1740 Results for: "Pulverizer"

Supplier: MP Biomedicals

Agarose is a natural polysaccharide isolated from agar or agar-bearing marine algae. Its physical and chemical properties are particularly suited for use as a gel medium for diffusion and electrokinetic movement of biomolecules. Agarose is essentially biologically inert and forms relatively clear, transparent gels. Agarose based gels offer several advantages: High gel strength permits use of low concentrations. The macroporous nature of the gels allows rapid diffusion of high molecular weight molecules. Agarose is Non-toxic. Agarose gels are thermally reversible facilitating sample recovery. Staining and destaining may be done rapidly with minimal background. Because agarose forms macroporous gels that are electrically nonionic, it is an excellent medium for Isoelectric Focusing (IEF). A selection of different formulated agaroses with specific qualities for unique applications are available from MP.
Multipurpose Agarose is a versatile high gel strength agarose, especially designed for a wide range of molecular biology techniques. It is used for resolution of fragments over a large size range from 200 bp up to 50 kb by conventional electrophoresis. It is suitable for use in pulsed field gel electrophoresis and for blotting assays.
High gel strength agarose, especially designed for a wide range DNA. Versatile – separate fragments from 200 bp up to 50 kb by conventional electrophoresis. Concentrations between 0.4% and 6%. Multipurpose Agarose features the highest gel strength available, allowing 0.4 - 0.5% agarose gels. Significantly decreases electrophoresis times. Improves separation of very large fragments. Dissolves easily in a microwave.

Supplier: Brady

These handy boxes feature a lockable storage compartment and a group lockout compartment. Made of heavy duty steel, powder coated for extra rust resistance.

Supplier: MP Biomedicals

Storage: -20°C, desiccate
This is an ultrapure NAD, chromatographically purified to remove trace inhibitors.
β-NAD, a pyridine nucleotide and biologically active form of nicotinic acid, is a coenzyme necessary for the catalytic reaction of certain enzymes. It occurs in living cells primarily in the oxidized state. Serves as a coenzyme of the dehydrogenases, especially in the dehydrogenation of primary and secondary alcohols. NAD usually acts as a hydrogen acceptor, forming NADH which then serves as a hydrogen donor in the respiratory chain.
Many metabolites and enzymes of biological interest are present in tissues at low concentrations. With the use of β-NAD as a catalyst intermediate and several enzymes in a multistep system, known as enzyme cycling, much greater sensitivity for detection of these components is achieved. The reduced form, β-NADH, is fluorescent whereas β-NAD is not. This difference in fluorescence provides a sensitive fluorescent measurement of the oxidized or reduced pyridine nucleotides at concentrations down to 10-7 M.
Electron acceptor. β-NAD is a carrier for hydride ion, forming b-NADH. Hydride ion is enzymatically removed from a substrate molecule by the action of dehydrogenases such as malic dehydrogenase and lactic dehydrogenase. Such enzymes catalyze the reversible transfer of a hydride ion from malate or lactate to b-NAD to form the reduced product, b-NADH. Unlike b-NAD which has no absorbance at 340 nm, b-NADH absorbs at 340 nm (EmM = 6.22). The increase in absorbance at 340 nm with the formation of b-NADH is the basis for measurement of activity of many enzymes.

Supplier: MP Biomedicals

Applications
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. It 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. 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. Also used in the isolation of RNA.
Product Description
The crystal structure of 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 freeflowing 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

Grade: Ultra Pure
Purity: >99%
Keywords: Guanidium chloride, chaotropic agent
Key Applications: Chaeotropic agent
Product Type: Biochemicals
Biochemical Category: Chaotropic Agents
Density: 1.345 g/cm³ at 20 °C (Lit.)
Melting Point: 180-190 °C
UV/Visible Absorbance: OD260nm (6.0 M aq soln) <0.03
Presentation: White Crystalline Powder
pH: 4-6 (6.0 M aq soln)
Solubility: Soluble in water,Clear, Colorless Solution (6 M - clear, colorless solution).
Storage & Handling: Room Temperature, desiccate

Supplier: RSG

Stainless steel 18/10. Multipurpose spoon for a wide range of uses.

Supplier: MP Biomedicals

L-arginine is an amino acid that is necessary for the production of protein, also helps rid the body of ammonia (a waste product) and stimulates the release of insulin. In addition, L-arginine is used to make nitric oxide (a compound that relaxes the blood vessels).

