4683 results for 'choic'

The choice of appropriate cell culture supplements emerges as a crucial factor in ensuring the efficacy and consistency of experimental results. Among the various options available, two commonl

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

In the realm of biological and biochemical research, solutions play a pivotal role in various experimental procedures, from cell culture to molecular biology assays. Among the plethora o

PI3K does not switch on a protein — it rewrites a membrane. Everything downstream follows from one chemical event: the 3-hydroxyl of a phosphoinositide is phosphorylated, PIP₂ becomes PIP₃, and every

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

Fluorescent proteins (FPs) have revolutionized the field of molecular and cellular biology, allowing scientists to visualize and track biological processes in live cells with unprecedented clarity

Both Assay Genie MORV0010 and Promega E1910 effectively quenched Firefly luciferase before Renilla detection, minimizing signal overlap. E1910 achieved 99.95% quenching efficiency, while

TUNEL Assay Kits | 1-Step In Situ Apoptosis Detection | Assay Genie

Lab Buffers · ProtocolsPBS vs DPBS: What’s the Difference?PBS and DPBS are the everyday isotonic, pH-balanced salt solutions used to wash, dilute and transport cells and proteins. This guide bre

Loading Control Antibodies | GAPDH, \u03b2-Actin & Tubulin | Assay Genie

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

Molecular Biology · ProtocolsTypical Workflow of CRISPR-Cas9 Genome EditingA CRISPR experiment is only as good as the steps around the cut. This guide walks the full workflow — designing and scoring a

Animal & Veterinary ELISA Kits | Mouse, Rat, Porcine & More | Assay Genie

A depletion experiment is only as good as the depletion you can prove. Injecting a functional-grade antibody and assuming the population is gone is the most common failure mode in in vivo immunology.

PharmaGenie ELISA Kits | ISO-Validated BioPharma ELISA | Assay Genie

In the evolving landscape of biochemical research and diagnostic assay development, the ability to label non-antibody proteins and small molecules with high precision has become indispensable. Thi

Cancer Biology · GeneticsTumour Suppressor Genes: Roles, Examples & CancerTumour suppressor genes are the brakes on cell growth — they restrain proliferation, repair damaged DNA and trigger apoptosis

Transfection protocols play a crucial role in the realm of molecular biology and genetic research, enabling the introduction of foreign nucleic acids into living cells. This innovati

Alzheimer's disease stands as a formidable challenge in the realm of neurological disorders, characterized by its progressive nature and profound impact on cognitive functions. This article delve

In the realm of biomedical imaging, the quest for precision and clarity drives researchers to explore innovative technologies. One such breakthrough is the Cy3 wavelength, a powerful tool revol

In the evolving landscape of cellular biology, intracellular flow cytometry (ICFC) stands out as a powerful technique for analyzing the complexities within cells. This advanced method extends the

Flow Cytometry Antibodies | 16,900+ Conjugates & Panel Builder | Assay Genie

Immunohistochemistry (IHC) stands as a critical tool in the realm of biomedical research and diagnostic practices, offering a bridge between molecular insights and the intricate visualization of t

In Vivo Methods · ProtocolsMouse Injection Guide: Intraperitoneal, Subcutaneous, Intramuscular & Intravenous RoutesRoute choice and injection technique determine how much of a dose actually reaches it

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

The 3D Organoid Cell Viability Assay (AKES081) demonstrated high sensitivity and low cytotoxicity, making it ideal for long incubation studies (24-48 hours) and high-throughput applicati

In the dynamic landscape of biomedical research, organoids have emerged as a groundbreaking tool, offering three-dimensional (3D) models that mimic the complex architecture and functionality of hu

Techniques · Gel ElectrophoresisAgarose vs Polyacrylamide: A Comparative AnalysisAgarose and polyacrylamide are the two workhorse gel matrices of electrophoresis. Agarose gels resolve larger DNA and R

Non-Small Cell Lung Carcinoma (NSCLC) is the most common type of lung cancer, representing about 85% of all lung cancer cases. NSCLC includes several subtypes, with distinct biological ch

Quick Facts About NaratuximabWhat is Naratuximab?Naratuximab is an anti-CD37 monoclonal antibody-drug conjugate (ADC) designed to target B-cell malignancies, particularly non-Hodgkin lym

The Assay Genie 3D Organoid Cell Viability Assay (AKES081) provided superior results compared to ThermoScientific PrestoBlue, maintaining over 100% viability at all time points in untrea

Quick Facts About BevacizumabWhat is Bevacizumab?Bevacizumab is a monoclonal antibody that targets vascular endothelial growth factor (VEGF), inhibiting angiogenesis (the formation of ne

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

Quick Facts About AlsevalimabWhat is Alsevalimab?Alsevalimab is a monoclonal antibody targeting CD47, a protein involved in immune evasion by cancer cells. By blocking CD47, Alsevalimab

For decades, the fight against cancer has been a grueling battle of attrition, with treatments often as harsh as the disease itself. But a revolutionary approach, chimeric antigen receptor (CAR)-T cel

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

Quick Facts About Tisotumab VedotinWhat is Tisotumab Vedotin?Tisotumab Vedotin (Tivdak™) is an antibody-drug conjugate (ADC) designed to target tissue factor (TF) and is FDA-approved for

Imagine a high-stakes game of hide-and-seek where the seeker is your immune system and the hider is a master of disguise: cancer. For decades, we believed the 'wanted' posters for tumor cells were li

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

Oxidative Stress Definition Oxidative stress is a condition that results when the body produces or consumes more reactive oxygen species (ROS) than it can neutraliz

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

Almost any inflammatory phenotype in a mouse can be assigned to a cytokine by taking that cytokine away. Neutralisation is the most direct causal test immunology has: inject a functional-grade antibo

The antigen tells a CD4 T cell to respond; the cytokine tells it what kind of response to make. A naive CD4⁺ T cell leaving the thymus is uncommitted. Within about seventy-two hours of engaging TCR/C

Techniques · Gene DeliveryTransduction vs Transfection: Understanding Gene Delivery TechniquesTransduction and transfection are the two main routes for introducing genetic material into cells. Transdu

Imagine a microscopic sniper, capable of delivering a lethal blow to a single cancer cell while leaving its healthy neighbors virtually untouched. This is the promise of targeted alpha therapy, a rev

Lab Methods · CentrifugationRPM to G-Force (RCF) Conversion: Formula, Calculator Method and Common ErrorsA protocol that says “spin at 3,000 rpm” is incomplete, because the force a sample experiences

The inflammasome is one of the few innate pathways that destroys the cell it activates. A macrophage that assembles NLRP3 has committed to a decision it cannot reverse: a priming signal through TLR4

Exploring DNA's essence, this guide illuminates its structure, function, and purification techniques, essential in fields like medicine and biotechnology. Key Takeaways: DNA's Struct

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

References Key Points Three-dimensional (3D) cell cultures are artificially-created environments in which cells are permitted to grow or interact with their surroundings in a 3D fa

Western Blot Protocol & Troubleshooting Guide | 14 Steps + 101 Tips | Assay Genie

Immunodetection · ProtocolsSecondary Antibody Incubation: Times, Conditions and TroubleshootingThe secondary antibody step determines how much signal you get and how much background comes with it. Inc

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

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

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Cell Death · BiomarkersCleaved Caspase-3: Activation, Function and Detection in ApoptosisCaspase-3 sits at the point where apoptotic signalling becomes irreversible. It is made as an inactive proenzym

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