Ethyne forms a weak charge-transfer complex with surface catalysts such as Mg.porphin in which the ethyne group has a net positive charge (0.08), and the conjugated porphin has a negative charge. This neutral complex is polarised and undergoes a nucleophilic addition reaction with ammonia at the carbene...

This study was aimed at using biomimetic strategies to construct a biphasic scaffold. Biphasic scaffolds were constructed using the 3-dimentional printing technology with two phases: the bony phase and the chondral phase. The bony phase was using the composition of poly (lactide-co-glycolide) (PLGA)...

The effects of light quality on the quality formation of tomato (cv. MicroTom) fruits were studied in controlled-environment house. There were 4 LEDs treatments: the ratio of red (660nm): blue (460nm) was 1:1 (1R1B), 2:1 (2R1B), 4:1 (4R1B) and 8:1 (1R1B), the Photosynthetic Photon Flux Density (PPFD)...

The conversion of maltose into trehalose has important applications in the manufacture of food and other products. The enzyme trehalose synthase (TreS) catalyzes the interconversion of maltose and trehalose with glucose as a byproduct. In this study, treS was cloned from Pseudomonas stutzeri Qlu3 genomic...

To observe the effects of total flavonoids of Rosa chinensis on focal cerebral ischemia reperfusion model in mice, Method: Nimodipine group, cerebral collaterals group, large, medium and small doses group of the Rosa chinensis total flavonoids were administered with corresponding drugs; Sham operation...

Objective: To study the effect of propranolol on osteoclasts. Methods: (1)propranolol at the doses of 10-2 µmol/ml, 10-3 µmol/ml, 10-4 µmol/ml, were added into the osteoclasts for coculture for 72 h, then tartrate-resistant acid phosphatase (TRAP) and toluidine blue staining was used to detect the effects...

Preparation and percutaneous absorption of 2-methyl-2-perfluoro-2'-methyl-3'-oxoca- proyloxyl ethoxycarbonyl ethylmethyldipolyethoxylsilicane (V) were investigated. V was synthesized from 2-perfluoro-2'-methyl-3'-oxocaproyloxylethyl methacrylate and methyldichlorosilicane by hydrosilication, then by...

The progressive anastomotic intimal hyperplasia has been considered as a major failure reason for coronary artery bypass grafting (CABG), which is associated with the abnormality of the hemodynamic conditions. We designed a set of plexiglass models which can serve as in vitro cells or tissue culture...

To develop a rapid method for the detection RHDV2, 4 specific primers and 12 overlapping PCR primers were designed to amplify the conserved RHDV2 specific DNA fragment according to the genome sequences of RHDV and RHDV2 published in GenBank. Based on the synthesis of a conserved part of the RHDV2 sequence...

Functional neuroimaging studies have found that emotion network in patients with some psychiatric and neurological diseases was abnormal. However, human emotion network is extremely complex and understanding of it still remains unclear. So, it's difficult to regulate and remodel emotion network directly....

Nowadays, the edible and medicinal values of edible fungi have been widely recognized all over the world, particularly in China and Japan, the edible fungi have become important ingredients in Traditional Chinese Medicine. Hundreds of species of edible fungi had been studied and confirmed with biological...

A new shake flask culture device was introduced in this paper, whose main part was comprised with mouth, body and bottom. Besides, it also included cork; pump; small bacteria filter and etc. So, the utility model had the advantages of simple structure, artful design, and it was more convenient to use....

Allergic asthma is a chronic airway inflammatory disease characterized by the infiltration of eosinophils in the lungs and the production of various kinds of stimulating factors, incidence rate showed an upward trend. In this paper, the research status and future development trend of the signal pathway...

It is an important and hot topic for researchers to develop an efficient and robust feature selection method from gene expression profile data with thousands of genes and small sample size. At present, most of feature selection methods are constructed models to use all samples of gene expression data,...

The olfactory bulb is an important structure in olfactory information processing. Exploring electrophysiological characteristics of dissected olfactory bulb neuron in vitro is helpful to improving the understanding of the mechanism of the olfactory information processing. In this work, a novel neural...

