DBCO-NHCO-PEG13-acid is an analog of DBCO-Acid with a hydrophilic PEG spacer arm, which improves water solubility. This reagent is a non-activated building block with enhanced solubility in aqueous media used to derivatize amine-containing molecule through a stable amide bond. DBCO is commonly used for copper-free Click Chemistry reactions. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.
DBCO-NHCO-PEG13-acid is an analog of DBCO-Acid with a hydrophilic PEG spacer arm, which improves water solubility. This reagent is a non-activated building block with enhanced solubility in aqueous media used to derivatize amine-containing molecule through a stable amide bond. DBCO is commonly used for copper-free Click Chemistry reactions. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.
These kits provide everything required to isolate and purify inclusion body proteins from induced bacterial cultures. First a proprietary Cell Lysis Reagent is used to selectively lyse the cells and release inclusion bodies in their solid form. Next, inclusion bodies are dissolved and their contents released using the provided IB Solubilization Reagent. Inclusion body proteins are then further purified using spin columns for rapid and convenient buffer exchange and desalting. This kit provides a convenient way to screen recombinants prior to scaling up.
ProteoSpin™ Inclusion Body Protein Isolation Micro Kit
The process is efficient and streamlined and can process up to 12 samples in only 60 minutes. Each spin column is able to recover up to 50 µg of acidic or basic proteins. Purified recombinant proteins are then ready for SDS-PAGE, 2D gels, Western blots, Mass Spectrometry analysis, and other applications.
ProteoSpin™ Inclusion Body Protein Isolation Maxi Kit
The procedure is efficient and streamlined and can process up to 4 samples in approximately 2 hours. Each spin column is able to recover up to 12 mg of acidic or basic proteins from 100 mL of induced bacterial culture. Purified recombinant proteins are then ready for SDS-PAGE, 2D gels, Western blots, Mass Spectrometry analysis, and other applications.
About Inclusion Bodies
Bacteria are widely used for the expression of different proteins. However, 70-80% of the proteins expressed in bacteria by recombinant techniques are typically contained in insoluble inclusion bodies (i.e., protein aggregates). The protein of interest found in these subcellular structures is often inactive, due to incorrect folding. The production rate of recombinant proteins stored in inclusion bodies is invariably higher than those synthesized as soluble proteins. The reason behind this is thought to be the resistance of insoluble proteins to proteolysis by cellular enzymes. In addition, separation of insoluble recombinant proteins in inclusion bodies is considerably easier than that of soluble proteins. These factors have been the major influences favoring scale-up of high-value proteins using bacterial fermentation for example. Procedures for the purification of the expressed proteins from inclusion bodies are often labour-intensive, time-consuming and not cost-effective. This kit provides the essential reagents for cell disruption, inclusion body solubilization and purification using spin column chromatography – all optimized to work together thereby simplifying the process and saving a tremendous amount of time and cost.
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| Kit Specifications | |
| Maximum Culture Volume | 100 mL |
| Yield from 100 mL of Culture | Up to 12 mg |
| Minimum Elution Volume | 4 mL |
| Time to Process 1 Sample | 1 hour |
Storage Conditions
The Cell Lysis Reagent and IB Solubilization Reagent should be stored at 4°C upon receipt of this kit. This kit is stable for 2 years after the date of shipment. Once opened, the solutions should be stored at 4°C when not in use except for Binding Buffer C and Binding Buffer N. Some precipitation will occur with 4°C storage. This precipitation should be dissolved with slight heating to room temperature before using.
| Component | Cat. 10300 (Micro – 25 preps) | Cat. 17700 (Maxi – 4 preps) |
|---|---|---|
| Wash Solution C | 30 mL | 130 mL |
| Wash Solution N | 30 mL | 130 mL |
| Binding BUffer A | 4 mL | 20 mL |
| Binding Buffer N | 4 mL | 20 mL |
| Elution Buffer C | 8 mL | 2 x 30 mL |
| Protein Neutralizer | 4 mL | 4 mL |
| Cell Lysis Reagent | 15 mL | 110 mL |
| IB Solubilization Reagent | 2 mL | 50 mL |
| Syringes, 1cc, slip tip | 25 | – |
| Needles (Bev, 20G x 1 inch) | 25 | – |
| Syringes, 10 mL, Luer-Lok™ Tip | – | 4 |
| Needles (18G x 1.5 inch) | – | 4 |
| Micro Spin Columns | 25 | – |
| Maxi Spin Columns (filled with SiC) inserted into 50 mL collection tubes | – | 4 |
| Collection Tubes | 25 | – |
| Elution Tubes (1.7 mL) | 25 | – |
| Elution Tubes (50 mL) | – | 4 |
| Product Insert | 1 | 1 |
Compact and stylish designed, the BioShake iQ high-end thermoshaker lets you perform all your standard mixing runs with a minimum of adjustments.
