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See searches and references containing CALCIUM BUFFERING!CALCIUM BUFFERING
Cellular process
Calcium buffering describes the processes which help stabilise the concentration of free calcium ions within cells, in a similar manner to how pH buffers
Calcium_buffering
Voice box, an organ in the neck of amphibians, reptiles, and mammals
laryngeal muscles present a constitutive Ca2+-buffering profile that predicts their better ability to handle calcium changes in comparison to other muscles.
Larynx
Progressive neurodegenerative disease
is well-established in PD. Increased oxidative stress and reduced calcium buffering may contribute to neurodegeneration. The finding that MPP+—a respiratory
Parkinson's_disease
Rare neurodegenerative disease
they have a lower calcium-buffering capacity and a type of glutamate receptor (the AMPA receptor) that is more permeable to calcium. In ALS, there are
ALS
Medical condition
sarcoplasmic reticulum calcium-buffering capacity. This means that abrupt changes in sarcoplasmic total calcium will be buffered less and therefore translate
Catecholaminergic polymorphic ventricular tachycardia
Catecholaminergic_polymorphic_ventricular_tachycardia
British physiologist (1939–2024)
nerve and glia), proton channel (with Bob Meech), pH buffering, calcium regulation and calcium buffering with some electrical excitability thrown in. Thomas
Roger_C._Thomas
Protein complex found in mammals
Holger; Smith, Godfrey (2023-10-01). "Physiology of intracellular calcium buffering". Physiological Reviews. 103 (4): 2767–2845. doi:10.1152/physrev.00042
Calprotectin
Activation of tension-generating sites in muscle
is moderated by calcium buffers, which bind a large proportion of intracellular calcium. As a result, a large increase in total calcium leads to a relatively
Muscle_contraction
Natural fiber
before use as a growth medium for plants or fungi by soaking in a calcium buffering solution; most coir sold for growing purposes is said to be pre-treated
Coir
Type of muscular dystrophy
Marques MJ, Khurana TS, Santo Neto H (June 2015). "Expression of calcium-buffering proteins in rat intrinsic laryngeal muscles". Physiological Reports
Duchenne_muscular_dystrophy
Chemical compound
Calcium carbonate is a chemical compound with the chemical formula CaCO3. It is a common substance found in rocks as the minerals calcite and aragonite
Calcium_carbonate
Chemical compound
Holger; Smith, Godfrey (2023-06-16). "Physiology of intracellular calcium buffering" (PDF). Physiological Reviews. 103 (4): 2767–2845. doi:10.1152/physrev
Carnosine
Calcium-binding protein
Calsequestrin is a calcium-binding protein that acts as a calcium buffer within the sarcoplasmic reticulum. The protein helps hold calcium in the cisterna
Calsequestrin
Calcium-activated photoprotein
mechanism for cognitive enhancement in aged dogs with the use of a calcium-buffering protein | Journal of Veterinary Behavior". Journal of Veterinary Behavior
Aequorin
Muscular tissue of heart in vertebrates
more rapidly in atrial myocytes, with a corresponding increase in calcium buffering capacity. The complement of ion channels differs between chambers
Cardiac_muscle
One of three major types of muscle
cytoplasm to cause a calcium spark. The sarcoplasmic reticulum has a large calcium buffering capacity partially due to a calcium-binding protein called
Skeletal_muscle
Protein-coding gene in the species Homo sapiens
is partially responsible for calcium buffering in the lumen of the sarcoplasmic reticulum and helps out calcium pump proteins. Additionally, sarcalumenin
Sarcalumenin
recent research has focused on the control of diastolic calcium and the effects of calcium buffering. He has also written and spoken about scientific reproducibility
David_A._Eisner
Protein-coding gene in the species Homo sapiens
and its expression correlates with calcium transport activity. The protein may increase Ca2+ absorption by buffering Ca2+ in the cytoplasm and increase
S100G
Synapse in the mammalian auditory central nervous system
needs (especially for removal of calcium after depolarization), buffering the calcium by allowing uptake of calcium into the mitochondria, and providing
