Equipment at the Institute of Biochemistry and Signal Transduction
On this page we would like to inform you about the technical equipment of our institute.
We are dedicated to sharing our expertise and equipment. Please direct your requests to the secretariate of the institute (Kerstin Schluenz, k.schluenz@uke.de ).
Content
Analytical Instruments | Protein and Sample Preparation | Cell Handling and Processing |
---|---|---|
Analytical HPLC | FPLC Systems | Mammalian Cell Culture |
Mass Spectrometry | Liquid Handling Station | Cell Electroporation |
Light Spectroscopy | Mass Spectrometry Sample Preparation | Shaking Incubators |
Multi-mode Plate Reader | Lyophilization and Vacuum Concentration | Fermentation |
Imaging Systems | Cell Disruption | |
Real-time quantitative PCR | Superspeed and Ultracentrifugation |
Analytical Instruments
Analytical HPLC
Prominence UFPLC
Shimadzu
Components / Specifications:
Autosampler
Binary gradient pump (up to 400 bar)
UV-Vis and Fluorescence Detector
Fractionator
Applications:
Protein binding studies via analytical Size Exclusion Chromatography (aSEC)
Nucleotide analysis and quantification (Ion-pairing RP-chromatography)
Reversed-Phase (RP-) Chromatography of proteins and peptides
Mass Spectrometry
amaZon speed LCMS
Bruker Daltonik
Specifications:
Type: 3D-Trap (Paul-Trap)
Detection range: m/z 50-3000 and m/z 200-6000
Resolution scan: 52,000 u/sec at 0.58 u FWHM
Electro Spray Ionization (Apollo II ESI-Source)
MS/MS-Mode: Fragmentation via CID
Coupled LC: Ultimate 3000 UHPLC (Thermo)
Selected Applications:
Detection of small proteins (up to 50 kDa)
Bottom-Up Proteomics via MS/MS-Analysis of peptides
Structure determination of organic compounds/metabolites
maXis II ETD LCMS
Bruker Daltonik
Specifications:
Type: Ultra-High Resolution UHR-Q-TOF Analyzer
Quadrupole Isolation: up to 3000 m/z
Detection range: 50-40000 m/z
Full Sensitivity Resolution: 80,000 FSR
Electro Spray Ionization (ESI + NanoESI Source incl. NanoBooster dopant delivery)
MS/MS-Mode: Fragmentation via CID+ETD (parallel in the same run)
Coupled LC: Elute UHPLC (Bruker)
Selected Applications:
Mass determination of large intact proteins (up to 200 kDa)
Protein sequencing via Top-Down Mass Spectrometry of intact proteins
Mass Spectrometry of native proteins
Quantification or structure elucidation of organic compounds and metabolites (in DDA or DIA mode)
Light Spectroscopy
Fluorescence Spectrometer FP-8300
JASCO
Specifications:
Cuvette based device
Monochromators: 200 - 900 nm (Ex. and Em.)
Sensitivity: >8000:1 (RMS)
Accessories:
- Polarization filters for UV-Vis range
- Temperature-controlled single cell holder
- Magnetic stirrer
- A diverse set of quartz cuvettes
Selected Applications:
Fluorescence Intensity-based enzyme and substrate kinetics (FI)
Anisotropy-based binding studies via fluorescence polarization (FP)
UV-Vis Spectrometer Lambda20
PerkinElmer
Specifications:
Cuvette based dual-beam device
Monochromators: 200 - 800 nm
Accessories:
- Single and multiple cell holders
- Temperature control (external)
- A diverse set of quartz cuvettes
Applications:
Time-resolved enzyme and substrate kinetics
Enzyme coupled assays
Absorption spectrum scanning
Multi-mode Plate Reader
Spark
Tecan
Specifications:
Readout from 1well to 1536 well ANSI/SBS Plates
Temperature control: 18-45°C (long term stable)
Dual Optics: Filters and Monochromators
Measure Modes:
- Absorption UV-Vis: 200 – 1000 nm (Ex. and Em.)
