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  1. Article ; Online: Mechanistic exploration of CO

    Das, Amitabha / Mandal, Shyama Charan / Pathak, Biswarup

    Physical chemistry chemical physics : PCCP

    2022  Volume 24, Issue 14, Page(s) 8387–8397

    Abstract: The conversion of ... ...

    Abstract The conversion of CO
    Language English
    Publishing date 2022-04-06
    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/d1cp05144j
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  2. Article ; Online: Unravelling CO

    Roy, Diptendu / Charan Mandal, Shyama / Das, Amitabha / Pathak, Biswarup

    Chemistry (Weinheim an der Bergstrasse, Germany)

    2023  Volume 30, Issue 6, Page(s) e202302679

    Abstract: Establishment of a scaling relation among the reaction intermediates is highly important but very much challenging on complex surfaces, such as surfaces of high entropy alloys (HEAs). Herein, we designed an interpretable machine learning (ML) approach to ...

    Abstract Establishment of a scaling relation among the reaction intermediates is highly important but very much challenging on complex surfaces, such as surfaces of high entropy alloys (HEAs). Herein, we designed an interpretable machine learning (ML) approach to establish a scaling relation among CO
    Language English
    Publishing date 2023-12-14
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1478547-X
    ISSN 1521-3765 ; 0947-6539
    ISSN (online) 1521-3765
    ISSN 0947-6539
    DOI 10.1002/chem.202302679
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  3. Article ; Online: Insights of the efficient hydrogen evolution reaction performance in bimetallic Au

    Devi, Aarti / Minhas, Harpriya / Sahoo, Lipipuspa / Rashi / Gratious, Saniya / Das, Amitabha / Mandal, Sukhendu / Pathak, Biswarup / Patra, Amitava

    Nanoscale

    2024  Volume 16, Issue 4, Page(s) 1758–1769

    Abstract: The design of efficient electrocatalysts for improving hydrogen evolution reaction (HER) performance using atomically precise metal nanoclusters (NCs) is an emerging area of research. Here, we have studied the HER electrocatalytic performance of ... ...

    Abstract The design of efficient electrocatalysts for improving hydrogen evolution reaction (HER) performance using atomically precise metal nanoclusters (NCs) is an emerging area of research. Here, we have studied the HER electrocatalytic performance of monometallic Cu
    Language English
    Publishing date 2024-01-25
    Publishing country England
    Document type Journal Article
    ZDB-ID 2515664-0
    ISSN 2040-3372 ; 2040-3364
    ISSN (online) 2040-3372
    ISSN 2040-3364
    DOI 10.1039/d3nr05445d
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  4. Article ; Online: High-grade mixed neuroendocrine non-neuroendocrine neoplasm of the gastroesophageal junction: A rare case report and review of literature.

    Sulaiman, Mohamed / Agarwal, Shipra / Mandal, Amitabha / Kumar, Sunil / Das, Prasenjit

    Indian journal of pathology & microbiology

    2022  Volume 65, Issue 4, Page(s) 918–920

    Abstract: Mixed neuroendocrine non-neuroendocrine neoplasm (MiNeN) is a recently described entity of the esophagus in the latest (fifth) edition of WHO Classification of Digestive System Tumors. It is often a difficult pathological diagnosis, especially in small ... ...

    Abstract Mixed neuroendocrine non-neuroendocrine neoplasm (MiNeN) is a recently described entity of the esophagus in the latest (fifth) edition of WHO Classification of Digestive System Tumors. It is often a difficult pathological diagnosis, especially in small preoperative biopsies. We herein report a case of high-grade MiNeN of gastroesophageal junction diagnosed as a squamous cell carcinoma in preoperative biopsy and subsequently as a high-grade MiNeN in esophagogastrectomy specimen comprising areas of mucoepidermoid carcinoma and large-cell neuroendocrine carcinoma (NEC). This report accentuates the importance of deeper multisite preoperative biopsies as the management is completely different in a MiNeN from esophageal squamous cell carcinoma.
    MeSH term(s) Humans ; Esophageal Neoplasms/diagnosis ; Esophageal Neoplasms/surgery ; Esophageal Neoplasms/pathology ; Esophageal Squamous Cell Carcinoma ; Neuroendocrine Tumors/diagnosis ; Neuroendocrine Tumors/surgery ; Carcinoma, Neuroendocrine/diagnosis ; Carcinoma, Neuroendocrine/surgery ; Carcinoma, Neuroendocrine/pathology ; Esophagogastric Junction/pathology
    Language English
    Publishing date 2022-10-13
    Publishing country India
    Document type Review ; Case Reports
    ZDB-ID 197621-7
    ISSN 0974-5130 ; 0377-4929
    ISSN (online) 0974-5130
    ISSN 0377-4929
    DOI 10.4103/ijpm.ijpm_143_21
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  5. Article ; Online: Impact of maternal obesity on obstetric outcome