The BioShake iQ offers outstanding performance to handle a wide range of applications across biotechnology, pharmaceutical and academic research.
By combining the mixing operation with the incubation phase, reaction process times and operator workload are reduced and efficiency of many procedures is increased, resulting in a higher throughput.
The first-class finished aluminium housing gives the BioShake iQ its essential functionality. It provides a high amount of security, device stability and ensures a long service life.
German designed and manufactured, BioShake iQ thermoshaker offer an ultra-efficient, 2-dimensional shaking axis so that samples mix completely in a fraction of the time of competing systems.
The mixing orbit of 2.0 mm is always constant. The orbital shaking is precisely controlled, in fact, that you need never spin down your plates after mixing. Even tubes, vials, high density plates, or low sample volumes, offer no obstacle for these precision tools.
Fully adjustable between 200 rpm and 3,000 rpm, well beyond the speeds of most other brands, guarantees fast, splatter-free, mixing for tubes, glass vials or across an entire 384-well microplate.
The BioShake iQ heats from ambient to 99°C in a short time, provides ease of use features, amazing comfort and maximum safety.
Within the BioShake iQ thinnest large-area heating elements and sensors are integrated. During the heat up time the special electronic control system guarantees the same temperature for all vessels with minimal deviations.
Temperatures are selectable from ambient temperature to 99°C in steps of 1.0°C. The nominal regulation accuracy is better than ±0.1°C with a uniformity of temperature distribution better than ±0.5°C at 45°C across the heating surface.
Exchangeable thermo adapter plates and thermal blocks enable a perfect adaptation to microplates, tubes or glass vials.
In the corners eight spring clamps are inserted for easy fixation of skirted microplates and deep well plates in SBS format 127.7 x 85.5 mm without an attached adapter. These spring clamps lock the microplate quickly and safely, even at the highest mixing frequencies.
For flexible and deformable PCR plates we recommend using of the related PCR adapter.
Fast mixing processes with frequent plate changes can be performed in the routine as easy and safe.
The BioShake iQ is operated from the front face of the enclosure which includes touch buttons and a display.
Special buttons for start, stop and storage of time and mixing modes enable the instrument to run complex applications. This opens new points of view on the daily laboratory work and optimizes routine application enormously.
The short mix button allows short and fast mixing in between.
The two line LCD display guarantees simultaneous and safe reading of all programmed and measured parameters as time, mixing frequency and temperature.
The BioShake iQ comes with a variety of standardized and specific adapter plates. The replacement of the adapters are very simple.
Perfect shaped adapters allow an optimal fit for standard tubes, lysis tubes, microplates, glass vials and other sample vessels. An excellent temperature uniformity and homogeneity is guaranteed for all samples.
Unique and efficient design combined with the most compact housing result in beautiful and well-defined laboratory equipment. Therefore, the first-class finished aluminium housing gives the BioShake iQ its essential functionality. It provides a high amount of security, device stability and ensures a long service life.
Safety of the user and ease of use are clearly a priority.
A perfectly harmonious blend of high-tech and handmade. “Made in Germany” has always been a recipe for success for QInstruments. 100% of QInstruments production takes place in Germany.
The focus is on human diligence and on being environmentally friendly. The company upholds its quality guarantee by means of consistent quality management. For more than 15 years these lab automation professionals from Jena have used only high-quality materials to ensure sustainable production, applied innovative thinking and undertaken research in a future-oriented way – all as a matter of course.
For microplates, tubes and glass vials
Fast & high-precision heating
Temperature range: ambient to 99°C
Precise mixing from 200 – 3,000 rpm
Wide range of thermo adapters
Stylish aluminium housing
These kits provide a fast, reliable and convenient method to purify and concentrate high quality, high purity and inhibitor-free cell-free circulating and exosomal RNA using a convenient spin column method. These kits can purify RNA from fresh or frozen serum or plasma samples prepared from blood collected on either EDTA or Citrate. Plasma samples prepared from blood collected on heparin should not be used, as heparin can significantly interfere with many downstream applications such as RT-PCR. The purified plasma/serum RNA is fully compatible with all downstream applications including PCR, qPCR, methylation-sensitive reverse transcription qPCR, reverse transcription PCR, Northern blotting, RNase protection and primer extension, expression array assays, and NGS.
