scholarly journals Facile, high yield ultrasound mediated protocol for ZnO hierarchical structures synthesis: Formation mechanism, optical and photocatalytic properties

2017 ◽  
Vol 36 ◽  
pp. 326-335 ◽  
Author(s):  
Oana Carp ◽  
Alina Tirsoaga ◽  
Ramona Ene ◽  
Adelina Ianculescu ◽  
Raluca F. Negrea ◽  
...  
Keyword(s):  
Formation Mechanism ◽  
Hierarchical Structures ◽  
Photocatalytic Properties ◽  
High Yield

Tube-in-Tube TiO2 Nanotubes with Porous Walls: Fabrication, Formation Mechanism, and Photocatalytic Properties

Small ◽  
2010 ◽  
Vol 7 (4) ◽  
pp. 445-449 ◽  
Author(s):  
Xijin Xu ◽  
Xiaosheng Fang ◽  
Tianyou Zhai ◽  
Haibo Zeng ◽  
Baodan Liu ◽  
...  
Keyword(s):  
Formation Mechanism ◽  
Tio2 Nanotubes ◽  
Photocatalytic Properties ◽  
Porous Walls

Zeolite microspheres with hierarchical structures: formation, mechanism and catalytic performance

2011 ◽  
Vol 21 (40) ◽  
pp. 16223 ◽  
Author(s):  
Yi Shi ◽  
Xiang Li ◽  
Junkai Hu ◽  
Jinhua Lu ◽  
Yuchun Ma ◽  
...  
Keyword(s):  
Formation Mechanism ◽  
Hierarchical Structures ◽  
Catalytic Performance

Enhanced photocatalytic properties of biomimetic Ag/AgCl heterostructures

RSC Advances ◽  
2014 ◽  
Vol 4 (60) ◽  
pp. 31795-31798 ◽  
Author(s):  
Hongyan Hu ◽  
Zhengbo Jiao ◽  
Gongxuan Lu ◽  
Jinhua Ye ◽  
Yingpu Bi
Keyword(s):  
Visible Light ◽  
Visible Light Irradiation ◽  
Organic Contaminants ◽  
Light Irradiation ◽  
Photocatalytic Properties ◽  
High Yield ◽  
Green Leaves ◽  
Photocatalytic Activities ◽  
Ag Nanowires ◽  
Natural Architecture

Hierarchical Ag/AgCl hetero-structures have been fabricated in high-yield by copying the natural architecture of a branch with green leaves, and exhibit higher photocatalytic activities than Ag/AgCl nanowires, AgCl nanoparticles, Ag nanowires, and N-doped TiO2 for the degradation of organic contaminants under visible light irradiation.

Optical and photocatalytic properties of Mn doped flower-like ZnO hierarchical structures

2016 ◽  
Vol 60 ◽  
pp. 86-93 ◽  
Author(s):  
Qun Ma ◽  
Xiangzhou Lv ◽  
Yongqian Wang ◽  
Jieyu Chen
Keyword(s):  
Hierarchical Structures ◽  
Photocatalytic Properties ◽  
Mn Doped

scholarly journals Nano-hydroxyapatite coating synthesized on quasi-fibrillar superstructures of collagen hydrolysate leads to superior osteoblast proliferation when compared to nano-hydroxyapatite synthesized on collagen fibrils

2021 ◽  
Author(s):  
Pradipta Banerjee ◽  
Mayur Bajaj ◽  
Chetna Bhat ◽  
Y Geethika ◽  
Hemanth Irle
Keyword(s):  
Cellular Response ◽  
Morphological Characteristics ◽  
Hierarchical Structures ◽  
Collagen Fibrils ◽  
High Yield ◽  
Structural Constraints ◽  
Collagen Hydrolysate ◽  
Self Assembling ◽  
Ha Coating ◽  
Osteoblast Adhesion

AbstractThis study had a two-fold objective: To utilize collagen hydrolysate for synthesizing a nanoscale Hydroxyapatite (HA) coating that would act as a superior osteoblast adhesion/proliferation agent compared to collagen-derived HA (C/HA) and to comprehend the significant role played by structural constraints on HA nucleation. Collagen was extracted from pacu skin with a high yield of 65.3% (w/w of tissue). It was digested by collagenase and the hydrolysate (CH) was purified with a high yield of 0.68g/g of collagen. The CH peptides had a mass of 6kDa, a predominant PP-II conformation and formed self-assembling hierarchical structures at physiological pH with dimensions of 842.2±229nm. The HA synthesized on CH (CH/HA) displayed higher yield when compared to C/HA. Structural analysis of CH/HA revealed that the PP-II peptides coiled to form mimic-helical moieties with reduced intermolecular packing distance of 0.9nm. The mimic helices cross-linked to form a vast quasi-fibrillar network that was comparatively smaller than collagen fibrils but exhibited enhanced stability and greater dynamicity. CH/HA displayed intense calcium-carboxyl interactions, sharper diffraction planes, smaller size of 48±6.2nm and a Ca/P ratio closer to 1.69 when compared to C/HA along with displaying serrated edge blooming crystals. Because of the small size, the CH/HA nanocrystals displayed significantly better osteoblast adhesion than C/HA and reduced the doubling time of cells. Overall, the results indicated that CH based nanocomposites displayed suitable morphological characteristics and cellular response for potential application as implant and bone graft coating material.Graphical abstract

A controlled solvothermal synthesis of CuS hierarchical structures and their natural-light-induced photocatalytic properties

2015 ◽  
Vol 39 (7) ◽  
pp. 5470-5476 ◽  
Author(s):  
Zahra Hosseinpour ◽  
Abdolali Alemi ◽  
Ali Akbar Khandar ◽  
Xiujian Zhao ◽  
Yi Xie
Keyword(s):  
Methylene Blue ◽  
Solvothermal Synthesis ◽  
Hierarchical Structures ◽  
Photocatalytic Properties ◽  
Natural Light

A solvothermal synthesis of CuS hierarchical structures for the photodegradation of methylene blue (MB).

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