Month: October 2022

The author of 《A convenient colorimetric bacteria detection method utilizing chitosan-coated magnetic nanoparticles》 were Le, Thao Nguyen; Tran, Tai Duc; Kim, Moon Il. And the article was published in Nanomaterials in 2020. Related Products of 30931-67-0 The author mentioned the following in the article:

An effective novel strategy to detect bacteria is promising because it may improve human health by allowing early diagnosis and timely treatment of bacterial infections. Here, we report a simple, reliable, and economical colorimetric assay using the peroxidase-like activity of chitosan-coated iron oxide magnetic nanoparticles (CS-MNPs). When CS-MNPs are incubated with a sample containing bacterial cells such as the gram-neg. Escherichia coli or the gram-pos. Staphylococcus aureus, the neg.-charged bacterial membrane interacts with pos.-charged chitosan on the surface of CS-MNPs, thus resulting in significant reduction of their peroxidase-like activity presumably by a hindrance in the accessibility of the neg. charged substrate, 2-2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS) to the pos.-charged CS-MNPs. This simple colorimetric strategy allowed the rapid detection of bacterial cells down to 104 CFU mL-1 by the naked eye and 102 CFU mL-1 by spectrophotometry within 10 min. Based on the results, we anticipate that the CS-MNPs-based assay has great potential for the on-site diagnosis of bacterial infections in facility-limited or point-of-care testing (POCT) environments. In the part of experimental materials, we found many familiar compounds, such as ABTS Diammonium(cas: 30931-67-0Related Products of 30931-67-0)

ABTS Diammonium(cas: 30931-67-0) belongs to anime. Examples of direct uses of amines and their salts are as corrosion inhibitors in boilers and in lubricating oils (morpholine), as antioxidants for rubber and roofing asphalt (diarylamines), as stabilizers for cellulose nitrate explosives (diphenylamine), as protectants against damage from gamma radiation (diarylamines), as developers in photography (aromatic diamines), as flotation agents in mining, as anticling and waterproofing agents for textiles, as fabric softeners, in paper coating, and for solubilizing herbicides.Related Products of 30931-67-0

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

In 2008,Lemos, Valfredo Azevedo; Baliza, Patricia Xavier; Lago de Carvalho, Anaildes; Oliveira, Rafael Vasconcelos; Teixeira, Leonardo Sena Gomes; Bezerra, Marcos Almeida published 《Development of a new sequential injection in-line cloud point extraction system for flame atomic absorption spectrometric determination of manganese in food samples》.Talanta published the findings.Recommanded Product: 3034-22-8 The information in the text is summarized as follows:

A preconcentration method for manganese determination by sequential injection cloud point extraction with subsequent detection by flame at. absorption spectrometry (FAAS) has been developed. The enrichment of Mn was performed after a preliminary online cloud point extraction and entrapment of manganese-containing surfactant aggregated within a minicolumn packed with cotton. The laboratory-made reagent 4-(5′-bromo-2′-thiazolylazo)orcinol (Br-TAO) and the surfactant Triton X-114 were used for cloud point extraction The manganese ions were eluted with sulfuric acid solution and directly introduced into the FAAS. Chem. and flow variables affecting the preconcentration were studied. Using a sample volume of 2.80 mL the limit of detection and enrichment factor were calculated to be 0.5 μg L-1 and 14, resp. The sample frequency is 48 h-1, considering a total run cycle of 75 s. The accuracy of the proposed method has been demonstrated by the anal. of the certified reference biol. materials rice flour and tomato leaves. The method has been applied to determination of manganese in food samples. In the experimental materials used by the author, we found 5-Bromothiazol-2-amine(cas: 3034-22-8Recommanded Product: 3034-22-8)

5-Bromothiazol-2-amine(cas: 3034-22-8) belongs to anime. Amine, any member of a family of nitrogen-containing organic compounds that is derived, either in principle or in practice, from ammonia (NH3). Naturally occurring amines include the alkaloids, which are present in certain plants; the catecholamine neurotransmitters (i.e., dopamine, epinephrine, and norepinephrine); and a local chemical mediator, histamine, that occurs in most animal tissues.Recommanded Product: 3034-22-8

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

《Phenolic profile, antioxidant, and antidiabetic potential exerted by millet grain varieties》 was published in Antioxidants in 2020. These research results belong to Ofosu, Fred Kwame; Elahi, Fazle; Daliri, Eric Banan-Mwine; Chelliah, Ramachandran; Ham, Hun Ju; Kim, Joong-Hark; Han, Sang-Ik; Hur, Jang Hyun; Oh, Deog-Hwan. Synthetic Route of C18H24N6O6S4 The article mentions the following:

This study evaluated the potential antioxidant and antidiabetic properties in vitro of four millet grain varieties cultivated in South Korea. The free fractions were tested for their total antioxidant capacity using 2,2′-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS+) and 2,2′-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging assays, followed by α-glucosidase, α-amylase, and advanced glycation endproducts (AGEs) formation inhibition assays. The total phenolics, flavonoids, and condensed tannins in the free fractions ranged from 107.8 to 136.4 mg ferulic acid equivalent (FAE)/100 g, 101.3 to 115.8 mg catechin equivalent (CE)/100 g, and 17.65 to 59.54 mg catechin equivalent (CE)/100 g, resp. Finger Italian millet had the highest total phenolic content (136.4 mg FAE/100 g) and flavonoid content (115.8 mg CE/100 g). Barnyard and finger Italian millet showed the highest DPPH (IC50 = 359.6μg/mL and 436.25μg/mL, resp.) and ABTS radical scavenging activity (IC50 = 362.40μg/mL and 381.65μg/mL, resp.). Similarly, finger Italian millet also exhibited significantly lower IC50 values for the percentage inhibition of α-glucosidase (18.07μg/mL) and α-amylase (10.56μg/mL) as compared with acarbose (IC50 = 59.34μg/mL and 27.73μg/mL, resp.) and AGEs formation (33.68μg/mL) as compared with aminoguanidine (AG) (52.30μg/mL). All eight phenolic compounds identified in finger Italian millet were flavonoids, with flavanols being the predominant subclass. Taken together, millet flavonoids play important roles in the prevention and management of type 2 diabetes, and hence finger Italian millet has the potential to be developed as a functional food. The results came from multiple reactions, including the reaction of ABTS Diammonium(cas: 30931-67-0Synthetic Route of C18H24N6O6S4)

ABTS Diammonium(cas: 30931-67-0) belongs to anime. Examples of direct uses of amines and their salts are as corrosion inhibitors in boilers and in lubricating oils (morpholine), as antioxidants for rubber and roofing asphalt (diarylamines), as stabilizers for cellulose nitrate explosives (diphenylamine), as protectants against damage from gamma radiation (diarylamines), as developers in photography (aromatic diamines), as flotation agents in mining, as anticling and waterproofing agents for textiles, as fabric softeners, in paper coating, and for solubilizing herbicides.Synthetic Route of C18H24N6O6S4

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

《TTL proteins scaffold brassinosteroid signaling components at the plasma membrane to optimize signal transduction in Arabidopsis》 was written by Amorim-Silva, Vitor; Garcia-Moreno, Alvaro; Castillo, Araceli G.; Lakhssassi, Naoufal; Esteban del Valle, Alicia; Perez-Sancho, Jessica; Li, Yansha; Pose, David; Perez-Rodriguez, Josefa; Lin, Jinxing; Valpuesta, Victoriano; Borsani, Omar; Zipfel, Cyril; Macho, Alberto P.; Botella, Miguel A.. Formula: C18H24N6O6S4 And the article was included in Plant Cell on August 31 ,2019. The article conveys some information:

Brassinosteroids (BRs) form a group of steroidal hormones essential for plant growth, development, and stress responses. BRs are perceived extracellularly by plasma membrane receptor-like kinases that activate an interconnected signal transduction cascade, leading to the transcriptional regulation of BR-responsive genes. TETRATRICOPEPTIDE THIOREDOXIN-LIKE (TTL) genes are specific for land plants, and their encoded proteins are defined by the presence of protein-protein interaction motives, i.e., an intrinsic disordered region at the N terminus, six tetratricopeptide repeat domains, and a C terminus with homol. to thioredoxins. TTL proteins thus likely mediate the assembly of multiprotein complexes. Phenotypic, mol., and genetic analyses show that TTL proteins are pos. regulators of BR signaling in Arabidopsis (Arabidopsis thaliana). TTL3 directly interacts with a constitutively active BRASSINOSTEROID INSENSITIVE1 (BRI1) receptor kinase, BRI1-SUPPRESSOR1 phosphatase, and the BRASSINAZOLE RESISTANT1 transcription factor and associates with BR-SIGNALING KINASE1, BRASSINOSTEROID INSENSITIVE2 kinases, but not with BRI1-Associated KINASE1. A functional TTL3-green fluorescent protein (GFP) shows dual cytoplasmic plasma membrane localization. Depleting the endogenous BR content reduces plasma membrane localization of TTL3-GFP, while increasing BR content causes its plasma membrane relocalization, where it strengthens the association of BR signaling components. Our results reveal that TTL proteins promote BR responses and suggest that TTL proteins may function as scaffold proteins by bringing together cytoplasmic and plasma membrane BR signaling components.ABTS Diammonium(cas: 30931-67-0Formula: C18H24N6O6S4) was used in this study.

