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Rare Metals 2024年第4期43卷 1570-1579页

作者： Gang Dong Cong huang Fei-Yang chen Xue-Qin Liu Zhen Li Xiao-Li Su Tao Zeng Yun-Xia chen yi-huang chen Yang Wang School of Materials Science and Engineering Jingdezhen Ceramic UniversityJingdezhen333403China Faculty of Materials Science and Chemistry China University of GeosciencesWuhan430074China College of Chemistry and Materials Engineering Wenzhou UniversityWenzhou325035China

Given the clean and inexhaustible solar energy from solar light,photocatalytic ammonia synthesis is extremely ***,high electron-hole recombination rates and insufficient active sites severely limited N2 photoreaction ***,we designed and fabricated FeCu alloy nanoparticles anchored on carbon nitride nanosheets with excellent photocatalyt ic ammonia synthesis *** a coupler between Fe and carbon nitride,Cu promotes the separation of photogenerated charge carriers in carbon nitride under solar light irradiation,and renters the semiconductor a forceful electron donor for the Fe active *** accumulated electrons at Fe sites furtherly facilitated the adsorption and activation of the molecular ***,the uniform dispersed FeCu alloy nanoparticles were on carbon nitride nanosheets enhanced the stability of photocataly tic nitrogen reduction reaction,making the artificial photocataly tic ammonia synthesis more sustainable for *** work highlights that a direct electron transfer channel can be used to regulate the photochemical nitrogen fixation network.

关键词： Photocatalytic N_2 fixation Carbon nitride FeCu alloy Active sites Hydrogenation pathway

Flexible and multifunctional triboelectric nanogenerator based on liquid metal/polyvinyl alcohol hydrogel for energy harvesting and self-powered wearable human-machine interaction

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Rare Metals 2024年第3期43卷 1186-1196页

作者： Hou-Wang Zhou Cong Zhao Ze-Yu Zhao Jun-chen Jiang Hui-Le Jin Shun Wang Shuang Pan Min-yi Xu yi-huang chen Hai-Ming Jin Department of Orthopaedics The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical UniversityWenzhou325027China College of Chemistry and Materials Engineering Wenzhou UniversityWenzhou325035China Dalian Key Laboratory of Marine Micro/Nano Energy and Self-Powered Systems Marine Engineering CollegeDalian Maritime UniversityDalian116026China

Hydrogel-based triboelectric nanoge nerator(TENG)has a promising applied prospect in wearable electronic ***,its low performance,poor stability,insufficient recyclability and inferior self-healing seriously hinder its ***,we report a robust route to a liquid metal(LM)/polyvinyl alcohol(PVA)hydrogel-based TENG(LP-TENG).Owing to the intrinsically liquid feature of conductive LM within the flexible PVA hydrogel,the as-prepared LP-TENG exhibited comprehensiye advantages of adaptability,biocompatibility,outstanding electrical performance,superior stability,recyclability and diverse applications,which were unattainable by traditional ***,the LP-TENG delivered appealing open circuit voltage of 250 V,short circuit current of 4μA and transferred charge of 120 nC with high stability,outperforming most advanced TENG *** LP-TENG was successfully employed for versatile applications with multifunctionality,including human motion detection,handwriting recognition,energy collection,message transmission and human-machine *** work presents significant prospects for crafting advanced materials and devices in the fields of wearable electronics,flexible skin and smart robots.

关键词： Liquid metal Hydrogel Wearable TENG Multifunctionality Human-machine interaction

The association and underlying mechanism of the digit ratio(2D:4D)in hypospadias

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Asian Journal of Andrology 2024年第4期26卷 356-365页

作者： Yu Ding Zu-Quan chen Wen-Feng Pan Hao-Jie chen Min Wu yi-Qing Lyu Hua Xie yi-chen huang Zhong-Zhong chen Fang chen Department of Urology Shanghai Children’s HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai 200062China Urogenital Development Research Center Shanghai Children’s HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai 200062China Clinical Research Center for Hypospadias Pediatric CollegeShanghai Jiao Tong University School of MedicineShanghai 200062China.

