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Aqueous solution of a weak acid and its conjugate base
A buffer solution is a solution whose pH does not change significantly on dilution or if a small amount of strong acid or base is added to it at constant
Buffer_solution
Buffer solution commonly used in biological research
Phosphate-buffered saline (PBS) is a buffer solution (pH ~ 7.4) commonly used in biological research. It is a water-based salt solution containing disodium
Phosphate-buffered_saline
Medication administered into a vein
base solution to which medications are added also has some buffering effect. Another solution administered intravenously as a buffering solution is sodium
Intravenous_therapy
Buffer solution used in molecular biology
TE buffer is a commonly used buffer solution in molecular biology, especially in procedures involving DNA, cDNA or RNA. "TE" is derived from its components:
TE_buffer
Buffer solution
TAE buffer is a buffer solution containing a mixture of Tris base, acetic acid and EDTA. In molecular biology, it is used in agarose electrophoresis typically
TAE_buffer
Concept in molecular biology
Tris/Borate/EDTA, is a buffer solution containing a mixture of Tris base, boric acid and EDTA. In molecular biology, TBE and TAE buffers are often used in
TBE_buffer
Type of chemical solution
McIlvaine buffer is a buffer solution composed of citric acid and disodium hydrogen phosphate, also known as citrate-phosphate buffer. It was introduced
McIlvaine_buffer
Buffer to break cells in molecular biology
A lysis buffer is a buffer solution used for the purpose of breaking open cells for use in molecular biology experiments that analyze the labile macromolecules
Lysis_buffer
Equation used to estimate pH of a weak acid or base solution
{Acid}}]}}\right)} The equation relates the pH of a weak acid - weak base buffer solution to the numerical value of the acid dissociation constant, Ka, of the
Henderson–Hasselbalch equation
Henderson–Hasselbalch_equation
Measure of the level of acidity or basicity of an aqueous solution
standard solution, and the reading on a pH meter is adjusted to be equal to the standard buffer's value. The reading from a second standard buffer solution is
PH
Family of computing problems
known as the bounded-buffer problem) is a family of problems described by Edsger W. Dijkstra since 1965. Dijkstra found the solution for the producer-consumer
Producer–consumer_problem
Chemical compound
value of 6.15 at 20 °C. The pH (and pKa at ionic strength I≠0) of the buffer solution changes with concentration and temperature, and this effect may be
MES_(buffer)
Electrolyte solution for use in healthcare
Ringer's solution typically contains sodium chloride, potassium chloride, calcium chloride and sodium bicarbonate, with the last used to buffer the pH.
Ringer's_solution
Buffering agents for biochemical and biological research
Good's buffers (also Good buffers) are twenty buffering agents for biochemical and biological research selected and described by Norman Good and colleagues
Good's_buffers
Universal pH buffer used for the pH range from 2 to 12
Robinson (1904–1979). Buffer solution Good's buffers Mongay, Carlos; Cerdà, Víctor (January 1974). "A Britton-Robinson Buffer of Known Ionic Strength"
Britton–Robinson_buffer
regulation of hydrogen ion concentration by a pH buffer A metal-ion buffer solution contains the free (hydrated) metal ion along with a complex compound
Metal_ion_buffer
Chemical compound
CHES, 2-(Cyclohexylamino)ethane-1-sulfonic acid, is a buffering agent. CHES buffers have a useful range of pH 8.6–10. It typically appears as a white
CHES_(buffer)
Method of separating chemical or biological samples
vial and capillary are filled with an electrolyte such as an aqueous buffer solution. To introduce the sample, the capillary inlet is placed into a vial
Capillary_electrophoresis
Chemical compound
commonly used to make buffer solutions. It can bind divalent cations, including Co(II) and Ni(II). TAPS is effective to make buffer solutions in the pH range
TAPS_(buffer)
Chemical compound
and molecular biology as a component of buffer solutions such as in TAE and TBE buffers, especially for solutions of nucleic acids. It contains a primary
Tris
Total ionic strength adjustment buffer (TISAB) is a buffer solution which increases the ionic strength of a solution to a relatively high level. This is
Total ionic strength adjustment buffer
Total_ionic_strength_adjustment_buffer
