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The effect of antioxidants on increased oocyte Competence in IVM: a review

Reproductive and Developmental Medicine 2023年第3期7卷 180-188页

作者： Arezoo Solati Sina Taghvimi zeinab jamali Farzaneh Vahedi Mostafa Moazamfard Sedigheh Bahmyari Ahmad Movahedpour Hassan Ghasemi Department of Reproductive Biology School of Advanced Medical Sciences and TechnologiesShiraz University of Medical SciencesShirazIran Department of Biology Faculty of ScienceShahid Chamran University of AhvazAhvazIran Department of Medical Genetics School of MedicineTehran University of Medical SciencesTehranIran Department of Medical Biotechnology School of Advanced Medical Sciences and TechnologiesShiraz University of Medical SciencesShirazIran Department of Operating Room Faculty of ParamedicineBehbahan University of Medical SciencesBehbahanIran Behbahan Faculty of Medical Sciences BehbahanIran Abadan University of Medical Sciences AbadanIran.

In vitro maturation(IVM)is considered a potential assisted reproductive technology that is a safer and simpler alternative to conventional in vitro *** is primarily used in patients with impaired oocyte maturation and for the treatment of infertile women who are at risk of fertility *** addition,IVM is currently used mainly in polycystic ovarian syndrome patients with a high ovarian response and is stll considered an experimental option in fertility *** highly competent oocytes during IVM is considered a key step in the success of in vitro production(IVP)of *** factors,such as culture medium conditions and other supplements,have a significant impact on oocyte IVM *** of the known disruptors of oocyte developmental competence in IVP is oxidative stress(Os),which is caused by an imbalance between the production and neutralization of reactive oxygen species(ROS).In vitro conditions induce supraphysiological ROS levels due to exposure to an oxidative environment and the isolation of the oocyte from the follicle protective antioxidant *** the importance of Os in oocyte competence,the establishment of standardized antioxidant IVM systems is critical for improving the overall success of *** review focuses on the main antioxidants tested to protect oocytes against OS in IVM.

关键词： In vitro maturation Oocyte maturation Oxidative stress Free radicals Antioxidant Reactive oxygen species

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Prevalence of retinal pathologies in people over 60 years:the Tehran Geriatrics Eye Study

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International Journal of Ophthalmology(English edition) 2024年第4期17卷 721-728页

作者： Abolghasem Mortazavi Alireza Hashemi Alirerza jamali Hassan Hashemi Mohammadreza Aghamirsalim Mehdi Khabazkhoob Department of Neurosurgery Sina HospitalTehran University of Medical SciencesTehran ***Iran Noor Ophthalmology Research Center Noor Eye HospitalTehran ***Iran Rehabilitation Research Center Department of OptometrySchool of Rehabilitation SciencesIran University of Medical SciencesTehran ***Iran Noor Research Center for Ophthalmic Epidemiology Noor Eye HospitalTehran ***Iran Translational Ophthalmology Research Center Tehran University of Medical SciencesTehran ***Iran Department of Basic Sciences School of Nursing and MidwiferyShahid Beheshti University of Medical SciencesTehran ***Iran

AIM:To determine the prevalence of some retinal pathologies in people over 60y and their association with demographic and ocular ***:A cross-sectional study was conducted in Tehran using multistage cluster *** selecting subjects aged 60 and over,optometric,and ophthalmic examinations were *** retinal examination,a 90 D lens was used and indirect ophthalmoscopy was performed after instilling tropicamide *** was done using the IOL Master for all ***:Of 3791 people that were invited through cluster sampling,3310 participated in the study(response rate=82%).The prevalence of retinal pigmented epithelium(RPE)change,drusen,geographic atrophy(GA),hypertensive retinopathy(HTR),nonproliferative diabetic retinopathy(NPDR),proliferative diabetic retinopathy(PDR),choroidal neovascularization(CNV),central retinal artery occlusion(CRAO),myopic retinopathy(MR),branch retinal vein occlusion(BRVO),and central retinal vein occlusion(CRVO)was 27.42%,11.08%,4.52%,3.03%,4.05%,0.54%,0.82%,0.39%,0.20%,0.49%,and 0.19%,*** removing the effect of age,the odds of NPDR were 1.68 times higher in women compared to men(P=0.014).After removing the effect of sex,the odds of drusen,RPE change,GA,CNV,BRVO,and CRVO increased with ***:There is a higher prevalence of RPE change,drusen,GA,CNV and a lower prevalence of MR and CRAO in the elderly population of Tehran aged over 60y compared to global average *** the correlation of most of the diseases with age and their effects on vision,attention should be paid to these diseases and the related screening programs to prevent vision impairment.

