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2011 5th International Conference on Bioinformatics and Biomedical Engineering最新文献

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Research on the Characteristics of Buffer Material Used as Hip Protector 护臀缓冲材料的特性研究
Pub Date : 2011-05-10 DOI: 10.1109/ICBBE.2011.5781500
Tong Zhang, Y. Song, Shumei Gao
NA
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引用次数: 3
Notice of RetractionAquatic Predicted No-Effect Concentration (PNEC) Derivation for Perfluorooctane Sulfonic Acid (PFOA) 关于撤销全氟辛烷磺酸(PFOA)水生预测无效应浓度(PNEC)衍生的通知
Pub Date : 2011-05-10 DOI: 10.1109/ICBBE.2011.5781369
Wang Ying, J. Mu, Juying Wang
Perfluorooctanoic acid (PFOA), the representative perfluorinated surfactant, is an anthropogenic pollutant detected in various environmental matrices. Little is known regarding its safe thresholds to the aquatic ecosystem. Predicted no-effect concentrations (PNECs) for PFOA were derived based on the measured/predicted chronic/acute toxicity data. The interspecies correlation estimation (ICE) program and final acute-to-chronic ratio (FACR) were applied to investigate their capability for the derivation of PNEC. The recommended aquatic toxicity thresholds for PFOA are in the range of 0.30 ~ 8.48 mg/L. The ICE-based species sensitivity distribution (SSD) method has certain potential for the derivation of PNEC especially when toxicity data are limited.
全氟辛酸(PFOA)是一种具有代表性的全氟表面活性剂,存在于各种环境基质中。人们对其对水生生态系统的安全阈值知之甚少。PFOA的预测无效应浓度(PNECs)是根据测量/预测的慢性/急性毒性数据得出的。应用种间相关估计(ICE)程序和最终急慢性比(FACR)来研究它们推导PNEC的能力。推荐的PFOA水生毒性阈值范围为0.30 ~ 8.48 mg/L。基于ice的物种敏感性分布(SSD)方法对PNEC的推导具有一定的潜力,特别是在毒性数据有限的情况下。
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引用次数: 2
Notice of RetractionResearch Progress in Absorption of CO2 Using Task-Specific Ionic Liquids 专项离子液体吸收CO2的研究进展
Pub Date : 2011-05-10 DOI: 10.1109/ICBBE.2011.5781333
Jun Zhang, G. Qu, P. Ning, Yu-huan Liu, Y. Shi, Hui Feng
By contrast with the conventional ionic liquids, owing to the high absorption capacity of CO2, the task-specific ionic liquids are very hopeful to replace the traditional alkanolamine which is volatile, corrosive strongly and easy oxygenated at high temperature. However, when their absorption capacity can be more greatly enhanced by amine functionalization than the conventional ionic liquids,the viscosity will also be increased. Neverthless, this adverse factor can be overcome by making use of supported ionic liquid porous carrier(such as porous SiO2, membranes). ln this paper,the characteristics of the task-specific ionic liquids absorbing CO2 under mild conditions are mainly introduced. The main influence factors on the absorption rate and absorption capacity and the appropriate solutions in practical application are discussed In addition, the developmental prospect of task-specific Ionic Liquids is presented.
