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https://www.readbyqxmd.com/read/30480769/in-vitro-maturation-in-subfertile-women-with-polycystic-ovarian-syndrome-undergoing-assisted-reproduction
#1
REVIEW
Charalampos S Siristatidis, Abha Maheshwari, Dennis Vaidakis, Siladitya Bhattacharya
BACKGROUND: Polycystic ovarian syndrome (PCOS) occurs in 4% to 7% of all women of reproductive age and 50% of women presenting with subfertility. Subfertility affects 15% to 20% of couples trying to conceive. A significant proportion of these women ultimately need assisted reproductive technology (ART). In vitro fertilisation (IVF) is one of the assisted reproduction techniques employed to raise the chances of achieving a pregnancy. For the standard IVF technique, stimulating follicle development and growth before oocyte retrieval is essential, for which a large number of different methods combining gonadotrophins with a gonadotrophin-releasing hormone (GnRH) agonist or antagonist are used...
November 15, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/30466259/valence-and-inner-electronic-excitation-ionization-and-fragmentation-of-perfluoropropionic-acid
#2
Yanina Berrueta Martínez, Yanina Belén Bava, Reinaldo Luiz Cavasso Filho, Mauricio Federico Erben, Rosana Mariel Romano, Carlos Omar Della Védova
The photoexcitation, photoionization and photofragmentation of gaseous CF3CF2C(O)OH were studied by means of synchrotron radiation in the valence and inner energy regions. Photofragmentation events were detected from 11.7 eV through formation of COH+, C2F4+ and the parent species M+. Since the vertical ionization potential has been reported at 11.94 eV, the starting energy used in this study, 11.7 eV, falls just inside the tale of the ionization band in the photoelectron spectra. Together, therefore, with the foremost ionization process, autoionization or adiabatic ionization cannot be discounted in order to explain the observed production of ions...
November 22, 2018: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/30446124/exploring-the-hydrogen-bond-structures-in-sodium-alginate-through-two-dimensional-correlation-infrared-spectroscopy
#3
Lei Hou, Peiyi Wu
In this paper, the heat-induced hydrogen bonding evolution in the sodium alginate (SA) film is explored mainly by FTIR spectroscopy in combination with perturbation correlation moving window (PCMW) technique and 2D correlation spectroscopy (2Dcos). Due to the strong hydrophilicity, hydrogen bonds formed between water molecules and polar groups (including OH and COO- ) along SA chains hold an predominant role at room temperature, which is believed to disrupt the inter/intra-molecular hydrogen bonding in SA chains...
February 1, 2019: Carbohydrate Polymers
https://www.readbyqxmd.com/read/30430883/gnrh-antagonist-versus-follicular-phase-single-dose-gnrh-agonist-protocol-in-patients-of-normal-ovarian-responses-during-controlled-ovarian-stimulation
#4
Yudi Geng, Yang Xun, Shiqiao Hu, Qiaohong Lai, Lei Jin
OBJECTIVE: This study aims to explore the differences of the ovarian stimulation (OS) characteristics, laboratory, and clinical outcomes between follicular-phase single-dose gonadotropin-releasing hormone (GnRH) agonist protocol and GnRH antagonist protocol during controlled ovarian hyperstimulation (COH). METHODS: About 1883 consecutive IVF/ICSI fresh cycles of normal ovarian responders were retrospectively analyzed, with 1229 in the single-dose GnRH agonist protocol group and 654 in the GnRH antagonist protocol group at Reproductive Medical Center of Tongji Hospital from 1 January 2014 to 31 December 2017...
November 15, 2018: Gynecological Endocrinology
https://www.readbyqxmd.com/read/30406448/could-polymorphisms-of-some-hormonal-receptor-genes-involved-in-folliculogenesis-help-in-predicting-patient-response-to-controlled-ovarian-stimulation
#5
Maruška Čuš, Veljko Vlaisavljević, Katja Repnik, Uroš Potočnik, Borut Kovačič
PURPOSE: The aim of this study was to investigate whether single nucleotide polymorphisms (SNPs) in selected genes, responsible for hormonal regulation of folliculogenesis, are associated with response to controlled ovarian hyperstimulation (COH) and clinical characteristics of women enrolled in in vitro fertilization (IVF) programs. METHODS: In a cross-sectional study, 60 (IVF) patients underwent COH by using gonadotropin-releasing hormone (GnRH) antagonist and recombinant follicle-stimulating hormone (rFSH) protocol...
