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1175 risultati per "NMR"

1175 Risultati per: "NMR"

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1,1,2,2-Tetracloro etano-D2 (99.5% D), MagniSolv™ per spettroscopia NMR, Sigma-Aldrich®

Supplier: Merck

A wide range of MagniSolv™ deuterated solvents with extremely low residual water, excellent chemical purity, and the highest isotopic enrichment available can satisfy the most demanding requirements of researchers. Depending on application and sensitivity of the NMR spectrometer our offer solvents with deuteration degrees between 98% and 99.96%. In case of all the water soluble deuterated standard products, water content is specified according to both Karl Fischer and NMR.

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DEA NONOate ≥98% (by NMR), white to off-white solid

Supplier: ENZO LIFE SCIENCES

DEA NONOate is used as a nitric oxide donor.

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Dimetilsolfossido-D6 (99.9% D) +0.05% V/V TMS per spettroscopia NMR

Supplier: CAMBRIDGE ISOTOPE LABS

Dimetilsolfossido-D6 (99.9% D) +0.05% V/V TMS per spettroscopia NMR

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Caps for NMR tubes, Bruker® SampleJet®, SP Wilmad-LabGlass

Supplier: SP Industries

NMR tube cap, Bruker® SampleJet®, 5,0 mm, without hole with code, per Ø esterno: 5,0 mm

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PS NMR System Suitability, Reference Standard

Supplier: USP

USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.

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1,4-Dioxane solution, 10% in benzene-d6 (99.6 atom % D), NMR reference standard, Supelco®

Supplier: Merck

Organic Standard, 1,4-Dioxane solution, 10% in benzene-d6 (99.6 atom % D), NMR tube size 5 mm x 8 in.

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Autoinduction systems, Overnight Express™ NMR Media

Supplier: Merck Millipore (Novagen)

The Overnight Express™ Autoinduction Systems enable regulated protein expression in E. coli, without monitoring the culture or adding inducer during cell growth.

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Coaxial inserts for NMR precision sample tubes, SP Wilmad-LabGlass

Supplier: SP Industries

Coaxial insert, 2600 µl, with 2200 µl inner vloume and 4×50 mm stem, for 5 mm NMR precision sample tube only

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4-(3-Pyridin-2-yl-1H-pyrazol-4-yl)quinoline ≥97% (by 1H-NMR)

Supplier: ENZO LIFE SCIENCES

Cell permeable, potent, selective and ATP-competitive inhibitor of TGF-β RI kinase (IC50=51nM). Displays ~15-fold greater selectivity over p38α MAPK (IC50=740nM). Inhibits TGF-β-dependent cellular growth (IC50=89nM in NIH 3T3 mouse fibroblasts) and transcription activation (IC50=47nM in mink lung cells). Suppresses invasion of MDA-MB-231 breast cancer cells in a matrigel invasion assay.

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Urea-13C,15N2 solution, (99 atom % 13C, 98 atom % 15N), NMR reference standard, Supelco®

Supplier: Merck

Organic Standard, Urea-13C,15N2 solution, (99 atom % 13C, 98 atom % 15N), NMR tube size 5 mm x 7 in.

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NMR sample tube caps, SP Wilmad-LabGlass

NMR sample tube caps, SP Wilmad-LabGlass

Supplier: SP Industries

Manufactured in ethylene vinyl acetate (EVA).

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Tris(hydroxypropyl)phosphine ≥80% (by 31P-NMR), Millipore®

Supplier: Merck Millipore (Calbiochem‎)

A water-soluble, neutral, and odorless disulfide reducing agent that is more stable and effective than DTT. THP is comparable with TCEP as a reducing agent. Its reduction capacity against oxidised glutathione is 0,232 meq/g (TCEP has a reduction capacity of 0,182 meq/g). THP is also more resistant to air oxidation as compared to DTT.

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4-Bromo-A-23187 free acid ≥98% (by TLC, NMR) ionophore, for calcium determination

Supplier: Biotium

Similar to A-23187, 4-Bromo A-23187 is used for in situ calibrations of fluorescent Ca2 indicators to equilibrate intracellular and extracellular calcium concentrations and to allow Mn2 to enter cells to quench indicator fluorescence. However, since 4-bromo A-23187 is nonfluorescent, it is preferred over the blue fluorescent A-23187 for calibrations of UV-excited Ca2 indicators such as Indo-1 and Fura-2 in order to keep background fluorescence to a minimum.

