10377 results for 'give addit'

For reproducible, isoform-specific detection, choose a monoclonal antibody; for robust detection across multiple epitopes or faster turnaround, choose a polyclonal antibody. The real tradeoff is epit

Articular cartilage, a key player in joint function, owes its unique properties to its extracellular matrix (ECM). This complex, highly specialized structure is not only fundamental in maintaining

Cell Culture · ProtocolsPassaging Hybridoma Cells: A Detailed GuideHybridomas are productive but temperamental. They grow in suspension, are sensitive to shear and to overgrowth, and — the problem tha

Imagine an elite squad of soldiers sent to neutralize a hidden fortress, only to find themselves wandering aimlessly in a thick, disorienting fog just outside the gates. This is the current reality f

In the periphery, co-stimulation rescues a T cell. In the thymus, the same molecules kill it. A peripheral T cell that engages its receptor without CD80 and CD86 becomes anergic; engage them and it r

Haematology · HaemostasisPlatelets: Formation, Structure, Activation and Clinical SignificancePlatelets are anucleate fragments shed from megakaryocytes, and they carry out primary haemostasis — adher

Immunophenotyping by Flow Cytometry Immunophenotyping is a technique used in the field of immunology and cell biology to identify and classify cells based on the specific proteins o

Two drugs aimed at the same axis can give opposite results in the same disease. Blocking IL-23p19 is highly effective in psoriasis and works in Crohn’s disease. Blocking IL-17A directly is highly eff

A chemokine gradient does not move a leukocyte anywhere. It only tells one that has already stopped which way to go. That sentence is the whole map. Trafficking is a four-step cascade and the steps a

Horseshoe crabs, often referred to as "living fossils," are invaluable to modern medicine due to their unique blue blood. This blood is the source of Limulus Amebocyte Lysate (LAL), a sub

Imagine engineering a patient's own immune cells into precision-guided missiles against cancer—cells that can seek out and destroy tumors with remarkable specificity. This is the promise of CAR-T cell

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

You can remove almost every B cell from an animal and barely move its antibody titre. That is not a failed experiment — it is the expected result, and it follows from one fact: CD20 is switched off a

Most immunology is written as though a T cell must first be told what to look for. Three lineages did not read that memo. γδ T cells, invariant NKT cells and MAIT cells leave the thymus with their ef

Antibody Sampler Packs | 50 Pathway Panels | Assay Genie

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

Dendritic cells (DCs) are pivotal in the immune system, orchestrating innate and adaptive immune responses. Understanding their developmental lineage pathway is crucial in immunology, particularly

Treponema pallidum, the causative agent of syphilis, triggers an immune response that produces antibodies detectable by laboratory tests. Diagnosing syphilis often involves detecting thes

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

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

Cell Biology · Protein DegradationThe Autophagy Pathway: Mechanism, Regulation and How to Measure ItAutophagy is the cell’s route for degrading and recycling its own contents — damaged organelles, agg

Written by Seán Mac Fhearraigh, PhD  •  Updated: 19 May 2026  •  ~9 min read Quick Answer ELISA and Western Blot are both antibody-based protein detection methods. ELISA is faster, higher through

Cell Signalling · CytokinesJAK-STAT Signalling: Mechanism, Regulation and InhibitorsJAK-STAT is the shortest route from a cytokine outside the cell to a change in gene transcription — receptor engagem

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

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

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

Waardenburg Syndrome: A Rare Genetic Disorder Affecting Pigmentation, Hearing, and More Waardenburg Syndrome (WS) is a fascinating and rare genetic disorder that impacts various aspe

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

Only 1% of our blood is made up of white blood cells, but they have a significant impact. Alternatively referred to as leukocytes, white blood cells. We are shielded from disease and

Immunology · NeuroscienceHistamine Receptors: H1, H2, H3 & H4 ExplainedHistamine receptors are the G protein-coupled receptors through which histamine controls allergy, gastric acid secretion, neurotr

QUICK ANSWER A researcher ran a competitive 2,3-bisphosphoglycerate (2,3-BPG) ELISA on red blood cell (RBC) lysate. The standard curve was textbook, yet every lysate sample read at the

CD155 is read by four different receptors, and only one of them turns the killing programme on. The nectin and nectin-like ligands induced on stressed and transformed cells are simultaneously an acti

Quick answer A researcher running a Rat Eotaxin/CCL11 (Eotaxin) sandwich ELISA saw sample readings sit above the top standard and wells turn colour the instant TMB was added — even aft

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

Toll-like receptors are the reason a milligram of endotoxin can kill a mouse. They are the fastest, least discriminating layer of immunity: germline-encoded sensors that read conserved microbial chem

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

Microbiology · AntibioticsPenicillin vs Streptomycin: The Battle of AntibioticsPenicillin and streptomycin are two of the most important antibiotics ever discovered — and they work in completely diffe

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.

Why do powerful cancer immunotherapies work wonders for some patients but fail for others? The answer may lie not just in the cancer cells themselves, but in the energy levels of our own immune warrio

Regulatory T cells cannot make the cytokine they depend on. FOXP3 represses the Il2 locus, so every Treg lives on IL-2 secreted by the conventional T cells it exists to restrain. That asymmetry expla

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

Immunology · Flow CytometryT Cell Immunophenotyping: Markers, Subsets and Panel DesignImmunophenotyping identifies cell populations by the proteins on their surface. For T cells that means resolving n

Molecular Biology · Gene SilencingWhat is RNAi? A Complete Guide to RNA InterferenceRNA interference (RNAi) is a conserved biological process in which small double-stranded RNA molecules silence gene

Immunology Guide MHC Class I vs Class II: Key Differences & Functions [Guide] Major Histocompatibility Complex molecules present antigens to T

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

HIV Virus: Replication Cycle and Pathogenesis in absence of HAART The human immunodeficiency virus (HIV) is a formidable pathogen that has posed a significant global

Flow Cytometry · GatingExcluding Doublets in Flow Cytometry: Pulse Geometry and Gating StrategyTwo cells passing the laser together are recorded as one event, with roughly double the signal. In DNA co

Protein Glycosylation for Labs: Mechanisms, Workflows, and Reagent Tips Protein glycosylation is the enzymatic covalent attachment of sugar chains (glycans) to specific amino acid side chains, most co

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

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

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

Validate Western Blot Antibodies: Datasheet Checks Labs Should Ask Reliable results come from antibodies validated specifically for denatured western blot conditions: recombinant monoclonals or well-