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1.
J Neurovirol ; 29(3): 350-354, 2023 06.
Article in English | MEDLINE | ID: mdl-37184750

ABSTRACT

The neurological manifestations of SARS-CoV-2-infected patients are receiving increasing attention with the global spread of SARS-CoV-2. Here, we report the first case of SARS-CoV-2-induced encephalitis in Qingdao, China. We detected SARS-CoV-2 in nasopharyngeal swabs and cerebrospinal fluid from this 68-year-old female patient.


Subject(s)
COVID-19 , Encephalitis , Female , Humans , Aged , SARS-CoV-2 , COVID-19/complications , Encephalitis/diagnosis , China
2.
Biopharm Drug Dispos ; 39(8): 403-407, 2018 Sep.
Article in English | MEDLINE | ID: mdl-30120769

ABSTRACT

Although the study of bioequivalence waivers in humans is already well-established, their application and translation into animals, which are complicated by differences in physiology, have only recently become subjects of interest. The main purpose of this paper is to quantify the liquid volume affecting drug dissolution in pig stomachs. We used magnetic resonance imaging (MRI) to scan 18 Bama miniature pigs weighing 15, 30 or 50 kg. Amira 6.0.1 software was used for 3D image processing. We found that the gastric fluid volume had a linear relationship with the weight of pig (R2  = 0.9935) over this weight range. The pig weight, therefore, could be used as a surrogate for the fasted gastric fluid volume. After combining data of gastric fluid secretion and drinking water volumes, our results could be used as a reference for the evaluation of oral drug absorption in pigs.


Subject(s)
Fasting/metabolism , Gastric Juice , Gastric Mucosa/metabolism , Animals , Body Weight , Drug Liberation , Magnetic Resonance Imaging , Stomach/diagnostic imaging , Swine , Swine, Miniature
3.
Guang Pu Xue Yu Guang Pu Fen Xi ; 29(4): 935-9, 2009 Apr.
Article in Chinese | MEDLINE | ID: mdl-19626876

ABSTRACT

A method and system for measuring deep trench structures of dynamic random access memory (DRAM) based on Fourier transform infrared (FTIR) reflectometry is proposed. The principle of the measurement system is presented, along with a detailed description of the optical path design. By regulating the slit aperture to decrease the size of the detection spot and optimizing the incidence angle onto the wafer, the reflection from the backside of the wafer is suppressed, thus the signal-to-noise ratio (SNR) of the measurement is increased significantly. The experiments carried out on the deep trench structures of DRAM demonstrate that the trench geometric parameters can be extracted with a nanometer scale accuracy using the proposed system, thus the technique is proven to provide a non-contact, nondestructive, time-effective, low-cost and high resolution tool for the measurement of deep trench structures. It is expected that the proposed technique will find potential applications in the on-line monitoring and process control for microelectronics and microelectromechanical system (MEMS) manufacturing.

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