mlsa-iai-msu-lab/ru_sci_bench_zho_cite_reranking huggingface dataset:
锡林郭勒草原自然保护区蒙药用植物资源

对内蒙古锡林郭勒草原国家级自然保护区的蒙药用植物资源进行了调查,共记录蒙药用植物203种,隶属125属51科;植物种较集中在大科中,但科、属的组成以单种科、寡种科、单种属、寡种属为主;生活型以多年生草本所占比例最高,一、二年生草本的比例次之;水分生态类型中以生植物的比例近占一半;药用部位以全株利用比器官利用多,地上部位的利用多于地下部位为特点。根据以上结果提出:自然保护区的有效保护是蒙药用资源长期存在的保障;资源摸底工作不足,需要建立资源数据库;需要加强蒙药用植物资源基地建设。
模型中医学洞悉脏腑演化律

目的中医理论承载的哲学元素潜在精确的数学模型;中医理论用统一的思维模型、数学模型及数学模型公式,研究万物演化共性规律;奇数类演化律是中医理论的核心;五对脏腑演化只是同源生命以五行思维模型演化的一个普通例证,其余生命结构单元(全息元)演化同样适应模型中医学的解释。
南方红豆杉的生药鉴定

目的对南方红豆杉枝叶及根进行生药鉴定研究。方法采用性状、显微鉴定及色谱法。结果南方红豆杉叶具黄绿色气孔带,分布于下表皮中脉两侧;每条气孔带由11~13列气孔组成,气孔指数0.074~0.085;转输管胞成团呈翼状位于维管束两侧,棕色块大小不一,随处可见,偶见草酸钙方晶砂晶。枝外韧型维管束,木质部发达,具髓部;纤维和薄壁细胞上可见草酸钙砂晶附着。南方红豆杉根木质部发达,约占整个横切面的1/2,管胞呈放射状排列,木射线及韧皮射线细胞多为1列,纤维多见,可见散在内生真菌菌丝及石细胞,菌丝较为集中地分布于根被细胞。TLC结果表明南方红豆杉中10-脱乙酰巴卡亭III含量相对较大。结论南方红豆杉叶气孔带、转输管胞及嵌晶纤维可作为其鉴别特征,10-脱乙酰巴卡亭III可以作为薄层鉴定的主要依据。
精神病风险综合征的早期临床干预

精神分裂症前驱期的识别及其干预越来越引起重视。在前驱期,一般就已出现功能下降并有感知、思维、言语和行为等精神症状,有学者将这一阶段的表现称为精神病风险综合征(psychosis risk syndrome)或精神病超高危(ultra high risk for psychosis,UHR)。DSM-5已将轻微精神病综合征(attenuated psychosis syndrome,APS)列入附录,建议进一步研究。我们就当前精神病风险综合征干预的研究和主要争论焦点进行综述。
寻找阿尔茨海默病的易患基因

阿尔茨海默病(Alzheimer’ s disease,AD)是一种以进行性认知功能障碍和行为损害为特征的中枢神经系统退行性病变,是老年期痴呆的最常见类型。然而其确切病因及发病机制尚不清楚。目前认为,AD是一种由环境和遗传因素共同作用的多基因病。AD可分为家族性AD(或称为早发性AD, early-onset AD, EOAD)和散发性AD (或称为迟发性AD,late-onset AD, LOAD)。早期研究显示,β-淀粉样前体蛋白(APP)基因、早老素-1基因、早老素-2基因为EOAD的主要致病基因,而载脂蛋白E(ApoE)基因是近20年来唯一公认的LOAD易患基因。近年来,随着人类基因组计划(human genome project, HGP)的完成及全基因组关联研究(genome-wide association study, GWAS)和新一代基因测序技术(next generation sequencing, NGS)的进展及其在 AD 遗传研究方面的应用,发现了许多新的易患基因区域,为AD的病因学研究和治疗提供了新的思路。我们就近年来新发现的主要LOAD易患基因及其在AD发病中潜在的作用作一综述。
Validation of a Critical Nitrogen Curve for Summer Maize in the North China Plain

