You searched for: Biological Standards

Avantor offers a wide range of certified biological standards designed for instrument calibration in ion-exchange chromatography (IC) applications, which can be applied toward environmental or food analysis and quality control. IC is an analytical technique used for the separation and quantification of anions and cations in aqueous samples. Avantor offers high-purity, well-defined reference materials ideal for low-ppm level quantification or trace analysis. Bottles of biological standards are available for a range of elements.

Mouse 5-mC and 5-hmC DNA Standards, Zymo Research

Supplier: Zymo Research

Control DNA for 5-mC and 5-hmC detection and/or quantitation applications.

Expand 5 Items

Microbial Community DNA Standard, ZymoBIOMICS®, Zymo Research

Supplier: Zymo Research

The ZymoBIOMICS Microbial Community DNA Standard is designed to assess bias, errors and other artifacts after the step of nucleic acid purification.

Expand 1 Items

AdvanceBio 2-AB Labeled Glycans Standard

Supplier: AGILENT TECHNOLOGIES, INC (CSD) CA

2-AB labeled N-glycan standards and libraries provide high confidence in identification of samples. N-glycan (oligomannose 5) labeled with 2-aminobenzamide (2-AB).

Expand 1 Items

BOD Seed Inoculum, POLYSEED, Hach

Supplier: Hach

BOD Seed Inoculum for use in Biochemical Oxygen Demand (BOD5) test procedures. A blend of specialized microbial cultures in an easy-to-use capsule. Designed to provide a uniform standard for the degradation of both industrial and municipal waste in BOD5 analyses.

Expand 1 Items

Human/Mouse Reference RNA, Agilent Technologies

Supplier: AGILENT TECHNOLOGIES (GENOMICS) CA

Total RNA which has been extracted from cell lines representing different human tissues, pooled (10 human) or pooled (11 mouse), and treated to remove DNA to undetectable levels.

Expand 2 Items

Helix Elite Synthetic Standard, Microbiologics

Supplier: MICROBIOLOGICS, INC.

Comopatible with a variety of instruments, kits, and applications.

Expand 2 Items

Helix Elite Inactivated Standard, Microbiologics

Supplier: MICROBIOLOGICS, INC.

Inactivated Helix Elite Molecular Standards are used for every step of the molecular testing process, from extraction, to amplification and detection.

Expand 2 Items

BSE Reference Standards, Electron Microscopy Sciences

Supplier: Electron Microscopy Sciences

When equipped with a back-scattered electron detector, an electron microscope has the capability to produce images in which the contrast is controlled by differences in atomic number across the specimen

Expand 3 Items

AdvanceBio Amino Acid Analysis (AAA), Agilent Technologies

Supplier: AGILENT TECHNOLOGIES, INC (CSD) CA

AdvanceBio Amino Acid Analysis (AAA) includes proven reagents for amino acid derivatization, a ready-to-use amino acid standards kit, columns based on innovative Poroshell technology, and expert support.

Expand 1 Items

Quinine sulfate Dihydrate *Fluorescence Reference Standard, Anaspec Inc.

Supplier: Anaspec Inc

Reference standard for measuring fluorescence quantum yield.

Expand 1 Items

Fluorescein Fluorescence Reference Standard, Anaspec Inc.

Supplier: Anaspec Inc

pH-dependent fluorescence; Maximum intensity observed in basic solutions.

Expand 1 Items

Control Standard Endotoxin (CSE), Associates of Cape COD

Supplier: ASSOCIATES OF CAPE COD INC MS

Control standard endotoxin (CSE) is a widely used standard for endotoxin testing. It is a purified extract of E. coli O113:H10, the same strain used for the United States Pharmacopeia and the European Pharmacopeia reference standard endotoxin (RSE).