Results 91 to 100 of about 27,903 (194)
Separation and Activity Screening of Peptides Derived from Mycale phyllophila [PDF]
, 2015 海绵是最原始的多细胞生物，拥有许多在结构上非常多样化的生物活性物质，是最具有药物开发潜力的海洋生物资源。这些生理活性物质常具有抗肿瘤、抗病毒、抗细菌、抗真菌、杀虫、抗炎、神经抑制、神经保护、防污等作用。作为海绵活性物质中重要的组成部分，海绵活性多肽具有分子量小、结构简单、生物效应多样、免疫原性低等特点，具良好的开发潜力。叶片山海绵（Mycalephyllophila）是福建沿海资源较丰富的物种，本研究以叶片山海绵为材料，建立海绵水溶性肽类的分离纯化、活性筛选和结构测定的方法 ...
贺腾飞
core
Automating the analysis of public saliency and attitudes toward biodiversity from digital media
Conservation Biology, EarlyView.Abstract Measuring public attitudes toward wildlife provides crucial insights into human relationships with nature and helps monitor progress toward Global Biodiversity Framework targets. Yet, conducting such assessments at a global scale presents challenges.
Noah Giebink +8 more
wiley +1 more source
生物炭对铜矿区污染土壤微生物活性及香根草富集铜、镉、铅的影响
Shuitu Baochi Xuebao, 2022 矿区土壤易发生重金属污染,是土地资源利用和维护的一大难题。以铜矿区污染土壤为研究对象,按质量比添加0,1%,2%,4%,10% (w/w)的生物炭,进行香根草室内盆栽试验。研究添加生物炭对土壤pH和微生物活性、香根草富集与转运重金属的影响,探明重金属形态含量与生物炭、微生物活性的相关性,旨在为生物炭与香根草联合修复矿区重金属污染土壤提供理论参考。结果表明:生物炭的添加能提高土壤pH,显著提高土壤FDA水解酶、蔗糖酶和脲酶活性,显著促进土壤基础呼吸,但对土壤微生物量碳无显著影响 ...
艾艳梅 +6 more
doaj
Conservation Biology, EarlyView.Abstract Human development is a driver of global change and a major threat to biodiversity. Protected areas maintain and support biodiversity, but outside stressors, such as climate change and land use change, can negatively influence natural resources within protected areas.
Leah J. Rudge +2 more
wiley +1 more source
Cost of parasite exposure depends on host ontogeny 寄生接觸的代價依賴於宿主發育階段
Ecological Entomology, EarlyView.The cost of parasite exposure varies across host developmental stages, demonstrating that ontogeny influences the expression of non‐consumptive effects (NCEs). Mite exposure resulted in consumptive effects in fly eggs and NCEs in early‐stage pupae; mite longevity was comparable when provisioned with pupae or water but increased when provisioned with ...
Lisa R. MacLeod +2 more
wiley +1 more source
Shuitu Baochi Xuebao, 2018 通过盆栽模拟铅（Pb）胁迫试验，研究了不同秸秆生物炭添加量（20，40 g/kg土壤）、不同鸡粪添加量（20，40 g/kg土壤）、秸秆生物炭和鸡粪等量复配（各20 g/kg土壤）处理对Pb胁迫下玉米生长和生理特性的影响。结果表明：施用生物炭和鸡粪不同处理均显著增加铅胁迫下玉米的株高、鲜重、光合色素含量、光合性能和抗氧化酶活性。生物炭和鸡粪等量复配处理较对照提高鲜重69.9%、株高50.0%、叶绿素b含量50.0%、净光合速率（Pn）97.9%、蒸腾速率（Tr）126.5%、气孔导度（Gs）132.6%、
刘领, 悦飞雪, 李继伟, 王艳芳
doaj
[Study on the intervention of platelet biological activity by ultrasound]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za Zhi, 2021 Liu T, Yang F.
europepmc +1 more source
Assessing the Effect of Deservingness Cues on Tolerance for Administrative Burdens
Policy Studies Journal, EarlyView.ABSTRACT Beneficiaries of public programs must overcome several administrative challenges. Given what we know about the politics of the welfare state, it seems likely that the public's willingness to support reductions in burdens may be associated with the characteristics of potential policy targets including their life circumstances and their race ...
Simon F. Haeder
wiley +1 more source
Veterinary Dermatology, EarlyView.ABSTRACT Background Canine atopic dermatitis (cAD) is a multifactorial, inherited skin disease, estimated to affect ≤ 15% of dogs. Studies of skin messenger mRNA in cAD currently use invasive methods, including blood sampling and biopsy collection, whilst advances in human atopic dermatitis study methodology have demonstrated reliable use of minimally ...
Xavier Langon +5 more
wiley +1 more source
ABCA12 Frameshift Deletion in Domestic Cats With Ichthyosis Fetalis
Veterinary Dermatology, EarlyView.ABSTRACT Background Ichthyosis fetalis (IF), also known as harlequin ichthyosis, is a rare and often fatal autosomal recessive congenital skin disorder. It is characterized by thickened, hard skin plaques and deep skin fissures that limit mobility and cause malformations of the eyes, lips and ears.
Jeanna M. Blake +2 more
wiley +1 more source