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A Novel Approach For Identification Of Exon Locations In DNA Sequences Using GLC Window 利用GLC窗口识别DNA序列外显子位置的新方法
Q4 Biochemistry, Genetics and Molecular Biology Pub Date : 2021-03-30 DOI: 10.46300/91011.2021.15.7
P. Kumari, J. Seventline
The application of signal processing techniques for identification of exons in Deoxyribonucleic acid (DNA) sequence is a challenging task. The objective of this paper is to introduce a combinational window approach for locating exons in DNA sequence. In contrast to the traditional single window function for evaluation of short time Fourier transform (STFT), this work proposes a novel method for evaluating STFT coefficients using a combinational window function comprising of Gaussian, Lanczos and Chebyshev (GLC) windows. The chosen combinational window GLC has the highest relative side lobe attenuation values compared to other window functions introduced by various researchers. The proposed algorithm incorporates GLC window function for evaluating STFT coefficients and in the design of FIR bandpass filter. Simulation results revealed its effectiveness in improving the evaluation parameters like Sensitivity, Specificity, Accuracy, Area under curve (AUC), Discrimination Measure (DM). Furthermore, the proposed algorithm has been applied successfully to some universal benchmark datasets like C. elegans, Homosapiens, etc., The proposed method has shown to be an efficient approach for the prediction of protein coding regions compared to other existing methods. All the simulations are done using the MATLAB 2016a.
应用信号处理技术鉴定脱氧核糖核酸(DNA)序列中的外显子是一项具有挑战性的任务。本文的目的是介绍一种组合窗口方法来定位DNA序列中的外显子。与传统的评估短时傅立叶变换(STFT)的单窗口函数不同,本工作提出了一种使用由高斯、Lanczos和Chebyshev(GLC)窗口组成的组合窗口函数评估STFT系数的新方法。与各种研究人员引入的其他窗口函数相比,所选择的组合窗口GLC具有最高的相对旁瓣衰减值。所提出的算法结合了GLC窗口函数来评估STFT系数,并用于FIR带通滤波器的设计。仿真结果表明,该方法在提高评价参数灵敏度、特异性、准确度、曲线下面积(AUC)、判别度(DM)等方面具有有效性。此外,该算法已成功应用于秀丽隐杆线虫、智人等通用基准数据集。与其他现有方法相比,该方法是预测蛋白质编码区的有效方法。所有的仿真都是使用MATLAB 2016a完成的。
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引用次数: 1
Analysis and Detection of Nephrolithiasis using Imaging Techniques 肾结石的影像学分析与检测
Q4 Biochemistry, Genetics and Molecular Biology Pub Date : 2021-02-17 DOI: 10.46300/91011.2021.15.6
Smiti Tripathy, R. Sivakumar, S. Nair, T. Inbamalar
Nephrolithiasis (kidney stone) is a disease which affects 7% of females and 11% of males at some stage in their life. Early identification of Nephrolithiasis is necessary to avoid complications. Imaging techniques form the basis for the detection of kidney stones and aid in locating the position, size, and the number of stones present in the renal structure. This paper reports an extensive analysis of recent trends in the detection of Nephrolithiasis using Imaging techniques. Since Computed Tomography (CT) and ultrasound imaging are commonly used in the medical field, analysis of both the methods is considered in this paper. The detailed study on various methodologies and algorithms that have been adopted on CT and ultrasound images in recent years in locating kidney stones, finding the exact size of the stones based on pixel count, enhancing image quality, obtaining better de-speckling, faster segmentation, and pre-processing of the renal images has been carried out. Based on the analysis, an artificial intelligence-based approach is proposed that will aid the medical practitioner for faster, accurate detection of Nephrolithiasis and a technique to reduce the exposure of radiation in Computed Tomography Imaging. Further, it is concluded that ultrasound techniques can be employed subsequently for preliminary diagnosis through CT if the medical practitioner recommends.
