Measurements of membrane change in the membrane potential. Medical search. Frequent questions

Nerves embed themselves within these receptors and when they detect stretching, they are stimulated and fire action potentials to the central nervous system. (wikipedia.org)
As the signal travels from photoreceptors to larger neurons, action potentials must be created for the signal to have enough strength to reach the CNS. (wikipedia.org)
Neurons in the brain communicate via action potentials, which are small and fast changes in the voltage of the cell membrane [ 1 ]. (hindawi.com)
Action potential is the unit of information processing in neurons, and as a result many neuroscience research projects involve recordings of action potentials or action potential sequences from single neurons or neural networks. (hindawi.com)
One way to record action potentials is to use high-impedance extracellular electrodes that are advanced into brain tissue and placed directly next to a single neuron, allowing for the extracellular recording of action potentials through the electrode [ 2 - 6 ]. (hindawi.com)
The Swarm was able to record pseudo-action potentials stably across all 24 objectives and provided pharmacological characterization of diverse sodium channel blockers. (frontiersin.org)
Using a combination of fluorescent calcium imaging and electrophysiology, we observed that postsynaptic potentials and antidromic action potentials propagated less far within the dendritic neuropil as the system warmed. (jneurosci.org)
In the presence of CabTRP Ia, membrane shunt decreased and both postsynaptic potentials and antidromic action potentials propagated farther. (jneurosci.org)
After training on data from random spike sequences, the method predicts the postsynaptic response to an arbitrary train of presynaptic action potentials. (jneurosci.org)
Fitting different neuromuscular junctions allows us to compare their responses to sequences of action potentials and to contrast the time course and degree of facilitation or depression that they exhibit. (jneurosci.org)
Christie JM, Westbrook GL (2003) Regulation of backpropagating action potentials in mitral cell lateral dendrites by A-type potassium currents. (yale.edu)

TMRE (Tetramethylrhodamine ethyl ester, perchlorate) is used to quantify changes in mitochondrial membrane potential in live cells. (biotium.com)
Manifestations of mitochondrial dysfunction in pancreatitis are loss of mitochondrial membrane potential (∆Ψm), release into the cytosol of the apoptosis mediator cytochrome c, decrease in cellular ATP leading ultimately to acinar cell death through apoptosis and necrosis (3,6,8-10). (pancreapedia.org)

A local graded potential begins in the photoreceptor, where it excites the cell enough for the impulse to be passed along through a track of neurons to the central nervous system. (wikipedia.org)
However, if the stimulus is strong enough to create an action potential in neurons away from the photoreceptor, the body will integrate the information and react appropriately. (wikipedia.org)
Measurement schemes using dead brain tissue as well as extracellular recordings from neurons in the inferior colliculus, an auditory brain nucleus of an anesthetized gerbil, were used to characterize noise performance and amplification efficacy of the proposed micropipette neural amplifier. (hindawi.com)
The nanowire technology developed in Dayeh's laboratory is nondestructive and can simultaneously measure potential changes in multiple neurons -- with the high sensitivity and resolution achieved by the current state of the art. (nanowerk.com)
Here, we find that peptide neuromodulation restores rhythmic bursting in temperature-compromised central pattern generator (CPG) neurons by counteracting membrane shunt and increasing dendritic electrical spread. (jneurosci.org)
Possessing compensatory mechanisms that protect neurons from detrimental effects of temperature changes are thus vital components of survival. (jneurosci.org)
Antic S, Major G, Zecevic D (1999) Fast optical recordings of membrane potential changes from dendrites of pyramidal neurons. (yale.edu)
Colbert CM, Pan E (2002) Ion channel properties underlying axonal action potential initiation in pyramidal neurons. (yale.edu)
Connors BW, Prince DA (1982) Effects of local anesthetic QX-314 on the membrane properties of hippocampal pyramidal neurons. (yale.edu)
Grinvald A, Salzberg BM, Lev-Ram V, Hildesheim R (1987) Optical recording of synaptic potentials from processes of single neurons using intracellular potentiometric dyes. (yale.edu)
Heat is generated due to both Joule heat from the applied potential and through increased metabolism rates caused by physiological shifts in neurons influenced by the stimulation. (cornell.edu)

