Uncoupling Agents
Spectrophotometry
Hydrogen-Ion Concentration
ESR study on the structure-antioxidant activity relationship of tea catechins and their epimers. (1/612)
The purpose of this study is to examine the relationship between the free radical scavenging activities and the chemical structures of tea catechins ((-)-epigallocatechin gallate (EGCG), (-)-epigallocatechin (EGC) and (-)-epicatechin (EC)) and their corresponding epimers ((-)-gallocatechin gallate (GCG), (-)-gallocatechin (GC) and (+)-catechin ((+)-C)). With electron spin resonance (ESR) we investigated their scavenging effects on superoxide anions (O-.2) generated in the irradiated riboflavin system, singlet oxygen(1O2) generated in the photoradiation-hemoporphyrin system, the free radicals generated from 2,2'-azobis(2-amidinopropane)hydrochloride (AAPH) and 1, 1-diphenyl-2-picrylhydrazyl (DPPH) radical. The results showed that the scavenging effects of galloylated catechins (EGCG and GCG) on the four free radicals were stronger than those of nongalloylated catechins (EGC, GC, EC, (+)-C), and the scavenging effects of EGC and GC were stronger than those of EC and (+)-C. Thus, it is suggested that the presence of the gallate group at the 3 position plays the most important role in their free radical-scavenging abilities and an additional insertion of the hydroxyl group at the 5' position in the B ring also contributes to their scavenging activities. Moreover, the corresponding phenoxyl radicals formed after the reaction with O-.2 were trapped by DMPO and the ESR spectra of DMPO/phenoxyl radical adducts were observed (aN=15.6 G and aHbeta=21.5 G). No significant differences were found between the scavenging effects of the catechins and their epimers when their concentrations were high. However, significant differences were observed at relatively low concentrations, and the lower their concentrations, the higher the differences. The scavenging abilities of GCG, GC and (+)-C were stronger than those of their corresponding epimers (EGCG, EGC and EC). The differences between their sterical structures played a more important role in their abilities to scavenge large free radicals, such as the free radicals generated from AAPH and the DPPH radical, than to scavenge small free radicals, such as O-.2 and 1O2, especially in the case with EGCG and GCG with more bulky steric hindrance. (+info)Formation of hydride-Meisenheimer complexes of picric acid (2,4, 6-trinitrophenol) and 2,4-dinitrophenol during mineralization of picric acid by Nocardioides sp. strain CB 22-2. (2/612)
There are only a few examples of microbial conversion of picric acid (2,4,6-trinitrophenol). None of the organisms that have been described previously is able to use this compound as a sole source of carbon, nitrogen, and energy at high rates. In this study we isolated and characterized a strain, strain CB 22-2, that was able to use picric acid as a sole source of carbon and energy at concentrations up to 40 mM and at rates of 1.6 mmol. h(-1). g (dry weight) of cells(-1) in continuous cultures and 920 micromol. h(-1). g (dry weight) of cells(-1) in flasks. In addition, this strain was able to use picric acid as a sole source of nitrogen at comparable rates in a nitrogen-free medium. Biochemical characterization and 16S ribosomal DNA analysis revealed that strain CB 22-2 is a Nocardioides sp. strain. High-pressure liquid chromatography and UV-visible light data, the low residual chemical oxygen demand, and the stoichiometric release of 2.9 +/- 0.1 mol of nitrite per mol of picric acid provided strong evidence that complete mineralization of picric acid occurred. During transformation, the metabolites detected in the culture supernatant were the [H-]-Meisenheimer complexes of picric acid and 2,4-dinitrophenol (H--DNP), as well as 2,4-dinitrophenol. Experiments performed with crude extracts revealed that H--DNP formation indeed is a physiologically relevant step in picric acid metabolism. (+info)Function of coenzyme F420 in aerobic catabolism of 2,4, 6-trinitrophenol and 2,4-dinitrophenol by Nocardioides simplex FJ2-1A. (3/612)