Supplier: MP Biomedicals

Storage: Store at Room Temperature (15-30 °C).
Ethylenediamine Tetraacetic Acid is a polyamino carboxylic acid hexadentate ligand and a chelating agent. This product is designated as Molecular Biology grade and is suitable for molecular biology applications.
Ethylenediamine Tetraacetic Acid is a chelator of divalent cations. It also inhibits enzymes, such as metalloproteases, that require divalent cations for activity.

Supplier: EDVOTEK

Evidence left behind at a crime scene can identify a potential culprit. Even in this age of DNA, fingerprints and blood stains are still important in helping to identify a criminal. In this experiment, students solve a crime by dusting for fingerprints and use fluorescent dust to search for and identify trace amounts of blood.

Supplier: RSG

Stainless steel 18/10 blade with black plastic handle.

Supplier: Dr. Weigert

neodisher® LaboClean A8.

Supplier: Merck

BORON POWDER LAB 1 * 1 kg

Supplier: Merck

COBALT POWDER 99+ 1 * 25 g

Supplier: MP Biomedicals

Potassium sodium tartrate tetrahydrate has been used in organic synthesis to break up emulsions in aqueous workups.

Supplier: MP Biomedicals

Colorless, clear solution at 10 g + 100 ml, in water (Lit.).

Supplier: Dr. Weigert

Mildly alkaline detergent for washing machines with applications including cleaning of surgical instruments, anaesthesia materials, operating theatre clogs and glassware used in medical, biological and chemical laboratories.

Supplier: Dr. Weigert

neodisher® LaboClean GK is especially suitable for the automated cleaning of glassware for cell and tissue cultures, in the field of microbiology as well as nuclear medicine and isotope laboratories.

Supplier: BOCHEM

Stainless steel 18/10, anti-magnetic. With round handle, one flat and one scoop shaped, rounded spatula end.

Supplier: BURKLE

LANCE FOR POWERPROOF SAMPLER 120CM 1 * 1 items

Supplier: PanReac AppliChem

YT-Medium - Powder (2X) 1 * 2,5 kg

Supplier: Liebherr

HANDLE POWDERED WHITE 1 * 1 items

Supplier: MP Biomedicals

L-Histidine has been used to study cultures of the human T-lymphoblastic leukemia cell line MOLT-4 to study modulation of apoptosis. Exogenous histidine has been shown to enhance the biosynthesis of lovastatin by cultured Aspergillus terreus. Histidine has been utilised as a single nitrogen source to probe swarming in Pseudomonas aeruginosa on agar. An in vivo study has used L-histidine to diminish the net secretory response of the small intestine of of cholera toxin-challenged mice.

Supplier: Liebherr

DOOR OPENER SPARE PART 1 * 1 items

Supplier: Dr. Weigert

neodisher® LaboClean UW is suitable for the automated cleaning of laboratory glassware and utensils in water analysis laboratories, in serological institutes and in the phosphates industry. Especially for laboratory glassware used for sensitive analyses, where residues of phosphorous compounds would adulterate analysis results.

Supplier: Heidolph Instruments GmbH & Co.KG

Carboy with overflow sensor (distillate)5L with S8 sensor 1 * 1 items

Supplier: MP Biomedicals

L-Glutamic Acid Monosodium Salt is used as a neurotransmitter at fast synapses; agonist at kainate, NMDA and quisqualate receptors.

Supplier: MP Biomedicals

L-Glutamic Acid is a non-essential amino acid for human development; referred to as an excitatory amino acid (EAA) due to its role in neurotransmission. Acts as a neurotransmitter at fast synapses; agonist at kainate, NMDA and quisqualate receptors. L-Glutamic acid is one of the two amino acids that contains a carboxylic acid group in its side chains.

Supplier: SPECTRUM LABORATORIES

The stainless steel Bessman tissue pulveriser consists of a two-component mortar with handles and a pestle, specifically designed for pulverising 10 - 1000 mg of tissue.

Supplier: MP Biomedicals

Used primarily for lysis of gram positive and gram negative bacteria, fungal tissue and spores, yeasts, moulds, filamentous algaes and biofilms.

Supplier: Honeywell Chemicals

ACTIVATED CHARCOAL, POWDER 1 * 250 g

Supplier: Honeywell Chemicals

POTASSIUM DISULFITE POWDER, EXTRA PURE, N. F., E 224 1 * 6 kg