ABTS Diammonium(cas: 30931-67-0) belongs to anime. Large quantities of aliphatic amines are made synthetically. The most widely used industrial method is the reaction of alcohols with ammonia at a high temperature, catalyzed by metals or metal oxide catalysts (e.g., nickel or copper). Mixtures of primary, secondary, and tertiary amines are thereby produced.Formula: C18H24N6O6S4

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

Arora, Amandeep; Teegardin, Kip A.; Weaver, Jimmie D. published their research in Organic Letters on August 7 ,2015. The article was titled 《Reductive Alkylation of 2-Bromoazoles via Photoinduced Electron Transfer: A Versatile Strategy to Csp2-Csp3 Coupled Products》.Reference of 2-Bromo-4-chlorobenzo[d]thiazole The article contains the following contents:

Access to Csp2-Csp3-coupled products is a challenging goal at the forefront of catalysis. The photocatalytic reductive coupling of aryl bromides with unactivated alkenes is introduced as a convenient method that circumvents any need for synthesis of sp3-hybridized coupling partners. The reaction takes place via photoinduced electron transfer from a tertiary amine to an aryl bromide that fragments to provide an aryl radical and subsequently reacts with an alkene to form a C-C bond. Conveniently, the amine also serves as the final reductant. The method is operationally simple, functional group tolerant, and takes place with selectivities that will allow it to be used in the context of complex mol. synthesis. The experimental process involved the reaction of 2-Bromo-4-chlorobenzo[d]thiazole(cas: 3622-40-0Reference of 2-Bromo-4-chlorobenzo[d]thiazole)

2-Bromo-4-chlorobenzo[d]thiazole(cas: 3622-40-0) belongs to thiazoles. Thiazoles are a class of five-membered rings containing nitrogen and sulfur with excellent antitumor, antiviral and antibiotic activities.Reference of 2-Bromo-4-chlorobenzo[d]thiazoleTheir presence in peptides or their ability to bind proteins, DNA and RNA has led to many synthetic studies and new applications.

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

In 2019,Nanomaterials included an article by Tanase, Corneliu; Berta, Lavinia; Coman, Nastaca Alina; Rosca, Ioana; Man, Adrian; Toma, Felicia; Mocan, Andrei; Nicolescu, Alexandru; Jakab-Farkas, Laszlo; Biro, Domokos; Mare, Anca. Related Products of 30931-67-0. The article was titled 《Antibacterial and antioxidant potential of silver nanoparticles biosynthesized using the spruce bark extract》. The information in the text is summarized as follows:

Biosynthesized silver nanoparticles (AgNPs) are widely used in Pharmacy and Medicine. In particular, AgNPs synthesized and mediated by plant extracts have shown to possess several biol. activities. In the present study, AgNPs were synthesized using Picea abies L. stem bark extract as reducing agent. Factors, such as metal ion solution, pH, and time, which play a role in the AgNPs synthesis, were assessed. The synthesized AgNPs were characterized by UV-Visible Spectrometry, Fourier transform IR spectroscopy, and Transmission Electron Microscopy (TEM). Further, the study has been extended to evaluate the antimicrobial and antioxidant activity of AgNPs. The broad peak obtained at 411-475 nm (UV-Vis spectroscopy), and the color change pattern, confirmed the synthesis of AgNPs. TEM results showed spherical or rarely polygonal AgNPs with an average size of 44 nm at pH = 9. The AgNPs showed antioxidant activity and antibacterial effect against human pathogenic Gram-pos. and Gram-neg. bacteria. The results show that spruce bark extract is suitable for obtaining AgNPs, with antibacterial and antioxidant activity. The results came from multiple reactions, including the reaction of ABTS Diammonium(cas: 30931-67-0Related Products of 30931-67-0)

ABTS Diammonium(cas: 30931-67-0) belongs to anime. Acylation is one of the most important reactions of primary and secondary amines; a hydrogen atom is replaced by an acyl group (a group derived from an acid, such as RCOOH or RSO3H, by removal of ―OH, such as RC(=O)―, RS(O)2―, and so on). Reagents may be acid chlorides (RCOC1, RSO2C1), anhydrides ((RCO)2O), or even esters (RCOOR′); the products are amides of the corresponding acids.Related Products of 30931-67-0