2,4,6-Trinitrophenol (picric acid) and 2,4-dinitrophenol were readily biodegraded by the strain Nocardioides simplex FJ2-1A. Aerobic bacterial degradation of these pi-electron-deficient aromatic compounds is initiated by hydrogenation at the aromatic ring. A two-component enzyme system was identified which catalyzes hydride transfer to picric acid and 2,4-dinitrophenol. Enzymatic activity was dependent on NADPH and coenzyme F420. The latter could be replaced by an authentic preparation of coenzyme F420 from Methanobacterium thermoautotrophicum. One of the protein components functions as a NADPH-dependent F420 reductase. A second component is a hydride transferase which transfers hydride from reduced coenzyme F420 to the aromatic system of the nitrophenols. The N-terminal sequence of the F420 reductase showed high homology with an F420-dependent NADP reductase found in archaea. In contrast, no N-terminal similarity to any known protein was found for the hydride-transferring enzyme. (+info)Fucoxanthin as the major antioxidant in Hijikia fusiformis, a common edible seaweed. (4/612)
The radical scavenging activity of Japanese edible seaweeds was screened by the DPPH (1-diphenyl-2-picrylhydrazyl) assay to evaluate the DPPH radical scavenging activity in organic extracts. The fresh brown alga Hijikia fusiformis showed the strongest DPPH radical scavenging activity, followed by Undaria pinnatifida and Sargassum fulvellum. The major active compound from Hijikia fusiformis in its acetone extract was identified as fucoxanthin by 13C-NMR spectroscopy. (+info)Dehydroepiandrosterone sulphate promotes hyaluronic acid-induced cervical ripening in rabbits. (5/612)
Hyaluronic acid (HA) stimulates the synthesis of interleukin (IL) 8, while dehydroepiandrosterone sulphate (DHEA-S) induces the expression of IL-8 and its receptor in the human cervical fibroblast. This has led us to investigate the effect of DHEA-S on HA-induced cervical ripening. Experiments were performed in pregnant rabbits using vaginal suppositories containing 1 mg HA, 30 mg DHEA-S, 30 mg DHEA-S + 0.1 mg HA, 30 mg DHEA-S + 1 mg HA, and 500 microl Witepsol-50 base (control). The effects were evaluated by measuring collagenase, gelatinase and elastase activities, water content, neutrophil infiltration, relative collagen concentration and histological assessment. The activities of collagenase, gelatinase and elastase were significantly increased in rabbits treated with DHEA-S + 1 mg HA compared with rabbits treated with DHEA-S + 0.1 mg HA (P < 0.009, P < 0.001, P < 0.009 respectively). Water content was markedly increased in rabbits treated with DHEA-S + 1 mg HA compared with DHEA-S + 0.1 mg HA treatment (P < 0.05). Neutrophil infiltration was markedly increased, while relative collagen concentration was significantly decreased with DHEA-S + 1 mg HA compared with the DHEA-S + 0.1 mg HA approach (P < 0.001, P < 0.002). The histology of cervices treated with DHEA-S + 1 mg HA showed the density of collagen to be markedly decreased, and collagen fibres irregularly separated. Increased vascularity with massive dilatation of blood vessels was also observed in these rabbits. We conclude that DHEA-S upregulates the HA-induced cervical ripening process. (+info)Glomerular filtration rate estimation from plasma creatinine after inhibition of tubular secretion: relevance of the creatinine assay. (6/612)
BACKGROUND: Estimation of glomerular filtration rate (GFR) from plasma creatinine concentration after inhibition of tubular creatinine secretion with cimetidine provides a good assessment in patients with various nephropathies and with non-insulin-dependent diabetes mellitus (NIDDM). The aim of this study was to compare cimetidine-aided GFR estimations using various creatinine assays. METHODS: In 30 outpatients with NIDDM GFR was measured as the urinary clearance of continuously infused [125I]iothalamate. Plasma creatinine concentration was analysed after oral cimetidine with an alkaline picrate (AP) method, with an enzymatic (PAP) assay and with HPLC. GFR estimations were calculated with the Cockcroft Gault formula (CG). RESULTS: AP creatinine concentrations were significantly higher than PAP or HPLC values. GFR estimations by AP (CG(AP) 66 +/- 19 ml/min/1.73 m2, mean SD) were significantly lower than GFR (89 +/- 30), whereas CG(PAP) (85 +/- 30) and CG(HPLC) (84 +/- 34 ml/min/1.73 m2) were not. Bland and Altman analysis showed a difference between CG(AP) and GFR of -22.4 +/- 17.7 ml/min/1.73 m2; this difference becomes larger when the GFR increases. The difference between CG and GFR was only -3.8 +/- 14.8 ml/min/1.73 m2 for PAP and -4.4 +/- 17.5 ml/min/1.73 m2 for HPLC, without any systematic difference. CONCLUSION: A good assessment of the GFR from plasma creatinine after cimetidine administration is possible when creatinine is measured with an enzymatic assay or with the less convenient HPLC method. The more widespread and cheaper alkaline picrate assay is not suitable for GFR-estimation. (+info)Cutting edge: CD40 ligand is a limiting factor in the humoral response to T cell-dependent antigens. (7/612)
