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Author Vishal Sharma

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Coherent detection-based photonic radar for autonomous vehicles under diverse weather conditions.

Sushank Chaudhary, Lunchakorn Wuttisittikulkij, Muhammad Saadi, Abhishek Sharma, Sattam Al Otaibi, Jamel Nebhen, Demostenes Zegarra Rodriguez, Santosh Kumar, Vishal Sharma, Gridsada Phanomchoeng, Ratchatin Chancharoen,

Autonomous vehicles are regarded as future transport mechanisms that drive the vehicles without the need of drivers. The photonic-based radar technology is a promising candidate for delivering attractive applications to autonomous vehicles such as self-parking assistance, navigation, recognition of traffic environment, etc. Alternatively, microwave radars are not able to meet ... Read more >>

PLoS One (PloS one)
[2021, 16(11):e0259438]

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Pyridylpyrrolido ligand in Ge(II) and Sn(II) chemistry: synthesis, reactivity and catalytic application.

Sanjukta Pahar, Vishal Sharma, Srinu Tothadi, Sakya S Sen,

In our previous communication, we have reported the synthesis of a new chlorogermylene (B) featuring a pyridylpyrrolido ligand. This study details the preparation of a series of new germylenes and stannylenes starting from B. A transmetallation reaction between B and SnCl<sub>2</sub> led to the analogous chlorostannylene (1) with the simultaneous ... Read more >>

Dalton Trans (Dalton transactions (Cambridge, England : 2003))
[2021, :]

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Mesalamine-Induced Perimyocarditis: Rare Adverse Event in a Patient With Acute Severe Ulcerative Colitis.

Anuraag Jena, Anupam Kumar Singh, Bikkina Venkat Siddharda, Prashant Panda, Vishal Sharma,

Inflamm Bowel Dis (Inflammatory bowel diseases)
[2021, :]

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Tracheobronchial Crohn's Disease: Case Report and Systematic Review of the Literature.

Rao G Raghava, Vishal Sharma, Srikant Kashinath Malegaonkar, Sahajal Dhooria, Inderpaul Singh Sehgal, Kuruswamy Thurai Prasad, Amanjit Bal, Ritesh Agarwal, Valliappan Muthu,

Inflamm Bowel Dis (Inflammatory bowel diseases)
[2021, :]

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Addressing unmet needs from a new frontier of IBD: the South Asian IBD Alliance.

Tina Aswani-Omprakash, Vishal Sharma, Shrinivas Bishu, Madhura Balasubramaniam, Sumit Bhatia, Neilanjan Nandi, Neha D Shah, Parakkal Deepak, Shaji Sebastian,

Lancet Gastroenterol Hepatol (The lancet. Gastroenterology & hepatology)
[2021, 6(11):884-885]

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Gamma irradiations induced morphological and biochemical variations in in vitro regenerated ginger (Zingiber officinale rosc.)- an invaluable medicinal spice.

Vishal Sharma, Manisha Thakur,

<h4>Purpose</h4>To evaluate the effect of gamma irradiations on morphological and biochemical variations of in vitro shoots, regenerated plants and rhizomes of ginger (<i>Zingiber officinale</i> Rosc.) var. Himgiri.<h4>Materials and methods</h4>In vitro established shoot cultures were treated with different doses of gamma irradiations (10-100 Gy). Nonirradiated shoots were used as controls. Radio sensitivity of ... Read more >>

Int J Radiat Biol (International journal of radiation biology)
[2021, :1-9]

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Molecular markers based genetic relatedness studies in tissue culture propagated Japanese plum cultivars Santa Rosa and Frontier

Manisha Thakur, Rakshandha Luharch, Vishal Sharma, Dharam Paul Sharma,

Santa Rosa and Frontier are the major Japanese plum cultivars grown throughout the world. The present investigation was performed to understand the genetic relatedness among in vitro propagated plum cultivars Santa Rosa and Frontier using PCR based molecular markers. For the study, three arbitrary markers viz. RAPD (Random amplified Polymorphic ... Read more >>

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Sodium sulphide promoted synthesis of fused quinoline at room temperature.