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

In 2021,Lab on a Chip included an article by Marquez, Augusto; Santos, Moliria V.; Guirado, Gonzalo; Moreno, Alex; Aznar-Cervantes, Salvador D.; Cenis, Jose Luis; Santagneli, Silvia H.; Dominguez, Carlos; Omenetto, Fiorenzo G.; Munoz-Berbel, Xavier. Recommanded Product: ABTS Diammonium. The article was titled 《Nanoporous silk films with capillary action and size-exclusion capacity for sensitive glucose determination in whole blood》. The information in the text is summarized as follows:

In optical biosensing, silk fibroin (SF) appears as a promising alternative where other materials, such as paper, find limitations. Besides its excellent optical properties and unmet capacity to stabilize biomacromols., SF in test strips exhibits addnl. functions, i.e. capillary pumping activity of 1.5 mm s-1, capacity to filter blood cells thanks to its small, but tuneable, porosity and enhanced biosensing sensitivity. The bulk functionalization of SF with the enzymes glucose oxidase and peroxidase and the mediator ABTS produces colorless and transparent SF films that respond to blood glucose increasing 2.5 times the sensitivity of conventional ABTS-based assays. This enhanced sensitivity results from the formation of SF-ABTS complexes, where SF becomes part of the bioassay. Addnl., SF films triple the durability of most stable cellulose-based sensors. Although demonstrated for glucose, SF microfluidic test strips may incorporate other optical bioassays, e.g. immunoassays, with the aim of transferring them from central laboratories to the place of patient’s care. In the experiment, the researchers used ABTS Diammonium(cas: 30931-67-0Recommanded Product: ABTS Diammonium)

ABTS Diammonium(cas: 30931-67-0) belongs to anime. Amines have a free lone pair with which they can coordinate to metal centers. Amine–metal bonds are weaker because amines are incapable of backbonding, but they are still important for sensing applications.While stronger than hydrogen bonds, amine–metal bonds are still weaker than both covalent and ionic bonds.Recommanded Product: ABTS Diammonium

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

In 2022,Pharmaceuticals included an article by Moodley, Rashmika; Mashaba, Chakes; Rakodi, Goitsemodimo H.; Ncube, Nomagugu B.; Maphoru, Mabuatsela V.; Balogun, Mohammed O.; Jordan, Audrey; Warner, Digby F.; Khan, Rene; Tukulula, Matshawandile. Safety of 6-Chlorobenzothiazol-2-ylamine. The article was titled 《New Quinoline-Urea-BenzΞothiazole Hybrids as Promising Antitubercular Agents: Synthesis, In Vitro Antitubercular Activity, Cytotoxicity Studies, and In Silico ADME Profiling》. The information in the text is summarized as follows:

A series of 25 new benzothiazole-urea-quinoline hybrid compounds, I (X = H, Me, F, NO2, etc.) and II (n = 0, 2, 3, 4, and 6) were synthesized successfully via a three-step synthetic sequence involving an amidation coupling reaction as a critical step. In vitro evaluation of these hybrid compounds for their antitubercular inhibitory activity against the Mycobacterium tuberculosis H37Rv pMSp12::GPF bioreporter strain was undertaken. Of the 25 tested compounds, 17 compounds exhibited promising anti-TB activities of less than 62.5μM (MIC90) and 13 compds showed promising activity with MIC90 values in the range of 1-10μM, while compound I(X = CF3), being the most active, exhibited sub-micromolar activity (0.968μM) in the CAS assay. In addition, minimal cytotoxicity against the HepG2 cell line (cell viability above 75%) in 11 of the 17 compounds, at their resp. MIC90 concentrations, was observed, with compound I(X = CF3), exhibiting 100% cell viability. The hybridization of the quinoline, urea, and benzothiazole scaffolds demonstrated a synergistic relationship because the activities of resultant hybrids were vastly improved compared to the individual entities. In silico ADME predictions showed that the majority of these compounds have drug-like properties and are less likely to potentially cause cardiotoxicity (QPlogHERG > -5).6-Chlorobenzothiazol-2-ylamine(cas: 95-24-9Safety of 6-Chlorobenzothiazol-2-ylamine) was used in this study.

6-Chlorobenzothiazol-2-ylamine(cas: 95-24-9) belongs to thiazoles. Thiazoles are a class of five-membered rings containing nitrogen and sulfur with excellent antitumor, antiviral and antibiotic activities.Safety of 6-Chlorobenzothiazol-2-ylamineThe thiazole ring has been identified as a central feature of numerous natural products, perhaps the most famous example of which is epothilone.

