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PubMed Journals Articles About "Global Chinese Membrane Process Sodium Hydroxide Industry 2017" RSS

17:28 EST 17th February 2019 | BioPortfolio

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Showing "Global Chinese Membrane process sodium hydroxide Industry 2017" PubMed Articles 1–25 of 26,000+

Suggestion to construction of regulations from historical evolution of Chinese medicine processing legislation.

Chinese medicine is the treasure of China. It has been the safe guard of health in China for thousands of years. Processing of traditional Chinese medicine (TCM) is an important process of removing crude extracts from natural products and achieving pharmacological properties of TCM. The connotation and norms of herbal preparation in the past dynasties have been improved gradually, and have been included in the code system since the Tang Dynasty. The process of legislative evolution is closely related to the...


Does protein oxidation affect proteolysis in low sodium Chinese traditional bacon processing?

This work investigated protein oxidation, proteolysis and their interrelationship during the manufacturing process of low-sodium Chinese traditional bacon. The bacons were prepared by four different salting treatments: substituting sodium chloride (NaCl) using 0, 30, 50, and 70% of potassium chloride (KCl). Protein oxidation was evaluated by total carbonylation, thiol oxidation, and tryptophan fluorescence changes. Proteolysis was detected by non-protein nitrogen, free amino acid, and sodium dodecyl sulfate...

Genetic diversity of porcine circovirus type 2 in China between 1999-2017.

Porcine circovirus type 2 (PCV-2), is linked to PCV-2 associated disease, which has caused considerable economic loss in the swine industry. Here, we report the genetic diversity of PCV-2 in China. A total of 74 Chinese PCV-2 strains sequenced between 1999 and 2017 were studied. Based on the ORF2 and complete genomes, we found that apart from the PCV-2a, PCV-2b, and PCV-2d genotypes, two unstable recombination genotypes also exist, referred to as IM1 and IM2 genotypes. We found that the patterns of PCV-2 ge...


Phosphorus recovery through adsorption by layered double hydroxide nano-composites and transfer into a struvite-like fertilizer.

Phosphorus (P) recovery from waste streams is attracting more attention due to the twin problems of aquatic eutrophication and global phosphorus scarcity. Layered double hydroxide mineral materials are promising phosphate adsorbents due to their excellent anion-exchange abilities and large surface area. In this study, the adsorption isotherms estimated the saturation capacity of calcined layered double hydroxide (LDH) nano-composites for phosphate as 100.7 mg-P/g-adsorbent. Ion exchange is proposed as the...

Clinical and radiographic evaluation of the efficacy of sodium hypochlorite as a haemostatic agent compared with physiologic saline on the success of calcium hydroxide pulpotomies in primary molars: an in vivo study.

To evaluate, via clinical and radiographic assessment; the success of calcium hydroxide pulpotomies with the application of 5% sodium hypochlorite as a haemostatic agent compared with physiologic saline in primary molars and to evaluate if there is improved efficacy of increased concentration of sodium hypochlorite application in calcium hydroxide pulpotomies.

Differences in the colloid properties of sodium alginate and polysaccharides in extracellular polymeric substances with regard to membrane fouling.

Microbial extracellular polymeric substances (EPS) with a high polysaccharides content contribute to membrane fouling in membrane bioreactors. Sodium alginate (Alg) has been widely used as a substitute for polysaccharides in EPS to study membrane fouling; however, the rational for such a substitute is unclear and remains to be verified. In this work, the differences in the colloid properties of Alg-Ca and EPS-Ca were explored by integrating rheometry and dynamic light scattering with regard to distinct memb...

Efficacy of activated persulfate in inactivating Escherichia coli O157:H7 and Listeria monocytogenes.

Concerns have been on the rise regarding the use of chlorine-based sanitizers for fresh produce sanitation due to the production of toxic disinfection by-products (DBPs). This study was undertaken to evaluate the efficacy of activated persulfate in inactivating Escherichia coli O157:H7 and Listeria monocytogenes in pure culture. The objectives were to study the effect of persulfate to activator ratios and determine the major contributing radical in pathogen inactivation. A five-strain cocktail of each patho...

Global, regional, and national age-sex-specific mortality for 282 causes of death in 195 countries and territories, 1980-2017: a systematic analysis for the Global Burden of Disease Study 2017.

Global development goals increasingly rely on country-specific estimates for benchmarking a nation's progress. To meet this need, the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2016 estimated global, regional, national, and, for selected locations, subnational cause-specific mortality beginning in the year 1980. Here we report an update to that study, making use of newly available data and improved methods. GBD 2017 provides a comprehensive assessment of cause-specific mortality for 2...

