Category: 140-11-4

Cabanes, A. published the artcileNew methods to remove volatile organic compounds from post-consumer plastic waste, Recommanded Product: Benzyl acetate, the main research area is volatile organic compound plastic waste hot air stripping extraction; Contaminant; Deodorization; NIA; Odor; Polyethylene; Smell.

While the annual European demand for polyolefins is 25 million tonnes, only 3 million tonnes of recycled polyolefins find their place in the market, despite collecting 15 million tonnes of post-consumer polyolefins every year. Brand owners of care products are showing their interest in using post-consumer recycled plastics for their packaging. However, there is a general concern in using these materials, as recycled polymers can contain unwanted substances that may expose the consumer to health risks or make the packaging unattractive. Accordingly, the presence of these contaminants narrows the market opportunity of recycled plastics to applications with low-quality requirements and in which the product is not in direct contact with the consumer. Though mech. recycling is the most widespread solution presents limitations in terms of decontamination, as only superficial substances are removed. Thereby, the volatile organic compounds (VOCs) migrated to the polymer matrix remain inside. Consequently, there is a need to find a solution to purify recycled plastics and increase their market share. This study focuses on removing VOCs from post-consumer recycled HDPE through two innovative methods applied for the first time in this field, steam stripping and polyethylene glycol (PEG) extraction The methodol. implemented to analyze the volatile organic compounds in HDPE was HS-SPME-GC/MS. Both methods showed a decrease above 70% in the VOCs content compared to extrusion-degassing. Moreover, these were compared to hot air stripping, a new technol. developed at an industrial scale for the removal of VOCs. As a result, steam stripping improved efficiency in reducing the overall VOCs compared to hot air stripping. The PEG extraction method lowered the volatile polar compounds further than using hot air stripping. Addnl., none of these technologies modified the HDPE melting flow index.

Science of the Total Environment published new progress about Biodegradability. 140-11-4 belongs to class esters-buliding-blocks, name is Benzyl acetate, and the molecular formula is C9H10O2, Recommanded Product: Benzyl acetate.

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

Hesami, Sadra published the artcileSynthesis and characterization of chitosan nanoparticles loaded with greater celandine (Chelidonium majus L.) essential oil as an anticancer agent on MCF-7 cell line, Safety of Benzyl acetate, the main research area is chitosan nanoparticle Chelidonium majus essential oil nticancer agent; Apoptosis; Breast cancer; Chelidonium majus L.; Chitosan nanoparticles; Encapsulation.

Essential oils (EOs) of greater celandine (GC) roots and leaves were extracted, and gas chromatog.-mass spectrometry (GC-MS) was used for analyzing them. Then they were loaded into chitosan nanoparticles (CNPs) using emulsion-ionic gelation method. CNPs loaded with greater celandine root essential oil (GCREO) and leave essential oil (GCLEO) were synthesized (size 76.5-115.3 nm) using an emulsion-ionic gelation method. Fourier Transform IR (FT-IR), spectroscopy, scanning electron microscope (SEM), and dynamic light scattering (DLS) were used for characterization of the formed NPs. Good encapsulation efficiency was confirmed for GCREO (62.5%) and GCLEO (69.1%) in CNPs. According to the MTT results, the synthesized NPs showed a dose-dependent effect on MCF-7 cell line. The inhibitory concentration (IC50) values for GCREO, GCLEO, CSNRs-GCREO and CNPs-GCLEO samples were 126.4, 90.2, 77.6, and 41.5 μg/mL, resp. The highest rate of apoptosis was obtained in the CNPs-GCLEO group (63.73%). The results revealed that the cytotoxicity of CSNRs-GCREO and CNPs-GCLEO against MCF-7 cell line was significantly higher than that of their free form, implying that encapsulation of GCREO and GCLEO in CNPs is an efficient technique for improving their anti-cancer activity against MCF-7 cell line.

International Journal of Biological Macromolecules published new progress about Antitumor agents. 140-11-4 belongs to class esters-buliding-blocks, name is Benzyl acetate, and the molecular formula is C9H10O2, Safety of Benzyl acetate.

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

Minebois, Romain published the artcileA time course metabolism comparison among Saccharomyces cerevisiae, S. uvarum and S. kudriavzevii species in wine fermentation, Computed Properties of 140-11-4, the main research area is Saccharomyces wine fermentation time course metabolism redox homeostasis; Central carbon metabolism; Nitrogen metabolism; Redox balance; S. kudriavzevii; S. uvarum; Wine fermentation.