You can use the SurPASS 3 surface zeta potential analyzer to study the interaction of proteins in solution with the implant material. (anton-paar.com)
They do this by either collapsing proteins in bacterial cells or damaging the outer membrane of viruses and similar pathogens. (purewatergazette.net)
Landau, E. M. & Rosenbusch, J. P. Lipidic cubic phases: a novel concept for the crystallization of membrane proteins. (nature.com)
While many studies have been focused on the membrane structure, the dynamics of such systems are crucial for the function of the membrane including membrane bound proteins. (lu.se)
Native membrane derived polymer-supported lipid bilayers (nSLBs) are poised to bridge the gap between live cell experiments and traditional model membrane architectures that by offering a combination of accessibility by surface sensitive analytical instrumentation and a composition which more closely resembles cellular membranes by displaying a diversity of endogenous membrane proteins, lipids, and carbohydrates. (lu.se)
Due to the lack of detergent solubilization and reconstitution steps, the nSLBs created using this approach contain essentially all of the native lipids, as well as the membrane-associated proteins and carbohydrates from the donor membrane. (lu.se)

To determine whether particular changes in the temporal pattern and rate of activity are sufficient to modify synaptic strength and alter network dynamics, we need to understand how postsynaptic potentials (PSPs) and postsynaptic currents (PSCs) are affected by presynaptic activity. (jneurosci.org)

The Plasma Membrane Electric Potential in Yeast: Probes, Results, Problems, and Solutions: A New Application of an Old Dye? (intechopen.com)
For a long time, estimations and actual measurements of the electric plasma membrane potential (PMP) in whole yeast cells have been the subject of studies by several groups without reliable results. (intechopen.com)
Exosomes are small membrane vesicles of endocytic origin that are released into the extracellular compartment upon fusion of multivesicular bodies (MVB) with the plasma membrane. (dovepress.com)
These onions redistribute from one face of the plasma membrane to the other according to the Nernst equation. (duke.edu)

The Swarm delivers variable intensity blue-light optogenetic stimulation to enable membrane depolarization and red or lime-light excitation to enable fluorescence detection of the resulting changes in membrane potential or calcium levels, respectively. (frontiersin.org)
During membrane depolarization the FRET is disrupted. (duke.edu)

They can be used for glycan profiling of various samples, including purified glycoproteins, cell/tissue lysates, membrane vesicles, complex biological samples, or entire cells. (muni.cz)
We recently developed a generic method for producing polymer-supported lipid bilayers directly from cell-derived native membrane vesicles (NMVs). (lu.se)

Examples of mechanoreceptors include baroreceptors which detect changes in blood pressure, Merkel's discs which can detect sustained touch and pressure, and hair cells which detect sound stimuli. (wikipedia.org)
Sensory feelings, especially pain, are stimuli that can elicit a large response and cause neurological changes in the body. (wikipedia.org)
A different approach for the realization of biosensors is the cultivation of living cells directly on the gate area and the measurement of their ionic response to chemical or physical stimuli [5]. (science24.com)
Stimuli responsive membranes have been used for suppressing fouling and regulating selectivity in different applications. (iyte.edu.tr)
These types of membranes are usually manufactured in thin film composite structure by either polymerizing stimuli-responsive monomer or coating stimuli-responsive polymer on a support. (iyte.edu.tr)

Membrane hyperpolarization in a choline medium was assessed at hematocrits of 0.33 and 7.4 percent. (cdc.gov)

