Category: 30931-67-0

Xu, Wenqing published the artcileRedox Properties of Pyrogenic Dissolved Organic Matter (pyDOM) from Biomass-Derived Chars, Category: thiazole, the publication is Environmental Science & Technology (2021), 55(16), 11434-11444, database is CAplus and MEDLINE.

Chars are ubiquitous in the environment and release significant amounts of redox-active pyrogenic dissolved organic matter (pyDOM). Yet, the redox properties of pyDOM remain poorly characterized. This work provides a systematic assessment of the quantity and redox properties of pyDOM released at circumneutral pH from a total of 14 chars pyrolyzed from wood and grass feedstocks from 200 to 700°C. The amount of released pyDOM decreased with increasing pyrolysis temperature of chars, reflecting the increasing degree of condensation and decreasing char polarity. Using flow-injection anal. coupled to electrochem. detection, we demonstrated that electron-donating capacities (EDC_pyDOM; up to 6.5 mmol_e-·g_C^-1) were higher than electron-accepting capacities (EAC_pyDOM; up to 1.2 mmol_e-·g_C^-1) for all pyDOM specimens. The optical properties and low metal contents of the pyDOM implicate phenols and quinones as the major redox-active moieties. Oxidation of a selected pyDOM by the oxidative enzyme laccase resulted in a 1.57 mmol_e-·g_C^-1 decrease in EDC_pyDOM and a 0.25 mmol_e-·g_C^-1 increase in EAC_pyDOM, demonstrating a largely irreversible oxidation of presumably phenolic moieties. Non-mediated electrochem. reduction of the same pyDOM resulted in a 0.17 mmol_e-·g_C^-1 increase in EDC_pyDOM and a 0.24 mmol_e-·g_C^-1 decrease in EAC_pyDOM, consistent with the largely reversible reduction of quinone moieties. Our results imply that pyDOM is an important dissolved redox-active phase in the environment and requires consideration in assessing and modeling biogeochem. redox processes and pollutant redox transformations, particularly in char-rich environments.

Environmental Science & Technology published new progress about 30931-67-0. 30931-67-0 belongs to thiazole, auxiliary class Salt,Hydrazine,Amine,Benzothiazole, name is Ammonium 2,2′-(hydrazine-1,2-diylidene)bis(3-ethyl-2,3-dihydrobenzo[d]thiazole-6-sulfonate), and the molecular formula is C9H12O, Category: thiazole.

Referemce:
https://pubchem.ncbi.nlm.nih.gov/compound/thiazole,
Thiazole | chemical compound | Britannica

Zhao, Mengxin published the artcileA highly selective and sensitive colorimetric assay for specific recognition element-free detection of uranyl ion, Application In Synthesis of 30931-67-0, the publication is Sensors and Actuators, B: Chemical, database is CAplus.

Current strategies for visual detection of uranyl ion (UO²⁺2) often require DNAzymes and organophosphorus receptors as well as various nanomaterials that may affect the selectivity, sensitivity, and accuracy in a complicated environment. Here, we circumvent these drawbacks by introducing a formic acid (FA)-assisted photolysis of UO²⁺2 initiated chromogenic reaction for specific recognition element-free colorimetric detection of UO²⁺2. The colorless 2, 2â€?azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS) is oxidized by the superoxide anion from the photolysis of UO²⁺2 to generate green ABTS radical, which enables the determination of UO²⁺2 at a concentration of 0.5 μM with the naked eye. The present colorimetric assay is able to determine concentrations of UO²⁺2 from 0.1 to 100 μM, with a limit of detection as low as 0.01 μM. Impressively, the specific recognition element-free colorimetric assay possesses excellent selectivity over common inoganic ions with even 50-fold higher concentration than UO²⁺2. In addition to good sensitivity and selectivity, this colorimetric assay is also capable of determining UO²⁺2 in natural water samples with satisfactory recoveries.

