Chromogenic compounds. Medical search. Frequent questions

The most commonly used methodology is the chromogenic assay, which uses a chromophore-linked substrate of factor Xa. (medscape.com)
Upon cleavage of the substrate by the active enzyme (factor Xa), a colored compound is released. (medscape.com)
Subsequently, a mixture of cycloheximide and the chromogenic substrate chlorophenol red-beta-d-galactopyranoside (CPRG) is added. (nih.gov)
Urokinase potency was determined in vitro using a spectrophotometric assay measuring the enzyme's ability to cleave the chromogenic substrate S-2444. (medscape.com)
Reactivity was detected with a chromogenic substrate. (johnshopkins.edu)
The chromogenic substrate TMB (TMBZ) is widely used in ELISA kits. (whdsbio.cn)
In addition to developing the chromogenic substrate for HRP, Desheng also has the luminescent substrate luminol and the direct luminescent reagent acridinium ester, which have higher sensitivity and more accurate detection. (whdsbio.cn)
It occurred to me that this compound, in view of the pH shift in the absorption spectrum of p-nitrophenol, might be a useful chromogenic substrate to assay galactosidase activity. (nih.gov)
After that, the chromogenic peptide substrate succinyl-EALFQ-pNA (Peptides International, USA) was added to make a final concentration of 200?M. The material were incubated at 25?C for 2?h. (nipponkaigi-tokyo.com)
Several toothpaste whitening assays involve the cycling of a substrate through chromogenic mixtures with various components such as saliva, mucins, coffees, teas, microbial broths, etc. (ommegaonline.org)

Nanozyme catalysis has been mainly focused on a few chromogenic and fluorogenic substrates, while environmentally and biologically important compounds need to be tested to advance the field. (uwaterloo.ca)
Journal of Experimental Medicine 50: 521-531 1929 -------------- This has to do with my quest for chromogenic substrates to be used in the assay of B-galactosidase, in particular for the nitrophenyl galactoside. (nih.gov)
Chromogenic assays use specific factor substrates bound to a chromophore and release a colored compound when cleaved proportionally to the amount of factor present. (openanesthesia.org)

Due to these difficulties, a classification based on clotting, chromogenic or immunological assays is still the most suited for clinical purposes. (nih.gov)
TMBZ is a stable oxidative chromogenic dye utilized for microplate assays. (dojindo.com)
Plasmas treated using Inhibitor Tubes may be used as positive controls in clotting, chromogenic or other assays. (diapharma.com)
Plasmas treated with Inhibitor Tubes may be used as positive controls in clotting, chromogenic or other assays. (diapharma.com)
If appropriate test results are not as expected by Inhibitor Tubes, apply appropriate clotting, chromogenic anti factor Xa or anti thrombin assays to obtain specific results. (diapharma.com)
Coagulation tests can be broadly divided into clot-based and chromogenic assays.1 In both techniques, whole-blood samples are centrifuged to obtain platelet-poor plasma. (openanesthesia.org)

The Bestmann-Ohira Reagent and Related Diazo Compounds for the Synthesis of Azaheterocycles Azaheterocycles are one of the crucial prevalent programs of compounds present in fairly a number of bioactive compounds, pure merchandise, and agrochemicals, and undoubtedly, new methods to entry them are on a regular basis in extreme demand. (tissue-cell-culture.com)

In further experiments, the antioxidant compounds quercetin and Trolox triggered the side chain oxidation of 4MTB-GLS, while H2S terminated its degradation. (bvsalud.org)
Some say yes: Scientists including Dr Peter Hollman (RIKILT - Institute of Food Safety and Wageningen University), Dr David Vauzour (The University of Reading), and Dr Christina Khoo (Ocean Spray Cranberries) presented on how various antioxidant compounds have clear benefits for a range of health conditions, but the mechanisms are not related to antioxidant activity. (foodnavigator.com)
During our search for antioxidant compounds from a. (web.app)

Aniline and phenol compounds have been used as oxidative chromogenic reagents for hydrogen peroxide detection. (dojindo.com)
Mechanistic Studies of the TRIP Catalyzed Allylation with Organozinc Reagents 3,3-Bis(2,4,6-triisopropylphenyl)-1,1-binaphthyl-2,2-diyl hydrogenphosphate (TRIP) catalyzes the uneven allylation of aldehydes with organozinc compounds leading to extraordinarily worthwhile structural motifs, like precursors to lignan pure merchandise. (tissue-cell-culture.com)
Selective part change reagents (OxP-crowns) for chromogenic detection of nitrates significantly ammonium nitrate Nitrogen and phosphorus-containing ions akin to ammonium, nitrates and phosphates are anthropogenic air pollution whereas ammonium nitrate is also diverted for nefarious features in improvised explosive models. (tissue-cell-culture.com)
Leucogentian violet and leucomalachite green are used as precursors in the production of their parent compounds and have direct applications as chromogenic reagents in analytical chemistry and as radiochromic indicators in dosimeters. (who.int)