The concept of critical N concentration (N_c) has been widely used in agronomy as the basis for diagnosis of crop N status, and allows discrimination between field situations of sub-optimal and supra-optimal N supply. A critical N dilution curve of N_c = 34.OW~(-0 37), where W is the aboveground biomass (Mg DM ha~(-1)) and N_c the critical N concentration in aboveground dry matter (g kg~(-1) DM), was developed for spring maize in Europe. Our objectives were to validate whether this European critical N dilution curve was appropriate for summer maize production in the North China Plain (NCP) and to develop a critical N dilution curve especially for summer maize production in this region. In total 231 data points from 16 experiments were used to test the European critical N dilution curve. These observations showed that the European critical N dilution curve was unsuitable for summer maize in the NCP, especially at the early growth stage. From the data obtained, a critical N dilution curve for summer maize in the NCP was described by the equation of N_c= 27.2W~(-0.27), when aboveground biomass was between 0.64 and 11.17 Mg DM ha~(-1). Based on this curve, more than 90% of the data for the N deficiency supply treatments had an N nutrition index (NNI) < 1 and 92% of the data for the N excess supply treatments had an NNI > 1.
皮肤附属结构构建与再生研究进展

皮肤的附属结构主要包括毛囊、汗腺和皮脂腺。但就皮肤的功能和外观而言,皮肤还具有肤色(色素)、感觉(神经)和免疫功能(如Langerhans细胞)等。皮肤深层组织及其附属结构一旦遭受破坏,难以完全再生。传统的治疗手段也只是修复皮肤的最基本功能,而对如何进一步恢复全层皮肤的结构和功能,尤其是附属器官的再生仍是难点。组织工程皮肤(tissue - engineered skin,TES)的出现为皮肤缺损的治疗提供了一条崭新的途径,但是目前已经商品化的TES也仅仅是完成了表皮和(或)真皮的重建,尚无关于含有皮肤附属结构的TES产品。随着对皮肤结构和功能、干细胞分化认识的不断加深以及组织工程技术的不断演进,如何促进皮肤附属器官和结构的再生已成为组织工程和再生医学领域的研究热点和重大挑战之一。笔者就皮肤附属结构构建及再生研究的最新进展作一综述。
发扬优良传统创造新的辉煌

伴随着中国现代神经外科的发展,《中华神经外科杂志》走过了29年的光辉历程。她创建于改革开放之初,经过几代神经外科同仁的艰苦奋斗,克服了重重困难,使之成为中国神经外科事业发展的优秀传播平台,神经外科同道的学术家园。今天,世界科技飞速发展,我国改革和社会进步进入快车道,神经外科事业的学术进步、科技创新日新月异。《中华神经外科杂志》在新的历史时期面对重大机遇和严峻挑战,我们如何承前启后,传承老一代神经外科先驱的优良传统,再创杂志发展新的辉煌,为推动中国神经外科攀登世界医学的高峰做出应有的贡献,这是重大的历史责任,任重道远。
胃食管反流性咳嗽发病机制的研究进展

胃食管反流病(gastro-esophagealrefluxdisease,GERD),是指胃内容物反流入食管甚至口腔,引起一系列以呕吐、反酸等为典型食管症状和(或)以咳嗽、哮喘等为主要食管外症状表现的临床症候群。胃食管反流性咳嗽(gastroesophagealrefluxcough,GERC)是指与GER相关的以咳嗽为主要表现的呼吸道症候群。GERC被认为是慢性咳嗽的三大病因之一,占慢性咳嗽患儿的10%~41%。流行病学调查显示,哮喘患儿中GER的阳性率为30%~80%,慢性咳嗽患儿则达40%。我们对有反流相关症状的4048例患儿进行24h食管PH监测,诊断为GER的有2171例,阳性率为53.6%;在反复支气管肺炎、慢性咳嗽、迁延性肺炎、支气管哮喘、非心源性胸痛及呼吸暂停患儿中GER检出率分别为58.4%、53.8%、44.8%、34.7%、56.4%和48.0%。GERC的发病机制主要可归纳为3点:胃酸微量吸入、食管-支气管神经反射及气道高反应性。微量吸入在大部分患儿缺乏循证医学的证据;反射理论认为胃酸反流到食管下段,通过迷走神经或其他神经介导的反射引起气道神经源性炎症(neurogenicinflammation),诱发咳嗽或加重哮喘症状;而气道高反应性也被认为与气道神经源性炎症有关。现就GERC发病机制的研究进展,综述如下。
六盘水市医疗机构机房防护监测结果分析

