Category: amides-buliding-blocks

Kakeya, Nobuharu; Yata, Noboru; Kamada, Akira; Aoki, Masaru published an article in 1969, the title of the article was Biological activities of drugs. VII. Structure-activity relations of sulfonamide carbonic anhydrase inhibitors. 2.Application of 97-09-6 And the article contains the following content:

Diuretic, natriuretic activities, and duration of the diuretic action in rats were studied with 22 sulfonamide derivatives To clarify the active form of the sulfonamides, the effect of pH of the rat body fluid on the diuretic activity was studied. The diuretic and natriuretic activities of the sulfonamides increased with an increase in their carbonic anhydrase inhibitory activity except for o-substituted benzenesulfonamides, disubstituted benzenesulfonamides, and 2-amino-1,3,4-thiadiazole-5-sulfonamide. A close relation between diuretic and natriuretic activities with the electronic characteristics of the sulfamoyl group, such as Hammett’s σ constant, pKa, NMR chem. shift of the sulfamoyl protons, and S:O valence-force constant was observed for the derivatives with some exceptions. A compound having a large partition coefficient and strong albumin binding ability showed long duration of the diuretic action. The diuretic and natriuretic activities of sulfonamides were enhanced by an increase in their dissociation constants The diuretic activity was enhanced under alkaline conditions. It was concluded that the active form of the sulfonamide carbonic anhydrase inhibitors was the ionized form. The experimental process involved the reaction of 3-Nitro-4-chlorobenzenesulfonamide(cas: 97-09-6).Application of 97-09-6

The Article related to sulfonamides diuresis natriuresis, diuresis natriuresis sulfonamides, natriuresis sulfonamides diuresis, carbonic amhydrase drug, amhydrase carbonic drug, drug carbonic anhydrase and other aspects.Application of 97-09-6

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Vracko, M.; Stanojevic, M.; Sollner Dolenc, M. published an article in 2022, the title of the article was Comparison of predictions of developmental toxicity for compounds of solvent data set.Safety of N,N-Diethylacetamide And the article contains the following content:

We have considered a series of 235 compounds tech. classified as solvents. Chem., they belong to different classes. Their potential developmental toxicity was evaluated using two models available on platform VEGA HUB; model CAESAR and the Developmental/ Reproductive Toxicity library (PG) model. Models provide beside the prediction of developmental toxicity addnl. information on similar compounds from models training sets. In the report, first, we compare the predictions. Second, the sets of similar compounds have been used to implement the clustering scheme. The Kohonen artificial neural network method has been applied as a clustering method. The clusters obtained have been discussed for both models. The experimental process involved the reaction of N,N-Diethylacetamide(cas: 685-91-6).Safety of N,N-Diethylacetamide

The Article related to developmental toxicity solvents data set artificial neural network, developmental toxicity, kohonen artificial neural network, vega hub caesar model, vega hub pg model, solvents and other aspects.Safety of N,N-Diethylacetamide

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

On January 31, 2022, Ratanaphain, Chatkrita; Viboonratanasri, Duangkamon; Prompinit, Panida; Krajangpan, Sita; Khan, Eakalak; Punyapalakul, Patiparn published an article.Product Details of 79-07-2 The title of the article was Reactivity characterization of SiO2-coated nano zero-valent iron for iodoacetamide degradation: The effects of SiO2 thickness, and the roles of dehalogenation, hydrolysis and adsorption. And the article contained the following:

The effect of SiO2-layer thickness in SiO2-coated nano zero-valent iron (nZVI) particles on the reactivity characteristics of iodoacetamide (IAcAm) degradation was evaluated. SiO2-layer thicknesses ranging from 3.6 to 27.3 nm were obtained through varying tetra-Et orthosilicate dosages of 0.001-1 M. The crystallinity, surface chem. composition, and physicochem. properties were evaluated for their effects on synergetic degradation mechanisms, dehalogenation, hydrolysis, and adsorption. At a thickness of 3.6 nm, the SiO2 layer offered the highest observed pseudo-first-order rate (kobs) and higher rates of IAcAm degradation were maintained under pH fluctuations (pH 5-7) and aerobic conditions compared to pristine nZVI. At this SiO2-layer thickness (3.6 nm), the rate of iron oxide-layer formation was reduced and the migration of reactive iron species (Fe0 and Fe2+) for the dehalogenation and hydrolysis reactions was enabled. In a single-solute solution, IAcAm elimination was greater than bromoacetamide and chloroacetamide elimination due to the weak ionic I-C bond. In mixed solute conditions, the hydrophobicity of chloroacetamide played a more significant role in competitive degradation through greater adsorption. The proportion of dehalogenation relative to hydrolysis during IAcAm degradation by pristine nZVI and SiO2-coated nZVI was approx. 0.6:0.4. Iodoacetic acid and acetic acid were detected as intermediates in the degradation pathway of IAcAm by pristine nZVI. In contrast, the SiO2 layer on nZVI can accelerate the transformation of IAcAm to acetamide and iodoacetic acid. The electrolyte background of tap water exhibited a slight inhibitory effect on the degradation of IAcAm for both nZVI and SiO2-coated nZVI. The experimental process involved the reaction of 2-Chloroacetamide(cas: 79-07-2).Product Details of 79-07-2

The Article related to silica iron iodoacetamide dehalogenation hydrolysis adsorptive wastewater treatment, adsorption, dehalogenation, haloacetamide, hydrolysis, sio(2)-coated nano zero-valent iron and other aspects.Product Details of 79-07-2

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Zhu, Dongsheng; Guo, Haijun; Chang, Yu; Ni, Yun; Li, Lin; Zhang, Zhi-Min; Hao, Piliang; Xu, Yong; Ding, Ke; Li, Zhengqiu published an article in 2018, the title of the article was Cell- and Tissue-Based Proteome Profiling and Dual Imaging of Apoptosis Markers with Probes Derived from Venetoclax and Idasanutlin.Category: amides-buliding-blocks And the article contains the following content:

Venetoclax (ABT-199) and idasanutlin (RG7388) are efficient anticancer drugs targeting two essential apoptosis markers, Bcl-2 and MDM2, resp. Recent studies have shown that the combination of these two drugs leads to remarkable enhancement of anticancer efficacy, both in vitro and in vivo. In an attempt to disclose the relationships of their protein targets, competitive affinity-based proteome profiling coupled with bioimaging was employed to characterize their protein targets in the same cancer cell line and tumor tissue. A series of protein hits, including ITPR1, GSR, RER1, PDIA3, Apoa1, and Tnfrsf17 were simultaneously identified by pull-down/LC-MS/MS with the two sets of affinity-based probes. Dual imaging was successfully carried out, with the simultaneous detection of Bcl-2 and MDM2 expression in various cancer cells. This could facilitate the novel diagnostic and therapeutic strategies of dual targeting of Bcl-2/MDM2. The experimental process involved the reaction of 3-Nitro-4-chlorobenzenesulfonamide(cas: 97-09-6).Category: amides-buliding-blocks

The Article related to proteomics imaging apoptosis marker venetoclax idasanutlin drug target, affinity-based probes, antitumor agents, apoptosis biomarkers, combination drugs, target identification and other aspects.Category: amides-buliding-blocks

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

On March 9, 2022, He, Tong; Cui, Peng Lei; Liu, Jing; Feng, Cheng; Wang, Jian Ping published an article.HPLC of Formula: 144-80-9 The title of the article was Production of a Natural Dihydropteroate Synthase and Development of a Signal-Amplified Pseudo-Immunoassay for the Determination of Sulfonamides in Pork. And the article contained the following:

In this study, a type of magnetic photoaffinity-labeled activity-based protein profiling probe for sulfonamide drugs was first synthesized for the purpose of capturing the natural dihydropteroate synthase of Escherichia coli by using simple incubation and magnetic separation After characterization of its identity with LC-ESI-MS/MS, this enzyme was used as a recognition reagent to develop a direct competitive pseudo-ELISA for the determination of the residues of 40 sulfonamides in pork. Because of the use of streptavidin-horseradish peroxidase and biotinylated horseradish peroxidase as a signal-amplified system, the limits of detection for the 40 drugs were in the range of 0.001-0.016 ng/mL. Compared to the steps in a conventional assay formation, the operation steps were the same, but the sensitivities increased 32-88-fold. Furthermore, the assay performances were better than the previously reported immunoassays performances for sulfonamides. Therefore, this method could be used as a practical tool for multiscreening the trace levels of sulfonamides residues in food samples. The experimental process involved the reaction of N-((4-Aminophenyl)sulfonyl)acetamide(cas: 144-80-9).HPLC of Formula: 144-80-9

The Article related to dihydropteroate synthase pseudo immunoassay sulfonamide pork, dihydropteroate synthase, magnetic photoaffinity-labeled probe, pork, signal-amplified pseudo-elisa, sulfonamides and other aspects.HPLC of Formula: 144-80-9

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Guo, Feng; Wang, Yanan; Peng, Jie; Huang, Hetian; Tu, Xiangting; Zhao, Hu; Zhan, Nan; Rao, Zhu; Zhao, Gaofeng; Yang, Hongbo published an article in 2022, the title of the article was Occurrence, Distribution, and Risk Assessment of Antibiotics in the Aquatic Environment of the Karst Plateau Wetland of Yangtze River Basin, Southwestern China.Recommanded Product: 144-80-9 And the article contains the following content:

In this study, the occurrence, distribution, and ecol. risk of 40 commonly used antibiotics, including 15 sulfonamides (SAs), 9 fluoroquinolones (FQs), 7 macrolides (MCs), 3 tetracyclines (TCs), 2 chloramphenicols (CAPs), and 4 other categories, in the aquatic environment of the karst plateau wetland Caohai of the Yangtze River basin in southwestern China are reported. In total, 27 antibiotics were detected, with the detection rate ranging from 5% to 100%. The total concentration at each site ranged from 21.8 ng/L to 954 ng/L, with the average concentration being 189 ng/L. FQs and MCs were the most predominant categories, contributing 29.3% and 25.0% of the total antibiotic burden. The five most commonly detected antibiotics were ciprofloxacin (CIP), oxytetracycline (OTC), acetyl sulfamethoxazole (ASMZ), norfloxacin (NOR), and florfenicol (FF). The spatial distribution of the total concentration at each site demonstrated a decreasing trend from the southeastern area upstream adjoining the main counties to the northwestern area downstream, indicating that human activities have a great impact. Meanwhile, the natural attenuation rates of different types of antibiotics in the direction of flow ranged from 17.6% to 100%, which implied the natural purification potential of the wetland for antibiotics. The cluster anal. results indicated that domestic sewage and wastewater from agriculture and animal husbandry were the main sources of contamination in the surrounding wetland. Risk quotients (RQs) assessment showed that most of the individuals were at low to medium risk and that the adverse risks posed by mixtures of antibiotics were higher than those posed by the individual antibiotics. The experimental process involved the reaction of N-((4-Aminophenyl)sulfonyl)acetamide(cas: 144-80-9).Recommanded Product: 144-80-9

The Article related to antibiotic aquatic environment plateau wetland risk assessment southwestern china, antibiotics, aquatic environment, distribution, occurrence, plateau wetland, risk assessment and other aspects.Recommanded Product: 144-80-9

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

On February 15, 2022, Riggs, Daniel W.; Malovichko, Marina V.; Gao, Hong; McGraw, Katlyn E.; Taylor, Breandon S.; Krivokhizhina, Tatiana; Rai, Shesh N.; Keith, Rachel J.; Bhatnagar, Aruni; Srivastava, Sanjay published an article.HPLC of Formula: 27115-50-0 The title of the article was Environmental exposure to volatile organic compounds is associated with endothelial injury. And the article contained the following:

Volatile organic compounds (VOCs) are airborne toxicants abundant in outdoor and indoor air. High levels of VOCs are also present at various Superfund and other hazardous waste sites; however, little is known about the cardiovascular effects of VOCs. We hypothesized that ambient exposure to VOCs exacerbate cardiovascular disease (CVD) risk by depleting circulating angiogenic cells (CACs). In this cross-sectional study, we recruited 603 participants with low-to-high CVD risk and measured 15 subpopulations of CACs by flow cytometry and 16 urinary metabolites of 12 VOCs by LC/MS/MS. Associations between CAC and VOC metabolite levels were examined using generalized linear models in the total sample, and sep. in non-smokers. In single pollutant models, metabolites of ethylbenzene/styrene and xylene, were neg. associated with CAC levels in both the total sample, and in non-smokers. The metabolite of acrylonitrile was neg. associated with CD45dim/CD146+/CD34+/AC133+ cells and CD45+/CD146+/AC133+, and the toluene metabolite with AC133+ cells. In anal. of non-smokers (n = 375), multipollutant models showed a neg. association with metabolites of ethylbenzene/styrene, benzene, and xylene with CD45dim/CD146+/CD34+ cells, independent of other VOC metabolite levels. Cumulative VOC risk score showed a strong neg. association with CD45dim/CD146+/CD34+ cells, suggesting that total VOC exposure has a cumulative effect on pro-angiogenic cells. We found a non-linear relationship for benzene, which showed an increase in CAC levels at low, but depletion at higher levels of exposure. Sex and race, hypertension, and diabetes significantly modified VOC associated CAC depletion. Low-level ambient exposure to VOCs is associated with CAC depletion, which could compromise endothelial repair and angiogenesis, and exacerbate CVD risk. The experimental process involved the reaction of 2-(4-Methylbenzamido)acetic acid(cas: 27115-50-0).HPLC of Formula: 27115-50-0

The Article related to volatile organic compound environmental exposure endothelial injury, benzene, circulating angiogenic cells, endothelial injury, ethylbenzene, vocs, volatile organic compounds and other aspects.HPLC of Formula: 27115-50-0

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

On August 31, 2022, Rambaldo, Lorenzo; Avila, Hector; Escola Casas, Monica; Guivernau, Miriam; Vinas, Marc; Trobajo, Rosa; Perez-Burillo, Javier; Mann, David G.; Fernandez, Belen; Biel, Carme; Rizzo, Luigi; Bayona, Josep M.; Matamoros, Victor published an article.Computed Properties of 144-80-9 The title of the article was Assessment of a novel microalgae-cork based technology for removing antibiotics, pesticides and nitrates from groundwater. And the article contained the following:

Groundwater pollution has increased in recent years due to the intensification of agricultural and livestock activities. This results in a significant reduction in available freshwater resources. Here, we have studied the long term assessment of a green technol. (1-4 L/day) based on a photobioreactor (PBR) containing immobilized microalgae-bacteria in polyurethane foam (PF) followed by a cork filter (CF) for removing nitrates, pesticides (atrazine and bromacil), and antibiotics (sulfamethoxazole and sulfacetamide) from groundwater. The prototype was moderately effective for removing nitrates (58%) at an HRT of 8 days, while its efficiency decreased at a HRT of 4 and 2 days (<20% removal). The combined use of PBR-CF enabled antibiotics and pesticides to be attenuated by up to 95% at an HRT of 8 days, but their attenuation decreased with shorter HRT, with pesticides being the compounds most affected (reducing from 97 to 98% at an HRT of 8 days to 23-45% at an HRT of 2 days). Pesticide transformation products were identified after the CF, supporting biodegradation as the main attenuation process. A gene-based metataxonomic assessment linked the attenuation of micropollutants to the presence of specific pesticide biodegradation species (e.g. genus Phenylobacterium, Sphingomonadaceae, and Caulobacteraceae). Therefore, the results highlighted the potential use of microalgae and cork to treat polluted groundwater. The experimental process involved the reaction of N-((4-Aminophenyl)sulfonyl)acetamide(cas: 144-80-9).Computed Properties of 144-80-9

The Article related to groundwater pesticide nitrate antibiotics microalgae cork transformation product, antibiotics, microalgae, nitrates, pesticides, photo-biodegradation, transformation products and other aspects.Computed Properties of 144-80-9