Effect of crystallinity on pretreatment and enzymatic hydrolysis of lignocellulosic biomass based on multivariate analysis.

In this work, multivariate data analysis was employed to correlate variables of pretreatment process of lignocellulosic biomass. Principal component analysis and partial least square methods were performed to get the inner-relationship and data interpretation between the crystallinity and other parameters of mechanical refining-assisted sodium hydroxide pretreatment followed by enzymatic saccharification of corn stover. The PCA and PLS models showed that Sodium hydroxide dosage, mechanical refining treatmen...

Suppressing Self-discharge of Vanadium Diboride by Zwitterionicity of Polydopamine Coating Layer.

The vanadium boride (VB) air battery is currently known as a primary battery with the highest theoretical specific capacity, 4060 mAh g, which originates from extraordinary 11 electron per VB molecule oxidation process. However, the parasitical reaction between VB and hydroxide ions in the alkaline electrolyte leads to obvious self-discharge, which is presented in severe capacity loss during discharge. In this work, we applied the polydopamine (PDA) membrane to modify the surface of VB particles, which cont...

Comparative Proteomics of Whey and Milk Fat Globule Membrane Proteins of Guanzhong Goat and Holstein Cow Mature Milk.

Guanzhong goat and Holstein cow milks are the major milk supply for the Chinese dairy industry. Whey proteins and milk fat globule membrane (MFGM) proteins of both milk were characterized and compared using proteomic techniques. A total of 283, 159, 593, and 349 proteins were identified, respectively, in whey and MFGM for the two species using Liquid Chromatography combined with Tandem Mass Spectrometry (LC-MS/MS). Functional categories analyses showed that both goat and cow MFGM proteins had three most abu...

In situ synthesis of tin dioxide submicrorods anchored on nickel foam as an additive-free anode for high performance sodium-ion batteries.

A hybrid of tin dioxide submicrorods anchored on conductive nickel foam (SnO submicrorods-Ni foam) is in-situ synthesized via a hydrothermal and a subsequent heat treatment by using stannic chloride and sodium hydroxide as the starting materials. Characterization results indicate that the synthesized SnO submicrorods has a length of ∼400 nm and a diameter of ∼150 nm anchoring tightly on Ni foam. The electrochemical properties of the material as an additive-free anode for sodium-ion batteries are inv...

Reduction of hydrogen sulfide gas in a small wastewater collection system using sodium hydroxide.

The Kennebunk Sewer District collection system experienced H S-induced corrosion downstream of terminus manholes for the Wells Road and Boothby Road pumping stations. An automated odor control system using sodium hydroxide (NaOH) was developed to mitigate further corrosion. System performance was quantified by recording the [H S] in the terminus manholes before and after NaOH treatment. Preliminary evaluation at the Wells Road facility demonstrated significant (p

Promoter Effects of Functional Groups of Hydroxide-conductive Membranes on Advanced CO2 Electroreduction to Formate.

The electrochemical reduction of CO2 at ambient conditions provides a latent solution of turning waste greenhouse gases into commodity chemicals or fuels; however, a satisfactory ion-conducting membrane for maximizing performance of a CO2 electrolyzer has not been developed. Here we report the synthesis of a sequence of hydroxide-conductive polymer membranes, which are based on polymer composites of poly(vinyl alcohol)/Guar hydroxypropyltrimonium chloride, for use in CO2 electrolysis. The effect of differen...

Interaction between humic acid and protein in membrane fouling process: A spectroscopic insight.

Membrane fouling remains a major challenge for applying membrane technology to water treatment and, therefore, new tools to recognize the key foulants are essential for characterizing and evaluating the membrane fouling process. In this work, fluorescence excitation emission matrix coupled with parallel factor framework-clustering analysis was used to investigate the membrane fouling during the filtration process of humic acid (HA) and bovine serum albumin (BSA) solution by polyvinylidene fluoride membrane....

Two methods for modeling of sick sinus syndrome in rats: Ischemia reperfusion and sodium hydroxide induced injury.

The Sick Sinus Syndrome (SSS) is a serious life-threatening heart disease. It is important to establish a credible and stable sinus node damage model. In this study, we use two methods to construct an SSS damage model in rats. One is to inject sodium hydroxide to the SSS area through internal jugular vein. Another is to cause ischemia-reperfusion injury on the SSS area. 43 healthy SD rats were randomly divided into 4 groups, namely ischemia-reperfusion injury group (IRIG), inject sodium hydroxide group (ISH...

Recovery of ammonia in anaerobic digestate using vacuum thermal stripping - acid absorption process: scale-up considerations.