关键词： retinal pathologies cross-sectional study vision impairment

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Survivability evaluation for networks carrying complex traffic flows

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Digital Communications and Networks 2023年第2期9卷 534-544页

作者： Amin jamali Mehdi Berenjkoub Hossein Saidi Behrouz Shahgholi Ghahfarokhi Faculty of Computer Engineering University of IsfahanIsfahan***Iran Department of Electrical and Computer Engineering Isfahan University of TechnologyIsfahan***Iran

The capability of a system to fulfill its mission promptly in the presence of attacks,failures,or accidents is one of the qualitative definitions of *** this paper,we propose a model for survivability quantification,which is acceptable for networks carrying complex traffic *** network traffic is considered as general multi-rate,heterogeneous traffic,where the individual bandwidth demands may aggregate in complex,nonlinear *** probability is the chosen measure for survivability *** study an arbitrary topology and some other known topologies for the *** and dependent failure scenarios as well as deterministic and random traffic models are ***,we provide survivability evaluation results for different network *** results show that by using about 50%of the link capacity in networks with a relatively high number of links,the blocking probability remains near zero in the case of a limited number of failures.

关键词： Blocking probability Complex traffic Link failure Network survivability Disaster recovery Information assurance

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Forty Years of Air Temperature Change over Iran Reveals Linear and Nonlinear Warming

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Journal of Meteorological Research 2022年第3期36卷 462-477页

作者： Majid KAZEMZADEH Zahra NOORI Sadegh jamali Abdulhakim M.ABDI Faculty of Natural Resources University of Tehran77871-31587KarajIran Department of Technology and Society Lund UniversitySE-22100LundSweden Centre for Environmental and Climate Science Lund UniversitySE-22362LundSweden

Spatiotemporal analysis of long-term changes in air temperature is of prime importance for climate change research and the development of effective mitigation and adaptation *** there are considerable studies on air temperature change across the globe,most of them have been on linear trends and time series analysis of nonlinear trends have not received enough ***,spatiotemporal patterns of monthly and annual mean(Tmean),maximum(T_(max)),and minimum(T_(min))air temperature at 47 synoptic stations across climate zones in Iran for a 40-yr period(1978–2017)are analyzed.A polynomial fitting scheme(Polytrend)is used to both monthly and annual air temperature data to detect trends and classify them into linear and nonlinear(quadratic and cubic)*** significant(non-significant)trends in Tmean,T_(max),and T_(min) across all climate zones are 41.1%(58.9%),34.1%(65.9%),and 46%(54%),*** highest magnitude of increasing trends is observed in the annual T_(min)(0.47℃decade−1)and the lowest magnitude is for the annual T_(max)(0.4℃decade−1).Across the country,increasing trends(=37.2%)have higher spatial coverage than the decreasing trends(=3.2%).Warming trends in Tmean(65.3%)and T_(min)(73.1%)are mainly observed in humid climate zone while warming trends in T_(max) are in semi-arid(43.9%)and arid(34.1%)*** change with a positive trend is predominant in all Tmean(56.7%),T_(max)(67.8%),and T_(min)(71.2%)and for both monthly and annual ***,the linear trends have the highest warming rate in annual T_(min)(0.83℃decade^(−1))and Tmean(0.46℃decade^(−1))whereas the nonlinear trends have the highest warming rate in annual T_(max)(0.52℃decade^(−1)).The linear trend type is predominant across the country especially in humid climate zones whereas the nonlinear trends(quadratic and cubic)are mainly observed in the arid climate *** study highlights nonlinear changes and spatiotemporal trends in air temperature in Iran an

