Wanchen Zhai

ORCID: 0009-0006-5712-4524
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Research Areas
  • Essential Oils and Antimicrobial Activity
  • Natural product bioactivities and synthesis
  • Colorectal Cancer Treatments and Studies
  • Phytochemistry and Biological Activities
  • Bee Products Chemical Analysis
  • Protein Hydrolysis and Bioactive Peptides
  • Phytochemicals and Antioxidant Activities
  • Lung Cancer Treatments and Mutations
  • Biological and pharmacological studies of plants
  • Peptidase Inhibition and Analysis
  • Phytochemical compounds biological activities
  • Biochemical effects in animals
  • Lung Cancer Research Studies
  • Medicinal plant effects and applications
  • Neuroendocrine Tumor Research Advances
  • Meat and Animal Product Quality
  • Advanced Drug Delivery Systems
  • Phytochemical and Pharmacological Studies
  • Drug Transport and Resistance Mechanisms
  • Pharmaceutical studies and practices
  • Seaweed-derived Bioactive Compounds
  • Polysaccharides and Plant Cell Walls
  • Cancer Immunotherapy and Biomarkers
  • Natural Compound Pharmacology Studies

Zhejiang Cancer Hospital
2024

Zhejiang Chinese Medical University
2024

Jilin University
2018-2022

Jilin University of Chemical Technology
2017-2018

Huperzine A (HupA) is a selective acetylcholinesterase inhibitor used to treat Alzheimer's disease. The existing dosage of HupA lacks brain selectivity and can cause serious side effects in the gastrointestinal peripheral cholinergic systems.The aim this study was develop characterize nanoemulsion (NE) targeted HupA-NE modified with lactoferrin (Lf) for intranasal administration.The NE formulated using pseudo-ternary phase diagrams optimized response surface methodology. Particle size...

10.2147/ijn.s214657 article EN cc-by-nc International Journal of Nanomedicine 2019-11-01

The association between immune-related adverse events (irAEs) and survival outcomes in non-small cell lung cancer (NSCLC) patients treated with programmed death-(ligand) 1 [PD-(L)1] inhibitors remains controversial, partly due to variations dealing immortal-time bias (ITB).

10.4143/crt.2023.1118 article EN Cancer Research and Treatment 2024-01-02

Bletilla striata is widely used for stanching bleeding. In this study, polysaccharides from B. (BSP) were extracted by hot water. Four named BSP-1–BSP-4 fractionated using DEAE-52 cellulose. BSP fractions contained sulfate, and the degrees of substitution BSP-3 BSP-4 1.59 1.70, respectively. Analysis monosaccharide composition showed that four mainly composed mannan glucose. The in vitro results elicited pro-coagulant capacities shortening activating partial thromboplastin time, prothrombin...

10.1021/acsomega.0c05171 article EN cc-by-nc-nd ACS Omega 2020-12-30

The chemical composition and potential bioactivities of essential oil from Quercus mongolica bark (EOQMB) were researched for value-added utilization processing by-product. results gas chromatography-mass spectrometry (GC–MS) analysis showed that 30 components accounting 98.42% identified in EOQMB, with pentadecanoic acid the most abundant compound 34.90%, which was further confirmed by Fourier transform infrared observation. EOQMB exerts antioxidant activities, IC50 values scavenging DPPH...

10.1016/j.arabjc.2022.104076 article EN cc-by-nc-nd Arabian Journal of Chemistry 2022-06-28

Background: Immunotherapy blocking programmed death-1 (PD-1)/programmed death ligand-1 (PD-L1) has revolutionized the treatment of extensive-stage small-cell lung cancer (SCLC), but only with limited real-world efficacy data; evidence from immunotherapy for other pulmonary neuroendocrine carcinoma (PNEC) is scarce. Objective: The purpose this study to evaluate receiving PD-1/PD-L1 inhibitors in patients advanced PNEC and explore factors related survival prognosis, providing clues PNEC....

10.1177/17588359241288130 article EN cc-by-nc Therapeutic Advances in Medical Oncology 2024-01-01

Abstract The chemical composition and antitumor activity of essential oil were compared for four parts the Arisaema Amuremse Maxim. Chemical constituent in every Maxim was identified by GC-MS analysis systematically. had 114 kinds oils. Tubers, petioles, leaves, fruits 53, 48, 5 21 species oil, respectively. antiproliferative against Hep2, HCT-116, A549, SW480, HepG2 cell lines been investigated MTT assay. tubers, leaves all strong activity. IC 50 19.60μg·mL -1 , 17.60μg·mL 23.80μg·mL...

10.1515/chem-2019-0054 article EN cc-by Open Chemistry 2019-09-25

Summary As food ingredient, Anser cygnoides is farmed in large scale; however, its blood underused. The characteristics, stability and antioxidant activities of P owder A . C ygnoides S erum ( FACSP ) were investigated. Results showed that was protein‐rich displayed satisfactory activities. In vitro analysis indicated the IC 50 values 2, 2′‐azinobis‐(3‐ethylbenz‐thiazoline‐6‐sulphonate), 1,1‐diphenyl‐2‐picrylhydrazyl hydroxyl radicals 1.56, 2.76 39.55 mg mL −1 , respectively. vivo experiment...

10.1111/ijfs.13689 article EN International Journal of Food Science & Technology 2017-12-10
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