Rapid degradation of pharmaceutical pollutants using poly(1-naphthylamine) decorated BaFeO nanohybrids under microwave irradiation.

Unlabelled: Metformin, a widely used antidiabetic drug, has become a growing concern due to its persistence in the environment. It is one of the most frequently detected pharmaceuticals in wastewater and surface water because it is excreted largely unchanged by patients and is not fully removed in conventional wastewater treatment plants. The present study focuses on the synthesis and characterization of BaFeO/poly(1-naphthylamine) (PNA) nanohybrids and their application as microwave-active catalysts for the degradation of metformin.

Timeliness of reperfusion in ST-segment elevation myocardial infarction and outcomes in Kerala, India: results of the TRUST outcomes registry.

Purpose: Transatlantic guidelines endorse quality metrics for timely reperfusion in patients with ST-elevation myocardial infarction (STEMI). Compliance in low- and middle-income countries (LMICs) is largely unknown.

Study Design: We prospectively evaluated 2928 STEMI patients in Kerala, India, across 16 PCI-capable hospitals who received reperfusion with either primary percutaneous coronary intervention (PPCI) or fibrinolysis.

Dye Modified Phenylenediamine Oligomers: Theoretical Studies on Drug Binding for Their Potential Application in Drug Sensors.

The present work reports, for the first time, synthesis of dye incorporated -phenylenediamine (OBB) with a view to obtain a conjugated oligomer with enhanced functionality. The structure was confirmed by IR studies, while the electronic transitions were confirmed by UV visible studies. The dye modified oligomer showed one order higher fluorescence intensity than the pristine Bismarck Brown (BB) dye.

P-wave indices and left atrial mechanics as predictors of atrial cardiopathy in embolic stroke of undetermined source.

Recent research has shed light on the culpability of LA (left atrial) abnormality, in the form of atrial cardiopathy, as an independent risk factor for the development of atrial fibrillation, LA thrombus and subsequent stroke. The aim of this study was to measure LA electromechanical dissociation (EMD), LA volumes, P-wave dispersion (PWD) and P-wave terminal force in V1 (PTFV1) as markers of atrial cardiopathy in patients with ESUS (embolic stroke of undetermined source), to determine whether atrial cardiopathy is an integral part in the causal pathway of ESUS. 28 patients presenting with ischemic stroke and fulfilling the criteria for ESUS were enrolled into this cross-sectional, observational study along with a control group of 28 age- and gender-matched apparently healthy individuals.

Impact of COVID-19 on heart failure hospitalization and outcome in India - A cardiological society of India study (CSI-HF in COVID 19 times study - "The COVID C-HF study").

Objectives: The presentation and outcomes of acute decompensated heart failure (ADHF) during COVID times (June 2020 to Dec 2020) were compared with the historical control during the same period in 2019.

Methods: Data of 4806 consecutive patients of acute HF admitted in 22 centres in the country were collected during this period. The admission patterns, aetiology, outcomes, prescription of guideline-directed medical therapy (GDMT) and interventions were analysed in this retrospective study.

COVID-19 infected ST-Elevation myocardial infarction in India (COSTA INDIA).

Objective: To find out differences in the presentation, management and outcomes of COVID-19 infected STEMI patients compared to age and sex-matched non-infected STEMI patients treated during the same period.

Methods: This was a retrospective multicentre observational registry in which we collected data of COVID-19 positive STEMI patients from selected tertiary care hospitals across India. For every COVID-19 positive STEMI patient, two age and sex-matched COVID-19 negative STEMI patients were enrolled as control.

Sex and Medium-term Outcomes of ST-Segment Elevation Myocardial Infarction in Kerala, India: A Propensity Score-Matched Analysis.

Background: Sex-based differences have been found in outcomes following ST-segment myocardial infarction (STEMI). Studies assessing sex-based differences in STEMI among Indian patients have reported conflicting results.

Methods: A prospective multicenter registry of consecutive patients with STEMI who presented to percutaneous coronary intervention (PCI)-capable hospitals in the Indian state of Kerala between June 2013 and March 2017 was used to assess 1-year outcomes.

Pulmonary Hypertension Registry of Kerala, India (PRO-KERALA): One-year outcomes.

Background: Short term outcomes of patients with pulmonary hypertension are not available from low and middle-income countries including India.

Methods: We conducted a prospective study of 2003 patients with pulmonary hypertension, from 50 centres (PROKERALA) in Kerala, who were followed up for one year. Pulmonary hypertension (PH) was mainly diagnosed on the basis of Doppler echocardiography.

