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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
Understanding Zonulin and Its Role in Intestinal Health(Post)Understanding Zonulin: Key Regulator of Intestinal Barrier Function Zonulin is a crucial physiological modulator of intercellular tight junctions, playing a significant role in regulating intestinal
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ELISA Plate-to-Plate OD Differences: Same-Lot Troubleshooting(Post)Quick answer When plates from the same lot give very different OD values, the cause is almost always a comparison problem, not a manufacturing problem. The three usual culprits are a t
8-OHdG/Creatinine Ratio Too High? Urine ELISA Troubleshooting(Post)Quick answer A researcher running an 8-OHdG ELISA and a creatinine ELISA on human urine got 8-OHdG/creatinine ratios in the hundreds, then the thousands, of ng/mg, far above the ~30–40
Immunohistochemistry (IHC) Buffers & Recipes(Page) NF-κB Signalling Pathway(Page) Evite 3–6 meses de retrabajo: selección de anticuerpos para investigadores(Post)Evite 3–6 meses de retrabajo: selección de anticuerpos para investigadores La selección de anticuerpos consiste en identificar y validar la molécula con la especificidad y el desempeño necesarios par
Nfkb signalling pathway · HTM(Page) Platelet Adhesion Proteins and Ligands: Key Players in Hemostasis and Thrombosis(Post)Platelet adhesion is a critical process in the maintenance of hemostasis, the body's response to bleeding. This intricate process involves a series of interactions between platelets, the cellular
Epigenetic Antibodies(Page)Epigenetic Antibodies | 81+ Histone Acetylation & Methylation Antibodies | Assay Genie
Introducing BioSymposia: The Gathering Place for Science(Post)Announcement · Powered by Assay GenieIntroducing BioSymposia: The Gathering Place for ScienceWe’re excited to announce the launch of BioSymposia, our new sister platform and a free home for scientific
Antikörperwahl: Vier Prioritäten für labornahe Durchflusszytometrie(Post)Wählen Sie Antikörper für Ihre Durchflusszytometrie anhand von vier Prioritäten: validiertes Zielantigen mit passendem Klon, ein Fluorochrom, das zu Expressionsstärke und Panel-Design passt, eine
Secondary Antibodies(Page)Secondary Antibodies | HRP, FITC, Cy3 & AP Conjugates | Assay Genie
Angiotensin Pathways: Unlocking the Secrets to Blood Pressure Regulation and Beyond(Post)The angiotensin pathway is a pivotal hormonal system that plays a crucial role in regulating blood pressure and maintaining fluid and electrolyte balance within the body. This complex biochemical
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How to Choose a Secondary Antibody(Post)The selection of a secondary antibody is a critical step in the experimental design of various immunodetection methods, including Western Blot, ELISA, immunohistochemistry (IHC), and immunofluores
101 एलिसा समस्या-निवारण की सलाह/टिप्स(Page)101 ELISA समस्या-निवारण युक्तियाँ | उच्च बैकग्राउंड, कोई सिग्नल नहीं और बहुत कुछ ठीक करें | Assay Genie
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Ionotropic Glutamate Receptors: Gateways to Neural Communication(Post)Ionotropic glutamate receptors (iGluRs) are pivotal in the fast excitatory synaptic transmission in the mammalian central nervous system (CNS). These receptors are not only crucial for normal brai
IHC Antibodies(Page)IHC Antibodies | Validated Antibodies for Accurate IHC Staining | Assay Genie
C-Reactive Protein (CRP): Function, Levels & What They Mean(Post)Biomarkers · InflammationC-Reactive Protein (CRP): Structure, Function and Clinical UseCRP is the most widely measured marker of inflammation in medicine — fast to rise, fast to fall, and entirely non
Comment choisir anticorps primaire selon votre application(Post)Comment choisir anticorps primaire selon votre application Pour un Western blot sur cible peu abondante, un anticorps polyclonal validé reste souvent le meilleur choix ; pour une ELISA ou une IHC/IF,
Variabilité inter-lots des anticorps : l'impact réel sur vos dosages(Post)Variabilité inter-lots des anticorps : l’impact réel sur vos dosages Oui, la variabilité inter-lots d’anticorps est un risque opérationnel concret, pas une hypothèse théorique : elle peut décaler une
COVID-19 Vaccine Candidates(Post)What is COVID-19 COVID-19, the disease caused by the coronavirus named SARS-CoV-2, first identified in Wuhan, China in December 2019 has spre