To provide scientific data of the internal transcribed spacer (ITS) and trnL-F sequences for the authentication of Pulsatilla chinesis (Bge.) Regel., we extracted the genome DNA from the leaves of Pulsatilla.dahurica (Fisch.) Spr., collected in Jilin Province, amplified the ITS and trnL-F region using...

The aim of this study is to evaluate and optimize the influence of process conditions on the microencapsulation of DHA algal oil by spray drying, while using whey protein isolate (WPI) and maltodextrin (MD) as wall material. Emulsion stability was analyzed. Microencapsulation efficiency, surface oil...

OBJECTIVE: To observe the effect of Compound-Maqin-Decoction (CMD) on p38MAPK and Foxp3protein expression of lung issue in asthmatic rats. METHODS: The asthmatic rat model was established by ovalbumin and was intervened with CMD. After inducing asthma and four-week treatment, the rats were sacrificed...

Glucose-oxidase-horseradish peroxidase-guaiacol coupled system was applied for glucose oxidase assay with high sensitivity and prefect reproducibility. The optimum pH value was 5.8. The Michaelis-Menten constant (Km) and Vmax were determined to be 30.0±1.0 mM and 2.49±0.08 µM/s, respectively,...

A heme-histidine-sodium decyl sulfate nano micelles complex with peroxidase activity (MAP) was constructed self-assembly and immobilized on a hydroxy fullerene modified glassy carbon electrode. The cyclic voltammograms of the modified electrode with a pair of redox peaks were investigated. The formal...

76% Yield of levulinic acid was obtained from fructose conversion catalyzed by acidic ionic liquid in water. The chemical structures and morphologies of humin byproduct were investigated, indicating three stages of transition for the first time. At the early stage, 5-hydroxymethylfurfural (HMF) intermediate...

This paper presents a method of blink artifact removal of single lead EEG signal. After a wavelet transform signal singularity points are detected and modulus maxima values of wavelet transform are applied to find peaks of blink artifacts. By using Hilbert transform instantaneous frequency is obtained....

Xylitol, a five carbon sugar alcohol, has numerous applications in the fields of food and pharmaceuticals. Gluconobacter oxydans contains two enzymes which are membrane-bound D-arabitol dehydrogenase and soluble xylitol dehydrogenase enabling the production of xylitol from D-arabitol. This review provides...

A novel synthetic methods for the efficient and environmentally-friendly production will provide useful inspiration. This report presents a novel method for microwave-assisted synthesis of diazinon with different organic solvents, microwave heating power, heating time, catalysts. The optimal conditions...

As a common post-translational modification of proteins, glycosylation has been proven effectively influence the activity of enzyme. To improve the activity of endoglucanase (EGII) from Rhizopus stolonifer TP-02, we studied the effect of glycosylation on the structure and activity of EGII. Two potential...

One new monoterpenoid, 5-aldehyde-6'-O-sinapoyljasminoside A (1), together with two known compounds 6'-O-sinapoyljasminoside B(2) and 6'-O-trans-sinapoyljasminoside L(3), were isolated from the fruits of Gardenia jasminoides Ellis. The structures of the new monoterpenoid compound were elucidated by means...

To develop a rapid molecular biological method for the detection of rabbit hemorrhagic disease virus type 2 (RHDV2), a set of 4 primers were designed according to the conserved sequence fragment of the capsid protein(VP60) gene of RHDV2 published in GenBank, and the reverse transcriptase loop-mediated...

To explore the effect to storage method of fresh Xinhui citrus peels by using against storage and ethanol mildewproof method, the main fungus which caused the mildew of fresh peels was also checked. The effect of hance ginger on peel moldy was observed by changing the humidity of storage environment...

Microbial diversity in a Chinese traditional spontaneous fermented sour meat product, Suanrou, was investigated using High-throughput sequencing. A taxonomic analysis was carried out on 1248 OTUs obtained with 454-pyrosequencing of 16S rRNA amplicons of the bacterial microbiota in 3samples of suanrou...

