Results 1 to 10 of about 729,666 (303)

Preparation of antibodies type IgY against Salmonella typhi lipopolysaccharide in chicken eggs

مجلة مركز بحوث التقنيات الاحيائية, 2012
ipopolysaccharide was extracted from local isolate Sallmonella typhi (previously isolated and characterized) by hot EDTA method, and the extract was partially purified by gel filtration chromatography on sepharose Cl-6B gel.
Mouruj A. Alaubydi, Susan Ahmad, Muayad Sabri   +2 more
doaj   +1 more source

In pursuit of β-amino α-nitro β-trifluoromethyl ketones: nitro-Mannich vs Mannich-type reactions [PDF]

, 2017
The reactivity of alfa-nitro ketones with trifluoromethyl aldimines is studied for the first time. While under nitro-Mannich conditions only the facial stereoselectivity can be controlled, organocatalysed Mannich-type reactions allowed a complete control
Ballini, Ballini, Ballini, Ballini, Bhadury, Carroccia, Carroccia, Chen, Claridge, Córdova, Dighe, Dinér, Donslund, Fioravanti, Fioravanti, Fioravanti, Fioravanti, Fioravanti, Gao, Ghosh, Hatano, Hurd, Ibrahem, Ilies, Kano, Kano, Kelly, Kobayashi, Kokotos, Levy, Merino, Mitsumori, Moteki, Nguyen, Nie, Noble, Parise, Parise, Pelagalli, Stach, Walaszek, Yang, Yin, Zhang, Zhang, Zheng   +45 more
core   +1 more source

Repurposing cancer drugs, batimastat and marimastat, to inhibit the activity of a group I metalloprotease from the venom of the Western Diamondback rattlesnake, Crotalus atrox [PDF]

, 2020
Snakebite envenomation causes over 140,000 deaths every year predominantly in developing countries. As a result, it is one of the most lethal neglected tropical diseases.
Bicknell, Andrew B., Lakshminarayanan, Karthik, Layfield, Harry J., Mehmi, Amita, Patel, Ketan, Ravishankar, Divyashree, Salim, Anika, Sonavane, Medha, Trim, Steven A., Vaiyapuri, Rajendran, Vaiyapuri, Sakthivel, Vallance, Thomas M., Williams, Harry F.   +12 more
core   +1 more source

Evaluation of gel chromatography for plasma lipoprotein fractionation

Journal of Lipid Research, 1970
The fractionation of lipoproteins of normal and hyperlipidemic subjects on a column of 2% agarose was compared with ultracentrifugation and paper electrophoresis procedures. The following results were obtained.
Teizo Sata, David L. Estrich, Peter D.S. Wood, Laurance W. Kinsell   +3 more
doaj   +1 more source

The Relation between Packing Effects and Solid State Fluorescence of Dyes [PDF]

, 1991
The solid state fluorescence of diketopyrrolopyrrole dyes and perylene-3,4:9,10- tetracarboxylic bisimides with alkyl substituents are investigated and compared with noncovalent interactions.
Aubert, Barrow, Demmig, Ebeid, Gold, Graser, Graser, Grossi, Haedicke, Haedicke, Krasovitskii, Langhals, Langhals, Langhals, Langhals, Langhals, Langhals, L�hmannsr�ben, Nagao, Nagao, Potrawa, Rademacher, Sachweh, Sadrai, Schwendener, Sicher   +25 more
core   +1 more source

Desalination effect on FⅧ components: a compartive study among 5 desalination methods

Zhongguo shuxue zazhi
Objective To compare the desalination effects of five desalination methods and their effects on the components for human coagulation factor Ⅷ(FⅧ), and provide reference for selection of protein desalination methods.
Renjun PEI, Xi DU, Pan SUN, Xiaoyue LI, Peng JIANG, Changqing LI, Fangzhao LIN, Haijun CAO   +7 more
doaj   +1 more source

Isolation and Characterization of a Phaseolus vulgaris Trypsin Inhibitor with Antiproliferative Activity on Leukemia and Lymphoma Cells

Molecules, 2017
A 17.5-kDa trypsin inhibitor was purified from Phaseolus vulgaris cv. “gold bean” with an isolation protocol including ion exchange chromatography on DEAE-cellulose (Diethylaminoethyl-cellulose), affinity chromatography on Affi-gel blue gel, ion exchange
Miao Li, Qin Liu, Yajuan Cui, Dong Li, Hexiang Wang, Tzi Bun Ng   +5 more
doaj   +1 more source

Purification and identification of a novel protein isolated from Panax quinquefolium and evaluation of its In vitro antioxidant properties

World Journal of Traditional Chinese Medicine, 2019
Objective: A novel protein was first purified from Panax quinquefolius L. (AGNP), and in vitro antioxidant activities of AGNP were first studied in this work.
Xue-Hui Li, Yang Yang, Zhao Yu, Ning Xu, Xiao-Lei Tang, Xue-Yuan Bai, Si-Ming Wang, Hao-Yuan Chen, Da-Qing Zhao, Li Liu, Bin Qi   +10 more
doaj   +1 more source

Derivatization-free gel permeation chromatography elucidates enzymatic cellulose hydrolysis

Biotechnology for Biofuels, 2012
Background The analysis of cellulose molecular weight distributions by gel permeation chromatography (GPC) is a powerful tool to obtain detailed information on enzymatic cellulose hydrolysis, supporting the development of economically viable biorefinery ...
Engel Philip, Hein Lea, Spiess Antje C
doaj   +1 more source

Dry-column chromatographic isolation of fatty acid esters of phorbol from croton oil

Journal of Lipid Research, 1969
The family of mixed fatty acid esters of 4,9,12,-13,20-pentahydroxy-tiglia-1,6-dien-3-one (phorbol) has been isolated from croton oil by column chromatography on silica gel and preparative dry-column chromatography on silica gel HF/254 packed in a ...
Paul R. Ocken
doaj   +1 more source