SAXS zeta potential. (usp.br)
Download the SurPASS 3 biomaterials folder to see how zeta potential analysis combines the determination of adsorption kinetics with the characteristics of the adsorbed surface layer. (anton-paar.com)
The membranes were further characterized with SEM, AFM, contact angle, XPS and zeta potential measurements. (iyte.edu.tr)

The influences of operation pH and temperature on the structure integrity of the membrane were investigated with pure water permeability measurements and the change in pore size was assessed by determining rejection of neutral solutes by the membranes. (iyte.edu.tr)
Fifty-one firefighters in two groups, 25 without respiratory protection and 26 wearing cartridge respirators, were monitored for exposure to products of combustion and changes in spirometric measurements and lung permeability following overhaul of a structural fire. (cdc.gov)
Testing at baseline and 1 hour after overhaul included forced vital capacity (FVC), forced expiratory volume in one second (FEV1), serum Clara cell protein (CC16), and serum surfactant-associated protein A (SP-A). Overhaul increased CC16 in both groups, indicating increased alveolarcapillary membrane permeability. (cdc.gov)
Firefighter exposures during overhaul have the potential to cause changes in spirometric measurements and lung permeability, and self-contained breathing apparatus should be worn during overhaul to prevent lung injury. (cdc.gov)

Responsiveness is due to their characteristic features which rely on reversible changes in mass transfer and interfacial properties as a result of changes in external environment such as pH, temperature and ionic strength. (iyte.edu.tr)

Taste sensors have artificial polyvinyl chloride (PVC)/lipid membranes that interact with a target solution such as caffeinated beverages. (electronicsforu.com)
Change in the potential of the lipid membrane is the sensor output or measurement. (electronicsforu.com)
Recently, the deposition of highly mobile lipid membranes on hydrophilized III-nitride surfaces by vesicle fusion was demonstrated [3]. (science24.com)
This allows the design of biosensors based on ultrathin lipid membranes deposited directly on the nonmetallized gate regions of AlGaN/GaN transistors. (science24.com)
These devices allow the electronic detection of ligand binding to specific receptors in the lipid membrane [4] as well as electrochemical detection of transmembrane transport. (science24.com)
This battery of measurements are used in the diagnosis and treatment of certain liver, heart, and kidney diseases, acid-base imbalance in the respiratory and metabolic systems, other diseases involving lipid metabolism and various endocrine disorders as well as other metabolic or nutritional disorders. (cdc.gov)
Differences between the white adipose tissue that serves mainly as lipid storage and the thermogenically important brown adipose tissue were detected with MRI and data were validated with ex vivo gas-chromatographic measurements. (uni-marburg.de)
Sometimes, a low serum sodium measurement is caused by an excess of certain substances (eg, glucose, lipid) in the blood (translocational hyponatremia, pseudohyponatremia) rather than by a water-sodium imbalance. (msdmanuals.com)
Recent years have seen strong research efforts on the lipid component of biological membranes. (lu.se)

As a demonstration of the fiber based detection, we used the fiber optical tweezers to apply a force on a cell membrane and simultaneously measure the cellular response. (nature.com)
The development of a nanoscale technology that can measure rapid and minute potential changes in neuronal cellular networks could accelerate drug development for diseases of the central and peripheral nervous systems. (nanowerk.com)
Significance:Wide-field measurement of cellular membrane dynamics with high spatiotemporal resolution can facilitate analysis of the computing properties of neuronal circuits. (monash.edu)
Since miRNAs are way smaller than the typical transcript and may comprise only a limited fraction of the total cellular or tissue RNA sample, it may be necessary to enrich your sample for miRNAs by prior size-selection, if precise measurements of mature of pre-miRNAs are needed. (bitesizebio.com)