Clinical Pathology Labs List: Overview, Services, and Importance(Post)Clinical pathology labs play a crucial role in modern healthcare, providing critical diagnostic testing services for a wide array of diseases and conditions. These laboratories are design
Calibration multipoints Elisa : la méthode qui évite les faux résultats(Post)Calibration multipoints Elisa : la méthode qui évite les faux résultats Pour une calibration multipoints Elisa fiable, utilisez au moins six niveaux non nuls répartis sur toute la plage attendue, aju
Une courbe par plaque pour la courbe standard ELISA au laboratoire(Post)Une courbe par plaque pour la courbe standard ELISA au laboratoire Une courbe standard ELISA convertit les densités optiques mesurées en concentrations exploitables, à partir d’une série d’étalons de
Mouse Injection Guide: Intraperitoneal, Subcutaneous, Intramuscular & Intravenous Routes(Post)In Vivo Methods · ProtocolsMouse Injection Guide: Intraperitoneal, Subcutaneous, Intramuscular & Intravenous RoutesRoute choice and injection technique determine how much of a dose actually reaches it
Treponema pallidum Antibodies: Comprehensive Guide to Diagnostic and Clinical Relevance(Post)Treponema pallidum, the causative agent of syphilis, triggers an immune response that produces antibodies detectable by laboratory tests. Diagnosing syphilis often involves detecting thes
The Gut Microbiome and Autoimmune Diseases: How Gut Bacteria Influence Immune Response(Post)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
Comment choisir protéine recombinante selon votre objectif expérimental(Post)Comment choisir protéine recombinante selon votre objectif expérimental Pour une protéine bactérienne non glycosylée destinée à un contrôle ELISA de routine, commencez par Escherichia coli : rendemen
23 PhD Interview tips(Post)PhD Interview Presentation Dos and Don’ts It is becoming increasingly common for master's and undergraduate students to present data they produced during their resea
Anifrolumab: Transforming Lupus Treatment with Targeted Immunotherapy(Post)Quick Facts About AnifrolumabWhat is Anifrolumab?Anifrolumab is a monoclonal antibody that targets the type I interferon receptor, playing a crucial role in treating systemic lupus eryth
Questions About Dilutions? A Real Example of How to Prepare Your ELISA Solutions(Post)Quick answer A researcher preparing a Human IL-18 ELISA wasn't sure whether the protocol's “300-fold” HRP-Streptavidin step meant adding 40 µL of concentrat
Fluorescence Resonance Energy Transfer (FRET) Assays: An Insight into Molecular Interactions(Post)Methods · FluorescenceFRET Assays: Principle, Förster Radius and Measurement MethodsFRET transfers energy from an excited donor fluorophore to a nearby acceptor without emitting a photon, and the effi
Understanding Platelet Activation: A Comprehensive Overview(Post)Haemostasis · Platelet BiologyUnderstanding Platelet Activation: A Comprehensive OverviewPlatelet activation is the rapid, tightly controlled response by which circulating platelets change shape, rele
Bococizumab: Mechanism, Clinical Applications, and Biosimilars in Research(Post)Quick Facts About BococizumabWhat is Bococizumab?Bococizumab is a monoclonal antibody that targets PCSK9, a protein involved in cholesterol regulation.How Does Bococizumab Work?It inhibi
Sample Dilution Range Calculation for Competitive ELISA kits(Post)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
Deprotonation: Unveiling the Chemistry Behind It(Post)Chemistry · Acid-BaseDeprotonation: Mechanism, pKa and Choosing the Right BaseDeprotonation is the removal of a proton from a molecule to give its conjugate base. Whether it happens, and how completel
Volagidemab: A Breakthrough in GLP-1 Receptor Agonists for Metabolic Disorders(Post)Quick Facts About VolagidemabWhat is Volagidemab?Volagidemab is a glucagon-like peptide-1 (GLP-1) receptor antagonist designed to regulate glucose metabolism and energy homeostasis.How D
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
ELISA Inter-Plate Variability: Same Sample, Different Results(Post)Quick answer On the Dog Beta-endorphin (BEP) ELISA Kit, a researcher ran the same canine serum aliquots on two plates from the same lot and saw roughly double the concentration on one
