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effect of mitomycin C on the corneal endothelial cells of Saudi patients with myopia after transepithelial photorefractive keratectomy:a two-armed cohort study

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International Journal of Ophthalmology(english edition) 2024年第5期17卷 909-915页

作者： Sultan h Alrashidi Department of Ophthalmology College of MedicineQassim UniversityBuraidah 51452Saudi Arabia

AIM:To study the effect of mitomycin C(MMC)applied during transepithelial photorefractive keratectomy(TPRK)on the corneal endothelium one week(W1)and three months(M3)after surgery and its ***:In this two-armed cohort study conducted in 2022,eyes treated with MMC during TPRK(group 1)were compared with eyes not treated with MMC(group 2).The corneal endothelial cell(eC)count,eC density(eCD;cells/mm2),average(μm2),standard deviation(μm2),coefficient of variation(CV%),eCmax,eCmin,and eC percentage of hexagonality were estimated at W1 and *** postoperative changes in the eC count in the two groups were compared and correlated with the other independent ***:Group 1 had 26 eyes,and group 2 had 78 *** TPRK indices were significantly higher for the eyes in group 1 than for those in group *** MMC usage was not a significant predictor of the change in eCD(P=0.644),change in CV(P=0.374),and change in the percentage of hexagonality of eC(P=0.164)at ***,the use of MMC was a significant predictor of changes in CV(P=0.014)and the change in the percentage of hexagonality of eC(P=0.039)at *** duration of laser exposure and the size of the optical zone influenced the correlation of MMC use with the changes in eC indices,***:The use of MMC doesn’t affect eCD,CV,and percentage of hexagonality at W1 if other surgical indices are *** M3 after operating myopic eyes by TPRK,MMC significantly influence the CV and percentage of *** duration of the laser application and the size of the optical zone should be considered when determining the effect of MMC on the eC indices.

关键词： transepithelial photorefractive keratectomy mitomycin-C corneal endothelium

Non-surgical treatment of diabetic foot ulcers on the dorsum of the foot with polydeoxyribonucleotide injection:Two case reports

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World Journal of Clinical Cases 2024年第20期12卷 4446-4451页

作者： Yooseok ha Jeong-hee Kim Jiyoung Kim hyeokjae Kwon Department of Plastic and Reconstructive Surgery Chungnam National University HospitalDaejeon 35015South Korea College of Nursing Woosuk UniversityWanju-gun 55338South Korea

BACKGROUND Diabetic foot ulcers are caused by a variety of factors,including peripheral neuropathy,peripheral arterial disease,impaired wound healing mechanisms,and repetitive *** with diabetic foot ulcer on the dorsum of the foot are often treated ***,the right non-surgical therapy must be chosen if surgical choices are contraindicated or if the patient prefers conservative treatment over *** SUMMARY The purpose of this case report is to highlight the efficacy of polydeoxyribonucleotide(PDRN)injection as a non-surgical treatment option for diabetic foot ulcers on the dorsum of the foot,particularly in patients who choose against surgical *** case report presents two cases of diabetic foot ulcers located on the dorsum of the foot that were successfully treated with PDRN injection as a non-surgical *** If the patient declines surgery for diabetic ulcers with Wagner grade II or below,PDRN injection can be effective if necrotic tissue is removed and the wound bed kept clean.

关键词： Diabetic foot Wound healing Regenerative medicine Polydeoxyribonucleotides Case report

Virtual reality for preoperative patient education: Impact on satisfaction, usability, and burnout from the perspective of new nurses

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World Journal of Clinical Cases 2024年第28期12卷 6204-6216页

作者： Jiyoung Kim Donghyun Kim Sang-ha Oh hyeokjae Kwon College of Nursing Woosuk UniversityWanju-gun 55338South Korea Department of Medical Science Chungnam National University College of MedicineDaejeon 35015South Korea Department of Plastic and Reconstructive Surgery Chungnam National University HospitalDaejeon 35015South Korea Department of Plastic and Reconstructive Surgery Chungnam National University College of MedicineDaejeon 35015South Korea

BACKGROUND Traditional paper-based preoperative patient education is a struggle for new nurses and requires extensive *** this situation,virtual reality technology can help the new *** its potential benefits,there are studies on patient satisfaction but there is limited information on the usability of virtual reality(VR)technology for new nurses in giving preoperative education to *** To investigate the impact on satisfaction,usability,and burnout of a system using VR technology in preoperative patient *** The study involved 20 nurses from the plastic surgery ward and 80 patients admitted between April and May *** nurse taught four patients:Two using traditional verbal education and two using virtual *** System Usability Scale,After-Scenario Questionnaire,and Maslach Burnout Inventory(MBI)were employed to evaluate the impact of these education *** The VR education groups showed a statistically higher satisfaction than the traditional verbal education *** the three subscales of the MBI,emotional exhaustion and personal accomplishment improved statistically *** was also better in terms of *** This study suggests VR enhances usability and reduces burnout in nurses,but further research is needed to assess its impact on depersonalization and objective measures like stress and heart rate.

