclinical studies, is the stage in the drug development process where the safety of...

US FDA Compliant Easter Egg Food Color Safety Testing

It's Easter weekend, and egg dyeing is in full force! Have you ever wondered about the food color safety testing of the easter egg dyes used on Easter eggs? Food coloring, dyes, and additives are regulated by the US Food and Drug Administration. Egg dye is a food...

Minnesota’s CHRi Labs is More than Chemical Bonds

There's a strong family bond at CHRi's labs! If your company is pharmaceutical related and in the Midwest USA, you may want to focus your microscope on CHRi Labs. This is especially true if you like a special sense of caring and hand-holding that comes from working...

CHRi is a family owned Food Laboratory

CDC Seasonal Influenza Death Estimate Increases

According to a new study based on data obtained from forty-seven countries performed by the US Center for Disease Control (CDC) and other global health agencies, estimates of flu-related deaths worldwide are higher than previously thought. The study suggests that...

Influenza Viron

Compounding Pharmacies | USP 797

Compounding pharmacies are pharmacies that create personalized medications by mixing ingredients based on a doctor's prescription in an effort to meet a person's needs. Though compounding pharmacies lost popularity in the 50s and 60s when mass drug manufacturing...

Pet Food Testing for Campylobacter

Pet food testing is common to ensure it is free of disease-causing organisms such as campylobacter. Campylobacter is a bacterial infection that causes food poisoning that is somewhat common in puppies. It is estimated that as many as 49 percent of dogs carry the...

Food Allergy Testing

According to the FDA, food allergies are becoming a more common occurrence with symptoms ranging from mild hives to severe anaphylaxis. Symptoms of a food allergy can show up within a few minutes of eating or up to two hours later. The 8 most common foods to cause...

ELISPOT Assays

Enzyme-linked immunospot (ELISPOT) assays are widely used for monitoring cellular immune responses and have been used in the diagnosis of tuberculosis and in monitoring the body's tolerance to grafts and transplants. Similar to ELISA, ELISPOT combines immunoassay...

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Endocrinology Hormone Testing

Endocrinology hormone testing is important to determine the functioning of the endocrine system.  Endocrinology is the study of the endocrine system, the collection of hormone producing glands responsible for regulating metabolism, reproduction, sleep, mood, tissue...

Urine Drug Toxicology Testing

Most drug toxicology testing is performed on urine samples, as most drugs are broken down and excreted through urine. Testing can also be done on blood, however, concentrations of drugs are usually higher in urine and testing is less invasive, faster, and cheaper....

REACH Registration of Consumer Products

What is REACH registration, and what type of testing must be done for REACH registration? REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) is a regulation set forth by the European Union, that began in 2007. It was started as a way to...

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