bluuebunny/crossref_metadata_2025_split huggingface dataset:
Diversity of Pteridophyte Flora in Rajamala, Eravikulam National Park, Kerala, India
Authors: Arjun M. S. , Antony Raju , Ali A. Azhar , Abhirami C. , Sreejith M. M. 
Published: July 2021

Aims: To enumerate the fern diversity in the disturbed landscapes of Rajamala part of Eravikulam National Park, Western Ghats
Study Design: Purposive sampling method was adopted in the study area and habitats suitable for ferns were surveyed.
Place and Duration of Study: The study area is Rajamala, a tourist impacted site inside Eravikulam National Park in Kerala, India. Intensive field explorations were carried out in this area during February 2018- April 2019, to document the ferns and fern-allies.
Methodology: A preliminary study was conducted in February 2018 to identify the probable habitats of ferns for further detailed study. Purposive sampling was done in the study area considering the most suitable habitats in both shola ecosystems and grassland ecosystems of the area. Materials for herbaria were processed using standard methods. The collected plants were identified with the help of standard field guides and flora. The potential medicinally important ferns were also listed out.
Results: 54 species of pteridophytes including fern and fern allies belonging to sixteen different families were found from the Rajamala region of Eravikulam National Park. Aspleniaceae was the most common family with 11 species followed by Polypodiaceae. The majority of the Pteridophytes found in the region are showing terrestrial habit. Eleven species found in the study site are medicinally important.
Conclusion: Despite the high tourism pressure in the study area, pteridophyte species richness is higher in the Rajamala region of Western Ghats. The suitable habitat with ideal substrate conditions and year-long moisture availability in the substrates could be the reason for a higher number of pteridophyte species in this area.
Prognostic Factors for Successful Microdissection Testicular Sperm Extraction (Micro-TESE)
Authors: Mashaly Mohamed Hamdy , Gamil Tarek Ahmed , Ragab Maged Moustafa , Ghalwash Mohamed Abo El-Enen 
Published: July 2021

Background: There are some men suffer from infertility, non-obstructive azoospermia is one of the causes of infertility, these men need sperm retrieval from testes like microdissection testicular sperm extraction (Micro-TESE). This work aims to assess the different preoperative and intraoperative factors that predict successful sperm retrieval with Microdissection Testicular Sperm Extraction (Micro-TESE) in men with non-obstructive azoospermia.
Methods: Our study is a cohort prospective one, conducted on 52 male patients with non-obstructive azoospermia who attended to the outpatient andrology and infertility clinic of Urology Department, Tanta University Hospitals during the period between December2018 to November2019. All patients were subjected to detailed medical history, physical examination, two semen analysis on two different laboratories. Microdissection Testicular Sperm Extraction is performed to all patients after Estimation of serum FSH, LH, testosterone, prolactin, estradiol and scrotal Doppler ultrasonography
Results: From 52 patients who have done, Patients were divided in to 2 groups according to the result of Micro-TESE procedure: negative SSR group (28 patients) and positive SSR group (24 patients).In comparison between the two groups according to preoperative factors as age, FSH, LH, estradiol, testosterone, prolactin and testicular volume, there was no significant difference between these groups. On comparison of intraoperative size of seminiferous tubules in relation to results of Micro-TESE, we found that presence of large convoluted seminiferous tubules was statistically significant in prediction of successful sperm retrieval with Micro-TESE
Conclusions: The chances of sperm retrieval in men with NOA by Micro-TESE are not related to preoperatively age, FSH, LH, testosterone, estradiol, prolactin and testicular volume. The detection of large seminiferous tubules intraoperatively is a good predictor for successful sperm retrieval with Micro-TESE as it was statistically significant.
Prevalence and Risk Factors for Methicillin-Resistant Staphylococcus aureus Carriage among Healthcare Workers in a Tertiary Health Facility in Nigeria
Authors: Oyekale Oluwalana T. , Ojo Bola O. , Oguntunmbi Damilola E. , Oyekale Oluwatoyin I. 
Published: July 2021

