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Gum Arabic induced assembly of cellulose nanocrystals in aqueous media.
Nanoscale Adv
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Department of Chemical Engineering, The Ilse Katz Institute for Nanoscience and Technology, Ben-Gurion University of the Negev Beer Sheva 84105 Israel
Entropy-driven assembly of nematic liquid-crystal phases of cellulose nanocrystals (SCNCs) in aqueous suspensions results in the emergence of a cholesteric liquid crystalline phase (N* phase). We report that a solvated, non-adsorbing, highly branched natural polysaccharide, Gum Arabic (GA), strongly affects the assembly of the SCNCs and modifies the phase diagram: GA leads to significant crowding of the SCNC rods and induces a new liquid-liquid phase transition, where SCNC-rich and GA-rich droplets coexist. The solvated GA does not induce coagulation or gelation of the suspended SCNCs (at low concentrations of 1-3 wt% of GA).
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Introduction: Owing to its high prevalence, colossal potential of chemoresistance, metastasis, and relapse, breast cancer (BC) is the second leading cause of cancer-related fatalities in women. Several treatments (eg, chemotherapy, surgery, radiations, hormonal therapy, etc.) are conventionally prescribed for the treatment of BC; however, these are associated with serious systemic aftermaths.
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Biosensor National Special Laboratory, Department of Biomedical Engineering, Zhejiang University, Hangzhou, China.
Cellular glycosylation is crucial for cell recognition, signal transduction, and the development of various diseases, especially in tumor initiation, progression, and metastasis. Current glycosylation profiling methods normally involve laborious sample processing and labeling and lack in-situ quantitative analysis. Here, we present a direct optical method to investigate and quantify the glycan expression on single cells based on lectin-glycan kinetic quantification with plasmonic imaging.
View Article and Find Full Text PDF[Expression and enzymatic characterization of a chitosanase with tolerance to a wide range of pH from ].
Sheng Wu Gong Cheng Xue Bao
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Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Urumqi 830017, Xinjiang, China.
To screen and identify a chitosanase with high stability, we cloned the chitosanase gene from with a high protease yield from the barren saline-alkali soil and expressed this gene in . The expressed chitosanase of . (BA-CSN) was purified by nickel-affinity column chromatography.
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Shock
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Department of Biomedical Engineering, Rutgers University, Piscataway, NJ 599 Taylor Road, Room 209, Piscataway, NJ, USA 08854.
Introduction: Coagulopathy following traumatic injury impairs stable blood clot formation and exacerbates mortality from hemorrhage. Understanding how these alterations impact blood clot stability is critical to improving resuscitation. Furthermore, the incorporation of machine learning algorithms to assess clinical markers, coagulation assays and biochemical assays allows us to define the contributions of these factors to mortality.
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