Biotin Rapid Test (DTS834L)

Regulatory status: For research use only, not for use in diagnostic procedures.

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Size
50T
Sample
Milk, milk products
Intended Use
Biotin Rapid Test is a rapid, one step test for the qualitative detection of biotin in milk and milk products.
Storage
Store at 4-30°C, DO NOT FREEZE or use beyond the expiration date. The shelf life is 12 months.
Detection Limit
The detection limit of biotin with this test is about 25 ng/mL (ppb)
General Description
Biotin (coenzyme R, D-biotin, vitamin B7, vitamin H, and W factor), is a water-soluble B vitamin, which participates in multiple metabolic reactions and affects growth and development in living organisms. Biotin can help normal synthesis and metabolism of fat, glycogen and amino acids in the human body, promote urea synthesis and excretion, purine synthesis and oleic acid biosynthesis, reduce eczema and dermatitis symptoms. Biotin is abundant in liver, kidney, yeast, and milk, and is an important factor for organisms to fix carbon dioxide. It is easy to combine with one of the egg white proteins. Large amounts of raw protein can hinder the absorption of biotin and lead to biotin deficiency.

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References


Chemical proteomics tracks virus entry and uncovers NCAM1 as Zika virus receptor

NATURE COMMUNICATIONS

Authors: Srivastava, Mayank; Zhang, Ying; Chen, Jian; Sirohi, Devika; Miller, Andrew; Zhang, Yang; Chen, Zhilu; Lu, Haojie; Xu, Jianqing; Kuhn, Richard J.; Tao, W. Andy

The outbreak of Zika virus (ZIKV) in 2016 created worldwide health emergency which demand urgent research efforts on understanding the virus biology and developing therapeutic strategies. Here, we present a time-resolved chemical proteomic strategy to track the early-stage entry of ZIKV into host cells. ZIKV was labeled on its surface with a chemical probe, which carries a photocrosslinker to covalently link virus-interacting proteins in living cells on UV exposure at different time points, and a biotin tag for subsequent enrichment and mass spectrometric identification of the receptor or other host proteins critical for virus internalization. We identified Neural Cell Adhesion Molecule (NCAM1) as a potential ZIKV receptor and further validated it through overexpression, knockout, and inhibition of NCAM1 in Vero cells and human glioblastoma cells U-251 MG. Collectively, the strategy can serve as a universal tool to map virus entry pathways and uncover key interacting proteins. The mechanism underlying the cellular entry of Zika virus is not fully understood. Here, the authors use a chemically modified virus and time-resolved proteomics to capture interacting host proteins during virus entry and identify NCAM1 as a ZIKV receptor.

Approved and Emerging Disease Modifying Therapies on Neurodegeneration in Multiple Sclerosis

INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES

Authors: Bross, Madeline; Hackett, Melody; Bernitsas, Evanthia

Multiple sclerosis (MS) is an autoimmune, chronic, progressive disease leading to a combination of inflammation, demyelination, and neurodegeneration throughout the central nervous system (CNS). The outcome of these processes can be visualized in magnetic resonance imaging (MRI) scans as brain atrophy, or brain volume loss (BVL), as well as lesions, "black holes" and spinal cord atrophy. MRI outcomes such as BVL have been used as biomarkers of neurodegeneration and other measures of MS disease progression in clinical research settings. Several FDA-approved medications seek to alleviate disease progression by reducing the impact of such factors as demyelination and neurodegeneration, but there are still many shortcomings that current clinical research aims to mitigate. This review attempts to provide an overview of the FDA-approved medications available for treating multiple sclerosis and their effect on neurodegeneration, measured by BVL.

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