Background: Methicillin-resistant Staphylococcus aureus (MRSA) colonized healthcare workers (HCWs) constitute massive threat to the well-being of hospitalized patients due to their ability to transmit this multidrug-resistant (MDR) bacteria strain in hospital settings.
Aim: To determine the prevalence of MRSA carriage/colonization among HCWs, to identify risk-factors associated with colonization/carriage, and to determine the antibiotic resistance pattern of isolates.
Study Design: A cross-sectional study.
Materials and Methods: A total of 333 randomly selected consenting HCWs from most hospital care units were studied. Data on demographic characteristics and infection control practices were obtained from participants with the aid of questionnaire. Swabs of the anterior nares and hands of participants were cultured on oxacillin-containing mannitol salt agar (MSA), S. aureus was identified using convectional criteria and MRSA was identified by cefoxitin disc diffusion technique. Antibiotic susceptibility testing was carried out on all isolated MRSA.
Results: The carriage rate of MRSA was high (21.3%). Isolation was significantly higher among; males compared to females (P=.035), staff of critical care units compared to other care units (P=.049), among doctors and nurses compared to other HCWs (P=.0031). Poor handwashing practices (P<.001), presence of wound or skin infection (P<.001) and recent antibiotic use (P=.006) were associated with higher isolation rate. Isolation rate was higher from the nose (15.0%) than from the hands (6.3%). Isolates demonstrated low resistance to clindamycin (16.9%) and ciprofloxacin (16.9%). No isolate was resistant to vancomycin.
Conclusion: In this study; colonization of HCWs by MRSA was high, a male doctor or nurse from critical care unit, with poor handwashing practices, wound or skin infection, and recent antibiotic use had a higher risk of MRSA carriage/colonization. No MRSA isolated was resistant to vancomycin. Improved infection control policies and practices are needed to curtail this trend in hospital settings.
Hispanic Patients Hospitalized with COVID-19 Disease-Characteristics and Clinical Outcomes at a Tertiary Care Center in New York City
Authors: Waheed Maham Akbar , Munoz-Martinez Alejandro , Raheja Hitesh , Khalid Mazin , Patel Jignesh A. , Fogel Joshua , Hashmi Arsalan Talib , Ehrlich Samantha , Aslam Awais , Sharma Dikshya , Chukwuka Nnamdi , Gomes Bruno Augusto de Brito , Gualan Carlos Jose Merino , Aftab Iqra , Tiwari Aparna , Singh Sehajpreet , Pouching Kristal , Somal Navjot , Shani Jacob , Rojas-Marte Geurys 
Published: July 2021

Background: COVID-19 disease has disproportionately affected ethnic minorities in the US.
Objective: To describe the characteristics and predictors of mortality and length of hospital stay (LOS) in patients of Hispanic ethnicity hospitalized for COVID-19 disease.
Design: Retrospective cohort study of 162 patients.
Setting: Tertiary care teaching hospital in Brooklyn, NY.
Patients: Hispanic patients hospitalized with principal diagnosis of COVID-19 disease between March 8, and April 25, 2020.
Methods: Patients were classified into mild/moderate, severe/very severe, and critical disease (intubated) based on oxygen requirements. The primary endpoint was overall mortality rate and the secondary endpoint was LOS.
Results: Mean age was 55.6 years and 40.1% had critical disease. The overall mortality was 35.8%. Increasing age (OR:1.09, 95% CI:1.04, 1.13, p<0.001) and vasopressor use (OR:198.55, 95% CI:15.89, 2480.66, p<0.001) were each independently associated with increased odds for mortality. Steroid use was significantly associated with decreased odds for mortality (OR:0.05, 95% CI:0.004, 0.61, p<0.05). Mean LOS was 14 days. Severe/very severe disease was significantly associated with increased LOS while critical disease was significantly associated with decreased LOS. The use of hydroxychloroquine, steroids, antibiotics, vasopressor, blood transfusion, and diagnosis of bacteremia/fungemia were each significantly associated with increased LOS. Spanish-speaking patients were older than English-speaking ones, however, there was no difference in mortality or LOS between the groups.
Conclusion: Age and vasopressor use was associated with increased mortality in Hispanics. Steroid use was associated with decreased mortality but increased LOS. No difference in outcomes was observed between English- and Spanish-speaking Hispanics.
Analysis of Blood Serum Bilirubin Concentration among Moderate Intensity Exercise Performers; A Randomized Control Trails
Authors: Khan Adnan , Khan Alamgir , Butt Muhammad Zafar Iqbal , Khan Shahzaman , Khan Samiullah , Selamoglu Zeliha , Jamil Muhammad , Manan Abdul 
Published: July 2021