肾结石(肾结石)是一种在生命的某个阶段影响7%的女性和11%的男性的疾病。早期发现肾结石是避免并发症的必要条件。成像技术是检测肾结石的基础,有助于定位肾结构中结石的位置、大小和数量。本文广泛分析了近年来应用影像学技术检测肾结石的趋势。由于计算机断层扫描(CT)和超声成像在医学领域中很常用,本文考虑对这两种方法进行分析。对近年来在CT和超声图像上采用的各种方法和算法进行了详细研究,这些方法和算法用于定位肾结石,根据像素计数找到结石的确切大小,提高图像质量,获得更好的去斑点、更快的分割和预处理肾图像。基于分析,提出了一种基于人工智能的方法,该方法将帮助医生更快、准确地检测肾结石,并提供一种减少计算机断层扫描成像中辐射暴露的技术。此外,得出的结论是,如果医生建议,超声技术可以随后通过CT进行初步诊断。
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引用次数: 0
Swine Ultrasonography Numerical Modeling for Pregnancy Diagnosis and Prediction of Litter Size 猪超声数值模拟妊娠诊断及产仔数预测
Q4 Biochemistry, Genetics and Molecular Biology Pub Date : 2021-02-10 DOI: 10.46300/91011.2021.15.5
Konstantinos Kousenidis, I. Giantsis, E. Karageorgiou, M. Avdi
Early and reliable diagnosis of pregnancy in sows is considered one of the most crucial parameters for the proper management in pig farming. Reproductive activity of the sows is directly correlated with the overall productivity of the enterprise. The best and most precise methodology to diagnose pregnancy in farm animals, including pigs, is ultrasonography. For getting optimal outputs of real-time ultrasonography application in pigs, both gestation status and litter size of sows is of high importance. Hence, a detailed evaluation and careful reading of the retrieved ultrasonic image could serve to the prediction of the sow’s litter size, providing valuable information to the producer. In the present article we studied the ultrasonic typification of sows in an effort to develop a methodology for the precise pregnancy diagnosis and the prediction of the litter size. To achieve this goal, 1214 matings and 1010 pregnancies were recorded and evaluated over a period of 20 months, in a pig unit in Northern Greece. Two thorough scans were performed on each sow, classifying the ultrasonic image in a scale of 0 to 10, 0 being ‘non pregnant’ and 10 given to the most reassuring image of pregnancy. Evaluations took place in a wide range of time since mating, hence between days 16 (the earliest first scan) and 68 (the latest that a second scan was performed) and the mean values obtained were 8,36 and 8,83 for the first and second scan respectively. Furthermore, the litter size of each subsequent parturition was recorded (mean: 12.22) and correlated to the score of each of the two scans performed during pregnancy. The results showed that more reassuring images and higher scores for both examinations of pregnancy were achieved with increasing time interval from mating (P<0.05). It is therefore suggested that a detailed real-time ultrasonic scanning, can provide a very useful tool, not only for pregnancy diagnosis, but also for the prediction of litter size and eventually the precise management of pregnant sows.
母猪妊娠的早期可靠诊断被认为是养猪业正确管理的最关键参数之一。母猪的繁殖活动与企业的整体生产力直接相关。诊断包括猪在内的农场动物怀孕的最佳和最精确的方法是超声波检查。为了获得猪实时超声应用的最佳输出,母猪的妊娠状态和产仔数都非常重要。因此,对检索到的超声波图像进行详细评估和仔细阅读可以有助于预测母猪的产仔数,为生产者提供有价值的信息。在本文中,我们研究了母猪的超声分型,试图开发一种精确诊断妊娠和预测产仔数的方法。为了实现这一目标,在希腊北部的一个养猪场,在20个月的时间里记录和评估了1214次交配和1010次妊娠。对每头母猪进行两次彻底扫描,将超声波图像分为0到10级,0级为“未怀孕”,10级为最令人放心的怀孕图像。评估在交配后的很长一段时间内进行,因此在第16天(最早的第一次扫描)和第68天(最晚进行第二次扫描)之间,第一次和第二次的平均值分别为8,36和8,83。此外,记录每次后续分娩的产仔数(平均值:12.22),并与妊娠期间进行的两次扫描的得分相关。结果表明,随着交配时间间隔的增加,妊娠的两项检查都获得了更令人放心的图像和更高的分数(P<0.05)。因此,详细的实时超声扫描不仅可以为妊娠诊断提供非常有用的工具,而且还用于预测产仔数并最终精确管理怀孕母猪。
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引用次数: 5
Obesity and Lifestyle Indicators Impact on Obstetric Complications and Fetal Outcome in North Lebanon Population 肥胖和生活方式指标对北黎巴嫩人口产科并发症和胎儿结局的影响
Q4 Biochemistry, Genetics and Molecular Biology Pub Date : 2021-01-11 DOI: 10.46300/91011.2021.15.3
Mayssa A. Traboulsi, A. Boussaid, Zainab El Alaoui Talibi