molecular biology, TBST (or TTBS) is a mixture of tris-buffered saline (TBS) (a buffer solution) and Polysorbate 20 (a polysorbate-type nonionic surfactant)
TBST
Chemical compound
as a buffering agent in biochemistry. The similar substance N-cyclohexyl-2-hydroxyl-3-aminopropanesulfonic acid (CAPSO) is also used as buffering agent
CAPS_(buffer)
Buffer solution used in biochemistry
Tris-buffered saline (TBS) is a buffer solution used in some biochemical techniques to maintain the pH within a relatively narrow range. Tris (as the hydrochloride
Tris-buffered_saline
1940 by the microbiologist John H. Hanks. Typically, they are used as a buffer system in cell culture media and aid in maintaining the optimum physiological
Hanks'_salts
Chemical compound
to make buffer solutions. It has a pKa value of 7.550 (I=0, 25°C). It is one of the Good's buffers and can be used to make buffer solutions in the pH
TES_(buffer)
Chemical compound
a problem in bicarbonate-based cell culture buffers. It is therefore strongly advised to keep solutions containing both HEPES and riboflavin in darkness
HEPES
SB buffer is a buffer solution used in agarose and polyacrylamide gel electrophoresis for the separation of nucleic acids such as DNA and RNA. "SB" is
SB_buffer
biochemistry and molecular biology, saline-sodium citrate (SSC) buffer is used as a hybridization buffer, to control stringency for washing steps in protocols for
SSC_buffer
vary, and the resulting solution would still be referred to as "borate buffered saline". Borate concentration (giving buffering capacity) can vary from
Borate_buffered_saline
Process by which the human body regulates pH
occurred. But buffers cannot correct abnormal pH levels in a solution, be that solution in a test tube or in the extracellular fluid. Buffers typically consist
Acid–base_homeostasis
Topics referred to by the same term
up buffer in Wiktionary, the free dictionary. Buffer or Buffers may refer to: Buffer gas, an inert or nonflammable gas Buffer solution, a solution used
Buffer
Measure of an acid's strength in solution
chemistry, a knowledge of pKa values is necessary for the preparation of buffer solutions and is also a prerequisite for a quantitative understanding of the
Acid_dissociation_constant
Chemical compound
Tricine is an organic compound that is used in buffer solutions. The name tricine comes from tris and glycine, from which it was derived. It is a white
Tricine
Buffer system that maintains pH balance in humans
The bicarbonate buffer system is an acid-base homeostatic mechanism involving the balance of carbonic acid (H2CO3), bicarbonate ion (HCO− 3), and carbon
Bicarbonate_buffer_system
Chemical compound
substance that is used in buffer solutions. It is a white to off-white crystalline powder that is soluble in water. It has a wide buffering range, from 6 to 9
Bis-tris_propane
Buffer solution
Artificial cerebrospinal fluid (aCSF) is a buffer solution prepared with a composition similar to that of cerebrospinal fluid, that is used experimentally
Artificial cerebrospinal fluid
Artificial_cerebrospinal_fluid
Chemical compound formed when an acid donates a proton to a base
One use of conjugate acids and bases lies in buffering systems, which include a buffer solution. In a buffer, a weak acid and its conjugate base (in the
Conjugate_(acid-base_theory)
Leslie E.; Ong, Seok D. (August 1978). "Krebs-Henseleit solution as a physiological buffer in perfused and superfused preparations". Journal of Pharmacological
Krebs–Henseleit_solution
Lysis buffer solution
Buffer P2 is a lysis buffer solution produced by Qiagen. It contains 1% sodium dodecyl sulfate (SDS) (w/v) to puncture holes in cellular membranes, and
Buffer_P2
Chromotography used to analyze proteins
(the stationary phase). In FPLC the mobile phase is an aqueous buffer solution. The buffer flow rate is controlled by a positive-displacement pump and is
Fast protein liquid chromatography
Fast_protein_liquid_chromatography
Tris/Saline/EDTA buffer solution
Tris/Saline/EDTA, is a buffer solution containing a mixture of Tris base, Sodium chloride and EDTA. In molecular biology, TSE buffers are often used in procedures
TSE_buffer
Chemical compound
recommended. MOPS buffer solutions become discolored (yellow) over time, but reportedly slight discoloration does not significantly affect the buffering characteristics
MOPS
Data structure in computer science
science, a circular buffer, circular queue, cyclic buffer or ring buffer is a data structure that uses a single, fixed-size buffer as if it were connected
