How to use reagent in a sentence

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Sentence Examples It is used as a laboratory reagent and acid-base indicator and has been used in over-the-counter laxative preparations. The sugars that Benedict's reagent tests for are simple sugars such as glucose and fructose. For the Benedict's test, ensure that excess amount of Benedict's reagent is used. Explain why non-reducing sugars give a negative result when they are heated with Benedict's reagent unless they are first hydrolysed. If the solution is the same blue-green color as the Benedict's reagent, there has been no oxidation and the sample is not an aldehyde. More to the point, it has facilitated many reactions that depend upon acetic acid as a reagent or solvent. The standard procedure for this assay was to remove the cell culture medium and add fresh media containing the MTS tetrazolium reagent. The dithizone heavy metal reagent allows the detection of free heavy metal ions in bodily liquids like urine and saliva. Mix the diphenylamine reagent, as above, and split it into two aliquots before adding the acetaldehyde. The polar chemical dimethyl sulfoxide is a widely used reagent in cell biology. The GA solution was dried in a rotor evaporator and then incubated under vacuum overnight in a reagent flask. Methyl lithium is very reactive and acts as a nucleophilic methylating reagent to electrophilic functional groups, such as ketones. Iodic acid has attracted much interest owing to its potential as oxidant, reagent and acidic source. Nitric acid is completely ionized in solution and as such it is a strong acid and an efficient oxidizing reagent. Polymers are empirically known as a very effective crystallization reagent for proteins. Schiff reagent is formed by the reaction of basic fuchsin with sulfurous acid. Esters can be used to manufacture tertiary alcohols by using a Grignard reagent. Other techniques involve the high temperature fusion of powdered inorganic reagent and the rock. The direction to use concentrated hydrochloric acid, a bench reagent, necessarily involved the addition of some water. Ozone is a strong electrophilic reagent which can attack the double bond found in alkenes. Show More Sentences Total free amino acids in the leaf extracts and in the phloem exudate were analysed with the ninhydrin reagent. The salvinorins react with this chromogenic reagent to produce pinkish-purple spots on the plates. Vapors from chemical warfare agents are converted to ions by a chemical-ionization reagent gas. Standards were visualized by ninhydrin reagent and the chromatogram containing phosphorylated proteins was autoradiographed. Glucose is catalyzed to form gluconic acid by the glucose dehydrogenase or glucose oxidase reagent. After coating the glass with a silane reagent containing aldehyde groups, they used Schiff's base chemistry to immobilise the protein molecules. Nitrate was analysed in the same material using salicylic acid as a reagent. A small crowd gathers to watch Mr Johnston mix water from the plant with the chemical reagent in his kit. We confirmed or established identification using a simple chemical test, the Marquis reagent and gas chromatography with mass-spectrometry detection. Doubling dilutions of the appropriate blood grouping reagent were prepared beforehand, for the selection of blood grouping reagent dilution. Otherwise the correct drop size will not be achieved and the amount of reagent will be incorrect. Manufacturers, repairers and operators of the vehicles shall not tamper with systems which use a consumable reagent. Cloudiness or discoloration of the diluted Wash Solution indicates a deterioration of this reagent. The main reagent that will be used at Nkamouna is sulfur, which will be imported and trucked from Douala to the site. The viscose, cupro or modal fibre is dissolved from a known dry mass of the mixture, with a reagent consisting of formic acid and zinc chloride. Biology influences manufacturing, electronic components are grown in a chemical reagent, and quantum physics prevails. When a new reagent or control lot is used, the analyzer will use the original values encoded in the control barcodes. Part of this molecular chlorine impurity will be present when chlorine dioxide is used as a bleaching reagent. When the picric acid solution has cooled, the sodium carbonate solution is added, mixed and stored in an amber reagent bottle. When the tipping point comes, and all of the unknown reagent has reacted, the solution changes colour. Show More Sentences Light petroleum with a boiling range between 30 and 60 °C. The reagent shall not leave more than 1 mg of residue after evaporation of 100 ml. Customers are offered a very wide range of manual and automated products with extensive reagent menus. The active substance, starting material, intermediate or reagent is not a biological substance. Together, gold and the reagent used to recover it co-exist at opposite ends of a potent equation. The amount of precipitate obtained is limited by the reagent in the smaller quantity, leaving the excess of the other reagent unreacted. Medium-sized companies have an optimal size, from 250 to 5000 employees,  to be independant, agile and reagent in times of crisis. The purity of the electrolytes