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FAQs
ImmunoassaysWhat kind of sample type can be used with the kit I purchased?Each type of kit has been validated for the sample types indicated in its protocol. All other sample types would have to be validated internally. Please contact ALPCO's product support team for further information regardi...
Tips & Tricks
The Enzyme-Linked Immunosorbent Assay (ELISA) is a proven sensitive method for detecting and quantifying specific biomarkers in a wide range of clinical and research samples. The accuracy and precision of ELISAs can be affected by many factors, including pipetting, washing, and sample-handling techn...
Explore ALPCO's Diverse Products for Gastroenterology Research
Explore ALPCO's Diverse Products for Gastroenterology Research  AGA Guidelines: Calprotectin and C-Reactive Protein Monitoring for the Management of Crohn’s Disease   Download our infograhpic prepared by ALPCO and gain a comprehensive overview of the American Gastroenterological Association ...
Platforms
Our platforms offer walk-away, sample-to-answer solutions for life science research, clinical research, and diagnosticsALPCO is a global leader in platforms for immunodiagnostics and molecular diagnostics. Our proprietary automated sample-to-answer solutions provide efficiency and ease-of-use for th...
Vasopressin: An Important Biomarker for Water Metabolism & Sleep Research
ALPCO is pleased to announce the addition of two new radioimmunoassays (RIA) to measure vasopressin. The Vasopressin RIA and the Vasopressin Direct RIA. Both assays were originally developed by BÜHLMANN Laboratories. After optimization for greater ease-of-use, they are now offered by NovoLytiX G...
CisBio's Chromoa® Chromogranin A ELISA
Chromoa® The Chromoa® Chromogranin A ELISA from Cisbio Bioassays is for the quantitative determination of CgA in serum and plasma. The patented monoclonal detection system provides superior specificity, sensitivity and reproducibility to determine elevated serum CgA levels. Above all, the hook effe...
Stool-Based Biomarkers to Differentiate Between IBD and IBS
What are IBD and IBS? Inflammatory bowel disease (IBD) and irritable bowel syndrome (IBS) are two different gastrointestinal tract issues affecting millions of people every day. Although there is some overlap between symptoms of IBD and IBS, differences still remain in regards to pathologies, risks...
An Accurate Solution to the Challenges with Measuring GLP-1
Glucagon-like peptide-1 (GLP-1) is a gut hormone which plays an essential role in insulin secretion and glucose homeostasis1. While GLP-1 has become central to many metabolic disease research programs, various GLP-1 ELISA kits currently available on the market have been failing to meet the needs of ...
How DPP-4 Complicates Measuring GLP-1 Accurately
We know that the proper collection and handling of samples is vital for eliminating analytical variability and improving accuracy when measuring active GLP-1 (7-36) amide. ALPCO is here to help your lab reduce technical errors and improve assay results when running the STELLUX® Chemi Active GLP-1...
ALPCO Releases a New Broad Range Periostin ELISA
ALPCO is now offering a new broad range Periostin ELISA that has been optimized to detect all known splicing forms of human periostin. The Periostin ELISA is highly characterized with a full validation package, and offers great reproducibility and precision. Not only are all standards and controls i...
Iron Regulation and Homeostasis: Kits to Study Regulatory Proteins
Iron Homeostasis Iron is a trace element required for several critical cellular processes. Too little iron (anemia) or too much iron (iron overload) can be harmful. While there is no known mechanism for the controlled excretion of excess iron, a handful of regulatory proteins control the absorpti...
6 Tips for Improving Chemiluminescence ELISA Precision
Chemiluminescence ELISA technology offers enhanced sensitivity with a very broad dynamic range. However, consistency in assay technique is especially important to ensure optimal performance from day-to-day and operator-to-operator. The following six tips may help to improve intra-assay and inter-ass...
The Generation and Function of Active GLP-1
The Generation and Function of Active GLP-1 Active glucagon-like peptide-1 (GLP-1) is a member of the incretin hormone family and is generated as a result of post translational modifications during proglucagon processing1,2. Active GLP-1 plays a key role in the incretin effect and is vital for main...
Differentiating Gastrointestinal Pathogens from IBD and IBS
Gastrointestinal (GI) disorders such as inflammatory bowel disease (IBD) and irritable bowel syndrome (IBS), as well as infections from GI pathogens can present very similar symptoms. A host of tests have been developed to aid in the differentiation between IBD and IBS, such as calprotectin and lact...
Investigating Bioactive Leptin in Obesity Research
The Biology of Leptin Leptin is a hormone composed of 167 amino acids and is primarily produced by adipocytes, therefore providing a signal to the energy state of organisms. By binding to the leptin receptor, the analyte influences activity within the JAK-STAT pathway and thereby regulates energy m...
Terminal Complement Complex (TCC) ELISA Now Available
ALPCO now offers an ELISA to measure the concentration of TCC (sC5b-9) levels in human plasma; an essential step to evaluate whether foreign materials in contact with blood are triggering an immune response. The Complement TCC ELISA is easy-to-use with a 2-hour incubation and reflects complement act...
How to Properly Collect and Handle GLP-1 Samples
We know that the proper collection and handling of samples is vital for accurately measuring GLP-1. ALPCO is here to help your lab reduce technical errors and improve assay results when running the STELLUX® Chemi Active GLP-1 (7-36) amide ELISA. Watch our video to learn how to properly collect...
ELISAs for CHO Host Cell Proteins
Chinese Hamster Ovary (CHO) cells are the most dependable and most popular host cells for the industrial production of biotherapeutics. They are stable cell lines that are adaptable to a wide range of culture conditions and routinely produce very high protein and antibody yields. More importantly,...
Measuring Pancreatic Elastase to Diagnose Pancreatic Disease
Many digestive system disorders and diseases can  present similar types of symptoms including bloating, diarrhea, constipation, and weight gain/loss. In an effort to rule in or rule out the presence of one disease or the absence of another, clinicians will often turn to clinically approved stool-bas...
Simplify Stool Sample Processing
Introduction We understand the challenges facing lab managers and directors who need to continuously improve workflow efficiency and implement new tests and technologies to be competitive. Our unique extraction method can be used with a portfolio of targeted stool markers. This allows your lab to s...
A Guide to STELLUX® Chemiluminscence ELISAs: An Infographic
Today, multiple immunoassay platforms exist, providing scientists and clinicians with the means to measure a variety of biomarkers1,2,3. However, research indicates some immunoassay platforms have limitations that can inhibit progress in the laboratory4,5,6. In an effort to provide researchers with ...
Complement System TCC and C4d ELISAs Now Available
ALPCO is pleased to announce the availability of two new immunoassays to measure complement system activation, the Complement C4d ELISA and the Terminal Complement Complex (TCC) ELISA.The complement system plays an essential role in acute and chronic inflammation, in immune response to infection...
Therapeutic Drug Monitoring of Biosimilars in Autoimmune Diseases
Anti-TNF-alpha biologics have been proven to be effective treatments for autoimmune diseases such as rheumatoid arthritis (RA) and inflammatory bowel disease (IBD)1. Rising healthcare costs as well as patent expirations, however, have prompted the development of biosimilars, such as the infliximab b...
A Comparison of Colorimetric and Chemiluminescence ELISAs
Are you curious about chemiluminescence ELISAs, but not exactly sure what they are, or how to use them? Our video A Comparison of Colorimetric and Chemiluminescence ELISAs discusses how similar these two types of assays are, and how they can enhance your lab testing. Watch our video to: Lear...