Tetramethylbenzidine (TMBZ) is a commonly utilized oxidative chromogenic dye for peroxidase detection on a membrane filter or an EIA plate. (dojindo.com)
The detection principle is: heavy metals and chromogenic agents, usually organic compounds, can react with heavy metals to form colored molecular groups. (bwitbee.com)
ToxTracker is a mammalian stem cell-based assay that monitors activation of specific cellular signalling pathways for detection of the biological reactivity of compounds. (europa.eu)
Stem cells are genetically stable and proficient in all cellular pathways required for accurate detection of potentially carcinogenic properties of compounds. (europa.eu)
The secondary antibody, conjugated to a fluorescent or enzyme tag, is added next, and its binding to the primary antibody is detected either by fluorescence or chromogenic detection. (csimarket.com)

Consequently, an additional benefit of this project will be a series of new chromogenic and fluorogenic chemosensors. (irb.hr)

Carrots' high phenolic contents, including chromogenic, coffee acid and coffee acid compounds, aid in relaxation of blood vessels, which may reduce inflammation and lower blood pressure. (breakingnews21.com)
Total phenolic compounds and antioxidant capacities of major. (web.app)

1963) Tables of Spectrophotometric Absorption Data of Compounds Used for the Colorimetric Determination of Elements. (photochemcad.com)
Hirayama, K. (1967) Handbook of Ultraviolet and Visible Absorption Spectra of Organic Compounds. (photochemcad.com)

It needs to introduce another compound (such as 4-AA, MBTH) for color reaction, but TMBZ needs to perform color reaction under acidic conditions (HCl), which limits its application. (whdsbio.cn)

The ToxTracker assay is a panel of six validated GFP-based mouse embryonic stem (mES) reporter cell lines that can be used to identify the biological reactivity and potential carcinogenic properties of compounds in a single test. (europa.eu)

Herein, we report the isolation, characterization, and hepatoprotective effect of the Boerhavia procumbens-derived eupalitin-3-O-ß-D-galactopyranoside (EGP) compound. (bvsalud.org)
Compound characterization info: Compound 4, ethyl-(calc C31H39FN5O6 (M? (nipponkaigi-tokyo.com)

This was an intermediate in the synthesis of the aminophenyl compounds used in the Avery/Goebel and Landsteiner immunochemical studies. (nih.gov)
The first mechanosynthesis of organopalladium compounds via C-H bond activation, which is of exceptional importance in organic synthesis, by palladium(II) acetate has been recently reported by our group. (irb.hr)
Within this project we propose to develop and implement the solid-state methods for the synthesis of a series of cyclopalladated aromatic azo compounds. (irb.hr)

carbohydrate An organic compound based on the general formula C x (H 2 O) y , performing many vital roles in living organisms. (fao.org)
DMS, UV Atlas of Organic Compounds. (photochemcad.com)
CRC Atlas of Spectral Data and Physical Constants for Organic Compounds. (photochemcad.com)
Dpph is a common abbreviation for the organic chemical compound 2,2diphenyl1picrylhydrazyl. (web.app)

The potential of oxidized developers in a color photographic process however, was first realized by another German chemist, Rudolf Fischer, who, in 1912, filed a patent describing a chromogenic process to develop both positives and negatives using indoxyl, and thio-indoxyl-based color developers as dye couplers in a light-sensitive silver halide emulsion. (wikipedia.org)
In the presence of oxygen, indoxyl spontaneously forms indigo , a chromogenic compound that appears blue to blue-violet. (microbeonline.com)

discusses three techniques for the bacterial endotoxins test: the gel clot technique, the turbidimetric technique, and the chromogenic technique. (rxinsider.com)

Hence, it is of interest to develop new antiviral compounds against the common aetiological providers of the disease. (nipponkaigi-tokyo.com)

The amount of hydrogen peroxide is determined by spectrophotometer using an oxidative chromogenic dye and peroxidase. (dojindo.com)
Dojindo offers stable and water-soluble oxidative chromogenic dyes for the hydrogen peroxide (H 2 O 2 )-peroxidase assay. (dojindo.com)
HRP (brown color) reacts with hydrogen peroxide to form Compound I (yellowishgreen color). (dojindo.com)
A new method has been developed and has been shown to detect significant differences in whitening scores between toothpastes containing different peroxide compounds and peroxide-free products. (ommegaonline.org)
Compounds in this category include calcium peroxide, carbamide peroxide and hydrogen peroxide. (ommegaonline.org)