与传统离子液体相比,由于具有较高的CO2吸收能力,该离子液体有望取代易挥发、腐蚀性强、高温下易氧化的传统烷醇胺。然而,当它们的吸收能力通过胺官能化比传统离子液体更大时,粘度也会增加。然而,这一不利因素可以通过使用负载型离子液体多孔载体(如多孔SiO2、膜)来克服。本文主要介绍了任务型离子液体在温和条件下吸收CO2的特点。讨论了影响离子液体吸收率和吸收率的主要因素及其在实际应用中的解决方法,并展望了专用离子液体的发展前景。
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引用次数: 1
Notice of RetractionReproductive Toxicity of Anatase TiO2 Nanoparticles in Caenorhabditis elegans 锐钛矿型二氧化钛纳米颗粒在秀丽隐杆线虫中的收缩生殖毒性通报
Pub Date : 2011-05-10 DOI: 10.1109/ICBBE.2011.5781429
W. W. Zhang, L. Tong, X. Y. Guo, L. Wang, R. Wu, G. Zhao, X. Wang, H. Du, L. Wu, A. Xu
The potential harmful effects of manufactured nanoparticles have caused great attention in recent years. However, the particle size effect on the toxicity of nanoparticles is still largely unknown. In the present study, we investigated the physicochemical properties of anatase titanium dioxide nanoparticles (TiO2) at either 5 nm or 40 nm and their reproductive toxicity effects on Caenorhabditis elegans. There was a dose-dependent increase of germ cell death in C. elegans exposed to 5 nm TiO2 at graded concentrations ranging from 0.1 to 10 μg/mL for 24 h. The brood size was dramatically decreased in a dose-dependent manner in C. elegans exposed to TiO2 at 5 nm, while the brood size was not much altered by TiO2 at 40 nm. Our data clearly demonstrated that the particle size played an essential role in the reproductive toxicity of TiO2 nanoparticles in C. elegans.
近年来,人造纳米颗粒的潜在危害引起了人们的广泛关注。然而,颗粒大小对纳米颗粒毒性的影响在很大程度上仍然未知。本文研究了锐钛矿型二氧化钛纳米颗粒(TiO2)在5 nm和40 nm下的物理化学性质及其对秀丽隐杆线虫的生殖毒性影响。浓度为0.1 ~ 10 μg/mL、浓度为5 nm的TiO2对线虫生殖细胞死亡有剂量依赖性增加,5 nm浓度的TiO2对线虫幼虫数量有明显的剂量依赖性降低,而40 nm浓度的TiO2对线虫幼虫数量影响不大。我们的数据清楚地表明,TiO2纳米颗粒在秀丽隐杆线虫的生殖毒性中起着至关重要的作用。
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引用次数: 1
Notice of RetractionFactor Analysis on Environmental Parameters Influencing HABs in West Lake Chaohu 巢湖西湖影响赤潮的环境参数收缩因子分析通知
Pub Date : 2011-05-10 DOI: 10.1109/ICBBE.2011.5780716
D. Guan, Dawen Gao, Jiguang Li, Nan-qi Ren
This study aimed to identify dominate influencing factors of HABs from multifactor coupling of environmental parameters in the West Lake Chaohu. By the factor analysis method on the monitoring data, the correlation matrix of selected parameters was calculated, and a model with six components was established to simulate environmental factors affect HABs in meteorology, hydrology and water quality, and explained the results in reason. The results indicated that obviously dominant factors of HABs were atmospheric temperature, atmospheric pressure and water level. The components implied meteorology and hydrology, contributed greater variance, appeared relatively strong effect to algal blooms in the factor analysis model.
本研究旨在通过对巢湖西湖环境参数的多因素耦合,找出影响藻华的主要因素。通过对监测数据的因子分析方法,计算所选参数的相关矩阵,建立六分量模型,模拟气象、水文、水质等环境因子对赤潮的影响,并对结果进行原因解释。结果表明,温度、气压和水位是影响赤潮的主要因素。因子分析模型中隐含的气象和水文分量方差较大,对藻华的影响相对较强。
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引用次数: 0
Notice of RetractionPreparation of Aloe Gel Formaldehyde Scavenger and Its Application in Oxazolidine Tanning Leather 芦荟凝胶甲醛清除剂的制备及其在恶唑烷制革中的应用
Pub Date : 2011-05-10 DOI: 10.1109/ICBBE.2011.5781423
Ren Long-fang, Luo Yuan-yuan, Wang Xue-chuan
Aloe gel was hydrolyzed by acid protease, and the amino nitrogen content was as index. The effect of pH, temperature, time, aloe gel concentration and the dosage of acid protease was studied. The optimal conditions were that pH was 3.5, temperature was 40°C, the dosage of acid protease was 4%, time was 4h and the concentration of aloe gel was 4.5%. Under the conditions, the amino nitrogen content was 0.197%. The FTIR and amino acid analysis results showed that the peak of C=0 and N-H obviously became stronger. Furthermore, the amino acid analysis results showed that aloe gel hydrolyzate contained 17 amino acids, and proline had the highest content. It was used to remove formaldehyde in oxazolidine tanning leather, and the application results showed that the formaldehyde-removal rate was 37.23%.
