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CD31: A Comprehensive Look at an Essential Biomarker(Post)
What is CD31? CD31, also known as PECAM-1, was originally described as a cell surface antigen present on platelets and megakaryocytes. CD31 is
Granulocytes: Neutrophils, Eosinophils, Basophils & Mast Cells(Post)Immunology · Myeloid CellsGranulocytes: Neutrophils, Eosinophils and BasophilsGranulocytes are the leukocytes with cytoplasmic granules and lobed nuclei — neutrophils, eosinophils and basophils. They
ELISA Troubleshooting: Total Protein Normalization in Lysates(Post)QUICK ANSWER A researcher ran a panel of EMT-marker ELISA kits (E-cadherin, claudin-1, N-cadherin, vimentin, ZEB1, TWIST1) on breast cell-line lysates and found E-cadherin reading "pos
Troubleshooting high ELISA concentrations(Post)QUICK ANSWER If your ELISA returns sample concentrations that are orders of magnitude too high, the assay itself is usually fine — the error is almost always in data analysis. The most
PCR Detection of COVID-19 (SARS-CoV-2)(Post)PCR Detection of COVID-19 (SARS-CoV-2) Contents Background Assay Information Sample Types Upp
Whitepapers(Page) Ovarian Cancer: Symptoms, Causes, Diagnosis and Treatment(Post)Ovarian cancer is the fourth most common cancer in women. Ovarian cancer is when the normal cells in the ovary change and grow to form a tumour. Because the ovaries are located deep
LPS ELISA Troubleshooting: The Importance of Sample Nature(Post)Quick answer A researcher measuring circulating lipopolysaccharide (LPS) in human serum with our LPS ELISA saw almost no color, even after 30 minutes with substrate. Samples had been test
Competitive vs Sandwich ELISA: Should You Subtract the Blank?(Post)Quick answer: A researcher subtracted the blank from a competitive ELISA (a Serotonin kit) and every result turned negative. In a competitive assay the signal is inversely proportional to
The Blood Brain Barrier: An Overview (Post)What is the blood-brain barrier? The Blood-brain barrier (BBB) is a system of vessels that acts as a structural and chemical barrier between the brain and the rest of the body's circula
Liposomal nanosilver encapsulation for cytotoxic assays(Post)Nanosilver is the most commercialised nanoparticle routinely used for its antibacterial purposes in food preservation, cosmetic and health products such as medical devices and wound treatmen
Immuno Oncology: If cancer was a pathogen, would a vaccine be able to destroy it?(Post)Thanks to the great intuitions of brilliant scientists like Louis Pasteur, Edward Jenner, Robert Koch, Emil von Behring, Gaston Leon Ramon, Albert Sabin, Jonas Salk in the past century, the
ELISA Troubleshooting: When Standards Read Below the Blank(Post)Quick answer On the GDF-6 (Growth Differentiation Factor 6) ELISA Kit, a researcher saw an elevated blank (OD ≈ 0.41) with the two lowest standards reading at or below it, and no signa
Oxidative Stress Assays(Page)Oxidative Stress Assay Kits | ROS, Antioxidant & Glutathione | Assay Genie
Comparison of Assay Genie Dual Luciferase Reporter Assay (MORV0010) vs Promega (E1910): Performance Evaluation of Quenching Efficiency and Auto-luminescence(Post)Both Assay Genie MORV0010 and Promega E1910 effectively quenched Firefly luciferase before Renilla detection, minimizing signal overlap. E1910 achieved 99.95% quenching efficiency, while
mRNA-1010 and Beyond: How Moderna's mRNA Platform is Revolutionizing Hantavirus Vaccine Development(Post)Hantavirus, a silent threat lurking in rodent populations, has long posed a significant public health challenge with its severe and often fatal outcomes. For decades, the quest for effective vaccines
Exosomes - Discovery, Cargo, Biogenesis & Functions(Post)by Ryan Wallis, PhD student, QMUL, Blizard Institute The microscopic world of cell biology was first explored by Robert Hooke in the 17th century and published in his work, Microgra
Serum vs Plasma: Key Differences & When to Use Each [Guide](Post)Sample Preparation · ImmunoassaySerum vs Plasma: Key Differences and When to Use EachSerum and plasma come from the same blood draw but are not interchangeable. One is collected after clotting, the ot
TUNEL staining : The method of choice for measuring cell death(Post)Techniques · Apoptosis DetectionTUNEL Staining: The Method of Choice for Measuring Cell DeathTUNEL staining is a gold-standard technique for detecting apoptosis in situ. By labelling the fragmented DN
ELISA Troubleshooting: Why You Can't Skip the Full Standard Curve(Post)Quick answer A researcher measuring dopamine in mouse brain tissue got no detectable signal and, with many samples to run, asked whether the full standard curve could be skipped to sav