In this study, we presented the first metabolome time course anal. performed among a set of S. uvarum, S. kudriavzevii and S. cerevisiae strains under winemaking conditions. Extracellular and intracellular metabolites, as well as physiol. parameters of yeast cells, were monitored along the process to find evidence of different metabolic strategies among species to perform alc. fermentation A thorough inspection of time trends revealed several differences in utilization or accumulation of fermentation byproducts. We confirmed the ability of S. uvarum and S. kudriavzevii strains to produce higher amounts of glycerol, succinate or some fusel alcs. and their corresponding esters. We also reported differences in the yields of less common fermentative byproducts involved in redox homeostasis, namely 2,3 butanediol and erythritol. 2,3 butanediol yield was higher in must ferment with cryophilic strains and erythritol, a pentose phosphate pathway derivative, was particularly overproduced by S. uvarum strains. Contrary to S. cerevisiae, a singular production-consumption rate of acetate was also observed in S. uvarum and S. kudriavzevii fermentations Since acetate is a precursor for acetyl-CoA production which is involved in the biosynthesis of membrane lipids, cryophilc strains might take advantage of extracellular acetate to remodel cell membrane as ethanol content increased during fermentation

Food Microbiology published new progress about Growth, microbial. 140-11-4 belongs to class esters-buliding-blocks, name is Benzyl acetate, and the molecular formula is C9H10O2, Computed Properties of 140-11-4.

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

Park, Kye Chung published the artcileOlfactory Receptor Neurons for Plant Volatiles and Pheromone Compounds in the Lucerne Weevil, Sitona discoideus, SDS of cas: 140-11-4, the main research area is olfactory receptor neuron plant volatile pheromone compound Sitona; 4-methyl-3,5- heptanedione; 5-hydroxy-4-methyl-3-heptanone; Host-plant volatiles; Olfactory sensilla; Pheromone; Single-sensillum recording.

Abstract: Antennal olfactory receptor neurons (ORNs) for pheromone-related and plant volatile compounds were identified and characterized in the lucerne weevil, Sitona discoideus (Gyllenhal), using the single sensillum recording technique. Our study using five pheromone-related compounds and 42 plant volatile compounds indicates that S. discoideus have highly specialized ORNs for pheromone and plant volatile compounds Different groups of ORNs present in both males and females of S. discoideus were highly sensitive to 4-methylheptane-3,5-dione (diketone) and four isomers (RR, RS, SR and SS) of 5-hydroxy-4-methylheptan-3-one, resp. Our results also indicate that male S. discoideus, using the sensory input from antennal ORNs, can distinguish both diketone and the RR-isomer from others, and RS- and SS-isomers from others, although it was unclear if they can distinguish between RS-isomer and SS-isomer, or between diketone and the SR-isomer. It also appeared that female S. discoideus could distinguish between RS-isomer and SS-isomers. The antennae of S. discoideus thus contain sex-specific sets of ORNs for host- and non-host plant volatile compounds Both sexes of S. discoideus have highly sensitive and selective ORNs for some green-leaf volatiles, such as (Z)-3-hexenol and (E)-2-hexenal. In contrast, male antennae of S. discoideus house three distinct groups of ORNs specialized for myrcene and (E)-β-ocimene, 2-phenylethanol, and phenylacetaldehyde, resp., whereas female antennae contain three groups of ORNs specialized for (±)-linalool and (±)-α-terpineol, myrcene and (E)-β-ocimene, (±)-1-octen-3-ol, and 3-octanone. Our results suggest that S. discoideus use a multi-component pheromone communication system, and a sex-specific set of ORNs with a narrow range of response spectra for host-plant location.

Journal of Chemical Ecology published new progress about Action potential. 140-11-4 belongs to class esters-buliding-blocks, name is Benzyl acetate, and the molecular formula is C9H10O2, SDS of cas: 140-11-4.

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

Ligor, Tomasz published the artcileAnalysis of VOCs in Urine Samples Directed towards of Bladder Cancer Detection, Name: Benzyl acetate, the main research area is bladder cancer volatile organic compound urine analysis; GC×GC TOF MS; bladder cancer; urine analyses; volatile organic compounds.