Circular_buffer
Effects of a drug on living things
deposits on the surface of objects placed in simulated body fluid; a buffer solution with ion content similar to blood. Biological activity is usually measured
Biological_activity
Buffer solution in chemistry
LB buffer, also known as lithium borate buffer, is a buffer solution used in agarose electrophoresis, typically for the separation of nucleic acids such
LB_buffer
Capacity of water to resist changes in pH that would make the water more acidic
is the strength of a buffer solution composed of weak acids and their conjugate bases. It is measured by titrating the solution with an acid such as HCl
Alkalinity
Brand of energy drinks
B12), glucuronolactone and simple sugars (sucrose and glucose) in a buffer solution of carbonated water, sodium bicarbonate and magnesium carbonate (substituted
Red_Bull
Chemical compound
a chemical compound that is one of Good's buffers. It was developed in the 1960s to provide buffer solutions with pH ranging from 6.15-8.35 for use in
ACES_(buffer)
Substance whose dissolved ions conduct electricity
diffusion of electrolytes with incomplete dissociation. Diffusion in a buffer solution". The Journal of Physical Chemistry. 85 (12): 1756–1762. Bibcode:1981JPhCh
Electrolyte
Chemical compound
used to create a buffer solution. Ammonium acetate is volatile at low pressures. Because of this, it has been used to replace cell buffers that contain non-volatile
Ammonium_acetate
Method for staining of blood smears
methylene blue and Azure 1 dissolved in phosphate buffer solution; Field's stain B is Eosin Y in buffer solution. Field stain is named after physician John William
Field_stain
Chemical compound
hydrochloride salt of glycinamide, glycinamide hydrochloride, is one of Good's buffers with a pH in the physiological range. Glycinamide hydrochloride has a pKa
Glycinamide
Chemical reaction between an acid and a base
not quantitative because a solution of a weak base is a buffer solution. A solution of a weak acid is also a buffer solution. When a weak acid reacts with
Acid–base_reaction
Chemical compound
HEPPS (EPPS) is a buffering agent used in biology and biochemistry. The pKa of HEPPS is 8.00. It is ones of Good's buffers. Research on mice with Alzheimer's
HEPPS_(buffer)
Chemical compound
Bicine is an organic compound used as a buffering agent. It is one of Good's buffers and has a pKa of 8.35 at 20 °C. It is prepared by the reaction of
Bicine
Chromatography technique
between micelles (pseudo-stationary phase) and a surrounding aqueous buffer solution (mobile phase). The basic set-up and detection methods used for MEKC
Micellar electrokinetic chromatography
Micellar_electrokinetic_chromatography
Chemical compound
N′-bis(2-ethanesulfonic acid)) is a frequently used buffering agent in biochemistry. It is an ethanesulfonic acid buffer developed by Good et al. in the 1960s. PIPES
PIPES
Autoprotolysis or exchange of a proton between two water molecules
exactly 7.0 is required, it must be maintained with an appropriate buffer solution. Water portal Acid–base reaction Chemical equilibrium Molecular autoionization
Self-ionization_of_water
Selective culture medium
ACES buffer to 940 ml of distilled water and dissolved in a 50 °C water bath. Slowly, add enough 1.0 N KOH (about 40 mL) to the buffer solution to bring
Buffered charcoal yeast extract agar
Buffered_charcoal_yeast_extract_agar
Quality measurement of crude oil
inflection of the resulting titration curve corresponding to the basic buffer solution. Color indicating titration: An appropriate pH color indicator e.g
Total_acid_number
Biological process which decreases blood pH
Henderson-Hasselbalch equation is useful for calculating blood pH, because blood is a buffer solution. In the clinical setting, this equation is usually used to calculate
Acidosis
Chemical compound
Cholamine chloride hydrochloride is one of Good's buffers with a pH in the physiological range. Its pKa at 20°C is 7.10, making it useful in cell culture
Cholamine chloride hydrochloride
Cholamine_chloride_hydrochloride
Topics referred to by the same term
Portuguese footballer Tussenvoegsel prefix in Dutch surnames TE buffer, a commonly used buffer solution in molecular biology Ilex cookii, a plant commonly called
TE
Decrease in solubility of an ionic substance in solution when a common ion is added
