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  1. Article ; Online: Automatic text summarization based on extractive-abstractive method

    Md. Ahsan Habib / Romana Rahman Ema / Tajul Islam / Md. Yasir Arafat / Mahedi Hasan

    Радіоелектронні і комп'ютерні системи, Vol 0, Iss 2, Pp 5-

    2023  Volume 17

    Abstract: The choice of this study has a significant impact on daily life. In various fields such as journalism, academia, business, and more, large amounts of text need to be processed quickly and efficiently. Text summarization is a technique used to generate a ... ...

    Abstract The choice of this study has a significant impact on daily life. In various fields such as journalism, academia, business, and more, large amounts of text need to be processed quickly and efficiently. Text summarization is a technique used to generate a precise and shortened summary of spacious texts. The generated summary sustains overall meaning without losing any information and focuses on those parts that contain useful information. The goal is to develop a model that converts lengthy articles into concise versions. The task to be solved is to select an effective procedure to develop the model. Although the present text summarization models give us good results in many recognized datasets such as cnn/daily- mail, newsroom, etc. All the problems can not be resolved by these models. In this paper, a new text summarization method has been proposed: combining the Extractive and Abstractive Text Summarization technique. In the extractive-based method, the model generates a summary using Sentence Ranking Algorithm and passes this generated summary through an abstractive method. When using the sentence ranking algorithm, after rearranging the sentences, the relationship between one sentence and another sentence is destroyed. To overcome this situation, Pronoun to Noun conversion has been proposed with the new system. After generating the extractive summary, the generated summary is passed through the abstractive method. The proposed abstractive model consists of three pre-trained models: google/pegusus-xsum, face-book/bart-large-cnn model, and Yale-LILY/brio-cnndm-uncased, which generates a final summary depending on the maximum final score. The following results were obtained: experimental results on CNN/daily-mail dataset show that the proposed model obtained scores of ROUGE-1, ROUGE-2 and ROUGE-L are respectively 42.67 %, 19.35 %, and 39.57 %. Then, the result has been compared with three state-of-the-art methods: JEANS, DEATS and PGAN-ATSMT. The results outperform state-of-the-art models. Experimental results ...
    Keywords text summarization ; extractive summarization ; abstractive summarization ; sentence ranking algorithm ; text generation ; noun pronoun conversion ; Computer engineering. Computer hardware ; TK7885-7895 ; Electronic computers. Computer science ; QA75.5-76.95
    Subject code 410
    Language English
    Publishing date 2023-05-01T00:00:00Z
    Publisher National Aerospace University «Kharkiv Aviation Institute»
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Article ; Online: Utility of multiplex real-time polymerase chain reaction for the detection of bacteria from sputum samples of community acquired pneumonia patients

    Sonia Afroz / Fatema Mohammad Alam / Rafique Us Saleheen / Md Yasir Arafat / Rupash Paul / Aysha Khatun / Khandaker Md. Tasnim Sajid / Abu Naser Ibne Sattar / Md Ruhul Amin Miah

    Bangabandhu Sheikh Mujib Medical University Journal, Vol 16, Iss

    A study from Dhaka, Bangladesh

    2023  Volume 1

    Abstract: Background: This study was carried out to evaluate the utility of multiplex real-time polymerase chain reaction (PCR) to identify the common bacterial agents of community acquired pneumonia (CAP). Methods: Sputum and blood samples were collected from 80 ... ...

    Abstract Background: This study was carried out to evaluate the utility of multiplex real-time polymerase chain reaction (PCR) to identify the common bacterial agents of community acquired pneumonia (CAP). Methods: Sputum and blood samples were collected from 80 clinically suspected CAP patients in three tertiary-level hospitals in Dhaka city. Multiplex real-time PCR assay was carried out to simultaneously detect five common bacterial agents of CAP; Streptococcus pneumoniae, Haemophilus influenzae, Mycoplasma pneumoniae, Chlamydophila pneumoniae, and Legionella pneumophila. Routine microbiological methods and serology were carried out. The results of PCR were compared with culture, Gram stain and serology. Results: Among the 80 patients, sputum samples of 35 (43.7%) patients were positive by PCR, of which the most commonly detected bacteria were S. pneumoniae (25/35, 71.4%), followed by H. influenzae (9/35, 25.7%) and L. pneumophila (1/35, 2.9%). All 80 sputum samples were negative for both M. pneumoniae and C. pneumoniae by PCR. Out of the 26 culture positive sputum samples, 8 (30.7%) were positive for S. pneumoniae and 1 (3.8%) was positive for H. influenzae. Among the 52 Gram stain valid sputum samples, 24 (46.1%) were S. pneumoniae and 7 (13.5%) were H. influenzae. By serology, out of the 80 cases, M. pneumoniae was detected in 32 (40%) and C. pneumoniae in 24 (30%) of cases. Mixed infections comprised of 38.8% (31/80) cases. Conclusion: Multiplex real-time PCR is useful for the rapid and simultaneous detection of bacterial pathogens of CAP in sputum and can help support traditional laboratory methods for the accurate diagnosis of CAP patients. Bangabandhu Sheikh Mujib Medical University Journal 2023;16(1): 17-25
    Keywords multiplex real-time PCR ; community acquired pneumonia ; Streptococcus pneumoniae ; Haemophilus influenzae ; Mycoplasma pneumoniae ; Chlamydophila pneumoniae ; Legionella pneumophila ; Medicine ; R
    Subject code 572
    Language English
    Publishing date 2023-04-01T00:00:00Z
    Publisher Bangabandhu Sheikh Mujib Medical University
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Article ; Online: Utility of multiplex real-time polymerase chain reaction for the detection of bacteria from sputum samples of community acquired pneumonia patients