One new monoterpenoid compound 4'-acetyl-eucommiol (1) and two known compounds eucommiol(2), 1-deoxyeucommiol(3) were isolated from the leaves of Eucommia ulmoides. The structures of the new monoterpenoid eucommiol were elucidated by means of chemical evidence and 1D-and 2D-NMR (1H, 13C, HSQC, HMBC,...

MircroRNAs (miRNAs) are one type of small non-coding RNAs and play important roles in regulating wide range of biological processes, such as stem cell maintenance, tissue development and cell metabolism. By modulating these key cellular processes, miRNAs can simultaneously regulate both oncogenes and...

Gamma-band neuronal oscillation and synchronization (30-90 Hz) are frequently observed in several cortical and subcortical circuits and are supposed to be involved in a variety of cognitive functions. The phase of the oscillation, referred to as one aspect of communication through coherence (CTC) hypothesis,...

Hydrosulfuryl(-SH) in penicillamine molecule can reduce Fe(III) to Fe(II), then using tiron as chromogenic reagent of Fe(III), and the content of penicillamine is determinated indirectly through determinating the surplus content of Fe(III) in the system. An accurate fast spectrophotometric method for...

Ricinoleic acid grafted amphiphilic carboxymethy chitosan (CMC-g-RA) was synthesized as a carrier to load botanical drug rotenone (Rot). Then Rot/CMC-g-RA water dispersion in nanoscale was prepared, whose shape, zeta potential, loading efficiency and outdoor stability were characterized accordingly....

With the continuous development of the Internet, community-based Q&A (CQA) system has become an effective platform for people to access online information and help. People can submit their own question in CQA and get answers from others. There will be an enormous amount of questions all the time, and...

By comparing the effects of excess nutrients and malnutrition on the body of children, It is concluded that the harm to children's body caused by excessive nutrition is more than that of malnutrition, and overnutrition is also a performance of malnutrition. The causes of obesity in children, the present...

The scope of Chinese medicine residue and utilization is relatively narrow, and the harmless processing technology needs to be systematized. Since its feasibility is still being questioned by people, this research discusses the properties of the Chinese medicine residue carbonation characteristics and...

The findings of effective targets and the identification of target binding molecules are two key points in drug discovery. The complete human genome and their rapid increase in structural and functional information led to new possibilities for diagnosis and therapy of diseases, using gene-targeted drugs....

Purpose: This study was conducted to illustrate that pulse diagnosis of traditional Chinese medicine (TCM) was useful in the assessment of coronary artery lesions in patients with Coronary Heart Disease (CHD). Methods: By using phase-space reconstruction, one-dimensional pulse signals of participants...

Melittin is the main toxic component in the the honey bee venom. It is a cationic, lytic peptide constituted by 26 amino acid residues. This peptide is an amphoteric molecule which the carboxy-terminal region is hydrophilic and the amino-terminal region is hydrophobic due to the presence of a series...

A enantioselective and sensitive liquid chromatography/electrospray ionization-mass spectrometry (LC/ESI-MS) method is developed for the quantitative analysis of ketoprofen (KET) enantiomers based on a straightforward one-pot two-step stable isotope-coded derivatization of KET with a chiral derivatization...

Asthma is kind of disease affecting quality of life. Different TCM asthma types have different characteristics.TCM tongue images can be objective indexes for asthma TCM differentiation and therapeutic evaluation. More and more modern technique and analysis methods are used to discuss meaning of tongue....

Poly (L-lactic acid) (PLLA) and glucose (Glu) were respectively dissolved in N, N-dimethyl acetamide to prepare solutions. The blends of PLLA and glucose with various ratios were prepared by mixed solution method, and characterized with infrared Fourier transform spectrometry, differential scanning calorimetry,...

Efonidipine is a dual blocker of T-type and L-type calcium channels with 1, 4-dihydropyridine structure attached to a phosphonate skeleton. As a chiral compound, it has a special property that can exist as a racemic conglomerate or a racemic compound based on the different crystallization conditions....