The aim of this study was to test for the molecular and functional expression of the non-gastric H + /K + ATPase ATP12A/ATP1AL1 in unstimulated and butyrate-stimulated (1 and 10 mM) human myelomonocytic HL-60 cells, to unravel its potential role as putative apoptosis-counteracting ion transporter as well as to test for the effect of the H + /K + ATPase inhibitor SCH28080 in apoptosis. (karger.com)
Such functional measurements via MRI promise new insights into the processes of torpor. (uni-marburg.de)
After staining with hematoxylin and eosin, adrenal histomorphometric changes were evaluated by measuring the thickness of the functional zones of the adrenal cortex. (bvsalud.org)
Conclusion: This proof-of-concept study demonstrated unprecedented NV sensing potential for the functional imaging of mammalian neuron signals. (monash.edu)

Dulhunty had set up electrophysiology experiments on a receptor from mammalian cardiac muscle fiber to measure its activity, and her initial measurements on the receptor's activity were going nicely. (the-scientist.com)

Iron (non-heme) measurements are used in the diagnosis and treatment of diseases such as iron deficiency anemia, chronic renal disease, and hemochromatosis (a disease associated with widespread deposit in the tissues of two iron-containing pigments, hemosiderin and hemofuscin, and characterized by pigmentation of the skin). (cdc.gov)
Anton Paar has developed specialized solutions for the surface analysis of biomaterials such as prostheses, implants, tissues, biopolymers and biofilms, teeth, various ophthalmic applications, and for medical devices such as stents, pills, and membranes. (anton-paar.com)
It is the objective of this work to adapt the FRET measurement system for eventual use in intact cardiac tissues. (duke.edu)
In addition to biological tissues, these systems have potential applications for the assessment of bioengineered tissues, biomaterials with fine structures, or some engineering materials. (who.int)

An indicator electrode , often a glass membrane comprised of sodium silicate molecules, which acts as a cation exchange surface with an HCl solution held inside the glass membrane. (ucdavis.edu)
Coupling between sodium and proton movements in dog red blood cells was investigated directly using the fluorescent probe 3,3'- dipropylthiadicarbocyanine (diSC35) and indirectly by measurement of potassium movements through valinomycin channels. (cdc.gov)
Sodium flux through the membrane occurred in exchange for protons and was inhibited by amiloride. (cdc.gov)

Warming led to a significant decrease in membrane resistance and a shunting of the dendritic signals in the main gastric mill CPG neuron. (jneurosci.org)
The results of this study indicate membrane resistance of Nitella cannot be related to passive fluxes of ions as classical interpretation suggests. (suny.edu)
On the other hand, promoting mitochondrial dysfunction in pancreatic cancer diminishes the resistance of cancer cells to apoptosis, and thus represents a potential therapeutic approach (11). (pancreapedia.org)
Because zeolites are inorganic, they have excellent thermal stability and chemical resistance making them an ideal material as membranes for the separation of gas mixtures in a variety of applications. (mrs.org)

We have investigated the response of AlGaN/GaN transistors and transistor arrays to changes in the concentration of specific ions in the ambient electrolyte. (science24.com)
The sensitivity towards Na + , K + , Ca ´ {2+} and Cl - ions, which give the main contribution to cell action potential and long term stability of the transistor devices in aqueous solutions were also investigated. (science24.com)
Membrane potential measurements and tracer studies of the major ions necessitate proposal of an active electrogenic cation efflux. (suny.edu)
Its morphological change could minimize detouring of the transport of BF 4 − ions. (rsc.org)
Ryanodine is an ion channel, embedded in an internal membrane within the muscle cell, that surrounds a pocket of calcium ions. (the-scientist.com)

Prior to the invention of the pH meter, pH values of solutions could be found using litmus paper (which changes color depending on the pH of the solution), or other complicated potentiometric techniques (which were often very complicated and time consuming). (ucdavis.edu)

FRET has been developed to achieve fast, ratiometric, transmembrane potential sensitive fluorescence changes in single cells. (duke.edu)
This large change in fluorescence allows for imaging of the transmembrane potential. (duke.edu)
The fluorescent anion experiments have shown the expected decrease in fluorescent intensity with a decrease in transmembrane potential. (duke.edu)