- Fluorescence (FP + FI bottom and top; TRF; FRET)
- Luminescence – glow, flash, multicolor, and spectra
Accessories:
- Injectors – two channels min. 5 µL
- Automated lid lifter
- IR-Laser for ALPHA Technology
- Microscope: Bright Field Optics
- NanoQuant Plate / Humidity Chamber / Cell Chip adapter
- Absorbance cuvette port
Selected Applications:
Enzyme kinetic studies via optical readouts (e.g. Fluorescence Intensity; FI)
Anisotropy based binding studies via fluorescence polarization (FP)
24well cultivation screening platform (E. coli and Yeast)
High-throughput and low-volume DNA/RNA and protein quantification (2 µL)
Imaging Systems
BZ 9000 Fluorescence Microscope
Keyence
Specifications:
Resolution: 1360 x 1024 pixels
Bright Field (DIC)
Fluorescence Excitation Filters:
red (Cy5; 568 nm); green (GFP; 488 nm); blue (DAPI; 358 nm)
CO2- and heat-controlled chamber
Applications:
Imaging of slides and cell culture dishes (no Microtiter Plates) Scanning of small wells Multipoint Imaging Fluorescence Live Cell Imaging
Automated Cell Counting and Morphology Merge Measurements length / area / fluorescence (histograms)
ChemoStar Touch ECL & FL Imager
INTAS
Specifications:
6.0 MPixel CCD Camera
UV + Vis transmission
Enhanced Chemiluminescence (ECL)
Fluorescence detection (LED Cube RED 609nm)
Further ECL/FL Imager in-house:
LAS 3000 (Fujifilm)
Image Quant LAS 4000 (GE Healthcare)
Selected Applications:
Quantitative Western Blotting (WB) detection
SDS-PAGE and Agarose Gel documentation
Fluorescence detection in PAGE-gels
Real-time quantitative PCR
Applied Biosystems Quant Studio3
Thermo Scientific
Specifications:
96 Wells (reaction volume 10–100 μL)
Excitation/detection range 450–600 nm/500–640 nm
Multiplexing for up to 4 Targets
Three Independent Temperature Zones
Applications:
Quantification of gene expression levels (qPCR).
Differential Scanning Fluorometry (DSF) for indirect protein stability determination.
Analytical Instruments Accessible In-house:
IncuCyte Zoom Live Cell Analysis System (Sartorius)
CytoFLEX Flow Cytometer (Beckman Coulter)
Protein and Sample Preparation
FPLC Systems
NGC Quest 10 Plus
BioRad
Specifications:
Piston Gradient Pumps (up to 252 bar, 25.2 MPa)
Flow Rates: 0.001–10 ml/min
Single Channel UV Detection at 280 nm
Separate Sample Pump
Fraction Collector BioFrac
ÄKTA Start
Ge Healthcare
Specifications:
Low-pressure peristaltic pump system
Single Channel UV Detection at 280 nm
Fraction Collector Frac30
Accessories: Electrophoresis System MiniPrep Cell (BioRad)
Further available FPLC-Devices: ÄKTA Prime plus (GE Healthcare)
Applications:
Protein purification via different chromatography strategies
- Affinity (IMAC, MBP-Tag, Strep-Tag, GST-Tag)
- Ion Exchange (Anion, Cation)
- Size Exclusion Chromatography (SEC), Desalting
Liquid Handling Station
epMotion 5075t
Eppendorf
Specifications/Accessories:
15 deck positions
1- and 8-Channel Pipetting Tools (1 µL-1000 µL)
Transfer gripper
Thermomix Unit (up to 1400 rpm, 10-95°C)
2 temperature-controlled positions (2-100°C)
Magnetic separation module (96well format)
Selected Applications:
Semi-Automated DNA-Miniprep up to 96 samples in parallel
Automated small-scale recombinant protein purification
Automated MALDI mass spectrometry sample preparation
High Throughput Aliquotation (up to 192 reaction tubes in parallel)
Mass spectrometry sample preparation
Clean Work Cabinet
Self-construction
Specifications / Accessories:
- Aspiration unit
- Centrifuge Minispin (Eppendorf)
- Airlock for sample transfer
- Magnetic racks
Applications:
Analytical workflows for MS-samples
Pulldown experiments with magnetic beads or centrifugation
Lyophilization and Vacuum Concentration
ALPHA 1-2 LD Freeze Dryer
Martin Christ
Specifications:
Temperature limit: -65°C
Vacuum limit <0.01 mbar (Pump RD-8; Vacuubrand)
Sample capacity: 8 Vacuum Adapters (for NS32/29 round flasks)
Vacuum glasses 600 mL for vials (0,5 mL – 50 mL)
ALPHA RVC Rotational Vacuum Concentrator
Martin Christ
Specifications:
Pressure regulation 1000 – 1 mbar
Rotational speed: up to 1300 rpm
Temperature regulation: 0 - 60°C
Accessory: Alpha 1-2 cooling trap + vacuum pump (Martin Christ)
Applications:
Lyophilization of proteins, peptides or chemicals
Quick vacuum concentration of liquid samples
Cell Handling and Processing
Mammalian Cell Culture
Equipment / Specifications:
Biological Safety Cabinets Type A2 in S2 Laboratories (Herasafe, Thermo)
CO2-Incubators (Heracell, Thermo)
Automated Fluorescence Cell Counter (Countess II FL, Thermo)
Application:
Cultivation of different mammalian cell lines and primary cells.