CD40 ligand (CD40L) plays a crucial role in T cell-dependent B cell responses, but whether its abundance is a limiting factor in their development is unclear. This question was addressed in transgenic mice expressing the murine CD40L gene under the control of the IL-2-promoter (CD40Ltg+). The fraction of activated T cells from the CD40Ltg+ mice with detectable levels of surface CD40L was modestly greater (1.1- to 2-fold) than littermate controls and paralleled an approximately 1.8-fold increase in CD40L mRNA abundance. In response to trinitrophenol (TNP)-keyhole limpet hemocyanin and tetanus/diphtheria vaccine, CD40Ltg+ mice developed higher titers of high-affinity IgG and IgG1 Ab than wild-type mice. In contrast, the Ab response of CD40Ltg+ and control mice was similar in response to the T-independent Ag TNP-Ficoll. These results suggest that a modest increment in expression of CD40L accelerates the development of T-dependent responses, and that CD40L plays a limiting role in the induction of high-affinity Ab and Ab-class switching. (+info)Radical scavenging activity of phenylpropanoid glycosides in Caryopteris incana. (8/612)
In our screening program for antioxidants from traditional drugs and foodstuffs, one new phenylpropanoid glycoside, incanoside, was isolated together with four known phenylpropanoid glycosides, verbascoside, isoverbascoside, phlinoside A, and 6-O-caffeoyl-beta-D-glucose from the whole plant of Caryopteris incana (Thunb.) Miq. On the basis of chemical evidence and spectral analysis data, the structure of incanoside was determined to be 1-O-(3,4-dihydroxyphenyl)ethyl-O-beta-D-glucopyranosyl (1-->2)-alpha-L-rhamnopyranosyl(1-->3)-6-O-caffeoyl-beta-D- glucopyranoside. The four phenylpropanoid glycosides exhibited potent radical scavenging activity against DPPH, hydroxyl (.OH), and superoxide anion (O2-.) radicals. (+info)
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Picrate
... namely lead picrate or potassium picrate which find their use as primers for cartridge ammunition. Picrates of some metals tend ... A picrate is a salt containing the anion (O2N)3C6H2O− or an ester derivative of the picrate anion. These salts are often ... Ferrous picrate is used in some applications as a diesel fuel additive to achieve better mileage. Sodium picrate is used as an ... Many picrates are explosives, for example ammonium picrate (known as Dunnite). Some are used as primary explosives, ...
Lead picrate
... is an organic picrate salt. It is a sensitive and highly explosive compound that is typically found as a hydrate. ... Dry lead picrate is incredibly dangerous and cannot be handled without explosive decomposition occurring. Lead picrate was ... Numerous lead precursors can be used to create lead picrate. Two of the simplest examples of lead picrate synthesis are the ... "Solubilities and enthalpies of solution of picric acid and picrates at 298.15K in DMF, EtOH and acetic acid". Thermochimica ...
Potassium picrate
In contact with metals (e.g. lead, calcium, iron), potassium picrate, like ammonium picrate and picric acid, forms picrates of ... Potassium picrate, or potassium 2,4,6-trinitrophenolate, is an organic chemical, a picrate of potassium. It is a reddish yellow ... Anhydrous potassium picrate forms orthorhombic crystals. Potassium picrate was first prepared as impure in mid-17th century by ... with lead picrate and potassium chlorate). Potassium picrate is not a very powerful explosive. It is somewhat shock-sensitive. ...
Removal of Hell Gate rocks
... picrates, and chlorates. Also the chemistry and analysis of the elementary bodies which enter into the manufacture of the ...
Explosive
"PowerLabs Lead Picrate Synthesis". powerlabs.org. Archived from the original on 22 May 2016. Matyáš, Robert; Pachman, Jiří ( ... azide Iodine azide Hexamethylene triperoxide diamine Hydrazoic acid Hypofluorous acid Lead azide Lead styphnate Lead picrate ...
