20 Result(s)
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Article
Zhi-hua Gan
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Article
Paclitaxel Prodrug Nanomedicine for Potential CT-imaging Guided Breast Cancer Therapy
Nanotheranostics, which combine the therapeutic and diagnostic functions in one integrated system, have received extensive attentions in cancer treatments because they enable non-invasive diagnosis, tumor-targ...
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Correction to “Enhanced Crystallization Rate of Poly(L-lactide)/Hydroxyapatite-graft-poly(D-lactide) Composite with Different Processing Temperatures”
In the version of this Article originally published, Fig. 7(f) was confused with Fig. 4(f). The corrected version of Fig. 7 is provided below. This graphical amendment does not affect the analyses, and additio...
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Article
Enhanced Crystallization Rate of Poly(L-lactide)/Hydroxyapatite-graft-poly(D-lactide) Composite with Different Processing Temperatures
Hydroxyapatite-graft-poly(D-lactide) (HA-g-PDLA) was synthesized by ring-opening polymerization with HA as initiator and stannous octanoate (Sn(Oct)2) as catalyst. Thermogravimetric analysis (TGA) and Fourier tra...
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A chaotic image encryption algorithm based on 3-D bit-plane permutation
There are two shortcomings existing in the current color image encryption. One is that high correlation between R, G, B components of the original image may be neglected, the other is that the encryption has litt...
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Function Projective Lag Synchronization of Chaotic Systems with Certain Parameters via Adaptive-Impulsive Control
A new method is presented to study the function projective lag synchronization (FPLS) of chaotic systems via adaptiveimpulsive control. To achieve synchronization, suitable nonlinear adaptive-impulsive control...
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Comb-like Poly(N-(2-hydroxypropyl) methacrylamide) Doxorubicin Conjugates: The Influence of Polymer Architecture and Composition on the Biological Properties
The synthesis and structure-property correlation of poly(N-(2-hydroxypropyl) methacrylamide) (PHPMA) conjugates with various architectures including random, block, branched or star-like structures and composition...
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Preparation of Porous Polylactide Microspheres and Their Application in Tissue Engineering
In this study, porous polylactide (PLA) microspheres with different structures were prepared through the multiple emulsion solvent evaporation method. By changing organic solvents (ethyl acetate and chloroform...
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Article
Folic Acid Modified Polymeric Micelles for Intravesical Instilled Chemotherapy
In this study, a targeting micellar drug delivery system was developed for intravesical instilled chemotherapy of bladder cancer. The amphiphilic diblock copolymer poly(ε-caprolactone)-block-poly(ethylene glycol)...
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Open AccessSelumetinib suppresses cell proliferation, migration and trigger apoptosis, G1 arrest in triple-negative breast cancer cells
Triple-negative breast cancer (TNBC) has aggressive progression with poor prognosis and ineffective treatments. Selumetinib is an allosteric, ATP-noncompetitive inhibitor of MEK1/2, which has benn known as eff...
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Sirolimus induces apoptosis and reverses multidrug resistance in human osteosarcoma cells in vitro via increasing microRNA-34b expression
Multi-drug resistance poses a critical bottleneck in chemotherapy. Given the up-regulation of mTOR pathway in many chemoresistant cancers, we examined whether sirolimus (rapamycin), a first generation mTOR inh...
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Biodegradable microspheres with poly(N-isopropylacrylamide) Enriched surface: Thermo-responsibility, biodegradation and drug release
Microspheres with thermo-responsible surface were fabricated by PCL-b-PEO-b-PNIPAM triblock copolymers. Thermo-responsible morphological changes of PCL-b-PEO-b-PNIPAM microspheres immersed in aqueous solution at ...
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Article
Temperature inhomogeneity in high capacity pulse tube cryocoolers
High power pulse tube cryocoolers are expected to be a very promising candidate for high temperature superconductors (HTS) cooling. Unfortunately there are still some problems significantly deteriorating the p...
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Performance of a precooled 4 K Stirling type high frequency pulse tube cryocooler with Gd2O2S
The efficiency of 4 K Stirling type pulse tube cryocoolers (SPTCs) is rather low due to significant regenerator losses associated with the unique properties of helium around 4 K and the high operating frequenc...
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Article
Acoustic impedance characteristics of linear compressors
The acoustic field of a linear compressor serves to deliver the compression work to the load, such as the connected cold head of a cryocooler; it plays an equivalently important role as the electrical and mech...
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Influence of compression-expansion effect on oscillating-flow heat transfer in a finned heat exchanger
Compression and expansion of a working gas due to the pressure oscillation of an oscillating flow can lead to a temperature variation of the working gas, which will affect the heat transfer in the oscillating ...
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Design and preliminary experimental investigation of a 4 K Stirling-type pulse tube cryocooler with precooling
A Stirling-type pulse tube cryocooler (PTC) with precooling was designed and manufactured to investigate its performance at 4 K. Numerical simulation was carried out based on the well-known regenerator model R...
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Measurement of boiling heat transfer coefficient in liquid nitrogen bath by inverse heat conduction method
Inverse heat conduction method (IHCM) is one of the most effective approaches to obtaining the boiling heat transfer coefficient from measured results. This paper focuses on its application in cryogenic boilin...
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Liquid film dryout model for predicting critical heat flux in annular two-phase flow
Gas-liquid two-phase flow and heat transfer can be encountered in numerous fields, such as chemical engineering, refrigeration, nuclear power reactor, metallurgical industry, spaceflight. Its critical heat flu...
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Study on a 5.0 W/80 K single stage Stirling type pulse tube cryocooler
A single stage Stirling pulse tube cryocooler was designed based on REGEN 3.2 and fabricated for testing. The experimental results show that the cooler can provide a cooling capacity of 5.0 W at 79.1 K, and pr...
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Article
Computational fluid dynamic simulation of an inter-phasing pulse tube cooler
An inter-phasing pulse tube cooler (IPPTC) consists of two pulse tube units, which are connected to each other at hot ends of the pulse tubes through a needle valve. This paper presents the computational fluid...