Sensors and Actuators, B: Chemical published new progress about 30931-67-0. 30931-67-0 belongs to thiazole, auxiliary class Salt,Hydrazine,Amine,Benzothiazole, name is Ammonium 2,2′-(hydrazine-1,2-diylidene)bis(3-ethyl-2,3-dihydrobenzo[d]thiazole-6-sulfonate), and the molecular formula is C3H12Cl2N2, Application In Synthesis of 30931-67-0.

Referemce:
https://pubchem.ncbi.nlm.nih.gov/compound/thiazole,
Thiazole | chemical compound | Britannica

Thepchuay, Yanisa published the artcilePaper-based colorimetric biosensor of blood alcohol with in-situ headspace separation of ethanol from whole blood, Synthetic Route of 30931-67-0, the publication is Analytica Chimica Acta (2020), 115-121, database is CAplus and MEDLINE.

This work presents a novel development that exploits the concept of in-situ gas-separation together with a specific enzymic colorimetric detection to produce a portable biosensor called “Blood Alc. Micro-pad” for direct quantitation of ethanol in whole blood. The thin square device (25 mm × 25 mm × 1.8 mm) comprises two layers of patterned filter paper held together with a double-sided mounting tape with an 8-mm circular hole (the headspace). In operation, the reagent is deposited on one layer and covered with sticky tape. Then 8μL of a blood sample is dispensed onto the opposite layer and covered with sticky tape. Diffusion of ethanol across the 1.6 mm narrow headspace permits selective detection of ethanol by the enzymic reagents deposited on the opposite layer. This reagent zone contains alc. oxidase, horseradish peroxidase and 2′-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt, as the chromogenic reagent. The color intensity, measured from the recorded digital image, resulting from the enzymic assay of ethanol, correlates with the concentration of blood alc. The results obtained with spiked mice and sheep blood samples, using an external calibration in the range of 1-120 mg dL^-1ethanol, gave recoveries of 93.2-104.4% (n = 12). The “Blood Alc. Micro-pad” gave good precision with %RSD <1 (50 mg dL^-1 ethanol, n = 10) and limit of quantification (10SD of intercept/slope) of 11.56 mg dL^-1. The method was successfully validated against a headspace gas chromatog.-mass spectrometric method. It has good potential for development as a simple and convenient blood alc. sensor for on-site testing.

Analytica Chimica Acta published new progress about 30931-67-0. 30931-67-0 belongs to thiazole, auxiliary class Salt,Hydrazine,Amine,Benzothiazole, name is Ammonium 2,2′-(hydrazine-1,2-diylidene)bis(3-ethyl-2,3-dihydrobenzo[d]thiazole-6-sulfonate), and the molecular formula is C11H15NOS, Synthetic Route of 30931-67-0.

Referemce:
https://pubchem.ncbi.nlm.nih.gov/compound/thiazole,
Thiazole | chemical compound | Britannica

Mayr, Sebastian A. published the artcileOxidation of Various Kraft Lignins with a Bacterial Laccase Enzyme, Application In Synthesis of 30931-67-0, the publication is International Journal of Molecular Sciences (2021), 22(23), 13161, database is CAplus and MEDLINE.

Modification of kraft lignin (KL), traditionally uses harsh and energy-demanding phys. and chem. processes. In this study, the potential of the bacterial laccase CotA (spore coating protein A) for oxidation of KL under mild conditions was assessed. Thereby, the efficiency of CotA to oxidize both softwood and hardwood KL of varying purity at alk. conditions was examined For the resp. type of wood, the highest oxidation activity by CotA was determined for the medium ash content softwood KL (MA_S) and the medium ash content hardwood KL (MA_H), resp. By an up to 95% decrease in fluorescence and up to 65% in phenol content coupling of the structural lignin units was indicated. These results correlated with an increase in viscosity and mol. weight, which increased nearly 2 and 20-fold for MA_H and about 1.3 and 6.0-fold for MA_S, resp. Thus, this study confirms that the CotA laccase can oxidize a variety of KL at alk. conditions, while the origin and purity of KL were found to have a major impact on the efficiency of oxidation Under the herein tested conditions, it was observed that the MA_H KL showed the highest susceptibility to CotA oxidation when compared to the other hardwood KLs and the softwood KLs. Therefore, this could be a viable method to produce sustainable resins and adhesives.