November 8, 2018: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/30402371/agro-morphological-description-genetic-diversity-and-population-structure-of-sugarcane-varieties-from-sub-tropical-india
#6
Archana Siraree, Nandita Banerjee, Sanjeev Kumar, M S Khan, P K Singh, Sanjeev Kumar, Swati Sharma, R K Singh, Jyotsnendra Singh
Genetic diversity in 92 sugarcane varieties of sub-tropical India was assessed using 30 morphological descriptors and 643 simple sequence repeat (SSR) marker loci. Out of the 30 morphological descriptors, 14 were found polymorphic, and significant variability was recorded for plant height, cane diameter and number of millable canes. Grouping traits like plant growth habit, leaf blade curvature and leaf sheath adherence were found to be predominantly monomorphic. There were a few pairs of varieties (e.g., CoP 9702 and CoP 9302, CoP 9301 and CoSe 01424, UP 05 and Co 1336, CoS 96258 and CoH 110) that showed similar DUS profiles except differing for a few descriptors...
November 2018: 3 Biotech
https://www.readbyqxmd.com/read/30373969/the-relationship-between-emotional-intelligence-reaction-time-aerobic-capacity-and-performance-in-female-track-and-field-athletes-at-the-universities-of-tehran
#7
Maryam Maghsoudipour, Haniyeh Shabani, Mahboubeh Ghayour Najafabadi, Enayatollah Bakhshi, Paul Coh
BACKGROUND: In order to be successful in sport, athletes need a high level of physical skills as well as cognitive abilities. OBJECTIVE: The aim of this studywas to investigate the relationship between emotional intelligence, reaction time, aerobic capacity and performance (recorded time) in female track & field athletes at the Universities of Tehran. METHODS: Data was collected from 100 female athletes participating in sprints.The emotional intelligence in athletes was measured by the Bar-On questionnaire, the reaction time was assessed by the psychomotor vigilance task, and maximal aerobic capacity was predicted by step test...
2018: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/30357398/decreased-d-serine-levels-prevent-retinal-ganglion-cell-apoptosis-in-a-glaucomatous-animal-model
#8
Xuejin Zhang, Rong Zhang, Xujiao Zhou, Jihong Wu
Purpose: The purpose of this study was to determine d-Serine and d-Serine synthetase serine racemase (SR) expression and whether decreased d-Serine expression has protective effects on retinal ganglion cells (RGCs) in a glaucomatous animal model. Methods: The rat chronic intraocular hypertension (COH) model was generated as a glaucomatous animal model by cauterizing three episcleral veins. Quantitative analysis of RGC survival was determined by the counting of retrograde FluoroGold-labeled RGCs...
October 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/30355282/ephrinb-ephb-forward-signaling-in-m%C3%A3-ller-cells-causes-apoptosis-of-retinal-ganglion-cells-by-increasing-tumor-necrosis-factor-alpha-production-in-rat-experimental-glaucomatous-model
#9
Shu-Ting Liu, Shu-Min Zhong, Xue-Yan Li, Feng Gao, Fang Li, Meng-Lu Zhang, Ke Zhu, Xing-Huai Sun, Xin Wang, Yanying Miao, Xiong-Li Yang, Zhongfeng Wang
It was previously shown that EphB/ephrinB reverse signaling in retinal ganglion cells (RGCs) is activated and involved in RGC apoptosis in a rat chronic ocular hypertension (COH) model. In the present work, we first show that ephrinB/EphB forward signaling was activated in COH retinas, and RGC apoptosis in COH retinas was reduced by PP2, an inhibitor of ephrinB/EphB forward signaling. We further demonstrate that treatment of cultured Müller cells with ephrinB1-Fc, an EphB1 activator, or intravitreal injection of ephrinB1-Fc in normal rats induced an increase in phosphorylated EphB levels in these cells, indicating the activation of ephrinB/EphB forward signaling, similar to those in COH retinas...
October 24, 2018: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/30340960/safety-and-feasibility-of-early-oral-hydration-in-the-postanesthesia-care-unit-after-laparoscopic-cholecystectomy-a-prospective-randomized-and-controlled-study
#10
Menghang Wu, Lei Yang, Xiaoqi Zeng, Ting Wang, Anna Jia, Yunxia Zuo, Xiaorong Yin
PURPOSE: To assess the safety and feasibility of early oral hydration (EOH) in the postanesthesia care unit (PACU) after laparoscopic cholecystectomy. DESIGN: Prospective, randomized, controlled trial. METHODS: Patients were randomly assigned to the EOH group or the conventional oral hydration (COH) group. Outcomes were the incidence of nausea and vomiting, thirst scale, incidence of oropharyngeal discomfort, and patient satisfaction. FINDINGS: Compared with the COH group, the EOH group had lower incidence of nausea before and after the first drink in the ward (P < ...