随着医用X射线诊断机的普及应用,医用辐射成为人类重要的辐射来源,已愈发引起相关部门的重视。为了解全市医疗机构医用诊断X射线机机房的防护现状,摸清防护中存在的问题,更好地保护医疗机构放射工作人员和公众的健康,2011年对全市医疗机构的X射线机机房防护现状进行检查,对有关放射工作场所与周围环境进行了辐射水平监测,现将结果报道如下。
激光照射治疗大鼠内侧副韧带损伤的疗效观察

目的观察激光照射治疗大鼠内侧副韧带急性损伤的疗效。方法将40只Wistar大鼠制成内侧副韧带急性损伤动物模型,采用随机数字表法将其分为观察组及对照组,每组20只。观察组大鼠于制模1周后给予患部650 nm激光照射,每次照射25 min,每天照射2次,共持续照射4周;对照组大鼠制模后未给予特殊处理。于激光照射4周后将2组大鼠愈合处韧带制成标本,分别进行愈合处肌腱组织学检查及生物力学检测。结果经4周激光照射后,发现观察组大鼠愈合处韧带I型胶原含量[(40.21 ±3. 16)%]及生物力学特性[极限负荷及拉伸刚度分别为(2.75 ±0.34)N和(5.42 ± 0. 51) N/mm ]均明显优于对照组水平,组间差异均具有统计学意义(P < 0.05)。结论650 nm激光照射能促进大鼠韧带急性损伤修复,并提高其生物力学特性,且该疗法无毒、副作用,值得临床进一步研究、应用。
造血干细胞移植后ADAMTS13缺失的血栓性血小板减少性紫癜一例报告并文献复习

造血干细胞移植(HSCT)相关血栓性血小板减少性紫癜(TA-TTP)是HSCT后的一种严重并发症。多数TA-TTP患者血浆血管性血友病因子裂解蛋白酶(ADAMTS13)活性为正常水平。2011年5月我院收治1例嗜酸粒细胞白血病患者,行脐血造血干细胞移植后并发特发性TTP,其血浆ADAMTS13活性只有3%,ADAMTS13抑制物阳性。现报告如下,并进行文献复习。
Effects of harvesting on productivity of bay leaf tree (Cinnamomum ta-mala Nees & Eberm):Case from Udayapur district of Nepal

Cultivation of bay leaves (Cinnamomum tamalaNees & Eberm) to fulfil household income needs is a long established practice in Udayapur district of Nepal. The practices adopted by farmers for bay leaf harvesting have not, however, been validated by scientific investigation for their sustainability. To investigate the impacts of harvesting on the yield of branch, leaves and biomass of leaves, a two-year research project was conducted in farm fields at Kopche village of Routa VDC in Udayapur district, Nepal. Four different harvesting treatments, the orien-tation and the order of branches were taken as independent variables to test their effects on number of branches, leaves and biomass of leaves. Orientation, harvesting treatments and order of branches had a significant effect on the number of branches, but not on the number of leaves or biomass (fresh and dry weight) of leaves in the year of harvest. Between two consecutive harvests there was no significant difference in the num-ber of branches, leaves or biomass. Lower two-thirds portion of the trees produced the largest number of leaves and branches of the fourth order in both years. Therefore, lower two-thirds portion of the trees were suitable for harvesting. Our findings support farmer experience that no change in productivity of leaves is observed when harvesting each year. For long term sustainability, harvesting should be conducted without debarking of trees or damage to branches. Our findings could be extrapolated to and tested in other areas with different access and user rights where the rota-tion for harvest is fixed or regulated without research evidence.
Effects of harvesting intensities and techniques on re-growth dynamics and quality ofTerminalia bellerica fruits in central India