Calyx_of_Held
running a calcium reactor if that low pH is not mitigated. To counteract that effect, many manufacturers offer reactors with secondary buffering chambers
Calcium_reactor
Chemical compound
problems. Calcium acetate binds phosphate in the diet to lower blood phosphate levels. Calcium acetate is used as a food additive, as a stabilizer, buffer and
Calcium_acetate
Chilean pediatric cardiac surgeon
component of cardioplegia, in addition to its role in this reaction, as a buffering solution to assist in maintaining intracellular pH. A high concentration
Pedro_J._del_Nido
Protein found in humans
cellular functions, including message targeting and intracellular calcium buffering. Calretinin is abundantly expressed in neurons including retina (which
Calretinin
Ability of a synapse to strengthen or weaken over time according to its activity
metaplasticity may be due to changes in NMDA receptors, altered calcium buffering, altered states of kinases or phosphatases and a priming of protein
Synaptic_plasticity
Transmembrane protein family
levels of calcium-permeable AMPARs, which, combined with reduced calcium-buffering capacity, make them vulnerable to excitotoxicity. Alterations in AMPAR
AMPA_receptor
Chemical compound
slightly water-soluble solid is widely used to bind to iron (Fe2+/Fe3+) and calcium ions (Ca2+), forming water-soluble complexes even at neutral pH. It is
Ethylenediaminetetraacetic acid
Ethylenediaminetetraacetic_acid
Buffer solution commonly used in biological research
potassium and magnesium, while other ones contain calcium and/or magnesium (depending on whether or not the buffer is used on live or fixed tissue: the latter
Phosphate-buffered_saline
Chemical compound
Ricci AJ, Wu YC, Fettiplace R (15 October 1998). "The endogenous calcium buffer and the time course of transducer adaptation in auditory hair cells"
BAPTA
Polyatomic anion
Bicarbonate serves a crucial biochemical role in the physiological pH buffering system. The term "bicarbonate" was coined in 1814 by the English chemist
Bicarbonate
Amino acid with a branched carbon chain
increased calcium absorption by the cell and thus brings about cell death, specifically of neuronal cells which have particularly low calcium buffering capabilities
Branched-chain_amino_acid
Neuron membrane protein
usually express it. These are mainly in GABA cells expressing the calcium-buffering protein parvalbumin (PV), which exhibits fast-spiking firing properties
Glutamate_receptor
Experimental modified protein
contract again sooner. Although parvalbumin is classified as a delayed calcium buffer, it quickly sequesters Ca2+, usually before the muscle is done fully
Parve101q
Chemical compound
Calcium lactate is a white crystalline salt with formula C 6H 10CaO 6, consisting of two lactate anions H3C(CHOH)CO2– for each calcium cation Ca2+ . It
Calcium_lactate
Measure of how acidic or alkaline the soil is
will have a higher buffering capacity than soils with little clay, and soils with high organic matter will have a higher buffering capacity than those
Soil_pH
Preservative for donor organs
organ function by withdrawal of extracellular sodium and calcium, together with intensive buffering of the extracellular space by means of histidine/histidine
Histidine-tryptophan-ketoglutarate
Histidine-tryptophan-ketoglutarate
Protein
active calcium-binding domains, and 2 modified domains that have lost their calcium-binding capacity. Calbindin acts as a calcium buffer and calcium sensor
Calbindin
Chemical compound
Na3C6H5O7. As a conjugate base of a weak acid, citrate can perform as a buffering agent or acidity regulator, resisting changes in pH. It is used to control
Trisodium_citrate
Paper created for watercolour painting
strength and dimensional stability. The purity of raw materials and a calcium buffer result in a stable chemical balance free of acid that enables these
Watercolor_paper
sER, has a large surface area and is thought to act as an efficient calcium buffer inside the spine (Figure 2). Recent studies have shown that the spine
Spine_apparatus
Chemical compound
