Results 121 to 130 of about 71,844 (252)

甲状腺未分化癌の1例 [PDF]

open access: yes, 1986
甲状腺未分化癌に特有の画像所見を呈した1例について報告した。departmental bulletin ...
道岸, 隆敏   +7 more
core   +1 more source

Behavioral interventions to reduce demand for threatened freshwater turtles as pets

open access: yesConservation Biology, EarlyView.
Abstract Growing demand for freshwater turtles as pets has fueled illegal trade and accelerated wild population declines, underscoring the need for theory‐based demand‐reduction interventions. We conducted a three‐part randomized controlled trial with active turtle keepers (n = 1800) in China to test conservation‐ and legality‐framed messages by ...
Wuji Zheng   +9 more
wiley   +1 more source

儿童肝肿瘤国际协作组和中国儿童肿瘤组新危险度分层在肝母细胞瘤预后评估中的应用比较

open access: yesZhongshan Daxue xuebao. Yixue kexue ban
目的比较儿童肝肿瘤国际协作组(CHIC)和新中国抗癌协会小儿肿瘤专业委员会(CCCG)肝母细胞瘤(HB)危险度分层对中国HB患儿的预后预测效应和化疗指导价值,以期确定适合中国HB患儿的危险度分层。方法本研究回顾性分析2010年2月至2023年9月于中山大学附属第一医院初次诊断年龄<18岁的403例HB患儿的临床资料,比较CHIC和新CCCG危险度分层的预后预测效应和化疗指导价值。使用SPSS 27.0进行统计分析。结果①按照新CCCG危险度分层,并且采用和未采用CCCG-HB ...
李珍   +6 more
doaj  

阶段性酶消化法高效分离关节软骨细胞

open access: yesZhongguo shiyan zhenduanxue, 2008
目的探讨软骨细胞的简便、高效分离方法。方法应用自行设计和制造的细胞消化器,对10只新西兰白兔关节软骨细胞进行阶段性酶消化分离,以45min为一个消化单位时间,计算细胞收获率和细胞存活率。并与传统分离法进行比较。结果应用改进的细胞消化器通过阶段消化分离法可获得大量具有活性的软骨细胞,细胞收获率4877±726×104个/g,细胞存活率98.7±1.6%,比传统消化分离法有明显提高。结论应用自制细胞消化器进行软骨细胞的阶段性酶消化分离简便宜行,可高效分离软骨细胞。
高硕徽   +4 more
doaj  

Modeling seed germination data to meet biodiversity conservation needs in the Mediterranean

open access: yesConservation Biology, EarlyView.
Workflow to assess the availability and quality of germination data and assign species' thermal risk in the Mediterranean. (a) Assessment of data availability, including the phylogenetic distribution of the number of records (i.e. available germination data); (b) data quality assessment; and (c) assignment of climate risk categories for species that ...
Diana María Cruz‐Tejada   +2 more
wiley   +1 more source

Exploring legal‐ and health‐risk messaging to reduce demand for elephant skin

open access: yesConservation Biology, EarlyView.
Abstract Asian elephants (Elephas maximus) are poached for an illegal trade in their skins, which are used in traditional medicine in Africa and Asia. We explored whether messages about the legal and health risks of using elephant skin for medicinal purposes (stomach illness) could reduce such consumption.
Beilu Duan   +10 more
wiley   +1 more source

CFTR对前脂肪细胞增殖和分化的影响 [PDF]

open access: yes, 2019
【目的】探讨囊性纤维化跨膜转导调节因子(CFTR)对内脏脂肪组织前脂肪细胞增殖和分化的调控作用。【方法】分别采用CFTR基因敲除小鼠(CFTRKO)4、8周龄及同周龄野生型对照鼠,分离内脏脂肪组织前脂肪细胞,采用实时荧光定量PCR(RT-qPCR)技术检测增殖分化转录因子表达变化。采用地塞米松-异丁基甲基黄嘌呤-胰岛素(DMI)诱导3T3-L1细胞建立前脂肪细胞分化模型,采用免疫印迹(Western blot)技术检测CFTR及分化因子蛋白表达变化;并进一步转染CFTR沉默及过表达病毒,采用免疫印迹 ...
杜洁仪   +3 more
core  

Motivation, Self‐Regulated R2W Strategy Use, and Their Relationship Patterns Among Different Writing Performance Groups

open access: yesInternational Journal of Applied Linguistics, EarlyView.
ABSTRACT The study investigated how writing motivation and self‐regulated read‐to‐write (SRL‐R2W) strategy use was related to writing performance and how the relationship between motivation and SRL‐R2W strategy use varied among different writing performance groups.
Huixuan Zhou   +3 more
wiley   +1 more source

Dicamba与2,4-D对小麦幼胚盾片愈伤诱导及分化的影响/Effects of Dicamba and 2,4-D on Calli Induction and Differentiation of Young Embryo Scutellum of Wheat[J] [PDF]

open access: yes, 2013
以新冬26号耐盐小麦幼胚盾片为材料,研究了Dicamba与2,4-D单独或组合对小麦幼胚盾片愈伤组织诱导及分化的影响.结果表明,培养基中添加不同浓度的2,4-D或Dicamba以及组合添加这两种激素后愈伤组织诱导率普遍较高,组合添加2,4-D和Dicamba比单独添加这两种激素能获得更好的愈伤组织生长状态;诱导培养基中添加Dicamba或2,4-D以及组合添加这两种激素对愈伤组织分化的影响差异显著,组合添加Dicamba和2,4-D比单独添加这两种激素更有利于愈伤分化,最适合愈伤分化的激素配比为0.5 ...
任崴   +7 more
core  

AQP1对中国人肺腺癌细胞分化影响

open access: yesZhongguo shiyan zhenduanxue, 2009
目的研究AQP1与中国人肺腺癌细胞分化的关系。方法取临床手术的肺癌标本进行HE染色和SP法免疫组织化学染色。结果高分化腺癌细胞膜和细胞质表达AQP1;低分化腺癌细胞膜表达AQP1;未分化腺癌细胞不表达AQP1,只要形成微小的腺泡,癌细胞就表达AQP1。结论AQP1参与肺腺癌细胞的分化和腺泡的形成。
杨立明   +5 more
doaj  

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