Terminalia bellericaRoxb. (Belleric myrobalan) is one of the important multipurpose trees in central India. The fruits of the tree are highly valued for medicinal uses, with the greatest demand coming from the pharmaceutical industry. This has resulted in overexploitation and present harvesting practices have led to a significant decline in natural regeneration for this tree species. Our study was conducted from 2006 to 2009 in Chhattisgarh (India) to standardize suitable harvesting practices for sustainable management for this valuable species. Experiments were conducted at four different sites located in Dhamtari, Sarguja, and Rai-garh forest divisions of the state, covering both protected and open forest in a complete randomized block design (RCBD). At each site, linear transects of 200 m× 100 m (2 ha) were randomly selected to sample the initial population and study the effects of two harvesting methods (tradi-tional and nondestructive) and four harvesting intensities (60%, 70%, 80%, and 90%) on the sustainability ofT. bellerica. Fruits were collected and analyzed for their tannin and gallic acid content. Significant increase in tannin and gallic acid content was found with the maturity of fruits (September to December). This is the first study to experimentally assess the consequences of harvesting ofT. bellericafruits in central India. Our findings reveal that harvesting intensity, time, and method are key factors for maintaining the population. Nondestructive harvesting meth-ods were found to be superior to traditional harvesting in terms of regen-eration, recruitment, and concentration of active ingredients. When the fruits were harvested through non-destructive means at maturity, the population of species increased. The study concludes that 70% harvest of T. bellerica fruits through non-destructive means maintains the sustain-ability and provides quality raw material for the pharmaceutical industry.
Does tree species composition control the soil carbon stocks of the Hyrcanian forest in the Northern Iran? (A case study in Guilan province, Iran)

This work studied the effects of tree species composition on soil carbon storage in five mixed stands dominated by oriental beech and grown in the western Caspian region in Guilan province, called Astara, Asalem, Fuman, Chere and Shenrud. The thickness of the litter layer, soil characteristics, tree composition and percentage of canopy coverage were measured in each stand. Total soil organic carbon differed significantly by stand. Total (organic) carbon stores at Fuman, which had the lowest tree species richness with 2 species and least canopy coverage (75%), were significantly (p<0.05) higher than at other locations. Carbon stor-age in topsoil (0-10 cm) was significantly lower in Shenrud, which had the highest tree species richness with 5 species and highest canopy cov-erage (95%). The high percentage of canopy coverage in Shenrud proba-bly limited the conversion of litter to humus. However, in the second soil layer (10-25 cm), Asalem, with high tree species richness and canopy coverage, had the highest carbon storage. This can be explained by the different rooting patterns of different tree species. In the Hyrcanian forest. According to the results, it can be concluded that not only tree composi-tion but also canopy coverage percentage should be taken under consid-eration to manage soil carbon retention and release.
Long-term vegetation development on a wildfire slope in Innerzwain (Styria, Austria)

Forest fires in mountainous areas can cause severe defores-tation which can potentially trigger secondary natural hazards like debris falls and avalanches. We documented an extreme case study for the range of possible post-fire land cover (LC) dynamics. We investigated a 15-ha, steep (10°-65°) burnt slope in Styria (Austria) at elevation of 760-1130 m, which burned in 1946 and has not fully recovered to date. Seven 8-class legend LC maps were produced (1954, 1966, 1973, 1982, 1998, 2004, 2009) and integrated in a vector-based GIS, mainly by on-screen interpretation of aerial photos. Our aim was to clarify how post-wildfire LC dynamics take place on a severely damaged, steep slope and to give a basic projection of the future vegetation recovery process. The pre-fire Pinus sylvestrisstands have been mainly replaced by Picea abies and Larix decidua. Regeneration proceeded mainly from the base of the slope upwards. All tree species together still cover no more than 40% of the slope after more than 60 years of recovery, while grassland communities and rock/debris areas have expanded. Multitemporal analysis showed a slow but steady increase in woodland cover. Degraded rock/debris areas, however, expanded as well because soil erosion and related debris flows remained active. Slope angle (with a threshold value of approx. 35-40°) seemed to control whether erosion or regeneration prevailed. According to a simple extrapolation, the slope will not reach its former condition before 2070. This extreme disturbance window of more than 120 years is owed to the steepness of the slope and to the shallow soils on dolomitic bedrock that were severely damaged by the fire. The neglect of any game fencing is a further factor slowing regeneration.
Influence of climatic conditions, topography and soil attributes on the spatial distribution of site productivity index of the species rich forests of Jalisco, Mexico