emulsifier, stabilizer and texturizer; it is also a buffering agent, and chelating agent especially for the calcium in milk products. As a food additive, dipotassium
Dipotassium_phosphate
Weak organic acid
industry, where the juice was treated with hydrated lime (calcium hydroxide) to precipitate calcium citrate, which was isolated and converted back to the
Citric_acid
Antiporter membrane protein that removes calcium from cells
sodium-calcium exchanger (often denoted Na+/Ca2+ exchanger, exchange protein, or NCX) is an antiporter membrane protein that removes calcium from cells
Sodium-calcium_exchanger
Process that kills nerve cells
from different neural cell types. Excess glutamate allows high levels of calcium ions (Ca2+) to enter the cell. Ca2+ influx into cells activates a number
Excitotoxicity
Electrolyte solution for use in healthcare
contains sodium chloride, potassium chloride, calcium chloride and sodium bicarbonate, with the last used to buffer the pH. Other additions can include chemical
Ringer's_solution
Naturally occurring mineral form of calcium apatite
is a modified form of hydroxyapatite, known as bone mineral. Carbonated calcium-deficient hydroxyapatite is the main mineral of which dental enamel and
Hydroxyapatite
Chemical compound
it more selective for calcium ions. It is useful in buffer solutions that resemble the environment in living cells where calcium ions are usually at least
EGTA
Neuronal calcium sensory protein
to curiosity. NCS-1 is a calcium sensor, not a calcium buffer (chelator); thus it is a high-affinity, low-capacity, calcium-binding protein. Frq can substitute
Neuronal_calcium_sensor-1
Calcium-storing organelle in muscle cells
of the SR is to store calcium ions (Ca2+). Calcium ion levels are kept relatively constant, with the concentration of calcium ions within a cell being
Sarcoplasmic_reticulum
Chemical compound
decahydrate Na4P2O7 · 10(H2O). Tetrasodium pyrophosphate is used as a buffering agent, an emulsifier, a dispersing agent, and a thickening agent, and
Tetrasodium_pyrophosphate
Protein helix–loop–helix motif
helix–loop–helix structural domain or motif found in a large family of calcium-binding proteins. The EF-hand motif contains a helix–loop–helix topology
EF_hand
Chemical compound
hypertension. Potassium aspartate is also employed in cosmetics as a buffering agent and in research settings for electrophysiological studies.[citation
Potassium_aspartate
Symptoms due to excess consumption of calcium and alkali
hypercalcemia include excess intestinal absorption of calcium, saturation of the bone's buffering capacity for calcium, decreased renal excretion, and abnormal vitamin
Milk-alkali_syndrome
Protein-coding gene in humans
available for remineralisation of tooth enamel and high phosphate levels for buffering. ENSG00000126549 GRCh38: Ensembl release 89: ENSG00000282891, ENSG00000126549
STATH
Artificial complex media
of phosphate, amino acids and vitamins. RPMI 1640 uses a bicarbonate buffering system and requires a 5–10% CO2 atmosphere to maintain physiological pH
RPMI_1640
Salt or ester of carbonic acid
chemically precipitated sedimentary rock. The most common are calcite or calcium carbonate, CaCO3, the chief constituent of limestone (as well as the main
Carbonate
Synthetically produced liquid that mimics saliva
These buffering agents neutralise acidic substances in the oral cavity, safeguarding tooth enamel and soft tissues from acid-related damage. Buffering agents
Artificial_saliva
Decrease in blood pH due to insufficient breathing
The initial response is cellular buffering (plasma protein buffers) that occurs over minutes to hours. Cellular buffering elevates plasma bicarbonate (HCO3–)
Respiratory_acidosis
Aspect of marine historical geology
is a sea in which low-magnesium calcite is the primary inorganic marine calcium carbonate precipitate. An aragonite sea is the alternate seawater chemistry
Calcite_sea
Henseleit, is a solution containing sodium (Na), potassium (K), chloride (Cl), calcium (Ca), magnesium sulfate (MgSO4), bicarbonate (HCO3), phosphate (PO4), glucose
Krebs–Henseleit_solution
Calcium chloroaluminate formed by reaction of AFm hydrates with chloride ions