Rashmi Singh, Vishal Prasad Sharma, Priyanka Yadav, Priyanka Sonker, Radhey Mohan Singh, Ashish Kumar Tewari,

A novel, simple and eco-friendly strategy for the synthesis of thiopyrano[4,3-<i>b</i>]quinolin-1-ones and pyrrolo[3,4-<i>b</i>]quinolin-1-ones from 2-alkynylquinoline-3-carbonitriles and sodium sulphide (Na<sub>2</sub>S·9H<sub>2</sub>O) under catalyst-free conditions at room temperature has been described. In this reaction, a readily available inorganic salt (Na<sub>2</sub>S·9H<sub>2</sub>O) serves as the sulphur source and leads to the generation of diverse functionalized ... Read more >>

Org Biomol Chem (Organic & biomolecular chemistry)
[2021, 19(37):8108-8112]

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Mental Health Experiences With COVID-19 Public Health Measures in an Alberta First Nations Community

Cerina Lee, Lisa Wozniak, Allison Soprovich, Vishal Sharma, Bonnie Healy, Salim Samanani, Dean Eurich,

<h4>Background: </h4> The First Nations (FN) peoples of Canada have experienced health inequalities intergenerationally and life course due to colonization, significant social, physical and economic challenges. Consequently, the COVID-19 pandemic has resulted in an exacerbation of health inequities and mental health issues for FN communities around the world. This study ... Read more >>

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Tubercular Pleural Effusion in a Patient of Ulcerative Colitis Treated With Tofacitinib.

Shubhra Mishra, Anupam Kumar Singh, Chirag Kopp, Anuraag Jena, Vishal Sharma,

Inflamm Bowel Dis (Inflammatory bowel diseases)
[2021, :]

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Oral Fluconazole Therapy in Patients With Active Ulcerative Colitis Who Have Detectable Candida in the Stool: A Double-Blind Randomized Placebo-controlled Trial.

Anuraag Jena, Usha Dutta, Jimil Shah, Vishal Sharma, Kaushal K Prasad, Rudramurthy M Shivaprakash, Harshal S Mandavdhare, Jayanta Samanta, Pankaj Sharma, Priyanka Popli, Arun K Sharma, Saroj K Sinha, Arunaloke Chakrabarti, Rakesh Kochhar,

<h4>Background</h4>There is an emerging role of fungal dysbiosis in the pathogenesis of inflammatory bowel disease. Prevalence of Candida in patients with active ulcerative colitis (UC) and the effect of fluconazole therapy in reducing disease activity of UC are not known.<h4>Patients and methods</h4>All consecutive consenting patients with active UC defined as ... Read more >>

J Clin Gastroenterol (Journal of clinical gastroenterology)
[2021, :]

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Utility of point-of-care urine trypsinogen dipstick test for diagnosing acute pancreatitis in an emergency unit.

Amar Simha, Atul Saroch, Ashok K Pannu, Deba P Dhibar, Navneet Sharma, Harjeet Singh, Vishal Sharma,

<b>Background:</b> A point-of-care diagnostic test for acute pancreatitis could help in early triage and management of this condition. <b>Materials & methods:</b> Urine trypsinogen dipstick test (UTDT) was performed in consecutive cases suspected to have acute pancreatitis and diagnostic accuracy calculated. <b>Results:</b> Of 187 patients, 90 were have acute pancreatitis and ... Read more >>

Biomark Med (Biomarkers in medicine)
[2021, 15(14):1271-1276]

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Reply to: "Risk factors and screening intervals are crucial for evaluating the cost effectiveness of abbreviated MRI in HCC screening".

Pankaj Gupta, Vishal Sharma, Naveen Kalra,

J Hepatol (Journal of hepatology)
[2021, 75(5):1259-1260]

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Oesophageal Tuberculosis: A Systematic Review Focusing on Clinical Management.

