Month: March 2021

Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 2516-33-8, Name is Cyclopropylmethanol, molecular formula is C4H8O. In an article, author is Morojele, Neo K.,once mentioned of 2516-33-8, Product Details of 2516-33-8.

Alcohol consumption, harms and policy developments in sub-Saharan Africa: The case for stronger national and regional responses

Issues Sub-Saharan Africa (SSA) has long been characterised as a region with weak alcohol policies, high proportions of abstainers and heavy episodic drinkers (among drinkers), and as a target for market expansion by global alcohol producers. However, inter-regional analyses of these issues are seldom conducted. Approach Focusing mainly on the period 2000-2016, we compare alcohol consumption and harms, alcohol policy developments and alcohol industry activities over time and across the four sub-regions of SSA. Key Findings Per-capita consumption of alcohol and alcohol-related disease burden have increased in Central Africa but stabilised or reduced in other regions, although they are still high. Most countries have implemented tax policies, but they have seldom adopted other World Health Organization ‘best buys’ for cost-effective alcohol control policies. Countries range from having minimal alcohol controls to having total bans (e.g. some Muslim-majority countries); and some, such as Botswana, have attempted stringent tax policies to address alcohol harm. Alcohol producers have continued their aggressive marketing and policy interference activities, some of which have been highlighted and, in a few instances, resisted by civil society and public health advocates, particularly in southern Africa. Implications Increased government support and commitment are needed to be able to adopt and implement effective alcohol policies and respond to pressures from alcohol companies to which SSA remains a target market. Conclusion SSA needs effective alcohol control measures in order to reverse the trajectory of worsening alcohol harms observed in some countries and reinforce improvements in alcohol harms observed in others.

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One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, such as the rate of change in the concentration of reactants or products with time. 623-50-7, Name is Ethyl 2-hydroxyacetate, formurla is C4H8O3. In a document, author is Huang, Chuangsheng, introducing its new discovery. Product Details of 623-50-7.

Simultaneous nitrogen-blow distillation extraction: A novel approach for aroma extraction of white tea

In the present work, a simple and efficient method for distillation and simultaneous extraction of essential oils from white tea, called simultaneous nitrogen-blow distillation extraction (SNDE), was developed using nitrogen-blow extraction equipment. The effect of SNDE on compounds and characteristic of white tea extract were investigated in comparison with simultaneous distillation and extraction (SDE), and the extraction conditions of SNDE were optimized by response surface methodology (RSM). Volatile compounds of white teas were extracted using SNDE and SDE, and analyzed with gas-chromatography-mass spectrometry (GC-MS). Quantitative descriptive analysis of white tea extract aroma showed that in SNDE, sweet, roasted and woody aroma were significantly declined compared with SDE; whereas grassy green and pekoe aroma were more similar to the sensory profile based on sensory evaluation method. Aroma metabolites analysis showed that alcohols, aldehydes, ketones, esters, heterocyclics and alkanes exhibited significant variations. The present work demonstrated that SNDE is an effective tool for the extraction and analysis of white tea volatile, which could truly reflect the quality characteristics of sensory aroma.

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Chemistry, like all the natural sciences, begins with the direct observation of nature¡ª in this case, of matter.2516-33-8, Name is Cyclopropylmethanol, SMILES is OCC1CC1, belongs to alcohols-buliding-blocks compound. In a document, author is Lewis, Ben, introduce the new discover, COA of Formula: C4H8O.

The impact of emotional face stimuli on working memory performance among men and women with alcohol use disorder