Apart from food quality detection, these devices have been successfully used in a wide variety of applications including wastewater management, measurement and detection of air and water pollution, healthcare and warfare. (electronicsforu.com)

Unlike conventional polymeric membranes, porous silica membranes with higher permeance and selectivity are applicable at high wellhead pressures and do not suffer from CO 2 plasticization, representing an alternative for CO 2 /CH 4 separation. (mrs.org)

Essentially, two approaches using different dyes are reviewed: (a) qualitative estimations by following fluorescence changes under different energization conditions and (b) measurements of the PMP by the accumulation of dyes. (intechopen.com)
An analysis is presented regarding the conditions recommended to obtain more consistent results when following the fluorescence changes. (intechopen.com)
In particular, using acridine yellow appears to be a trustworthy method, with few reserves, both to follow in real time the qualitative changes of the PMP by fluorescence changes and to assess actual PMP values by measuring the accumulation of the dye. (intechopen.com)

This fiber based detection mechanism enables simultaneous trapping and force measurements in a compact fiber optical tweezers system. (nature.com)
However, in this camera based method, the detection bandwidth, which defines the temporal resolution of measurements, is limited by the image acquisition speed that is determined by the computer speed or memory capacity 15 , in addition to the camera frame rates. (nature.com)
Approach: This goal is achieved by engineering NV quantum sensors in diamond nanopillar arrays and switching their sensing mode to detect the changes in the electric fields instead of the magnetic fields, which has the potential to greatly improve signal detection. (monash.edu)

Moreover, the computational model explained the synaptic effects, which were also confirmed by evoked potential recordings. (frontiersin.org)

Researchers can uncover details about a neuron's health, activity and response to drugs by measuring ion channel currents and changes in its intracellular potential, which is due to the difference in ion concentration between the inside and outside of the cell. (nanowerk.com)
The membrane potential of the red blood cells was determined before and after cell shrinkage as the external potassium concentration at which there was no change in diSC35 fluorescence. (cdc.gov)
The channel regulates the changes in calcium ion concentration that control the muscle contractile apparatus and, in turn, muscle movement. (the-scientist.com)
In the second system, we used osmotic pressure caused by the ion concentration change in the bathing solutions for the articular cartilage to deform them. (who.int)

To address this challenge, we developed the Swarm TM , a custom designed optical instrument for highly parallelized, multicolor measurements in excitable cells, simultaneously recording changes in voltage and calcium activities at high temporal resolution under optical stimulation. (frontiersin.org)
Deep brain stimulation (DBS) is a treatment that involves insertion of a probe and stimulation of brain tissue with an electric potential (or injection of current). (cornell.edu)

Even a 1 °C change in temperature can cause adverse effects due to strong membrane potential and pump kinetics dependence on temperature. (cornell.edu)

Zeolite membranes are composed of inorganic microporous crystals that are attractive for gas separation because their pore sizes are uniform and typically less than 1 nm. (mrs.org)
The silicoaluminophosphate analog of chabazite, SAPO-34, is an attractive membrane material for the separation of light gases, because the pore size of SAPO-34 crystals (0.4 to 0.45 nm) is close to the kinetic diameters of light gases. (mrs.org)
We processed ultramicroporous silica membranes with reproducible high permeances and high separation factors (3 x 10 -4 cm 3 (STP)/s/cm 2 /cmHg and 160, respectively) exceeding that of the best-known membranes for separation of a 50/50 (v/v) CO 2 /CH 4 gas mixture. (mrs.org)
The support of the composite membrane was prepared from a blend of polysulfone/sulfonated polyethersulfone using nonsolvent induced phase separation and the PBC was attached to the support via electrostatic interaction. (iyte.edu.tr)

Grinvald A, Hildesheim R, Farber IC, Anglister L (1982) Improved fluorescent probes for the measurement of rapid changes in membrane potential. (yale.edu)