International Journal of Molecular Sciences published new progress about 30931-67-0. 30931-67-0 belongs to thiazole, auxiliary class Salt,Hydrazine,Amine,Benzothiazole, name is Ammonium 2,2′-(hydrazine-1,2-diylidene)bis(3-ethyl-2,3-dihydrobenzo[d]thiazole-6-sulfonate), and the molecular formula is C18H24N6O6S4, Application In Synthesis of 30931-67-0.

Referemce:
https://pubchem.ncbi.nlm.nih.gov/compound/thiazole,
Thiazole | chemical compound | Britannica

Noman, Efaq published the artcileDecolourisation of dyes in greywater by mycoremediation and mycosorption process of fungi from peatland; primary study, Application In Synthesis of 30931-67-0, the publication is Materials Today: Proceedings (2020), 31(Part_1), 23-30, database is CAplus.

The current study investigated the potential of fungi from peatland for decolorizing dyes in the artificial greywater as a function of oxidative enzymes which included laccase (Lac), manganese peroxidase (MnP), lignin peroxidase (LiP). The fungal isolates were obtained from the peatland on potato dextrose agar (PDA) and purified using single spore technique. Remazol Brilliant Blue R (RBBR), Methylene blue (MB) and Congo red (CR) were used as models for detecting the applicability of the fungal enzyme to decolorizing the dyes. The screening of fungal isolates for the decolorisation of RBBR, MB and CR were investigated using plate assay and liquid-phase assays. The results revealed the fungal isolates varied in their ability to produce oxidative enzymes dependent on the production medium. However, the decolorisation of RBBR in the PD broth medium ranged from 17.96 to 44.89% after 7 days, while ranged from 55.98 to 99.99% in artificial greywater after 15 days of the incubation period. The fungal isolates exhibited also differences in the production of oxidative enzyme. The maximum production of Lac in artificial greywater was recorded by Cochliobolus sp. Number 403 while the highest production of MnP and LiP was noted by Trichoderma sp. Number 102, and Aspergillus sp. Number 506, resp. However, Aspergillus sp. Number 605 was used for further studies, because the fungus exhibited ability to produce Lac, MnP and LiP enzymes simultaneously. It can be concluded that the fungal isolates obtained from the peatland has a potential to decolorize the dyes in the artificial greywater.

Materials Today: Proceedings published new progress about 30931-67-0. 30931-67-0 belongs to thiazole, auxiliary class Salt,Hydrazine,Amine,Benzothiazole, name is Ammonium 2,2′-(hydrazine-1,2-diylidene)bis(3-ethyl-2,3-dihydrobenzo[d]thiazole-6-sulfonate), and the molecular formula is C18H24N6O6S4, Application In Synthesis of 30931-67-0.

Referemce:
https://pubchem.ncbi.nlm.nih.gov/compound/thiazole,
Thiazole | chemical compound | Britannica

Piechowiak, Tomasz published the artcileChanges in the activity of flavanone 3β-hydroxylase in blueberry fruit during storage in ozone-enriched atmosphere, Recommanded Product: Ammonium 2,2′-(hydrazine-1,2-diylidene)bis(3-ethyl-2,3-dihydrobenzo[d]thiazole-6-sulfonate), the publication is Journal of the Science of Food and Agriculture (2022), 102(3), 1300-1304, database is CAplus and MEDLINE.

