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*  Urine test strip
Traditional reagent strip testing for protein uses the principle of the protein error of indicators to produce a visible ... Indicator-H+(Yellow) + Protein → Indicator(Blue-green) + Protein-H+ The presence of blood in the urine is, of all the ... Contrary to the general belief that indicators produce specific colours in response to particular pH levels, certain indicators ... Reagent strip tests can detect concentrations as low as five red blood cells per microliter; however, care must be taken when ...
*  Bromopyrogallol red
It is chosen under the spectrophotometric determination method and used as indicator because the reagent forms different ... Benedict's reagent Tollens' reagent Lucas' reagent Pill testing "spiro(3h-2,1-benzoxathiole-3,9'-(9h)xanthene)-3',4',5',6'- ... Bromopyrogallol red is commonly used in analytical chemistry as a spectrophotometric reagent and complexometric indicator. When ... Instead of an indicator, bromopyrogallol red is now used as a catalyst, and its reaction rate depends upon enzyme and substrate ...
*  List of MeSH codes (D16)
... indicators and reagents MeSH D27.720.470.410.080 --- affinity labels MeSH D27.720.470.410.080.600 --- photoaffinity labels MeSH ... reagent kits, diagnostic MeSH D27.720.470.410.680.680 --- reagent strips MeSH D27.720.470.410.690 --- reducing agents MeSH ... D27.720.470.410.200 --- chromogenic compounds MeSH D27.720.470.410.210 --- cross-linking reagents MeSH D27.720.470.410.360 --- ... D27.720.470.410.700 --- sulfhydryl reagents MeSH D27.720.470.410.750 --- thiobarbituric acid reactive substances MeSH D27.720. ...
*  Tolidine
2-Tolidine was widely used as a reagent or indicator in analytical, clinical and forensic chemistry, such as in the analytical ...
*  Pyranine
... is soluble in water and has applications as a coloring agent, biological stain, optical detecting reagent, and a pH ... indicator. One example would be the measurement of intracellular pH. Pyranine is also found in yellow highlighters, giving them ...
*  PH indicator
West, T. S. (1969). Complexometry with EDTA and related reagents (3rd ed.). Poole, UK: BDH Chemicals Ltd. pp. 14-82. Zumdahl, ... Because indicators have intense absorption spectra, the indicator concentration is relatively low, and the indicator itself is ... Normally, the indicator causes the color of the solution to change depending on the pH. Indicators can also show change in ... In some indicators, such as phenolphthalein, one of the species is colorless, whereas in other indicators, such as methyl red, ...
*  Xylenol orange
... is an organic reagent, most commonly used as a tetrasodium salt as an indicator for metal titrations. When used ...
*  Titan yellow
It is a triazene dye used as a stain and fluorescent indicator in microscopy. It is also used as a reagent for the detection of ... As an acid-base indicator, it changes color from yellow to red between pH 12 and pH 13. Thiazole Yellow G at Sigma-Aldrich. ...
*  Grignard reaction
Typical tests involve titrations with weighable, anhydrous protic reagents, e.g. menthol in the presence of a color-indicator. ... Although the reagents still need to be dry, ultrasound can allow Grignard reagents to form in wet solvents by activating the ... Grignard reagents are similar to organolithium reagents because both are strong nucleophiles that can form new carbon-carbon ... Grignard reagents react with a variety of carbonyl derivatives. The most common application of Grignard reagents is the ...
*  Interchim
Cell Assays reagents and kits (i.e. FluoProbes indicators, high sensitive viability assay UptiBlue) and an innovate ... Interchim is a privately owned French company specialized in manufacturing and distribution of reagents, consumables and ...
*  Ehrlich's reagent
... and thus can act as an indicator to presumptively identify indoles and urobilinogen. Several Ehrlich tests use the reagent in a ... Froehde reagent Indole test Kovac's reagent, similar but uses isoamyl alcohol Liebermann reagent Marquis reagent de Faubert ... Ehrlich's reagent or Ehrlich reagent is a reagent that contains p-dimethylaminobenzaldehyde (DMAB) ... The Ehrlich reagent is similar to a number of other indole tests: The van Urk reagent, which uses DMAB, sulfuric acid and an ...
*  Oxidase test
... which is also a redox indicator. The reagent is a dark-blue to maroon color when oxidized, and colorless when reduced. Oxidase- ... The test reagent, TMPD dihydrochloride acts as an artificial electron donor for the enzyme oxidase. The oxidized reagent forms ... After colonies have grown on the medium, 2-3 drops of the reagent DMPD are added to the surface of each organism to be tested. ... It uses disks impregnated with a reagent such as N,N,N′,N′-tetramethyl-p-phenylenediamine (TMPD) or N,N-dimethyl-p- ...
*  Triphenylmethane
This colour can be used as an indicator when maintaining anhydrous conditions with calcium hydride; the hydride reagent reacts ... Triphenylmethane is the basic skeleton of many synthetic dyes called triarylmethane dyes, many of them are pH indicators, and ...