3CaO·Al2O3·CaCl2 · 10 H2O Friedel's salt is formed in cements initially rich in tri-calcium aluminate (C3A). Free-chloride ions directly bind with the AFm hydrates
Friedel's_salt
Type of wetland fed by mineral-rich ground or surface water
the fen flows through sediments that don't dissolve well or have low buffering capacity when dissolved. Species richness tends to be lower than that
Fen
Carbonate mineral (CaMg(CO3)2)
(/ˈdɒl.əˌmaɪt, ˈdoʊ.lə-/) is an anhydrous carbonate mineral composed of calcium magnesium carbonate, ideally CaMg(CO3)2. The term is also used for a sedimentary
Dolomite_(mineral)
Aequous solution with a physiological pH and isotonic salt concentration
salt concentration. Solutions most commonly include sodium, potassium, calcium, magnesium, and chloride. Balanced salt solutions are used for washing
Balanced_salt_solution
Type of sedimentary rock
crystal forms of calcium carbonate CaCO3. Limestone forms when these minerals precipitate out of water containing dissolved calcium. This can take place
Limestone
State of steady internal conditions maintained by living things
pH of extracellular fluid, the concentrations of sodium, potassium, and calcium ions, as well as the blood sugar level, and these need to be regulated
Homeostasis
Index of chemical compounds with the same name
hydrogen ions and inversely lowers ambient surface ocean pH. The carbonate buffering system governs the acidity of seawater by maintaining dissolved inorganic
Hydrogen_ion
Chemical compound
deficiency and is an ingredient in cosmetics and personal care products as a buffering agent. Magnesium aspartate is investigated for its potential in managing
Magnesium_aspartate
Intracellular communication process
Calcium signaling is the use of calcium ions (Ca2+) to communicate and drive intracellular processes, often as a step in signal transduction. Ca2+ is
Calcium_signaling
Cold atom physicist
of calcium monohydride (CaH) molecules at millikelvin temperatures, achieved via elastic collisions with cryogenic helium serving as a cold buffer gas
John_Doyle_(physicist)
Dilute solution used as an antiseptic
carbonate still contained some soda. Boric acid (4%) was then added as a buffering agent to maintain a pH of between 9 and 10. Dakin found that alkalinity
Dakin's_solution
Substance which controls acidity or alkalinity
They can be organic or mineral acids, bases, neutralizing agents, or buffering agents. Although many acid regulators are safely used as a food additive
Acidity_regulator
Fluid used for resuscitation after blood loss
a mixture of sodium chloride, sodium lactate, potassium chloride, and calcium chloride in water. It is used for replacing fluids and electrolytes in
Ringer's_lactate_solution
Chemical compound
infections, such as cystitis. It is also used in many soft drinks as a buffering agent. Frequently used in an aqueous solution with other potassium salts
Potassium_citrate
Single chain calcium inosilicate (CaSiO3)
Wollastonite is a calcium inosilicate mineral (CaSiO3) that may contain small amounts of iron, magnesium, and manganese substituting for calcium. It is usually
Wollastonite
Chemical compound
anions (H2P2O2−7). It is a white, water-soluble solid that serves as a buffering and chelating agent, with many applications in the food industry. When
Disodium_pyrophosphate
Geochemical assemblage
unusually oxidizing, almost two log units more so than the NiNiO buffer. The calcium sulfate, anhydrite, was present as phenocrysts in the erupted tephra
Mineral_redox_buffer
Nonsteroidal anti-inflammatory drug
preparations use calcium carbonate. Gas-forming agents in effervescent tablet and powder formulations can also double as a buffering agent, one example
Aspirin
Class of intracellular transport proteins
Ryanodine receptors (RyR) are classified as high-conductance, intracellular calcium release channels, typically present in the membrane of the sarcoplasmic
Ryanodine_receptor
Organelle in eukaryotic cells responsible for respiration
makes them good "cytosolic buffers" for calcium. The endoplasmic reticulum (ER) is the most significant storage site of calcium, and there is significant
Mitochondria
