10127 results for 'note'

By Francisco Algaba Chueco In this post we discuss a topic that everyone will have heard of. Let’s talk about migraines, a disorder that hides a huge physiol

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

Immunology · ImmunophenotypingCD Markers on B Cells: Development, Subsets and ImmunophenotypingB cells change their surface marker profile at every stage from bone marrow progenitor to antibody-secret

Metabolism · Biochemistry Guide Cellular Respiration: Stages, ATP Production & Pathway Guide How cells convert glucose and oxygen into ATP acr

Imagine a battlefield where the enemy doesn't just hide from soldiers—it actively sabotages their weapons. In the tumor microenvironment, cancer cells have evolved a devious strategy: they transfer th

Immunology Guide 5 Types of Immunoglobulins: IgG, IgA, IgM, IgD & IgE The five antibody classes that drive immune defence — their structure, fun

Immunology · Cell IsolationPeripheral Blood Mononuclear Cells (PBMCs): Composition, Isolation and UseMononuclear cells are the leukocytes with a single, unlobed nucleus — lymphocytes and monocytes. Is

Immunology · Myeloid CellsGranulocytes: Neutrophils, Eosinophils and BasophilsGranulocytes are the leukocytes with cytoplasmic granules and lobed nuclei — neutrophils, eosinophils and basophils. They

Cancer Biology · Cell Signallingp53: Structure, Signalling, Regulation and Mutation in Cancerp53 is the most frequently mutated gene in human cancer, and the reason is structural: a single tetrameric

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

Biochemistry · Cell SignallingPhosphorylation: Types, ATP Synthesis and Cell SignallingAdding a phosphate group is how cells both store energy and switch proteins on and off. The same chemistry underl

Protein Analysis · ProtocolsWestern Blot Sample Preparation: A Practical GuideMost failed Western blots fail before the gel is loaded. Lysis buffer choice, inhibitor selection, accurate protein quanti

Calculer et valider la limite de détection d’un ELISA en laboratoire La limite de détection (LOD) d’un ELISA se calcule classiquement comme la moyenne des blancs plus 3 fois leur écart-type, et cette

Haematology · CoagulationBlood Coagulation Pathway: Factors, Cascade and DisordersThe coagulation cascade is usually taught as two pathways converging on a common one. That framework maps neatly onto

Immunology · Cell BiologyCells of the Innate Immune System: Types, Functions and MarkersThe innate immune system responds within minutes, without prior exposure, using cells that recognise conserved m

Cell Culture · ProtocolsCell Synchronisation Methods: Protocols for G1, S, G2 and M Phase ArrestAn asynchronous culture contains cells at every stage of the cycle at once, so any measurement is an ave

Gene Delivery · Viral VectorsLentiviral Vectors: Design, Production and Use in Gene DeliveryLentiviral vectors integrate their cargo into the host genome and transduce dividing and non-dividing cells

Faible signal ELISA : diagnostic et corrections en laboratoire Un signal ELISA faible n’indique pas automatiquement un échantillon négatif. Avant toute modification de protocole, vérifiez le contrôle

Immunology · Innate LymphocytesNatural Killer Cells: Receptors, Subsets and FunctionNK cells kill without prior sensitisation and without antigen-specific receptors, using a balance of activating and

Immunology · Antibody BiologyAntibody Light Chains, Heavy Chains, Constant Regions & Tumour-Associated AntigensAn antibody’s specificity comes from its variable domains and its biological effect comes

Un plan expérimental ELISA fiable repose sur six éléments non négociables: des contrôles complets (blanc, négatif, positif, matrice), des étalons pour la courbe de calibration, une série de diluti

Cell Culture · ProtocolsHaemocytometer Cell Counting: Procedure, Calculation and Common ErrorsA haemocytometer turns a known chamber volume into a cell concentration, and the whole method rests on fou

Soporte técnico ELISA: qué comprobar antes de llamar Si su ensayo ELISA falla, haga estas tres comprobaciones inmediatas: controles, equipo y reactivos, en ese orden. Antes de contactar con soporte t

Combien coûte réellement un anticorps de recherche ? Prévoyez un budget de 130 à 2 500 dollars par anticorps selon le format et l’application visée, mais ce chiffre ne raconte qu’une partie de l’hist

Cómo eliminar endotoxinas de proteínas recombinantes sin perder actividad biológica La forma más fiable de obtener proteínas recombinantes con niveles seguros de endotoxina es combinar medidas upstre

The Complement System Function Gone are the days when the complement system was considered solely a companion of its impressive adaptive immune system counte

Hemólisis y lipemia en ELISA: cómo evitar resultados falseados La hemólisis y la lipemia alteran las lecturas de una ELISA por dos vías distintas: la hemólisis libera hemoglobina y componentes intrac