and the cleanliness of the reagent bottles is very important. We decided to analyse the individual ingredients and subsequently developed a reagent which had a shelf life of up to two years. The technique we have developed involves adding a reagent selective for hydroperoxides to the oil sample. Their amount reflects the extensive programs undertaken to develop new platforms and reagent menus. In the case of aldehydes and ketones containing carbonyl groups, the highly nucleophilic Grignard reagent contributes its electron pair to form a bond with the carbon atom. The samples from the above were reacted with Greiss reagent. The photometer informs you if no valid reagent blank value is available. Diamide, a new reagent for the intracellular oxidation of glutathione to the disulfide. Erythrocyte numbers in the blood, diluted in a Hayem's reagent solution, were counted under a microscope using a Thoma hemocytometer. Read in the test-specific parameters via the reagent barcode. The Griess reagent consists of sulfanilamide and N-1-naphtylethylenediamine. That simplifies the analysis by minimising the number of fragments that have to be processed. The secret is that the proteins from the diseased and healthy tissues are labelled with slightly different forms of the reagent. Defiantly, and with typical generosity, he shared his findings with the world, sending out reagent kits and copies of his patent to anyone who wanted to carry forward his research. The Folin-Denis reagent was prepared by mixing 100 g sodium tungstate, 20 g phosphomolybdic acid and 50 ml phosphoric acid with 750 ml water. Show More Sentences Urea may be substituted for ammonia as the reducing reagent but must be supplied earlier in the process so that it can hydrolyze into ammonia. Samples for GSSG measurement were immediately mixed with thiol-scavenging reagent M2VP after separation. The global transfection reagent market is segmented on the basis of product, method, application, and region. You can, however, measure the reagent blank value yourself. The developed plate was dried using hot air to evaporate solvents from the plate and sprayed with stannic chloride reagent. The trick was to determine the precise amounts of each reagent needed to reduce the level of cyanide but still deliver the same, if not better, results. Sections were stained with periodic acid-Schiff reagent and hematoxylin as a counterstain. A reagent is a substance used to monitor a chemical reaction or state. The improvement is mainly the result of a reduced stripping ratio, an increase in ore processed and a decrease in reagent consumption following process optimization. The content of tannin should be tested by removing a piece of the testa from the seed and placing 1 or 2 drops of the test reagent upon its inner surface. Reagent Identification Symbols are also listed next to the reagent name. Activation was carried out in a muffle furnace, using orthophosphoric acid as activating reagent. Despite its checkered past, diethylzinc is the reagent of choice to make cyclopropanes. The monosolvated Grignard reagent in toluene is particularly liable to complexation with a silane. The quantity of cardiac glycosides in the raw and treated samples was evaluated using Baljet's reagent as described by El-Olemy et al. Likewise, a reagent that is reduced gains electrons and is referred to as the oxidizing agent. Some of these installations use pebble lime as a reagent. They explain the chemistry behind common Karl Fischer, food and beverage titrations, and give practical advice for sample and reagent handling. Bonds can be reset by oxidation or by re-crosslinking with a polyfunctional reagent that reacts with the thiol groups formed in reduction. The following day, we performed transfections using LipofectAMINEPLUS reagent, as per the manufacturer's protocol. Show More Sentences Another ligand delivery reagent this time for the introduction of the 1,8-diazafluorene ligand, has been developed using diazo chemistry. Punches were placed in haemolysing reagent, in duplicate or triplicate, and incubated at room temperature with shaking. Schweizer's reagent and related complexes with ethylenediamine and other amines dissolve cellulose. These attributes, plus the fact that it is available as a pure reagent, make hydrochloric acid an excellent acidifying reagent. Being a standard reagent in laboratories, aniline is used for many niche reactions. In brief, adducted N-terminal valines were detached using the Edman reagent fluoresceine-5-isothio-cyanate. When the second reagent is added, CABA is released and alkylates the sulfhydryl groups of Hcy and Cys. The reagent can quantifiably detect the presence of ketones in patients with suspected diabetic ketoacidosis. The consumption rate of reagent is higher as they are disposable in nature, recurrently used and purchased frequently. One of the results of this research was the implementation of the first customized on-line cyanide analyzer that automates the control of reagent addition. For example, Chapter XIII starts with the description of Benedict's reagent for urine glucose. Dipping: Bloodstained articles are submersed in the reagent and agitated. Lift each of the MF off the TBA surface and place it in its respective cover so that the entire undersurface