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Hierarchically porous graphene as a lithium-air battery electrode.
- J. Xiao, Donghai Mei, +9 authors Ji-Guang Zhang
- Materials Science, Medicine
- Nano letters
- 13 October 2011
It is demonstrated that a novel air electrode consisting of an unusual hierarchical arrangement of functionalized graphene sheets (with no catalyst) delivers an exceptionally high capacity of 15000 mAh/g in lithium-O(2) batteries which is the highest value ever reported in this field. Expand
A review of bioactive plant polysaccharides: Biological activities, functionalization, and biomedical applications
Abstract Natural polysaccharides from different sources have long been studied and widely used in different areas, such as food and feed, medicine and pharmaceutics, and in papermaking. In recent… Expand
Ternary self-assembly of ordered metal oxide-graphene nanocomposites for electrochemical energy storage.
A ternary self-assembly approach using graphene as fundamental building blocks to construct ordered metal oxide-graphene nanocomposite films and electrodes is demonstrated and a new class of layered Nanocomposites is formed containing stable, ordered alternating layers of nanocrystalline metal oxides with graphene or graphene stacks. Expand
Screening and breeding of high taxol producing fungi by genome shuffling
- K. Zhao, W. Ping, +4 authors Dong-po Zhou
- Biology, Medicine
- Science in China Series C: Life Sciences
- 1 March 2008
To apply the fundamental principles of genome shuffling in breeding of taxol-producing fungi, Nodulisporium sylviform was used as starting strain and a high taxol producing fungus was obtained, which produced 516.37 μg/L taxol. Expand
Structure-function engineering of interferon-beta-1b for improving stability, solubility, potency, immunogenicity, and pharmacokinetic properties by site-selective mono-PEGylation.
The results demonstrate the capacity of this macromolecular engineering strategy to address both pharmacological and formulation challenges for a highly hydrophobic, aggregation-prone protein. Expand
Constraint of DNA on functionalized graphene improves its biostability and specificity.
The single-stranded DNA constrained on graphene surface is effectively protected from enzymatic cleavage by DNase I and the constraint of DNA probe on graphene improves the specificity of its response to complementary DNA. Expand
Pathways for practical high-energy long-cycling lithium metal batteries
State-of-the-art lithium (Li)-ion batteries are approaching their specific energy limits yet are challenged by the ever-increasing demand of today’s energy storage and power applications, especially… Expand
Gate-voltage control of chemical potential and weak antilocalization in Bi₂Se₃.
A much suppressed bulk conductivity at large negative gate voltages is suggested and a possible role of surface states in the WAL phenomena is suggested. Expand
A genetically incorporated crosslinker reveals chaperone cooperation in acid resistance.
A genetically encoded, highly efficient protein photocrosslinking probe was developed, which enabled this work to profile the in vivo substrates of a major acid-protection chaperone, HdeA, in Escherichia coli periplasm, and found that the periplasmsic chaperones DegP and SurA were initially found to be protected by HDeA at a low pH, but they subsequently facilitated the H deA-mediated acid recovery of other client proteins. Expand
In situ mechanical characterization of the cell nucleus by atomic force microscopy.
A modified AFM (atomic force microscopy) needle penetration technique is demonstrated to mechanically characterize cell nuclei in situ and shows that there is in situ nucleus softening in the highly metastatic bladder cancer cell line T24 when compared to its less metastatic counterpart RT4. Expand