Chhagan Lal Birda, Antriksh Kumar, Pankaj Gupta, Harjeet Singh, Vishal Sharma,

Oesophageal tuberculosis, an uncommon form of extrapulmonary tuberculosis, has been reported mainly as small case series and the literature is heterogeneous. A systematic review to characterize the clinical presentation, evaluation and management of oesophageal tuberculosis was performed. Electronic databases were searched with keywords: esophagus OR esophageal AND tuberculosis. We included ... Read more >>

Dysphagia (Dysphagia)
[2021, :]

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Response to SARS-CoV-2 vaccination in immune mediated inflammatory diseases: Systematic review and meta-analysis.

Anuraag Jena, Shubhra Mishra, Parakkal Deepak, Praveen Kumar-M, Aman Sharma, Yusuf I Patel, Nicholas A Kennedy, Alfred H J Kim, Vishal Sharma, Shaji Sebastian,

<h4>Objectives</h4>The treatment for COVID-19 often utilizes immune-modulating drugs. These drugs are also used in immune mediated inflammatory diseases (IMIDs). We performed a systematic review about seroconversion after SARS-CoV-2 vaccination in patients with IMIDs and impact of various drugs on seroconversion rates.<h4>Methods</h4>Electronic databases were searched to identify relevant studies reporting seroconversion ... Read more >>

Autoimmun Rev (Autoimmunity reviews)
[2021, :102927]

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Impact of broad-spectrum antibiotic exposures and multidrug-resistant gram-negative bacteremia on hematopoietic cell transplantation outcomes.

Shaweta Kaundal, Aditya Jandial, Harmandeep Singh, Madhu Chopra, Kripa Shanker Kasudhan, Niranjan Khaire, Alka Khadwal, Gaurav Prakash, Arihant Jain, Vikas Suri, Amol Patil, Amit Arora, Vishal Sharma, Pallab Ray, Pankaj Malhotra, Deepesh P Lad,

<h4>Introduction</h4>There is a close association between the use of broad-spectrum antibiotics, gut microbiome alteration, multidrug resistant (MDR) gram-negative bacilli (GNB) bacteremia, graft versus host disease (GVHD), and mortality post-allogeneic hematopoietic cell transplantation (allo-HCT). This study reports the impact of the high use of carbapenems and colistin and MDR bacteremia pre- ... Read more >>

Transpl Infect Dis (Transplant infectious disease : an official journal of the Transplantation Society)
[2021, 23(5):e13717]

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TPMT and NUDT15 polymorphisms in thiopurine induced leucopenia in inflammatory bowel disease: a prospective study from India.

Narinder Grover, Prateek Bhatia, Antriksh Kumar, Minu Singh, Deepesh Lad, Harshal S Mandavdhare, Jayanta Samanta, Kaushal K Prasad, Usha Dutta, Vishal Sharma,

<h4>Background</h4>Polymorphisms in thiopurine methyltransferase (TPMT) and Nudix hydrolase-15 (NUDT15) have been implicated as the predominant cause of thiopurine induced leukopenia in the Western countries and East Asia respectively. Exact role of these polymorphisms in South Asian population with inflammatory bowel disease (IBD) is uncertain.<h4>Methods</h4>We included consecutive patients with IBD who ... Read more >>

BMC Gastroenterol (BMC gastroenterology)
[2021, 21(1):327]

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Prophylactic ligation of the opacified thoracic duct in minimally invasive esophagectomy - feasibility and safety.

Lunkhomba Takhellambam, Thakur Deen Yadav, Hemanth Kumar, Vikas Gupta, Cherring Tandup, Ujjwal Gorsi, Vishal Sharma, Harshal Mandhavdhare, Tanvir Samra, Harjeet Singh,

<h4>Background</h4>Chyle leak is a rare but morbid complication of esophagectomy. We assessed the feasibility of visualization and prophylactic ligation of the opacified thoracic duct (TD) after administration of 50 ml of olive oil.<h4>Methods</h4>This prospective single center study considered all patients with carcinoma of the middle and lower thirds of the ... Read more >>

Langenbecks Arch Surg (Langenbeck's archives of surgery)
[2021, 406(7):2515-2520]

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COVID's Double Whammy: Drug Discontinuation Flares the Disease While Vaccination Takes the Blame.