Purpose: A randomized control trails were conducted to evaluate the effects of moderate intensity exercise on blood serum bilirubin level.
Methods: A participants of the study were divided in two groups i.e. experimental group (EG= 10) and control group (CG=10). 5ml blood were taken from all the subjects and each blood sample was marked with separate identification code. Twelve weeks exercise (moderate intensity exercise) protocols was employed on the selected subjects. The collected blood samples were tested and thus the collected results were processed through Statistical Package for Social Sciences (SPSS, Version, 24) by applying Mean and Standard deviation etc.
Result: Based on analysis the researcher concluded that moderate intensity exercise has significant impact on Serum Bilirubin Concentration of the subjects. In addition significant difference was found in pre and post test result of experimental group (t4= 1.000, Sig. = .374 > α= 0.05).
COVID-19 Mutation and Impact on Various Organs
Authors: Chintalwar Kunal , Chakole Swaroopa 
Published: July 2021

Background: COVID-19 is the continuously evolving pandemic affecting billions of people. The viruses are notorious for mutations in them. Novel coronavirus is no exception to mutation and mutated into various strains according to geographical locations.
Summary: The recent second and third wave which is actually a resurgence in COVID-19 cases after a steep fall is attributed to the mutation that is occurring in novel coronavirus. Various strains has been isolated and is being under study to tackle their menace. But blaming completely the mutant version of the virus is unjust as there are other factors such as lax implementation of preventive measures, negligence on account of people by not wearing masks and not following physical distancing. The impact of COVID-19 on human organ system is almost negative and affects the functioning of the organ adversely. Therefore proper care must be taken to ensure the safety of oneself.
Conclusion: Mutations in viruses cannot be stopped and solution lies within us. By following preventive measures and guidelines issued by WHO and other competent authority can a key to keep oneself self. Also balance diet along with proper exercise can help in these pandemic. More study needs to be done to establish various correlation so than containment plan of COVID-19 can be modifies accordingly.
Cannabis (Cannabis sativa) Containing Drug Formulations Mentioned in “Thalpathe piliyam”: A Review
Authors: Diddeniya J. I. D. , Kulatunga W. M. S. S. K. 
Published: July 2021

Introduction: Cannabis sativa is an herbaceous plant which is used as a remedy for many diseases in Traditional Medicine of Sri Lanka. Even though cannabis is the most illicit plant around the world, its medicinal properties are beneficial in numerous ways. The active ingredients of cannabis are Cannabinol, Cannabidiol, Tetrahydro cannabinol, Tetrahydro cannabivarin etc.
Objectives: The aim of this study was to make an overview of the different formulae containing cannabis, their system wise indications, and preparatory methods and to analyze the amount of cannabis percentage in the formulations mentioned in “Thalpathe Piliyam”. And also to identify the social economic impact of cannabis to the community through this.
Methodology: For this review all the twenty one “Thalpathe Piliyam” books were used and other necessary facts were obtained from published research articles in data bases such as Science direct, PubMed etc.
Results: The results revealed that, majority of drug formulations, that is 49.23% acts on the Anna pachana Vyuhava (Gastro intestinal tract) and apart from that 40.77% acts on Naadi vyuhava (Nervous system), 7.69% on Raktha vyuhava (Circulatory system), 6.54% on Prajanana sansthaana (Reproductive system), 5.77% on Swasana sansthaana (Respiratory system) and 22.69% on other diseases by giving relief to diseases such as indigestion, vomiting, cancer, diabetes, piles, cough, diarrhea etc. Among the different preparatory methods of drug formulations which contain Cannabis as an ingredient, “Guli” (pills) was the most abundant formulation with a percentage of 48.07%. Other formulations such as Kalka (pastes), Kashaya (decocotion), Swarasa (fresh juice), Paththu (poultice) were also mentioned in the book. By analyzing the amount of Cannabis percentage, the highest amount of the drug preparations were in between the range of less than or equal to 5% while the least amount of drug preparations were in the range from more than 20%. This indicates that most preparations contain Cannabis less than 5% as an amount in them.
Conclusion: Therefore it can be concluded that, “Thalpathe Piliyam” is a rich repository for the valuable traditional formulae which consist of multiple formulations which contains Cannabis and also very small amount of Cannabis amount can act very efficiently in curing diseases. Furthermore, its socio economic impact to the community can be also measured through it.
Decreasing rates of incident schizophrenia cases in psychiatric service: a review of the literature
Authors: Munk-Jørgensen P 
Published: July 2002