Ionophore
Steinrauf, L. K.; Hamilton, J. A.; Sabesan, M. N. (1982). "Crystal structure of valinomycin-sodium picrate. Anion effects on ...
Muscarine
Frydenvang, K.; Jensen, B. (15 May 1993). "Structures of muscarine picrate and muscarine tetraphenylborate". Acta ...
N-Methylconiine
77-78 °C; and the picrate in long needles, mp. 121-122 °C. N-Methyl-d-coniine was prepared by the action of potassium methyl ...
Picric acid
Ammonium picrate (known as Dunnite or explosive D) was used by the United States beginning in 1906. However, shells filled with ... By contrast, picrate salts were solids that did not sublimate, so they did not dissipate heat; hence they did detonate.(( ... Glass or plastic bottles are required, as picric acid can easily form metal picrate salts that are even more sensitive and ... It has found some use in organic chemistry for the preparation of crystalline salts of organic bases (picrates) for the purpose ...
RDX
The Navy proposed to continue using ammonium picrate. In contrast, the National Defense Research Committee (NDRC), who had ...
Coniine
77 °C. The picrate forms small yellow needles, mp. 75 °C, from hot water. The 2,4-dinitrobenzoyl- and 3,5-dinitrobenzoyl- ...
Dunnite
Ammonium picrate is a salt formed by reacting picric acid and ammonia. It is chemically related to the more stable explosive ... Dunnite, also known as Explosive D or systematically as ammonium picrate, is an explosive developed in 1906 by US Army Major ...
Le jour et la nuit (opera)
Manola, Miguel's fiancée arrives, fleeing from the unwelcome attentions of Prince Picrates de Calabazas, the Portuguese prime ... Achille-Félix Montaubry Prince Picrates de Calabazas, prime minister of Portugal - Jules Brasseur Manola - Marguerite Ugalde ...
Dayton Project
The site handled explosives including ammonium nitrate and ammonium picrate, but no radioactive materials were handled there. ...
Thomas Edison
Phenol could be nitrated to picric acid and converted to ammonium picrate, a shock resistant high explosive suitable for use in ... It is said that German companies bought up supplies of phenol to block production of ammonium picrate. Edison preferred not to ... Parliament blocked exports and diverted most to production of ammonium picrate. Britain also blockaded supplies from Germany. ...
Armour-piercing ammunition
The US forces normally used the explosive Explosive D, otherwise known as ammonium picrate, for this purpose. Other combatant ...
Shell (projectile)
Ammonium picrate (known as Dunnite or explosive D) was used by the United States beginning in 1906. Germany began filling ...
Shellite (explosive)
They are considered hazardous as, over time, picric acid will react to form crystals of metal picrates, such as iron picrate. ...
Fixation (histology)
Picrates penetrate tissue well to react with histones and basic proteins to form crystalline picrates with amino acids and ...
Tetryl
It burns readily and is more easily detonated than ammonium picrate or TNT, being about as sensitive as picric acid. It is ...
Low Moor Explosion
As iron picrate is sensitive to being struck or hit, this could have been as source of ignition when the drums made contact ... The fire was most probably started by the ignition of iron picrate which was on the top of the drums. "Died from … the result ... explosion and consequent fire having been caused by the ignition of Picric Acid probably due to the presence of iron picrate on ... tin was easily worn away exposing the iron underneath which would have reacted with the picric acid to form iron picrate. ...
1972 in comics
August 9: Noël Bissot, Belgian comics artist (Le Baron, Youk et Yak, Le Picrate, Croquemitron, Juju), passes away at age 55. ...
Trigonelline
The picrate forms shining prisms (m.p. 198−200 °C) soluble in water but sparingly soluble in dry alcohol or ether. The alkaloid ...
Jaffe reaction
Kinetic Jaffe methods involve mixing serum with alkaline picrate and reading the rate of change in absorption ...
Trinitroanisole
... due to its tendency to form picric acid and dangerous picrate salts, its use has largely been abandoned. Wasag-Chemie, Essen. " ...
Maumelle Ordnance Works Bunker No. 4
The bunker was built in 1941-42 to store the explosives picric acid and ammonium picrate for use during World War II. Of 21 ...
List of explosives used during World War II
Almost all the common explosives listed here were mixtures of several common components: Ammonium picrate TNT (Trinitrotoluene ...
Francium compounds
It will additionally coprecipitate with many other caesium salts, including the iodate, the picrate, the tartrate (also ... Francium nitrate, sulfate, hydroxide, carbonate, acetate, and oxalate, are all soluble in water, while the iodate, picrate, ...