Background: Individuals with alcohol use disorder (AUD) often display compromise in emotional processing and non-affective neurocognitive functions. However, relatively little empirical work explores their intersection. In this study, we examined working memory performance when attending to and ignoring facial stimuli among adults with and without AUD. We anticipated poorer performance in the AUD group, particularly when task demands involved ignoring facial stimuli. Whether this relationship was moderated by facial emotion or participant sex were explored as empirical questions. Methods: Fifty-six controls (30 women) and 56 treatment-seekers with AUD (14 women) completed task conditions in which performance was advantaged by either attending to or ignoring facial stimuli, including happy, neutral, or fearful faces. Group, sex, and their interaction were independent factors in all models. Efficiency (accuracy/response time) was the primary outcome of interest. Results: An interaction between group and condition (F-1,F-107 = 6.03, p < .02) was detected. Individual comparisons suggested this interaction was driven by AUD-associated performance deficits when ignoring faces, whereas performance was equivalent between groups when faces were attended. Secondary analyses suggested little influence of specific facial emotions on these effects. Conclusions: These data provide partial support for initial hypotheses, with the AUD group demonstrating poorer working memory performance conditioned on the inability to ignore irrelevant emotional face stimuli. The absence of group differences when scenes were to be ignored (faces remembered) suggests the AUD-associated inability to ignore irrelevance is influenced by specific stimulus qualities. The proportionality constant is the rate constant for the particular unimolecular reaction. the reaction rate is directly proportional to the concentration of the reactant. I hope my blog about 2516-33-8 is helpful to your research. COA of Formula: C4H8O.

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Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. , COA of Formula: C10H22O2, 112-47-0, Name is 1,10-Decanediol, molecular formula is C10H22O2, belongs to alcohols-buliding-blocks compound. In a document, author is Geng, Xiaoye, introduce the new discover.

Influences of PVA modification on performance of microencapsulated reversible thermochromic phase change materials for energy storage application

The aim of the paper was to enhance the mechanical properties and anti-permeability performance of microcapsules through shell modification to keep complete and stable structure during the manufacturing process. The effect of PVA adding dosage, modified methods and types of PVA on the performance of microcapsules was discussed in detail. When the PVA/MF ratio (0.04-0.25) was appropriate, the supercooling degree of microcapsules was reduced and thermal stability was improved to some extent. Furthermore, the modified method of adding PVA-1788 into microcapsules after curing probably formed the second protective encapsulation for RTPCMs, which contributed to obtaining MicroRTPCMs-2 with excellent mechanical properties and anti-permeability performance. Compared among the effects of various types of PVA modification on the performance of MicroRTPCMs, PVA with larger polymerization degree and higher alcoholysis degree can form modified resin with larger crosslinking degree, which was beneficial to generating more stable composite shell structure. Therefore, MicroRTPCMs1-2699 presented more outstanding mechanical properties and anti-permeability performance, satisfactory cycle stability and long-term reliability, as well as reversible thermochromic coloration and leakage-prevention performance. In the end, the main characteristic of RTPCMs was to in-situ observe the heat absorption, energy storage and heat release process of PCM cores, which would be great significance for the practical application of MicroRTPCMs in the fields of thermoregulated fibers, thermal energy storage textiles, heat energy transfers and energy-saving building materials.

A reaction mechanism is the microscopic path by which reactants are transformed into products. Each step is an elementary reaction. In my other articles, you can also check out more blogs about 112-47-0. COA of Formula: C10H22O2.

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Chemistry, like all the natural sciences, Computed Properties of C20H40O, begins with the direct observation of nature¡ª in this case, of matter.7541-49-3, Name is 3,7,11,15-Tetramethylhexadec-2-en-1-ol, SMILES is CC(C)CCCC(C)CCCC(C)CCC/C(C)=C/CO, belongs to alcohols-buliding-blocks compound. In a document, author is Zhang, Xianhui, introduce the new discover.

Liquefaction of biomass by plasma electrolysis in alkaline condition

We investigated the discharge characteristics, parameters, water content, and mechanism of liquefying biomass by plasma electrolysis under alkaline conditions. Compared with the liquefaction of sawdust under acidic conditions, the discharge changed from corona to spark discharge, the liquefaction time was a little longer (8 min), and the pondus Hydrogenii (pH) of the bio-oil was 7.54 under sodium hydroxide catalyst. We identified the optimal parameters for sawdust liquefaction by sodium hydroxide, sodium carbonate, and sodium bicarbonate using a single factor method and found that the optimal parameters for sodium hydroxide and carbonate were quite different, apparently because they have different liquefaction mechanisms. When the water content increased, the liquefaction rate remained constant, so the water content prolonged the treatment time but did not affect the liquefaction rate or product quality. To analyze the universality of liquefied cellulose biomass under alkaline conditions, corn cob, rice straw, and cotton were liquefied separately. We found that the liquefaction time increased significantly with an increase in cellulose content. Notably, plasma electrolytic liquefaction efficiently heated the solution and effectively catalyzed the liquefaction of biomass with high energy efficiency, making this a promising biomass conversion technology. (C) 2020 Elsevier Ltd. All rights reserved.