The second-to-fourth digit(2D:4D)ratio is thought to be associated with prenatal androgen ***,the relationship between the 2D:4D ratio and hypospadias is poorly understood,and its molecular mechanism is not *** this study,by analyzing the hand digit length of 142 boys with hypospadias(23 distal,68 middle,and 51 proximal)and 196 controls enrolled in Shanghai Children’s Hospital(Shanghai,China)from December 2020 to December 2021,we found that the 2D:4D ratio was significantly increased in boys with hypospadias(P<0.001)and it was positively correlated with the severity of the *** was further verified by the comparison of control mice and prenatal low testosterone mice model obtained by knocking out the risk gene(dynein axonemal heavy chain 8[DNAH8])associated with ***,the discrepancy was mainly caused by a shift in *** characterization of a mouse model validated that low testosterone levels during pregnancy can impair the growth and development of *** mechanistic explorations revealed that during the androgen-sensitive window,the downregulation of the androgen receptor(AR)caused by low testosterone levels,as well as the suppressed expression of chondrocyte proliferation-related genes such as Wnt family member 5a(Wnt5a),Wnt5b,Smad family member 2(Smad2),and Smad3;mitochondrial function-related genes in cartilage such as AMP-activated protein kinase(AMPK)and nuclear respiratory factor 1(Nrf-1);and vascular development-related genes such as myosin light chain(MLC),notch receptor 3(Notch3),and sphingosine kinase 1(Sphk1),are responsible for the limitation of 4D growth,which results in a higher 2D:4D ratio in boys with hypospadias via decreased endochondral *** study indicates that the ratio of 2D:4D is a risk marker of hypospadias and provides a potential molecular mechanism.

关键词： androgen receptor digit ratio(2D:4D) endochondral ossification hypospadias testosterone level

Ipsilateral and contralateral patent processus vaginalis in pediatric patients with a unilateral nonpalpable testis

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Asian Journal of Andrology 2023年第6期25卷 695-698页

作者： Ming-Ming Yu Hua Xie yi-chen huang yi-Qing Lv Fang chen Xiao-Xi Li Department of Urology Shanghai Children’s HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai 200062China Department of Urology Shanghai Jiao Tong University Affiliated Sixth People’s HospitalShanghai 200233China Shanghai Eastern Urological Reconstruction and Repair Institute Shanghai 200233China

This study aimed to investigate the incidence of patent processus vaginalis(PPV)in pediatric patients with a unilateral nonpalpable testis and explore the associated *** May 2014 to April 2017,152 boys who were diagnosed with a unilateral nonpalpable testis and underwent laparoscopy in Shanghai Children’s Hospital(Shanghai,China)were included in this *** data were collected and reviewed,and the results were analyzed regarding the age at operation,side,development,and position of the nonpalpable *** mean age of the patients was 2.6(standard deviation:2.3)*** testis was absent in 14 cases,nonviable in 81 cases,and viable in 57 *** incidence of PPV was 37.5%(57 of 152)on the ipsilateral side and 16.4%(25 of 152)on the contralateral *** ipsilateral PPV was more prevalent when the nonpalpable testis occurred on the right side(P<0.01).Besides,patients with a viable testis had a greater incidence of ipsilateral PPV than those with a nonviable or absent testis(P<0.01).Moreover,this rate was the highest when the testis was in the abdominal cavity and the lowest when the testis was in the scrotum(both P<0.01).However,the incidence of contralateral PPV was independent of all the *** conclusion,in children with a nonpalpable testis,the incidence of an ipsilateral PPV was significantly related to the side,development,and position of the testis,while it was independent of these factors on the contralateral side.