This paper presents an approach based on field data to model the spatial distribution of the site productivity index (SPI) of the diverse forest types in Jalisco, Mexico and the response in SPI to site and cli-matic conditions. A linear regression model was constructed to test the hypothesis that site and climate variables can be used to predict the SPI of the major forest types in Jalisco. SPI varied significantly with topog-raphy (elevation, aspect and slope), soil attributes (pH, sand and silt), climate (temperature and precipitation zones) and forest type. The most important variable in the model was forest type, which accounted for 35% of the variability in SPI. Temperature and precipitation accounted for 8 to 9% of the variability in SPI while the soil attributes accounted for less than 4% of the variability observed in SPI. No significant differences were detected between the observed and predicted SPI for the individual forest types. The linear regression model was used to develop maps of the spatial variability in predicted SPI for the individual forest types in the state. The spatial site productivity models developed in this study provides a basis for understanding the complex relationship that exists between forest productivity and site and climatic conditions in the state. Findings of this study will assist resource managers in making cost-effective decisions about the management of individual forest types in the state of Jalisco, Mexico.
Hydrological impacts of afforestation - A review of research in India

We review the current status of experimental studies in India to understand the linkages between afforestation and hydrology. This discipline deals with the use and management of water, social awareness of environmental problems, and ecosystem limitations on provision of watershed services by river basins in the mountain regions of India. Our review begins with examination of experimental works in tropical coun-tries and proceeds to discussion of initiatives of Indian research institutes and Government organizations towards establishing experimental water-sheds to understand the impacts of land cover changes on hydrologic regimes in the Indian sub-continent. This is followed by the review of the experimental work carried out by various authors to assess the impact of land cover changes on major water balance components such as, runoff, groundwater, evapotranspiration and sediment yield. The spatial scales of these experiments have been limited to small watersheds or field plots. This paper also describes impacts of human interventions (such as planta-tions of exotic forest species to restore degraded landscapes) on the water balance components in diverse hydro-geo-environmental conditions in the Indian sub-continent. We focus on identifying the research areas which require immediate attention to develop tools to assist planners and policy makers in assessing and managing the water resources in these complex environments. The review is largely based on research results reported during the last 20 to 30 years.
Biodiversity and ecological assessments of Indian sacred groves

Sacred groves are patches of forests preserved for their spiri-tual and religious significance. The practice gained relevance with the spread of agriculture that caused large-scale deforestation affecting bio-diversity and watersheds. Sacred groves may lose their prominence no-wadays, but are still relevant in Indian rural landscapes inhabited by traditional communities. The recent rise of interest in this tradition en-couraged scientific study that despite its pan-Indian distribution, focused on India’s northeast, Western Ghats and east coast either for their glob-al/regional importance or unique ecosystems. Most studies focused on flora, mainly angiosperms, and the faunal studies concentrated on verte-brates while lower life forms were grossly neglected. Studies on ecosys-tem functioning are few although observations are available. Most stud-ies attributed watershed protection values to sacred groves but hardly highlighted hydrological process or water yield in comparison with other land use types. The grove studies require diversification from a stereo-typed path and must move towards creating credible scientific founda-tions for conservation. Documentation should continue in unexplored areas but more work is needed on basic ecological functions and ecosys-tem dynamics to strengthen planning for scientifically sound sacred grove management.
EstimatingPinus palustris tree diameter and stem volume from tree height, crown area and stand-level parameters

Accurate and efficient estimation of forest growth and live biomass is a critical element in assessing potential responses to forest management and environmental change. The objective of this study was to develop models to predict longleaf pine tree diameter at breast height (dbh) and merchantable stem volume (V) using data obtained from field measurements. We used longleaf pine tree data from 3,376 planted trees on 127 permanent plots located in the U.S. Gulf Coastal Plain region to fit equations to predict dbh and V as functions of tree height (H) and crown area (CA). Prediction of dbh as a function of H improved when CA was added as an additional independent variable. Similarly, predic-tions of V based on H improved when CA was included. Incorporation of additional stand variables such as age, site index, dominant height, and stand density were also evaluated but resulted in only small improve-ments in model performance. For model testing we used data from planted and naturally-regenerated trees located inside and outside the geographic area used for model fitting. Our results suggest that the models are a robust alternative for dbh and V estimations when H and CA are known on planted stands with potential for naturally-regenerated stands, across a wide range of ages. We discuss the importance of these models for use with metrics derived from remote sensing data.
高血压患者动态动脉硬化指数与微量白蛋白尿相关