采用酸性蛋白酶对芦荟凝胶进行水解,并以氨基氮含量为指标。考察了pH、温度、时间、芦荟凝胶浓度、酸性蛋白酶用量等因素的影响。最佳条件为pH为3.5,温度为40℃,酸性蛋白酶用量为4%,时间为4h,芦荟凝胶浓度为4.5%。在此条件下,氨基氮含量为0.197%。FTIR和氨基酸分析结果表明,C=0和N-H的峰明显增强。氨基酸分析结果表明,芦荟凝胶水解产物中含有17种氨基酸,其中脯氨酸含量最高。将其用于恶唑烷鞣革中甲醛的脱除,应用结果表明,甲醛的去除率为37.23%。
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引用次数: 0
Notice of RetractionExperimental Study on the Transporting Process Downwards of Organochlorine Pesticides in a Sediment Core from Honghu Lake, China 洪湖沉积物岩心中有机氯农药向下运移过程的缩回实验研究通知
Pub Date : 2011-05-10 DOI: 10.1109/ICBBE.2011.5781402
Xiangyi Gong, Hao Zheng, S. Qi
The transporting process downwards of organ ochlorine pesticides in a sediment core from Honghu Lake was stuied expeimentally. The filtrate was collected at intervals. The concentrations of β-HCH in filtrate decreased gradually with the increase of time, which indicated that β-HCH in the sediments was being removed gradually with water. But the highest concentrations of HCB and p,p'-DDE in filtrate had obvious delay because of stronger absorbility of sediments. There were evident difference between the initial concentrations and the final concentrations of HCHs and DDTs in the sediment core. The concentrations of HCHs and DDTs decreased in the sediment with 0-5cm depth and those increased in the 5-15 cm sediments. However, the tendency that HCHs and DDTs in the sediment with 10-15 cm removed downwards was not obvious because of adsorption of TOC. HCHs in the sediments under 15 cm removed downwards and led to increase of HCHs concentration in the sediment with 25-30 cm depth, but the varieties of DDTs concentrations in the sediments under 15 cm depth were not obvious because of its hydrophobia.
实验研究了有机氯农药在洪湖沉积物岩心中的向下运移过程。每隔一段时间收集滤液。滤液中β-六氯环己烷的浓度随着时间的增加而逐渐降低,说明沉积物中的β-六氯环己烷被水逐渐去除。滤液中HCB和p、p′-DDE的最高浓度由于沉积物的吸附性较强,具有明显的延迟作用。沉积物岩心中HCHs和DDTs的初始浓度与最终浓度存在明显差异。0 ~ 5cm沉积物中HCHs和DDTs浓度呈下降趋势,5 ~ 15cm沉积物中HCHs和DDTs浓度呈上升趋势。然而,由于TOC的吸附作用,10 ~ 15 cm沉积物中HCHs和DDTs的下移趋势不明显。15 cm以下沉积物中的HCHs向下迁移,导致25 ~ 30 cm深度沉积物中HCHs浓度增加,但15 cm以下沉积物中DDTs浓度变化不明显,因为其疏水性。
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引用次数: 0
Notice of RetractionBiodegradation of Organophosphorus Pesticide and Simultaneous Denitrification about Bacillus cereus 有机磷农药生物降解及蜡样芽孢杆菌同步反硝化的研究进展
Pub Date : 2011-05-10 DOI: 10.1109/ICBBE.2011.5780800
Y. Ni, Pan Wang, Junzhong Yang, Yongze Yuan, Li Xiong, Wenjing Xiao, Deli Liu, Xianfang Wen, Hailing Xi, Yongliang Zheng
A strain degradating pesticide efficiently was isolated from the soil was long-term pesticide-contaminated near the pesticide factory of Xiantao City, Hubei Province. It was named as HS-MP13 and characterized. The results indicated that the HS-MP13 strain was most similar to Bacillus cereus based on the results of morphologic characteristics, physiological and biochemical properties and phylogenic analysis of 16S rDNA sequence. The strain HS-MP13 was identified as B. cereus preliminarily. Under aerobic denitrification conditions, we have determined the degradation capacity for methyl parathion (MP) and denitrifying activity of HS-MP13 in the special medium with an initial concentration of 10 mM (140 mg/L) NO3--N and an initial concentration of 100 mg/L MP. The degradation rates of nitrates and MP within 12 hours were found to be 77% and 100%, respectively. It indicated that B. cereus was able to act simultaneously degradation of MP and denitrification under aerobic conditions and it may be a good candidate for aerobic wastewater treatment.