Comment choisir un panel cytokines selon votre objectif(Post)Comment choisir un panel cytokines selon votre objectif Pour une sensibilité extrême sur un nombre restreint d’analytes, privilégiez une plateforme ultra-sensible comme SIMOA. Pour multiplexer largem
Aducanumab: Mechanism, Clinical Applications, and the Role of Biosimilars in Research(Post)Quick Facts About AducanumabWhat is Aducanumab?Aducanumab is a monoclonal antibody designed to target and reduce amyloid-beta plaques in the brain, a hallmark of Alzheimer’s disease.What
Canakinumab: Unraveling Its Role in Inflammatory Disease and Cancer Research(Post)Quick Facts About CanakinumabWhat is Canakinumab?Canakinumab is a human monoclonal antibody that targets interleukin-1 beta (IL-1β), reducing inflammation associated with various disease
세포 용해를위한 소니케이션(초음파 처리 분해) 프로토콜 (Page) Types of PCR – 7 Methods, Principles & Applications(Post)Molecular Biology · Techniques Guide Types of PCR – 7 Methods, Principles & Applications PCR stands as a cornerstone in molecular biology, ena
ELISA Troubleshooting: A Low Standard Curve and Samples Reading Off-Scale(Post)Quick answer On the Periaxin (PRX) ELISA, a researcher found every serum sample reading above the top standard — optical density (OD) around 2.8–3.0 at 450 nm, well beyond the highest
Rapid COVID Antibody Test | Antibody Tests(Post)What does the COVID-19 Rapid POC CE-IVD Test detect? The test detects the presence of patient-generated antibodies against spike protein, the virus which causes the disease COVID-19. The tes
ELISA 분석법, 원리, 프로토콜, 방법 및 키트(Page) Ce que doit valider tout chercheur sur les anticorps neutralisants(Post)Ce que doit valider tout chercheur sur les anticorps neutralisants Un anticorps neutralisant (AcN) bloque l’infectivité d’un agent pathogène en empêchant l’interaction fonctionnelle avec son récepteu
ELISAの原理、プロトコル、方法とキット(Page)ELISA の原理・プロトコル・方法とキット | Assay Genie | Assay Genie
Anticorps pour Western : comment choisir sans se tromper(Post)Anticorps pour Western : comment choisir sans se tromper Pour un Western fiable, privilégiez un anticorps validé qui reconnaît spécifiquement l’épitope dénaturé de votre cible, avec un monoclonal si
Anticorps pour IHC : la checklist de validation qui compte(Post)Anticorps pour IHC : la checklist de validation qui compte Pour l’IHC, n’utilisez jamais un anticorps sans preuve de performance sur un tissu comparable au vôtre, sans contrôles positifs et négatifs
Évitez la rupture de réactifs en 6 actions pour gestionnaires labo(Post)Évitez la rupture de réactifs en 6 actions pour gestionnaires labo Pour éviter la majorité des ruptures de réactifs, auditez votre inventaire critique, fixez des seuils de commande calculés sur le dé
Sandwich ELISA: Step-by-Step Protocol & Troubleshooting(Post)Written by Seán Mac Fhearraigh, PhD • Updated: 19 May 2026 • ~10 min read Quick Answer A sandwich ELISA uses two antibodies — a capture ant
Six étapes pour un protocole ELISA sandwich reproductible en laboratoire(Post)Le protocole ELISA sandwich standard suit six étapes: revêtement du puits avec l’anticorps de capture, blocage, incubation des standards et échantillons, ajout de l’anticorps de détection, puis du
Faible signal ELISA : diagnostic et corrections en laboratoire(Post)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
Stabilité des réactifs ELISA : les règles à respecter au labo(Post)Stabilité des réactifs ELISA : les règles à respecter au labo Aliquotez, étiquetez et consignez systématiquement le numéro de lot et la date d’ouverture. Le reste de cet article détaille comment appl
Comment choisir une protéine cytokine pour votre étude(Post)Comment choisir une protéine cytokine pour votre étude Pour une mesure fonctionnelle in vitro, privilégiez une cytokine recombinante à activité biologique validée sur la lignée cible. Pour une admini
Personnalisation des tests multiplex : le guide technique pour bien commander(Post)Personnalisation des tests multiplex : le guide technique pour bien commander Si votre étude nécessite plusieurs analytes sur peu de volume, un panel multiplex personnalisé est souvent la meilleure o
Comment choisir un test multiplex adapté à votre laboratoire(Post)Comment choisir un test multiplex adapté à votre laboratoire Un test multiplex se justifie quand le panel couvre précisément l’arsenal pathogène recherché en clinique et que le laboratoire peut en ga