Worldwide, obesity has been shown to negatively affect women especially during pregnancy. In this work, a retrospective cohort study for 1308 women, who gave birth between 2014 and 2016 in public and private hospitals, was conducted to evaluate the impact of weight, demographic and lifestyle indicators on many pregnancy and fetal outcomes in Northern Lebanon. The frequent health complications related to pregnancy were cesarean-section (31.1%) followed by post-hemorrhage (25.1%), induced labor (23.5%) and macrosomia (11.4%). Multivariate analysis showed that the main complications were highly correlated to obesity, macrosomia, weight gain, multiparity and mother’s age. High values from adjusted odds ratios were mainly associated to obesity, multiparity and weight gain. Obese pregnant women had a significant increased risk of having cesarean-section (p<0.001), preeclampsia (p<0.0001), labor induction (p<0.0001) and postpartum hemorrhage (p<0.0001). Adverse fetal outcomes such as macrosomia were also correlated with high BMI (p<0.0001). The risk was even greater for multiparous, older women that carried excessive weight gain. There is therefore a need to increase awareness among the target population and encourage prevention of the dangers related to obesity and weight gain.
在世界范围内,肥胖已被证明会对女性产生负面影响,尤其是在怀孕期间。在这项工作中,对2014年至2016年期间在公立和私立医院分娩的1308名妇女进行了回顾性队列研究,以评估体重、人口统计学和生活方式指标对黎巴嫩北部许多妊娠和胎儿结局的影响。妊娠并发症发生率最高的是剖宫产(31.1%),其次是大出血(25.1%)、引产(23.5%)和巨大儿(11.4%)。多因素分析显示,主要并发症与肥胖、巨大儿、体重增加、多胎及母亲年龄高度相关。校正优势比的高值主要与肥胖、多胎和体重增加有关。肥胖孕妇发生剖宫产(p<0.001)、子痫前期(p<0.0001)、引产(p<0.0001)和产后出血(p<0.0001)的风险显著增加。巨大儿等不良胎儿结局也与高BMI相关(p<0.0001)。对于多胎高龄、体重增加过多的女性来说,这种风险甚至更大。因此,有必要提高目标人群的认识,并鼓励预防与肥胖和体重增加有关的危险。
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引用次数: 1
The Effect of Bintaro (Cerbera manghas) Leaf Extract on Transmission of Aphids (Homoptera) in Chili (Capsicum annuum) Plants 滨芋叶提取物对辣椒(Capsicum annuum)同翅目蚜虫传播的影响
Q4 Biochemistry, Genetics and Molecular Biology Pub Date : 2020-12-24 DOI: 10.46300/91011.2020.14.31
Achmadi Susilo, D. Haryanta, Tatuk Tojibatus Sa’adah
One of the threats in the cultivation of chili is the presence of aphids attack.The study aims to determine the effect of bintaro / (Cerbera manghas)leaf extract spraying as a bio-pesticide on the transmission patterns of aphids in chili plants.The experimental method refers to the Painter resistance test(Painter, 1951). Factorial experiment with factor I treatment was the concentration of bintaro leaf extract with six levels namely 0.0% concentration; 2.5%concentration; 5.0%concentration; 7.5%concentration; 10.0%concentration; and 12.5%concentration. Factor II treatment was the frequency of spraying namely F1 sprayed once a week (sunday), and F2 is sprayed twice a week (Sunday and Wednesday). Overall there are 12 treatment combinations. The experimental unit is a polybag planted by one stem of chili per polybag so that it requires 60 plant polybags, carried out in a controlled field from the presence of other animals by covering it with a mosquito net. In the inside of the lid of mosquito net is infested with chili plants which are attacked by aphids. Source of inoculum of one plant stem attacked by aphids for each containment/lid (each experimental group).The number of insects that transmitted to the treatment plants was observed every two days or before spraying, while the damage to plants at the end of the experiment. The results showed that there were two types of aphids that attacked the inoculum source plant namely Bemesia tabaci (whitefly) and Aphis gossypii (Aphid) and there were symbionts in the form of black ants (Dolichoderus thoracicus Smith). Transmission occurs since one day after infestation. Population density of the three insect species in each treatment was significantly different, there was an interaction between treatment concentrations with the frequency of bintaro leaf extract spraying, but the density was not consistent from one observation to the next. Plant damage occurs in all plants and the frequency of spraying can reduce damage to the chili plants.