Background
Plasma/Serum cell-free circulating RNA or exosomal RNA has the potential to provide biomarkers for certain cancers and disease states. Exosomes are 40 – 150 nm membrane vesicles, which are secreted by most cell types. Exosomes can be found in saliva, blood, urine, amniotic fluid and malignant ascitic fluids, among other biological fluids. Evidence has been accumulating recently that these vesicles act as cellular messengers, conveying information to distant cells and tissues within the body. These exosomes may play a functional role in mediating adaptive immune responses to infectious agents and tumours, tissue repair, neural communication and transfer of pathogenic proteins. For this reason exosomal RNAs may serve as biomarkers for various diseases including cancer. As the RNA molecules encapsulated within exosomes are protected from degradation by RNAses they can be efficiently recovered from biological fluids, such as plasma or serum.
Plasma/Serum RNA Purification Mini Kit
This kit can purify RNA from fresh or frozen serum or plasma samples prepared from blood collected on either EDTA or Citrate, from volumes ranging from 50 µL to 200 µL. The purified plasma/serum RNA is eluted in a flexible final volume of 10 µL to 25 µL.
Plasma/Serum RNA Purification Midi Kit
This utilizes a two column method, and can purify RNA from fresh or frozen serum or plasma samples prepared from blood collected on either EDTA or Citrate, from volumes ranging from 250 µL to 1.5 mL. The first column will handle the large volume input of bodily fluids that is followed by a concentration on a mini column for a final elution of 50 µL to 100 µL.
Plasma/Serum RNA Purification Maxi Kit
This kit can purify RNA from fresh or frozen serum or plasma samples prepared from blood collected on either EDTA or Citrate, from volumes ranging from 2 mL to 5 mL. The first column will handle the large volume input of bodily fluids that is followed by a concentration on a mini column for a final elution of 50 µL to 100 µL.
Isolate RNA after Purifying EVs and Exosomes
For Ultracentrifugation, Exoquick, and Filtration
| Cat. # | Name | Elution Volume | Plasma/Serum | Urine | Cell-Culture Media |
|---|---|---|---|---|---|
| 55000 | Plasma/Serum RNA Purification Mini Kit | 10 – 25 µL | 50 µL – 1 mL | 250 µL – 1 mL | 5 – 10 mL |
| 35300 | Total RNA Purification Micro Kit | 20 – 50 µL | 1 – 4 mL | 2 – 10 mL | 10 – 20 mL |
| 17200 | Total RNA Purification Kit | 50 – 100 µL | 4 – 10 mL | 11 – 30 mL | 20 – 35 mL |
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| Kit Specifications | |
| Minimum Plasma/Serum Input | 2 mL |
| Maximum Plasma/Serum Input | 5 mL |
| Size of DNA Purified | All sizes, including miRNA and small RNA (<200 nt) |
| Elution Volume | 50-100 μL |
| Time to Complete 10 Purifications | 35-40 minutes |
| Average Yields* | Variable depending on specimen |
*Please check page 7 of the Product Insert for Average Plasma/Serum Yields and Common RNA Quantification Methods.
This kit is suitable for the isolation of RNA from fresh or frozen serum or plasma prepared from blood collected on either EDTA or Citrate. Plasma samples prepared from blood collected on heparin should not be used as heparin can significantly interfere with many downstream applications such as RT-PCR.
Storage Conditions and Product Stability
All solutions should be kept tightly sealed and stored at room temperature. This kit is stable for 2 years after the date of shipment. It is recommended to warm Lysis Buffer A for 20 minutes at 60°C if any salt precipitation is observed.
| Kit Components | Cat. 55000 (50 preps) | Cat. 56100 (20 preps) | Cat. 56200 (10 preps) |
|---|---|---|---|
| Lysis Buffer A | 2 x 20 mL | 100 mL | 1 x 130 mL 1 x 30 mL |
| Wash Solution A | 18 mL | 1 x 38 mL 1 x 18 mL | 38 mL |
| Elution Solution A | 6 mL | 6 mL | 6 mL |
| Elution Buffer F | – | 15 mL | 15 mL |
| Micro Spin Columns | 50 | – | – |
| Mini Spin Columns | – | 20 | 10 |
| Midi Spin Columns | – | 20 | – |
| Maxi Spin Columns | – | – | 10 |
| Collection Tubes | 50 | 20 | 10 |
| Elution Tubes (1.7 mL) | 50 | 20 | 10 |
| Product Insert | 1 | 1 | 1 |