of the MF is soaked with the reagent. It is used as an oxidizing reagent in laboratories, in the dying of textiles, and in permanent wave neutralizing solutions in the cosmetics industry. Ammonia may also be present as a reagent used in flue gas scrubbers for SOx control or selective catalytic on non-catalytic reduction systems for NOx control. It can also be used for confirmatory tests such as Acetest, Clinitest, Ictotest reagent tablets, and refractometry. The direct oxidation of primary alcohols to carboxylic acids can be carried out using potassium permanganate or the Jones reagent. The mobilization of NTBI by chelators from complexes in which NTBI is not available for the bleomycin reagent may explain this discrepancy. We used tetrabutylammonium hydroxide as an ion-pairing reagent and malonic acid as a buffer for HPLC separation. If reagent areas are discolored or darkened, do not use the strip. Show More Sentences Total sugar in UFP was determined spectrophotometrically with the phenol-sulfuric acid reagent at UV 490 nm. Lipid contents were determined by the vanillin reagent method, with triolein being used as a standard. In addition to reagent differences, limited subclass-specific epitopes may result in monoclonal IgGs having variable recognition by subclass-specific antisera. PhenoFluor, a deoxyfluorinating reagent, provides straightforward access to a wide variety of aryl fluorides from phenols in a one-step, high-yield ipso substitution reaction. This objective of the study was to determine the removal efficiency of arsenic from drinking water by using Fenton's reagent followed by passage through zero valent iron. We previously showed that the toxic effects of Fenton's reagent were sufficiently reduced by preacclimation of microorganisms to high concentrations of hydrogen peroxide. Electrochemiluminescence reagent was then used to determine the immunoreaction and was measured by densitometry on an X-ray film, using the GIS software. Because the reaction is in an equilibrium that favors the rapid protonation of water, addition of acid to the water ensures that the acid is the limiting reagent. The new reagent is designed to have amino modification of oligonucleotide. Affymetrix and other microarray and reagent manufacturers participated in the two-year initiative designed to address the reproducibility of data generated from microarrays. Flotation testwork on various products and size fractions of the Wilfley Table material continues, utilizing varying flowsheets and reagent schemes to optimize REE recovery. Immunoglobulin IgG in the plasma samples was quantified by a turbidimetric method using reagent kits as per the protocol provided by the kit manufacturer. Finally, the recovery of the target protein should be attempted by washing with a suitable eluant so that the target protein dissociates from the affinity reagent. These reagent reservoirs are compatible with various pipettes and make their dripless pour-off sprouts ideal for labs looking to save money and reagent. Examples from Classical Literature Apparently because it cannot be liquefied by the reagent disgorged by the worms. Tannin precipitates, and the precipitate is soluble in excess of the reagent. In preparing the Grignard reagent the commencement of the reaction is accelerated by a trace of iodine. Barium nitrate, used with a neutral solution, is the group reagent in the absence of metal ions other than the alkali metal ions. On account of the readiness with which it condenses with various compounds, benzaldehyde is an important synthetic reagent. On warming the proteid with this reagent, a curdy pink precipitate or a red colour is obtained. The succinate of ammonia is an excellent reagent for detecting and separating iron. Do this by boiling some of the sample in water, and when cool adding a drop or two of iodin reagent. The reagent that causes this liquefaction escapes my endeavors to detect it. This reagent is usually added to the sol, after evaporation and before gelation. If this is not the case a slight excess of the reagent is added. Careful planning, open communication, and extensive education characterized this laboratory's successful conversion to a new reagent. Bismuth lactate and bismuth oxichloride were reagent grade chemicals purchased from Merck. It is a reagent which adds new qualities and rearranges what is received. GoTaq 2-Step RT-qPCR System is a reagent system for quantitative analysis of RNA using a two-step reverse transcription-quantitative PCR method. The global chromatography reagents market is segmented on the basis of types of reagent and application. Moisten samples of cotton and of wool with Millon's reagent. On this account it is a most useful reagent for the blowpipe. The plant will have a floor space of 5,000m2 and will be operated by its US reagent production subsidiary Systmex Reagents America. Treat a sample of the flour in a test tube with this reagent. Find more words! 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Words that rhyme with reagent What is the plural of reagent? Translations for reagent Use our Sentence Generator Nearby Words Reaganomics Reaganite Reagan reafforestation reaffirms reaffirming reagents reagin reak real Real real deal 7-letter Words Starting With r re rea reag reage reagen