辣椒种植中的威胁之一是蚜虫的攻击。本研究旨在确定滨芋头/(Cerbera manghas)叶提取物作为生物农药喷洒对辣椒植株蚜虫传播模式的影响。实验方法参考了Painter电阻测试(Painter,1951)。因子I处理的因子实验是滨芋叶提取物的浓度,有六个水平,即0.0%的浓度;2.5%浓度;5.0%浓度;7.5%浓度;10.0%浓度;因子II处理是喷洒频率,即F1每周喷洒一次(周日),F2每周喷洒两次(周日和周三)。总共有12种治疗组合。实验单元是一个塑料袋,每个塑料袋种植一根辣椒茎,因此需要60个植物塑料袋,在有其他动物在场的情况下,用蚊帐覆盖,在受控的田地里进行。蚊帐的盖子里面长满了辣椒,这些辣椒被蚜虫攻击。每个容器/盖子(每个实验组)的一个被蚜虫攻击的植物茎的接种物来源。每两天或喷洒前观察一次传播到处理植物的昆虫数量,而在实验结束时观察对植物的损害。结果表明,有两种类型的蚜虫攻击接种源植物,即烟粉虱(Bemesia tabaci)和棉蚜(Aphid),并以黑蚂蚁(Dolichoderus thoracicus Smith)的形式存在共生体。感染后一天开始传播。三种昆虫在每次处理中的种群密度显著不同,处理浓度与滨芋叶提取物喷洒频率之间存在相互作用,但密度从一次观察到下一次观察并不一致。植物损伤发生在所有植物中,喷洒的频率可以减少对辣椒植物的损伤。
{"title":"The Effect of Bintaro (Cerbera manghas) Leaf Extract on Transmission of Aphids (Homoptera) in Chili (Capsicum annuum) Plants","authors":"Achmadi Susilo, D. Haryanta, Tatuk Tojibatus Sa’adah","doi":"10.46300/91011.2020.14.31","DOIUrl":"https://doi.org/10.46300/91011.2020.14.31","url":null,"abstract":"One of the threats in the cultivation of chili is the presence of aphids attack.The study aims to determine the effect of bintaro / (Cerbera manghas)leaf extract spraying as a bio-pesticide on the transmission patterns of aphids in chili plants.The experimental method refers to the Painter resistance test(Painter, 1951). Factorial experiment with factor I treatment was the concentration of bintaro leaf extract with six levels namely 0.0% concentration; 2.5%concentration; 5.0%concentration; 7.5%concentration; 10.0%concentration; and 12.5%concentration. Factor II treatment was the frequency of spraying namely F1 sprayed once a week (sunday), and F2 is sprayed twice a week (Sunday and Wednesday). Overall there are 12 treatment combinations. The experimental unit is a polybag planted by one stem of chili per polybag so that it requires 60 plant polybags, carried out in a controlled field from the presence of other animals by covering it with a mosquito net. In the inside of the lid of mosquito net is infested with chili plants which are attacked by aphids. Source of inoculum of one plant stem attacked by aphids for each containment/lid (each experimental group).The number of insects that transmitted to the treatment plants was observed every two days or before spraying, while the damage to plants at the end of the experiment. The results showed that there were two types of aphids that attacked the inoculum source plant namely Bemesia tabaci (whitefly) and Aphis gossypii (Aphid) and there were symbionts in the form of black ants (Dolichoderus thoracicus Smith). Transmission occurs since one day after infestation. Population density of the three insect species in each treatment was significantly different, there was an interaction between treatment concentrations with the frequency of bintaro leaf extract spraying, but the density was not consistent from one observation to the next. Plant damage occurs in all plants and the frequency of spraying can reduce damage to the chili plants.","PeriodicalId":53488,"journal":{"name":"International Journal of Biology and Biomedical Engineering","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47720418","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
Repelence of Bintaro Plant Extract (Cerbera Manghas) Against Pod-sucking Insects (Riptortus Linearis) (Hemiptera) 滨芋头植物提取物(Cerbera Manghas)对足类昆虫(Riptotus Linearis)的驱避作用(半翅目)
Q4 Biochemistry, Genetics and Molecular Biology Pub Date : 2020-12-14 DOI: 10.46300/91011.2020.14.30
D. Haryanta, Achmadi Susilo, Tatuk Tojibatus Sa’adah