关键词： linear trends nonlinear trends time series analysis air temperature Polytrend Iran

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Residual refractive errors in pseudophakic eyes and related factors:a population-based study

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International Journal of Ophthalmology(English edition) 2023年第5期16卷 778-786页

作者： Hassan Hashemi Alireza jamali Farhad Rezavn Alireza Hashemi Mehdi Khabazkhoob Noor Research Center for Ophthalmic Epidemiology Noor Eye HospitalTehran ***Iran Noor Ophthalmology Research Center Noor Eye HospitalTehran ***Iran Department of Basic Sciences School of Nursing and MidwiferyShahid Beheshti University of Medical SciencesTehran ***Iran

AIM: To determine residual refractive error after cataract surgery in pseudophakic eyes and its relationship with age, sex, and axial length(AL).METHODS: In this population-based cross-sectional study, the sampling was performed on individuals aged 60y and above in Tehran, Iran using a multi-stage stratified random cluster sampling method. Pseudophakic eyes with a best-corrected visual acuity of 20/32 or better were analyzed and their refractive results were ***: The mean spherical equivalent(SE) refraction was-0.34±0.97 diopters(D) and the mean absolute SE was 0.72±0.74 D with a median of 0.5 D. Moreover, 32.68%(n=546, 95%CI: 30.27%-35.08%), 53.67%(n=900, 95%CI: 51.23%-56.1%), 68.99%(n=1157, 95%CI: 66.96%-71.02%), and 79.73%(n=1337, 95%CI: 77.69%-81.76%) of the eyes had a residual SE within ±0.25, ±0.50, ±0.75, and ±1.00 D of emmetropia, respectively. According to the multiple logistic regression model, increasing age was associated with a statistically significant decrease in predictability for all cut points. Moreover, the predictability based on all cut points was significantly lower in individuals with an AL longer than 24.5 mm than in those with an AL between 22 to 24.5 ***: Based on the results, the accuracy of intraocular lens(IOL) power calculation is lower for those who underwent cataract surgery during the last 5y in Tehran, Iran. Among the most important influential factors, the choice of IOL or it's power disproportionate to eye conditions and age can be mentioned.

关键词： cataract surgery pseudophakic axial length residual refractive errors

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Experimental Testing of Cellular Construction Materials Containing Flax Particles

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Fluid Dynamics & Materials Processing 2023年第3期19卷 723-741页

作者： Hamadou-Ali Mohamed Benazzouk Amar Haïkel Ben Hamed Arash jamali Laboratoire des Technologies Innovantes(UR-UPJV 3899)-UPJV Amiens80000France Plateforme de Microscopie Electronique-UPJV HUB de l’Energie80039Amiens

The feasibility of a sustainable non-autoclaved cellular concrete,based on flax vegetable co-products,for the production of usable specimen in the lightweight construction field,has been investigated *** produced specimen,containing various volume ratios of flax particles with respect to preformulatd Tradical PF70 lime binder of 0,1,and 2,were lightened by creating a porous structure in the matrix through the addition of 0.3%*** powder(able to react with calcium hydroxide from the binder and result in microscopic air-bubbles).Fresh and hardened specimen properties,including hydration,fresh density,porosity,hardened density,compressive and flexural strengths,toughness energy,and dry thermal conductivity at different temperatures,were assessed for varying flax-to-binder *** have shown that the addition of Aluminum powder leads to restrain the setting time delay of binder-based ***,the hardened material displays a significant decrease in specimen density,thereby resulting in a compressive strength level compatible with that required in the cellular construction materials *** also highlighted the ability of added flax to induce a change in the specimen from brittle to ductile ***,a high degree of thermal insulation can be achieved,which makes the cellular specimen based on flax particle suitable as insulated-bearing walls material.

