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#34118795   2021/06/14 To Up

The outcome of intra-cytoplasmic sperm injection (ICSI): do the sperm concentration and motility matter?

The male-factor subfertility was reported to be 30% globally; thus, the intracytoplasmic sperm injection (ICSI) procedure was implemented to improve the overall fertilization (IVF) rates. Nevertheless, at least 10% of fertilization failure still occurs. Concerning this issue, we explored the association of sperm concentration and motility with the quality of embryo development and pregnancy outcome in IVF-ICSI cycles.
Ai Chen Chua, Abdul Kadir Abdul Karim, Albert Chao Chiet Tan, Muhammad Azrai Abu, Mohd Faizal Ahmad

2231 related Products with: The outcome of intra-cytoplasmic sperm injection (ICSI): do the sperm concentration and motility matter?

100ugmin 2 cartons100.00 ul 100 G100μg

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#34118784   2021/06/08 To Up

Shattered thyroid gland from blunt neck trauma in a child: A case report.

Thyroid gland rupture in a child secondary to blunt trauma is an extremely rare occurrence. The number of published cases of thyroid gland injuries in children is very limited in the research literature. A case report of shattered thyroid gland in a child is presented. This case highlights potential life-threatening complications and reviews management of thyroid gland injuries. Based on this case and other published pediatric case reports, conservative management may be a reasonable approach in thyroid gland injuries from blunt neck trauma in children.
Nelson H Bansil

2748 related Products with: Shattered thyroid gland from blunt neck trauma in a child: A case report.



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#34118782   2021/06/05 To Up

Selenium respiration in anaerobic bacteria: Does energy generation pay off?

Selenium (Se) respiration in bacteria was revealed for the first time at the end of 1980s. Although thermodynamically-favorable, energy-dense and documented in phylogenetically-diverse bacteria, this metabolic process appears to be accompanied by a number of challenges and numerous unanswered questions. Selenium oxyanions, SeO and SeO, are reduced to elemental Se (Se) through anaerobic respiration, the end product being solid and displaying a considerable size (up to 500 nm) at the bacterial scale. Compared to other electron acceptors used in anaerobic respiration (e.g. N, S, Fe, Mn, and As), Se is one of the few elements whose end product is solid. Furthermore, unlike other known bacterial intracellular accumulations such as volutin (inorganic polyphosphate), S, glycogen or magnetite, Se has not been shown to play a nutritional or ecological role for its host. In the context of anaerobic respiration of Se oxyanions, biogenic Se appears to be a by-product, a waste that needs proper handling, and this raises the question of the evolutionary implications of this process. Why would bacteria use a respiratory substrate that is useful, in the first place, and then highly detrimental? Interestingly, in certain artificial ecosystems (e.g. upflow bioreactors) Se might help bacterial cells to increase their density and buoyancy and thus avoid biomass wash-out, ensuring survival. This review article provides an in-depth analysis of selenium respiration (model selenium respiring bacteria, thermodynamics, respiratory enzymes, and genetic determinants), complemented by an extensive discussion about the evolutionary implications and the properties of biogenic Se using published and original/unpublished results.
Lucian C Staicu, Larry L Barton

2300 related Products with: Selenium respiration in anaerobic bacteria: Does energy generation pay off?

96 tests100ug Lyophilized100ug100ug Lyophilized96T1 Set1mg1 Set

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#34118733   2021/05/26 To Up

Infections and patterns of antibiotic utilization in support and comfort care patients: A tertiary care center experience.

Little is known regarding the burden of infections and clinical practice towards hospitalized patients with limits on life-sustaining measures. We aim to describe the infectious syndromes, clinical care, the emergence of multi-drug resistant organisms and outcomes in this population.
Ebrahim Mahmoud, Reem Abanamy, Eman Binawad, Hind Alhatmi, Ali Alzammam, Abdulrahman Habib, Dana Alturaifi, Ahmed Alharbi, Hajar Alqahtani, Mohammed Aldohayan

1012 related Products with: Infections and patterns of antibiotic utilization in support and comfort care patients: A tertiary care center experience.

100 mg1000 tests100ug1 ml25 mg10 mg100ul200 500 MG50 mg25 mg96T

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#34118730   2021/05/05 To Up

COVID-19 prevalence forecasting using Autoregressive Integrated Moving Average (ARIMA) and Artificial Neural Networks (ANN): Case of Turkey.

A local outbreak of unknown pneumonia was detected in Wuhan (Hubei, China) in December 2019. It is determined to be caused by a severe acute respiratory syndrome coronavirus 2 (SARS-COV-2) and called COVID-19 by scientists. The outbreak has since spread all over the world with a total of 120,815,512 cases and 2,673,308 deaths as of 16 March 2021. The health systems in the world collapsed in many countries due to the pandemic and many countries were negatively affected in the social life. In such situations, it is very important to predict the load that will occur in the health system of a country. In this study, the COVID-19 prevalence of Turkey is inspected. The infected cases, the number of deaths, and the recovered cases are predicted with Autoregressive Integrated Moving Average (ARIMA) and Artificial Neural Networks (ANN) in Turkey. The techniques are compared in terms of correlation coefficient and mean square error (MSE). The results showed that the used techniques used are very successful in the estimation of prevalence in Turkey.
Gülhan Toğa, Berrin Atalay, M Duran Toksari

1976 related Products with: COVID-19 prevalence forecasting using Autoregressive Integrated Moving Average (ARIMA) and Artificial Neural Networks (ANN): Case of Turkey.