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Elettrodi pH, InLab® Micro / InLab® Nano / InLab® NMR

Elettrodi pH, InLab® Micro / InLab® Nano / InLab® NMR

Supplier: Mettler - Toledo

Con connettore S7 o BNC

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BS3 (Bis(sulphosuccinimidyl) suberate sodium salt) ≥93% (by NMR), Pierce™

Supplier: Thermo Fisher Scientific

Thermo Scientific Pierce BS3 (Sulfo-DSS) is bis(sulfosuccinimidyl)suberate, an amine-to-amine crosslinker that is homobifunctional, water-soluble, non-cleavable and membrane impermeable.

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BS3 (Bis(sulphosuccinimidyl) suberate sodium salt) ≥93% (by NMR), Pierce™

BS3 (Bis(sulphosuccinimidyl) suberate sodium salt) ≥93% (by NMR), Pierce™

Supplier: Thermo Fisher Scientific

Thermo Scientific Pierce BS3 (Sulfo-DSS) is bis(sulfosuccinimidyl)suberate, an amine-to-amine crosslinker that is homobifunctional, water-soluble, non-cleavable and membrane impermeable.

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EMCH.TFA (E-Maleimidocaproic acid hydrazine trifluoroacetic acid salt) ≥90% (by NMR), Pierce™

EMCH.TFA (E-Maleimidocaproic acid hydrazine trifluoroacetic acid salt) ≥90% (by NMR), Pierce™

Supplier: Thermo Fisher Scientific

Thermo Scientific Pierce EMCH is a mid-length, maleimide-and-hydrazide crosslinker for conjugating sulfhydryls (cysteines) to carbonyls (aldehyde or ketones, such as those formed by oxidation of glycoprotein carbohydrates).

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9-Methyl-3-((2-methyl-1H-imidazol-1-yl)methyl)-2,3-dihydro-1H-carbazol-4(9H)-one ≥98% (by NMR), white solid
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Utility washer

Utility washer

Supplier: KLEINFELD

This washer is used for rapid, safe washing and drying of cuvettes, tubes and small scale volumetric items up to approximately 22 mm OD.

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Septa for Precision NMR tubes, SP Wilmad-LabGlass

Supplier: SP Industries

Natural rubber septa suitable for 5 mm OD thin wall Precision NMR tubes.

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Micro spatula for NMR sample tubes, SP Wilmad-LabGlass

Supplier: SP Industries

Stainless steel. This spatula fits into the most common NMR tubes. It enables users to get a tiny powder sample into any tube larger than 4 mm ext. Ø.

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Spare needles for 25 to 500 µl syringes

Spare needles for 25 to 500 µl syringes

Supplier: Trajan Scientific and Medical

Needle, Gauge: 23, Lunghezza: 180 mm, Ø est.: 0,63 mm, Tipo punta: Bevelled, N25/500-NMR-18/0.63BV

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pH electrode, micro, Orion™ 9826BN

pH electrode, micro, Orion™ 9826BN

Supplier: Thermo Orion

This long length combination electrode can be used to accurately measure pH in NMR cells.

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Ethylene carbonate, Standard for quantitative NMR, TraceCERT®, Supelco®

Supplier: Merck

Organic Standard, Ethylene carbonate

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Racks for NMR sample tubes, SP Bel-Art

Racks for NMR sample tubes, SP Bel-Art

Supplier: Bel-Art Products, a Part of SP

These PP racks are made specifically for organising and protecting thin-walled nuclear magnetic resonance tubes.

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NMR tubes, polyethylene pressure caps

NMR tubes, polyethylene pressure caps

Supplier: DWK Life Sciences

Tight-fitting, polyethylene cap which stays in place even with a build-up of internal vaporisation pressures.

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Sodium acetate + water in deuterium oxide, (99,9 atom % D), LC-NMR reference standard, Supelco®

Supplier: Merck

Organic Standard, Sodium acetate + water in deuterium oxide, (99,9 atom % D)

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NMR tube screw caps and septa, SP Wilmad-LabGlass

Supplier: SP Industries

PTFE/silicone rubber septum for 4 and 5 mm tubes

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