A general and efficient method for the synthesis of asymmetrical dinucleoside triphosphates with an antiviral nucleoside moiety has been developed. The coupling of adenosine diphosphate with antiviral nucleoside phosphoropiperidate via the DCI activation of P-N bond afforded the desired products in good...

Cooking fumes are mixture of various toxic components such as aldehydes, heterocyclic amines (HCAs), polycyclic aromatic hydrocarbons (PAHs), fat aerosols and particulate matters (PM), which are mainly produced during or after cooking. Due to the toxic contents of CFs, CFs might cause lung toxicity,...

AHP-FCE model was introduced to carry out evaluation of heavy metal pollution prevention technology. AHP was used to determine the weights of various evaluation indices, and FCE was used to evaluate heavy metal pollution prevention technology. The paper took HDS technology. as an example, to introduce...

To investigate the ability of oxygen release from roots of different vegetation, and explain the mechanism. This paper tested the variation of oxygen release rate from roots of Thalia and Pontederia using a titanium ( ) citrate buffer. The results shows that oxygen release rates with the same condition...

To explore the optimum growth condition of cherry tomato (Lycopersiconesculentum), the cherry tomato was used to study the soil respiration and photosynthesis of leaves under greenhouse and outdoor condition with Lou soil and loessial soil during fruiting period in the year 2013 and 2014.The results...

Chinese traditional culture contains rich ecological philosophy thought. This paper focuses on the analysis of the ecological and environmental philosophy of "harmony between man and nature" in Chinese ancient Confucianism and Taoism. It is believed that the thought has important practical guiding function...

With the rapid development of economy in China, the demand of the society to the transportation industry is also increasing [1]. This has produced a large number of car greenhouse gas, causing serious damage to the environment. As a new development of clean energy industry, liquefied natural gas (LNG)...

Seventy nine karst water samples were used to study the quality of groundwater in upstream of Junhe River. The main hydrochemical types were HCO3 type, HCO3⋅SO4 type, HCO3⋅Cl type and Cl type, and the HCO3 type occupied 58% of the total evaluation area. The sample points were grouped in the lower-left...

Continuous biohydrogen production process by anaerobic fermentation of glucose was successfully started-up and the average hydrogen yield of 68.6 ml/g-carbohydrateremoved was obtained. When the feedstock converted into the mixture of food waste and glucose, the highest hydrogen yield of 77.4 ml-H2/g-VSremoved...

Based on the acute toxicity data for aquatic organisms from China and the United States, species sensitivity distributions (SSDs) were developed to derive to HC5 (the Hazardous Concentration for 5% of the species). Sensitivity to NP in taxa of vertebrates, invertebrates and plants were compared separately...

Using carbon fiber (CF) as carriers and sodium carboxymethyl cellulose (CMC) as modifiers, nano zero valent iron (nZVI) was prepared and characterized by Scanning Electron Microscopy (SEM) and X-Ray Diffraction (XRD). The effects of the different materials, the initial solution pH, and so on, were investigated....

The adsorption capacities of heavy metals in biofilms have the potential advantage of high efficiency. More and more attention has been paid to the study of the adsorption of heavy metals in biofilms. This study designed four reactors to test the adsorption capacities of heavy metals in biofilms grown...

Jiuquwan Reservoir is the only drinking water source supplied for Xunwu county residents. It is located in the middle reaches of Mati River belongs to the East River upstream tributary of the Pearl River basin. The ecological management projects of cyanobacteria bloom in Jiuquwan Reservoir was described....

The activated carbon adsorption isotherms of organic matters in natural water were type II and III isotherms, which cannot fitted accurately by the Langmuir and Freundlich models. It is investigated on the different kinds of activated carbon adsorption characteristics for humic, lignin and tannic acid...

Slow-flow water is the main part of rural water, human activities to the semi-enclosed water caused serious pollution. Water bio-ecological remediation method can increase the ecosystem diversity, self purification capacity and system stability. The technology includes adding microorganisms, constructed...

Based on characteristics of wood crib releasing formaldehyde (CH2O), a physical model, which CH2O releases and diffuses from crib in indoor, is established to simulate the distribution characteristics of CH2O concentration in confined and ventilated indoor. CH2O concentration near crib is larger, and...

