Méthode électrophysiologique pour les enregistrements de la pince à tension intégrale à partir de * These authors contributed equally

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Katz, B., Gutorov, R., Rhodes-Mordov, E., Hardie, R. C., Minke, B. Electrophysiological Method for Whole-cell Voltage Clamp Recordings from Drosophila Photoreceptors. J. Vis. Exp. (124), e55627, doi:10.3791/55627 (2017).

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Abstract

Materials

Name Company Catalog Number Comments
10 mL syringe
5 mL syringe
1 mL syringe with elongated tip
Petri dish 60 mm
Syringe filters Millex 22 µm PVDF filter 
Capillaries (for omatidia separation) Glass, 1.2 x 0.68 mm (~7.5 cm each)
Polyethylene Tubing Becton Dickinson 1.57 x 1.14 mm (35 cm)
 2 small beakers 50 mL or less
2 paraffin film sheets Parafilm M ~5 x 5 cm
Bath chamber home-made
Cover slips 22 x 22 mm No. 0
Paraplast Plus Sigma Paraffin – polyisobutylene mixture To glue the coverslip onto the bottom of the bath chamber
Ground Warner Instruments  64-1288 Hybrid Assembly Ag-AgCl Wire Assembly
Headless micro dissection needle Entomology, 12 mm
Micro dissecting needle holder
Vise
2 fine tweezers + 1 rough tweezers Dumont #5, Biology  0.05 x 0.02 mm, length 110 mm, Inox
Stereoscopic zoom Microscope  Nikon SMZ-2B
Cold light source Schott KL1500 LCD
Filter (Color) for cold light source Schott RG620
Delicate wipers Kimtech Kimwipes
Electrode holder Warner Instruments QSW-T10P Q series Holders compatible with Axon amplifiers, straight body style
Silver Wire Warner Instruments 0.25 mm diameter, needs to be chloridized
Micromanipulator Sutter Instruments MP 85 Huxley-Wall Style Micromanipulator
Faraday cage home made Electromagnetic noise shielding and black front curtain
Anti-vibration Table Newport VW-3036-OPT-01
Osilloscope GW GOS-622G
Perfusion system Warner Instruments VC-8P Pinch valve control system
Perfusion valve controller Scientific instruments BPS-8
Suction system
Amplifier Molecular Device Axopatch-1D
Head-stage Molecular Device CV - 4 Gain: x 1/100
A/D converter Molecular Device Digidata 1440A
Clampex Molecular Device 10 software
pCLAMP Molecular Device 10 software
Light source (Xenon Arc lamp) Sutter Instruments Lambda LS
Light detector home made phototransistor
Filter wheel and shutter controller Sutter Instruments Lambda 10-2 with a Uniblitz shutter
Filters (Natural density filter) Chroma 6,5,4,3,2,1,0.5,0.3
Filter (Color) Schott OG590, Edge filter
Xenon Flash Lamp system Dr. Rapp OptoElecftronic JML-C2
Light guide Quartz 
Pulse generator AMPI Master 8
Microscope Olympus IX71, Inverted
Red illumination filter (Microscope) RG630 / RG645 ø45mm
Microscope objective Olympus X60/0.9 UplanFL N air or X60/1.25 UplanFI oil
CCD Camera Andor iXon DU885K
NIS Element  Nikon AR software
Ca+2 indicator Invitrogen Calcium green 5N
Excitation & emission filters and dichroic mirror Chroma 19002 - AT - GFP/FITC Longpass set
Vertical pipette puller Narishige  Model PP83 Use either vertical or horizontal puller, as preferred.
Horizontal pipette puller Sutter Instrument  Model P-1000 Flaming/Brown Micropipette Puller
Filament Sutter Instrument 3 mm trough or square box
Capillaries Harvard Apparatus borosilicate glass capillaries 1 x 0.58 mm

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References

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