从湖北省仙桃市农药厂附近长期被农药污染的土壤中分离到一株高效降解农药的菌株。将其命名为HS-MP13并进行了表征。结果表明,菌株HS-MP13在形态特征、生理生化特性和16S rDNA序列的系统发育分析上与蜡样芽孢杆菌最为相似。初步鉴定菌株HS-MP13为蜡样芽孢杆菌。在好氧反硝化条件下,测定了HS-MP13在初始浓度为10 mM (140 mg/L) NO3——N和初始浓度为100 mg/L MP的特殊培养基中对甲基对硫磷(MP)的降解能力和反硝化活性。12 h内硝酸盐和MP的降解率分别为77%和100%。这表明蜡样芽孢杆菌在好氧条件下具有降解MP和反硝化的双重作用,可能是好氧废水处理的良好候选者。
{"title":"Notice of RetractionBiodegradation of Organophosphorus Pesticide and Simultaneous Denitrification about Bacillus cereus","authors":"Y. Ni, Pan Wang, Junzhong Yang, Yongze Yuan, Li Xiong, Wenjing Xiao, Deli Liu, Xianfang Wen, Hailing Xi, Yongliang Zheng","doi":"10.1109/ICBBE.2011.5780800","DOIUrl":"https://doi.org/10.1109/ICBBE.2011.5780800","url":null,"abstract":"A strain degradating pesticide efficiently was isolated from the soil was long-term pesticide-contaminated near the pesticide factory of Xiantao City, Hubei Province. It was named as HS-MP13 and characterized. The results indicated that the HS-MP13 strain was most similar to Bacillus cereus based on the results of morphologic characteristics, physiological and biochemical properties and phylogenic analysis of 16S rDNA sequence. The strain HS-MP13 was identified as B. cereus preliminarily. Under aerobic denitrification conditions, we have determined the degradation capacity for methyl parathion (MP) and denitrifying activity of HS-MP13 in the special medium with an initial concentration of 10 mM (140 mg/L) NO3--N and an initial concentration of 100 mg/L MP. The degradation rates of nitrates and MP within 12 hours were found to be 77% and 100%, respectively. It indicated that B. cereus was able to act simultaneously degradation of MP and denitrification under aerobic conditions and it may be a good candidate for aerobic wastewater treatment.","PeriodicalId":6438,"journal":{"name":"2011 5th International Conference on Bioinformatics and Biomedical Engineering","volume":"20 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2011-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84596804","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Notice of RetractionModeling COD Distribution Based on Land-Sea Quasi-Simultaneous Monitoring of Jiaozhou Bay and Its Quantitative Assessment 基于胶州湾陆海准同步监测的COD分布反演及定量评价
Pub Date : 2011-05-10 DOI: 10.1109/ICBBE.2011.5780749
Xu-dong Qiao, Xiu-lin Wang, Shengkang Liang, Xiao-yong Shi, Keqiang Li
A numerical chemical oxygen demand (COD) transport and transformation model of Jiaozhou Bay was developed, which hydrodynamic sub-model was based on ECOM. The model was calibrated and confirmed using the quasi-simultaneous monitoring data over land runoffs and surface water of the bay in 2007. The simulations reproduced COD horizontal distributions under different input scenarios. The distribution was mainly influenced by Dagu River in Aug., where the isopleths decreased from the northwest to the bay mouth. The distribution was mostly affected by the external inputs from east in Nov., where the isopleths generally descended from the northeast. Relative standard deviation (RSD) and similarity index (SI) were applied to quantify the agreement between model and data distributions in term of magnitude and trend, respectively. Best fittings were achieved when the COD decay rate was 0.03 d-1 (RSD<;30%, SI>;0.8). RSD and SI provided objective and quantitative comparison of spatial maps, which could be used in the assessment of other numerical models.