SummaryA review of the literature shows that the admission rates of new cases of schizophrenia vary with a factor of two to five in North American studies as well as in European studies. Furthermore, the tendency has been decreasing for the last 40–50 years in Europe. Eighteen studies specifically analyzing the development over the last 20 years are reviewed. The studies preponderantly show significant decreases most probably due to the reduction of the number of available psychiatric beds alongside the decentralization of psychiatry, and to decreasing virulence of schizophrenia. Alternatively, a diagnostic delay of schizophrenia can hardly explain the decrease.
Next day effects after nighttime treatment with zolpidem: a review
Authors: Undén M , Roth Schechter B 
Published: July 2002

SummaryThe purpose of this review was to analyze the literature for potential next-day residual effects of zolpidem, a non-benzodiazepine hypnotic, following nighttime administration. Based on more than 30 international clinical trials involving more than 2,600 subjects/patients, it can be concluded that at the recommended doses of zolpidem 10 mg for adults and zolpidem 5 mg for the elderly, at single or repeated dosing, in healthy subjects or insomniac patients, zolpidem appears to induce minimal next-day residual effects. As for all sedative hypnotics, zolpidem is indicated for the short-term treatment of insomnia and is recommended to be taken only when the patient is able to get a full night's sleep before resuming usual activities.
A variational approach to chaotic dynamics in periodically forced nonlinear oscillators
Authors: Bosetto Elena , Serra Enrico 
Published: July 2002

We prove that a class of problems containing the classical periodically forced pendulum equation displays the main features of chaotic dynamics. The approach is based on the construction of multibump type heteroclinic solutions to periodic orbits by the use of global variational methods.

Résumé
On prouve qu’une classe de problèmes contenant l’équation du pendule forcé périodiquement possède les principales caractéristiques de la dynamique chaotique. Les techniques sont basées sur la construction d’orbites hétéroclines de type multibump asymptotiques à des solutions périodiques. Les methodes sont variationnelles globales.
Nonhomogeneous Cahn–Hilliard fluids
Authors: Boyer Franck 
Published: July 2002

In this paper we are interested in the study of a model of nonhomogeneous diphasic incompressible flow. More precisely we consider a coupling of a Cahn–Hilliard and an incompressible Navier–Stokes equations where the densities of the phases are different.
For this general model we can only show the local existence of a unique very regular solution and the existence of weaker solutions is still an open problem. But, if we look at the behavior of the system when the densities tends to be equal (slightly nonhomogeneous case), we show the existence of a global weak solution and of a unique local strong solution (which is in fact global in 2D). Finally, an asymptotic stability result for the metastable states is shown in this slightly nonhomogeneous case.

Résumé
Dans cet article, nous nous intéressons à l’étude d’un modèle d’écoulement diphasique nonhomogène incompressible. Plus précisément, nous considérons un couplage entre une équation de Cahn–Hilliard et une équation de Navier–Stokes incompressible dans lesquelles les densités des deux phases sont différentes.
Pour ce modèle général, nous pouvons seulement prouver l’existence locale et l’unicité d’une solution très régulière, l’existence de solutions plus faibles restant un problème ouvert. En revanche, si nous considérons le comportement du système quand les densités des deux phases sont proches (cas faiblement nonhomogène), nous montrons l’existence de solutions faibles globales et l’existence et l’unicité de solutions fortes locales (en fait globales en dimension 2). Enfin, un résultat de stabilité asymptotique des états métastables est établi, toujours dans le cas faiblement nonhomogène.
Sinai–Ruelle–Bowen measures for contracting Lorenz maps and flows
Authors: Metzger Roger J 
Published: July 2002

We consider a large class of one-dimensional maps arising from the contracting Lorenz attractors for three dimensional flows: the eigenvalues

λ_2<λ_1<0<λ_3

of the flow at the singularity satisfy

λ_1+λ_3<0

(instead of

λ_1+λ_3>0

as in the classical geometric Lorenz models). Such flows were studied by A. Rovella who showed that non-uniform expansiveness is a persistent form of behavior (positive Lebesgue measure sets of parameters). Using mainly expansiveness, we prove the existence of absolutely continuous measures invariant under these maps, and from this fact we are able to construct Sinai–Ruelle–Bowen measures for the original flows that generate them.

