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Search Results: 1 - 10 of 277 matches for " Manas Kanoksil "
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Epidemiology, Microbiology and Mortality Associated with Community-Acquired Bacteremia in Northeast Thailand: A Multicenter Surveillance Study
Manas Kanoksil, Anchalee Jatapai, Sharon J. Peacock, Direk Limmathurotsakul
PLOS ONE , 2013, DOI: 10.1371/journal.pone.0054714
Abstract: Background National statistics in developing countries are likely to underestimate deaths due to bacterial infections. Here, we calculated mortality associated with community-acquired bacteremia (CAB) in a developing country using routinely available databases. Methods/Principal Findings Information was obtained from the microbiology and hospital database of 10 provincial hospitals in northeast Thailand, and compared with the national death registry from the Ministry of Interior, Thailand for the period between 2004 and 2010. CAB was defined in patients who had pathogenic organisms isolated from blood taken within 2 days of hospital admission without a prior inpatient episode in the preceding 30 days. A total of 15,251 CAB patients identified, of which 5,722 (37.5%) died within 30 days of admission. The incidence rate of CAB between 2004 and 2010 increased from 16.7 to 38.1 per 100,000 people per year, and the mortality rate associated with CAB increased from 6.9 to 13.7 per 100,000 people per year. In 2010, the mortality rate associated with CAB was lower than that from respiratory tract infection, but higher than HIV disease or tuberculosis. The most common causes of CAB were Escherichia coli (23.1%), Burkholderia pseudomallei (19.3%), and Staphylococcus aureus (8.2%). There was an increase in the proportion of Extended-Spectrum Beta-Lactamases (ESBL) producing E. coli and Klebsiella pneumoniae over time. Conclusions This study has demonstrated that national statistics on causes of death in developing countries could be improved by integrating information from readily available databases. CAB is neglected as an important cause of death, and specific prevention and intervention is urgently required to reduce its incidence and mortality.
Activities of Daily Living Associated with Acquisition of Melioidosis in Northeast Thailand: A Matched Case-Control Study
Direk Limmathurotsakul ,Manas Kanoksil,Vanaporn Wuthiekanun,Rungrueng Kitphati,Bianca deStavola,Nicholas P. J. Day,Sharon J. Peacock
PLOS Neglected Tropical Diseases , 2013, DOI: 10.1371/journal.pntd.0002072
Abstract: Background Melioidosis is a serious infectious disease caused by the Category B select agent and environmental saprophyte, Burkholderia pseudomallei. Most cases of naturally acquired infection are assumed to result from skin inoculation after exposure to soil or water. The aim of this study was to provide evidence for inoculation, inhalation and ingestion as routes of infection, and develop preventive guidelines based on this evidence. Methods/Principal Findings A prospective hospital-based 1:2 matched case-control study was conducted in Northeast Thailand. Cases were patients with culture-confirmed melioidosis, and controls were patients admitted with non-infectious conditions during the same period, matched for gender, age, and diabetes mellitus. Activities of daily living were recorded for the 30-day period before onset of symptoms, and home visits were performed to obtain drinking water and culture this for B. pseudomallei. Multivariable conditional logistic regression analysis based on 286 cases and 512 controls showed that activities associated with a risk of melioidosis included working in a rice field (conditional odds ratio [cOR] = 2.1; 95% confidence interval [CI] 1.4–3.3), other activities associated with exposure to soil or water (cOR = 1.4; 95%CI 0.8–2.6), an open wound (cOR = 2.0; 95%CI 1.2–3.3), eating food contaminated with soil or dust (cOR = 1.5; 95%CI 1.0–2.2), drinking untreated water (cOR = 1.7; 95%CI 1.1–2.6), outdoor exposure to rain (cOR = 2.1; 95%CI 1.4–3.2), water inhalation (cOR = 2.4; 95%CI 1.5–3.9), current smoking (cOR = 1.5; 95%CI 1.0–2.3) and steroid intake (cOR = 3.1; 95%CI 1.4–6.9). B. pseudomallei was detected in water source(s) consumed by 7% of cases and 3% of controls (cOR = 2.2; 95%CI 0.8–5.8). Conclusions/Significance We used these findings to develop the first evidence-based guidelines for the prevention of melioidosis. These are suitable for people in melioidosis-endemic areas, travelers and military personnel. Public health campaigns based on our recommendations are under development in Thailand.
Polarizabilities of Impurity Doped Quantum Dots under Pulsed Field: Role of Additive White Noise  [PDF]
Surajit Saha, Manas Ghosh
Open Journal of Microphysics (OJM) , 2015, DOI: 10.4236/ojm.2015.51001
Abstract: We make a rigorous exploration of the profiles of a few diagonal and off-diagonal components of linear (αxx, αyy, αxy andαyx), first nonlinear (βxxx, βyyy, βxyy andβyxx), and second nonlinear (γxxxx, γyyyy, γxxyyandγyyxx) polarizabilities of quantum dots under the influence of external pulsed field. Simultaneous presence of additive white noise has also been considered. The quantum dot contains dopant described by a Gaussian potential. The numbers of pulse and the dopant location have been found to fabricate the said profiles jointly. The β components display greater complexity in their profiles in comparison with the α and γ counterparts. The presence of noise prominently enhances the influence of dopant coordinate on the polarizability profiles, particularly for α and γ components. However, for β components, the said influence becomes quite evident both in the presence and absence of additive noise. The study reveals some means of achieving stable, enhanced, and often maximized output of noise-driven linear and nonlinear polarizabilities.