    Saswati Mukherjee / Aparna Khan Mandal / Atanu Chakraborty / Amitabha Pal / Ashis Sarkar

    Acta Medica International, Vol 10, Iss 2, Pp 131-

    A prospective study in a district hospital of West Bengal

    2023  Volume 136

    Abstract: Introduction: The prevalence of obesity among women is an increasing problem, especially in urban population due to sedentary lifestyles and altered dietary habits. Maternal obesity has consequences on pregnancy and perinatal outcome. The present study ... ...

    Abstract Introduction: The prevalence of obesity among women is an increasing problem, especially in urban population due to sedentary lifestyles and altered dietary habits. Maternal obesity has consequences on pregnancy and perinatal outcome. The present study was conducted to determine the impact of maternal obesity on maternal and perinatal outcome. Materials and Methods: A prospective hospital-based study was conducted on 176 pregnant women with body mass index (BMI) <25 kg/m2 and 166 pregnant women with BMI ≥25 kg/m2. Data on maternal outcomes and perinatal outcomes were collected by following up on antenatal women till the end of the pregnancy and results were analyzed among the two groups using SPSS version 27. Results: Around 31.3% of pregnant women with BMI ≥25 kg/m2 had developed gestational hypertension, 22.9% had gestational diabetes mellitus (GDM), 7.8% had preeclampsia/eclampsia, 9.6% had prolonged labor, and more than half (53%) of them had emergency lower segment cesarean section (LSCS). Less than 1/3rd of pregnant women with BMI ≥25 kg/m2 had induction of labor and perineal injuries. Association of gestational hypertension, GDM, preeclampsia/eclampsia, prolonged labor, and mode of delivery (emergency LSCS) was found to be significant with maternal obesity. About 16.9% and 7.2% of pregnant women with BMI ≥25 kg/m2 had preterm and postterm delivery, respectively. Only 0.6% of pregnant women with BMI ≥25 kg/m2 had weight of newborn >4 kg. Conclusions: Maternal obesity leads to adverse maternal and perinatal outcomes and is an important contributor to the burden of obstetric care. Thus, effective intervention is required in preconception period to reduce the obstetric complications.
    Keywords maternal obesity ; maternal outcome ; perinatal outcome ; Medicine ; R
    Subject code 610
    Language English
    Publishing date 2023-01-01T00:00:00Z
    Publisher Wolters Kluwer Medknow Publications
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  6. Article: A Systematic Review Article on Orbital Exenteration: Indication, Complications and Reconstruction Methods.

    Nandi, Sourabh / Chhebbi, Madiwalesh / Mandal, Amitabha

    Indian journal of otolaryngology and head and neck surgery : official publication of the Association of Otolaryngologists of India

    2020  Volume 74, Issue Suppl 2, Page(s) 1183–1191

    Abstract: Orbital Exenteration is a major surgical procedure that consists of the removal of the orbital bone, orbital fat, eyeball, and its contents including extraocular muscles. It is an extensive and morbid surgical procedure. Our aim is to systematically ... ...

    Abstract Orbital Exenteration is a major surgical procedure that consists of the removal of the orbital bone, orbital fat, eyeball, and its contents including extraocular muscles. It is an extensive and morbid surgical procedure. Our aim is to systematically review the indications, complications and reconstruction methods utilised for orbital exenteration. An objective electronic database search was conducted in PUBMED Central, MeSH, NLM Catalog, Bookshelf, and PUBMED published in 20 years period from 1999 till 2019. A total of 29 articles were shortlisted for the present review. Most of the studies have eyelid and canthus as most common primary site of malignancy leading to orbital exenteration. Basal cell carcinoma and squamous cell carcinoma being most common pathology. Other intraocular pathology was Retinoblastoma and melanoma. There were various reconstruction methods used by different authors and Sino-orbital fistula was most commonly occurring in majority of studies. Inspite of being a morbid surgery, Orbital Exenteration had acceptable survival and good quality of life. The aggressive pathology that requires orbital exenteration worldwide is mostly periorbital skin, sinus, and intraocular malignancies. The morbidity of the procedure is high with many surgical complications. However, in properly selected patients it can give better outcomes and survival.
    Language English
    Publishing date 2020-11-10
    Publishing country India
    Document type Journal Article
    ZDB-ID 1471137-0
    ISSN 0973-7707 ; 2231-3796 ; 0019-5421
    ISSN (online) 0973-7707
    ISSN 2231-3796 ; 0019-5421
    DOI 10.1007/s12070-020-02270-5
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    In stock of ZB MED Cologne/Königswinter