The mechanism of the organic pesticides of Bintaro plant extract (Cerbera manghas) in reducing the insect pest population needs to be continuously studied. The study aims to determine the Repelence (ability to resist) of bintaro plant extracts against brown ladybugs (Riptortus linearis). The factorial experiment with the first-factor treatment was extracted Bintaro plant organs, namely leaf extract, stem bark extract, fruit pulp extract and bintaro seed extract, while the second treatment factor was the extract concentration (w/v), namely a concentration of 2,5%, a concentration of 7,5%, and a concentration of 12,5%. The experimental variables were the chemical compound content of each Bintaro plant part extract, insect mortality, length of each instar and stadia, and development into the next instar or stadia. The research results showed that Bintaro plants (leaves, fruit, seeds and bark) contain ingredients that can be used as organic pesticides. Bintaro plant extract has an effect on the mortality and development of Riptortus linearis insects. The results of the Bintaro plant extract test on the mortality and development of Riptortus linearis insects are less significant if it will be used to suppress the population, but the application of organic pesticides in the field is proven to be able to suppress the population, reduce the level of crop damage and increase crop production.
Bintaro植物提取物(Cerbera manghas)的有机农药减少害虫种群的机制需要不断研究。本研究旨在确定滨芋头植物提取物对褐瓢虫(Riptotus linearis)的排斥力(抵抗力)。第一因子处理的析因实验提取的是滨芋头植物器官,即叶提取物、茎皮提取物、果肉提取物和滨芋头种子提取物,而第二因子处理的是提取物浓度(w/v),即浓度为2,5%、浓度为7,5%和浓度为12,5%。实验变量为每种滨芋头植物部分提取物的化合物含量、昆虫死亡率、每龄和成虫期的长度以及发育到下一龄或成虫期。研究结果表明,滨芋头植物(叶子、果实、种子和树皮)中含有可以用作有机农药的成分。Bintaro植物提取物对直线龟昆虫的死亡率和发育有影响。如果将Bintaro植物提取物用于抑制种群,则对Riptotus linearis昆虫的死亡率和发育的宾塔罗植物提取物测试结果不那么显著,但事实证明,在田间施用有机农药能够抑制种群,降低作物损害水平,提高作物产量。
{"title":"Repelence of Bintaro Plant Extract (Cerbera Manghas) Against Pod-sucking Insects (Riptortus Linearis) (Hemiptera)","authors":"D. Haryanta, Achmadi Susilo, Tatuk Tojibatus Sa’adah","doi":"10.46300/91011.2020.14.30","DOIUrl":"https://doi.org/10.46300/91011.2020.14.30","url":null,"abstract":"The mechanism of the organic pesticides of Bintaro plant extract (Cerbera manghas) in reducing the insect pest population needs to be continuously studied. The study aims to determine the Repelence (ability to resist) of bintaro plant extracts against brown ladybugs (Riptortus linearis). The factorial experiment with the first-factor treatment was extracted Bintaro plant organs, namely leaf extract, stem bark extract, fruit pulp extract and bintaro seed extract, while the second treatment factor was the extract concentration (w/v), namely a concentration of 2,5%, a concentration of 7,5%, and a concentration of 12,5%. The experimental variables were the chemical compound content of each Bintaro plant part extract, insect mortality, length of each instar and stadia, and development into the next instar or stadia. The research results showed that Bintaro plants (leaves, fruit, seeds and bark) contain ingredients that can be used as organic pesticides. Bintaro plant extract has an effect on the mortality and development of Riptortus linearis insects. The results of the Bintaro plant extract test on the mortality and development of Riptortus linearis insects are less significant if it will be used to suppress the population, but the application of organic pesticides in the field is proven to be able to suppress the population, reduce the level of crop damage and increase crop production.","PeriodicalId":53488,"journal":{"name":"International Journal of Biology and Biomedical Engineering","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49541064","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: 2