High frequency neuron stimulation
stimulation, calcium ions accumulate due to the increased rate of calcium influx compared to the lowered rate of clearance by physiological buffering systems
Tetanic_stimulation
Oral care products healthcare company
remineralisation of the teeth. The calcium component is available for enhanced remineralisation and the carbonate components aid in buffering the teeth from acid attacks
Ortek_Therapeutics
Natural repair process for non-cavitated tooth lesions
is the natural repair process for non-cavitated tooth lesions, in which calcium, phosphate and sometimes fluoride ions are deposited into crystal voids
Remineralisation_of_teeth
Friedrich, Bretislav; Doyle, John M. (September 1998). "Magnetic trapping of calcium monohydride molecules at millikelvin temperatures". Nature. 395 (6698):
Buffer_gas
the signal which occurs when a single calcium ion channel opens on a cell membrane, allowing an influx of calcium ions (Ca2+) which extend in a plume a
Nanodomain
Difference in quantities of cations and anions in blood or urine
HCO− 3 is the primary pathology. Since there is only one other major buffering anion, it must be compensated for almost completely by an increase in
Anion_gap
Application of minerals to soil
Liming is the application of calcium- (Ca) and magnesium (Mg)-rich materials in various forms, including marl, chalk, limestone, burnt lime or hydrated
Liming_(soil)
Imbalance in the body's acid-base equilibrium
acidity of the blood by four buffering mechanisms.[citation needed] Bicarbonate buffering system Intracellular buffering by absorption of hydrogen atoms
Metabolic_acidosis
American neuroscientist
behaviors, is in vivo calcium imaging and she also develops novel genetic tools with which to study neural mechanisms in voles. Social buffering is a phenomenon
Zoe_R._Donaldson
Chemical compound
1828 by Dutchman Coenraad Johannes van Houten;[citation needed] as a buffering agent in the production of mead or wine;[citation needed] in antique documents
Potassium_carbonate
and the supporting cells are associated with the K+ buffering in the cochlea, the K+ buffering is usually mediated by glial cells in the nervous system
Hensen's_cell
Type of chemical substance
and the synthetic fiber rayon. Calcium hydroxide (slaked lime) is used in the manufacture of bleaching powder. Calcium hydroxide is also used to clean
Base_(chemistry)
Protein found in humans
Calcium-binding mitochondrial carrier protein SCaMC-1 is a protein that in humans is encoded by the SLC25A24 gene. This gene encodes a carrier protein
Calcium-binding mitochondrial carrier protein SCaMC-1
Calcium-binding_mitochondrial_carrier_protein_SCaMC-1
Abnormality in the concentration of electrolytes in the body
Anions are as well known form of electrolytes and include things like calcium, magnesium, potassium, though electrolytes can form differently charged
Electrolyte_imbalance
Chemical compound
transduction in a diverse range of cells. Tsien, R.Y. (1980). "New calcium indicators and buffers with high selectivity against magnesium and protons: design
Fluo-3
Solution of hydrogen fluoride in water
buildup in the lungs), and bone damage due to HF strongly interacting with calcium in bones. In a concentrated form, HF can cause severe tissue destruction
Hydrofluoric_acid
Earth, a natural material
with no buffering capacity. In areas of extreme rainfall and high temperatures, clay and humus may be washed out, further reducing the buffering capacity
Soil
Excess urea in the blood due to kidney dysfunction
with serum calcium and phosphorus to evaluate the GFR, blood urea nitrogen and creatinine as well as serum potassium, phosphate, calcium and sodium levels
Uremia
Acidification of freshwater by rain
shale bedrock are found, which contain very little buffering material. Soil formed from low-buffering materials and the waters that drain from them are
Freshwater_acidification
River in Slovenia
role in transferring rock-bound carbon back to the climate system and in buffering regional water hardness. The same chemical processes also explain the
Kamnik_Bistrica
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