关键词： Virtual reality Preoperative care Patient education Burnout Usability Satisfaction Prospective studies

再生聚酯纱线的超临界CO_(2)萃取除油工艺

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毛纺科技 2024年第3期52卷 75-80页

作者：郑福尔石狮市中纺学服装及配饰产业研究院福建泉州362700 泉州纺织鞋服超临界流体技术联合创新中心福建泉州362700

再生聚酯在纺纱时需加入纺丝油剂,油剂会影响后续染色过程。为减少油剂对后续染色过程的影响,采用超临界CO_(2)流体萃取法,研究了再生聚酯纱线在超临界体系下的除油效果,选取除油温度、压力、时间、CO_(2)流量作为研究因素,利用响应面... 详细信息

再生聚酯在纺纱时需加入纺丝油剂,油剂会影响后续染色过程。为减少油剂对后续染色过程的影响,采用超临界CO_(2)流体萃取法,研究了再生聚酯纱线在超临界体系下的除油效果,选取除油温度、压力、时间、CO_(2)流量作为研究因素,利用响应面法对工艺条件进行优化,采用扫描电镜和红外光谱分析进一步对除油后纱线性能进行探究。结果表明:最佳工艺条件为除油温度64℃,除油压力21 MPa,除油时间60 min,CO_(2)流量415 kg/h,在此条件下再生聚酯纱的除油率可达到78%,超临界CO_(2)除油后的纱线表面油剂有一定减少,纱线物理结构未受到影响。

关键词：超临界CO_(2)流体响应面再生聚酯除油率

Self-Triggered Set Stabilization of Boolean Control Networks and Its Applications

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Ieee/CAA Journal of Automatica Sinica 2024年第7期11卷 1631-1642页

作者： Rong Zhao Jun-e Feng Dawei Zhang the School of Mathematics Shandong UniversityShandong UniversityJinan 250100China

Set stabilization is one of the essential problems in engineering systems, and self-triggered control(STC) can save the storage space for interactive information, and can be successfully applied in networked control systems with limited communication resources. In this study, the set stabilization problem and STC design of Boolean control networks are investigated via the semi-tensor product technique. On the one hand, the largest control invariant subset is calculated in terms of the strongly connected components of the state transition graph, by which a graph-theoretical condition for set stabilization is derived. On the other hand, a characteristic function is exploited to determine the triggering mechanism and feasible controls. Based on this, the minimum-time and minimum-triggering open-loop, state-feedback and output-feedback STCs for set stabilization are designed,respectively. As classic applications of self-triggered set stabilization, self-triggered synchronization, self-triggered output tracking and self-triggered output regulation are discussed as well. Additionally, several practical examples are given to illustrate the effectiveness of theoretical results.

关键词： Boolean control networks(BCNs) output regulation self-triggered control semi-tensor product of matrices set stabilization synchronization

Nonlinear wave dispersion in monoatomic chains with lumped and distributed masses:discrete and continuum models

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Applied Mathematics and Mechanics(english edition) 2024年第4期45卷 633-648页

作者： e.GhaVANLOO S.eL-BORGI School of Mechanical engineering Shiraz UniversityShiraz 71963-16548Iran Mechanical engineering Program Texas A&M University at QatarDoha 23874Qatar

The main objective of this paper is to investigate the influence of inertia of nonlinear springs on the dispersion behavior of discrete monoatomic chains with lumped and distributed *** developed model can represent the wave propagation problem in a non-homogeneous material consisting of heavy inclusions embedded in a *** inclusions are idealized by lumped masses,and the matrix between adjacent inclusions is modeled by a nonlinear spring with distributed ***,the model is capable of depicting the wave propagation in bi-material bars,wherein the first material is represented by a rigid particle and the second one is represented by a nonlinear spring with distributed *** discrete model of the nonlinear monoatomic chain with lumped and distributed masses is first considered,and a closed-form expression of the dispersion relation is obtained by the second-order Lindstedt-Poincare method(LPM).Next,a continuum model for the nonlinear monoatomic chain is derived directly from its discrete lattice model by a suitable continualization *** subsequent use of the second-order method of multiple scales(MMS)facilitates the derivation of the corresponding nonlinear dispersion relation in a closed *** novelties of the present study consist of(i)considering the inertia of nonlinear springs on the dispersion behavior of the discrete mass-spring chains;(ii)developing the second-order LPM for the wave propagation in the discrete chains;and(iii)deriving a continuum model for the nonlinear monoatomic chains with lumped and distributed ***,a parametric study is conducted to examine the effects of the design parameters and the distributed spring mass on the nonlinear dispersion relations and phase velocities obtained from both the discrete and continuum *** parameters include the ratio of the spring mass to the lumped mass,the nonlinear stiffness coefficient of the spring,and the wave amplitude.