October 17, 2018: Journal of Perianesthesia Nursing: Official Journal of the American Society of PeriAnesthesia Nurses
https://www.readbyqxmd.com/read/30333842/deciphering-the-genetic-architecture-of-cooked-rice-texture
#11
Gopal Misra, Saurabh Badoni, Cyril John Domingo, Rosa Paula O Cuevas, Cindy Llorente, Edwige Gaby Nkouaya Mbanjo, Nese Sreenivasulu
The textural attributes of cooked rice determine palatability and consumer acceptance. Henceforth, understanding the underlying genetic basis is pivotal for the genetic improvement of preferred textural attributes in breeding programs. We characterized diverse set of 236 Indica accessions from 37 countries for textural attributes, which includes adhesiveness (ADH), hardness (HRD), springiness (SPR), and cohesiveness (COH) as well as amylose content (AC). A set of 147,692 high quality SNPs resulting from genotyping data of 700K high Density Rice Array (HDRA) derived from the Indica diversity panels of 218 lines were retained for marker-trait associations of textural attributes using single-locus (SL) genome wide association studies (GWAS) which resulted in identifying hotspot on chromosome 6 for AC and ADH attributes...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/30326214/etidronate-protects-chronic-ocular-hypertension-induced-retinal-oxidative-stress-and-promotes-retinal-ganglion-cells-growth-through-igf-1-signaling-pathway
#12
Jianbin Su, Meixue Huang
Glaucoma is a common heterogeneous eye disorder that may lead to irreversible blindness. In the present study, we examined whether etidronate, a member of bisphosphonates, may have neuroprotective effects in in vivo and in vitro rat model of glaucoma. In an in vivo setting, chronic ocular hypertension (COH) was induced in adult rat retina. We discovered that systemic injection of etidronate reduced COH-induced retinal oxidative stress, including caspase-3 activity and MDA level, as well as promoted retinal ganglion cell survival...
October 13, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/30312951/enhanced-adsorption-of-arsenite-from-aqueous-solution-by-an-iron-doped-electrospun-chitosan-nanofiber-mat-preparation-characterization-and-performance
#13
Ling-Li Min, Li-Ming Yang, Ren-Xiang Wu, Lu-Bin Zhong, Zhi-Hua Yuan, Yu-Ming Zheng
A novel iron-doped chitosan electrospun nanofiber mat (Fe@CTS ENM) was synthesized, which was proven to be effective for the removal of arsenite (As(III)) from water at neutral pH condition. The physiochemical properties and adsorption mechanism were explored by SEM-EDS and X-ray photoelectron spectroscopy (XPS). Batch adsorption experiments were carried out to evaluate the As(III) adsorption performance of the Fe@CTS ENM with various process parameters, such as adsorbent dose, solution pH, initial As(III) concentration, contact time, ionic strength, coexisting anions, and natural organic matter...
February 1, 2019: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/30290868/study-of-ciprofloxacin-removal-by-biochar-obtained-from-used-tea-leaves
#14
Jie Li, Guangwei Yu, Lanjia Pan, Chunxing Li, Futian You, Shengyu Xie, Yin Wang, Jianli Ma, Xiaofu Shang
In this study, used tea leaves (UTLs) were pyrolyzed to obtain used tea-leaf biochar (UTC), and then the UTC was used as an adsorbent to remove ciprofloxacin (CIP) from aqueous solutions. Batch experiments were conducted to investigate the CIP adsorption performance and mechanism. The results showed that the CIP-adsorbing ability first increased and then declined as the UTC pyrolysis temperature increased. The UTC obtained at 450°C presented excellent CIP-absorbing ability at pH6 and 40°C. The maximum monolayer adsorption capacity was 238...
November 2018: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/30275396/influence-of-dielectric-barrier-discharge-treatment-on-surface-structure-of-polyoxymethylene-fiber-and-interfacial-interaction-with-cement
#15
Wei Zhang, Xiao Xu, Fayun Wei, Xueshu Zou, Yu Zhang
Polyoxymethylene (POM) fiber was treated with atmospheric dielectric barrier discharge (DBD) plasma to enhance the surface activity of the fiber and interfacial interaction with cement. The physical and chemical properties of samples with different DBD plasma treatment durations were tested and analyzed. Scanning electron microscopy (SEM) and atomic force microscopy (AFM) revealed that the surface roughness of the sample increased significantly as a result of the DBD plasma treatment. Fourier transform infrared spectrophotometer (FTIR) and X-ray photoelectron spectroscopy (XPS) analysis showed that a large number of ⁻COH and ⁻COOH groups were formed on the surface of the sample after DBD plasma treatment...