Francium
It will additionally coprecipitate with many other caesium salts, including the iodate, the picrate, the tartrate (also ... Francium nitrate, sulfate, hydroxide, carbonate, acetate, and oxalate, are all soluble in water, while the iodate, picrate, ...
Maumelle Ordnance Works Locomotive 1
The Maumelle Ordnance Works were built by the War Department in 1941 to produce the explosives picric acid, ammonium picrate, ...
Pages that link to "Basic lead picrate" - Sciencemadness Wiki
Desipraminium picrate monohydrate<...
Desipraminium picrate monohydrate. / Harrison, William T. A.; Swamy, M. T.; Nagaraja, P. et al. ... Desipraminium picrate monohydrate. In: Acta Crystallographica Section E: Structure Reports Online. 2007 ; Vol. 63, No. 9. ... Harrison, W. T. A., Swamy, M. T., Nagaraja, P., Yathirajan, H. S., & Narayana, B. (2007). Desipraminium picrate monohydrate. ... title = "Desipraminium picrate monohydrate",. abstract = "In the title compound, C18H23N2+ center dot C6H2N3O7- center dot H2O ...
grinder machine pic rate pk
... As one of leaders of grinder machine pic rate pk industry, SBM always seeks innovation & ... grinder machine pic rate pk - msaquasolution. grinder machine pic rate pk; Latest Case. Ball Mill. Ball mills are used primary ... grinder machine pic rate pk - earthstonegranites. chili grinder - kartazagreba. grinder machine pic rate pk; commercial grinder ... grinder machine pic rate pk; ... dealer jonson pk surabaya. lh km pk hg vr hgi gk dm gemstone equipment dealer in malaysia ...
Nntertiary amine pic rate crystal books
The result is expression of a recombinant protein with a 6xhis or polyhistag fused to its n or cterminus. Here youll find details of my books, articles, and other materials, along with my biography and. In 1842, it is narrated in the history that the camera core is placed within it a polished pewter plate covered bitumen of judea which is a derivative of asphalt manufactured from petroleum. Home nrc library document collections nuregseries publications staff reports nureg1021. If individual pictures are to be reused, appropriate stock picture rates for these uses will at least provide a guide in negotiations if the client wants an allin price. The mission of the archaeological records management section arms is to house, maintain, and protect all records of archaeological investigation in the state of new mexico.. Relpol r30n1021851024 transfer multisort elektronik. Along the lines of the previous conferences, this academic event sets out to offer a forum that has the following aims. The dna ...
Antimicrobial activity of an Amazon medicinal plant (Chancapiedra) (Phyllanthus niruri L.) against Helicobacter pylori and...
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Coordination of Ce(III) and Nd(III) with pentaethylene glycol in the presence of picrate anion: Spectroscopic and X-ray...
Kusrini E, Saleh MI, Lecomte C. Coordination of Ce(III) and Nd(III) with pentaethylene glycol in the presence of picrate anion ... Dive into the research topics of Coordination of Ce(III) and Nd(III) with pentaethylene glycol in the presence of picrate ... Coordination of Ce(III) and Nd(III) with pentaethylene glycol in the presence of picrate anion: Spectroscopic and X-ray ... Coordination of Ce(III) and Nd(III) with pentaethylene glycol in the presence of picrate anion : Spectroscopic and X-ray ...
NHANES 2003-2004: Standard Biochemistry Profile Data Documentation, Codebook, and Frequencies
The LX20 modular chemistry side uses the Jaffe rate method (kinetic alkaline picrate) to determine the concentration of ... A precise volume of sample is introduced into areaction cup containing an alkaline picrate solution. Absorbance readings are ... the Roche method was then compared to the original NHANES 2003-2004 measurements which used the Jaffe kinetic alkaline picrate ...
2,3-Benzfluorene picric acid
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HeteroCycles
Synthesis and X-Ray Analysis of New 1,5-Benzodiazepinium Picrates. Andreas Schmidt,* Abbas Gholipour Shilabin, and Martin ... Hydrogen bonds to the picrate connect the 1,5-benzodiazepinium molecules of two layers. ... 5-benzodiazepinium picrates. In the single crystal, the benzodiazepinium molecules form layers with overlapped 7-membered rings ...