Bladder cancer is one of most common types of cancer diagnosed in the genitourinary tract. Typical tests are costly and characterized by low sensitivity, which contributes to a growing interest in volatile biomarkers. Head space solid phase microextraction (SPME) was applied for the extraction of volatile organic compounds from urine samples, and gas chromatog. time of flight mass spectrometry (GCxGC TOF MS) was used for the separation and detection of urinary volatiles. A cohort of 40 adult patients with bladder cancer and 57 healthy persons was recruited. Different VOC profiles were obtained for urine samples taken from each group. Twelve compounds were found only in the samples from theBC group.The proposed candidate biomarkers are butyrolactone; 2-methoxyphenol; 3-methoxy-5-methylphenol; 1-(2,6,6-trimethylcyclohexa-1,3-dien-1-yl)-2-buten-1-one; nootkatone and 1-(2,6,6-trimethyl-1-cyclohexenyl)-2-buten-1-one.Since most of the studies published in the field are proving the potential of VOCs detected in urine samples for the screening and discrimination of patients with bladder cancer from healthy, but rarely presenting the identity of proposed biomarkers, our study represents a novel approach.

Molecules published new progress about Adult, mammalian. 140-11-4 belongs to class esters-buliding-blocks, name is Benzyl acetate, and the molecular formula is C9H10O2, Name: Benzyl acetate.

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

Toth, M. published the artcileImproving bisexual lures for the silver Y moth Autographa gamma L. and related plusiinae (Lepidoptera: Noctuidae), Application of Benzyl acetate, the main research area is Autographa Noctuidae bisexual eugenol.

The addition of synthetic eugenol and benzyl acetate to the known floral chem. and moth attractant phenylacetaldehyde synergized attraction of the silver Y moth Autographa gamma, an important noctuid pest. Traps baited with the ternary blend caught 2 to 6 times more A. gamma moths than traps baited with phenylacetaldehyde alone. Both female and male moths were attracted, supposedly in the natural sex ratio of the local population. More A. gamma were caught when the blend was formulated in dispenser types with higher release rates. Traps baited with the ternary lure in polyethylene bag dispensers caught 20% to 34% as many moths as were caught in traps baited with synthetic sex pheromone, suggesting that this improved bisexual lure could be efficient enough to yield a new tool for detection and monitoring of female and male A. gamma, for more reliable plant protection decisions.

Acta Phytopathologica et Entomologica Hungarica published new progress about Amathes c-nigrum. 140-11-4 belongs to class esters-buliding-blocks, name is Benzyl acetate, and the molecular formula is C9H10O2, Application of Benzyl acetate.

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

Godehard, Simon P. published the artcileProtein Engineering for Enhanced Acyltransferase Activity, Substrate Scope, and Selectivity of the Mycobacterium smegmatis Acyltransferase MsAcT, Safety of Benzyl acetate, the main research area is Mycobacterium acyltransferase protein engineering.

The highly efficient and versatile acyltransferase MsAcT from Mycobacterium smegmatis catalyzes aqueous acyl transfer reactions, enabling applications in environmentally friendly processes and enzyme cascades. We rationally designed several variants with up to 30-fold increased acyl transfer to hydrolysis ratios while mostly retaining initial activity. Variants exhibiting broader acyl-donor substrate scope and higher or inverted enantioselectivity were also designed. Alterations of the catalytic His-Asp pair decreased the activation of hydrolytic water, thereby increasing acyl transfer to hydrolysis ratios. This study demonstrates that targeting the disruption of water networks and manipulating the activation of nucleophiles are promising strategies for engineering promiscuous acyltransferase activities.

ACS Catalysis published new progress about Crystal structure. 140-11-4 belongs to class esters-buliding-blocks, name is Benzyl acetate, and the molecular formula is C9H10O2, Safety of Benzyl acetate.

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

Lunn, Richard D. J. published the artcileEncapsulation of Aromatic Compounds and a Non-Aromatic Herbicide into a Gadolinium-Based Metal-Organic Framework via the Crystalline Sponge Method, SDS of cas: 140-11-4, the main research area is encapsulation aromatic compound herbicide gadolinium MOF RUM2 crystalline sponge.

