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商品描述

 

Description 

Q-PAGE™ TGN (Tris-Glycine Novel) Precast Gels are ready-to-use acrylamide gels for SDS-PAGE running in Tris-Glycine buffer system. With unique formula, Q-PAGE™ TGN Precast Gels perform enhanced speed, better separation, and longer shelf life as compared with conventional Laemmli Tris-HCl gels. The protein migration patterns in Q-PAGE™ TGN series, however, are similar with typical Laemmli Tris-HCl gels, and thus Q-PAGE™ TGN Precast Gels are compatible to traditional SDS-PAGE and subsequent analyses. 

Q-PAGE™ TGN Precast Gels are available in gradient (4 to 15%) and fixed (10%) concentrations of polyacrylamide in 12- and 15-well formats. Two available cassette sizes, Mini (10 x 8.3 cm) and Midi (10 x 10 cm), are compatible with most popular protein electrophoresis systems. Q-PAGE™ Mini (QP4XXX) Gels are suitable for Bio-Rad® and other systems. Q-PAGE™ Midi (QP5XXX) Gels are suitable for Invitrogen® XCell SureLock® Mini-Cell, Invitrogen® Mini Gel Tank, Hoefer SE260, and other systems. 

Key Features

  • User-friendly gel cassette:

    • Numbered and framed wells for sample loading

    • Labeled warning sign and green tape as reminder

  • Enhanced gel performance: 

    • Enhanced gel electrophoresis speed 

    • Better band separation 

    • Stable for shipping at ambient temperature

  • Easy compatibility: 

    • Available as homogeneous and adjusted gradient gels for a wide range of protein separation.

    • Compatible with most popular protein electrophoresis systems 

Storage and stability

Store Q-PAGE™ Precast Gels at 4°C for periods up to 12 months.

Do not freeze Q-PAGE™ Precast Gels. Remove tape and comb before electrophoresis. 

Technical

 
 

Quick running, clear bands

Q-PAGE™ TGN Precast Gel can separate protein in 19 minutes using 300 V.

QP5510 Specifications

Gel

TGN(Tris-Glycine-Novel)

Buffersystems

Tris-Glycine (Laemmli)

Features

Quickrunning, clear bands

Cassettesize

Midi Gel

(10 X 10 cm)

Geldimensions

8.1 x 8.1 x0.1 cm

(W x L xthickness) cm

Electrophoresissystem

Mini Gel Tank

XCell SureLock,

Hoefer SE260

Well format&

Capacity

12 wells,

40 μl/well

Gelpercentage

4-15 %

Accessorytray

Productiondescription

Tip card

Gel remover

Cassetteopener

 

 

  

Manual

Manual_Q-PAGE™ TGN Precast Gel, Midi

SDS

SDS_Q-PAGE™ Precast Gel

Migration pattern

 
 

Setting Up and Running Q-PAGE™ Midi Precast Gel

 

 
 

Removing Q-PAGE Midi Gel from cassette

 
 

Setting up gel/membrane sandwich for Western transfer

 

 

Recommendations/Tips for Gel Running

1.    Remove comb and tape before adaption. 2.    Use fresh 1X running buffer for the inner cathode chamber. 3.    Rinse the wells before sample loading. 4.    Try 200 V first, and optimize the voltage and running time if needed. Do not set voltage lower than 100 V.  

Sample Preparation for SDS-PAGE

1.      Mix protein sample with 2X sample buffer. 

2.      Heat the diluted samples at 95°C for 5 min or at 70°C for 10 min.

3.      Cool the diluted samples to 4°C and spin down the water condensed on tube surface. (If there is high viscosity part at bottom of tube, transfer supernatant to a new tube.)

 

Prepare Q-PAGE™ for Sample Loading

1.Open the blister tray of Q-PAGE™ Precast Gel.

2.Briefly rinse the gel cassette with ddH2O.

3.Remove tape and comb; avoid squeezing the gel.

4.Adapt Q-PAGE™ to electrophoresis system; instruction are provided below. (Invitrogen® Mini Gel Tank is recommended.) 

5.Use a pipette to gently wash the wells with running buffer to remove residual storage buffer. 

6.Fill the wells with running buffer prior to sample loading. 

7.Load samples and pre-stained protein marker into numbered wells.

8.Fill both inner and outer chambers with running buffer to the highest level. Ensure gel wells are completely covered. 

 Power Setting for Running Q-PAGE™

Optimize the voltage and running time if needed.

