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  1. Book ; Online ; E-Book: Estuarine biogeochemical dynamics of the east coast of India

    Das, Sourav / Ghosh, Tuhin

    2021  

    Author's details Sourav Das, Tuhin Ghosh, editors
    Keywords Estuaries ; Biogeochemical cycles
    Subject code 333.9164
    Language English
    Size 1 online resource (278 pages)
    Publisher Springer
    Publishing place Cham, Switzerland
    Document type Book ; Online ; E-Book
    Remark Zugriff für angemeldete ZB MED-Nutzerinnen und -Nutzer
    ISBN 3-030-68980-8 ; 3-030-68979-4 ; 978-3-030-68980-3 ; 978-3-030-68979-7
    Database ZB MED Catalogue: Medicine, Health, Nutrition, Environment, Agriculture

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  2. Book ; Online ; E-Book: Blue carbon dynamics of the Indian Ocean

    Chanda, Abhra / Das, Sourav / Ghosh, Tuhin

    the present state of the art

    2022  

    Author's details Abhra Chanda, Sourav Das, and Tuhin Ghosh, editors
    Keywords Seawater/Carbon dioxide content ; Seawater/Carbon dioxide content/Environmental aspects
    Subject code 551.4601
    Language English
    Size 1 online resource (338 pages)
    Publisher Springer International Publishing
    Publishing place Cham, Switzerland
    Document type Book ; Online ; E-Book
    Remark Zugriff für angemeldete ZB MED-Nutzerinnen und -Nutzer
    ISBN 3-030-96558-9 ; 9783030965570 ; 978-3-030-96558-7 ; 3030965570
    Database ZB MED Catalogue: Medicine, Health, Nutrition, Environment, Agriculture

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  3. Article ; Online: A detailed assessment on the interaction of sodium alginate with a surface-active ionic liquid and a conventional surfactant: a multitechnique approach.

    Das, Sourav / Ghosh, Soumen

    Physical chemistry chemical physics : PCCP

    2022  Volume 24, Issue 22, Page(s) 13738–13762

    Abstract: An investigation has been made on the interaction of a biodegradable anionic polyelectrolyte, sodium alginate (NaAlg), with two oppositely charged cationic surfactants, 1-hexadecyl-3-methyl imidazolium chloride ( ... ...

    Abstract An investigation has been made on the interaction of a biodegradable anionic polyelectrolyte, sodium alginate (NaAlg), with two oppositely charged cationic surfactants, 1-hexadecyl-3-methyl imidazolium chloride (C
    MeSH term(s) Alginates ; Excipients ; Ionic Liquids ; Micelles ; Polyelectrolytes ; Polymers/chemistry ; Pulmonary Surfactants ; Surface-Active Agents/chemistry
    Chemical Substances Alginates ; Excipients ; Ionic Liquids ; Micelles ; Polyelectrolytes ; Polymers ; Pulmonary Surfactants ; Surface-Active Agents
    Language English
    Publishing date 2022-06-08
    Publishing country England
    Document type Journal Article
    ZDB-ID 1476244-4
    ISSN 1463-9084 ; 1463-9076
    ISSN (online) 1463-9084
    ISSN 1463-9076
    DOI 10.1039/d2cp00221c
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Transient Metallo-Lipidoid Assemblies Amplify Covalent Catalysis of Aqueous and Non-Aqueous Reactions.

    Solra, Manju / Kapila, Rohit / Das, Sourav / Bhatt, Preeti / Rana, Subinoy

    Angewandte Chemie (International ed. in English)

    2024  Volume 63, Issue 15, Page(s) e202400348

    Abstract: Dissipative supramolecular assemblies are hallmarks of living systems, contributing to their complex, dynamic structures and emerging functions. Living cells can spatiotemporally control diverse biochemical reactions in membrane compartments and ... ...