Note that a catalyst decreases the activation energy for both the forward and the reverse reactions and hence accelerates both the forward and the reverse reactions. you can also check out more blogs about 7541-49-3. Computed Properties of C20H40O.

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In an article, author is Zhang, Xinhui, once mentioned the application of 112-47-0, SDS of cas: 112-47-0, Name is 1,10-Decanediol, molecular formula is C10H22O2, molecular weight is 174.2805, MDL number is MFCD00004749, category is alcohols-buliding-blocks. Now introduce a scientific discovery about this category.

Preparation and characterization of gellan gum-chitosan polyelectrolyte complex films with the incorporation of thyme essential oil nanoemulsion

Antimicrobial food packaging with a sustained release of antimicrobial agents plays a key role in maintaining food quality and food safety. In this study, polyelectrolyte gellan gum (GG)-chitosan (CS) multilayer film was fabricated by layer-by-layer assembly technology with the incorporation of thyme essential oil (TEO) coarse emulsion (TEOC) or nanoemulsion (TEON). The microstructure of GG-CS three-layered film was observed by scanning electron microscopy (SEM). The red fluorescent signals in confocal laser scanning microscopy (CLSM) images indicated smaller droplets and more uniform distribution of TEON prepared by ultrasonic treatments, which was consistent with the particle size results and porous structure in SEM images. The film incorporated with 6% TEON exhibited higher antimicrobial activity than that with 6% TEOC, and it significantly reduced E. coli populations in liquid model system. Moreover, films incorporated with TEON showed improved mechanical flexibility (elongation at break) and UV blocking property in comparison to TEOC. This developed GGCS three-layered film loading with TEON was expected to be a potential antimicrobial material with sustained release property for food packaging applications.

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Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. , Name: 2-Propoxyethanol, 2807-30-9, Name is 2-Propoxyethanol, molecular formula is C5H12O2, belongs to alcohols-buliding-blocks compound. In a document, author is Roche, Ann, introduce the new discover.

Older workers in the alcohol and other drug sector: Predictors of workforce retention

Objective Older workers are increasingly prevalent in health and human services, including the alcohol and other drug (AOD) sector. Their turnover intentions have important implications for service system stability and retention. Methods Descriptive and regression analyses of survey data examined age-related differences (<50, >= 50 years old) in non-government workers’ demographic, health and professional profiles and predictors of turnover intention. Results Older workers (>= 50 years, n = 86) comprised one-third of this workforce. Compared to younger workers (n = 164), they experienced greater discrimination but higher work-life balance and work engagement. Turnover intention was predicted by job satisfaction, discrimination and work engagement. Conclusion Older workers’ well-being and workforce retention are essential for effective leadership, succession planning and service continuity. Their needs and retention motivations are identified. Age-specific support mechanisms, proactive retention and anti-discrimination strategies are identified priorities.

A reaction mechanism is the microscopic path by which reactants are transformed into products. Each step is an elementary reaction. In my other articles, you can also check out more blogs about 2807-30-9. Name: 2-Propoxyethanol.

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Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds. 927-74-2, Name is 3-Butyn-1-ol, molecular formula is C4H6O, belongs to alcohols-buliding-blocks compound, is a common compound. In a patnet, author is Dong, Mengxian, once mentioned the new application about 927-74-2, Application In Synthesis of 3-Butyn-1-ol.