*  Chemical equilibrium
... indicators, acid-base homeostasis Metal-ligand complexation: sequestering agents, chelation therapy, MRI contrast reagents, ... The chemical potential of a reagent A is a function of the activity, {A} of that reagent. μ A = μ A ⊖ + R T ln ⁡ { A } {\ ... General expressions applicable to all systems with two reagents, A and B would be T A = [ A ] + ∑ i p i β i [ A ] p i [ B ] q i ... When the concentration of dissolved salt is much higher than the analytical concentrations of the reagents, the ions ...
*  Niclosamide
"Niclosamide". International Drug Price Indicator Guide. Archived from the original on 10 May 2017. Retrieved 1 December 2016. ... Weinbach EC, Garbus J (1969). "Mechanism of action of reagents that uncouple oxidative phosphorylation". Nature. 221 (5185): ...
*  Glutathione reductase
The activity of glutathione reductase is used as indicator for oxidative stress. The activity can be monitored by the NADPH ... consumption, with absorbance at 340 nm, or the formed GSH can be visualized by Ellman's reagent. Alternatively the activity can ...
*  In situ chemical oxidation
The reagents travel down the core of the probe and exit out though small perforations along the sides of the probe which are ... Elevated levels of CO2 is an indicator of oxidation.[citation needed] The four main types of oxidants that are used in ISCO- ... The reagents travel away from the core by going into existing cracks and pores and create a "halo of reactivity" (from pg. 182 ... Fenton's reagent is basically a mixture of ferrous iron salts as a catalyst and hydrogen peroxide. A similar sort of reaction ...
*  Analytical profile index
During incubation, metabolism produces color changes that are either spontaneous or revealed by the addition of reagents. For ... the pH within the well decreases and that change is indicated by a change in the color of the pH indicator. All positive and ...
*  Zinc
Cobalticyanide paper (Rinnmann's test for Zn) can be used as a chemical indicator for zinc. 4 g of K3Co(CN)6 and 1 g of KClO3 ... Diethylzinc ((C 2H5) 2Zn) is a reagent in synthetic chemistry. It was first reported in 1848 from the reaction of zinc and ... These considerations must be balanced against the paucity of adequate zinc biomarkers, and the most widely used indicator, ... Knochel, Paul; Jones, Philip (1999). Organozinc reagents: A practical approach. ISBN 0-19-850121-8. Archived from the original ...
*  Desiccant
Sometimes a humidity indicator is included in the desiccant to show, by color changes, the degree of water-saturation of the ... Studies show that molecular sieves are superior as desiccants relative to chemical drying reagents such as sodium-benzophenone ... One commonly used indicator is cobalt chloride (CoCl2). Anhydrous cobalt chloride is blue. When it bonds with two water ... Desiccator Humidity buffering Humidity indicator card Hygroscopy Moisture sorption isotherm Solar air conditioning Oxygen ...
*  Wet chemistry
Chemical tests use reagents to indicate the presence of a specific chemical in an unknown solution. The reagents cause a unique ... If no visible change is present, an indicator is added to the solution. The indicator changes color based on the pH of the ... The amount of reagent required for a change to occur is proportional to the amount of the unknown substances. This reveals the ... A reagent with a known volume and concentration is added to a solution with an unknown substance and concentration. ...
*  Belousov-Zhabotinsky reaction
The waves continue until the reagents are consumed. The reaction can also be performed in a beaker using a magnetic stirrer. ... Ferroin, a complex of phenanthroline and iron, is a common indicator. These reactions, if carried out in petri dishes, result ...
*  Silica gel
Common indicators are cobalt(II) chloride and methyl violet. Cobalt (II) chloride is deep blue when dry and pink when wet. It ... These so-called functionalized silica gels are also used in organic synthesis and purification as insoluble reagents and ... An alternative indicator is methyl violet which is orange when dry and green when hydrated. Due to the connection between ... Since such packets may resemble sachets of sugar or salt and because silica gel may have added toxic chemical indicators (see ...
*  California mastitis test
A special reagent for the test is marketed under the name 'CMT-Test', but domestic detergents are frequently used instead, ... The California mastitis test (CMT) is a simple cow-side indicator of the somatic cell count of milk. It operates by disrupting ... An equal volume of test reagent is added, and gently agitated. The reaction is scored on a scale of 0 (mixture remains ... Fairy Liquid is as suitable as a reagent for the CMT, although many cheaper detergents are not. David White, Michael Walmsley, ...
*  Heteroatom-promoted lateral lithiation
A useful indicator for the progress of lateral lithiations is the color of the reaction mixture. Benzyllithium compounds range ... Organolithium reagents are sensitive to moisture and thus should be handled under inert atmosphere in anhydrous conditions. ... The use of mixed zinc/copper organometallic reagents generated from benzyl bromides represents a second alternative to lateral ... 7) Sulfonamides require two equivalents of an organolithium reagent for lateral lithiation, but represent a useful class of ...
*  Air-free technique
For example, when preparing Grignard reagents, magnesium (the cheapest reagent) is often used in excess, which reacts to remove ... Thus, sodium/benzophenone can be used as an indicator of air-free and moisture-free conditions in the purification of solvents ... Not all reagents and solvents are acceptable for use in the glovebox, although different laboratories adopt different cultures ... For example, using a sacrificial excess of a reagent that reacts with water/oxygen can be used. The sacrificial excess in ...