    Abstract Dissipative supramolecular assemblies are hallmarks of living systems, contributing to their complex, dynamic structures and emerging functions. Living cells can spatiotemporally control diverse biochemical reactions in membrane compartments and condensates, regulating metabolite levels, signal transduction or remodeling of the cytoskeleton. Herein, we constructed membranous compartments using self-assembly of lipid-like amphiphiles (lipidoid) in aqueous medium. The new double-tailed lipidoid features Cu(II) coordinated with a tetravalent chelator that dictates the binding of two amphiphilic ligands in cis-orientation. Hydrophobic interactions between the lipidoids coupled with intermolecular hydrogen bonding led to a well-defined bilayer vesicle structure. Oil-soluble S
    Language English
    Publishing date 2024-02-26
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 2011836-3
    ISSN 1521-3773 ; 1433-7851
    ISSN (online) 1521-3773
    ISSN 1433-7851
    DOI 10.1002/anie.202400348
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Exploration of the impact of graphene oxide, acetylenic gemini, and CTAT on the photophysical and aggregation properties of dipolar coumarin 153.

    Sardar, Raju / Das, Sourav / Banik, Rajesh / Bhunia, Sayani / Ghosh, Soumen

    Physical chemistry chemical physics : PCCP

    2024  Volume 26, Issue 11, Page(s) 8900–8918

    Abstract: Advanced spectroscopic techniques have been utilized to study the interaction between the laser dye coumarin 153 (C153) and graphene oxide (GO) nanoparticles. GO was synthesized using a modified Hummers' method and characterized by UV-vis spectroscopy, ... ...

    Abstract Advanced spectroscopic techniques have been utilized to study the interaction between the laser dye coumarin 153 (C153) and graphene oxide (GO) nanoparticles. GO was synthesized using a modified Hummers' method and characterized by UV-vis spectroscopy, Raman laser spectroscopy, FTIR-ATR spectroscopy, FESEM, HR-TEM, and XRD techniques. The GO@C153 composite was formed by mixing two aqueous solutions of GO and C153 due to their strong interaction through stacking and hydrophobic interactions. In this case, GO acts as an effective fluorescence quencher for C153 molecules, which undergo H-type aggregation in the presence of GO. The Stern-Volmer equation and time-dependent fluorescence studies were utilized to analyse the mechanism of fluorescence quenching. According to the findings, both static and dynamic quenching processes are responsible for the reduction in fluorescence intensity. The effect of surfactants (both cetyltrimethylammonium
    Language English
    Publishing date 2024-03-13
    Publishing country England
    Document type Journal Article
    ZDB-ID 1476244-4
    ISSN 1463-9084 ; 1463-9076
    ISSN (online) 1463-9084
    ISSN 1463-9076
    DOI 10.1039/d3cp05361j
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Nano-inducer of ferroptosis for targeted chemotherapy of human triple negative breast carcinoma.

    Shetake, Neena G / Das, Sourav Kumar / Kumar, Amit / Pandey, Badri N

    Biomaterials advances

    2024  Volume 161, Page(s) 213868

    Abstract: Triple negative breast carcinoma (TNBC) accounts for 15-20 % of all incident breast cancers (BC) and is known to be highly invasive, has fewer treatment options, and tends to have a worse prognosis. However, due to its biological heterogeneity and ... ...