A novel room temperature gas sensor based on porous In2O3 nanorods was successfully synthesized via a facile reflux method. The In2O3 demonstrates a rod-like shape with a diameter of 10 - 20 nm and a length about 70 - 100 nm, which displays good and uniform size. Studies have shown that the porous In2O3...

Electricity generation by single-chamber air cathode fuel cells (MFCs) is considerably influenced by power management system(PMS). This study showed that application of PMS connected with a single-chamber air cathode MFC significantly improved its columbic efficiencies (CEs), current, and power output....

Poly-hexamethylene biguanide hydrochloride (PHMB) and 1-bromo-3- chloro-5,5-dimethylimidazolidine-2,4-dione (BCDMH) are widely used for surface disinfection. Here, we examined the bactericidal effects of the mixture of PHMB and BCDMH (named PB) combined in different ratios on S. aureus, and studied effects...

A PM2.5 concentration prediction approach using data-driven model is proposed in this paper, which uses support vector machine regression (SVR) and SVR combined with Particle Swarm Optimization (PSO) respectively. The forecast results have a certain advantageous by comparing PSO-SVR prediction model...

Due to the fast development of electronic waste and the gradually deficient of the modern resources, the environment is deteriorated seriously. Thus, the recycling and utilizing of electronic waste becomes an important research area in modern scientists. In the present paper, the authors employ H2SO4...

With fast urbanization, urban nature environment has been largely damaged. A primary ecological system is being destroyed. In order to a sustainable development, environmental standards for maintain an ecological system for a city have to be established. This study demonstrates a new approach for establishing...

Environmental education is a type of education activity which takes the relationship between human beings and the environment as the core. This article takes Shandong province as an example to carry out environmental education and compulsory education equalization issue research, combine environmental...

The water quality parameters and microcystins of the two largest highland lakes in China, Dianchi Lake and Erhai Lake, were determined during high eutrophication season in 2011. The results showed that the eutrophic levels and MCs concentrations were obviously higher in Dianchi Lake than those in Erhai...

Formaldehyde is one of the substances causing sick for human being.Small doses of formaldehyde can cause a variety of symptoms of physical discomfort. High dose and long time exposure to formaldehyde will increase the probability of cancer. However, the content of formaldehyde in the newly renovated...

Global climate change has already seriously endangered the health and development of human, energy consumption and carbon emission control have become the social issues of common concern to all countries. This paper takes Jilin province as an example, using Tapio decoupling theory to research the decoupling...

The total water consumption in China increased year by year since 2003.To forecast total water demand in advance is practically important for water supply planning. The paper first made impacting factors analysis of the total water demand in China. Then established three models for the total water demand...

This paper summarizes the importance of water resource and more and more serious situations facing agricultural water use. Rainfed agriculture is a necessary way for crop production and food security. As one of the most efficient tool, rainwater harvesting can supplement rainfed agricultural and hence...

The sewage source with widely distributed is a kind of low grade energy. The sewage source heat pump technology can achieve the energy conversion that the sewage source from low grade energy to high grade energy of sewage. The system sewage source heat pump supplies heat energy and cold energy to meet...

Chromium pollution poses a serious threat to the safety of human beings and animals. The traditional method of treating Chromium-containing wastewater is difficult to achieve the purpose of removing chromium depth, In this paper, the removal of chromium in high-chromium industrial wastewater was studied...

The accurate measurement of different species of ammonia nitrogen is essential to understanding of the self - purification and pollution status of water system as well as revealing the aquatic ecological environment. In the paper, the analytical methods for ammonia nitrogen species in aquatic environments...

The degradation of oxytetracycline (OTC) by the iron wire/H2O2 system was investigated. The effects of initial concentration of OTC, H2O2 dosage, initial pH value, iron wire dose and reused times of iron wire on the degradation of OTC were examined. The results showed that iron wire exhibited high catalytic...

Phthalates are esters of phthalic acid and are mainly used as plasticizers. It was reported that some phthalates activated constitutive androstane receptor (CAR), the major xenobiotic sensor and metabolism regulating nuclear receptor. Here, we compared the effects of CAR activation induced by 15 common...