目的探讨高血压患者动态动脉硬化指数(AASI)与微量白蛋白尿(MAU)之间的关系。方法随机选取2012-03-2013-03在福建医科大学附属泉州市第一医院干部病房门诊及住院原发性高血压患者200例,行24 h动态血压监测(ABPM),计算AASI、脉压等指标,并检测其尿微量白蛋白(U-MA)含量、体质量指数(BMI)、肌酐、尿素氮等。依据U-MA值将其分为MAU阳性[MAU组,U-MA 30~300 mg/(g·Cr),n=60]和MAU阴性(n=140),从MAU阴性患者随机抽取40例作为对照组(NMAU组),比较两组间各参考指标的差别,采用多元线性逐步回归分析AASI与MAU、夜间脉压等指标的相关性。结果在入选病例中MAU阳性率为30%(60/200)。MAU组与NMAU组间性别、年龄、BMI、空腹血糖、三酰甘油、总胆固醇等差异无统计学意义(P>0.05)。与NMAU组比较,MAU组患者高血压病程、肌酐、白天脉压和AASI水平较高[分别(5.6±2.2)比(4.9±1.1)年,(88.3±13.8)比(83.8±6.2)μmoI/L,(63.6±14.4)比(56.6±18.5)mm Hg和(0.59±0.04)比(0.40±0.04),均P<0.05]。多元线性回归分析结果显示,AASI与MAU相关(β=0.761,P<0.01)。结论高血压患者中,MAU阳性者AASI水平高于MAU阴性者。AASI增加与MAU相关。
后腹腔镜下置入双J管技术改良

目的介绍一种改良后的后腹腔镜下置入输尿管双J管的简单方法。方法先在Trocar开口处放置1枚橡皮塞防止漏气,再用分离钳暴露输尿管切口,通过橡皮塞开口处置入输尿管导管推管至输尿管切口,然后将导丝软头从推管处缓慢送入输尿管直至导丝进入膀胱,用分离钳固定导丝,拔除推管,再在推管协助下将剪除盲端的双J管通过导丝送入输尿管,拔出导丝和推管,在分离钳配合下将双J管尾端置入输尿管上段。结果79例采用上述方法均一次性顺利置入输尿管双J管,改进方法后置管时间为3~12min,术后复查KUB均显示双J管位置良好,无1例回缩现象发生。结论后腹腔镜下输尿管切开取石及肾盂成形术后置入输尿管内支架管是手术难点之一,利用改良后的双J管置入方法所需器械简单,置入过程简单安全有效,可明显缩短手术时间提高手术安全性。
钢板桩静压施工技术及其在螺河特大桥的应用

1引言钢板桩作为板式支护结构在建筑、水利、市政、港口、铁路等施工中广泛应用,其传统的施工技术分为冲击法和振动法两种,但这两种工法只适应软弱的地层,同时需要大量的停放施工机械的场地以及更高的施作空间,并带来强烈噪音和振动,施工中的安全风险也很大.随着社会的发展,人们环保的要求日益提高,特别在人类居住的附近建设工程、狭窄地段施工、有限的空间施作都对传统的钢板桩施工技术提出了新的要求,如果加上以上地段是非软弱的地质更使传统钢板桩施工技术变得不可能.而钢板桩静压法施工技术是20世纪70年代日本研制形成,采用静力压拔原理,克服了噪音和振动的影响、地域的限制、地质的约束、安全的不利[1-6],因而具有良好的推广前景.
Coupler conditioning and high power testing of ADS Spoke cavity