Anuraag Jena, Shubhra Mishra, Abhirup Chatterjee, Anupam Kumar Singh, Vishal Sharma,

Inflamm Bowel Dis (Inflammatory bowel diseases)
[2021, :]

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Enhanced photocatalytic activity of two dimensional ternary nanocomposites of ZnO-Bi2WO6-Ti3C2 MXene under natural sunlight irradiation.

Vishal Sharma, Ajay Kumar, Ashish Kumar, Venkata Krishnan,

The design and development of advanced photocatalysts for water purification have attracted much attention from researchers in recent years. In this context, the two-dimensional (2D) semiconducting materials have shown excellent photocatalytic properties due to their merits of high surface area, confined longitudinal dimensions and excellent capability of efficient separation and ... Read more >>

Chemosphere (Chemosphere)
[2021, 287(Pt 2):132119]

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Novel Circulating and Tissue Monocytes as Well as Macrophages in Pancreatitis and Recovery.

Murli Manohar, Elaina K Jones, Samuel J S Rubin, Priyanka B Subrahmanyam, Gayathri Swaminathan, David Mikhail, Lawrence Bai, Gulshan Singh, Yi Wei, Vishal Sharma, Janet C Siebert, Holden T Maecker, Sohail Z Husain, Walter G Park, Stephen J Pandol, Aida Habtezion,

<h4>Background and aims</h4>Acute pancreatitis (AP) is an inflammatory disease with mild to severe course that is associated with local and systemic complications and significant mortality. Uncovering inflammatory pathways that lead to progression and recovery will inform ways to monitor and/or develop effective therapies.<h4>Methods</h4>We performed single-cell mass Cytometry by Time Of ... Read more >>

Gastroenterology (Gastroenterology)
[2021, :]

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Role of Interleukin 6 in Prediction of Early Complications After Minimally Invasive Esophagectomy – A Pilot Study

Sivaraman kumarasamy, Hemanth Kumar, Vishal Sharma, Harshal Mandavdhare, Sant Ram, Harjeet Singh,

INTRODUCTION: Infectious complications following esophagectomy are associated with significant morbidity. Early prediction of these complications may mitigate significant morbidity and mortality METHODS: Patients undergoing minimally invasive esophagectomy for carcinoma esophagus between January 2019 to June 2020 were included in the study. All patients underwent standard preoperative investigations and ... Read more >>

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Tofacitinib in Acute Severe Ulcerative Colitis: Case Series and a Systematic Review.

Anuraag Jena, Shubhra Mishra, Anurag Sachan, Harjeet Singh, Anupam Kumar Singh, Vishal Sharma,

Inflamm Bowel Dis (Inflammatory bowel diseases)
[2021, 27(9):e101-e103]

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Outcome Following Percutaneous Transhepatic Biliary Drainage (PTBD) in Carcinoma Gallbladder: a Prospective Observational Study.

Vanji Nathan Subramani, Mohanasundaram Avudaiappan, Thakur Deen Yadav, Hemanth Kumar, Vishal Sharma, Harshal Mandavdhare, Ujjwal Gorsi, Harjeet Singh,

<h4>Introduction</h4>Percutaneous biliary drainage (PTBD) is required as palliation and optimization for surgery or chemotherapy in carcinoma gallbladder (GBC) but may be associated with complications. We aimed to study the outcomes, complications, and changes in quality of life in patients with GBC undergoing PTBD.<h4>Methods</h4>A prospective study from July 2018 to December ... Read more >>

J Gastrointest Cancer (Journal of gastrointestinal cancer)
[2021, :]

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Cross-Phase Modulation Based Ultra-Flat 90-Line Optical Frequency Comb Generation

Vishal Sharma, surinder singh, Lovkesh Bhatia, Elena Anashkina, Alexey Andrianov,

This paper proposed an approach to design an evenly spaced, 1.8 THz spectrally broad and 1.6 dB flat optical frequency comb (OFC) by exploiting the cross-phase modulation in highly nonlinear fiber. The OFC is realized by controlling the phase of the signals in two parallelly placed highly nonlinear fibers. The ... Read more >>

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