建立了胶州湾化学需氧量(COD)运移转化数值模型,其中水动力子模型是基于ECOM的。利用2007年海湾陆地径流和地表水的准同步监测数据对模型进行了标定和验证。模拟重现了不同输入情景下COD的水平分布。8月主要受大沽河影响,从西北向湾口方向等面线逐渐减少。11月的分布主要受来自东部的外部输入影响,等值线总体上由东北方向下降。采用相对标准偏差(RSD)和相似指数(SI)分别量化模型与数据分布在量级和趋势上的一致性。当COD衰减率为0.03 d-1 (RSD;0.8)时,拟合效果最佳。RSD和SI提供了空间图的客观定量比较,可用于其他数值模式的评价。
{"title":"Notice of RetractionModeling COD Distribution Based on Land-Sea Quasi-Simultaneous Monitoring of Jiaozhou Bay and Its Quantitative Assessment","authors":"Xu-dong Qiao, Xiu-lin Wang, Shengkang Liang, Xiao-yong Shi, Keqiang Li","doi":"10.1109/ICBBE.2011.5780749","DOIUrl":"https://doi.org/10.1109/ICBBE.2011.5780749","url":null,"abstract":"A numerical chemical oxygen demand (COD) transport and transformation model of Jiaozhou Bay was developed, which hydrodynamic sub-model was based on ECOM. The model was calibrated and confirmed using the quasi-simultaneous monitoring data over land runoffs and surface water of the bay in 2007. The simulations reproduced COD horizontal distributions under different input scenarios. The distribution was mainly influenced by Dagu River in Aug., where the isopleths decreased from the northwest to the bay mouth. The distribution was mostly affected by the external inputs from east in Nov., where the isopleths generally descended from the northeast. Relative standard deviation (RSD) and similarity index (SI) were applied to quantify the agreement between model and data distributions in term of magnitude and trend, respectively. Best fittings were achieved when the COD decay rate was 0.03 d-1 (RSD<;30%, SI>;0.8). RSD and SI provided objective and quantitative comparison of spatial maps, which could be used in the assessment of other numerical models.","PeriodicalId":6438,"journal":{"name":"2011 5th International Conference on Bioinformatics and Biomedical Engineering","volume":"11 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2011-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78265869","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A Design of String Phantom Simulating Blood Flow 一种模拟血液流动的弦模设计
Pub Date : 2011-05-10 DOI: 10.1109/ICBBE.2011.5780317
Chenxuan Zhang, Jian Du, Q. Wen, Yuanyuan Chen
NA
{"title":"A Design of String Phantom Simulating Blood Flow","authors":"Chenxuan Zhang, Jian Du, Q. Wen, Yuanyuan Chen","doi":"10.1109/ICBBE.2011.5780317","DOIUrl":"https://doi.org/10.1109/ICBBE.2011.5780317","url":null,"abstract":"NA","PeriodicalId":6438,"journal":{"name":"2011 5th International Conference on Bioinformatics and Biomedical Engineering","volume":"52 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2011-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78287427","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
2011 5th International Conference on Bioinformatics and Biomedical Engineering
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