Sum of Sine Modeling Approach as a New Processing Technique For a Biometric System Based on ECG Signal 正弦求和建模方法作为一种新的心电信号生物识别处理技术
Q4 Biochemistry, Genetics and Molecular Biology Pub Date : 2020-12-09 DOI: 10.46300/91011.2020.14.27
Biometrics is considered in current research as one of the best methods for authenticating human beings. In our paper, the heartbeat biometric, also called Electrocardiographic (ECG), is working on. This biometric is chosen because human ECGs cannot be falsely created and replicated. This study aims to find the best features from this biometric that can identify a person, given the extractions and classification algorithms for the heartbeat biometric signal. Depending on a literature study we work to propose a new and more efficient technique based on a new method for ECG features extraction and these features will be the inputs for pattern recognition classifier. This methodology will be tested on real experimental ECG data that is collected. The Data collected from 10 subjects by a commercial ECG device taking the data from lead 1. The pre-processing steps start with the Empirical Mode Decomposition (EMD) before digital filters which are: low pass, high pass, and derivative pass filters. Features extraction steps are peak detection, segmentation, and wave modeling for each segment. The classification used the Multi-Layer Perceptron and compared it to classification using Radial Basis Function were the results of MLP were much better for these applications since the accuracy of the final results of MLP is 99% and that related to the RBF is 95%.
生物识别技术在目前的研究中被认为是验证人类身份的最佳方法之一。在我们的论文中,心跳生物测量,也被称为心电图(ECG),正在研究。之所以选择这种生物特征,是因为人类脑电图不能被错误地创造和复制。本研究的目的是在给定心跳生物特征信号的提取和分类算法的情况下,从这种生物特征中找到可以识别一个人的最佳特征。在文献研究的基础上,我们提出了一种新的更有效的心电特征提取方法,并将这些特征作为模式识别分类器的输入。该方法将在收集的真实实验心电数据上进行测试。采用商用心电图仪从导联1处采集10例受试者的数据。预处理步骤从数字滤波器之前的经验模式分解(EMD)开始,这些滤波器是:低通,高通和导数通滤波器。特征提取步骤是峰检测、分割和每个片段的波建模。使用多层感知器进行分类,并将其与使用径向基函数进行分类进行比较,MLP的结果在这些应用中要好得多,因为MLP最终结果的准确率为99%,而与RBF相关的准确率为95%。
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引用次数: 1
An Agent-based Simulation of the SIRD model of COVID-19 Spread 新冠肺炎传播SIRD模型的代理仿真
Q4 Biochemistry, Genetics and Molecular Biology Pub Date : 2020-12-09 DOI: 10.46300/91011.2020.14.28
N. I. Alsaeed, E. Alqaissi, M. A. Siddiqui
The COVID-19 pandemic has resulted in more than a million deaths worldwide and wreaked havoc on world economies. SARS-CoV-2, the virus that causes COVID-19, belongs to a family of coronaviruses that have appeared in the past; however, this virus has been proven to be more lethal and have a much higher infection rate than coronaviruses that have previously emerged. Vaccines for COVID-19 are still in development phases, with limited deployment, and the most effective response to the pandemic has been to adopt social distancing and, in extreme cases, complete lockdown. This paper adopts a modified SIRD (Susceptible, Infectious, Recovered, Deaths) disease spread model for COVID-19 and utilizes agent-based simulation to obtain the number of infections in four different scenarios. The simulated scenarios utilized different contact rates in order to identify their effects on disease spread. Our results confirmed that not taking strict precautionary procedures to prohibit human interactions will lead to increased infections and deaths, adversely affecting countries’ healthcare infrastructure. The model is flexible, and other studies can use it to measure other parameters discovered in the future.
