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Attention Thomas Scientific Customers

Due to current pandemic, lead times for PPE items are longer than what is listed on our website. Please expect shipping delays of all PPE products during this time.

  • CAS 9048-46-8 Cold Alcohol Isolation Biotechnology grade Purity (Electrophoresis): >99% Moisture DNase/RNase: None Detected Ash: 0.5% Heavy Metals: 0.005% Storage: 2-8°C

  • 1mg/ml BSA solution in 0.85% Sodium Chloride and 0.01% Sodium azide.

  • Standard used for determining protein concentration by CB protein assay. This coomassie dye-based protein assay provides simple, rapid estimation of protein concentration and can be performed using as little as 1mg protein per sample. CB-Protein Assay is supplied ready to use with an easy…

  • Conalbumin (ovotransferrin), Gal d3, is the second most common protein in egg-white. It is a plasma protein that is responsible for binding and transporting iron. Conalbumin is a major allergen of hen's egg-white.

  • Acetylated to inactivate nucleases commonly found in BSA. Acetylated BSA should not be used as a protein standard since acetylation of tyrosine residues prevents color development in the Lowry assay and other similar protein determinations. It is prepared by a modified method of the Cohn cold…

  • Reagent grade, fatty acid free Moisture: < 1.0% Heavy metals: <0.5% Endotoxin: ≤0.1EU/mg pH (10% water): 6.5 - 7.5

  • Functions by binding to hemoglobin. 98.0% (HPCE), powder, color off-white Occurs as 3 major phenotypes: type 1-1, type 2-1, type 2-2

  • bioWORLD's products are supplied for LABORATORY RESEARCH USE ONLY. The product may not be used as a drug, agricultural or pesticidal product, food additive or as a household chemical.

  • Protein with numerous biochemical applications including ELISAs, immunoblots, and immunohistochemistry Biotechnology Grade Heat shock isolation Appearance: white to off-white powder pH (5% water): 6.5-7.5 Heavy Metals (Pb): DNase: None detected RNase: None detected Protease: None…

  • Reagent grade, fatty acid free Moisture: < 1.0% Heavy metals: <0.5% Endotoxin: ≤0.1EU/mg pH (10% water): 6.5 - 7.5

  • Avidin Protein


    A biotin-binding glycoprotein prepared from chicken egg white, Molecular weight=67kDa, pI = 10 Glycosylation and isoelectric point make avidin more soluble than streptavidin Significantly less expensive than recombinant streptavidin protein Based on strong binding with biotin, avidin is…

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