    Abstract Triple negative breast carcinoma (TNBC) accounts for 15-20 % of all incident breast cancers (BC) and is known to be highly invasive, has fewer treatment options, and tends to have a worse prognosis. However, due to its biological heterogeneity and diverse clinical and epidemiological behaviors, TNBC lacks a tumor-specific targeted therapy. In the present work we have developed a TNBC-specific targeted nano-delivery agent comprising of a cRGD labeled magneto-liposome (T-LMD) co-encapsulated with oleic acid coated iron oxide nanoparticles (MN-OA) and doxorubicin (Dox) in the liposome bilayer and core, respectively. T-LMD was found to show enhanced uptake and induction of ferroptotic cell death in MDA-MB-231, a TNBC model cell line. Additionally, T-LMD induced ferroptosis was found to be accompanied by release of HMGB1, an immunogenic cell death marker, suggesting its immunogenicity for augmenting the activation of anti-tumor immunity in TNBC. The strategic placement of IONPs in the liposome bilayer of T-LMD facilitates the sensitization of MDA-MB-231 cells to undergo ferroptosis; predominantly via the activation of the iron/lipid metabolism pathway, as validated by use of small molecule ferroptosis inhibitor (ferrostatin-1) and iron chelator (deferoxamine). Activation of ferroptotic cell death was also corroborated by ferroptosis specific-ultrastructural alterations in the shape/size of cellular mitochondria and cell ballooning as observed by transmission electron microscopy and bright field imaging, respectively. Thus, our ferroptosis nano-inducer (T-LMD) can efficiently kill TNBC cells via enhanced LPO and ROS generation leading to membrane damage and consequent release of LDH and HMGB1, induce mitochondrial alterations and enhanced DNA double strand breaks. Altogether, our results suggest significant implications of T-LMD for treatment of TNBC.
    Language English
    Publishing date 2024-04-20
    Publishing country Netherlands
    Document type Journal Article
    ISSN 2772-9508
    ISSN (online) 2772-9508
    DOI 10.1016/j.bioadv.2024.213868
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Comparative studies on the aggregate formation of synthesized zwitterionic gemini and monomeric surfactants in the presence of the amphiphilic antipsychotic drug chlorpromazine hydrochloride in aqueous solution: an experimental and theoretical approach.

    Banik, Rajesh / Das, Sourav / Ghosh, Asitanga / Ghosh, Soumen

    Soft matter

    2023  Volume 19, Issue 41, Page(s) 7995–8010

    Abstract: The formation of aggregates, which are widely used in the field of biochemistry and the medical industry, was studied with different compositions of alkyl betaine gemini surfactant ( ... ...

    Abstract The formation of aggregates, which are widely used in the field of biochemistry and the medical industry, was studied with different compositions of alkyl betaine gemini surfactant (C
    MeSH term(s) Surface-Active Agents/chemistry ; Antipsychotic Agents/chemistry ; Chlorpromazine/chemistry ; Water/chemistry ; Chemical Phenomena
    Chemical Substances Surface-Active Agents ; Antipsychotic Agents ; Chlorpromazine (U42B7VYA4P) ; Water (059QF0KO0R)
    Language English
    Publishing date 2023-10-25
    Publishing country England
    Document type Journal Article
    ZDB-ID 2191476-X
    ISSN 1744-6848 ; 1744-683X
    ISSN (online) 1744-6848
    ISSN 1744-683X
    DOI 10.1039/d3sm00907f
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: Antiemetics and Apfel Scores in Orthopedic Surgery.

    Tran, Van N / Fitzpatrick, Brennan J / Das, Sourav

    Hospital pharmacy

    2023  Volume 58, Issue 5, Page(s) 511–518

    Abstract: Background: Postoperative nausea and vomiting (PONV) is a common complication following surgery. Only a few risk factors have consistently been reported to be independent predictors for PONV.: Aim: To report Apfel scores for orthopedic patients then ... ...

    Abstract Background: Postoperative nausea and vomiting (PONV) is a common complication following surgery. Only a few risk factors have consistently been reported to be independent predictors for PONV.
    Aim: To report Apfel scores for orthopedic patients then correlate these scores to the number of antiemetics prescribed and subsequently administered in both the perioperative and post operative setting and determine if screening for Apfel scores is beneficial to predict PONV.
    Methods: A retrospective analysis of patients admitted under orthopedic units between 1st July 2020 and 31st July 2020 was conducted at a tertiary teaching hospital in Australia. Patients were screened and allocated an Apfel score and antiemetics agents prescribed and subsequently administered were recorded.
    Results: A total of 115 patients were screened for inclusion. Of these 4 patients met this exclusion criteria, resulting in a total sample size of 111 patients. An Apfel score of 2 was reported in 45.0% of patients, followed by 28.8% of patients scoring 3, with 12.6% scoring one. Only 5.4% of patients scored the highest risk of 4, with 8.2% of patients with no Apfel score documented.
    Conclusion: Orthopedic patients tend to score 2 or more in their Apfel score placing them at higher risk of postoperative nausea and/or vomiting according to the collectively validated Apfel's simplified risk score. There was no statistically significant relationship between the Apfel score and the number of antiemetic agents prescribed or administered from both the perioperative and post-operative setting following orthopedic surgery in this cohort of adult patients.
    Language English
    Publishing date 2023-05-03
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1468893-1
    ISSN 0018-5787
    ISSN 0018-5787
    DOI 10.1177/00185787231169458
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    In stock of ZB MED Cologne/Königswinter