That aromatic solvents could be both chromogenic and neurotoxic first surfaced in the early 1900s when children and adults were reported to excrete green urine and develop acute central nervous toxicity after either domestic and occupational exposure to tetralin-containing waxes or varnishes. (nih.gov)
By 1960, several widely-used aromatic solvents were shown to be chromogenic but their neurotoxic potential was not assessed. (nih.gov)
Many widely used non-chlorinated aromatic solvents (benzene, o-xylene, diethylbenzene, triethylbenzene) are reported to have chromogenic properties, but these have not been assessed with modern analytical methods. (nih.gov)
Friedel, R. A. and M. Orchin (1951) Ultraviolet Spectra of Aromatic Compounds. (photochemcad.com)

Pharmaceutical Compounding-Sterile Preparations, which requires endotoxin testing of high-risk compounded sterile preparations. (ijpc.com)
The ultimate in simplicity and speed, the cartridges offer a 15-minute endotoxin assay utilizing an FDA-licensed compendial-compliant kinetic chromogenic testing solution. (rxinsider.com)

Since peroxidase is one of the most commonly used enzymes for enzyme immunoassays (EIA), several oxidative chromogenic dyes are available for staining tissue sections and membrane filters. (dojindo.com)

First, a large amount of yeast with estrogenic compounds is incubated for 24 hr. (nih.gov)
A slew of different bacteria and yeast find sanctuary amidst the lengthened papillae, compounding the problem. (localquoter.net)

The stability of these oxidative chromogenic dyes, however, is sometimes low due to the oxidation by oxygen. (dojindo.com)

The screening of medicinal plants used locally for the treatment of infectious diseases, can provide a reliable option in the discovery of potent therapeutic compounds. (biomedcentral.com)

Ethanol-induced HepG2/CYP2E1 cells were treated with the compounds at various concentrations, and the results showed that there was a dose-dependent decrease of gamma-glutamyl transpeptidase (GGT) activity and increase of glutathione (GSH) in the culture media with an increase in cell viability. (hindawi.com)
Compared to the CCl4-treated group, cells exposed to the EGP compound at 200 µg/ml showed increased cell viability (60.52 ± 1.22 %) and decreased LDH levels (23.81 ± 1.89 U/ml). (bvsalud.org)

Some of these organisms are chromogenic, meaning they possess the capability to produce pigments. (localquoter.net)
The positive effects of pigments such as Lycopene or potassium compounds on the heart are strongly linked to their high carotenoid content. (breakingnews21.com)

The dots dissolve within 10 minutes into 1ml of fluids such as blood, plasma or urine, thereby transferring the compound into samples. (diapharma.com)

Thirty days after the initial compounding, all syringes were thawed at room temperature, and the samples' urokinase potency, pH, and physical appearance were evaluated. (medscape.com)
Raising the incubation temperature to 42 °C increased the specificity of Pseudomonas CN selective agar and Pseudomonas isolation agar (61% and 47% respectively after 72 h), but increased the number of false positives encountered with the chromogenic medium, decreasing its specificity to 68% after 72 h. (cardiff.ac.uk)
This involves fixing the sample, typically with formalin or alcohol, and embedding it in paraffin or freezing it in optimal cutting temperature (OCT) compound. (csimarket.com)
The CHAGAFOOD company manufactures products only from clean Amanita muscaria caps and pieces of mushroom chaga, dried in industrial convection drying chambers at a temperature not exceeding 38 ° C. After drying, the Amanita muscaria is aged for at least a month in a dry, dark, well-ventilated area to maximize the removal of dangerous and toxic substances and compounds from mushrooms. (chagafood.com)

Furthermore, the protective effects of the compounds were evaluated by protein expression levels of GGT, GSH, and CYP2E1 using Western blot. (hindawi.com)

Most of the chromogenic dyes are easily oxidized with activated oxygen by metals or light. (dojindo.com)

Although the paper's name was changed to "Kodak Ektacolor Paper" in 1958, the terminology "Type-C Print" persisted, and has become a popular term for chromogenic prints made from negatives still in use today, with the name "Type-R Print" becoming its reversal film counterpart. (wikipedia.org)

Thus, our results show that the EGP compound is a promising and novel lead molecule for better hepatotoxicity control and therapy. (bvsalud.org)
Overall, the chromogenic agar was the most selective but further consideration is required to optimise interpretation of results. (cardiff.ac.uk)

