Publications by authors named "Gayatri R"

Verrucae vulgaris are infectious keratotic lesions caused by the human papillomavirus (HPV), frequently impairing an individual's quality of life, mainly when situated on the facial region. Verruca vulgaris constitutes a prevalent dermatological issue with diverse repercussions for those affected. The interaction among HPV, the immune system, and treatment methods requires a sophisticated comprehension of this illness.

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The prevalence of teen smokers has increased during the Covid-19 pandemic. Smoking behavior occurs due to exposure to advertising and the promotion of cigarettes. This quantitative research was conducted using cross-sectional approach.

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Dental and oral health are the main indicators of health, well-being, and quality of life. The concept of Oral Health Literacy (OHL) has become important because it regards individual capacity to understand and use dental information to transform into oral health behaviours. Thus, the aim of this study was to discover and describe the OHL status of adults in Malang City and its relationship with sociodemographic status so that it can be used as a basis for making policy.

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Polymeric membranes offer straightforward modification methods that make industry scaling affordable and easy; however, these materials are hydrophobic, prone to fouling, and vulnerable to extreme operating conditions. Various attempts were made in this study to fix the challenges in using polymeric membranes and create mixed-matrix membrane (MMMs) with improved properties and hydrophilicity by adding titanium dioxide (TiO) and pore-forming agents to hydrophobic polyvinylidene fluoride (PVDF). The PVDF mixed-matrix ultrafiltration membranes in this study were made using the non-solvent phase inversion approach which is a simple and effective method for increasing the hydrophilic nature of membranes.

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Providing maternal healthcare services is one of the strategies to decrease maternal mortality. Despite the availability of healthcare services, research investigating the utilization of healthcare services for adolescent mothers in Indonesia is still limited. This study aimed to examine the utilization of maternal healthcare services and its determinants among adolescent mothers in Indonesia.

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Background: As with the hepatocytes, cholangiocyte senescence can also easily be detected in damaged small bile ducts and bile ductules during liver disease affecting the biliary system and cholangiocytes. Despite cellular senescence being a feature of chronic progressive cholangiopathies in adults, only a few studies have investigated its role in liver transplant rejection.

Method: Transplant biopsies displaying features of rejection were reviewed and classified based on the type of rejection and the time since transplantation.

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Objective: This study aimed to analyze the relationship of behavioral risk factors for periodontal disease among 19-64 age group in Malang City.

Method: A non-experimental quantitative analytic with a cross sectional study approach was used in this study. The respondents were 331 patients who visited the dental clinics of the Health Centers in Malang City.

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The spread of infectious diseases arises from complex interactions between disease dynamics and human behavior. Predicting the outcome of this complex system is difficult. Consequently, there has been a recent emphasis on comparing the relative risks of different policy options rather than precise predictions.

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Recent progress in hand surgery has engendered a need for precise knowledge of anatomical variations of blood supply of hand. The present paper describes an unusual organization of palmar arterial arches and attempts to discuss its clinical implications. Double superficial palmar arch of the mediano-ulnar variant was observed with a double deep palmar arch of equal caliber, formed by splitting of deep branches of radial artery and ulnar artery.

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Rat tail tendon (RTT) collagen has been reacted with a homologous series of chromium(III) complexes viz., (H2O)(4)Cr(OH)(2)Cr(H2O)(4+)(4) 1 (dimer), Cr(3)(OH)(4)(H2O)(5+)(9) 2 (trimer), and Cr(4)(OH)(4)(O2)(H2O)(4+)(12) 3 (tetramer), and the structural alterations brought about by these complexes have been investigated through atomic force microscopy (AFM) and circular dichroism (CD) studies. Examination of Cr(III)-treated tendons using AFM revealed changes in the D-periodicity of collagen, which may arise due to differences in the topological distribution of various Cr(III) complexes.

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Bacterial collagenase has now been reacted with a select series of Cr(III) complexes and modifications in the activity of chromium-modified collagenase has been deduced from the extent of hydrolysis of (2-furanacryloyl-L-leucyl-glycyl-L-prolyl-L-alanine), FALGPA. A homologous series of Cr(III) complexes with dimeric, trimeric and tetrameric structures as in 1, 2 and 3 respectively has been investigated for their ability to inhibit the action of collagenase against FALGPA. Whereas competitive and non-competitive modes of inhibition of collagenase are expressed by 1, (dimer) and 2, (trimer) respectively, the tetramer, 3, exhibits poor affinity to collagenase and the inhibition of the enzyme activity is uncompetitive.

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The nature of chromium(III) complexes has been found to show a profound influence in its interaction with collagen. The hydrothermal stability of rat tail tendon (RTT) fibres treated with dimeric, trimeric and tetrameric species of chromium(III) has been found to be 102, 87 and 68 degrees C, while that of native RTT is 62 degrees C. This shows that the efficiency of crosslinking of collagen by chromium(III) species is dimeric > trimeric > tetrameric.

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Pinocytic activity is greatly stimulated in gamma-BHC (gamma isomer of benzene hexachloride) treated, vegetative cells of Dictyostelium discoideum as measured by 14C sucrose or FITC-dextran uptake. Transmission electron microscopic studies also reveal the presence of a greater number of pinosomal vesicles in the pesticide-treated Dictyostelium amoebae. The enhanced pinocytic activity has been discussed in relation to lipophilic interactions of gamma-BHC with the hydrophobic cell surface and the observed changes in the cytoskeletal proteins of the treated cells.

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The effects of dichlorodiphenyl trichloroethane (DDT) on the growth, phagocytic activity, ultrastructure and developmental stages of a well known species of the cellular slime mould, Dictyostelium discoideum were studied. DDT, at doses of 60 ppm and above, inhibited growth of the vegetative cells and this was also evident from the colony blots which were smaller in size. A dose-dependent inhibition occurred in the phagocytic activity and macromolecular syntheses of DDT-treated cells.

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The effects of benzene hexachloride (BHC), an organochlorine pesticide, on cell growth and phosphatase activities were studied in the growing and developing stages of cells of the cellular slime mould Dictyostelium discoideum exposed to BHC (containing alpha-, beta-, delta- and gamma-isomers) at concentrations of > or = 60 micrograms ml-1. A significant increase in acid and alkaline phosphatase activities was recorded in both growing and differentiating Dictyostelium cells treated with different doses (> or = 60 micrograms/ml) of BHC. The cytotoxicity of BHC has been correlated with the stimulation of acid and alkaline phosphatase activities of this organism.

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The effect of an organochlorine pesticide benzene hexachloride (containing alpha, beta, gamma and delta isomers) on the phagocytic activity of the vegetative cells of Dictyostelium discoideum was investigated. Benzene hexachloride (BHC) at concentrations of 60 ppm and above inhibited the phagocytic activity as revealed by 3H-labelled E. coli uptake.

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Chlorpromazine (5 x 10(-3) M) administered to Dictyostelium discoideum cells inhibited its growth and morphogenesis. Cells treated with chlorpromazine were found to have distorted morphology. At lower doses of chlorpromazine the development was delayed.

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