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Written by Seán Mac Fhearraigh, PhD  •  Updated: 19 May 2026  •  ~10 min read Quick Answer A sandwich ELISA uses two antibodies — a capture ant

An antibody's variable domains decide what it binds. Its Fc decides what happens next — and that is not a detail of formulation, it is half the mechanism. Which Fcγ receptor the constant region engag

A macrophage does not decide to eat; it counts votes. Every particle it touches carries a mixture of pro-phagocytic and inhibitory ligands, and engulfment follows only when the activating tally clear

By Charlotte O'Donnell PhD The genes of the IL-36 family members are located in a cluster on chromosome 2 [1]. All three activating ligands, IL-36α, IL-36β a

COVID-19 Antibody Testing Antibody Production in COVID-19 COVID-19, the novel coronavirus disease

Bone Biology · BiomarkersBone Resorption: Process, Markers & Clinical SignificanceBone resorption is the process by which osteoclasts break down bone tissue and release its stored minerals into the bl

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

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

Techniques · Molecular CloningGuide to Bacterial Transformation: The Science of Genetic ManipulationBacterial transformation is the process by which bacteria take up foreign DNA — usually a plasmid —

In the intricate tapestry of the immune system, macrophages play a pivotal role, orchestrating a wide range of biological responses that protect the body against pathogens, remove cellular debris,

In the realm of immunology, the terms "immunoglobulin" and "antibody" often find themselves used interchangeably, sparking confusion among those keen on understanding the immune system's fine deta

Quick answer A competitive ELISA is running correctly when the blank (zero standard) gives the highest OD, the standard curve drops smoothly with rising concentration, and your samples land in the

Quick answer On the Fatty Acid Oxidation (FAO) Assay Kit (BR00001), a researcher found that a subset of skeletal-muscle samples returned negative values once the control well was subtr

Written by Seán Mac Fhearraigh, PhD  •  Updated: 19 May 2026  •  ~9 min read Quick Answer The five main types of ELISA are sandwich, competitive, direct, indirect and multiplex. Sandwich ELISA is

Ferroptosis Assay Kits | Lipid Peroxidation, Iron & Glutathione | Assay Genie

Lipid Metabolism Assay Kits | Cholesterol, Fatty Acids & Bile Acids | Assay Genie

What are Autoimmune Diseases? Autoimmune diseases are a diverse group of disorders where the immune system mistakenly attacks the body's own cells, tissues, and organs

CXCL16 CXCL16, a unique member of the CXC chemokine family, stands at the crossroads of immune modulation and vascular biology. Initially discovered as a chem

Quick answer A researcher validating two isoform assays — the Human ALT1 (HUFI00557) and ALT2 (HUFI00593) ELISA kits — spiked the ALT2 kit's standard onto the ALT1 kit's plate and saw