Sentences with phrase «ph as a buffer»

Not exact matches

A rapid and inexpensive fluorescence method for screening conditions that affect protein thermal stability, such as protein mutations, ligand binding, and buffer formulations (like pH, salts, detergents, and other additives).

In brief, STZ (Sigma - Aldrich) was diluted in sodium citrate buffer (10 mM, pH 4.5) and injected i.p. at 110 mg / kg per day for a consecutive 2 d. 1 mo after treatment, pancreas from fasted animals with a blood glucose level > 500 mg / dL was collected and used as inoculum for i.p. injections.

The aragonite calcifiers — such as the well - known corals Porites and Acropora — have molecular «pumps» that enable them to regulate their internal acid balance, which buffers them from the external changes in seawater pH.

If the body is too acidic (low pH), then the body will attempt to protect itself from the acid by storing fat and using it as a buffer.

It acts as a buffering agent that balances pH to inhibit bacteria growth.

* Carnosine is a dipeptide (Beta - Alanine plus Histidine) that functions as a buffer for the hydrogen ions (acid) produced during strenuous exercise, thus helping to maintain optimum muscular pH. * NOW uses CarnoSyn ®, a patented form of Beta - Alanine that has been clinically tested and shown to increase muscle carnosine content, allowing muscles to work harder and longer during intense exercise.

It is not technically correct to say that the blood «will become overly acidic» as many claim, because blood pH, and cellular pH is one of the most tightly controlled mechanisms in the body, however there are significant general health effects from having a diet that is too acidic and many of these stem from our need to «buffer» blood and cells that are potentially too acidic (bring them back to normal range.)

A Large scale of commercial processors add a little bit of vinegar, which lowers the pH and helps create a favorable environment for fermentation; at the same time, a small amount of vinegar serves as a «buffer» to prevent the pH from dropping too quickly to allow a slow and steady fermentation.

Unfortunately, or maybe it is fortunate because it's a warning sign, whenever we revert back to an acidic diet their hair soon starts to suffer as the pH drops to acidic and the body must once again buffer the acidity using keratin from hair follicles in an attempt to prevent disease overgrowth.

As the body tries to maintain its ideal pH balance (pH 7.36) under the onslaught of net acidic foods it must take back (leach) parts of our body to buffer (cancel out) the acidity.

Some speculated that excretion of minerals as buffers to control pH might lead to mineral deficiencies, but this seems not to be the case.

As a result, a slightly lower physiological pH must be corrected and buffers like calcium are used to attenuate these adverse acid effects — to the disadvantage of the host.»

Your breathing increases as a means of buffering the ph levels in order to remain alkaline.

Taurine is a semi-essential amino acid that plays a specialized role as an ion and pH buffer in the heart, skeletal muscles and central nervous system.

Once consumed, BA enters the circulation and is up - taken by skeletal muscle where it is used to synthesize carnosine, a pH buffer in muscle that is particularly important during anaerobic exercise such as sprinting or weightlifting [141].

These buffers help prevent extreme drops in blood pH. This is an important defense not only against acidifying foods, but also against other factors that promote acidity in the body, such as chronic stress (7).

While your body has a natural defense system against having an acidic blood pH, it is possible for these buffers to get worn out over time — especially if several factors are present that negatively impact your pH, such as stress and a highly acidic diet.

Some cats become deficient in blood phosphorus as well and many require intravenous buffers (bicarbonate) to bring their blood pH back into normal range.

These include UV - bulbs, T - 5 bulbs, halide bulbs, phosphate removers, nitrate reducers, Kalkwasser beads, marine salt, buffers for pH and KH, chemicals for test kits and test kits in general, reef - safe ich medications, Aiptasia killers, red slime removers, phyto - foods for corals, zoo - foods for corals, live bacteria for starting new tanks, reef additives (such as calcium, magnesium, iodine, etc.), live sand and live feeder items (fish, shrimp, copepods and macro-algae).

Stay Clean Technology also contains a water clarifier that helps remove dirt and debris from water, as well as an added buffer that stabilizes the pH of the water to make aquariums less prone to pH crashes.

All of these, as well as CO2 sequestration as is (just taking CO2 and burying it in old oil reservoirs, aquifers, etc.), would be attempts to grasp the «big control knob» (see Hank Roberts» 670), and in such a way as to have the same or nearly the same (depending on seawater chemistry and how carbonate dissolution works in buffering pH relative to sequestering CO2 from the atmosphere) effect as reducing anthropogenic CO2 emissions.

In the absence of that ion supply, abiotic CO2 uptake in the ocean as a function of CO2 in air is at least somewhat limited by ions already present; acification can (over time) dissolve carbonate minerals that supply cations and carbonate ions, buffering pH and reacting with CO2 to form bicarbonate ions; new cations from chemical weathering have to be supplied to actually remove C from the oceans while keeping pH from dropping and without releasing as much CO2 from bicarbonate ions).

The main weakness of pH is that it changes little as long as buffering is very efficient.

It is appropriate as this point to add that if Bolin & Eriksson's conditions in the last paragraph were true, carbonated beer (Bohren, 1987) and soda «pop» as we know it would be an impossibility with their «buffer» factor (see below); rain and fresh water would not show the observed equilibrium pH of 5.7 (Krauskopf, 1979); and experiments would not had shown complete isotopic equilibrium between CO2 and water in just hours, which in turn is the prerequisite for routine stable isotope analysis involving CO2 (Gonfiantini, 1981).

However below pH 7.0, nearly all carbonate ions (CO3 - 2) will be converted to bicarbonate (HCO3 --RRB-, so that carbonate ions no longer serve as buffering agents.

-- If undersea volcanoes emit sufficient amounts of acids (in the enormous carbonate buffer masses of the deep oceans), then the pH of the oceans could lower somewhat, but that would show up in a lower total carbon (DIC: CO2 + - bi-carbonates) content of the oceans as they release CO2 to the atmosphere.

Your kinetics argument is your own, and it's merely an implicit proposition that not enough carbonate or oxide solids can dissolve fast enough to buffer surface waters to an invariant pH 8.1 - 8.2 as atmospheric CO2 increases.

Fresh water can absorb even less CO2, as that has no buffer factor at all and any CO2 in solution will cause a sharp drop in pH and thus push it back into the atmosphere.