关键词： children laparoscopy nonpalpable testis patent processus vaginalis

Spongiosum-combined glanuloplasty reduces glans complications after proximal hypospadias repair

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Asian Journal of Andrology 2021年第5期23卷 532-536页

作者： yi-Qing Lyu Lin Yu Hua Xie yi-chen huang Xiao-Xi Li Li Sun Yan Liang Fang chen Department of Urology Shanghai Children's HospitalShanghai Jiao Tong UniversityShanghai 200040China

We aim to design a new glanuloplasty procedure combined with spongiosum to reduce the incidence of glans dehiscence and coronal fistula after proximal hypospadias *** who underwent urethroplasty by dorsal preputial island flap for proximal hypospadias between January 2014 and December 2016 were reviewed in this retrospective cohort *** who underwent spongiosum-combined glanuloplasty comprised the new-maneuver group,whereas those who underwent conventional glanuloplasty comprised the control *** incidence of complications was then *** the new-maneuver group,dysplastic corpus spongiosum alongside lateral Buck's fascia(0.3-0.4 cm wide)on both sides of the urethral plate was separated from the proximal normal spongy tissue,joining into the glans wings to increase tissue volume and covering the neourethra in the glans *** the control group,the neourethra was covered with superficial fascia under the coronal *** a result,the new-maneuver and control groups comprised 47 and 28 patients,*** the new-maneuver group,no glans dehiscence was detected;however,two(4.3%)patients had coronal fistula,two(4.3%)had urethral stricture,and four(8.5%)had *** the control group,two(7.1%)patients had glans dehiscence,eight(28.6%)had coronal fistula,four(14.3%)had urethral stricture,one(3.6%)had diverticulum,and one(3.6%)had penile curvature *** new-maneuver group had less incidences of coronal fistula(P<0.001),glans dehiscence(P=0.033),and urethral stricture(P=0.008)but had a higher incidence of diverticulum than the control group(P=0.040).It clearly demonstrates that spongiosum-combined glanuloplasty can significantly reduce the incidences of coronal fistula and glans dehisce.

关键词： glans dehiscence glanuloplasty hypospadias urinary fistula

Internal Subharmonic Resonance in Faraday Experiment

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Chinese Physics Letters 2000年第8期17卷 580-582页

作者： WANG Xin-Long chen yi-huang WEI Rong-jue State Key Laboratory of Modern Acoustics and Institute of Acoustics Nanjing UniversityNanjing 210093 Department of Electronic Science and Engineering Nanjing UniversityNanjing 210093

The classical Faraday experiment is a tractable problem in nonlinear physics,and its rich spectrum of nonlinear phenomena has made it a prototype in studying nonlinear wave dynamics in *** we report the ob servation of a new type of subharmonic resonances which occurs at some smaller fractional frequencies,such asν/3,ν/4,andν/6,whereνis the forcing *** a result of these resonances,the lower-order surface-wave modes whose eigenfrequencies are close to the fractional frequencies participate into the wave *** theory involving quadratically nonlinear mode couplings shows that an already excited mode itself can act as a parametric source on the lower-order primary modes,thus leading to the cascading subharmonic resonances.

关键词： Faraday nonlinear fractional

Two new diarylheptanoids from the pericarps of Juglans regia L.

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Chinese Chemical Letters 2007年第8期18卷 943-946页

作者： Jun Xi Liu Duo Long Di Xin yi huang chen Li Key Laboratory for Natural Medicine of Gansu Province Lanzhou Institute of Chemical Physics Chinese Academy of Sciences Lanzhou 730000 China

Two new cyclic diarylheptanoids juglanin A （1） and juglanin B （2） were isolated from the pericarps of Juglans regia L. Their structures were elucidated by various spectroscopic methods including 2D NMR techniques ... 详细信息

关键词： Juglans regia L. Pericarps Diarylheptanoids Juglanin A Juglanin B

Automated Identification of Ordered Phases for Simulation Studies of Block Copolymers

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Chinese Journal of Polymer Science 2024年第5期42卷 683-692,I0011页

作者： Yu-chen Zhang Wei-Ling huang yi-Xin Liu State Key Laboratory of Molecule Engineering of Polymers Department of Macromolecular ScienceFudan UniversityShanghai200433China

In unit cell simulations,identification of ordered phases in block copolymers(BCPs)is a tedious and time-consuming task,impeding the advancement of more streamlined and potentially automated research *** this study,we propose a scattering-based automated identification strategy(SAIS)for characterization and identification of ordered phases of BCPs based on their computed scattering *** approach leverages the scattering theory of perfect crystals to efficiently compute the scattering patterns of periodic morphologies in a unit *** the first stage of the SAIS,phases are identified by comparing reflection conditions at a sequence of Miller *** confirm or refine the identification results of the first stage,the second stage of the SAIS introduces a tailored residual between the test phase and each of the known candidate ***,our strategy incorporates a variance-like criterion to distinguish background species,enabling its extension to multi-species BCP *** has been demonstrated that our strategy achieves exceptional accuracy and robustness while requiring minimal computational ***,the approach allows for real-time expansion and improvement to the candidate phase library,facilitating the development of automated research workflows for designing specific ordered structures and discovering new ordered phases in BCPs.

