Rapid and accurate detection of Escherichia coli (E. coli) is critical for maintaining water quality, and protecting aquatic ecosystems and public health. This research focuses on the development of a Förster resonance energy transfer (FRET)-based "turn-on" fluorescent nanosensor for real time, sensitive detection of E.
View Article and Find Full Text PDFTor putitora is an endangered cyprinid fish constrained to cold water and is also considered an indicator of a healthy aquatic ecosystem. The present study aimed to examine the haplotypic diversity, genetic variation and population structure of T. putitora isolates using COI and Cyt b gene sequences submitted in GenBank.
View Article and Find Full Text PDFSpectrochim Acta A Mol Biomol Spectrosc
December 2024
A sensitive and efficient fluorescent sensor based on a magnetic manganese-doped zinc sulfide molecularly imprinted probe (FeO/Mn-ZnS/MIP) was successfully developed for the detection of chlorpyrifos (CPF). The probe combined the advantages of magnetic separation, the fluorescence properties of Mn-ZnS, and the exceptional molecule recognition capabilities of molecularly imprinted polymers. The developed sensor exhibits selective binding to CPF, resulting in a quenching of fluorescence intensity of FeO/Mn-ZnS/MIP by a photo-induced electron transfer mechanism.
View Article and Find Full Text PDFBackground: Adoptive transfer of autologous regulatory T cells (Tregs) is a promising therapeutic strategy aimed at enabling immunosuppression minimization following kidney transplantation. In our phase 1 clinical trial of Treg therapy in living donor renal transplantation, the ONE Study (ClinicalTrials.gov: NCT02129881), we observed focal lymphocytic infiltrates in protocol kidney transplant biopsies that are not regularly seen in biopsies of patients receiving standard immunosuppression.
View Article and Find Full Text PDFThe oncoimmunology research has witnessed notable advancements in recent years. Reshaping the tumor microenvironment (TME) approach is an effective method to improve antitumor immune response. The T cell-mediated antitumor response is crucial for favorable therapeutic outcomes in several cancers.
View Article and Find Full Text PDFBackground: New vaccines for pregnant women have recently been introduced in some high-income countries to protect infants in early life. Implementing maternal immunisation (MI) successfully in low- and middle-income countries will require planning and adaptations to immunisation and maternal health programs. To inform cost of MI delivery studies, we gathered perspectives from key stakeholders in five countries (Bangladesh, Ghana, Kenya, Mozambique, and Nepal) regarding health system requirements, opportunities, and challenges to introducing new maternal vaccines into routine health programs.
View Article and Find Full Text PDFSample carryover is a common problem in hydrogen-deuterium exchange mass spectrometry, particularly because immobilized protease columns cannot withstand the high organic solvent concentrations typically used in liquid chromatography-mass spectrometry (LC-MS) for cleaning. Conventional cleaning methods using injections of guanidine HCl still suffer from carryover and may require four blanks after each sample run to fully remove carryover. We have implemented an additional LC pump to deliver customized wash solutions to protease and enzyme columns, and the associated LC capillaries to eliminate carryover.
View Article and Find Full Text PDFBackground: Distal radius fractures (DRFs) are some of the most common injuries suffered by the elderly; however, there are varied opinions on management. As there is limited research on patient factors affecting functional outcomes in conservatively managed patients with DRFs, this study aimed to find predictive factors for functional outcomes in such patients.
Methods: Patients with DRFs satisfying the inclusion criteria were managed with closed reduction and slab followed by cast application.
Introduction: Acetabulum fractures involving both columns are complicated injuries to treat, and achieving satisfactory post operative reduction with less extensile approaches is difficult. These injuries often require dual approaches, associated with their own share of complications. The anterior intrapelvic approach (AIP) addresses both columns through a single approach, minimizing these complications.
View Article and Find Full Text PDFThe Himalayan alpine treeline varies depending on altitude and aspects, supporting a variety of plant species. In recent years, climate changes have exerted pressure on the vegetation in this region, challenging its adaptation to rapidly changing environmental conditions. This systematic review commenced by formulating a research question on the impact of climate change on Himalayan alpine treeline vegetation and conducted a thorough literature search, adhering to the PRISMA protocol.
View Article and Find Full Text PDFMercury (Hg) has been recognized as a global pollutant with a toxic, mobile, and persistent nature. It adversely affects the ecosystem and human health. Already developed biosensors for Hg detection majorly suffer from poor sensitivity and specificity.
