Cell Death and Immunity

Mycoplasma contamination remains one of the most disruptive events in cell culture environments, affecting mammalian cells, stem cells, hybridomas, primary cultures, and viral production workflows. The use of Mycoplasma Elimination Reagents (MER) provides a targeted approach to selectively inhibit, neutralize, and remove mycoplasma species without compromising cellular metabolic stability. This extended article introduces a deep … Read more

Melzer Reagent—commonly called Melzer’s Solution—is one of the foundational iodine-based reagents in fungal microscopy, especially for the identification of amyloid and dextrinoid reactions in spores, asci, hyphae, and tissue structures. Originally formulated by Vilem Melzer, this reagent continues to be indispensable in classical and modern taxonomy, appearing in research manuals from Cornell University (https://plantpathology.cals.cornell.edu), Oregon … Read more

Collagen alpha-1 (XVII) chain (COL17A1) is a structurally critical type II transmembrane collagen essential for epidermal–dermal cohesion and hemidesmosome architecture at the basement membrane. As a core component of epithelial adhesion complexes, COL17A1 undergoes dynamic biosynthesis, proteolytic processing, glycosylation, ectodomain shedding, and extracellular matrix (ECM) integration.Because these biochemical events produce soluble COL17A1 fragments, a Collagen … Read more

Gastrointestinal (GI) Disease PCR Quality Control is a core component of molecular diagnostics for enteric pathogens in stool samples. It ensures that multiplex GI PCR panels, singleplex assays, and lab-developed tests (LDTs) provide accurate, reproducible, and traceable results for bacteria, viruses, and parasites responsible for acute gastroenteritis and chronic GI syndromes. In modern laboratories, GI … Read more

Good Manufacturing Practice (GMP)-grade PEI Transfection Reagent-GMP is a high-performance, cationic polymer engineered for large-scale gene delivery, viral vector manufacturing, recombinant protein expression, and nucleic acid bioprocessing. Its molecular characteristics—including linear or branched polyethylenimine backbones, protonatable amines, and controlled polydispersity—enable robust DNA and RNA complexation, making it a cornerstone tool in advanced mammalian cell engineering. … Read more

Human Astrovirus (HAstV) is a major cause of viral gastroenteritis, particularly in children, the elderly, and immunocompromised individuals. The detection and quantification of HAstV RNA are critical in diagnosing infections and monitoring outbreaks. A HAstV RNA – PCR Qualitative Positive Control is an essential component in molecular diagnostic workflows, providing a standardized sample that helps … Read more