Power couplers, used in China-ADS proton linac injector I, are required to transfer 6 kW RF power to the superconducting Spoke cavities. At present, first the two couplers of a coaxial design have been fabricated, which accomplished a high power test at IHEP. The test results indicated that couplers of this design are qualified to deliver 10 kW RF power in continuous travelling wave mode. This paper describes the coupler's room temperature test procedures and results and discusses the original high power test, which was terminated due to serious out-gassing and after some modifications. In the final test, the couplers smoothly exceeded the design power level.
Induced pluripotent stem cell (iPSCs) and their application in immunotherapy

The ever-improving technology to generate induced pluripotent stem cells (iPSCs) has increased their potential use as novel candidates for disease modeling, drug screening, regenerative medicine and cell therapy. Indeed, iPSCs offer extensive capacity for self-renewal without the ethical concerns faced by embryonic stem cells (ESCs). With respect to potential applications in the immune system, many studies provide evidence to support that there are exclusive advantages to using iPSCs over other systems. Both hematopoietic stem cells and several types of mature immune cells have successfully been reprogrammed to iPSCs and vice versa,paving a path toward our ability to effectively model patient-specific diseases and provide potentially alternative cell sources for transfusion medicine. Despite these potential advances, some limitations regarding the use of iPSCs in the clinic still remain,including the immunogenicity of iPSCs and their derivatives, which is currently under debate in the field. In this review, we mainly focus on discussing the recent progress being made in the latest differentiation methods and clinical implications of iPSCs with respect to the immune system. Additionally, current issues regarding the clinical application of iPSCs are addressed, especially the controversy surrounding immunogenicity, along with various other perspectives.
Crystal Growth and Characterization of Fluorinated Perylene Diimides

One-dimensional crystals of fluorinated perylene diimides were achieved by the self-assembly of them via solvent-nonsolvent exchanging. The π-conjugated fluorinated perylene diimides were assembled into highly-ordered nanostructures of well-defined morphologies in organic solvents due to the π-π interaction between the aromatic cores. It was found that with more introduced F atoms, perylene diimides showed remarkably improved solubility and thus were much easier to grow into crystals, due to the increased polarity induced by the strong electron-withdrawing F group. More importantly, single crystal of N,N'-diperfluoropheny1-3,4,9,10-perylenetetracarboxylic diimide(DPFPP) was obtained, and the unit cell-dimensions of triclinic structure were determined by the selected area electron diffraction(SAED) patterns to be α=0.712 nm,b=1.072 nm, c=2.914 nm, a=97.0o, β=89.6°, y=93.4°. Owing to most of the longest c-axis orienting nearly vertically to the long axis of the needle crystal, the molecular planes are expected to be vertical to the needle axis.
miRNA 与肿瘤干细胞关系的研究进展

肿瘤干细胞(cancer stem cells,CSCs)是肿瘤的启动细胞,具有高度自我更新、多向分化潜能、无限增殖、特异的细胞表面标志物及高致瘤等特性。它们是肿瘤复发和转移的重要原因。微小RNA (microRNAs, miRNAs)是一类内源性单链小分子RNA,通过与靶基因结合调控着众多基因的表达。miRNA 在多种肿瘤干细胞中表达异常,并参与调控肿瘤干细胞的增殖、分化和肿瘤发生等过程。随着miRNA 和肿瘤干细胞的深入研究,将加快肿瘤的诊断和治疗的进展。
杂交晚稻博优1652在广西防城区抛秧栽培技术

引进广西大学和中国农业科学院作物科学研究所选育的弱感光型三系杂交晚稻博优1652在广西防城港市防城区种植,表现出高产稳产、综合农艺性状优良、米质较优、抗性较好等特点。抛秧高产栽培要求把好播种关、育秧关、抛秧关以及本田肥水管理。
海南台风暴雨对水稻的危害及灾后补救措施

介绍了海南省水稻遭遇台风暴雨等自然灾害危害后的表现,提出了恢复生产的关键技术措施,为海南水稻生产中做好对台风暴雨等自然灾害的补救提供参考。
两系杂交旱稻新组合信旱优26高产制种技术

信旱优26是信阳市农业科学院用自育的粳稻恢复系99026与优良籼稻不育系培矮64S 配组育成的两系亚种间杂交旱稻新组合,介绍了信旱优26的亲本特征特性及高产制种技术。