Effect of light intensity on negative air ion under phytotron control.

Negative air ion (NAI) is an important index for measuring air quality and has been widely recognized to be influenced by photosynthesis processes. However, vegetation type and light intensity are also known to impact NAI, contributing to significant uncertainties in the relationship between light and NAI. In this paper, we selected Pinus bungeana, Platycladus orientalis and Buxus sinica as research subjects and obtained their NAI, light intensity, and meteorological data through synchronous observation under the relatively stable condition of the phytotron.

Morphologic classification of the right auricule on 256-slice computed tomography.

Purpose: To investigate the shape of right auricule on 256-slice computed tomography (CT).

Materials And Methods: Five hundred people (250 men, age range 16-84 years) who had cardiac multidetector CT angiography were recruited in this study. All patients had normal sinus rhythm with normal blood pressure (<140/90 mmHg for systolic/diastolic pressure).

Evaluation of left gastric vein in Chinese healthy adults with multi-detector computed tomography.

Objectives: To evaluate the classification and diameter of left gastric vein (LGV) in healthy Chinese adults with multi-detector computed tomography (MDCT).

Methods: MDCT angiography was performed in 234 healthy adults for the portal venous system. CT cross-sectional thin-layer reconstruction combined with maximum intensity projection, volume rendering and multiplanar reconstruction were applied.

Quantitative Evaluation of the Substantially Variable Morphology and Function of the Left Atrial Appendage and Its Relation with Adjacent Structures.

Objective: To investigate quantitatively the morphology, anatomy and function of the left atrial appendage (LAA) and its relation with adjacent structures.

Materials And Methods: A total of 860 patients (533 men, 62.0%, age 55.

High plasma levels of oxidatively modified low-density lipoproteins are associated with the suppressed expression of immunomodulatory molecules in patients with hematological malignancies.

Dyslipidemia is a common feature in immunosuppressed patients, such as kidney and bone marrow transplantation recipients and patients with breast, prostate or gynecological carcinoma or acute lymphoblastic leukemia. In addition, high levels of oxidatively modified low-density lipoproteins (oxLDLs) are closely associated with carcinogenesis. There are, however, no reports on the association between the serum oxLDL levels and the expression of important immunomodulatory molecules in patients with hematological disorders.

[The study of increased immunogenicity of UCMSC Stimulated by TLR7 agonist CL264].

Objective: To study the change of immune status of umbilical cord mesenchymal stem cells (UCMSC) stimulated by toll like receptor 7 (TLR7) agonist CL264.

Methods: TLR7 specific ligand CL264 was used to stimulate the UCMSC. Flow cytometry was conducted to assay the expression of co-stimulators [human leukocyte antigen (HLA)-E, CD80 and CD86] and surface markers of stem cells (CD29, CD59 and CD90).

[The effect of different factors on forming-dentin differentiation of rat dental mesenchymal cells].

Purpose: To investigate the effects of combined use of bFGF, IGF1, BMP4 and TGF-β1 on forming-dentin differentiation of rat dental mesenchymal cells (rDMCs).

Methods: Enzyme and differential digestions were performed to isolate and culture rDECs and rDMCs, and immunofluorescence staining against cytokeratin and vimentin were carried out to identify cell sources. Then alizarin red staining and Gomori calcium-cobalt method were used to detect the mineralization ability of rDMCs after mineralized induction.

[The effects of ADAM28 AS-ODN on biological function of human gingival fibroblasts].

Purpose: To study the effects of a disintegrin and metalloproteinase 28 (ADAM28) antisense oligodeoxynucleotide (AS-ODN) on proliferation, differentiation and apoptosis of human gingival fibroblasts (HGFs), and analyze the possible mechanism.

Methods: Cell culture, gene transfection, MTT chromatometry, enzyme dynamics, and flow cytometry (FCM) techniques were used to detect the effects of ADAM28 AS-ODN on biological characteristics of HGFs after transfected into HGFs. The statistical differences were evaluated by SNK test with SPSS 16.

[Rapid determination of componential contents and calorific value of selected agricultural biomass feedstocks using spectroscopic technology].

Rapid determination of biomass feedstock properties is of value for the production of biomass densification briquetting fuel with high quality. In the present study, visible and near-infrared (Vis-NIR) spectroscopy was employed to build prediction models of componential contents, i. e.

[Effects of domestic wastewater slow infiltration on the growth of poplar 'Zhonglin 2001' plantation].

A slow infiltration experiment with different hydraulic loads (0, 3, 6, 9, 12, and 15 cm per week) of domestic wastewater was conducted in a 'Zhonglin 2001' poplar plantation to study the effects of the wastewater slow infiltration on the growth of the plantation. Comparing with the control (0 cm), the other five treatments increased the soil organic matter, total N, total P, total K, and Na+ contents in the plantation averagely by 1.940 g x kg(-1), 0.

[SPAD prediction of leave based on reflection spectroscopy].

Handheld SPAD meter is often used to measure chlorophyll content of plant and nitrogen level for some species. For plant production automation, however, it loses its popularity due to its point-by-point checking. The authors need to monitor the growing conditions of plant remotely, instantly and nondestructively.

[3-D modeling of origin discrimination of fragrant mushrooms using visible/near infrared spectra].

The potential of visible/near infrared absorbance spectroscopy as a way for the nondestructive discrimination of various fragrant mushrooms was evaluated. First, the spectral data ranging from 375 to 1025 nm were analyzed by principal component analysis (PCA) for data compression and space clustering. The resulting accumulative credibility of 94.

[Establishment of an rat model of tumor-associated depression].

Objective: To establish an animal model of tumor-associated depression and observe their biological behaviors and biochemical indices.

Methods: Four groups of SD rats kept in separate cages were subjected to tumor cell inoculation with or without chronic unpredictable moderate stress administered before or after the inoculation. The depressive behaviors of the rats were examined by open-field test, and the concentration of 5-HT in the hippocampus was measured by spectrophotofluorometry.

[Temperature changes of patients with severe acute respiratory syndrome: a comparative study].

Objective: To explore the patterns of temperature changes of patients with the severe acute respiratory syndrome (SARS) and the effect of glucocorticoid hormone on the temperature of these patients.

Methods: The clinical data of 94 SARS cases treated during the outbreak of SARS in South China in 2003 were collected for a retrospective review. According to different treatment regimens, the patients were divided into hormone group (n=35) and non-hormone group (n=59).