The spectrum of thyroid autoimmunity
Chatterjee Manas
Indian Journal of Dermatology , 2006,
Abstract: A 45 year old male presented with dry skin, facial puffiness, weight gain, constipation and lethargy for five months. He had been diagnosed as thyrotoxicosis fifteen years back and improved after oral antithyroid drugs. General examination revealed bradycardia, obesity, hoarseness, proptosis and acropachy. Dermatological examination revealed pretibal as well as generalised myxoedema with cold, hyperpigmented and xerotic skin. Hair was thin, coarse and brittle and nails brittle. Face appeared puffy, expressionless and eyelids wrinkled and drooping. Palms, soles had a yellowish hue. The neck revealed a diffusely enlarged thyroid. Hormone profile revealed reduced T3, T4 and raised TSH. Thyroperoxidase antibody was positive. ECG showed low voltage sinus bradycardia. X-ray hands substantiated thyroid acropachy. Skin biopsy confirmed pretibial myxoedema. He was diagnosed as Graves disease with past hyperthyroidism and present hypothyroid state and managed with oral thyroxine with improvement. The pretibial myxoedema was successfully managed with intralesional and topical steroids.
Gluteal primary cutaneus actinomycosis
Chatterjee Manas
Indian Journal of Dermatology , 2005,
Abstract: A 58 year old male presented with multiple areas of painless purulent discharge from the buttocks. He had pallor and dermatological examination revealed multiple subcutaneus nodules and discharging sinuses over the buttocks with hyperpigmentation and indurated puckered scarring. Examination of the pus revealed ′sulphur granules′ and Gram stain showed narrow bacillary forms and elongated hyphae with occasional branching. Skin biopsy revealed granular colonies in which ′ray fungus′ were seen. In brain-heart glucose agar in anerobic environment, white spidery colonies of Actinomyces israelii were grown at 37o C in 4 days, confirming primary cutaneus actinomycosis. He was managed with capsule doxycycline with regression of pus discharge in 6 weeks and therapy is planned for 18 months.
Algunos correlatos perceptivos de la sensibilidad estética
Manas Raychaudhuri
Revista Latinoamericana de Psicología , 1972,
Abstract: This study investigated the supposed relationship between aesthetic- artistic sensítivity, and a number of perceptual attributes such as tolerance of ambiguity, preference for complexíry, perceptual independence and projectíon of dynamism on unstructured stimuli. Two groups of aesthetic (N=30) and non aesthetic (N=30) Ss were given the Revised Art (RA) , Conformance (CF), Movement (MV) scales of the Welsh Figure Preference Test (WFTP) and the Rorschach inkblots (for M only) individually. The results provide support for the hypothesized linking of the aforesaid perpectual characterístic to aesthetic-artístic sensitivity.
S-functions, reductions and hodograph solutions of the r-th dispersionless modified KP and Dym hierarchies
Manuel Manas
Physics , 2004, DOI: 10.1088/0305-4470/37/46/007
Abstract: We introduce an S-function formulation for the recently found r-th dispersionless modified KP and r-th dispersionless Dym hierarchies, giving also a connection of these $S$-functions with the Orlov functions of the hierarchies. Then, we discuss a reduction scheme for the hierarchies that together with the $S$-function formulation leads to hodograph systems for the associated solutions. We consider also the connection of these reductions with those of the dispersionless KP hierarchy and with hydrodynamic type systems. In particular, for the 1-component and 2-component reduction we derive, for both hierarchies, ample sets of examples of explicit solutions.
On the r-th dispersionless Toda hierarchy I: Factorization problem, symmetries and some solutions
M. Manas
Physics , 2004, DOI: 10.1088/0305-4470/37/39/010
Abstract: For a family of Poisson algebras, parametrized by by an integer number r, and an associated Lie algebraic splitting, we consider the factorization of given canonical transformations. In this context we rederive the recently found r-th dispersionless modified KP hierachies and r-th dispersionless Dym hierarchies, giving a new Miura map among them. We also found a new integrable hierarchy which we call the r-th dispersionless Toda hierarchy. Moreover, additional symmetries for these hierarchies are studied in detail and new symmetries depending on arbitrary functions are explicitly constructed for the r-th dispersionless KP, r-th dispersionless Dym and r-th dispersionless Toda equations. Some solutions are derived by examining the imposition of a time invariance to the potential r-th dispersionless Dym equation, for which a complete integral is presented and therefore an appropriate envelope leads to a general solution. Symmetries and Miura maps are applied to get new solutions and solutions of the r-th dispesionless modified KP equation.
Estimating Information Gain in Measurements in Suboptimal Bases for Quantum State Tomography
Manas Patra
Physics , 2006,
Abstract: It is known that mutually unbiased bases, whenever they exist, are optimal in an information theoretic sense for the determination of unknown state of a quantum ensemble. These bases may not exist in most dimensions and some suboptimal choices have to be made. The present paper deals with estimates of the information loss in suboptimal choice of bases. The information is calculated directly in terms of transition probabilities. I give estimates for the information content of measurement in some approximate MUBs proposed recently.
Projective invariant measures and approximation of quantum circuits
Manas Patra
Physics , 2006,
Abstract: In this paper we introduce a projective invarinat measure on the special unitary group. It is directly related to transition probabilities. It has some interesting connection with convex geometry. Applications to approximation of quantum circuits and entanglement are given.
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