关键词： Block copolymer Phase identification Scattering function

Sequential testis sparing surgery of simultaneous bilateral testicular tumors with different cell types in a Chinese infant:an uncommon presentation

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Asian Journal of Andrology 2019年第4期21卷 419-420页

作者： Xiao-Xi Li Fang chen Shou-Lin Li yi-chen huang yi-Qing Lv Yan chen Hui-Zhen Sun Hua Xie Department of Urology Children's Hospital of Shanghai School of Medicine Shanghai Jiao Tong University Shanghai 200062 China Department of Urology Children's Hospital of Shenzhen Shenzhen 518026 China

Dear Editor, Patients of bilateral pediatric testicular tumors and bilateral testicular teratoma or yolk sac tumor (YST) were rarely reported, and there was still no standard therapy. However, synchronous bilateral testicular tumors with different histology were a quite rare situation. We reported the first case of successful radical orchiectomy in the left scrotum and testicular sparing surgery in the right testis sequentially. No atrophy or residual tumor in the right testis and no recurrence in the left scrotum were found after 7 years of follow-up. Ethical approval was obtained from the Institutional Review Board of Childrens Hospital of Shanghai, which was affiliated to the Shanghai Jiao Tong University, School of Medicine, Shanghai, China. Informed consent was obtained from his parents.

关键词： simultaneous bilateral testicular tumors different cell types Chinese infant

Association between diacylglycerol kinase kappa variants and hypospadias susceptibility in a Han Chinese population

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Asian Journal of Andrology 2018年第1期20卷 85-89页

作者： Hua Xie Xiao-Ling Lin Song Zhang Ling Yu Xiao-Xi Li yi-chen huang yi-Qing Lyu Hai-Tao chen Jianfeng Xu Fang chen Department of Urology Shanghai Children's Hospital Shanghai Jiao Tong University Shanghai 200062 China Fudan Institute of Urology Huashan Hospital Fudan University Shanghai 200040 China State Key Laboratory of Genetic Engineering School of Life Sciences Fudan University Shanghai 200433 China Center for Genomic Translational Medicine and Prevention School of Public Health Fudan University Shanghai 200433 China Program for Personalized Cancer Care NorthShore University HealthSystem Evanston IL 60201 USA

Previous genome-wide association studies have identified variants in the diacylglycerol kinase kappa （DGKtO gene associated with hypospadias in populations of European descent. However, no variants of DGKKwere confirmed to be associated with hypospadias in a recent Han Chinese study population, likely due to the limited number of single-nucleotide polymorphisms （SNPs） included in the analysis. In this study, we aimed to address the inconsistent results and evaluate the association between DGKK and hypospadias in the Han Chinese population through a more comprehensive analysis of DGKK variants. We conducted association analyses for 17 SNPs in or downstream of DGKKwith hypospadias among 322 cases （58 mild, 113 moderate, 128 severe, and 23 unknown） and 1008 controls. Five SNPs （rs2211122, rs4554617, rs7058226, rs7063116, and rs5915254） in DGKK were significantly associated with hypospadias （P 〈 0.05）, with odds ratios （ORs） of 1.64-1.76. When only mild and moderate cases were compared to controls, 10 SNPs in DGKKwere significant （P〈 0.05）, with ORs of 1.56-2.13. No significant SNP was observed when only severe cases were compared to controls. This study successfully implicated DGKK variants in hypospadias risk among a Han Chinese population, especially for mild/moderate cases. Severe forms of hyposDadias are likely due to other genetic factors.

关键词： association study diacylglycerol kinase kappa hypospadias polymorphisms