关键词： nonlinear mass-spring chain discrete model continuum model LindstedtPoincare method(LPM) method of multiple scales(MMS) dispersion phase velocity

Annual variation of adult survival of a south-temperate house Wren population in Argentina

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Avian Research 2024年第2期15卷 229-237页

作者： Gustavo J.Fernandez Mariana e.Carro Paulo e.Llambías Grupo de Investigacion en ecofisiología de Fauna Silvestre INIBIOMA-CONICETAsentamiento Universitario San Martín de los Andes(AUSMA)Universidad Nacional Del ComahuePasaje de la Paz 235(8370)San Martín de los AndesNeuquenArgentina Grupo de Investigacion de Biología de Aves IADIZA CCT-MendozaUniversidad Nacional de CuyoAvenida RuizLeal s/n Parque General San Martin5500MendozaArgentina

Identifying factors affecting the survival of individuals is essential for understanding the evolution of life-history traits and population *** numerous studies on this subject in north-temperate environments,there is a lack of equivalent studies at similar latitudes in the ***,we used a 14-year dataset of capture,banding,and resighting to estimate the annual variation in the apparent adult survival probability of a south-temperate population of house Wrens(Troglodytes aedon bonariae).We evaluated temporal variation in sur-vival and the effect of environmental(climatic)and demographic variables(adult abundance,total number of fledglings produced during each breeding season)on survival *** found that the probability of adult survival decreased as the abundance of breeding adults *** density-dependent effect could be related to the resident lifestyle of southern house Wrens,which could determine an intense competition for territories and resources that ultimately would affect their survival.

关键词： Annual variation CJS Density-dependence Survival Troglodytes aedon bonariae

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太平洋战争期间的侨生救济与中英关系

近代史研究 2024年第3期 144-157,M0006页

作者：陈非儿东南大学人文学院

太平洋战争爆发后,部分港大学生(侨生)内撤中国大后方。英国由救济这批港大学生开始,试图扩大救济中国境内所有英属地侨生,却遭到国民政府反对。英国从帝国视野出发,希望维持其对大英帝国臣民的管辖权;中国则坚持侨生为中国国民,理应由... 详细信息

太平洋战争爆发后,部分港大学生(侨生)内撤中国大后方。英国由救济这批港大学生开始,试图扩大救济中国境内所有英属地侨生,却遭到国民政府反对。英国从帝国视野出发,希望维持其对大英帝国臣民的管辖权;中国则坚持侨生为中国国民,理应由中国政府予以救济。中英围绕侨生救济权的争夺主要发生在1943年。这一过程既折射中英新约签署前后治外法权问题在实践层面的新变化,也体现国民政府欲借侨民救济彰显中国主权和大国地位。由此侨民问题将抗战与反帝反殖联系在一起。侨生争取中英两国救济的能动性,展现他们作为侨民、难民和学生的跨域经历,勾连二战中港大与大后方一段共同历史,也启发我们从侨民维度重新思考百年来中英不平等关系。

关键词：中英关系太平洋战争华侨侨生中国香港大学

Adhesion G protein-coupled receptor latrophilin 1(ADGRL1):a novel regulator of glucose and energy homeostasis

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Signal Transduction and Targeted Therapy 2024年第8期9卷 3143-3144页

作者： Kavaljit h.Chhabra Department of Pharmacology and Nutritional Sciences Barnstable Brown Diabetes and Obesity Research CenterUniversity of KentuckyLexingtonKYUSA

Recently,I read with interest the research article entitled'Dysfunction of the adhesion G protein-coupled receptor latrophilin 1(ADGRL1/LPhN1)increases the risk of obesity published in Signal Transduction and Targeted *** report confirms and extends our findings that ADGRL1(aka latrophilin 1)regulates energy balance and glucose homeostasis.?Using affinity chromatography coupled with proteomics and electrophysiology,we showed that ADGRL1 is likely a glucose receptor in the *** findings demonstrated that lack of ADGRL1 in the hypothalamus or whole-body causes obesity and features of type 2 diabetes in *** is refreshing to see Dietzsch et al.i reached the same conclusion.

关键词： homeostasis obesity hypothalamus