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Supplier: Adipogen
Description: Activation of cells by LPS is mediated by the Toll-like receptor 4 (TLR4). For optimal interaction with LPS, TLR4 requires association with myeloid differentiation protein 2 (MD-2). According to current consensus activation of TLR4 is preceded by the transfer of LPS to membrane-bound (m) or soluble (s) CD14 by LPS-binding protein (LBP). Re-form LPS and lipid A, but not S-form LPS, are capable of inducing TNF-alpha responses also in the absence of CD14. LPS, synthesized by most wild-type (WT) Gram-negative bacteria (S-form LPS), consists of three regions, the O-polysaccharide chain, which is made up of repeating oligosaccharide units, the core oligosaccharide and the lipid A, which harbors the endotoxic activity of the entire molecule. R-form LPS synthesized by the so-called rough (R) mutants of Gram-negative bacteria lacks the O-specific chain. Furthermore, the core-oligosaccharide may be present in different degrees of completion, depending on the class (Ra to Re) to which the mutant belongs. LPS are amphipathic molecules whose hydrophobicity decreases with increasing length of the sugar part. Based upon these differences, S- and R-form LPS show marked differences in the kinetics of their blood clearance and cellular uptake as well as in the ability to induce oxidative burst in human granulocytes and to activate the host complement system.

Supplier: Corning
Description: These low binding barrier tips feature an inert, high-density PE barrier to eliminate aerosol carryover contamination during critical pipetting procedures. The tips will not trap liquids or inhibit PCR in the event of over pipetting.
Catalog Number: (10015-662)
Supplier: Sklar
Description: Sklarcut™ Metzenbaum-Lahey Dissecting Scissors are used for dissecting and cutting tissue only.


Catalog Number: (10196-416)
Supplier: Sklar
Description: Hildebrandt Uterine Hemostatic Forceps are industry standard.


Catalog Number: (76202-464)
Supplier: MP Biomedicals
Description: Rich medium for the growth of <i>E. coli</i> and certified for plasmid and other bacterial cultures in liquid medium.

Supplier: Sklar
Description: Merit™ Teat Tumor Extractor 4.5mm is a reusable, nickel plated stainless steel, physician grade instrument.

Supplier: GE Healthcare - Whatman
Description: Whatman mixed cellulose ester membranes are composed of cellulose acetate and cellulose nitrate. These membranes are characterized by a smoother and more uniform surface than pure nitrocellulose filters.
Supplier: Sklar
Description: Econo™ Lorna (Edna) Towel Clamps are a non-perforating clamp used to secure instruments, surgical materials such as tubing, and towels to the drape surrounding a surgical site.

Catalog Number: (100190-782)
Supplier: MOLTOX Molecular Toxicology
Description: Histidine/Biotin solution is used for the genetic toxicity assays with emphasis on microbial mutagenicity.


Supplier: Sklar
Description: Schroeder Vulsellum Forceps are industry standard.

Catalog Number: (10195-190)
Supplier: Sklar
Description: TC Wangensteen Needle Holders are constructed of Tungsten Carbide and stainless steel


Catalog Number: (10195-704)
Supplier: Sklar
Description: Herrick Kidney Clamps are Stainless Steel and Industry Standard.


Supplier: Sklar
Description: Surgi-OR™ Russian Forceps are medium-heavy forceps used for grasping heavy or thick tissue

Catalog Number: (76221-864)
Supplier: Rockland Immunochemical
Description: MEK2 pS222-pS226 human recombinant control protein


Supplier: GE Healthcare - Life Sciences
Description: Sephadex G-10 is a well established gel filtration medium for desalting and buffer exchange of peptides and small biomolecules >700 molecular weight.
Catalog Number: (89214-348)
Supplier: Corning
Description: Corning® 50 ml PP preassembled closed systems solution centrifuge tubes, self-standing, with accessory.

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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
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  • State issued document with your organization's Federal Tax ID Number
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The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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