Publications by authors named "Rekha Rani"

Supercapacitors (SCs) are well recognized for their excessive power output and cycling stability, but they often suffer from limited energy density. A promising solution to this challenge is the hybrid supercapattery (HSC) concept, which integrates two different electrodes with disparate charge-storage systems to provide energy and power. In this work, transition-metal phosphides (TMPs), specifically a Cu-doped cobalt phosphide wrapped with an N-doped porous carbon network (CCP-NPC), were used as positive electrode materials in HSCs.

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Article Synopsis
  • - Mood disorders, particularly depression, are a major global health issue, with many people not responding well to existing antidepressant treatments, prompting the need for new therapies.
  • - The study investigates new pharmaceutical interventions for Major Depressive Disorder (MDD), focusing on novel therapeutic agents and the biological pathways they target.
  • - While traditional antidepressants will remain the main treatment, ongoing research is revealing promising new compounds and their potential effectiveness in treating MDD.
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Numerous factors, such as genetics, environmental factors, and illness determinants, might contribute to an unpleasant pharmaceutical response. In an effort to increase efficacy and safety, as well as to gain a better understanding of drug disposition and clinical consequences, researchers in the two quickly emerging fields of pharmacogenetics (which focuses on single genes) and pharmacogenomics (which focuses on many genes) have studied the genetic personalization of drug response. This is due to the fact that a large number of pharmacological responses seem to be genetically based, and the relationship between medication response and genotype may be important for diagnosis.

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Barium lead alumino fluoroborate (BaPbAlFB) glasses singly and co-doped with Dy and Eu ions were prepared by melt quench method and studied their photoluminescence (PL) properties along with energy migration. Singly doped Dy/Eu ions in BaPbAlFB glasses under 365 and 393 nm excitation wavelengths emit the PL bands through Dy: (F → H and F → H) and Eu: (D→F) transitions located at (Dy: 483 and 575 nm) and (Eu: 613 nm) respectively. Further, tunability of PL emissions is achieved by exciting the Dy/Eu co-doped BaPbAlFB glasses at various wavelengths.

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A novel approach for in situ transesterification, extraction, separation, and purification of fatty acid ethyl esters (FAEE) for biodiesel and docosahexaenoic acid (DHA) from Thraustochytrid biomass has been developed. The downstream processing of Thraustochytrids oil necessitates optimization, considering the higher content of polyunsaturated fatty acids (PUFA). While two-step methods are commonly employed for extracting and transesterifying oil from oleaginous microbes, this may result in oxidation/epoxidation of omega-3 oil due to prolonged exposure to heat and oxygen.

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The study focuses on the simultaneous improvement of biomass, lipid, and docosahexaenoic acid (DHA) productivities in a single reactor using modulator control strategies. The efficacy of three different biochemical modulators, sesamol (Ses), 6-benzylaminopurine (6-BAP), and ethylenediaminetetraacetic acid (EDTA), as potential stimulants in augmenting the biomass, lipid, and DHA production of Schizochytrium sp. MTCC 5890 was elucidated.

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Objectives: To analyse correlation of past history of tuberculosis with present state of infertility with respect to HSG and diagnostic findings, with a view to assess the frequency of genital tuberculosis in infertile women, its clinical presentation and association with infertility.

Materials And Methods: The study is an ongoing study conducted in the Department of Obstetrics and Gynaecology, Kasturba Hospital, Delhi and included 174 infertile women enrolled as OPD patients in our hospital. A detailed history with special emphasis on past history of tuberculosis, thorough clinical examination, all routine investigations for Infertility & special investigations for genital tuberculosis was done.

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The present study provides an integrated method for utilizing the wastewaters from second generation (2G) ethanol pretreatment plant for microalgal biomass and lipid production. The study was conducted using a mixture of wastewaters (referred as MW; pH 4.3) generated after washing of acidic and alkaline-soaked lignocellulosic biomass prior to pretreatment process.

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Background: There is a deluge of information available and circulated about COVID-19, during the ongoing course of the pandemic. This study was conducted to assess knowledge, attitudes, practices, and behavior regarding COVID-19 among serving soldiers.

Methods: A quick cross-sectional online survey was conducted using a web portal and social media platform, wherein a pretested questionnaire was uploaded.

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The ZnO + BiO + BaF + BO + TeO (ZnBiBaBFTe) host glass was prepared by melt quenching technique with the aim of achieving white light emission from Dy ions. Their structural and spectroscopic properties were systemically investigated by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), UV-Visible absorption, emission spectra and decay times. Judd-Ofelt (JO) parameters (Ω) evaluated from absorption spectrum were utilized to calculate the radiative parameters for F level of Dy ions.

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Aquaporins are pore-forming transmembrane proteins that facilitate the movement of water and many other small neutral solutes across the cells and intracellular compartments. Plants exhibits high diversity in aquaporin isoforms and broadly classified into five different subfamilies on the basis of phylogenetic distribution and subcellular occurrence: plasma membrane intrinsic proteins (PIPs), tonoplast intrinsic proteins (TIPs), nodulin 26-like proteins (NIPs), small basic intrinsic proteins (SIPs) and uncharacterized intrinsic proteins (XIPs). The gating mechanism of aquaporin channels is tightly regulated by post-translational modifications such as phosphorylation, methylation, acetylation, glycosylation, and deamination.

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Aquaporins are versatile proteins involved in several biological as well as molecular functions, and they have been extensively studied in various plant systems. Increasing evidences indicate their role in biotic and abiotic stresses, and therefore, studying these proteins in a naturally stress-tolerant crop would provide further insights into the roles of this important protein family. Given this, the present study was performed in foxtail millet (Setaria italica), a model plant for studying biofuel, stress tolerance, and C photosynthetic traits.

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Objective: To identify the obstetric risk factors, incidence, and causes of uterine rupture, management modalities, and the associated maternal and perinatal morbidity and mortality in one of the largest tertiary level women care hospital in Delhi.

Materials And Methods: A 7-year retrospective analysis of 47 cases of uterine rupture was done. The charts of these patients were analyzed and the data regarding demographic characteristics, clinical presentation, risk factors, management, operative findings, maternal and fetal outcomes, and postoperative complications was studied.

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IUD's like Lippes Loop (LL), intended for long term use are retained for years and menopausal ladies often present with LL in situ either deliberately or forgotten. We report a case of Lippes Loop removal inserted 45 years back in a woman complaining of post menopausal bleeding. The inserted LL thread was incidentally discovered during clinical examination and Ultrasonography.

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Little is known about the changes in gut resident flora during amebic colitis and amebic liver abscess (ALA) caused by Entamoeba histolytica infection. Fecal samples from ALA patients, from healthy E. histolytica negative and positive (asymptomatic) individuals, and from pre- and post-metronidazole-treated healthy volunteers and pus samples from ALA patients were tested for the presence of various bacterial genera using 16S rRNA-based primers.

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It was observed that clotting time decreased with the increased concentrations of LAS. However, the decrease was more pronounced at LC50 for 24 h and at the end of 96 h LC50, it was very close to control values.

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ESR increased at all concentrations and exposures to LAS. However, increases were more pronounced at LC50 for 24 h and minimum at the end of 96 h.

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