公开(公告)号：US20250002660A1

公开(公告)日：2025-01-02

申请号：US18692195

申请日：2022-01-11

Applicant: SHANDONG UNIVERSITY ,  YANSHAN UNIVERSITY

Inventor： Chuanzhen HUANG ,  Zhichao WANG ,  Hanlian LIU ,  Peng YAO ,  Wei WANG ,  Zhen WANG ,  Longhua XU ,  Shuiquan HUANG ,  Jun WANG ,  Hongtao ZHU ,  Bin ZOU

IPC: C08J3/075 ,  B33Y80/00 ,  C08J3/28 ,  C08J9/26 ,  C08J9/28 ,  C12N5/00

Abstract: A method for prepring a porous aerogel scaffold includes: adding a photoinitiator and polyethylene glycol diacrylate in a buffer solution, dissolving by heating and evenly mixing, adding Pluronic F127 into the mixed solution, and standing at a low temperature to obtain an aerogel scaffold material; printing a hydrogel scaffold by using a 3D printing technology, and performing UV irradiation so that a cross-linking of the hydrogel scaffold is caused to form a three-dimensional scaffold with a stable structure, performing low-temperature soaking to remove Pluronic F127, and then freeze drying the three-dimensional scaffold to obtain the porous aerogel scaffold. Wherein, Pluronic F127 serves as a sacrificial material which is removed after the 3D printing of the hydrogel scaffold is completed, and then a porous structure can be formed in the scaffold in combination with a freeze drying technology, which facilitates the survival, growth and proliferation of cells during the three-dimensional culture.

公开(公告)号：US20240108784A1

公开(公告)日：2024-04-04

申请号：US18081964

申请日：2022-12-15

Applicant: SHANDONG UNIVERSITY ,  YANSHAN UNIVERSITY

Inventor： Chuanzhen HUANG ,  Zhuang CHEN ,  Hanlian LIU ,  Peng YAO ,  Zhenyu SHI ,  Dun LIU ,  Hongtao ZHU ,  Bin ZOU ,  Zhen WANG ,  Minting WANG ,  Longhua XU ,  Shuiquan HUANG ,  Meina QU ,  Zhengkai XU ,  Yabin GUAN

IPC: A61L26/00 ,  B29C64/118 ,  B33Y10/00 ,  B33Y70/00 ,  B33Y80/00

CPC classification number: A61L26/008 ,  A61L26/0052 ,  B29C64/118 ,  B33Y10/00 ,  B33Y70/00 ,  B33Y80/00 ,  B29K2005/00 ,  B29L2031/753

Abstract: A hydrogel for cell-laden bioprinting, bioink, and a preparation method and an application thereof, relates to the technical field of biomedical polymer hydrogels. The hydrogel for cell-laden bioprinting is polymer gel formed by adding a cell-specific material into a matrix of alginate and gelatin and crosslinking and curing, wherein the cell-specific material is polypeptide selected according to different laden cells. The structures printed using the hydrogel may have the advantages such as adjustable mechanical properties, adjustable porosity, high biocompatibility, high printing accuracy, and high customizability, which may widely support the printing of human tissues and organs such as spinal cord, cartilage, and heart, and has good prospects for applications in tissue repair, organ transplantation and so on.

公开(公告)号：US20230405874A1

公开(公告)日：2023-12-21

申请号：US17941726

申请日：2022-09-09

Applicant: SHANDONG UNIVERSITY ,  YANSHAN UNIVERSITY

Inventor： Chuanzhen HUANG ,  Xuefei LIU ,  Hanlian LIU ,  Peng YAO ,  Hongtao ZHU ,  Bin ZOU ,  Dun LIU ,  Jun WANG ,  Zhen WANG ,  Longhua XU ,  Shuiquan HUANG

IPC: B28D5/04 ,  G02B1/118 ,  G02B1/113 ,  B23K26/0622

CPC classification number: B28D5/04 ,  G02B1/118 ,  G02B1/113 ,  B23K26/0624 ,  B23K2103/56

Abstract: A monocrystalline silicon micro-nano dual-scale anti-reflection texture and a preparation method therefor. The preparation method combines nanosecond-laser-assisted waterjet near-damage-free processing and femtosecond laser scanning, and subsurface damage caused by a re-cast layer phenomenon and a hot crack in a monocrystalline silicon laser texturing process can be effectively reduced by combining a nanosecond-laser-assisted waterjet near-damage-free processing technology and an ultra-short pulse femtosecond laser cold processing technology; and meanwhile, a micro-scale frame structure and a nano-scale structure can be flexibly modified respectively by adjusting nanosecond-laser-assisted waterjet technological parameters and femtosecond laser technological parameters, a geometry light trapping effect and an effective dielectric effect can be achieved in a micro-nano dual-scale hybrid structure at the same time, and surface reflection is reduced.