a change of pH of the buffer solution. For example, if both sodium acetate and acetic acid are dissolved in the same solution they both dissociate and
Common-ion_effect
Chemical compound
ADA is a zwitterionic organic chemical buffering agent; one of Good's buffers. It has a useful pH range of 6.0-7.2 in the physiological range, making it
ADA_(buffer)
Number of bacteria living on a surface that has not been sterilized
drug product should be dissolved in "Buffered Sodium Chloride-Peptone Solution pH 7.0, Phosphate Buffer Solution pH 7.2, or Soybean-Casein Digest Broth
Bioburden
Analytical technique
in wash buffer to remove unbound primary antibody, and thereby minimize background. Typically, the wash buffer solution is composed of buffered saline
Western_blot
Type of electrophoresis
contain buffer solutions with different pH values, so that a pH gradient is effectively established inside the capillary. The buffer solution in each
Isoelectric_focusing
Chemical compound
Bis-tris methane, also known as BIS-TRIS or BTM, is a buffering agent used in biochemistry. Bis-tris methane is an organic tertiary amine with labile
Bis-tris_methane
Network latency caused by excessive packet buffering
undesirable latency that comes from a router or other network equipment buffering too many data packets. Bufferbloat can also cause packet delay variation
Bufferbloat
Measure of solvency/solution
The hydration number varies with the atom or ion of interest. In aqueous solution, solutes interact with water molecules to varying degrees. Metal cations
Hydration_number
Water containing dissolved carbon dioxide gas
carbon dioxide (which creates high 8-10 pH carbonic acid-bicarbonate buffer solution when dissolved in water). The gas dissolves in the water, and a top-off
Carbonated_water
Chemical compound
TAPSO is used to make buffer solutions. It has a pKa value of 7.635 (I=0, 25°C). It can be used to make buffer solutions in the pH range 7.0-8.2. Goldberg
TAPSO
flowing buffer solution while smaller cells will be washed away follow the buffer solution (different sedimentation property within the buffer solution), and
Counterflow centrifugal elutriation
Counterflow_centrifugal_elutriation
Anomaly in computer security and programming
information security, a buffer overflow or buffer overrun is a bug whereby a program writes data to a buffer beyond the buffer's allocated memory, overwriting
Buffer_overflow
Electrode with a stable and accurate electrode potential
22249 V in 3.0 mol KCl/L) pH-electrode (in case of pH buffered solutions, see buffer solution) Palladium-hydrogen electrode Dynamic hydrogen electrode
Reference_electrode
Chemical compound giving a proton or accepting an electron pair
the solution to cause the acid to remain in its protonated form. Solutions of weak acids and salts of their conjugate bases form buffer solutions. To
Acid
Topics referred to by the same term
aircraft constructed by Giuseppe Mario Bellanca in 1929 TES (buffer), a common buffer solution in biology TES (protein), or "testin", the protein product
TES
Electrode that is pH-sensitive
AgCl(s) | internal solution, e.g. 0.1 M KCl(aq), K2HPO4 + KH2PO4 buffer| glass membrane | Test Solution || reference electrode solution, e.g. KCl(aq) + sat
Glass_electrode
Topics referred to by the same term
DPBS may refer to: Dulbecco's phosphate-buffered saline, a buffer solution used in biological research DPBS (CONFIG.SYS directive), a configuration directive
DPBS
Analytical technique based on determining mass to charge ratio of ions
with the buffer. This form of ionization is well-suited for LC-MS, since the liquid used in liquid chromatography already is a buffer solution. Plasmaspray
Mass_spectrometry
Laboratory method for determining the concentration of an analyte
titrations require a constant pH during the reaction. Therefore, a buffer solution may be added to the titration chamber to maintain the pH. In instances
Titration
Chemical compound
A solution of formic acid and sodium formate can thus be used as a buffer solution. Sodium formate is slightly water-hazardous and inhibits some species
Sodium_formate
Process of isolating plasmid DNA from cells
pellet at the bottom of the tube. The pellet is then resuspended in a buffer solution containing EDTA, Tris-HCl, glucose, and ribonucleases. Ethylenediaminetetraacetic
Alkaline_lysis
Method in plant biotechnology
resulting bacteria are washed and suspended into a suitable buffer solution. For injection, this solution is then placed in a syringe (without a needle). The
Agroinfiltration