Lentiviral transfection of different eukaryotic cell lines.
Electroporation
NEON Transfection System
Invitrogen / Thermo Scientific
Specifications:
Specific biologically compatible pipette tip chamber
Transfection Capacity: 2 x 104 to 6 x 106 cells per reaction
Application:
High-efficiency transfection of extremely difficult cells like immune, primary, and stem cells.
Delivery of DNA, RNA or proteins into cells
Gene Pulser Xcell Electroporation Systems
BioRad
Specifications:
Cuvette based system:
main unit, CE module, PC module, and cuvette chamber
Capacitance: 10–500 V, 25–3275 µF in 25 µF increments
Output Voltage: 10–3000 V
Application:
Transformation of electro-competent microbial cells (bacterial and yeast) (PC module)
Transfection of eukaryotic cell lines with nucleic acids via electroporation (CE module)
Shaking Incubators
Multitron Standard/ Innova 44
Infors HT / New Brunswick
Specifications:
5 Shaking incubators
Capacity 6 x 5L Erlenmeyer flasks per incubator
Temperature control: 10-45°C
Shaking speed: 30-300 rpm
Time dependent programs
Application:
Multi-liter parallel cultivation of E. coli or yeast for
recombinant protein expression.
Fermentation
Fermenter – Parallel Bioreaktor System
DASGIP by Eppendorf
Components / Specifications:
BioBlock - 4x 2L parallel batch reaktors (Temp and Stirring control)
TC4 - Temperature control module
MP8 - 8-chanell peristaltic pump (pH-regulation, AF, Feed)
PH4 - Sensor module for pH- and DO-sensing
OD4 - Sensor module for OD-sensing
MX4/4 - Gas mixing module equipped with pressured Air and O2
Application:
Recombinant protein expression in bakteria and yeast with high cell density.
Expression of isotope labeled proteins (e.g. 2H, 15N, 13C) or incorporation of Seleno-Methionin for structural studies with solution NMR or X-ray crystallography.
Site specific incorporation of PTMs via unnatural amino acids (UAAs) through the amber supression approach.
Cell Disruption
CF1 High-Pressure Cell Disruptor
Constant Systems
Specifications:
min. Sample Volume: 10 mL
Pressure Limit: 2700 bar (40 KPSI) (free selection)
Processivity: 100 mL/min
SFX250 Digital Sonifier
BransonSpecifications:
max. Power: 300 W (Amplitude 10-100%)
Sample Volume: 0,5 mL – 500 mL
Single Tip and 24-Tip high throughput Adapter
Applications:
Cell disruption of bacteria and yeast
Degassing of Buffer Solutions (Sonifier)
Superspeed and Ultracentrifugation
Sorvall LYNX 6000 Superspeed Centrifuge
Thermo Scientific
Specifications:
Max. Speed: 29,000 rpm
Max. RCF: 100,605 x g
Max. Volume: 6 x 1000 mL
Temperature control: -20°C to +40°C
Available Rotors: Carbon Fibrelite
- F9-6x1000 LEX; F12-6x500 LEX; F20-12x50 LEX
Further centrifuges in-house:
- Sorvall RC 5Cplus; Sorvall RC6plus (Thermo Scientific)
- Rotors: GSA; SS-34; SM-24
Applications:
Cell harvesting from up to 1 L cultures
Cell lysate clearing of up to 500 mL
Optima L-60 Ultracentrifuge
Beckman
Specifications:
Max. Speed: 60,000 rpm
Max. RCF: 485,000 x g
Available Rotors:
- 70Ti; 50Ti; 55.2TI; SW 40TI; VTi50
Further UC devices:
- L7-80 Ultracentrifuge (Beckman): Rotors see above
- Tabletop Ultracentrifuge OPTIMA-TL (Beckman)
Rotors: TLA100; TLA100.2
Applications:
Native protein purification
Cell compartment Isolation
Density gradient centrifugation