Publications by authors named "Dushyant Singh"

Among the several unsymmetrical bis-NHC derived distinct homo-bimetallic and mono-NHC supported Pd complexes studied here (1-5), the bimetallic complex 1 was noted to be the most effective catalyst for the challenging hydrodefluorination. The electron richness of the metal centers and the synergistic cooperation between the Pd centers (cooperativity index, = 8.67) have been recognized to be the deciding factor for its better activity.

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The human face is considered the prime entity in recognizing a person's identity in our society. Henceforth, the importance of face recognition systems is growing higher for many applications. Facial recognition systems are in huge demand, next to fingerprint-based systems.

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COVID-19 is a severe epidemic that has put the world in a global crisis. Over 42 Million people are infected, and 1.14 Million deaths are reported worldwide as on Oct 23, 2020.

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Eggplant is the third most important Solanaceae crop after tomato and potato, particularly in India and China. A transcriptome analysis of eggplant's fruit was performed to study genes involved in medicinal importance and allergies. Illumina HiSeq 2000 system generated 89,763,638 raw reads (~18 Gb) from eggplant.

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Epigeic earthworms can significantly hasten the decomposition of organic matter, which is known to be mediated by gut associated microflora. However, there is scanty information on the abundance and diversity of the gut bacterial flora in different earthworm genera fed with a similar diet, particularly Eisenia foetida and Perionyx excavatus. In this context, 16S rDNA based clonal survey of gut metagenomic DNA was assessed after growth of these two earthworms on lignocellulosic biomass.

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A trypsin inhibitor purified from the seeds of the Manila tamarind, Pithecellobium dulce (PDTI), was studied for its effects on growth parameters and developmental stages of Helicoverpa armigera. PDTI exhibited inhibitory activity against bovine trypsin (∼86%; ∼1.33 ug/ml IC50).

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An affinity purified trypsin inhibitor from the seed flour extracts of Madhuca indica (MiTI) on denaturing polyacrylamide gel electrophoresis showed that MiTI consisted of a single polypeptide chain with molecular mass of ~19.8 kDa. MiTI inhibited the total proteolytic and trypsin-like activities of the midgut proteinases of Helicoverpa armigera larvae by 87.

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Helicoverpa armigera is one of the major devastating pests of crop plants. In this context a serine peptidase inhibitor purified from the seeds of Butea monosperma was evaluated for its effect on developmental physiology of H. armigera larvae.

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A trypsin inhibitor was purified from the seeds of Eugenia jambolana (Jambul) with a fold purification of 14.28 and a yield recovery of 2.8%.

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A case is reported of a 50-year-old woman with a history of small-cell lung cancer admitted with pancreatic head lesions, discovered during investigation for obstructive jaundice. Endoscopic ultrasound assisted fine needle aspiration of the pancreatic mass was consistent with small cell carcinoma, presenting as an isolated metastasis from the previously diagnosed lung cancer. Endoscopic retrograde cholangiopancreatography (ERCP) showed extrinsic compression and a bile duct stricture, requiring sphincterotomy and stent insertion.

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Background: Patients who undergo percutaneous endoscopic gastrostomy (PEG) placement are often on anticoagulation and/or antiplatelet therapy with a potential thromboembolic risk if these medications are discontinued. Data on the safety of peri-procedural use of these drugs is limited.

Aims: To assess the risk and to identify any predictive factors for post-PEG bleeding, and to determine if clopidogrel increases the risk of bleeding following PEG.

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Background: Computerized Physician Order Entry (CPOE) has the potential to decrease medical errors and improve quality. Our health system plans to implement CPOE in response to the ARRA HITECH Act.

Objectives: To determine (A) physicians' projections of the most important characteristics of a CPOE system that will affect their willingness to adopt CPOE, and (B) the obstacles they foresee in adopting CPOE.

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Acute esophageal necrosis (AEN), also known as "Black esophagus", is a rare condition that typically presents as upper gastrointestinal hemorrhage. A retrospective chart analysis was conducted at two tertiary care hospitals over a three-year period (2005-2007) using a computerized inpatient database. Out of 9,179 upper endoscopies performed, five patients (0.

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Churg Strauss syndrome (CSS) is a rare syndrome of vasculitis of the small to medium vessels, characterized by a triad of asthma, eosinophilia and atopic sinusitis. Although asthma is the most common manifestation, it is rarely associated with poor prognosis. Severe gastrointestinal tract manifestations are associated with worse outcomes.

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We report a case of an extremely rare high-grade, undifferentiated cardiac sarcoma. The patient with left atrial myxoma resected 8 months ago presented with pneumonia, congestive heart failure, and subsequently diagnosed to have cardiac sarcoma. Transoesophageal echocardiogram played an important role in diagnosis of left atrial mass.

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Context: Chief residents play a crucial role in internal medicine residency programs in administration, academics, team building, and coordination between residents and faculty. The work-life and demographic characteristics of chief residents has not been documented.

Objective: To delineate the demographics and day-to-day activities of chief residents.

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Jejunoileal bypass (JIB), popular in the 1960s and 1970s, had remarkable success in achieving weight loss by creating a surgical short bowel syndrome. Our patient had an unusual case of liver disease and provided no history of prior bariatric surgery. Later, it was recognized that he had a JIB in the 1970s, which was also responsible for the gamut of his illnesses.

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