Peptide neuromodulation has been implicated to shield neuronal activity from acute temperature changes that can otherwise lead to loss of motor control or failure of vital behaviors. (jneurosci.org)
Temperature-dependent changes in neuronal activity can be especially dangerous if they affect vital behaviors. (jneurosci.org)
Understanding how temperature changes disrupt neuronal activity and identifying how to ameliorate such effects is critically important. (jneurosci.org)
Our study of a crustacean circuit shows that warming disrupts rhythmic neuronal activity by increasing membrane shunt and reducing dendritic electrical spread in a key circuit neuron. (jneurosci.org)

As a demonstration of the versatility of the Swarm, we also developed an assay measuring cardiac action potential and calcium waveform properties simultaneously under paced conditions using human induced pluripotent stem (iPS) cell-derived cardiomyocytes as an additional counter screen for cardiac toxicity. (frontiersin.org)
They also explored its potential as a therapeutic drug for use in preventing cardiac arrhythmias. (the-scientist.com)

In this chapter, we review some of the available experimental and computational methods and present a multi-level conceptual framework for analyzing and interpreting a wide range of experimental measurements. (springer.com)
A symmetric configuration of our model showed a similar temperature distribution to both computational models and experimental measurements made by Elwassif et al. (cornell.edu)

In the aspect of measurement mechanism research, three heating methods of the thermal probe are deduced: constant voltage heating method, constant current heating method, and constant power heating method. (mdpi.com)
The probe consists of a reference electrode, often comprised of Ag/AgCl, that maintains a constant potential regardless of the surrounding solution. (ucdavis.edu)
Proper rinsing of the probe between measurements is also essential to obtaining proper readings. (ucdavis.edu)
Current DBS therapy involves electrically stimulating a specific region of the brain symmetrically about the probe lead via pulses of electrical potential. (cornell.edu)

During periods of inactivity, the cell membrane of a neuron is typically hyperpolarized to about −60 mV (cell's interior environment negative). (hindawi.com)
However, this method is destructive -- it can break the cell membrane and eventually kill the cell. (nanowerk.com)
Chen WR, Shen GY, Shepherd GM, Hines ML, Midtgaard J (2002) Multiple modes of action potential initiation and propagation in mitral cell primary dendrite. (yale.edu)
Glucose measurements are used in the diagnosis and treatment of pancreatic islet cell carcinoma and of carbohydrate metabolism disorders, including diabetes mellitus, neonatal hypoglycemia, and idiopathic hypoglycemia. (cdc.gov)
The fabricated lectin arrays will be used to map the glycosylation changes at different stages of cell differentiation and under different physiopathological conditions. (muni.cz)
The effects of insulin were reversed by tolbutamide, which decreased cell conductance to 0.5 ± 0.1 nS and shifted the current reversal potential to −25.2 ± 2.3 mV. (diabetesjournals.org)
As cell membranes are both dynamic and compositionally complex, replicating these aspects in a model membrane are essential. (lu.se)

Buffer for mitochondrial function measurements (assay buffer): 250 mM sucrose, 22 mM KCl, 22 mM triethanolamine (pH 7.4), 3 mM MgCl 2 , 5 mM KH 2 PO 4 . (pancreapedia.org)

With this Dynamics workshop, our goal is to bring together leading experts in the field of membrane dynamics, with a particular focus on neutrons and X-rays, but also complementary techniques including NMR, single molecule spectroscopy and computer modeling. (lu.se)

The increase in K+ influx was 40 times the value predicted by the Goldman passive model for the observed changes in potential. (suny.edu)
The asymmetric membrane, composed of three major layers (ultramicropore layer, mesopore layer, and macropore layer) is further simulated by a two-dimensional mathematical model. (mrs.org)
This model, accounting for mass transfer in both the solid and the gas phases, is used to assess the influence of a number of operating parameters (temperature, pressure, and feed flow rates) for a tube-and-shell configuration, membrane separator. (mrs.org)
as well as a similar electric potential profile to models by Martens, et al, demonstrating validity of our computational model. (cornell.edu)
CONCLUSION: Phenotype-associated changes in adrenal function and histomorphology were observed in a rat model of complex post-traumatic stress disorder. (bvsalud.org)