Chemical compound
magnesium, making it more selective for calcium ions. It is useful in buffer solutions that resemble the environment in living cells where calcium ions are
EGTA
Behaviour of charged particles near a semi-permeable membrane
chromatography, the pH of the buffer adjacent to the charged groups of the membrane is different from the pH of the rest of the buffer solution. When the charged
Gibbs–Donnan_effect
Aequous solution with a physiological pH and isotonic salt concentration
salt solution Ringer's balanced salt solution (RBSS) Simm's balanced salt solution (SBSS) TRIS-buffered saline (TBS) Tyrode's balanced salt solution (TBSS)
Balanced_salt_solution
Topics referred to by the same term
white, odorless, water-soluble chemical compound Phosphate-buffered saline, a buffer solution commonly used in biological research Primer binding site,
PBS_(disambiguation)
Separating components of a cell while preserving their functions
diagnosis of various disease states. Tissue is typically homogenized in a buffer solution that is isotonic to stop osmotic damage. Mechanisms for homogenization
Cell_fractionation
Scientific device
many BOD bottle sizes. The dose of the mixture of the solution (nutrient, mineral and buffer solution) is related to the size of the bottle. For the Standard
BOD_bottle
Any small, fluid-filled, spherical organelle enclosed by a membrane
rapid injection of a phospholipid solution into an aqueous buffer solution. In this way, aqueous vesicle solutions can be prepared of different phospholipid
Vesicle (biology and chemistry)
Vesicle_(biology_and_chemistry)
Substance which controls acidity or alkalinity
especially in cases where the carbonate hardness is low. Adipic acid Buffer solution List of food additives Sodium bicarbonate "What are acidity regulators
Acidity_regulator
Weak organic acid
spectroscopy, to be 14.4. The speciation diagram shows that solutions of citric acid are buffer solutions between about pH 2 and pH 8. In biological systems around
Citric_acid
Method for separation of DNA
exposed to silica in a solution with high ionic strength. The highest DNA adsorption efficiencies occur in the presence of buffer solution with a pH at or below
DNA separation by silica adsorption
DNA_separation_by_silica_adsorption
Induced shape change in macromolecules
placed on top of short DNA molecules which are then dragged through a buffer solution by application of alternating electrical potentials. By measuring their
Conformational_change
Chemical compound
alkanolamine. It is a useful buffer and a precursor to numerous other organic compounds. Aminomethyl propanol is typically sold as a solution of the material in
Aminomethyl_propanol
Measure of soil chemistry
CEC measurements depend on pH, and therefore are often made with a buffer solution at a particular pH value. If this pH differs from the natural pH of
Cation-exchange_capacity
Chemical compound
acid)) is a zwitterionic organic chemical buffering agent; one of Good's buffers. HEPBS and HEPES have very similar structures and properties
HEPBS
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BUFFER SOLUTION
BUFFER SOLUTION
Surname or Lastname
English
English : possibly of Flemish origin, from a pet form of the Germanic personal name Bufo.English : alternatively, perhaps, from a diminutive of Old French bufe, buffe ‘blow’, ‘slap in the face’, hence probably a nickname for a rough or uncouth man.
Surname or Lastname
English
English : variant of Burger.
Surname or Lastname
English
English : variant spelling of Butcher.German : topographic name for someone who lived by a beech tree or beech wood, from Middle High German buoche ‘beech tree’ + the suffix -er denoting an inhabitant.German : habitational name for someone from any of numerous places called Buch.French (Bûcher) : occupational name for a logger or woodsman, from a derivative of buche ‘log’.One of the earliest immigrants of the Bucher family came from Würzenhaus, Switzerland, to Philadelphia in 1735.
Surname or Lastname
English
English : variant of Duffield.
Surname or Lastname
English (of Norman origin)
English (of Norman origin) : nickname for a greedy person, from Old French saffre ‘glutton’.South German : topographic name for someone living in a damp depression.Jewish (Ashkenazic) : variant of Safir.
Surname or Lastname
variant of German Pfeffer.English
variant of German Pfeffer.English : metonymic occupational name or nickname from Anglo-Norman French pivre ‘pepper’ (see Pepper).