    Zs.B 1758: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular
    ab Jg. 2022: Lesesaal (EG)
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  9. Article: Predicting the pandemic: sentiment evaluation and predictive analysis from large-scale tweets on Covid-19 by deep convolutional neural network.

    Das, Sourav / Kolya, Anup Kumar

    Evolutionary intelligence

    2021  Volume 15, Issue 3, Page(s) 1913–1934

    Abstract: Engaging deep neural networks for textual sentiment analysis is an extensively practiced domain of research. Textual sentiment classification harnesses the full computational potential of deep learning models. Typically, these research works are carried ... ...

    Abstract Engaging deep neural networks for textual sentiment analysis is an extensively practiced domain of research. Textual sentiment classification harnesses the full computational potential of deep learning models. Typically, these research works are carried either with a popular open-source data corpus, or self-extracted short phrase texts from Twitter, Reddit, or web-scrapped text data from other resources. Rarely do we see a large amount of data on a current ongoing event is being collected and cultured further. Also, an even more complex task would be to model the data from a currently ongoing event, not only for scaling the sentiment accuracy but also for making a predictive analysis for the same. In this paper, we propose a novel approach for achieving sentiment evaluation accuracy by using a deep neural network on live-streamed tweets on Coronavirus and future case growth prediction. We develop a large tweet corpus exclusively based on the Coronavirus tweets. We split the data into train and test sets, alongside we perform polarity classification and trend analysis. The refined outcome from the trend analysis helps to train the data to provide an incremental learning curvature for our neural network, and we obtain an accuracy of 90.67%. Finally, we provide a statistical-based future prediction for Coronavirus cases growth. Not only our model outperforms several previous state-of-art experiments in overall sentiment accuracy comparison for similar tasks, but it also maintains a throughout performance stability among all the test cases when tested with several popular open-source text corpora.
    Language English
    Publishing date 2021-03-30
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 2424716-9
    ISSN 1864-5917 ; 1864-5909
    ISSN (online) 1864-5917
    ISSN 1864-5909
    DOI 10.1007/s12065-021-00598-7
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Tunable Regioselective Allylic Alkylation/Iodination of Imidazoheterocycles in Water.

    Paul, Suvam / Choudhuri, Tathagata / Das, Sourav / Pratap, Ramendra / Bagdi, Avik Kumar

    The Journal of organic chemistry

    2024  Volume 89, Issue 3, Page(s) 1492–1504

    Abstract: The switchable roles of allylic alcohol and molecular iodine as reagents and catalysts have been demonstrated in the regioselective allylic alkylation and iodination of imidazoheterocycles employing the mixture of allylic alcohol- ... ...

    Abstract The switchable roles of allylic alcohol and molecular iodine as reagents and catalysts have been demonstrated in the regioselective allylic alkylation and iodination of imidazoheterocycles employing the mixture of allylic alcohol-I
    Language English
    Publishing date 2024-01-12
    Publishing country United States
    Document type Journal Article
    ZDB-ID 123490-0
    ISSN 1520-6904 ; 0022-3263
    ISSN (online) 1520-6904
    ISSN 0022-3263
    DOI 10.1021/acs.joc.3c02091
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    In stock of ZB MED Cologne/Königswinter

    Zs.A 4473: Show issues Location:
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