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Erowid Kratom Vaults : Bogus Kratom Market Exposed
... that offered a reference standard of mitragynine picrate (Shulgin 2003). So I also purchased 10 mg of mitragynine picrate from ... The mitragynine picrate had 1 peak average, retention time of 1.6 minutes, with slight trailings being possible contaminates. ... So I can say that that the "kratom acetate" does not contain mitragynine picrate or the other mitragynine compound. With the ... He noted: The mitragynine picrate and mitragynine ethane disulphonate both reacted with Erlichs reagent to produce pale purple ...
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Picric Acid - Hazards & Safe Usage
In such a case, shock-sensitive metallic picrates may have formed at the cap-bottle interface. The solution is to have a robot ... Alkaline sodium picrate is great for preferentially coloring cementite (it also colors M6C carbide). The most successful ... I have used 4% picral, superpicral, Vilellas reagent, a 10:1 mix of 4% picral and 2% nital, alkaline sodium picrate at just ... and alkaline sodium picrate (2 g picric acid, 20 g NaOH, 100 mL water) for coloring M3C and M6C carbides, as well as several ...
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Residual cyanide levels of the flours of the cassava were determined in triplicate using the alkaline picrate method [9], in ... 1 g of picrate and 5 g of sodium carbonate (Na2CO3) were dissolved in a warm water in 200 ml flasks and made up to 200 ml with ... obtained by dissolving 1 g of picrate and 5 g of Na2Co3 in 200 ml of distilled water) was added to each and the whole set up ... was taken in to a spectrophotometer at 490 nm against a blank containing only 1 ml distilled water and 4 ml alkaline picrate ...
Mitragynine picrate3
- Just after I received the mitragynine ethane disulphonate, I was informed of a chemical supply company, Apin Chemicals, that offered a reference standard of mitragynine picrate (Shulgin 2003). (erowid.org)
- So I also purchased 10 mg of mitragynine picrate from them for the hefty price of $250.00. (erowid.org)
- He noted: The mitragynine picrate and mitragynine ethane disulphonate both reacted with Erlich's reagent to produce pale purple spots on my TLC plates. (erowid.org)
Ammonium1
- As Kodak was in the process of manufacturing the two batches of fuzes, the decision was made to use TNT instead of ammonium picrate as filler for the initial testing. (smallarmsreview.com)
Alkaline3
- I have used 4% picral, superpicral, Vilella's reagent, a 10:1 mix of 4% picral and 2% nital, alkaline sodium picrate at just below the boiling point, and several variants of aqueous saturated picric acid with or without minor amounts of HCl and with various wetting agents at either room temperature or just below the boiling point. (vacaero.com)
- Alkaline sodium picrate is great for preferentially coloring cementite (it also colors M6C carbide). (vacaero.com)
- Using biuret method for protein estimation, alkaline picrate-slot method for creatinine and urea estimation, and flame photometry and titrimetric method for electrolytes estimation, selected kidney function parameters which included proteinuria, serum levels of urea, creatinine and electrolytes were determined in 169 malaria patients and in 58 individuals without malaria. (ajol.info)
Picric2
- This was discovered in 1916 at a French ammunition factory when a fire caused molten picric acid to wet a concrete floor, forming calcium picrate which detonated killing 170 people. (vacaero.com)
- The addition of a stochiometric amount of picric acid in boiling EtOH gave rise to precipitation of the product picrate as globs that did not crystallize. (drugwiki.net)
Europium1
- The effect of replacing binders respective 2-aza-cyclooctanone and N-methyl-2-aza-cycloheptanone the compound of europium (III) picrate hydrate was investigated to verify the influence luminescent properties of these ligands on their respective complexes. (ufes.br)
Creatinine1
- The precipitate contains the picrate of trimethylenediamine, mixed with the picrates of cadaverine and creatinine. (dictionary.com)
Compounds3
- This paper describes the synthesis and characterization of compounds of lanthanide (III) picrates, Ln(pic)3], pic = C6H2N3O7e (Ln = Eu e Gd) with 2-aza-cyclooctanone, C7H13NO, (OEN), e N-methyl-2-aza-cycloheptanone, C6H10NO(CH3),(NMK).The compounds of stoichiometry [Eu(pic)3. (ufes.br)