新冠肺炎大流行已导致全球100多万人死亡,并对世界经济造成严重破坏。导致新冠肺炎的SARS-CoV-2病毒属于过去出现的冠状病毒家族;然而,这种病毒已被证明比以前出现的冠状病毒更致命,感染率也高得多。新冠肺炎疫苗仍处于开发阶段,部署有限,应对疫情的最有效措施是保持社交距离,在极端情况下,完全封锁。本文采用改良的新冠肺炎SIRD(易感、传染性、康复、死亡)疾病传播模型,并利用基于代理的模拟来获得四种不同情景下的感染人数。模拟场景利用不同的接触率来确定其对疾病传播的影响。我们的研究结果证实,不采取严格的预防程序来禁止人类互动将导致感染和死亡增加,对各国的医疗基础设施产生不利影响。该模型是灵活的,其他研究可以使用它来测量未来发现的其他参数。
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引用次数: 7
The Response of Eggplant (Solanum Melongena L.) Growth Planted on Raised-Bog Peatland towards the Provision of Chicken Dung and Swallow Guano 茄子(Solanum Melongena L.)的反应沼地泥炭地种植对提供鸡粪和燕子鸟粪的影响
Q4 Biochemistry, Genetics and Molecular Biology Pub Date : 2020-12-03 DOI: 10.46300/91011.2020.14.25
Hariyadi
—Eggplant (Solanum Melongena L.) is one of the agricultural commodities needed and a kind of vegetables favored because it is not only good in the taste, it also contains potassium and vitamin A which can be beneficial for the body. Eggplant production in Indonesia is low, but the need is high. So it is necessary to increase production, one of them is conducting agricultural extensification. Agricultural extensification can be carried out on land that has not been used properly, such as raised-bog peatland. On the other hand, raised-bog peatland is marginal land that is poor in nutrients and acidic in nature, so that the condition of the peatland is not supportive for plant growth. Therefore, it is necessary to add organic materials such as chicken dung and swallow guano to support the growth and yield of eggplant on raised-bog peatland. The purpose of this study was to determine the effect of chicken dung and swallow guano and their interaction on the yield of eggplant (Solanum Melongena L.) in the raised-bog peatland. This research used a group-randomized design (GRD) with 2 factors: chicken dung and swallow guano as fertilizer with 3 equal levels (a1/w1 = 5 tons/ha; a2/w2 = 10 tons/ha; a3/w3 = 15 tons/ha). The parameter observed and measured were the yield of eggplant. The results showed that the single use of swallow guano as fertilizer had a significant effect on fruit diameter and length, the quantity of fruit for each plant, the average weight of fresh fruit, fruit weight for each plant, and fruit weight for each hectare. On the other hand, the use of chicken dung as fertilizer had a significant effect on the number of fruit per plant, fruit weight per plant, and fruit weight per hectare. The results showed that the best eggplant yield component was obtained from the addition of swallow guano fertilizer at a dose of 15 t ha-1, namely resulted in a fruit weight per plant of 541,14 g tan-1 and a total fruit weight per ha of 12,88 t ha-1. Whereas in chicken dung fertilizer treatment, the most optimum dose is 10 t ha1 which can produce eggplant fruit weight per plant of 531,56 g tan-1 and 12,66 t ha-1 in total eggplant fruit weight per ha.