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

Pandey, Deepshikha; Daverey, Achlesh; Dutta, Kasturi; Arunachalam, Kusum published an article in Chemosphere. The title of the article was 《Bioremoval of toxic malachite green from water through simultaneous decolorization and degradation using laccase immobilized biochar》.Related Products of 30931-67-0 The author mentioned the following in the article:

In this study, decolorization and degradation of malachite green dye was studied using the laccase immobilized pine needle biochar. Successful immobilization of biochar was achieved by adsorption and confirmed through SEM and energy dispersive X-ray anal. (SEM-EDX), Fourier transform IR spectroscopy (FTIR). High laccase binding of 64.4 U/g and high immobilization yield of 78.1% was achieved using 4U of enzyme at pH3 and temperature 30 °C. The immobilized laccase retained >50% relative activity in the pH range 2-7, >45% relative activity at 65 °C and >55% relative activity at 4 °C for 4 wk. The re-usability of immobilized enzyme was checked with 2, 2′-azino-bis 3-ethylbenzothiazoline-6-sulfonic acid (ABTS) substrate and enzyme retained 53% of its activity after 6 cycles. Immobilized laccase was used for the degradation and decolorization of azo dye malachite green in aqueous solution More than 85% removal of malachite green dye (50 mg/L) was observed within 5 h. FTIR and high performance liquid chromatog. (HPLC) anal. clearly indicated the breakdown of dye and presence of metabolites (leuco malachite green, methanone, [4-(di-Me amino)pheny]phenyl and 3-dimethyl-Ph amine) in gas chromatog.-mass spectrometry (GC-MS) anal. confirmed the dye degradation Phytotoxicity anal. indicated that the enzymic degradation resulted in lesser toxic metabolites than the original dye. Thus, laccase immobilized biochar can be used as an efficient biocatalytic agent to remove dye from water. The experimental part of the paper was very detailed, including the reaction process of ABTS Diammonium(cas: 30931-67-0Related Products of 30931-67-0)

ABTS Diammonium(cas: 30931-67-0) belongs to anime. Acylation is one of the most important reactions of primary and secondary amines; a hydrogen atom is replaced by an acyl group (a group derived from an acid, such as RCOOH or RSO3H, by removal of ―OH, such as RC(=O)―, RS(O)2―, and so on). Reagents may be acid chlorides (RCOC1, RSO2C1), anhydrides ((RCO)2O), or even esters (RCOOR′); the products are amides of the corresponding acids.Related Products of 30931-67-0

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

The author of 《Design, synthesis and evaluation of benzothiazole urea derivatives as an anticonvulsant agent》 were Kachare, Snehal D.; Baheti, Kamalkishor G.; Yasar, Qazi; Jangam, Sampada S.. And the article was published in Pharma Chemica in 2021. Application of 95-24-9 The author mentioned the following in the article:

A series of 1-((-6-substituted-2-yl)-3-(4H-1,2,4 triazole-3-yl))ureas I (R = H, OMe, Cl, NO2, etc.) and (1-((3-(6-substituted-2-yl)ureido)methyl)cyclohexyl)acetic acids II were designed, synthesized using appropriate synthetic route and screened for CNS depressant and anticonvulsant activities. The synthesized compounds I and II were also analyzed for ADME properties. The results of In-Silico ADME Screening showed that compounds I and II could be exploited as an oral drug candidate. Mol. docking studies were performed for all the synthesized compounds I and II against γ-amino butyric acid amino transferase enzyme (1OHV), and all the compounds I and II exhibited docking score in the range of -7.5 to -8.4, among which compound II (R = Cl) had shown the highest docking scores as compared to the standard drug phenytoin. Animal study for anticonvulsant indicated that compounds I (R = NO2, H) and II (R = Cl) were exhibited significant activity at a dose 200 mg/kg. All these compounds I and II were also evaluated for CNS depressant activity using actophotometer. The results of CNS depressant and anticonvulsant activities and docking study showed that synthesized compounds I and II had potential CNS depressant and anticonvulsant activities and can be further optimized and developed as a lead compound The experimental process involved the reaction of 6-Chlorobenzothiazol-2-ylamine(cas: 95-24-9Application of 95-24-9)

6-Chlorobenzothiazol-2-ylamine(cas: 95-24-9) belongs to thiazoles. Thiazoles are a class of five-membered rings containing nitrogen and sulfur with excellent antitumor, antiviral and antibiotic activities.Application of 95-24-9The thiazole ring has been identified as a central feature of numerous natural products, perhaps the most famous example of which is epothilone.

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica