1,700+ technical articles by Aladdin Scientific's scientists on reagent selection, reaction mechanisms, assay design and formulation. New every week.
Composite staining of plant tissues and cell walls is used to distinguish lignified structures, non-lignified parenchyma, vascular bundles, sclerenchyma, cortex, pith, epidermis, and other tissue regions. Light green, safranin, and fast green differ in staining targets, color presentation, ...
Not all inorganic salts are suitable as substrates for reduction reactions. Inorganic salts that can undergo reduction usually contain a central element in a relatively high oxidation state, such as N(+5) in NO₃⁻, S(+6) in SO₄²⁻, Cl(+7) in ClO₄⁻, Cr(+6) in CrO₄²⁻, as well as ...
Metabolic syndrome is not a single abnormality in blood glucose or blood lipids, but the combined result of insulin resistance, adipose tissue endocrine dysfunction, chronic low-grade inflammation, hepatic lipid metabolism disorder, and cardiometabolic risk. Detection strategies should place ...
Anti-infective agents are used to kill infectious pathogens or inhibit their replication, expansion, and transmission. Bacteria, fungi, viruses, and protozoa differ markedly in structural composition, replication mode, and host dependence. Therefore, anti-infective research should not remain ...
Isothermal amplification depends on strand displacement, primer extension, template unwinding, or recombinase-mediated pairing under constant-temperature conditions. Single-stranded DNA-binding proteins can stabilize exposed ssDNA regions during amplification and reduce the effects of template ...
Neuroplasticity research requires simultaneous evaluation of neurotrophic signaling, transcriptional regulation, and synaptic structural changes. BDNF/TrkB reflects neurotrophin-mediated synaptic regulation. CREB phosphorylation reflects activity-dependent transcriptional initiation. Synaptic ...
G protein-coupled receptors (GPCRs) are an important family of membrane receptors that enable cells to sense external signals. They can recognize stimuli such as hormones, neurotransmitters, chemokines, lipid mediators, light signals, taste molecules, and metabolites, and convert extracellular ...
Cysteine endopeptidases are a class of proteases in which a catalytic cysteine residue participates in peptide bond hydrolysis. They include plant-derived proteolytic enzymes, lysosomal cathepsins, and endoproteases with specific cleavage-site preferences. Papain, ficin, and chymopapain are ...
Melanin is not a color deposited on the surface of the skin. Rather, it is a natural pigment synthesized by melanocytes. It is present in the skin, hair, and eyes, where it can absorb and scatter part of ultraviolet radiation and participate in the skin’s defense against photodamage.