Surname or Lastname
German
German : variant of Rufer.German : variant of Roffers.English : variant of Rover 1.
Male
English
English slang term for someone who breaks things transferred to forename use, originally derived from the verb bust, BUSTER means "to break, smash," hence "breaker, destroyer, smasher."
Surname or Lastname
English
English : occupational name for a maker or seller of buttons, Old French boutonier, from bo(u)ton ‘knob’, ‘lump’, specialized to mean ‘button’.Altered spelling of German Büttner (see Buettner).
Surname or Lastname
English
English : habitational name from either of two places called Bulmer, in North Yorkshire and Essex, or from Boulmer in Northumberland. The first, recorded in Domesday Book as Bolemere, is named in Old English with bula ‘bull’ + mere ‘lake’, as is Boulmer; the second, found in early records as Bulenemera, is from bulena (genitive plural of bula) + mere ‘lake’.
Surname or Lastname
English
English : topographic name for someone who lived by a stream, from Middle English burn ‘stream’ + the suffix -er denoting an inhabitant.
Surname or Lastname
English
English : occupational name for a scribe or copyist, from an agent derivative of Middle English, Old French bulle ‘letter’, ‘document’.English (of Norman origin) : habitational name from a place in Normandy that has not been identified. If it is Bouillé, and so identical with Bulley 1, the -er(s) may have arisen by analogy with other Norman place names in -ière(s) (see for example Villers).German : nickname for a man with a loud voice, from an agent derivative of Middle High German bullen ‘to roar’ (of imitative origin).
Surname or Lastname
Altered spelling of French Duffet, variant of Dufay (see Duffee).English
Altered spelling of French Duffet, variant of Dufay (see Duffee).English : nickname from Middle English d(o)uve, dofe ‘dove’ + hed ‘head’ or fote ‘foot’.
Female
English
Pet form of English Elizabeth, BUFFY means "God is my oath."
Surname or Lastname
English
English : from Old French cof(f)re ‘chest’, ‘box’, applied as a metonymic occupational name for a maker of coffers or chests or, by extension, for a treasurer.Probably an Americanized spelling of German Kaufer or Kauffer (see Kaufer).
Surname or Lastname
English and Irish
English and Irish : from a word that originally denoted a wine steward, usually the chief servant of a medieval household, from Norman French butuiller (Old French bouteillier, Latin buticularius, from buticula ‘bottle’). In the large households of royalty and the most powerful nobility, the title came to denote an officer of high rank and responsibility, only nominally concerned with the supply of wine, if at all.Anglicized form of French Boutilier.Jewish (from Poland and Ukraine) : occupational name for a bottle maker, from Yiddish butl ‘bottle’ + the agent suffix -er.This name was brought independently to New England by many bearers from the 17th century onward. William Butler was one of the founders of Hartford, CT, (coming from Cambridge, MA, with Thomas Hooker) in 1635.
Surname or Lastname
English
English : possibly an unflattering nickname for a boastful, swaggering person (one who huffs and puffs).German (Hüffer) : from the Germanic personal name Hugifrid, composed of hug ‘head’, ‘mind’, ‘spirit’ + frid ‘peace’.North German (Hüffer) : status name for a prosperous small farmer. Compare South German Huber.German : probably an American spelling of Hof or Hoff.
Surname or Lastname
English
English : variant of Bolger.
Surname or Lastname
English
English : nickname for someone with some fancied resemblance to a bittern, perhaps in the booming quality of the voice, from Middle English, Old French butor ‘bittern’ (a word of obscure etymology).English and German : metonymic occupational name for a dairyman or seller of butter, from Old English butere ‘butter’, Middle High German buter.German : possibly a short form of any of the various compound names formed with Butter ‘butter’ (see 2).
Surname or Lastname
English
English : nickname, of Norman origin, for a reliable or good-hearted person, from Old French bon ‘good’ + cuer ‘heart’ (Latin cor).German : variant of Boenker.Bunker Hill in Charlestown, MA, was named as land assigned in 1634 to George Bunker of Charlestown, who had emigrated from Odell in Bedfordshire, England.
BUFFER SOLUTION
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BUFFER SOLUTION
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BUFFER SOLUTION
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