Results 1 to 10 of about 4,184 (58)
Isolation, Identification and Neuroprotective Effect of Bioactive Substances from Cornus officinalis(山茱萸中生物活性物质的分离、鉴定及其神经保护作用) [PDF]
Shipin kexue jishu xuebao, 2021 To study the chemical constituents in ethanol extract of Cornus officinalis and their neuroprotective activity. The chemical constituents exerted neuroprotective effect were isolated and purified by normal phase silica gel column chromatography, Sephadex
LUAN Na(栾娜) +7 more
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Protective Effects of Four Legume Polysaccharides on Ethanol-Induced Acute Gastric Mucosal Lesions in Mice(4种杂豆多糖对乙醇诱导小鼠急性胃黏膜损伤的辅助保护作用) [PDF]
Shipin kexue jishu xuebao, 2023 Gastric ulcer is a peptic ulcer disease caused by gastric mucosal lesion. Because of its various side effects of chemotherapy drugs, it is very important to seek safer and more effective natural active compounds to treat gastric ulcer.
HUANG Zuanyuan(黄钻元) +6 more
doaj +1 more source
Preparation and Properties of Immobilized Flavourzyme on Globular Cross-linked Chitosan(壳聚糖固定化风味蛋白酶的制备及其酶学特性) [PDF]
Shipin kexue jishu xuebao, 2015 The preparation and properties of immobilized flavourzyme on globular cross-linked chitosan, with glutaraldehyde as crosslinking agent, were investigated. The optimal concentration of chitosan, NaOH and glutaraldehyde was 2.5%, 3%, and 0.5%, respectively,
SHI Guangbo(师广波) +3 more
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Gongye shui chuli, 2021 通过序批式反应器(SBR)和移动床生物膜反应器(MBBR)两种类型反应器的运行比较了活性污泥和生物膜工艺对不同浓度四环素废水中污染物的去除效果，发现在相同生物量条件下生物膜系统对总氮和四环素的去除效果优于活性污泥系统。基于高通量测序的宏基因组学分析结果表明，活性污泥和生物膜中抗生素抗性基因(ARGs)种类和丰度的差异可能是导致污染物去除效果不同的主要原因。进一步对活性污泥和生物膜中微生物群落结构及其与ARGs的相关性进行分析，证实了微生物群落结构与ARGs组成显著相关 ...
孙浩浩 +4 more
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Natural.Product.Biotransformation.Using.Microorganisms.and.New.Enzymes(天然活性成分生物转化的微生物、特异酶及其应用) [PDF]
Shipin kexue jishu xuebao, 2013 Main compounds of the herbs have the characteristics of low activity and are hard to be absorbed by bodies.To obtain more active and easy-absorbing natural products, the new microorganisms and special-new-enzymes relating natural product ...
JIN Feng-xie(金凤燮) +6 more
doaj +1 more source
Optimization of Hydrolysis Conditions for Antioxidative Peptides from Spirulina Using Alcalase(碱性蛋白酶水解螺旋藻制备抗氧化活性肽的工艺优化) [PDF]
Shipin kexue jishu xuebao, 2016 The hydrolysis conditions of antioxidant peptides from Spirulina powder using alcalase were optimized by single factor methods and the Box-Behnken experiments, in order to improve the antioxidant abilities and the yield of Spirulina peptides.The results ...
MA Yanfang(马艳芳) +4 more
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浙江大学学报. 医学版纳米药物递送系统具有高比表面积、结构功能多样性、表面可修饰性等优势，将其进一步构建为纳米药物吸入制剂，可实现药物在肺部的精准递送，提高药物的生物利用度，增强疗效。目前用于呼吸系统疾病治疗的纳米药物吸入制剂主要有四类：纳米药物吸入液体制剂制备工艺简单，应用广泛，但稳定性不足，通过优化纳米载体结构、表面改性、分散介质优化和雾化装置改构可提高其雾化的稳定性；纳米药物吸入气雾剂使用的抛射剂存在溶解纳米载体的风险，且乙醇等助溶剂可导致递送效率下降，亟需开发兼具热力学稳定性和具有理想递送效果的新型抛射剂以拓展其应用；
罗 尹佳 +3 more
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Review on Whey Protein Bioactive Peptides(乳清蛋白生物活性肽及其应用前景) [PDF]
Shipin kexue jishu xuebao, 2014 Due to the maturity of the separation and extraction technology and the rise of the research and product development of milk source active peptides, many potential bioactive peptides were found from whey protein.
ZHAO Lina(赵立娜) +2 more
doaj +1 more source
Tackling saiga horn consumption in Singapore: From consumer insights to intervention co‐design
People and Nature, EarlyView.Abstract The illegal and unsustainable wildlife trade is a key driver of biodiversity loss, and reducing consumer demand is recognised as a critical step in addressing it. However, studies understanding the drivers of wildlife product consumption and identifying effective strategies to reduce it remain very limited.
Xiaotong Cai +5 more
wiley +1 more source
Wildlife Letters, EarlyView.Using radiotelemetry, we found that the movement and home range of the endangered Sacalia bealei varied significantly across reproductive classes and seasons, with males exhibiting greater movement than females during wet and mating seasons. The species exhibits strong aquatic dependence, favoring deep pools interspaced among riffle‐pool sequences ...
Wing Sing Chan +3 more
wiley +1 more source