Securinine induces mitotic block in cancer cells by binding to tubulin and inhibiting microtubule assembly: A possible mechanistic basis for its anticancer activity.

Aim: Analysis of the anticancer and antimitotic activity of the plant derived alkaloid securinine along with its effect on the organization of cellular microtubules as well as its binding with purified goat brain tubulin in-vitro.

Materials And Methods: The cytotoxicity of securinine on different cell lines was conducted using SRB assay. The effect of securinine on the cellular microtubules was analyzed using immunofluorescence microscopy.

Pitfalls in comparison of coronary artery measurements of Indian population with different geographical area studies.

Introduction: Coronary artery disease (CAD) is the most common cause of morbidity and mortality especially in the developing countries. Coronary artery measurements (CAM) are the most important factor affecting the procedure and outcome of coronary angioplasty (PCI) as well as coronary by-pass operations (CABG). In this study, we aimed to establish a database for the normal CAM as well as for gender difference among the Indian population using quantitative coronary angiography (QCA) with an objective of assessing normal coronary vessel morphology of patients with normal coronaries.

A milestone in prediction of the coronary artery dimensions from the multiple linear regression equation.

Bachground /aim: Coronary artery imaging is one of the most commonly used diagnostic methods. We aimed to investigate whether there is a correlation between left main coronary artery (LMCA), left anterior descending artery (LAD) and left circumflex artery (LCx) artery dimensions in normal cases and a possibility to express the coronary dimensions by multiple linear equations.

Materials And Methods: Images of coronary angiograms of 925 normal cases selected from 3855 cases made up the study population (515 men and 410 women; age range, 30-75 years).

Spectroscopic and Biophysical Interaction Studies of Water-soluble Dye modified poly(o-phenylenediamine) for its Potential Application in BSA Detection and Bioimaging.

Ultrasound-assisted synthesis of water soluble poly(o-phenylenediamine) (POPD) and its doping with Acid Orange (AO), Fluorescein (Fluo) and Rhodamine-6G (R6G) dyes was carried out with a view to enhance the photophysical properties of POPD. XPS studies confirmed that doping of POPD occured through hydrogen bonding between NH group of POPD and C=O/SO, S=O groups of the dyes. The presence of strong hydrogen bonding was also confirmed via UV-vis studies by the addition of urea and sodium chloride to the dye modified POPD adducts.

Carbon dot festooned and surface passivated graphene-reinforced chitosan construct for tumor-targeted delivery of TNF-α gene.

Gene therapy is a promising alternative that ensures effective treatment and cure for cancer. Here, we report graphene-reinforced chitosan (CS) construct based non-viral vector for tumor-targeted gene therapy. The therapeutic gene, pDNA-TNF-α, was loaded on to chitosan-carboxylated graphene oxide (CS-CGO) construct via electrostatic interaction.

Gender-associated dimensional differences among normal to non-flow limiting coronary artery dimensions.

Aim And Objectives: To study gender-specific differences in coronary artery diameters among subjects with normal to non-flow limiting disease (NFLD) coronary arteries (up to 0 - 20% of stenosis) and to assess the possible association of body-mass index (BMI) with coronary dimensions, among the west coastal population of Karnataka and Kerala.

Materials And Methods: A prospective cohort study was conducted for a period of one year. Two thousand angiograms samples were collected and assessed from two study centers (one from each state), after obtaining the ethical clearance.

Zerumbone, a cyclic sesquiterpene, exerts antimitotic activity in HeLa cells through tubulin binding and exhibits synergistic activity with vinblastine and paclitaxel.

Objectives: The aim of this study was to elucidate the antimitotic mechanism of zerumbone and to investigate its effect on the HeLa cells in combination with other mitotic blockers.

Materials And Methods: HeLa cells and fluorescence microscopy were used to analyse the effect of zerumbone on cancer cell lines. Cellular internalization of zerumbone was investigated using FITC-labelled zerumbone.

Pulmonary hypertension registry of Kerala, India (PRO-KERALA) - Clinical characteristics and practice patterns.

Background: Epidemiological data on pulmonary hypertension (PH) are scarce from developing countries including India.

Methods: We established a multi-center registry of PH, the PRO-KERALA registry, in Kerala, India. Fifty hospitals enrolled consecutive adult (>18 years) patients for one year.

Indirubin, a bis-indole alkaloid binds to tubulin and exhibits antimitotic activity against HeLa cells in synergism with vinblastine.