A vacuum thermal stripping process coupled with acid absorption has been developed at laboratory scale to recover ammonia in anaerobic digestate. To make this ammonia recovery process scalable, this study investigated the effects of feed depth on vacuum thermal stripping in a pilot system, developed sodium hydroxide dosages required to raise feed pH for stripping, and simulated the dynamics of ammonia reduction in batch stripping tests. As feed depth was increased from 8.5 to 34.0 cm, the ammonia mass trans...

Measuring progress from 1990 to 2017 and projecting attainment to 2030 of the health-related Sustainable Development Goals for 195 countries and territories: a systematic analysis for the Global Burden of Disease Study 2017.

Efforts to establish the 2015 baseline and monitor early implementation of the UN Sustainable Development Goals (SDGs) highlight both great potential for and threats to improving health by 2030. To fully deliver on the SDG aim of "leaving no one behind", it is increasingly important to examine the health-related SDGs beyond national-level estimates. As part of the Global Burden of Diseases, Injuries, and Risk Factors Study 2017 (GBD 2017), we measured progress on 41 of 52 health-related SDG indicators and e...

Global, regional, and national incidence, prevalence, and years lived with disability for 354 diseases and injuries for 195 countries and territories, 1990-2017: a systematic analysis for the Global Burden of Disease Study 2017.

The Global Burden of Diseases, Injuries, and Risk Factors Study 2017 (GBD 2017) includes a comprehensive assessment of incidence, prevalence, and years lived with disability (YLDs) for 354 causes in 195 countries and territories from 1990 to 2017. Previous GBD studies have shown how the decline of mortality rates from 1990 to 2016 has led to an increase in life expectancy, an ageing global population, and an expansion of the non-fatal burden of disease and injury. These studies have also shown how a substan...

Global, regional, and national comparative risk assessment of 84 behavioural, environmental and occupational, and metabolic risks or clusters of risks for 195 countries and territories, 1990-2017: a systematic analysis for the Global Burden of Disease Study 2017.

The Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2017 comparative risk assessment (CRA) is a comprehensive approach to risk factor quantification that offers a useful tool for synthesising evidence on risks and risk-outcome associations. With each annual GBD study, we update the GBD CRA to incorporate improved methods, new risks and risk-outcome pairs, and new data on risk exposure levels and risk-outcome associations.

A general strategy for facile synthesis of ultrathin transition metal hydroxide nanosheets.

A general strategy to produce 2D transition metal hydroxide nanosheets is proposed here. This 'green chemistry' approach requires less equipment, includes simple operation steps and costs little. FeOOH, Co(OH)2, Ni(OH)2, Fe-Mn hydroxide, Co-Zn hydroxide and Ni-Zn hydroxide nanosheets were successfully synthesized through a mechanism of preferentially oriented growth. The produced nanosheets are ultrathin and possess large specific surface area. The representative unmodified FeOOH nanosheets exhibit potentia...

Extra water- and acid-stable MOF-801 with high proton conductivity and its composite membrane for proton exchange membrane.

Proton exchange membranes (PEMs), characterized by selectively permitting the transfer of proton and acting as separator in electrochemical devices, have attracted immense attention. The composite membrane fabricated from a proton conducting MOF and organic polymer combines the unique physical and chemical nature of the polymer and the high proton conductance of MOF, achieving collective properties to fabricate high-performance PEMs. In this work, we present the study of a proton conducting MOF-801, which s...

Presidential address 2017 William Harkness FRCS October 10th 2017 Denver, Co USA: 2017-annus mirabilis, a global view of neurosurgery for children.

The following presidential address was delivered at the 45th Annual Meeting of the ISPN held in Denver, CO, USA in October 2017.

Dialysate sodium concentration: The forgotten salt shaker.

The concentration of sodium in dialysis fluid, a major determinant of extracellular fluid volume and blood pressure, plays a major role in the sodium balance in end-stage renal disease patients. A low dialysate sodium concentration (DNa) reduces interdialytic weight gain (IDWG) and blood pressure and might help ameliorate endothelial dysfunction and inflammation. However, low DNa can also increase the incidence of hypotensive episodes and muscle cramps. Sodium profiling, as typically prescribed in which the...

Barium Titanate Based Porous Ceramic flexible Membrane as a Separator for room temperature Sodium Ion Battery.

Sodium ion batteries (NIB) are an alternative low-cost battery technology for large-scale energy storage application and the development of high-performance polymer-based electrolytes is crucial for the further advancement in low cost NIB. Though electrode materials provide significant contribution to the energy density of the battery, the separator plays a vital role in deciding the safety, duration and performance of batteries. The glass fiber membrane is considered as the most compatible separator for NI...


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