- NMK)3] have been synthesized and characterized by microanalytical procedures, infrared and measures luminescence.The presence of bands assNO2and SNO2due to picrates ions and the frequency shift of CO stretching lactams presented in the vibrational spectrum of compounds to lower energy regions indicate the coordination of the ligands to the metal center lanthanide. (ufes.br)
- The thought of kids and even adults handling picrate , the fulminate , and the iodate compounds is enough to send chills down my spine. (airplanesandrockets.com)
Effects1
- One additive, ferrous picrate, lacked measurable effects on exhaust emissions. (cdc.gov)
Alkaline picrate4
- Serum and urinary creatinine concentrations were determined using the Jaffe kinetic alkaline picrate method. (medscape.com)
- Creatinine was measured by a kinetic alkaline picrate method on an ARCHITECT ci8200 analyzer (Abbott Diagnostics, Wiesbaden, Germany). (ac.rs)
- Measurement of creatinine levels in a blood sample by Jaffe chemistry (kinetic alkaline picrate), and estimation of glomerular filtration rate (eGFR) using the CKD-EPI Creatinine Equation (2009). (genetrack.com)
- Jaffe chemistry (kinetic alkaline picrate) (Alinity c Creatinine assay) for the measurement of creatinine levels and the CKD-EPI Creatinine Equation (2009) to calculate eGFR. (genetrack.com)
Salts5
- The stability, liquid ranges, and thermal decomposition of a series of quaternized and protonated imidazolium nitrate and picrate salts have been investigated. (qub.ac.uk)
- The quaternized, N,N'-dialkylated imidazolium salts are more stable than the protonated examples, and salts with picrate anions are surprisingly more stable than the corresponding nitrate salts and in each case, decompose exothermically yielding volatile decomposition products. (qub.ac.uk)
- Since trinitrophenol possesses high acidity, it can attack metals and produce salts called picrates (see the acid-base reactions mentioned in the introduction). (quirkyscience.com)
- Substitution of alkyl and phenyl groups on the crown ethers, making them more lipophilic, does not seem to assist the transport of Na + and K + as their picrate salts, but rather appears to make the ionophore more susceptible to remain in the chloroform phase, as the chain length increases, and thereby leads to a reduction in transport. (rsc.org)
- as indicated by (1) the disappearance of AATUs from option as assessed by h.p.l.c., (2) the era of free of charge thiols not really previously present and (3) the isolation of types (as picrate and flavianate salts) from natural or simple solutions of AATUs that will vary from those extracted from acidity solutions. (smartosa.org)
Ammonium picrate1
- Ammonium picrate and potassium picrate are sensitive high explosives. (cannonfuse.com)
Potassium2
- Two common commercial picrates are potassium picrate and lead picrate. (quirkyscience.com)
- The ionophorous properties of these crown ethers with respect to the transport of lithium, sodium, and potassium picrates across a bulk liquid chloroform membrane were measured and have been compared to those of crown ethers already used as ionophores. (rsc.org)
Ferrous picrate1
- One additive, ferrous picrate, lacked measurable effects on exhaust emissions. (cdc.gov)
Explosives1
- Many explosives are nitrogen-containing substances, such as trinitrotoluene (TNT), nitroglycerin, and the picrates. (quirkyscience.com)
Picricum1
- Ferrum picricum (H) Picrate of iron - Prostate hypertrophy in older men. (iandeorganics.com)
20161
- Lors du recensement de 2010, le village comptait une population de 603 habitants.Elle est estimée, en 2016, à 596 habitants. (youradvocateprogram.com)
Isolation1
- 6 The picrate salt is used primarily for isolation and purification, the oxalate form is sometimes used in animal studies, and the fumarate salt is most often used in human studies. (psychedelicreview.com)
Determination2
- Coraspin 100 cation-binding properties in solution have been assessed by liquid-liquid extraction of the metal picrates from water into dichloromethane and by stability constants determination in acetonitrile kilk UV-absorption s milk or potentiometry. (searchlight.top)
- The linamarin can be used as a substrate to detect the activity of enzyme linamarase it can also be used in the preparation of standard linamarin filter paper discs which are used to monitor the performance of picrate kits for determination of total cyanide, purified linamarin can also be used as an enzyme-prodrug system in cancer gene therapy [ 8 ]. (biomedcentral.com)
Metal1
- Solvent extraction of alkali metal picrates by lipophilic cyclodextrin derivatives. (mpg.de)
Studies1
- Theoretical studies revealed an unusual ground-state electron transfer from picrate anion to the sensor molecules. (edu.in)