The present study aimed to determine whether the ozonation process affects the flavonoid biosynthesis in highbush blueberry (Vaccinum corymbosum L.) fruit. Flavanone 3β-hydroxylase (F3H) was used as a marker of the flavonoid biosynthesis pathway. The activity of F3H, the expression of gene encoding F3H and the antioxidant status in blueberries treated with ozone at a concentration of 15 ppm for 30 min, every 12 h of storage, and maintained at 4°C for 4 wk were investigated. The results showed that ozonation process increases the expression of the F3H gene after 1 wk of storage, which translates into a higher catalytic capacity of protein, as well as a higher content of flavonoids and total antioxidant potential of ozonated blueberries compared to non-ozonated fruits. The present study provides exptl. evidence indicating that ozone treatment in proposed process conditions pos. affects flavonoid metabolism in highbush blueberry fruit leading to the maintainance of the high quality of the fruit during storage.

Journal of the Science of Food and Agriculture published new progress about 30931-67-0. 30931-67-0 belongs to thiazole, auxiliary class Salt,Hydrazine,Amine,Benzothiazole, name is Ammonium 2,2′-(hydrazine-1,2-diylidene)bis(3-ethyl-2,3-dihydrobenzo[d]thiazole-6-sulfonate), and the molecular formula is C18H24N6O6S4, Recommanded Product: Ammonium 2,2′-(hydrazine-1,2-diylidene)bis(3-ethyl-2,3-dihydrobenzo[d]thiazole-6-sulfonate).

Referemce:
https://pubchem.ncbi.nlm.nih.gov/compound/thiazole,
Thiazole | chemical compound | Britannica

Stoffel, Fernanda published the artcileProduction of edible mycoprotein using agroindustrial wastes: Influence on nutritional, chemical and biological properties, COA of Formula: C18H24N6O6S4, the publication is Innovative Food Science & Emerging Technologies (2019), 102227, database is CAplus.

The production of Agaricus blazei, Auricularia fuscosuccinea and Pleurotus albidus mycoproteins in brewer-spent grain and grape bagasse by solid-state cultivation was studied, including an investigation of their nutritional value and biol. activity. The production of P. albidus mycoprotein in brewer-spent grain resulted in the highest values of protein (22.6 g.100 g^-1), total amino acids (78.54 mg.g^-1), ergosterol (0.39 ± 0.01 mg.g^-1) and mycelial biomass (125.60 ± 3.30 mg.g^-1). The A. fuscosuccinea mycoprotein in brewer-spent grain resulted in the highest value of total phenolics (3.80 mg EAG/g) and higher antioxidant activity. Using grape bagasse, the P. albidus mycoprotein increased 23.9% proteins, reduced 15.5% and 77% total fats and phenolics, resp. Anti-hyperglycemic activity, assessed by α-glycosidase inhibition in vitro, was observed in the P. albidus and A. blazei mycoproteins produced in brewer-spent grain (inhibition of α-glycosidase >98%). Mycoproteins produced in brewer-spent grain and grape bagasse could be a strategy to increase the nutritional value and biol. activity of these agroindustrial residues.

Innovative Food Science & Emerging Technologies published new progress about 30931-67-0. 30931-67-0 belongs to thiazole, auxiliary class Salt,Hydrazine,Amine,Benzothiazole, name is Ammonium 2,2′-(hydrazine-1,2-diylidene)bis(3-ethyl-2,3-dihydrobenzo[d]thiazole-6-sulfonate), and the molecular formula is C12H14BNO2, COA of Formula: C18H24N6O6S4.

Referemce:
https://pubchem.ncbi.nlm.nih.gov/compound/thiazole,
Thiazole | chemical compound | Britannica

Marquez, Augusto published the artcileNanoporous silk films with capillary action and size-exclusion capacity for sensitive glucose determination in whole blood, Recommanded Product: Ammonium 2,2′-(hydrazine-1,2-diylidene)bis(3-ethyl-2,3-dihydrobenzo[d]thiazole-6-sulfonate), the publication is Lab on a Chip (2021), 21(3), 608-615, database is CAplus and MEDLINE.

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.

Lab on a Chip published new progress about 30931-67-0. 30931-67-0 belongs to thiazole, auxiliary class Salt,Hydrazine,Amine,Benzothiazole, name is Ammonium 2,2′-(hydrazine-1,2-diylidene)bis(3-ethyl-2,3-dihydrobenzo[d]thiazole-6-sulfonate), and the molecular formula is C18H24N6O6S4, Recommanded Product: Ammonium 2,2′-(hydrazine-1,2-diylidene)bis(3-ethyl-2,3-dihydrobenzo[d]thiazole-6-sulfonate).

