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Simple and green technique for sequestration and concentration of silver nanoparticles by polysaccharides immobilized on glass beads in aqueous media
Springer Science and Business Media LLC - Tập 9 Số 1 - 2015
Alaeddine Kibeche, Alexandre Dionne, Roxanne Brion-Roby, Christian Gagnon, Jonathan Gagnon
Abstract Background Engineered nanoparticles have unique properties compared to bulk materials and their commercial uses growing rapidly. They represent a potential risk for environment and health and could be eventually released in water. Silver nanoparticles (Ag NP) are applied in various produ...... hiện toàn bộ
Bioaccumulative and conchological assessment of heavy metal transfer in a soil-plant-snail food chain
Springer Science and Business Media LLC - - 2012
Dragoş Nica, Marian Bura, I. Gergen, Monica Hărmănescu, Despina-Maria Bordean
Abstract Background Copper (Cu), zinc (Zn), cadmium (Cd), and lead (Pb) can pose serious threats to environmental health because they tend to bioaccumulate in terrestrial ecosystems. We investigated under field conditions the transfer of these heavy metals in a soil-plant-snail food chain in Bana...... hiện toàn bộ
The octanol/water distribution coefficients of ardipusilloside-I and its metabolites, and their permeation characteristics across Caco-2 cell monolayer
Springer Science and Business Media LLC - Tập 10 - Trang 1-8 - 2016
Wei-yu Cao, Bin Feng, Li-fei Cheng, Ying Wang, Ji Wang, Xiao-juan Wang
Ardipusilloside-I (ADS-I) is a triterpenoid saponin extracted from Chinese medicinal herb Ardisiapusill A. DC. Previous studies have demonstrated the potent anti-tumor activities of ADS-I both in vitro and in vivo, and its main metabolites (M1 and M2) from human intestinal bacteria. However, the physicochemical properties and intestinal permeation rate of ADS-I and its metabolites are not understo...... hiện toàn bộ
Further adventures in shape space
Springer Science and Business Media LLC - Tập 2 - Trang 1-1 - 2008
Paul Hawkins, AG Skillman, A Nicholls
Facile synthesis of α-alkoxymethyltriphenylphosphonium iodides: new application of PPh3/I2
Springer Science and Business Media LLC - Tập 12 - Trang 1-10 - 2018
Humaira Yasmeen Gondal, Zain Maqsood Cheema, Javid Hussain Zaidi, Sammer Yousuf, M. Iqbal Choudhary
An efficient one pot method for the synthesis of α-alkoxymethylphosphonium iodides is developed by using PPh3/I2 combination at room temperature. Reaction conditions are found general to synthesize wide range of structurally variant alkoxymethylphosphonium iodides in high yield (70–91%). These new functionalized phosphonium salts are further used in stereoselective synthesis of vinyl ethers as wel...... hiện toàn bộ
Synthesis and biological profile of substituted benzimidazoles
Springer Science and Business Media LLC - Tập 12 - Trang 1-12 - 2018
Neelam Vashist, Surinder Singh Sambi, Balasubramanian Narasimhan, Sanjiv Kumar, Siong Meng Lim, Syed Adnan Ali Shah, Kalavathy Ramasamy, Vasudevan Mani
A series of benzimidazole derivatives was developed and its chemical scaffolds were authenticated by NMR, IR, elemental analyses and physicochemical properties. The synthesized compounds were screened for their antimicrobial and antiproliferative activities. The synthesized benzimidazole compounds were evaluated for their antimicrobial activity using the tube dilution method and were found to exhi...... hiện toàn bộ
Extraction, purification, characterization and antioxidant activities of polysaccharides from Ramaria botrytis (Pers.) Ricken
Springer Science and Business Media LLC - Tập 11 - Trang 1-9 - 2017
Hua Li
Ramaria botrytis (Pers.) Ricken, a member of the family Clavariaceae, has been widely prescribed for anti-aging and improving immunity. To extract and purify the polysaccharides, the main constituent of the fruiting-body, from R. botrytis and explore antioxidant activities was great significant. Ramaria botrytis polysaccharides (RBP) was extr...... hiện toàn bộ
α-Glucosidase inhibitors from the bark of Mangifera mekongensis
Springer Science and Business Media LLC - Tập 10 - Trang 1-6 - 2016
Hai Xuan Nguyen, Tri Cong Le, Truong Nhat Van Do, Tho Huu Le, Nhan Trung Nguyen, Mai Thanh Thi Nguyen
Mangifera mekongensis (Anacardiaceae) is cultivated for its edible fruit and has been used in traditional Vietnamese medicine for its anti-aging properties and for treating diabetes, vermifuge, and dysentery. As part of a search for biologically active compounds with reduction of the rate of glucose absorption, a screening has been initiated to evaluate natural product ...... hiện toàn bộ
Synthesis, anti-angiogenic and DNA cleavage studies of novel N-(4-methyl-3-((4-(pyridin-3-yl)pyrimidin-2-yl)amino)phenyl)piperidine-4-carboxamide derivatives
Springer Science and Business Media LLC - Tập 11 - Trang 1-11 - 2017
Vinaya Kambappa, G. K. Chandrashekara, N. D. Rekha, Prasanna D. Shivaramu, Komaraiah Palle
A series of novel N-(4-methyl-3-((4-(pyridin-3-yl)pyrimidin-2-yl)amino)phenyl)piperidine-4-carboxamide derivatives 10(a–f), 12(a–c) and 14(a–c) were synthesized and characterized by FTIR, 1H-NMR, mass spectral and elemental analysis. The efficacy of these derivatives to inhibit in vivo angiogenesis was evaluated using chick chorioallantoic membrane (CAM) model and their DNA cleavage abilities were...... hiện toàn bộ
Study on essential oils from four species of Zhishi with gas chromatography–mass spectrometry
Springer Science and Business Media LLC - Tập 8 - Trang 1-8 - 2014
Yuanyan Liu, Zhenli Liu, Chun Wang, Qinglin Zha, Cheng Lu, Zhiqian Song, Zhangchi Ning, Siyu Zhao, Xinmiao Lu, Aiping Lu
Citrus fruits are widely used as food and or for medicinal purposes, and they contain a host of active substances that contribute to health. The immature fruits of Citrus sinensis Osbeck and its cultivars (CS), C. junos Sieb. ex Tanaka (CJ), C. aurantium L. and its cultivars (CA) and Poncirus trifoliate Raf. (PT) are the most commonly used medicinal herbs in Traditional Chinese Medicine, called Zh...... hiện toàn bộ
Tổng số: 836   
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