B W Li

ORCID: 0009-0005-3538-9014
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About
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Research Areas
  • Tissue Engineering and Regenerative Medicine
  • Bone Tissue Engineering Materials
  • Advancements in Photolithography Techniques
  • Bone and Dental Protein Studies
  • Medical Image Segmentation Techniques
  • Electrospun Nanofibers in Biomedical Applications
  • Periodontal Regeneration and Treatments
  • Medical Imaging Techniques and Applications

Peking University
2019-2024

Robust light transport algorithms, particularly bidirectional path tracing (BDPT), face significant challenges when dealing with specular or highly glossy involved paths. BDPT constructs the full by connecting sub-paths traced individually from source and camera. However, it remains difficult to sample vertices on surfaces narrow-lobed BSDF, as poses severe constraints sampling in feasible direction. To address this issue, we propose a novel approach, called proxy , that enables efficient...

10.1145/3658216 article EN ACM Transactions on Graphics 2024-07-19

Objective To evaluate the barrier effect of an absorbable membrane made by small intestinal submucosa (SIS) compared with Bio-Gide collagen membrane. Methods 12 healthy New Zealand male white rabbits were randomly assigned. A or B round bone defects a depth 2 mm and diameter 5 8 was in each rabbit's mandibular. The following treatments given respectively: covered SIS (S), (G) blank control (O). Then we got six groups: AS, AG, AO, BS, BG, BO (n=4). After 4 weeks, sacrificed. specimens...

10.19723/j.issn.1671-167x.2019.05.016 article EN Beijing Daxue xuebao. Yixue ban 2019-10-18

To study the biodegradation properties of multi-laminated small intestinal submucosa (mSIS) through in vitro and vivo experiments, comparing with Bio-Gide, most widely used collagen membrane guided bone regeneration (GBR) technique, for purpose providing basis to investigate whether mSIS meets requirements GBR dental clinics.The degradation were evaluated vivo. In was performed using prepared collagenase solution. Morphology Bio-Gide solution observed rate calculated at different time...

10.19723/j.issn.1671-167x.2020.03.025 article EN PubMed 2020-06-18
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