公开(公告)号：US20230219856A1

公开(公告)日：2023-07-13

申请号：US17706045

申请日：2022-03-28

Applicant: SHANDONG UNIVERSITY ,  YANSHAN UNIVERSITY

Inventor： Chuanzhen HUANG ,  Yan ZHANG ,  Hanlian LIU ,  Zhenyu SHI ,  Peng YAO ,  Zhen WANG ,  Longhua XU ,  Shuiquan HUANG ,  Jun WANG ,  Hongtao ZHU ,  Bin ZOU

IPC: C04B35/58 ,  C04B35/626 ,  C04B35/645 ,  B23B27/14

CPC classification number: C04B35/58 ,  C04B35/6261 ,  C04B35/6264 ,  C04B35/645 ,  B23B27/148 ,  C04B2235/3856 ,  C04B2235/3886 ,  C04B2235/404 ,  C04B2235/405 ,  C04B2235/6581 ,  C04B2235/6562 ,  C04B2235/6567 ,  B23B2226/18

Abstract: The present invention relates to the field of new materials technology, in particular to carbon nitride composite ceramic tool materials, preparation method and cutting tools thereof. The raw materials comprise carbon nitride, titanium carbonitride, molybdenum, nickel and cobalt, carbon nitride as the matrix phase, titanium carbonitride as the reinforcing phase are added to the carbon nitride based composite ceramic materials, with molybdenum, nickel and cobalt as a suitable sintering aid, dense composite tool material is obtained with vacuum hot press sintering method. The prepared carbon nitride based composite ceramic tool materials boast the advantages of low cost, high hardness, high bending strength and high fracture toughness, which is an important way to promote the innovation, development and popularization of carbon nitride materials.

公开(公告)号：US20220373444A1

公开(公告)日：2022-11-24

申请号：US17619092

申请日：2021-01-21

Applicant: SHANDONG UNIVERSITY

Inventor： Chuanzhen HUANG ,  Zhengyi TANG ,  Hanlian LIU ,  Hongtao ZHU ,  Bin ZOU ,  Peng YAO ,  Jun WANG

IPC: G01N3/24

Abstract: A method and system for calculating a primary shear zone stored energy field during steady-state cutting, the method including: fitting parameters of a workpiece material stored energy evolution model; discretizing the primary shear zone into infinitesimals on a main shear plane. The infinitesimals are small enough, a strain, strain rate, and temperature are assumed constant; introducing an equivalent cutting edge model simplifying three-dimensional cutting into two-dimensional cutting, calculating element strain and strain rate using a shear plane model, and analyzing element temperature using a heat conduction equation; deriving a differential equation of stored energy versus location in the primary shear zone using stored energy evolution, strain rate distribution, strain distribution, and temperature distribution models; and solving the differential equation for each infinitesimal using an initial shear plane as a model boundary, obtaining stored energy at each location to obtain a stored energy field distribution of the primary shear zone.

公开(公告)号：US20220341831A1

公开(公告)日：2022-10-27

申请号：US17642299

申请日：2020-07-13

Applicant: SHANDONG UNIVERSITY

Inventor： Bin LIU ,  Bo ZHANG ,  Hongtao ZHU ,  Mengmeng HU ,  Biao LI ,  Hanpeng WANG ,  Chunjin LIN

IPC: G01N3/56 ,  G01N33/24

Abstract: A horizontal jet-mechanical combined rock breaking test device and method. The device includes a horizontal base. One end of the horizontal base is provided with a multi-mode cutter head. A jet-mechanical combined cutter is provided on the multi-mode cutter head. The other end of the horizontal base is provided with a surrounding rock stress simulation bin for loading a rock sample. The multi-mode cutter head is connected to a driving mechanism, and the multi-mode cutter head is configured to advance and rotate horizontally along the horizontal base under the action of the driving mechanism, so that the jet-mechanical combined cutter is capable of acting on the rock sample.