Highly enantioselective transfer hydrogenation catalyzed by diasteromeric mixtures of axially chiral (aR,S)- and (aS,S)-Biscarbolines

The mixtures of axially chiral (aR,S)- and (aS,S)-biscarboline alcohols were firstly used as catalysts in enantioselective 1,2- and 1,4-transfer hydrogenations of ketimines and beta-enamino esters, respectively. This mixed axially chiral catalysts exhibited excellent enantioselectivity (up to 98%ee) in the transfer hydrogenations under mild reaction conditions. (C) 2021 Elsevier Ltd. All rights reserved.

We¡¯ll also look at important developments in the pharmaceutical industry because understanding organic chemistry is important in understanding health, medicine, 927-74-2. The above is the message from the blog manager. Application In Synthesis of 3-Butyn-1-ol.

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Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. 1562-00-1, Name is Sodium isethionate, molecular formula is C2H5NaO4S, belongs to alcohols-buliding-blocks compound. In a document, author is Vakhrushev, Alexander Yu., introduce the new discover, Name: Sodium isethionate.

TiO2 and TiO2/Ag nanofibers: template synthesis, structure, and photocatalytic properties

A fairly simple method for the synthesis of TiO2 and TiO2/Ag fibers containing the anatase-rutile-silver heterojunction with a combination of features attractive for photocatalysis is presented.TiO2 and TiO2/Ag fibers were synthesized by impregnating a cellulose template with alcohol solutions of titanium(IV) tetrabutoxide and silver nitrate, followed by annealing at 500-950 degrees C. The microstructure of the fibers was analyzed by X-ray diffraction, scanning electronic microscopy, high-resolution transmission electronic microscopy and IR Fourier spectroscopy. The thermal decomposition of silver nitrate results in the formation of silver particles (19 +/- 3 nm), does not affect the crystallite size of anatase (19 +/- 3 nm) and rutile (23 +/- 3 nm), and promotes rutilization of TiO2. The photocatalytic activities of the obtained TiO2/Ag fibers were investigated by evaluating the phenol degradation under visible light irradiation. The highest catalytic activity was shown by mixed-phase samples consisting of 40% rutile and 60% anatase.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law. In my other articles, you can also check out more blogs about 1562-00-1. Name: Sodium isethionate.

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Electric Literature of 104-38-1, Catalysts allow a reaction to proceed via a pathway that has a lower activation energy than the uncatalyzed reaction. 104-38-1, Name is 1,4-Bis(2-hydroxyethoxy)benzene, SMILES is OCCOC1=CC=C(OCCO)C=C1, belongs to alcohols-buliding-blocks compound. In a article, author is Potier, Louis, introduce new discover of the category.

Stay-at-Home Orders During the COVID-19 Pandemic, an Opportunity to Improve Glucose Control Through Behavioral Changes in Type 1 Diabetes

OBJECTIVE To investigate the impact of coronavirus disease 2019 lockdown on glycemic control and associated factors in people living with type 1 diabetes. RESEARCH DESIGN AND METHODS An observational evaluation from a self-reported questionnaire on behavioral changes and glycemic information from flash glucose monitoring (FGM) during the lockdown in 1,378 individuals living with type 1 diabetes who used a French dedicated nationwide web application (CoviDIAB). RESULTS The main outcome was the change of the mean glucose level 2 months before and 1 month after the lockdown. We found that mean glucose improved from 9.1 +/- 1.7 mmol/L to 8.7 +/- 1.7 mmol/L (P < 0.001). Factors associated with better glycemic control were a decrease of alcohol consumption (odds ratio [OR] 1.75 [95% CI 1.04-2.94]), an increase in the frequency of FGM scans (OR 1.48 [1.04-2.10]) and in the number of hypoglycemia events (OR 1.67 [1.13-2.46]), and an easier diabetes control perception (OR 1.71 [1.18-2.49]). CONCLUSIONS Our findings suggest that lockdown has a positive impact on glycemic control in people with type 1 diabetes. Electric Literature of 104-38-1, Consequently, the presence of a catalyst will permit a system to reach equilibrium more quickly, but it has no effect on the position of the equilibrium as reflected in the value of its equilibrium constant.I hope my blog about 104-38-1 is helpful to your research.

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