-茄子(Solanum Melongena L.)是一种必需的农产品,也是一种受欢迎的蔬菜,因为它不仅味道好,而且含有钾和维生素a,对身体有益。印度尼西亚的茄子产量很低,但需求量很大。因此,必须提高产量,其中之一就是进行农业推广。农业推广可以在没有得到合理利用的土地上进行,例如抬高的沼泽泥炭地。另一方面,抬高沼泽泥炭地是边缘土地,营养贫乏,性质酸性,因此泥炭地的条件不支持植物生长。因此,有必要在沼地上添加鸡粪、燕子粪等有机物质来支持茄子的生长和产量。本研究旨在研究鸡粪和吞咽鸟粪及其互作对高沼泽泥炭地茄子产量的影响。本研究采用2因素组随机设计(GRD):鸡粪和燕子鸟粪作为肥料,3个水平相等(a1/w1 = 5 t /ha;A2 /w2 = 10吨/公顷;A3 /w3 = 15吨/公顷)。所观察和测定的参数为茄子的产量。结果表明,单施燕子鸟粪对果实直径和长度、单株果数、鲜果平均重、单株果重、每公顷果重均有显著影响。另一方面,鸡粪施肥对单株果数、单株果重和每公顷果重均有显著影响。结果表明,添加15 tha -1的燕子鸟粪肥对茄子产量的影响最大,单株果重为541.14 g tan-1,每公顷总果重为12.88 tha -1。而在鸡粪肥处理中,最适用量为10 t ha1,可使茄子单株果重达到531 56 g tan-1,总果重达到12.66 t ha-1。
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引用次数: 2
The Effectiveness Of Video-Online Education On Cadres’ Knowledge And Attitude About The Importance Of Human Immunodeficiency Virus (HIV) Testing In Public Health Center 视频网络教育对干部对公共卫生中心人体免疫缺陷病毒(HIV)检测重要性的认识和态度的有效性
Q4 Biochemistry, Genetics and Molecular Biology Pub Date : 2020-12-03 DOI: 10.46300/91011.2020.14.26
— HIV education and tests are the main entrance for prevention, care and treatment support. Video as an educational tool, convey clear, consistent, and unbiased information while easy to use, effective as face-to-face interactions, yet, online-video has never been used in previous studies regardless of its easy-dissemination. Therefore, health cadres hold important tasks in educating people about the importance of HIV. To determine onlinevideo effectiveness on knowledge increment and cadres’ attitude toward HIV testing importance in Public Health Centers. This study used a cross-sectional method with one group pretest and posttest models. The research sample was 50 HIV cadres using a total sampling technique. Data were analyzed using McNemar test to determine the comparison between pretest and posttest of knowledge and attitude variables. Research findings that before and after the intervention was carried out, there were differences in the results on the knowledge and attitude variables. Based on the McNemar test for the variables of knowledge and attitudes obtained significant results (p = 0.00). This research concludes that o nline-video is effective in increasing knowledge and attitudes of HIV cadres toward the importance of HIV testing in Public Health Centers. In addition, it is necessary to have a combination of other interventions (FGD, flip sheets, counseling, leaflets) using a cohort or RCT method with a larger sample
--艾滋病毒教育和检测是预防、护理和治疗支持的主要入口。视频作为一种教育工具,传达清晰、一致和无偏见的信息,同时易于使用,与面对面的互动一样有效,然而,尽管在线视频易于传播,但在以前的研究中从未使用过。因此,卫生干部肩负着教育人们认识艾滋病毒重要性的重要任务。确定公共卫生中心在线视频对知识增长的有效性和干部对艾滋病毒检测重要性的态度。本研究采用了一组前测和后测模型的横断面方法。研究样本为50名艾滋病干部,采用全面抽样技术。使用McNemar检验对数据进行分析,以确定知识和态度变量的前测和后测之间的比较。研究发现,干预前后,在知识和态度变量上的结果存在差异。基于McNemar检验的知识和态度变量获得了显著的结果(p=0.00)。本研究得出结论,在线视频可以有效地提高艾滋病干部对公共卫生中心艾滋病检测重要性的认识和态度。此外,有必要结合其他干预措施(FGD、活页夹、咨询、传单),使用队列或随机对照试验方法对更大的样本进行干预
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International Journal of Biology and Biomedical Engineering
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