 

150 V

200 V*2

250 V*3

300 V*3

Running Time*1

50-70 mins

35-55 mins

25-40 mins

15-30 mins

Expected Current

Initial (per gel)

Final (per gel)

 

35-45 mA

10-20 mA

 

45-55 mA

20-25 mA

 

75-85 mA

40-45 mA

 

100-110 mA

60-70 mA

Expected temperature

25-30°C

25-30 °C

25-35°C

30-40°C

*Set voltage higher than 100 V is recommended. 

*2 Try 200 V first, and optimize the voltage and running time if needed

*For higher voltage conditions, please use fresh running buffer for inner and outer chambers

*Running time varies depending on gel percentage, running buffer, temperature, and power supply. 

 

Remove Q-PAGE™ Gel from Cassette

Open cassette immediately after electrophoresis. Avoid gel drying.

1.Insert the cassette opener into corners of cassette. 

2.Sequentially pry the opener to separate the two plates. 

3.Gently pull up notched plate and let gel stay on the front plate.

4.Use cassette opener to push through the slot in the cassette.

5.Carefully detach the gel from the bottom of gel.

- Avoid diagonally peeling the gel from the corner.

- If necessary, cut well separators with gel remover.

6.Gently remove the gel for further staining or Western blotting. 

Gel Staining 

Proteins separated using Q-PAGE™ Precast Gels can be further stained with most popular staining reagents, such as Coomassie dyes (R-250 or G-250), Silver-stain solution,

and FluoroStain™ Protein Fluorescent Staining Dye. (Cat. No. PS1000)  

Transferring Protein from Q-PAGE™ to Blotting Membrane

1. After protein separation using Q-PAGE™, gently detach QPAGE™ from cassette and then equilibrate the gel in transfer buffer.

2. Pre-soak blotting membrane and filter papers in transfer buffer.

    *Activate PVDF membrane in methanol before soaking in transfer buffer.

    **Prepare 6 filter papers for one gel/membrane sandwich. 

3. Assemble transfer sandwich by orientating cathode, sponge, filter papers, gel, membrane, filter papers, sponge, and anode. The protein goes to the direction of cathode to anode.

4. Carefully move roller over the gel/membrane to remove air bubbles and excess buffer until complete contact is established.

5. Insert transfer cassette into transfer module. Notice that black side of cassette should be next to black side of module.

6. Fill transfer tank with pre-cooled transfer buffer to the highest water level.

7. Set constant voltage at 100 V. Transfer for 90 minutes at low temperature condition. Pre-stained protein marker should be visible on the membrane after transfer is completed.

    Transfer of proteins to the membrane can be checked using Ponceau S staining before blocking step.

Supplemental Information for Using Q-PAGE™ Precast Gel  

Adapting Q-PAGE™ Midi Precast Gels to Invitrogen Mini Gel Tank Electrophoresis System

1. Place the Q-PAGE Midi Precast Gels with notched plate facing toward yourself. No extra adapter is needed.

2. Seat the gels on the bottom of Mini Gel Tank and close the cassette clamp.

3. Fill chambers with running buffer to the level of the fill line. Ensure gel wells are completely covered. 

Adapting Q-PAGE™ Midi Precast Gels to other electrophoresis system, please follow the manufacturer’s instruction. 

Buffer recipes 

2X sample buffer with reducing agent

62.5 mM Tris-HCl pH 6.8, 2% SDS, 25% (v/v) glycerol, 0.01% bromophenol blue, 5% β-mercaptoethanol or 100 mM DTT (added fresh) 

10X Tris-Glycine running buffer

30.0 g Tris base, 144.0 g Glycine, 10.0 g SDS.  Bring up the volume to 1 L with ddH2O. 

1X running buffer

Dilute 100 ml 10X running buffer with 900 ml ddH2O. 

10X transfer buffer

30.0 g Tris base, 144.0 g Glycine. Bring up the volume to 1 L with ddH2O. 

1X transfer buffer

*Cool 1X transfer buffer to 4°C before using.

 Dilute 100 ml 10X transfer buffer with 200 ml methanol and 700 ml ddH2O.

**Add SDS to 0.1% to promote transfer of high molecular weight proteins.  

 

 

Troubleshooting Guidelines

Problem

Possible Cause

Suggested Solution

Well deformation

Pull one side of comb out of cassette.

Smoothly pull the comb straight out of the cassette.

Bubbles between gel and cassette

Gel has been frozen or stored at wrong temperature.

Store Q-PAGE Precast Gels at 4°C.

Buffer leaking from the inner chamber

Untight assembly of gels to the electrode modules

Reassemble Q-PAGE gels into the electrodemodules.

Fill outer chamber with 1X running buffer to thehighest level.

Samples do not sink into the wells.

Residual gel storage buffer in the wells

Rinse the gel wells with ddH2O or 1X running bufferbefore loading.

Insufficient sample buffer

Use more sample buffer to prepare samples.