The direct complex formation between AHL and QS inhibitors markedly reduced the QS in a chromogenic test. (unl.pt)
These compounds may quench free radicals in a test tube, but in the body they may produce benefits via anti-inflammatory pathways, or changing gene expression, or boosting the levels of compounds to relax blood vessels, or indirectly promoting antioxidant defences by stimulating the body's own antioxidant enzymes like superoxide dismutase (SOD). (foodnavigator.com)

Chromogenic prints made from negatives became obsolete with the release of chromogenic digital prints, which have become the most common photographic print today. (wikipedia.org)

In addition, compounds will be analysed for their ability to induce hypoxia by assessing the expression of HIF1 alpha target genes using qPCR. (europa.eu)

A chromogenic print, also known as a C-print or C-type print, a silver halide print, or a dye coupler print, is a photographic print made from a color negative, transparency or digital image, and developed using a chromogenic process. (wikipedia.org)
698 Agfa patented both the developer for this print and its photographic process, and promptly developed and released in 1936 Agfacolor Neu, the first chromogenic print, which was a color print film that could be developed using a transparency. (wikipedia.org)
Due to their simple development process and their cheap price, chromogenic printing became wildly popular in amateur photography, and by the 1960s it overtook black and white printing in the amateur photofinishing market. (wikipedia.org)
Compounding pharmacists achieve non-pyrogenic condition by avoidance of bioburden during the compounding process, and implementation of depyrogenation procedures (e.g., glassware). (rxinsider.com)
It may be a less complicated process than ECN-2, but Cs2 is actually more advanced chemistry, utilizing chemical compounds and technology which didn't exist when ECN-2 was originally designed. (cinestill.film)

Expertly extracted in alignment with the wisdom of traditional Siberian herbalists and then freeze dried to capture and secure the valuable chromogenic complex compounds that chaga's powerful immune boosting & numerous adaptogenic properties are revered for. (primalalchemy.co.uk)

In this experiment you will obtain active compounds from natural supplements echinacea, ginkgo, grape seeds, green tea, and st. (web.app)

The AHL-neutralizing effect of the related compounds was shown by chromogenic method. (unl.pt)

The structure of the EGP compound was deduced by using NMR spectroscopic techniques and mass spectrometry. (bvsalud.org)

698 Agfa developed a chromogenic negative film by 1939, which could be developed directly on a companion paper to the film, although this film was never commercialized. (wikipedia.org)
In 1955, Kodak introduced a chromogenic paper named "Type C", which was the first color negative paper Kodak sold to other labs and individual photographers. (wikipedia.org)

RD cells subjected to compound treatment under the same conditions as the experimental samples for 12?hours was incubated with 10% AlamarBlue? (nipponkaigi-tokyo.com)

Liv Pure is created with a blend of natural and safe compounds that have actually been clinically verified to help in weight decrease with no adverse adverse effects. (bodykai.com)

In 1942, Kodak released Kodacolor, the first published chromogenic color print film that could be developed from a negative. (wikipedia.org)
The pioneers in the use of chromogenic prints and in the use of color photography as a whole in fine-art were photographers such as Ernst Haas, which was profiled by the Museum of Modern Art in its first exhibition of color photography in 1962. (wikipedia.org)
257 Other pioneering fine-art color photographers who printed their photographs on chromogenic prints include William Eggleston:251 and Stephen Shore. (wikipedia.org)
Chromogenic processes are characterized by a reaction between two chemicals to create the color dyes that make up a print. (wikipedia.org)
Then Compound I turns back to HRP by one electron oxidoreduction via Compound II (red color). (dojindo.com)

Consequently, higher levels of LMWH or UH in the sample lead to lower chromogenic intensity. (medscape.com)
It helps to reduce the production of compounds like oxylipins, which help lower blood pressure by slowing down inflammation. (breakingnews21.com)

Notwithstanding the success of chromogenic prints in the amateur and professional market, it wasn't considered a medium for fine-art photography up to the 1970s. (wikipedia.org)
Their works, and those of many others, caused chromogenic prints to become the preferred medium for contemporary photography by the 1990s. (wikipedia.org)

Chemicals and Drugs2

Phenomena and Processes1

Substrate10

Substrates3

Assays6

Reagent1

Antioxidant compounds3

Reagents4

Detection5

Fluorogenic1

Phenolic2

Absorption2

TMBZ1

Reactivity1

Characterization2

Synthesis3

Organic4

Indoxyl2

Bacterial1

Antiviral1

Peroxide5

Aromatic4

Endotoxin2

Enzyme1

Yeast2

Oxidation1

Potent1

Cell viability2

Pigments2

Urine1

Temperature4

Protein1

Oxygen1

Term1

Results2

Test2

Common1

Addition1

Process5

Properties1

Active1

Shown1

Techniques1

Paper2

Cells1

Natural1

Color5

Lower2

Photography2