Publications by authors named "Harshdeep Singh"

Dissipation behavior of pyridalyl was determined on cabbage crop following two applications of pyridalyl @ 50 (X), 62.5 (1.25X), and 100 g a.

View Article and Find Full Text PDF

Introduction: This systematic review and meta-analysis were performed to generate evidence on the complication rates between robot-assisted radical cystectomy and intracorporeal ileal conduit (RARC ICIC) and RARC and intracorporeal orthotopic neobladder (RARC ICONB).

Methods: A systematic search of the PubMed, Scopus, and Web of Science databases was performed, and all the articles from inception up to June 30, 2024, were screened. Studies reporting on perioperative complications as per the Clavien-Dindo classification and comparing RARC ICIC with RARC ICONB were included.

View Article and Find Full Text PDF

Quantum computing is finding increasingly more applications in quantum chemistry, particularly to simulate electronic structure and molecular properties of simple systems. The transformation of a molecular Hamiltonian from the fermionic space to the qubit space results in a series of Pauli strings. Calculating the energy then involves evaluating the expectation values of each of these strings, which presents a significant bottleneck for applying variational quantum eigensolvers (VQEs) in quantum chemistry.

View Article and Find Full Text PDF

Vesico-vaginal fistulae require complex reconstructions and robotic assistance can be beneficial in obtaining successful outcomes. In this video, we demonstrate two of our techniques of vesicle-vaginal fistula repair, one with transverse cystotomy and other with vertical cystotomy, along with salient steps of the procedure. The indication, preparation, instrumentation, and surgical steps are also discussed along with a review of available literature.

View Article and Find Full Text PDF

Hückel molecular orbital (HMO) theory provides a semi-empirical treatment of the electronic structure in conjugated π-electronic systems. A scalable system-agnostic execution of HMO theory on a quantum computer is reported here based on a variational quantum deflation (VQD) algorithm for excited state quantum simulation. A compact encoding scheme is proposed here that provides an exponential advantage over the direct mapping and allows for quantum simulation of the HMO model for systems with up to 2n conjugated centers with n qubits.

View Article and Find Full Text PDF

Purpose: To evaluate the association between obstructive sleep apnea (OSA) and thyroid eye disease (TED) and its effect on disease activity.

Methods: A prospective case-control study was conducted from January 2020 to March 2022. All TED patients (group A) were clinically evaluated.

View Article and Find Full Text PDF

Classical optimizers play a crucial role in determining the accuracy and convergence of variational quantum algorithms; leading algorithms use a near-term quantum computer to solve the ground state properties of molecules, simulate dynamics of different quantum systems, and so on. In the literature, many optimizers, each having its own architecture, have been employed expediently for different applications. In this work, we consider a few popular and efficacious optimizers and assess their performance in variational quantum algorithms for applications in quantum chemistry in a realistic noisy setting.

View Article and Find Full Text PDF

It is noticeable how the novel coronavirus has spread from the Wuhan region of China to the whole world, devastating the lives of people worldwide. All the data related to the precautionary measures, diagnosis, treatment, and even the epidemiological data are being made freely accessible and reachable in a very little time as well as being rapidly published to save humankind from this pandemic. There might be neurological complications of COVID-19 and patients suffering from neurodegenerative conditions like Alzheimer's disease and Parkinson's disease might have repercussions as a result of the pandemic.

View Article and Find Full Text PDF

Background: The scale and quality of the global scientific response to the COVID-19 pandemic have unquestionably saved lives. However, the COVID-19 pandemic has also triggered an unprecedented "infodemic"; the velocity and volume of data production have overwhelmed many key stakeholders such as clinicians and policy makers, as they have been unable to process structured and unstructured data for evidence-based decision making. Solutions that aim to alleviate this data synthesis-related challenge are unable to capture heterogeneous web data in real time for the production of concomitant answers and are not based on the high-quality information in responses to a free-text query.

View Article and Find Full Text PDF

Developing vehicles for the delivery of therapeutic molecules, like siRNA, is an area of active research. Nanoparticles composed of bovine serum albumin, stabilized via the adsorption of poly-L-lysine (PLL), have been shown to be potentially inert drug-delivery vehicles. With the primary goal of reducing nonspecific protein adsorption, the effect of using comb-type structures of poly(ethylene glycol) (1 kDa, PEG) units conjugated to PLL (4.

View Article and Find Full Text PDF