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Elliott, Rory; Ryan, Aoife A.; Aggarwal, Aviral; Zhu, Nianyong; Steuber, Friedrich W.; Senge, Mathias O.; Schmitt, Wolfgang published an article in 2021, the title of the article was 2D porphyrinic metal-organic frameworks featuring rod-shaped secondary building units.Application In Synthesis of N,N-Diethylacetamide And the article contains the following content:

Metal-organic frameworks (MOFs) encompass a rapidly expanding class of materials with diverse potential applications including gas storage, mol. separation, sensing and catalysis. So-called ‘rod MOFs’, which comprise infinitely extended 1D secondary building units (SBUs), represent an underexplored subclass of MOF. Further, porphyrins are considered privileged ligands for MOF synthesis due to their tunable redox and photophys. properties. In this study, the CuII complex of 5,15-bis(4-carboxyphenyl)-10,20-diphenylporphyrin (H2L-CuII, where H2 refers to the ligand’s carboxyl H atoms) is used to prepare two new 2D porphyrinic rod MOFs PROD-1 and PROD-2. Single-crystal X-ray anal. reveals that these frameworks feature 1D MnII- or CoII-based rod-like SBUs that are coordinated by labile solvent mols. and photoactive porphyrin moieties. Both materials were characterised using IR (IR) spectroscopy, powder X-ray diffraction (PXRD) spectroscopy and thermogravimetric anal. (TGA). The structural attributes of PROD-1 and PROD-2 render them promising materials for future photocatalytic investigations. The experimental process involved the reaction of N,N-Diethylacetamide(cas: 685-91-6).Application In Synthesis of N,N-Diethylacetamide

The Article related to porphyrinic metal organic framework secondary building unit, 2d mof, 2d materials, mof, porphyrin mof, porphyrinoids, coordination chemistry, metal-organic framework, rod mof and other aspects.Application In Synthesis of N,N-Diethylacetamide

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Xue, Weifeng; Yang, Chunguang; Liu, Mengyao; Lin, Xiaomei; Wang, Mei; Wang, Xiaowen published an article in 2022, the title of the article was Metabolomics Approach on Non-Targeted Screening of 50 PPCPs in Lettuce and Maize.Name: N-((4-Aminophenyl)sulfonyl)acetamide And the article contains the following content:

The metabolomics approach has proved to be promising in achieving non-targeted screening for those unknown and unexpected (U&U) contaminants in foods, but data anal. is often the bottleneck of the approach. In this study, a novel metabolomics anal. method via seeking marker compounds in 50 pharmaceutical and personal care products (PPCPs) as U&U contaminants spiked into lettuce and maize matrixes was developed, based on ultrahigh-performance liquid chromatog.-tandem mass spectrometer (UHPLC-MS/MS) output results. Three concentration groups (20, 50 and 100 ng mL-1) to simulate the control and exptl. groups applied in the traditional metabolomics anal. were designed to discover marker compounds, for which multivariate and univariate anal. were adopted. In multivariate anal., each concentration group showed obvious separation from other two groups in principal component anal. (PCA) and orthogonal partial least squares discriminant anal. (OPLS-DA) plots, providing the possibility to discern marker compounds among groups. Parameters including S-plot, permutation test and variable importance in projection (VIP) in OPLS-DA were used for screening and identification of marker compounds, which further underwent pairwise t-test and fold change judgement for univariate anal. The results indicate that marker compounds on behalf of 50 PPCPs were all discovered in two plant matrixes, proving the excellent practicability of the metabolomics approach on non-targeted screening of various U&U PPCPs in plant-derived foods. The limits of detection (LODs) for 50 PPCPs were calculated to be 0.4∼2.0μg kg-1 and 0.3∼2.1μg kg-1 in lettuce and maize matrixes, resp. The experimental process involved the reaction of N-((4-Aminophenyl)sulfonyl)acetamide(cas: 144-80-9).Name: N-((4-Aminophenyl)sulfonyl)acetamide

The Article related to lettuce maize ppcps nontargeted screening metabolomics, marker compounds, metabolomics, non-targeted screening, pharmaceutical and personal care products, plant-derived food and other aspects.Name: N-((4-Aminophenyl)sulfonyl)acetamide

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics