High-spin states in 162 Ho have been populated in the reaction 160 Gd( 7 Li, 5n) at a beam energy of 49 MeV. The K π = 1 − band, the low-K Gallagher-Moszkowski (GM) partner band of known high-K(K π = 6 − ) band, based on the configuration π 7/2 − [523] ⊗ ν5/2 + [642], and the K π = 6 + band, the high-K GM partner band of known low-K(K π = 1 + ) band, based on the configuration π 7/2 − [523] ⊗ ν5/2 − [523], have been identified. GM splitting energies, defined as E GM = E K int − E K int , 80 keV and −135 keV were extracted from these two sets of GM doublet bands, respectively. They are comparable with 65 keV and −145 keV, reported recently by Hojman et al. for the corresponding configurations π 7/2 − [523] ⊗ ν5/2 + [642] and π 7/2 − [523] ⊗ ν5/2 − [523] in 164 Ho, respectively.

Lanthanide doped upconversion luminescent nanoparticles (UCNPs) have drawn widely attention in biomedical research. The generally synthesized oleate capped UCNPs have no aqueous dispersibility so that surface modification is required to be water dispersible. Herein, we developed an easy-going but effective approach to prepare hydrophilic UCNPs based on oxidized alginate molecule

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The spider silk protein has distinctive physical, chemical, mechanical and biological properties. As a functional material, the application value of spider silk has increased in many fields. Consequently, considerable progress has been made in the expression of recombinant spider silk proteins through many host systems by gene engineering techniques. However, the mechanical properties of the silk fibre spun with the recombinant spider silk proteins are unsatisfactory because the recombinant spider silk proteins have too low of a molecular weight and do not have molecular orientation. This paper describes the construction and expression of a quasi-spider silk protein composed of spider silk protein and collagen-like peptides with the Pichia pastoris expression system. The quasi-spider silk protein is an 'ABA-type' triblock copolymer composed of triple helix-forming A blocks at both ends of the middle section. The triple helix-forming A blocks at both ends of the triblock copolymers consist of (Pro-Gly-Pro) n homopolymeric stretches, and the middle section of the molecule (B section) contains a spider silk protein that has been optimally designed. The supramolecular structure created by the three-block copolymers through directed self-assembly ensures that the artificial spider silk fibres will meet the requirement for molecular weight and definite molecular orientation, thus promoting the formation of silk fibres. The authors hope that this project will contribute to the study of materials science and biomedical engineering in regards to the huge potential of spider silk protein in these fields.