Choosing electrodes with suitable impedances makes the amplifier design appropriate for recording local field potential, which results from the activity of small neural networks, or appropriate for recording activity from a single neuron extracellularly. (hindawi.com)

A second fluorophore is used to label an exatracelluar surface and undergoes energy transfer with the membrane bound sensor. (duke.edu)

The potential drop at the interface between the gate surface and the electrolyte solution was measured and used as a sensor signal. (science24.com)

As background, mammals are incapable of synthesizing n-3 fatty acids de novo and are therefore entirely dependent on dietary sources to procure and maintain adequate concentrations in peripheral and central phospholipid membranes. (hindawi.com)
Changes in FEV1, CC16, and SP-A were associated with concentrations of specific products of combustion or carboxyhemoglobin levels. (cdc.gov)

In this study, a pentablock copolymer (PBC) which consists of temperature responsive Pluronic F127 (PEO-b-PPO-b-PEO) in the middle block and pH responsive poly(N,N-(diethylamino)ethyl methacrylate) (PDEAEM) in the end blocks was used for designing a new type of thin film composite (TFC) nanofiltration membrane. (iyte.edu.tr)

After all, once chlorine enters water, it begins to change, and when it interacts with pathogens and other matter, it changes again. (purewatergazette.net)
There are technically three measurements that must be considered: free chlorine, combined chlorine, and total chlorine. (purewatergazette.net)
The greater the amount of free chlorine, the greater the disinfection potential. (purewatergazette.net)

Calcium measurements are used in the diagnosis and treatment of parathyroid disease, bone diseases, chronic renal disease and tetany. (cdc.gov)
Urinary calcium measurement is used in the differential diagnosis of hypercaluria. (cdc.gov)

Passive electrical propagation in dendrites is necessary to support summation required for action potential (AP) initiation. (jneurosci.org)
Bischofberger J, Jonas P (1997) Action potential propagation into the presynaptic dendrites of rat mitral cells. (yale.edu)
Debarbieux F, Audinat E, Charpak S (2003) Action potential propagation in dendrites of rat mitral cells in vivo. (yale.edu)

In my talk, I will show you some examples how such biological cues influence the dynamic properties of membranes. (lu.se)

Also, measurements of accumulation of different dyes, and the necessary conditions to perform them, are analyzed. (intechopen.com)

SIGNIFICANCE STATEMENT Changes in body temperature can have detrimental consequences for the well-being of an organism. (jneurosci.org)
It was demonstrated that a new pH and temperature responsive, high flux TFC NF membrane was manufactured. (iyte.edu.tr)

Specifically, a mathematical fit of the postsynaptic response to an isolated action potential is multiplied by an amplitude factor that depends on a time-dependent function summed over all previous presynaptic spikes. (jneurosci.org)

Fabrication of high-conductivity ion exchange membranes (IEMs) is crucial to improve the performance of non-aqueous vanadium redox flow batteries (NAVRFBs). (rsc.org)

Gushchin, I. & Gordeliy, V. in Membrane Protein Complexes: Structure and Function (eds. (nature.com)
Oesterhelt, D. & Stoeckenius, W. Rhodopsin-like protein from the purple membrane of Halobacterium halobium . (nature.com)
Mounting evidence suggests that the genetic disorders/mutation and diseases change not only the protein expression patterns but also membranes themselves. (lu.se)
Ahlstedt J., Tran T.A., Strand S-E, Gram M., Åkerström B. Human Anti-Oxidation Protein A1M-A Potential Kidney Protection Agent in Peptide Receptor Radionuclide Therapy. (lu.se)