    Sonia Afroz / Fatema Mohammad Alam / Rafique Us Saleheen / Md Yasir Arafat / Rupash Paul / Aysha Khatun / Khandaker Md. Tasnim Sajid / Abu Naser Ibne Sattar / Md Ruhul Amin Miah

    Bangabandhu Sheikh Mujib Medical University Journal, Vol 16, Iss

    A study from Dhaka, Bangladesh

    2023  Volume 1

    Abstract: Background: This study was carried out to evaluate the utility of multiplex real-time polymerase chain reaction (PCR) to identify the common bacterial agents of community acquired pneumonia (CAP). Methods: Sputum and blood samples were collected from 80 ... ...

    Abstract Background: This study was carried out to evaluate the utility of multiplex real-time polymerase chain reaction (PCR) to identify the common bacterial agents of community acquired pneumonia (CAP). Methods: Sputum and blood samples were collected from 80 clinically suspected CAP patients in three tertiary-level hospitals in Dhaka city. Multiplex real-time PCR assay was carried out to simultaneously detect five common bacterial agents of CAP; Streptococcus pneumoniae, Haemophilus influenzae, Mycoplasma pneumoniae, Chlamydophila pneumoniae, and Legionella pneumophila. Routine microbiological methods and serology were carried out. The results of PCR were compared with culture, Gram stain and serology. Results: Among the 80 patients, sputum samples of 35 (43.7%) patients were positive by PCR, of which the most commonly detected bacteria were S. pneumoniae (25/35, 71.4%), followed by H. influenzae (9/35, 25.7%) and L. pneumophila (1/35, 2.9%). All 80 sputum samples were negative for both M. pneumoniae and C. pneumoniae by PCR. Out of the 26 culture positive sputum samples, 8 (30.7%) were positive for S. pneumoniae and 1 (3.8%) was positive for H. influenzae. Among the 52 Gram stain valid sputum samples, 24 (46.1%) were S. pneumoniae and 7 (13.5%) were H. influenzae. By serology, out of the 80 cases, M. pneumoniae was detected in 32 (40%) and C. pneumoniae in 24 (30%) of cases. Mixed infections comprised of 38.8% (31/80) cases. Conclusion: Multiplex real-time PCR is useful for the rapid and simultaneous detection of bacterial pathogens of CAP in sputum and can help support traditional laboratory methods for the accurate diagnosis of CAP patients. Bangabandhu Sheikh Mujib Medical University Journal 2023;16(1): 17-25
    Keywords multiplex real-time PCR ; community acquired pneumonia ; Streptococcus pneumoniae ; Haemophilus influenzae ; Mycoplasma pneumoniae ; Chlamydophila pneumoniae ; Legionella pneumophila ; Medicine ; R
    Subject code 572
    Language English
    Publishing date 2023-04-01T00:00:00Z
    Publisher Bangabandhu Sheikh Mujib Medical University
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  4. Article ; Online: Effect of Agricultural Organic Inputs on Nanoplastics Transport in Saturated Goethite-Coated Porous Media: Particle Size Selectivity and Role of Dissolved Organic Matter.

    Ma, Jie / Qiu, Yan / Zhao, Junying / Ouyang, Xiaoxue / Zhao, Yujie / Weng, Liping / Md Yasir, Arafat / Chen, Yali / Li, Yongtao

    Environmental science & technology

    2022  Volume 56, Issue 6, Page(s) 3524–3534

    Abstract: The transport of nanoplastics (NPs) through porous media is influenced by dissolved organic matter (DOM) released from agricultural organic inputs. Here, cotransport of NPs with three types of DOM ( ... ...