A supramolecular approach to CO2 capture by cucurbit[7]uril (CB[7]) complex was developed. NH2(CH2)6NH2⊂CB[7] complex can convert CO2 to bicarbonate product exclusively and faster in solution due to the deshielding effect, thereby providing a green absorbent to CO2 with regard to high stability, non-corrosiveness...

Reservoirs serve a lot in solving water shortage problems. It is critical to ensure the quality in the reservoir. Turnover time is identified to influence the water quality significantly. In this study, the effect of air temperature variations on turnover time in a reservoir on Fushan Mountain (Qingdao,...

Objective: Based on the analysis of the characteristics of traditional Chinese medicine and Western medicine clinical symptoms of alcoholic liver injury. Method: In this paper, the characteristics and modeling methods of alcoholic liver injury animal model were summarized through analyzing the clinical...

The environment is usually changed to benefit human life. However, advances come with a significant environment cost. Our health is suffering severe persecution that created by burning fossil fuels and pour polluting chemical waste into the living environment. Canteen is an important place for college...

Two kinds of flue gas desulfurization gypsum (FGD-gypsum) A# and B# were chosen to improve coastal saline-soil at the different ratios of quality (0%, 0.5%, 1%, 2.5%, 5%) respectively in soil column leaching experiment. A came from a steelworks whose technology was wet gas gush churn tower sintering...

The study, which was conducted in Klein-Altendorf, Nordrhein-Westfalen in Germany, simulated the effect of temperature and solar radiation on the yield of winter wheat from 1991 to 2004 by using LINTUL 2 model. The parameters of temperature and radiation were modified to check the sensitivity of the...

The aim of this study is to find a reasonable indicator to evaluate by sector water use efficiency (WUE). Based on a water resource input-occupancy-output model, a new indicator (total water use coefficient) that considered indirect demand effects and occupancy was provided. Use this indicator and the...

The toxicity and bioavailability of heavy metals depends upon characteristics of the surrounding soil matrix. To assess the risk of heavy metals in soil, it is necessary to understand the relationships between the heavy metals and other soil chemicals. Lead (Pb) and cadmium (Cd) in soils affected by...

The content and distribution characteristics of 11 kinds of polychlorinated biphenyls (PCBs) in surface soil of Changchun city suburban vegetable field were analyzed. The results showed that the contents of PCBs in soil were in the range of 27.74~219.54 g-kg-1, with the average value of 83.75 g-kg-1,...

To study the characteristic of adsorption kinetics of BHC and DDT in the unsaturated zone of typical northeastern soil field of China by adopting indoor soil adsorption simulation experiment. The purpose of the study is to reveal the pollution mechanism of BHC and DDT to soil and groundwater and provide...

In this study, the TiO2 immobilized on fiberglass cloth was prepared to improve the photocatalytic activity of TiO2 and overcome the difficulty of reuse through a set of different procedures. The microstructure and morphology of TiO2 loaded on FGC were characterized via SEM and XRD, respectively. The...

This paper presents the possibility of utilizing a low field benchtop magnetic resonance imaging (MRI) to visualize the development of mesenchymal stem cells (MSCs) based tissue engineered (TE) bone constructs over a four-week period. All MRI measurements were conducted using a 0.5T MRI tomography system....

EACHL was extracted from the Chinese honey locust. MTT assay was used to test the cytotoxicity of the extracts on esophageal carcinoma cells. The result of MTT assay showed the Ic50 values of Eca109 and TE1 are 11.53, 32.07 g-ml-1, respectively. The interaction of EACHL with bovine serum albumin (BSA)...

The effective part (BESDM) was extracted from the DioscoreaÿnipponicaÿMakino. Cytotoxicity of the BESDM on Ec9706, Eca109 and TE1 cells tested by MTT assay. The result showed the Ic50 values of Ec9706, Eca109 and TE1 are 7.87ñ0.08, 3.76ñ0.04 and 13.53ñ0.06 gúml-1, respectively. Fluorescence was used...