'0 mv' diaporamas de présentation

Little change in concentration

Little change in concentration. ??? ??? ?? ???? ?? resting ???? ??? ??? membrane potential(MP) ? ?? ---> resting potential(RP) nerve, muscle ?? ?? negative, constant, cell type ? ??? e.g.: warm-blooded animal: -55 to -100 mV; smooth muscle: -30 mV

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CMB710

CMB710. Lecture # 2. Membrane Potentials. Resting and Action Potentials can be understood in terms of ion gradients, the Nernst equilibrium , and ion channels. Ionic Gradients. Charged solutes. A quick review of electricity. Charge is something that particles can have as either + or -.

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?????????. Principle and Application of Digital Television. ?????? ?? ?????????????? Email?zhangwenjun@sjtu.edu.cn 2006?2007 ??????. 1. 2. 3. ?????? ????????? ?????? ???????. ???????? ?????? MPEG-2 ??????? MPEG-2 ??????? MPEG-2 ?????? ?????? ???????????. ????????

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THEMIS Electric Field Instrument (EFI) Mission CDR The THEMIS EFI Team

THEMIS Electric Field Instrument (EFI) Mission CDR The THEMIS EFI Team. Outline. Personnel and Organization Summary of EFI Status at MCDR Requirements, Specifications, and Design Compliance Requirements Top-Level Design Error Budgets Status of Subsystem Design, Fabrication, and Testing

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Membrane potential

Membrane potential. Resting membrane potential Action potential End plate potential Synaptic potential Excitatory post synaptic potential Inhibitatory post synaptic potential. Resting membrane potential potential. Resting Membrane Potential. GENESIS OF RESTING MEMBRANE POTENTIAL

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Protocols of cardiac ion channels hERG, Ca ++ and Na +

CIPA project. Protocols of cardiac ion channels hERG, Ca ++ and Na +. Eunjung Park FDA/CDER/OND/DCRP. Summary of protocols. *. *. Access and seal resistance of manual patch clamp assays. *. Pipette (tip) resistance (access resistance, electrode resistance):

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Lecture 25 The sources of energy: posphorylation, oxidation and coupling chemical energy to work

Lecture 25 The sources of energy: posphorylation, oxidation and coupling chemical energy to work. Peter Mitchell. Why protons? Why ATP? Why oxygen? Most cells use a proton gradient as an energy source across their plasma membrane. Why do animal cells use a sodium gradient?. Why protons?

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Announcements

Announcements. Mid term room assignments posted to webpage. Lecture 01. A. Excitor. B. Inhibitor. Record voltage. Simple case:. Threshold. A. B. Vm. hyperpolarizing ? inhibitory IPSP. Depolarizing ? excitatory EPSP. Threshold. A+B=smaller. Vm.

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From molecule to memory in the cerebellar neural circuit

From molecule to memory in the cerebellar neural circuit. Sang Jeong Kim Department of Physiology Seoul National University College of Medicine, Korea. Linden DJ (2003) Science 301. Cerebellar cortical circuit. Purkinje cell (PC) - Main sole output of cerebellar cortex. Sensory-motor

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Design Methods and Circuit Techniques to Reduce Leakage in Deep Submicron

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Breakdowns at 352 MHz

Breakdowns at 352 MHz. Rolf Wegner. Results: no substantial results no measurements of BDR Aim: exchange of ideas work together * 352 MHz cavity + test stand * no automated conditioning system * no measurement system for BDR. Outline. Motivation SPL / Linac4 CCDTL prototype

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Loai Alzghoul

Loai Alzghoul. Loai.physiology@yahoo.com. A ction P otential = ALL x NOTHING. Equilibrium potential of sodium (+60 mV). K. Na. K. K. Na. Electrotonic potential. Resting potential (-75 mV). Equilibrium potential of potassium (-95 mV). The Action Potential. - 75 mV.

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Media Composer 7.0 Color Management (LUTs)

Media Composer 7.0 Color Management (LUTs). Igor Ri?anovi?. Some new features in Media Composer 7.0. LUT and CDL support FrameFlex AMA media management Background transcoding. Technology. MXF, MOV are wrappers carrying encoded essence and metadata DNxHD, Prores are codecs

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Announcements

Homework #8 assigned today 4/19/10, due next Wednesday . Wednesday, 4/21/10: Quiz on reading from ECB, Nerves.

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Experience with the 112 MHz 4K SRF Gun for CeC PoP at RHIC

Experience with the 112 MHz 4K SRF Gun for CeC PoP at RHIC. Kevin Smith TTC Meeting at TRIUMF February 6, 2019. Presentation Outline. A Mercifully Brief Overview of CeC PoP Experiment at RHIC (BNL) A Less Brief Overview of the 112 MHz SRF Gun Structure

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Lecture 27 The mechanism of the rotary FoF1 ATPase (continued) Evolvability

Lecture 27 The mechanism of the rotary FoF1 ATPase (continued) Evolvability. 0 mV pH = 7. -180 mV pH = 8. Quantitation. PMF = -60 -180 = -240 mV. actually PMF ~ -220 mV. thus ? G H+ = F ?? =96.5 x 0.24 = 21. kJ. ? G (ATP) = -31kJ/mol + 5.6 log([ADP][Pi]/[ATP]). ? G ~ -50kJ/mole.

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Status Report

Status Report. 2010.7.9 Atsushi Nukariya. Circuit of FET charge amplifier. Explanation of Circuit. ? ? ??? Setting base voltage of ? . ? ? ??? Cutting AC. ? This capacitor stabilizes voltage which ? sets. (Bypass capacitor). Explanation of Circuit. ? ? ??? Emitter follower.

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cathode ray oscilloscope

cathode ray oscilloscope. tube photograph. tube diagram. y plates. x plates. anode. heater supply. -. +. phosphor screen. H.T. supply. electron gun photograph. summary. electron gun produces a beam of electrons. light produced on the screen by electron beam.

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Magnetic Sensors

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