Chen WR, Shepherd GM (1997) Membrane and synaptic properties of mitral cells in slices of rat olfactory bulb. (yale.edu)
The dimensional properties of the fabricated membranes were also enhanced compared with its cast membrane owing to the reinforcing effect of the substrate. (rsc.org)

Importantly, changes in glycosylation patterns were observed in various tumors, and the aberrant glycosylation is often associated with malignancy potential, tumor immune surveillance, and patients´ prognosis. (muni.cz)

Alkaline phosphatase measurements are used in the diagnosis and treatment of liver, bone, and parathyroid disease. (cdc.gov)
AST measurements are used in the diagnosis and treatment of certain types of liver and heart disease. (cdc.gov)
GT measurement is principally used to diagnose and monitor hepatobiliary disease. (cdc.gov)

For the removal of carbon dioxide from natural gas prior to delivery to a pipeline, membranes are more advantageous than conventional amine adsorption processing for use on offshore platforms, high CO 2 content wells, small gas streams or environmentally sensitive areas. (mrs.org)

a device consisting of electrodes and amplifiers that could measure a change in electronic potential equivalent to the pH of the solution being measured. (ucdavis.edu)

These limitations may hinder their applications where the space is tightly confined or a trap is needed outside a lab environment, such as in-vivo measurements. (nature.com)

However, both PSD and camera based measurements requires a high NA objective lens. (nature.com)
The state-of-the-art measurement technique is sensitive to small potential changes and provides readings with high signal-to-noise ratios. (nanowerk.com)
Existing high sensitivity measurement techniques are not scalable to 2D and 3D tissue-like structures cultured in vitro," Dayeh said. (nanowerk.com)
Feature papers represent the most advanced research with significant potential for high impact in the field. (mdpi.com)
These compounds do have some disinfection power, but they are not likely present in high enough quantities to be considered in disinfection potential (unless operators deliberately added ammonia to the system with the intent of forming chloramines). (purewatergazette.net)
In the present work, anion exchange membranes with high-conductivity were fabricated by aligning ion channels of the polymer electrolyte impregnated in porous polytetrafluoroethylene (PTFE) under electric fields. (rsc.org)
This study aimed to determine whether these high- and low-anxiety phenotypes correlate with changes in adrenal histomorphology and corticosteroid production. (bvsalud.org)
The modeling showed an electric field amplitude as high as ≈1.02 × 1010 mV/m at an NV 100 nm from the membrane, a value almost 10 times the minimum field that the NV can detect. (monash.edu)

Anatomy52

Organisms14

Diseases1

Chemicals and Drugs94

Analytical, Diagnostic and Therapeutic Techniques and Equipment32

Phenomena and Processes57

Disciplines and Occupations4

Technology, Industry, Agriculture6

Information Science4

Health Care2

Action potentials11

Mitochondrial membrane potential2

Neurons11

Proteins6

Postsynaptic potentials1

Plasma membrane4

Depolarization2

Vesicles2

Stimuli5

Hyperpolarization1

Zeta potential3

Permeability4

Ionic1

Lipid9

Cellular4

Functional4

Electrophysiology1

Tissues4

Sodium3

Resistance4

Ions5

Potentiometric1

Transmembrane3

Wastewater1

Selectivity1

Fluorescence changes3

Detection3

Recordings1

Concentration4

Stimulation2

Dependence1

Separation4

Fluorescent1

Neuronal4

Cardiac2

Experimental measurements2

Probe4

Cell7

Assay1

Dynamics1

Model5

Neuron1

Bound1

Sensor1

Concentrations2

Composite1

Chlorine3

Calcium2

Propagation3

Biological1

Dyes1

Temperature2

Presynaptic1

Crucial1

Protein4

Properties2

Patterns1

Disease3

Adsorption1

Amplifiers1

Vivo1

High8