10451 results for 'filter i free'

Immunology · HyperinflammationCytokine Storm and Cytokine Release Syndrome: Mechanisms, Triggers and MarkersA cytokine storm is a self-amplifying inflammatory response in which cytokine release drives

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

Introduction to TNFRSF9 and Its Role in Immune ActivationTNFRSF9, also known as 4-1BB or CD137, is a co-stimulatory receptor expressed on the surface of T cells, natural killer (NK) cells

In Vitro vs In Vivo: Complete Comparison + Selection Guide | Research MethodsDiscover the distinct roles of 'In Vivo' and 'In Vitro' in biological research, where one offers a natural con

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

Chronic myelogenous leukaemia (CML) is a myeloproliferative haematopoietic malignancy, characterised by a karyotypic abnormality present in more than 95% of cases known as the Philadelph

PK-ELISA-Assay: Freie oder totale Wirkstoffmessung wählen? Ein PK-ELISA-Assay quantifiziert die Konzentration eines Biotherapeutikums in Serum oder Plasma, und zwar entweder als freie, pharmakologisc

By Charlotte O’Donnell PhD Inflammation and Cancer The link between inflammation and cancer is well established, with infl

T Cell Types, Activation, Polarization & Function A comprehensive guide to T cells! Introduction T-cells, vital components of the immune system, encompass vari

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

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

Cell Cycle · KinasesCyclins and Cyclin-Dependent Kinases: Regulation, Substrates and Mitotic ControlCDKs are inactive on their own. They require a cyclin partner, and because cyclin levels rise and fa

Molecular Biology · Techniques Guide Types of PCR – 7 Methods, Principles & Applications PCR stands as a cornerstone in molecular biology, ena

By Juan Quintana, PhD student, University of Edinbrugh What are Neglected Tropical Diseases (NTDs)? The World Health Organ

Immunology · Innate ImmunityInnate Immunity: Components, Functions & First Line of DefenceThe innate immune system is the body’s first line of defence — a fast, non-specific response built from physic

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

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

Neuroscience · BiomarkersA Guide to Tau Proteins & TauopathiesTau keeps the neuronal cytoskeleton standing up. When its phosphorylation goes wrong, the same protein becomes the aggregate that defines

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