关键词： Flax particles cellular concrete lightening porous structure physico-mechanical properties thermal conductivity

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Auto-refraction versus subjective refraction in different phakic and pseudophakic conditions:the Tehran Geriatric Eye Study(TGES)

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International Journal of Ophthalmology(English edition) 2023年第8期16卷 1309-1316页

作者： Hassan Hashemi Amir Asharlous Alireza jamali Abolghasem Mortazavi Alireza Hashemi Mehdi Khabazkhoob Noor Research Center for Ophthalmic Epidemiology Noor Eye HospitalTehran ***Iran Noor Ophthalmology Research Center Noor Eye HospitalTehran ***Iran Rehabilitation Research Center Department of OptometrySchool of Rehabilitation SciencesIran University of Medical SciencesTehran ***Iran Department of Neurosurgery Sina HospitalTehran University of Medical SciencesTehran ***Iran Department of Basic Sciences School of Nursing and MidwiferyShahid Beheshti University of Medical SciencesTehran ***Iran

AIM:To compare the subjective refraction data with non-cycloplegic auto-refraction findings in the geriatric population above 60 years of age according to the different crystalline lens ***:This report is a part of the Tehran Geriatric Eye Study(TGES)that was conducted from January 2019 to January 2020 on elderly population 60 years of age and above in *** samples were selected by multistage stratified random cluster *** 3791 individual invitees,3310(response rate:87.3%)participated in this *** study participants underwent non-cycloplegic autorefraction(auto-refractometer/keratometer Nidek ARK-510)and subjective ***:Regarding the sphere,eyes with mixed cataract had the worst limits of agreement(LoA:-1.24 to 0.87)and the best agreement was related to the pseudophakic eyes(LoA:-0.83 to 0.54).The highest(0.27±0.31 D)and lowest(0.21±0.27 D)differences between the two methods regarding the cylinder power were observed in eyes with cortical cataract and normal eyes,*** worst LoA between the two methods in measuring the cylinder power was related to the eyes with mixed cataract(LoA:-0.44 to 0.96).Regarding the J0(horizontal/vertical components of astigmatism),the mean values of J0 obtained by auto-refraction were tended more toward against the rule direction in all crystalline lens conditions,and the two methods had the greatest difference in cortical cataract cases(0.05±0.17 D).Regarding the J45(oblique components of astigmatism),the lowest(0±0.11 D)and highest(-0.01±0.12 D)differences were observed in normal eyes and eyes with cortical cataract,***:The auto-refractometer/keratometer Nidek ARK-510 results in the elderly with different phakic and pseudophakic conditions do not correspond well with subjective refraction *** discrepancy in spherical findings is more pronounced in individuals with mixed cataract than in other cases.

关键词： refraction subjective geriatric noncycloplegic autorefraction

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The prevalence of red-green color vision deficiency and its related factors in an elderly population above 60 years of age

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International Journal of Ophthalmology(English edition) 2023年第9期16卷 1535-1541页

作者： Hassan Hashemi Aida Shahidi Alireza Hashemi Alireza jamali Abolghasem Mortazavi Mehdi Khabazkhoob Noor Research Center for Ophthalmic Epidemiology Noor Eye HospitalTehran ***Iran Noor Ophthalmology Research Center Noor Eye HospitalTehran ***Iran Rehabilitation Research Center Department of OptometrySchool of Rehabilitation SciencesIran University of Medical SciencesTehran ***Iran Department of Neurosurgery Sina HospitalTehran University of Medical SciencesTehran ***Iran Department of Basic Sciences School of Nursing and MidwiferyShahid Beheshti University of Medical SciencesTehran ***Iran

AIM:To determine the prevalence of red-green(RG)color vision deficiency(CVD)in an elderly population and its related ***:This report is a part of the Tehran Geriatric Eye Study:a cross-sectional population-based study that was conducted on the elderly population(≥60y)of Tehran,Iran using multi-stage stratified random cluster *** study participants underwent complete ocular examination,including the measurement of uncorrected and bestcorrected visual acuity,objective and subjective refraction,and slit-lamp *** color vision was tested using Ishihara plates with the near optical correction in ***:Of the 3791 invitees,3310 participated in the *** data of 2164 individuals were analyzed after applying the exclusion *** prevalence of R-G CVD was 3.73%(95%CI:2.37%–5.09%)in the whole sample;the prevalence of protanomaly,protanopia,and deuteranopia was 1.51%,1.76%,and 0.45%,*** prevalence of R-G CVD was significantly higher in males than in *** prevalence of RG CVD increased with advancing age from 2.91%in the age group 60–64y to 5.8%in the age group≥80y(P=0.070).According to the multiple logistic regression model,male sex,and glaucoma were significantly related to RG *** age and hypertension also had a marginally significant relationship with RG ***:Changes in color vision occur in the elderly due to the aging process and some physiological and pathological *** the change in visual perception may affect the person’s performance,this aspect of the visual system’s function should also be taken into consideration in the examinations of the elderly.

