Propargyl-PEG5-t-butyl ester has one of the functional groups protected by t-butyl group. The protection can be removed under acidic conditions. The propargyl group forms triazole linkages with azide-bearing compounds or biomolecules via copper catalyzed Click Chemistry. The PEG units help improving the water-solubility of the molecule in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.
Propargyl-PEG5-t-butyl ester has one of the functional groups protected by t-butyl group. The protection can be removed under acidic conditions. The propargyl group forms triazole linkages with azide-bearing compounds or biomolecules via copper catalyzed Click Chemistry. The PEG units help improving the water-solubility of the molecule in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.
SD-25/SD-25C Vacuum Centrifugal Concentrator
Ambient temperature type/Refrigerated type
Technical Parameter
| Temperature range | Room Temperature~+80℃ | -10℃~+80℃ |
| Temperature Accuracy | 士1℃ | |
| Max.Speed | 2500rpm | |
| Max.Capacity | 6x100ml | |
| Timer | 0~99h59min | |
| Vacuum control range | 0.1~1000mbar | |
| Main unit withstands vacuum levels | 0.01mbar | |
| Noise | ≤55dBA | ≤65dBA |
| Voltage | 0.7kw | 1.3kw |
| Power supply | 220v,50Hz | |
| Dimension(L×W×Hmm) | 360*448*304mm | 440*653*420mm |
Adapter Rotor
| Rotor Type | Rotor Volume | Rotor Type | Rotor Volume |
| Angle Rotor | 42×1.5/2ml | Angle Rotor | 8×50ml |
| Angle Rotor | 108×1.5/2ml | Angle Rotor | 6×100ml |
| Angle Rotor | 48×5ml | Angle Rotor | 16*20ml Sample vial |
| Angle Rotor | 30×10ml | Angle Rotor | 16*5ml+8*4ml+8*3ml |
| Angle Rotor | 24×15ml | Microplate Rotor | 2×96well |
Key features：
1. High-definition LCD touch screen, simultaneously displaying operational parameters: speed, temperature, vacuum, and running time.
2. Delayed start: after reaching a fixed speed, Start the vacuum pump to effectively prevent sample mixing.
3. Fully automatic vacuum control system, vacuum setting range0.1~1000mbar, Control accuracy0.1mbar.
4. 1.5/2ml Rotor stacking for simultaneous use; rotor replacement without tools.
5. Programmable with temperature and pressure settings; capable of storing 36 programs
6. Compatible with various rotor heads; transparent glass window for easy observation.
7. Magnetic drive: maintenance-free, non-contact drive, fully sealed.
8. Safety in use: inductive electric self-suction door lock ensures the centrifugal concentrator can only start when the door cover is fully closed and locked.
9. Can be used in conjunction with freeze-drying systems
Model:
SD-25/SD-25C
Brand:
Yingtai
Description
YesBlot™ Western Marker I is a ready-to-use mixture with ten IgG-binding proteins covering a wide range of molecular weights from 15 to 200 kDa in Tris-Glycine buffer. YesBlot™ Western Marker I performs dual functions. First, it contains 4 pre-stained proteins (10, 25, 45 and 70 kDa) for monitoring protein separation during SDS-PAGE, verification of Western transfer efficiency on membranes (nitrocellulose, PVDF, or nylon) and for approximating the protein size. Second, ten IgG-binding proteins can be immuno-detected on film or by CCD imaging. YesBlot™ Western Marker I is compatible for chemiluminescent, fluorescent, chromogenic or other detection systems. In addition, YesBlot™ Western Marker I has two reference bands with enhanced intensity (at 30 kDa and 80 kDa). The marker is supplied in the gel loading buffer and is ready to use. Do NOT heat, dilute, or add reducing agents before loading.
Features
Contents
The YesBlot™ Western Marker I contains recombinant IgG binding proteins, prestained recombinant proteins, glycerol and SDS.
Storage
4°C for 3 months
-20°C for 24 months
YesBlot™ Western Marker I is a ready-to-use mixture with ten IgG-binding proteins covering a wide range of molecular weights from 15 to 200 kDa in Tris-Glycine buffer. YesBlot™ Western Marker I performs dual functions. First, it contains 4 pre-stained proteins (10, 25, 45 and 70 kDa) for monitoring protein separation during SDS-PAGE, verification of Western transfer efficiency on membranes (nitrocellulose, PVDF, or nylon) and for approximating the protein size. Second, ten IgG-binding proteins can be immuno-detected on film or by CCD imaging. YesBlot™ Western Marker I is compatible for chemiluminescent, fluorescent, chromogenic or other detection systems. In addition, YesBlot™ Western Marker I has two reference bands with enhanced intensity (at 30 kDa and 80 kDa). The marker is supplied in the gel loading buffer and is ready to use. Do NOT heat, dilute, or add reducing agents before loading.
K-LMALAF
SKU: 700004312
245.5 mL of prepared reagent (e.g. 1116 assays of 0.22 mL)
| Content: | 245.5 mL of prepared reagent (e.g. 1116 assays of 0.22 mL) |
| Shipping Temperature: | Ambient |
| Storage Temperature: | Short term stability: 2-8oC, Long term stability: See individual component labels |
| Stability: | > 2 years under recommended storage conditions |
| Analyte: | L-Malic Acid |
| Assay Format: | Auto-analyser |
| Detection Method: | Absorbance |
| Wavelength (nm): | 340 |
| Signal Response: | Increase |
| Linear Range: | up to 80 μg/mL of L-malic acid in final reaction solution |
| Limit of Detection: | 20 mg/L |
| Reaction Time (min): | ~ 3 min |
| Application examples: | Wine, beer, fruit juices, soft drinks, candies, fruit and vegetables, bread, cosmetics, pharmaceuticals and other materials (e.g. biological cultures, samples, etc.). |
| Method recognition: | Methods based on this principle have been accepted by AOAC, EEC, EN, NF, NEN, DIN, GOST, OIV, IFU, AIJN, NBN, ISO and MEBAK |
The L-Malic Acid (Analyser Format) test kit is an analyser format for the specific measurement and analysis of L-malic acid (L-malate) in beverages and food products. On calibration, the prepared reagent is linear to > 80 micrograms of L-malic acid per mL of assay solution.
View more assay kits on our organic acid list.
Advantages
The L-Malic Acid (Analyser Format) test kit is an analyser format for the specific measurement and analysis of L-malic acid (L-malate) in beverages and food products. On calibration, the prepared reagent is linear to > 80 micrograms of L-malic acid per mL of assay solution.