25 MG

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#34118729   2021/06/09 To Up

Establishing paediatric diagnostic reference levels using reference curves - A feasibility study including conventional and CT examinations.

To derive Regional Diagnostic Reference Levels (RDRL) for paediatric conventional and CT examinations using weight-based DRL curves and compare the outcome with DRL derived using the weight groups.
Anja Almén, Jónína Guðjónsdóttir, Nils Heimland, Britta Højgaard, Hanne Waltenburg, Anders Widmark

1089 related Products with: Establishing paediatric diagnostic reference levels using reference curves - A feasibility study including conventional and CT examinations.

1 g1 g1 g

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#34118714   2021/05/19 To Up

Where did the specialty behavioral health workforce grow between 2011 and 2019? Evidence from census data.

Given that mental health and substance use conditions are ongoing major public health problems in the United States, it is important for researchers to understand the behavioral health treatment workforce landscape and to assess whether increases in treatment capacity exist in areas with public health needs.
Thuy Nguyen, Jonathan Cantor, Barbara Andraka-Christou, W David Bradford, Kosali Simon

1834 related Products with: Where did the specialty behavioral health workforce grow between 2011 and 2019? Evidence from census data.

0.1 mg4 Sample Kit10ug25 mg500ul2000 IU

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#34118690   2021/05/04 To Up

Sorption of sulfadiazine and flow modeling in an alluvial deposit of a dry riverbed in the Brazilian semiarid.

The Brazilian semiarid region is subjected to irregular rainfall, prolonged droughts, and high temperatures, hampering the surface water accumulation. The water access is restricted to the alluvium in the valleys, which are used for cattle and poultry livestock development. These activities trigger the excessive use of veterinary antibiotics. As a consequence, antibiotics reach sediment surfaces and promote deterioration of groundwater quality. This work aims to evaluate the sorption potential of Sulfadiazine (SDZ) and to understand the dynamics of water transfer and solute transport processes in a typical alluvial deposit of the Capibaribe River, in the Agreste of Pernambuco. The sedimentological characterization was performed by Miall's Code, defining four lithofacies (Scm, Scm,b, Gcm,o, Scm,o). Kinetics and isotherms experiments allowed the analyses of SDZ sorption. Kinetics sorption showed an equilibrium tendency after 40 h and was better described by a second-order model, while isotherm sorption data were better fitted by the Freundlich model. According to the particle size distribution curve, Scm had the highest number of fine particles and organic matter, affecting interaction of SDZ in sediments. Consequently, SDZ sorption was slightly higher in this lithofacies. However, overall, SDZ sorption was low, thereby offering a real risk of groundwater contamination. For further investigation the dynamics of water transfer and solute transport in a heterogeneous alluvial deposit were simulated with the HYDRUS-2D. The structural heterogeneity influenced the spatial distribution of water storage under unsaturated conditions and provided the emergence of preferential flows. The solute dynamic follow a similar behavior of the water flow, due to the low retention of SDZ in the soil. Considering a condition near to saturation, the contrast of hydraulic and transport properties influences simultaneously in the processes of water transfer and solute transport.
Ana Emília Carvalho de Gusmão da Cunha Rabelo, Severino Martins Dos Santos Neto, Artur Paiva Coutinho, Antonio Celso Dantas Antonino

1713 related Products with: Sorption of sulfadiazine and flow modeling in an alluvial deposit of a dry riverbed in the Brazilian semiarid.

100ug Lyophilized100ug Lyophilized100ug Lyophilized100ug Lyophilized100ug Lyophilized100ug Lyophilized100ug Lyophilized

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#34118682   2021/06/01 To Up

In vitro tetraploidy induction creates enhancements in morphological, physiological and phytochemical characteristics in the fig tree (Ficus Carica L.).

Fig tree (Ficus carica L.) is a precious fruit tree in semi-arid and arid areas worldwide which has difficulties in its conventional breeding programs. This study was carried out to make new genotypes with superior features based on the ploidy induction method. Thus, in vitro tetraploidization in two fig cultivars, namely 'Sabz' and 'Torsh', was successfully established using shoot tip explants and colchicine as the antimitotic agent in MS medium. The flow cytometry and chromosome counting techniques were used to verify tetraploid plants. The results revealed that, in comparison to the original diploid plants of both cultivars, tetraploid plants significantly had taller stems, larger leaves, a greater number of chloroplasts in guard cells, and higher chlorophyll content and photosynthesis rate. UPLC-MS analysis revealed that the level of growth stimulator phytohormones, including ZR, IAA, GA, SA, and JA in the tetraploid plants of both cultivars were significantly higher than their diploid controls. In contrast, they had less accumulated growth inhibitor phytohormone (ABA) than their diploid explant source. Moreover, tetraploid plants had significantly accumulated a higher content of phenolic compounds, total soluble sugars, and total soluble proteins, but showed a significantly less total antioxidant activity. Consequently, it is concluded that the growth advantages of tetraploid figs created in this study are substantial in terms of phytohormonal, physiological, and phytochemical superiorities, as compared to their corresponding diploid plants. Polyploidization proves as a promising breeding tool for future breeding programs of the fig tree.
Ruhollah Abdolinejad, Akhtar Shekafandeh, Abolfazl Jowkar

2223 related Products with: In vitro tetraploidy induction creates enhancements in morphological, physiological and phytochemical characteristics in the fig tree (Ficus Carica L.).

10mg96 tests150 ug

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