    Abstract The transport of nanoplastics (NPs) through porous media is influenced by dissolved organic matter (DOM) released from agricultural organic inputs. Here, cotransport of NPs with three types of DOM (biochar
    MeSH term(s) Animals ; Cellulose ; Dissolved Organic Matter ; Humic Substances/analysis ; Iron Compounds ; Microplastics ; Minerals ; Particle Size ; Porosity ; Sand ; Swine
    Chemical Substances Dissolved Organic Matter ; Humic Substances ; Iron Compounds ; Microplastics ; Minerals ; Sand ; goethite (1310-14-1) ; Cellulose (9004-34-6)
    Language English
    Publishing date 2022-02-28
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ISSN 1520-5851
    ISSN (online) 1520-5851
    DOI 10.1021/acs.est.1c07574
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Effect of Agricultural Organic Inputs on Nanoplastics Transport in Saturated Goethite-Coated Porous Media: Particle Size Selectivity and Role of Dissolved Organic Matter

    Ma, Jie / Qiu, Yan / Zhao, Junying / Ouyang, Xiaoxue / Zhao, Yujie / Weng, Liping / MD Yasir, Arafat / Chen, Yali / Li, Yongtao

    Environmental science & technology. 2022 Feb. 28, v. 56, no. 6

    2022  

    Abstract: The transport of nanoplastics (NPs) through porous media is influenced by dissolved organic matter (DOM) released from agricultural organic inputs. Here, cotransport of NPs with three types of DOM (biocharDOM (BCDOM), wheat strawDOM (WSDOM), and swine ... ...

    Abstract The transport of nanoplastics (NPs) through porous media is influenced by dissolved organic matter (DOM) released from agricultural organic inputs. Here, cotransport of NPs with three types of DOM (biocharDOM (BCDOM), wheat strawDOM (WSDOM), and swine manureDOM (SMDOM)) was investigated in saturated goethite (GT)-coated sand columns. The results showed that codeposition of 50 nm NPs (50NPs) with DOM occurred due to the formation of a GT–DOM–50NPs complex, while DOM loaded on GT-coated sand and 400 nm NPs (400NPs) aided 400NPs transport due to electrostatic repulsion. According to the quantum chemical calculation, humic acid and cellulose played a significant role in 50NPs retardation. Owing to its high concentration, moderate humification index (HIX), and cellulose content, SMDOM exhibited the highest retardation of 50NPs transport and promoting effect on 400NPs transport. Owing to a high HIX, the effect of BCDOM on the mobility of 400NPs was higher than that of WSDOM. However, high cellulose content in WSDOM caused it to exhibit a 50NPs retardation ability that was similar to that of BCDOM. Our results highlight the particle size selectivity and significant influence of DOM type on the transport of NPs and elucidate their quantum and colloidal chemical-interface mechanisms in a typical agricultural environment.
    Keywords cellulose ; dissolved organic matter ; electrostatic interactions ; environmental science ; goethite ; humic acids ; humification ; nanoplastics ; particle size ; quantum mechanics ; sand ; swine ; wheat
    Language English
    Dates of publication 2022-0228
    Size p. 3524-3534.
    Publishing place American Chemical Society
    Document type Article
    ISSN 1520-5851
    DOI 10.1021/acs.est.1c07574
    Database NAL-Catalogue (AGRICOLA)

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  6. Article ; Online: Effect of Agricultural Organic Inputs on Nanoplastics Transport in Saturated Goethite-Coated Porous Media

    Ma, Jie / Qiu, Yan / Zhao, Junying / Ouyang, Xiaoxue / Zhao, Yujie / Weng, Liping / Md Yasir, Arafat / Chen, Yali / Li, Yongtao

    Environmental Science and Technology

    Particle Size Selectivity and Role of Dissolved Organic Matter

    2022  Volume 56, Issue 6

    Abstract: The transport of nanoplastics (NPs) through porous media is influenced by dissolved organic matter (DOM) released from agricultural organic inputs. Here, cotransport of NPs with three types of DOM (biocharDOM (BCDOM), wheat strawDOM (WSDOM), and swine ... ...

    Abstract The transport of nanoplastics (NPs) through porous media is influenced by dissolved organic matter (DOM) released from agricultural organic inputs. Here, cotransport of NPs with three types of DOM (biocharDOM (BCDOM), wheat strawDOM (WSDOM), and swine manureDOM (SMDOM)) was investigated in saturated goethite (GT)-coated sand columns. The results showed that codeposition of 50 nm NPs (50NPs) with DOM occurred due to the formation of a GT-DOM-50NPs complex, while DOM loaded on GT-coated sand and 400 nm NPs (400NPs) aided 400NPs transport due to electrostatic repulsion. According to the quantum chemical calculation, humic acid and cellulose played a significant role in 50NPs retardation. Owing to its high concentration, moderate humification index (HIX), and cellulose content, SMDOM exhibited the highest retardation of 50NPs transport and promoting effect on 400NPs transport. Owing to a high HIX, the effect of BCDOM on the mobility of 400NPs was higher than that of WSDOM. However, high cellulose content in WSDOM caused it to exhibit a 50NPs retardation ability that was similar to that of BCDOM. Our results highlight the particle size selectivity and significant influence of DOM type on the transport of NPs and elucidate their quantum and colloidal chemical-interface mechanisms in a typical agricultural environment.
    Keywords cellulose ; dissolved organic matter ; humic acid ; nanoplastics ; particle size
    Subject code 630
    Language English
    Publishing country nl
    Document type Article ; Online
    ISSN 0013-936X
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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