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  7. Article ; Online: The prevalence and clinicopathological correlation of human papillomavirus in head and neck squamous cell carcinoma in India: A systematic review article.

    Nandi, Sourabh / Mandal, Amitabha / Chhebbi, Madiwalesh

    Cancer treatment and research communications

    2020  Volume 26, Page(s) 100301

    Abstract: Objective: Head and neck squamous cell carcinoma (HNSCC) pose a great danger to society and now we have shreds of evidence for Human Papillomavirus (HPV) being one of the major causative agents for it. Though the prevalence of HPV varies throughout the ... ...

    Abstract Objective: Head and neck squamous cell carcinoma (HNSCC) pose a great danger to society and now we have shreds of evidence for Human Papillomavirus (HPV) being one of the major causative agents for it. Though the prevalence of HPV varies throughout the world, it is gradually on the rise. The present systematic review aims to retrospect all the available studies on the prevalence of HPV in HNSCC in India and its clinicopathological aspect to study how it is different from HPV negative HNSCC.
    Methods: An objective electronic database search was conducted in PUBMED Central, MeSH, NLM Catalog, Bookshelf, and PUBMED published in 25 years period from 1994 till 2019. A total of 33 articles were shortlisted for the present review.
    Results: Studies conducted across India show the prevalence of HPV in Head and Neck Cancers ranging from 0-86.6%. Some studies reported that HPV positive HNSCC is more common in younger age, presents with advanced stage disease, and more commonly presents with nodal metastasis. As opposed to western literature HPV positive HNSCC in India is associated with a well-differentiated tumor grade. There is no difference in treatment outcome and survival among HPV positive and negative HNSCC.
    Conclusion: Exact prevalence of HPV in HNSCC is still doubtful but now we have some insight into it. The prevalence of HPV in Indian HNSCC patients has risen gradually but treatment outcome and survival may be poorer compared to other countries. However definite conclusions cannot be drawn without proper prospective study.
    MeSH term(s) Alphapapillomavirus/isolation & purification ; Head and Neck Neoplasms/diagnosis ; Head and Neck Neoplasms/epidemiology ; Head and Neck Neoplasms/therapy ; Head and Neck Neoplasms/virology ; Humans ; India/epidemiology ; Papillomavirus Infections/diagnosis ; Papillomavirus Infections/epidemiology ; Papillomavirus Infections/therapy ; Papillomavirus Infections/virology ; Prevalence ; Prognosis ; Squamous Cell Carcinoma of Head and Neck/diagnosis ; Squamous Cell Carcinoma of Head and Neck/epidemiology ; Squamous Cell Carcinoma of Head and Neck/therapy ; Squamous Cell Carcinoma of Head and Neck/virology ; Survival Analysis ; Treatment Outcome
    Language English
    Publishing date 2020-12-30
    Publishing country England
    Document type Journal Article ; Systematic Review
    ISSN 2468-2942
    ISSN (online) 2468-2942
    DOI 10.1016/j.ctarc.2020.100301
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  8. Article: Saponins from Albizia procera extract: Surfactant activity and preliminary analysis

    Pradhan, Ambika / Bhuyan, Samuzal / Chhetri, Karan / Mandal, Susanta / Bhattacharyya, Amitabha

    Colloids and surfaces. 2022 June 20, v. 643

    2022  

    Abstract: We report our results on surface activity and preliminary analytical data of natural surfactant (saponin) from Albizia procera extract. The plant-based extract exhibited moderate reduction of surface tension, low alkalinity, moderate foaming and ... ...