Current is zero and sample do not migrate into gel

Tape at bottom of gel not removed

Remove tape

Gels run faster or more slowly than expected.

Incorrect running buffer

Check buffer composition.

Use fresh 1X running buffer for inner chamber.

Crooked bands at middle or bottom of gel

Gel has been frozen or stored at wrong temperature.

Store Q-PAGE Precast Gels at 4°C.

Incorrect running buffer

Check buffer composition.

Use fresh 1X running buffer for inner chamber.

Band pattern curves toward one or both sides of gel.

Buffer leaking from the inner chamber

Check assembly of gels into the electrode modules.

Excessive heating of gel

Check buffer composition. Or dilute running bufferto 0.5-0.75X.

Do not exceed recommended running conditions.

Insufficient buffer in inner or outer buffer chamber

Fill inner and outer chambers to completely covergel wells.

Poor resolution or fuzzy bands

Excessive heating of gel

Check buffer composition.

Do not exceed recommended running conditions.

Incorrect running buffer

Check buffer composition.

Bands are missing on the membrane after Westerntransferring.

Proteins move in the wrong direction

Check the order of gel/membrane sandwich assembly,the direction of transfer cassette in transfer modules, and the polarity ofconnections to power supply.

Swirls or missing bands; bands trail off in multipledirections on the membrane after Western transferring.

Contact between the membrane and the gel was poor;Air bubbles or excess buffer remains between the blotting membrane andthe gel. 

Use thicker/more filter paper in the gel/membranesandwich

Remove air bubbles and excess buffer betweengel and membrane by carefully moving the roller over the membrane.

Apparent molecular sizes of prestained proteinmarkers are different as indicated.

Prestained protein markers used have not beencalibrated for use with Q-PAGE gels. Dyes for staining protein markers affect themigration patterns of prestained proteins in different buffer systems.

Calibrate prestained protein markers againstunstained proteins of known size or use SMOBIO’s ExcelBand™ Protein Markers.

 Q-PAGE™ Precast Gel 

Gel Type

Bis-Tris

TGN (Tris-Glycine-Novel)

Buffer systems

MOPS and MES

Tris-Glycine (Laemmli)

Features

Clear and sharp bands, high resolution

Quick running, clear bands

Cassette size

Mini Gel(10 x 8.3 cm)

Midi Gel(10 X 10 cm)

Mini Gel(10 x 8.3 cm)

Midi Gel(10 X 10 cm)

Electrophoresis system

Bio-Rad systems

Mini Gel Tank

Xcell SureLock,

Hoefer SE260

Bio-Rad systems

Mini Gel Tank

Xcell SureLock,

Hoefer SE260

Well format &

Capacity

12 wells,  25 μl/well

15 wells, 22 μl/well

12 wells,  40 μl/well

15 wells,   28 μl/well

12 wells,  25 μl/well

15 wells, 22 μl/well

12 wells, 40 μl/well

15 wells,28 μl/well

Gel percentage/

Cat. No.

8%

8%

8%

8%

10%

10%

10%

10%

QP2110

QP2120

QP3110

QP3120

QP4210

QP4220

QP5210

QP5220

12%

12%

12%

12%

4-15%

4-15%

4-15%

4-15%

QP2310

QP2320

QP3310

QP3320

QP4510

QP4520

QP5510

QP5520

4-12%

4-12%

4-12%

4-12%

 

 

 

 

QP2510

QP2520

QP3510

QP3520

 

 

 

 

Odoo - Sample 1 for three columns

ExcelBand™ Protein Markers

  • Ready-to-use— premixed with a loading buffer for direct loading, no need to boil

  • Broad range310 kDa to 5 kDa

  • Pre-stained bands for monitoring protein separation during electrophoresis and Western blotting transferring efficiency on membrane

  • Enhanced bands— for quick reference

Odoo - Sample 3 for three columns

YesBlot™ Western Marker I

  • Ready-to-use — no need of mixing or heating before sample loading

  • Direct visualization — 10 IgG-binding proteins for direct visualization on Western blots

  • Pre-stained bands — 4 pre-stained proteins for monitoring protein separation during electrophoresis and Western blotting transferring efficiency on membrane

  • Wide range — 10 clear bands from 15 to 200 kDa for size estimation

  • Quick reference — two enhanced bands (30 and 80 kDa)

Odoo - Sample 3 for three columns

FluoroStain™ Protein Fluorescent Staining Dye

  • Compatible to MASS analysis — compatible to the analysis of mass spectra, such as LC-MS/MS, MALDI-TOF, and etc.

  • High sensitivity — detection level achieve ~3 ng, similar to silver staining

  • Substitution of the Coomassie Blue protein staining method

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