关键词： color vision population-base study protanomaly protanopia deuteranopia elderly

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Optimal selection of annulus radius ratio to enhance heat transfer with minimum entropy generation in developing laminar forced convection of water-Al2O3 nanofluid flow

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Journal of Central South University 2017年第8期24卷 1850-1865页

作者： Siavashi Majid jamali Mohammad Applied Multi-Phase Fluid Dynamics Lab. School of Mechanical EngineeringIran University of Science and TechnologyTehranIran

Heat transfer and entropy generation of developing laminar forced convection flow of water-Al_2O_3 nanofluid in a concentric annulus with constant heat flux on the walls is investigated numerically. In order to determine entropy generation of fully developed flow, two approaches are employed and it is shown that only one of these methods can provide appropriate results for flow inside annuli. The effects of concentration of nanoparticles, Reynolds number and thermal boundaries on heat transfer enhancement and entropy generation of developing laminar flow inside annuli with different radius ratios and same cross sectional areas are studied. The results show that radius ratio is a very important decision parameter of an annular heat exchanger such that in each Re, there is an optimum radius ratio to maximize Nu and minimize entropy generation. Moreover, the effect of nanoparticles concentration on heat transfer enhancement and minimizing entropy generation is stronger at higher Reynolds.

关键词：强化传热纳米流体熵产生半径比最优选择流体流动雷诺兹数颗粒浓度

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Encoder-Decoder Based LSTM Model to Advance User QoE in 360-Degree Video

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Computers, Materials & Continua 2022年第5期71卷 2617-2631页

作者： Muhammad Usman Younus Rabia Shafi Ammar Rafiq Muhammad Rizwan Anjum Sharjeel Afridi Abdul Aleem jamali Zulfiqar Ali Arain Ecole Doctorale Mathematiques InformatiqueTelecommunicationde ToulouseUniversity Paul SabatierToulouse31330France School of Electronics and Information Northwestern Polytechnical UniversityXi’an710129China Department of Computer Science NFC Institute of Engineering and Fertilizer ResearchFaisalabad38000Pakistan Department of Electronic Engineering The Islamia University of BahawalpurBahawalpur63100Pakistan Department of Electrical Engineering Sukkur IBA UniversitySukkur65200Pakistan Department of Electronic Engineering Quaid-e-Awam University of EngineeringScience and Technology(QUEST)Nawabshah67450Pakistan Department of Telecommunication Engineering MUETJamshoro76060Pakistan

The development of multimedia content has resulted in a massiveincrease in network traffic for video streaming. It demands such types ofsolutions that can be addressed to obtain the user’s Quality-of-Experience(QoE). 360-degree videos have already taken up the user’s behavior by ***, the users only focus on the part of 360-degree videos, known as aviewport. Despite the immense hype, 360-degree videos convey a loathsomeside effect about viewport prediction, making viewers feel uncomfortablebecause user viewport needs to be pre-fetched in advance. Ideally, we canminimize the bandwidth consumption if we know what the user motionin advance. Looking into the problem definition, we propose an EncoderDecoder based Long-Short Term Memory (LSTM) model to more accuratelycapture the non-linear relationship between past and future viewport positions. This model takes the transforming data instead of taking the direct inputto predict the future user movement. Then, this prediction model is combinedwith a rate adaptation approach that assigns the bitrates to various tiles for360-degree video frames under a given network capacity. Hence, our proposedwork aims to facilitate improved system performance when QoE parametersare jointly optimized. Some experiments were carried out and compared withexisting work to prove the performance of the proposed model. Last but notleast, the experiments implementation of our proposed work provides highuser’s QoE than its competitors.

关键词： Encoder-decoder based lSTM 360-degree video streaming LSTM QoE viewport prediction

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