    Abstract We report our results on surface activity and preliminary analytical data of natural surfactant (saponin) from Albizia procera extract. The plant-based extract exhibited moderate reduction of surface tension, low alkalinity, moderate foaming and emulsifying characteristics. The critical micelle concentration is 7.00 × 10⁻³ g/cc, where the emulsifying power reached a maximum. An abrupt increase in viscosity and conductivity with surfactant concentration was seen in this region. Dirt dispersion results displayed a sharp maximum at the Critical Micelle Concentration. The extracts were analyzed to understand the constituents. The presence of polar and non-polar compounds was seen in Thin Layer Chromatography analysis. Using methanol water solvent system, a good separation of compounds was observed in High Performance Liquid Chromatography. The presence of saponin along with some traces of flavonoids was observed by UV-Visible spectroscopy. Occurrence of triterpenoid saponins were indicated by Fourier Transform Infrared spectroscopy analysis. The results obtained from surface tension, foaming and emulsification highlights the efficiency of Albizia procera extract to be employed as a possible environment friendly surface-active agent. This natural surfactant could find various industrial and domestic applications.
    Keywords Albizia procera ; Fourier transform infrared spectroscopy ; alkalinity ; emulsifying ; flavonoids ; high performance liquid chromatography ; methanol ; micelles ; solvents ; surface tension ; surfactants ; thin layer chromatography ; triterpenoid saponins ; ultraviolet-visible spectroscopy ; viscosity
    Language English
    Dates of publication 2022-0620
    Publishing place Elsevier B.V.
    Document type Article
    ZDB-ID 1500517-3
    ISSN 0927-7757
    ISSN 0927-7757
    DOI 10.1016/j.colsurfa.2022.128778
    Database NAL-Catalogue (AGRICOLA)

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  9. Article: A Systematic Review on Tracheostomy in COVID-19 Patients: Current Guidelines and Safety Measures.

    Mandal, Amitabha / Nandi, Sourabh / Chhebbi, Madiwalesh / Basu, Abhijit / Ray, Mukurdipi

    Indian journal of otolaryngology and head and neck surgery : official publication of the Association of Otolaryngologists of India

    2020  Volume 74, Issue Suppl 2, Page(s) 2738–2742

    Abstract: At this moment the world is fighting with COVID-19 pandemic. Because of increasing number of critical cases, the ICU admissions are also increasing and overwhelming the hospital. These group of patients often required Tracheostomy for proper management ... ...

    Abstract At this moment the world is fighting with COVID-19 pandemic. Because of increasing number of critical cases, the ICU admissions are also increasing and overwhelming the hospital. These group of patients often required Tracheostomy for proper management and ventilation. As Surgeons we often required to examine and perform procedures in head and neck patients and are in high risk of exposure to aerosol and droplet contamination. We did a literature search for research regarding tracheostomy and its post procedure care during the ongoing COVID-19 pandemic. In this review various international guidelines and sources were put together, and we aim to summarize in a systematic way the available recommendations: indications, timing, technique and safety measures for tracheostomy for COVID-19 patients, from all over the world.
    Keywords covid19
    Language English
    Publishing date 2020-09-28
    Publishing country India
    Document type Journal Article
    ZDB-ID 1471137-0
    ISSN 0973-7707 ; 2231-3796 ; 0019-5421
    ISSN (online) 0973-7707
    ISSN 2231-3796 ; 0019-5421
    DOI 10.1007/s12070-020-02152-w
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  10. Article ; Online: Duplication of the internal jugular vein - A rare anatomical variation.

    Bhoriwal, Sandeep / Sharma, Jyoti / Dhall, Kunal / Mandal, Amitabha / Chhebbi, Madiwalesh / Surya, T S H V

    Oral oncology

    2020  Volume 112, Page(s) 104985

    MeSH term(s) Aged ; Female ; Humans ; Incidental Findings ; Jugular Veins/abnormalities ; Lip Neoplasms/pathology ; Lip Neoplasms/surgery ; Lymph Nodes/pathology ; Mouth Neoplasms/pathology ; Mouth Neoplasms/surgery ; Neck ; Rare Diseases/pathology ; Squamous Cell Carcinoma of Head and Neck/pathology ; Squamous Cell Carcinoma of Head and Neck/surgery
    Language English
    Publishing date 2020-09-01
    Publishing country England
    Document type Case Reports ; Letter ; Review
    ZDB-ID 1120465-5
    ISSN 1879-0593 ; 0964-1955 ; 1368-8375
    ISSN (online) 1879-0593
    ISSN 0964-1955 ; 1368-8375
    DOI 10.1016/j.oraloncology.2020.104985
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