October 1, 2018: Materials
https://www.readbyqxmd.com/read/30274376/can-photoplethysmography-replace-arterial-blood-pressure-in-the-assessment-of-blood-pressure
#16
Gloria Martínez, Newton Howard, Derek Abbott, Kenneth Lim, Rabab Ward, Mohamed Elgendi
Arterial Blood Pressure (ABP) and photoplethysmography (PPG) are both useful techniques to monitor cardiovascular status. Though ABP monitoring is more widely employed, this procedure of signal acquisition whether done invasively or non-invasively may cause inconvenience and discomfort to the patients. PPG, however, is simple, noninvasive, and can be used for continuous measurement. This paper focuses on analyzing the similarities in time and frequency domains between ABP and PPG signals for normotensive, prehypertensive and hypertensive subjects and the feasibility of the classification of subjects considering the results of the analysis performed...
September 30, 2018: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/30270743/aberrant-dna-methylation-of-igf2-h19-locus-in-human-fetus-and-in-spermatozoa-from-assisted-reproductive-technologies
#17
Hangying Lou, Fang Le, Minhao Hu, Xinyun Yang, Lejun Li, Liya Wang, Ning Wang, Huijuan Gao, Fan Jin
Given the higher risk of developing imprinting disorders in assisted reproductive technology (ART)-conceived children, we hypothesized that ART may affect DNA methylation of the insulin-like growth factor 2 (IGF2), H19, small nuclear ribonucleoprotein polypeptide N (SNRPN) differentially methylated regions (DMRs) at the fetal stage, which in turn may be associated with sperm abnormalities. A total of 4 patient groups were recruited, namely, multifetal reduction following in vitro fertilization (IVF)/ intracytoplasmic sperm injection (ICSI; n = 56), multifetal reduction following controlled ovarian hyperstimulation (COH; n = 42), male patients with normal semen parameters denoted as normozoospermia group (NZ) for IVF (n = 36), and male patients presenting with asthenozoospermia (OAZ) for ICSI (n = 38)...
October 1, 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/30264366/beyond-subjective-judgments-predicting-evaluations-of-creative-writing-from-computational-linguistic-features
#18
Claire M Zedelius, Caitlin Mills, Jonathan W Schooler
The question of how to evaluate creativity in the context of creative writing has been a subject of ongoing discussion. A key question is whether something as elusive as creativity can be evaluated in a systematic way that goes beyond subjective judgments. To answer this question, we tested whether human evaluations of the creativity of short stories can be predicted by: (1) established measures of creativity and (2) computerized linguistic analyses of the stories. We conducted two studies, in which college students (with and without interest and experience in creative writing) wrote short stories based on a writing prompt...
September 27, 2018: Behavior Research Methods
https://www.readbyqxmd.com/read/30256988/the-predictive-validity-of-physical-performance-measures-in-determining-markers-of-preclinical-disability-in-community-dwelling-middle-aged-and-older-adults-a-systematic-review
#19
Ellen J Cavanaugh, Jenna Richardson, Christine A McCallum, Mark Wilhelm
Background: Identification of preclinical disability in middle-aged and older adults might allow early identification of and treatment for functional mobility deficits. Purpose: This study aimed to determine which physical performance measures (PPMs) were effective in identifying preclinical disability in individuals at risk for future disability. Data Sources: CINHAL, PubMed, Scopus, and Web of Science databases were searched until September 2017 using key words...
December 1, 2018: Physical Therapy
https://www.readbyqxmd.com/read/30256632/bioinspired-metal-organic-framework-for-trace-co-2-capture
#20
Caitlin E Bien, Kai K Chen, Szu-Chia Chien, Benjamin R Reiner, Li-Chiang Lin, Casey R Wade, W S Winston Ho
A Zn benzotriazolate metal-organic framework (MOF), [Zn(ZnO2 CCH3 )4 (bibta)3 ] (1, bibta2- = 5,5'-bibenzotriazolate), has been subjected to a mild CH3 CO2 - /HCO3 - ligand exchange procedure followed by thermal activation to generate nucleophilic Zn-OH groups that resemble the active site of α-carbonic anhydrase. The postsynthetically modified MOF, [Zn(ZnOH)4 (bibta)3 ] (2*), exhibits excellent performance for trace CO2 capture and can be regenerated at mild temperatures. IR spectroscopic data and density functional theory (DFT) calculations reveal that intercluster hydrogen bonding interactions augment a Zn-OH/Zn-O2 COH fixation mechanism...
October 2, 2018: Journal of the American Chemical Society
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