10619 results for 'quickstep chain elisa kit'

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

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 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

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

Enzyme-Linked Immunosorbent Assay (ELISA) is a powerful analytical biochemistry assay that utilizes antibodies and color change to identify a substance. It is widely used in the field of immunolog

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Quick answer A researcher ran a high-sensitivity porcine insulin sandwich ELISA on EDTA plasma and saw main-run duplicate CVs as high as 29.6% (kit spec: intra-assay CV <8%) togethe

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Quick answer A researcher's samples read negative at the standard 1-hour incubation on the MycoGenie Rapid Mycoplasma Detection Kit (MORV0011), but many turned positive after 2 hours.

Cell death is an essential aspect of cellular biology that plays a crucial role in development, homeostasis, and disease. In this blog, we try to focus on mechanisms and various type

MORV0013 functioned effectively in both qPCR machines and water baths, with or without paraffin oil, maintaining consistent sensitivity and specificity. MORV0013 performed reliably betwe

What is Hepatocyte Growth Factor? Hepatocyte growth factor (HGF) is a cytokine that is mainly produced by the liver. HGF is a pleiotrophic cytokine that regulates cell growth, motilit

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The MycoGenie Rapid Mycoplasma Detection Kit enables the detection of 28 Mycoplasma species in under 1 hour using a simple visual determination method, eliminating the need for expensive

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

Immunology · Cytokine SignallingTNF-alpha and Inflammation: Structure, Signalling & TherapyTumour necrosis factor alpha (TNF-α) is one of the most important pro-inflammatory cytokines in the body. Sig

Enzymology · Protein DegradationProtease vs Peptidase: Understanding the DifferenceProteases and peptidases are the enzymes that cleave peptide bonds — breaking proteins down into peptides and peptide

Testing for COVID-19 Since the start of the COVID-19 pandemic, the World Health Organisation have emphasised the crucial importance of

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

Neuroscience · MicrobiomeUnderstanding the Gut-Brain AxisThe gut-brain axis is the dynamic, bidirectional communication system that links the gastrointestinal tract with the central nervous system. Th

Gastroenterology · Barrier BiologyZonulin and Intestinal PermeabilityZonulin is the best-characterised endogenous regulator of intestinal tight junctions — the protein that opens the gut barrier on de

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

What are Stem Cells? Stem cells are primitive, undifferentiated, and unspecialised cells that are found in multicellular organisms

Interleukin signaling is involved in a number of biological processes, including cell growth and differentiation, inflammation and immunity. Interleukins are glycoproteins which act on hema

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

Exploring the Role of Gut Fungi in Neurodegenerative Diseases Neurodegenerative diseases, including dementia, represent a significant challenge to global health. Recent research has begun to uncover

What is the Coronavirus Spike Protein? COVID-19, the newest coronavirus to gain international attention, is caused by severe acute respirator

اختبار COVID-19 POC السريع الوصف إن مجموعة الفحص الجيني تستخدم فقط COVID-19 Rapid POC (P

Antigen's are foreign molecules recognised by the immune system. Antigens can be protein, carbohydrate, lipid or nucleic acid molecules. Examples include viruses and bacteria as well as fr

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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

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

Neuroscience · Myelin BiologyA Quick Guide to MyelinMyelin is the lipid-rich insulating sheath wrapped around nerve axons. Made by oligodendrocytes in the central nervous system and Schwann cells in t

Epidermal Growth Factor (EGF) is a protein that stimulates cell growth and differentiation by binding to its receptor epidermal growth factor receptor (EGFR) which triggers ligand-induced d

Key Points Non-alcoholic fatty liver disease (NAFLD) refe

CD Markers Cluster of Differentiation (CD) markers play an important role in the differentiation of B cells, T cells and NK (natural killer) ce

Research Pulse · Data study Where biology is heading: what PubMed and 300,000 researcher visits reveal We compared five years of PubMed publication counts with two years of researcher visits to Assa

Microglia Astrocytes Oligodendrocytes Glial

Explore the world of astrocytes, crucial star-shaped cells in the brain, and understand how specific markers help study their roles in neural health and disorders. Key Takeaways: Ast

What is Parkinson’s disease? Parkinson's disease can be seen as a neurodegenerative disease because it is associated with the loss of nerve cel

Adhesion Molecules Direct cell-cell interactions are maintained and regulated by cell adhesion molecules. The expression of adhesion molecules

Cell Signalling · Receptor BiologyGPCRs (G Protein-Coupled Receptors): A Complete GuideG protein-coupled receptors are the largest family of cell-surface receptors in the human genome and the ta

CAR T-cell therapy CAR (Chimeric Antigen Receptor) T-cell Therapy is a type of cancer treatment. CAR T-cells are made in the laboratory and they have an artificially created receptor on the

What is CD31? CD31, also known as PECAM-1, was originally described as a cell surface antigen present on platelets and megakaryocytes. CD31 is

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

Endocrinology · ImmunologyCortisol and the Immune ResponseCortisol is the body’s primary stress hormone — a glucocorticoid released by the adrenal gland that powerfully shapes the immune system. Actin

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's colorimetric adenosine assay looked broken — the standard curve came out with a negative slope and the calculated values made no sense. The assay itself was

Biochemistry · Protein Guide Amino Acids: Types, Functions, Structure & Essential Guide The 20 standard amino acids are the building blocks of

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

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

Clinical · Immunology Guide IgA Test: Normal Ranges, Results & What They Mean [2026] What the immunoglobulin A blood test measures, how result

Mononuclear phagocytes, essential in immunity and homeostasis, perform diverse roles from phagocytosis to tissue repair, influencing health and disease. Key Takeaways: Mononuclear p

Cell Signalling · Kinase CascadesMAPK Signaling: The Pathway of Mitogen StimulationThe mitogen-activated protein kinase (MAPK) pathway is one of the most important signalling cascades in biology, conv

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