The crystalline sponge method (CSM) is a procedure that has the potential to remove the need to have good-quality single crystals of the target compound by soaking said compound into a crystalline metal-organic framework (MOF). To increase the range of compounds that can be employed with the CSM, a range of different MOFs must be investigated. In this study we have explored the use of a lanthanide-based MOF, RUM-2, recently shown to have potential as a CSM host. Specifically, we have successfully formed five novel inclusion complexes with the four aromatic guests: 2-phenylethanol, benzyl acetate, benzyl benzoate, and vanillin and the non-aromatic herbicide molinate. A detailed anal. of the effect of size on the positions guest mols. sit within the pores of the MOF was performed. The π···π, CH···π, hydrogen-bonding, and coordination host-guest and guest-guest interactions utilized in guest ordering were also investigated, and the disorder experienced by guest mols. was documented. Here we report five novel inclusion complexes within the crystalline sponge RUM-2, including the first com. herbicide to have its structure elucidated by the crystalline sponge method, molinate. A detailed investigation was performed into the effect of guest size on the position the guests sit within the MOF pores and the different intermol. interactions used for guest ordering.

Crystal Growth & Design published new progress about Crystal structure. 140-11-4 belongs to class esters-buliding-blocks, name is Benzyl acetate, and the molecular formula is C9H10O2, SDS of cas: 140-11-4.

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

Malpani, Sakshi Kabra published the artcileA Greener Route for Synthesis of Fly Ash Supported Heterogeneous Acid Catalyst, Application of Benzyl acetate, the main research area is fly ash esterification Friedel Crafts alkylation structural thermal property.

Fly ash, a solid byproduct obtained from coal-fired thermal power plants, is basically a silico-aluminate material having varying minor amounts of other metal oxides. For suitable bulk utilization of this solid waste, a novel kind of solid acid catalyst has been successfully synthesized by employing microwave assisted greener route. For enhancing the efficacy, amorphous silica was extracted from fly ash in a cost-effective manner which was further chem. activated with H2SO4. Various anal. techniques were utilized to study physico-chem. properties of the as-prepared catalyst, while the catalytic activity was tested by a serious of microwave assisted esterification and Friedel-Crafts alkylation reactions under optimized reaction conditions. Higher yield of products attributes to the presence of significant number of Bronsted acidic sites on catalyst, also proved by Pyridine adsorbed FT-IR spectrum of catalyst. The catalyst was recovered and reused up to five reaction cycles with similar competence as in first run which deliberates its stability during the course of reaction.

Materials Today: Proceedings published new progress about Crystal structure. 140-11-4 belongs to class esters-buliding-blocks, name is Benzyl acetate, and the molecular formula is C9H10O2, Application of Benzyl acetate.

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

Liao, Xueli published the artcileIdentification of key odorants responsible for cooked corn-like aroma of green teas made by tea cultivar Zhonghuang 1, Synthetic Route of 140-11-4, the main research area is Camellia green tea cooked corn aroma odorant responsible; Aroma recombination; Cooked corn-like aroma green tea; Dimethyl sulfide; GC-O; OAV; S-methylmethionine; Zhonghuang 1.

Fangping green tea (FPGT) produced by Zhonghuang 1 (C. sinensis var. sinensis cv. Zhonghuang 1), a new tea variety, has a classical cooked corn-like aroma, which is completely different from the green tea aroma. In order to illustrate the aroma characteristics of the green tea, the volatiles of FPGT was analyzed with gas chromatog.-mass spectrometry (GC-MS) and gas chromatog.-olfactometry (GC-O). The results showed that odor activity value (OAV) of di-Me sulfide (DMS) was 1195.21 and the odor intensity about DMS was 6.2 in FPGT. Aroma recombination experiment also confirmed the important contribution of DMS to cooked corn-like aroma. Aroma character impact (ACI) values of DMS in tea processed by Zhonghuang 1 and Fudingdabai were 72.01% and 37.86%, resp. This indicated that the high proportion of DMS was the dominant character of green tea with cooked corn-like aroma. In addition, the S-methylmethionine (SMM) content in fresh leaves of Zhonghuang 1 (0.21 mg/g) was significantly higher than that of Fudingdabai (0.16 mg/g), which was an important reason for high DMS content.

Food Research International published new progress about Camellia sinensis. 140-11-4 belongs to class esters-buliding-blocks, name is Benzyl acetate, and the molecular formula is C9H10O2, Synthetic Route of 140-11-4.

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