Résumé

Nous considérons une classe importante de transformations uni-dimensionelles provenant d’attracteurs de Lorenz contractants des flots en dimension 3: les valeurs propres

λ_2<λ_1<0<λ_3

du flot au point singulier satisfont

λ_1+λ_3<0

(au lieu de

λ_1+λ_3>0

, comme dans les modèles geòmétriques de Lorenz standards). Ces flots ont été etudiés par A. Rovella qui a montré que l’expansion non-uniforme a un comportament persistant (ensembles de paramètres de mesure positive). En utilisant cette expansion non-uniform, nous démonstrons l’existence de mesures invariantes par ces transformations qui sont absolutement continues. De ce fait, nous déduisons l’existence de mesures SRB pour le flots qui les induisent.
Existence of guided cylindrical TM-modes in a homogeneous self-focusing dielectric
Authors: Stuart Charles A. , Zhou Huan-Song 
Published: July 2002

We establish the existence of nontrivial solutions for the nonlinear eigenvalue problem which describes self-trapped transverse magnetic field modes in a cylindrical optical fiber made from a self-focusing dielectric material. It amounts to finding solutions in the Sobolev space

H_0^1(0,∞)

of a singular second order differential equation which is quasilinear and, in an appropriate sense, asymptotically linear. Solutions are critical points of an energy functional which has a mountain pass structure, although for all relevant parameter values the problem is in resonance at infinity. The quasilinearity complicates the proof of a Palais–Smale condition, and the asymptotic linearity means that the standard methods for showing that a P-S sequence is bounded do not apply. Both the linearization and the asymptotic linearization have only continuous spectrum. The eigenvalues determine the wavelengths of self-trapped modes and our results establish the existence of such modes for the largest possible range of wavelengths.

Résumé

On montre l’existence de solutions d’un problème aux valeurs propres non linéaire qui modélise des modes guidés cylindriques TM dans un fibre optique. Il s’agit de trouver des solutions dans l’espace de Sobolev

H_0^1(0,∞)

d’une équation différentielle singulière de deuxième ordre qui est quasilinéaire et asymptotiquement linéaire. Les solutions sont des points critiques d’une fonctionnelle ayant la structure du théorème du col mais qui se trouve dans un cas de résonance pour toutes les valeurs admises du paramètre. La forme quasilinéaire complique la vérification de la condition du Palais–Smale et le comportement à l’infini fait que les méthodes usuelles pour montrer que les suites P-S sont bornées ne s’appliquent pas. La linéarisation ainsi que la linéarisation à l’infini n’ont que du spectre continu. Les valeurs propres du problème non linéaire déterminent les longueurs d’onde des modes guidés et nos résultats établissent l’existence de tels modes pour la gamme maximum de longueurs d’ondes.
The structure and limiting behavior of locally optimal minimizers
Authors: Marcus Moshe , Zaslavski Alexander J. 
Published: July 2002

We study the structure of locally optimal (

c

-optimal) minimizers of a class of second order variational problems on

R_+

. The problems are related to a model in thermodynamics introduced in [4]. We show that if

v

is a

c

-optimal nonperiodic minimizer, then the corresponding curve in the phase plane does not intersect itself. Using this fact we study the asymptotic behavior at infinity of

c

-optimal minimizers, and the structure of their limiting sets.

Résumé

Nous étudions la structure des minimiseurs localement optimaux (

c

-optimaux) d'une classe de problèmes variationelles du second ordre sur

R_+

. Ces problèmes sont liés à un modèle de thermodinamique introduit dans [4]. Nous montrons que si

v

est um minimiseur non-périodique

c

-optimal, alors la courbe correspondante dans l'espace des phases ne s'auto-intersecte pas. En utilisant ce fait, nous étudions le comportement asymptotique à l'infini des minimiseurs

c

-optimaux, et la structure de leurs ensembles limites.