Referemce:
https://pubchem.ncbi.nlm.nih.gov/compound/thiazole,
Thiazole | chemical compound | Britannica

Lesnichaya, M. V. published the artcileSynthesis of selenium-containing galactomannan-stabilized nanocomposites with particle size-sensitive antiradical activity, Safety of Ammonium 2,2′-(hydrazine-1,2-diylidene)bis(3-ethyl-2,3-dihydrobenzo[d]thiazole-6-sulfonate), the publication is Russian Chemical Bulletin (2020), 69(10), 1979-1986, database is CAplus.

Water-soluble hybrid nanocomposites were synthesized for the first time with the use of industrial crystalline selenium (gray powder selenium) activated in a hydrazine hydrate-alkali base-recovery system. The obtained nanocomposites consist of the selenium nanoparticles 13.0-24.0 nm in size stabilized by biocompatible natural polysaccharide galactomannan. The structures of the nanocomposites were characterized by a complex of physicochem. methods (X-ray diffraction anal., transmission electron microscopy, and IR spectroscopy). The pronounced antioxidant activity of the prepared nanocomposites against free radicals of 2,2-diphenyl-1-picrylhydrazyl and 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt was found, and its value correlates with the particle size of selenium.

Russian Chemical Bulletin published new progress about 30931-67-0. 30931-67-0 belongs to thiazole, auxiliary class Salt,Hydrazine,Amine,Benzothiazole, name is Ammonium 2,2′-(hydrazine-1,2-diylidene)bis(3-ethyl-2,3-dihydrobenzo[d]thiazole-6-sulfonate), and the molecular formula is C18H24N6O6S4, Safety of Ammonium 2,2′-(hydrazine-1,2-diylidene)bis(3-ethyl-2,3-dihydrobenzo[d]thiazole-6-sulfonate).

Referemce:
https://pubchem.ncbi.nlm.nih.gov/compound/thiazole,
Thiazole | chemical compound | Britannica

Ikhtiarini, Asefin Nurul published the artcileOptimization of ultrasound-assisted extraction and the antioxidant activities of Sidaguri (Sida rhombifolia), Synthetic Route of 30931-67-0, the publication is Journal of Applied Pharmaceutical Science (2021), 11(8), 070-076, database is CAplus.

Sidaguri (Sida rhombifolia) is widely distributed in tropical and subtropical regions and has been reported to possess many bioactive compounds that are beneficial for human health, including polyphenolics having antioxidant activities. The objective of this study was (1) to optimize ultrasound-assisted extraction (UAE) of Sidaguri and (2) to evaluate antioxidant activities of extracts resulting from the optimized condition using radical scavenging assay of 2,2′-diphenil-1-picrylhydrazyl (DPPH) and 2,2′-azinobis-3-ethylbenzothiazoline-6-sulfonic acid. The optimum UAE conditions obtained were solvent to solid ratio of 26:1, temperature of extraction of 45.45°C, methanol concentration of 42%, power of sonication of 86%, and time of extraction of 5 min. Sidaguri obtained from locations of Kretek and Ngemplak had the highest radical scavenging activity accounting for 83.69% ± 0.30% and 82.95% ± 0.49%, resp.

Journal of Applied Pharmaceutical Science published new progress about 30931-67-0. 30931-67-0 belongs to thiazole, auxiliary class Salt,Hydrazine,Amine,Benzothiazole, name is Ammonium 2,2′-(hydrazine-1,2-diylidene)bis(3-ethyl-2,3-dihydrobenzo[d]thiazole-6-sulfonate), and the molecular formula is C18H24N6O6S4, Synthetic Route of 30931-67-0.

Referemce:
https://pubchem.ncbi.nlm.nih.gov/compound/thiazole,
Thiazole | chemical compound | Britannica