1740 Results for: "Pulverizer"

Supplier: MP Biomedicals

Storage: Room Temperature, desiccate
Potassium phosphate is a reagent with high buffering capacity. It occurs in several forms: monobasic, dibasic and tribasic (K3PO4). Most pH neutral potassium phosphate buffer solutions consist of mixtures of the monobasic and dibasic forms to varying degrees, depending on the desired pH.
Potassium phosphate monobasic is typically used as a component for a wide variety of media used in the culture of microorganisms. It is widely used in molecular biology, biochemistry, and chromatography. It is a component in phosphate buffered saline (PBS). In addition to helping maintain pH, it supplies essential phosphate.

Supplier: MP Biomedicals

Coomassie Brilliant Blue G-250 is a protein stain in electrophoresis. Brilliant Blue G has been used in the Bradford dye-binding protein assay.

Supplier: MP Biomedicals

Glutamate is a key compound in cellular metabolism. It is the most abundant excitatory neurotransmitter in the vertebrate nervous system. It also serves as the precursor for the synthesis of the inhibitory GABA in GABA-ergic neurons. This reaction is catalyzed by glutamate decarboxylase (GAD), which is most abundant in the cerebellum and pancreas.

Supplier: Brady

These padlock control centres provide safe storage and controlled access to padlocks.

Supplier: HyClone products (Cytiva)

Balanced salt solution used for multiple cell culture applications (powder form).

Supplier: MP Biomedicals

PIPES is a zwitterionic N-substituted aminosulfonic acid "Good" buffer.
PIPES is used to buffer glutaraldehyde fixative solutions when fixing plant and/or animal tissue samples. This will help prevent the loss of lipids. It is also used to buffer glutaraldehyde and formaldehyde when fixing fungal zoospores for fluorescence microscopy and electron microscopy. PIPES tends to give optimal results.
Buffers can be made by adding a solution of base to PIPES free acid, titrating to the appropriate pH.

Supplier: MP Biomedicals

Coomassie Blue R-250 is a triphenylmethane dye used extensively in SDS-PAGE for the analysis of proteins.

Supplier: USBECK Laborgeräte

Powder-coated steel, thickness 10 mm.

Supplier: MP Biomedicals

Brilliant blue G is a useful dye for SDS gels as it readily stains proteins with minimal background color. Protein bands can be visualised during staining. It has been used in the Bradford dye-binding protein assay.

Supplier: MP Biomedicals

Coomassie® Brilliant Blue R-250 is a fast acting, sensitive dye, which can be used on SDS gels, IEF gels, and standard gels.

Supplier: MP Biomedicals

Agarose High Resolution is an intermediate melting agarose with approximately twice the resolution capability of routine agarose. It is a purified linear galactan hydrocolloid isolated from agar or agar-bearing marine algae. It is ideal for the resolution of small DNA fragments in the range 20 bp to 2000 bp.
Agarose high resolution is an intermediate melting and gelling point agarose which exhibits superior sieving characteristics. It is recommended for analytical gels of DNA fragments under 1000 bp and is ideal for small DNA fragments down to 20 bp can be separated on 6 % gels. It resolves fragments differing in size by only 2 bp. Its use avoids the need for PAGE Southern and Northern transfers can be achieved efficiently from them at concentrations up to 2%. DNA fragments can be purified with high efficiency from this agarose gels up to 4% by using either a purification kit or an electroelution system.

Supplier: Retsch GmbH

The mortar grinder RM 200 comminutes inorganic and organic substances to analytical fineness. It can mix and homogenise powders, suspensions and pastes. The grinder is also ideal for the uniform trituration of homeopathic and pharmaceutical products. Depending on the sample, amounts from approx. 10 to 190 ml can be processed in the RM 200.

Supplier: MP Biomedicals

Storage: Store at Room Temperature (15-30 °C)
L-Glutamine, the uncharged and amidated analog of L-glutamic acid, is an important amino acid for the incorporation of NH4+ into biomolecules. It is biosynthesized from NH4.
L-Glutamine is an essential amino acid that is a crucial component of culture media that serves as a major energy source for cells in culture.
L-Glutamine is an essential amino acid that is a crucial component of culture media that serves as a major energy source for cells in culture. L-Glutamine is very stable as a dry powder and as a frozen solution. In liquid media or stock solutions, however, L-glutamine degrades relatively rapidly. Optimal cell performance usually requires supplementation of the media with L-glutamine prior to use.

Supplier: MP Biomedicals

Coenzyme A is an essential cofactor in enzymatic acetyl transfer reactions. The principal biologically active forms of pantothenic acid are coenzyme A (CoA) and acyl carrier protein (ACP). In CoA, the business center of the molecule is the pantothenic acid metabolite 4'-phosphopantetheine. Coenzyme A is comprised of 4'-phosphopantetheine linked by an anhydride bond to the nucloetide adenosine 5'-monophosphate. 4'-Phosphopantetheine itself is comprised of pantothenic acid linked at one end, via an amide bond, to beta-mercaptoethylamine, derived from L-cysteine, and at the other end to a phosphate group. The sulfhydryl group of 4'-phosphopantetheine, which is the business end of the coenzyme, forms thioesters with acyl groups producing acyl-CoA derivatives, including acetyl-CoA.
Coenzyme A facilitates removal of lipid peroxides by increasing mobilization of fatty acids, and promote repair of plasma membranes by activating phospholipid synthesis.

Supplier: MP Biomedicals

Quinine Hydrochloride is an alkaloid originally isolated from the Cinchona family of South American trees. It is an antimalarial agent, anticholinergic, antihypertensive and hypoglycemic agent.

Supplier: MP Biomedicals

Bromophenol blue is a tracking dye for alkaline and neutral buffer systems. It is used as a tracking dye in DNA, RNA (agarose) and protein (polyacrylamide) gel electrophoresis.

Supplier: MP Biomedicals

Storage: Store at Room Temperature (15-30 °C). Protect from light.
Folic acid, also known as folate, is a B vitamin that can be found in a variety of fruits and vegetables. It can also be chemically synthesized. Folate, a watersoluble vitamin, helps the body form red blood cells and aids in the formation of genetic material within every body cell. Folic Acid is a hematopoietic vitamin present, free or combined with one or more additional molecules of L- (+)-glutamic acid, in liver, kidney, mushrooms, spinach, yeast, green leaves, and grasses.
A nutritional delivery form of folate. Folic acid and its derivatives are essential mediators of one-carbon metabolism within cells.

Supplier: Sampling Systems

Designed to collect single large volume sample from a single known point of free flowing powders from drums, kegs, and most containers.

Supplier: MP Biomedicals

Sodium chloride is a commonly used chemical which is found widely in nature. It is considered to be an essential nutrient. Excess amounts of sodium chloride can destroy electrolyte balance and cause death in most animals, including humans.
Sodium chloride is used in a wide variety of biochemical applications, including intravenous fluids (normal saline is 0.9% w/v in water 10), density gradients 3,6, a diluent to increase ionic strength in buffers or culture media and in salt-out procedures in the isolation of DNA. It has also been used in high concentrations for preservation of foods since bacteria cannot grow in high salt conditions. A salt-ice mixture in the ratio of approximately 33 g sodium chloride to 100 g ice (at -1°C) will drop in temperature to as low as -21°C, depending on the rate of stirring and the size of the ice chunks.

Supplier: MP Biomedicals

SDS is an anionic detergent and wetting agent that is effective in both acid and alkaline solutions.
Used to solubilize and denature proteins for denaturing-PAGE. Most proteins bind SDS in a ratio of 1.4 g SDS per gram of protein. The charges intrinsic to the protein become insignificant compared to the overall negative charge provided by the bound SDS. The charge to mass ratio is essentially the same for each protein and will migrate in the gel based only on their size.

Supplier: MP Biomedicals

Storage: Store at Room Temperature (15-30 °C). Store Desiccated.
L-Asparagine is used in cell culture media and is a component of MEM non-essential amino acids solution. L-Asparagine has been shown to enhance ornithine decarboxylase activity in cultured human colon adenocarcinoma Caco-2 cells and in cultured IEC-6 intestinal epithelial cells. Spore germination in Bacillus subtilis has been increased in the presence of L-asparagine. An isoxazoline RGD mimic platelet GPIIb/IIIa antagonist has been prepared by chiral synthesis with L-asparagine as a starting material. L-Asparagine has been utilized in the synthesis of 4-azalysine building blocks for application to combinatorial chemistry.

Supplier: MP Biomedicals

Deoxycholic Acid Sodium Salt Monohydrate is an anionic biological detergent for the solubilization of membrane-bound proteins.

Supplier: MP Biomedicals

Piperacillin is a semisynthetic, broad-spectrum ureidopenicillin antibiotic. It is derived from ampicillin. Piperacillin inhibits the last stage of bacterial cell wall synthesis by binding to certain penicillin-binding proteins (PBPs), which results in cell lysis. Cell lysis is mediated by bacterial cell wall autolytic enzymes. Piperacillin may interfere with autolysin inhibitors.
It has been used in pharmacokinetic studies in order to optimize antimicrobial therapy in patients with sepsis. It is used to study piperacillin hypersensitivity reactions and to study multidrug-resistant organisms.
Piperacillin inhibits the last stage of bacterial cell wall synthesis by binding to certain penicillin-binding proteins (PBPs), which results in cell lysis. Cell lysis is mediated by bacterial cell wall autolytic enzymes. Piperacillin may interfere with autolysin inhibitors.

Supplier: MP Biomedicals

Kanamycin Monosulfate is an aminoglycoside bacteriocidal antibiotic which acts as an inhibitor of protein biosynthesis by producing a misreading of the 70s-ribosome.
Kanamycin Monosulfate used in biotechnology applications to inhibit protein synthesis. It is also used as a selection agent for cells transformed with kanamycin B (neoR, kanR) resistance gene.
Mode of Action: Binds to 70S ribosomal subunit; inhibits translocation; elicits miscoding. Antimicrobial spectrum: Gram-negative and Gram-positive bacteria, and mycoplasma.

Supplier: MP Biomedicals

Storage: Room Temperature
Guanidine hydrochloride consists of a network of guanidinium cations and chloride anions linked by N–H•••Cl hydrogen bonds, it is a strong chaotropic agent. Guanidine HCl may agglomerate upon storage. It may appear as a free-flowing crystalline powder, a free flowing powder with solid material dispersed throughout, or a solid. The quality of the product does not appear to be affected and solutions prepared from the free-flowing and lumpy guanidine HCl appear identical.
Guanidine hydrochloride can be used as the first step in refolding proteins or enzymes into their active form. Urea and dithiothreitol (DTT) may also be necessary. Also used in the isolation of RNA. Guanidine hydrochloride is a strong chaotropic agent useful for the denaturation and subsequent refolding of protein, it can solubilize insoluble or denatured proteins such as inclusion bodies and be used for the recovery of periplasmic proteins.

Supplier: Brady

This box accommodates 8 to 10 locks (depending on lock size).

Supplier: MP Biomedicals

Ethylenediaminetetraacetic Acid Trisodium Salt Hydrate White Crystalline Powder

Supplier: BURKLE

The disposable powder funnel has a short, wide discharge and is suitable for transferring powdered samples and materials, granulates and suspensions as well as other liquids.

Supplier: MP Biomedicals

Guanidine Hydrochloride is a protein denaturant and thus having an important role in molecular weight determinations.
Guanidine Hydrochloride is a strong chaotropic agent useful for the denaturation and subsequent refolding of proteins. This strong denaturant can solubilize insoluble or denatured proteins such as inclusion bodies. This can be used as the first step in refolding proteins or enzymes into their active form. Urea and dithiothreitol (DTT) may also be necessary. Guanidine HCl is used in the isolation of RNA to dissociate the nucleoprotein into its nucleic acid and protein moieties. It is an inhibitor of RNase. Highly concentrated (6 - 8 M) Guanidine HCl solutions are used to denature native globular proteins. It apparently disrupts hydrogen bonds which hold the protein in its unique structure. However, there also is evidence suggesting that guanidine hydrocholoride may disrupt hydrophobic interactions by promoting the solubility of hydrophobic residues in aqueous solutions.

Supplier: MP Biomedicals

Sodium phosphate dibasic heptahydrate is a reagent with very high buffering capacity widely used in molecular biology, biochemistry and chromatography. Sodium phosphate dibasic is highly hygroscopic and water soluble. Useful in conjunction with Sodium Phosphate, Monobasic in the preparation of biological buffers.