Indirubin, a bis-indole alkaloid used in traditional Chinese medicine has shown remarkable anticancer activity against chronic myelocytic leukemia. The present work was aimed to decipher the underlying molecular mechanisms responsible for its anticancer attributes. Our findings suggest that indirubin inhibited the proliferation of HeLa cells with an IC of 40 μM and induced a mitotic block.

Highly Efficient Photocatalytic Degradation of Amido Black 10B Dye Using Polycarbazole-Decorated TiO Nanohybrids.

The present study reports the synthesis of polycarbazole (PCz)-decorated TiO nanohybrids via in situ chemical polymerization of carbazole monomers in TiO dispersions. The ratio of the polymer in the nanohybrid varied between 0.5 and 2 wt %.

The design and rationale of the primary angioplasty registry of Kerala.

Background: ST-elevation myocardial infarction (STEMI) continues to be a major cause of cardiovascular mortality in Kerala, India. Timely primary percutaneous coronary intervention (PCI) is the recommended reperfusion strategy for STEMI. There is limited data on the safety, effectiveness, equity and efficiency of regional primary PCI services in India.

Influence of Luminol Doping of Poly(o-phenylenediamine) on the Spectral, Morphological, and Fluorescent properties: A Potential Fluorescent Marker for Early detection and Diagnosis of Leishmania donovani.

There has been a steady progress in the development of doped conjugated polymers to remarkably improve their photo physical properties for their application as biomarkers. With a view to enhance the spectral, morphological, and photo physical properties of poly(o-phenylenediamine) (POPD), the present work reports the synthesis of poly(o-phenylenediamine) and doping of this polymer using luminol. The formation of luminol-doped POPD was confirmed by infrared and ultraviolet-visible spectroscopies and X-ray diffraction studies.

Berberine Induces Toxicity in HeLa Cells through Perturbation of Microtubule Polymerization by Binding to Tubulin at a Unique Site.

Berberine has been used traditionally for its diverse pharmacological actions. It exhibits remarkable anticancer activities and is currently under clinical trials. In this study, we report that the anticancer activity of berberine could be partly due to its inhibitory actions on tubulin and microtubule assembly.

Consensus Recommendation for India and Bangladesh for the Use of Pneumococcal Vaccine in Mass Gatherings with Special Reference to Hajj Pilgrims.

Respiratory tract infections are prevalent among Hajj pilgrims with pneumonia being a leading cause of hospitalization. is a common pathogen isolated from patients with pneumonia and respiratory tract infections during Hajj. There is a significant burden of pneumococcal disease in India, which can be prevented.

Tuning the spectral, morphological and photophysical properties of sonochemically synthesized poly(carbazole) using acid Orange, fluorescein and rhodamine 6G.

The lifetimes and quantum yields of organic dyes are widely investigated due to their potential application in organic light emitting diodes (OLEDs). With a view to explore the possibility of enhancing the fluorescent properties of organic conjugated polymers such as polycarbazole, the present preliminary study reports for the first time, dye modification of polycarbazole using as acid orange (AO), fluorescein (Fluo) and Rhodamine 6G (R6G) for improving its fluorescence properties. The modification of PCz via doping was confirmed by FTIR, UV-visible, XRD and TEM analyses.

Influence of Conducting Polymer as Filler and Matrix on the Spectral, Morphological and Fluorescent Properties of Sonochemically Intercalated poly(o-phenylenediamine)/Montmorillonite Nanocomposites.

Background: Nanocomposites consisting of spatially confined polymeric chains are of great interest due to their application in optoelectronic and photonics devices. Polymer layered silicate nanocomposites have attracted much attention in industry as well as academia owing to their remarkable physical and chemical properties as compared to conventional polymer nanocomposites.

Methods: In present study, comparative investigation of the in-situ polymerization of poly(ophenylenediamine) intercalated montmorillonite has been done via two methods i.

Double layered hydroxides as potential anti-cancer drug delivery agents.

The emergence of nanotechnology has changed the scenario of the medical world by revolutionizing the diagnosis, monitoring and treatment of cancer. This nanotechnology has been proved miraculous in detecting cancer cells, delivering chemotherapeutic agents and monitoring treatment from non-specific to highly targeted killing of tumor cells. In the past few decades, a number of inorganic materials have been investigated such as calcium phosphate, gold, carbon materials, silicon oxide, iron oxide, and layered double hydroxide (LDH) for examining their efficacy in targeting drug delivery.