View Article and Find Full Text PDFNew respiratory syncytial virus (RSV) maternal vaccines have begun roll out in some countries, with efforts in progress to broaden access worldwide and shorten the timeline to access for low- and middle-income countries (LMICs). Prior to new maternal immunization (MI) introductions, countries will need to evaluate their capacity and readiness for successful introduction. The World Health Organization's Maternal Immunization and Antenatal Care Situation Analysis (MIACSA) project (2016-2019) developed a checklist for countries to self-evaluate their capacity to introduce new maternal vaccines.
View Article and Find Full Text PDFBackground: There are limited data on the real-world utilization of disease-modifying antirheumatic drugs (DMARDs) in Indian patients with rheumatoid arthritis (RA).
Methods: This was a cross-sectional study of a multicentric observational cohort of RA patients across rheumatology clinics at six centers across India. Patients who met the American College of Rheumatology (ACR) 2010 criteria for RA were included.
An infant with intrauterine growth restriction, suspected of having MIRAGE syndrome based on prenatal ultrasound, presented with genital ambiguity, adrenal insufficiency, intractable diarrhea from birth, and a pathogenic mutation (). Endoscopic biopsies of the duodenum revealed complex light and electron microscopic abnormalities. Hypoplastic villi without signs of enteritis suggests a disorder of mucosal growth with reduced absorptive surface area contributes to intractable diarrhea.
View Article and Find Full Text PDFA new class of cyclic dipeptide-isatin hybrids was synthesized using 2,5-diketopiperazine and various isatin derivatives bearing flexible chains and extended aromatic rings in a double Knoevenagel condensation process. These new series demonstrate high solubility and good thermal stability with decomposition temperatures exceeding 370 °C, especially the molecular design with efficient space-filling (CI5 and CI6) stabilized columnar liquid crystalline phase. The hole and electron carrier mobility of the CI5 compound, measured using the space charge limited current (SCLC) technique, were found to be 9.
View Article and Find Full Text PDFCancer is a prominent global cause of mortality. Palladium complexes have the potential to serve as effective anticancer and pharmacological agents, offering a viable alternative to platinum medications. This work focused on the development of a new thiolato-bridged dinuclear [Pd(M3MPyThU)Cl]2 and mononuclear palladium [Pd(M3MPyThU)2] complexes containing 1-methyl-3-(3-methylpyridin-2-yl) thiourea (HM3MPyThU) ligand.
View Article and Find Full Text PDFIndian J Otolaryngol Head Neck Surg
December 2024
This research explores the design of an infrared (IR) photodetector using mercury cadmium telluride (HgCdTe). It proposes two- and three-dimensional homojunction models based on p-HgCdTe/n-HgCdTe, focusing on applications in the long-wavelength infrared range. The photodetector's performance is analyzed using Silvaco ATLAS TCAD software and compared with analytical calculations based on drift-diffusion, tunneling, and Chu's approximation techniques.
View Article and Find Full Text PDFTo describe the triple S technique for aiding the visualization (staining), preparation (sizing), and placement (sliding) of human amniotic membrane grafts in cases of refractory macular holes (MHs). Brilliant blue-green dye was used to stain the graft before insertion for improved visualization and to aid in its orientation. Preoperative optical coherence tomography-based sizing of the graft was performed, and a dermal trephine was used to fashion the graft according to size.
View Article and Find Full Text PDFProc Natl Acad Sci U S A
November 2024
Animal behavior is organized into nested temporal patterns that span multiple timescales. This behavior hierarchy is believed to arise from a hierarchical neural architecture: Neurons near the top of the hierarchy are involved in planning, selecting, initiating, and maintaining motor programs, whereas those near the bottom of the hierarchy act in concert to produce fine spatiotemporal motor activity. In , behavior on a long timescale emerges from ordered and flexible transitions between different behavioral states, such as forward, reversal, and turn.
View Article and Find Full Text PDFA series of rationally designed benzothiazole-derived thioacetamides was synthesized and investigated for monoamine oxidases (MAO-A and MAO-B) and cholinesterases (AChE and BChE) inhibition properties. The tested compounds 18-31 inhibited MAO-A and MAO-B in the micromolar to nanomolar range and AChE in the submicromolar range. Compound 28 was identified as the most potent MAO-A inhibitor with an IC = 0.
View Article and Find Full Text PDF