Reduction of methane and nitrous oxide emissions from stormwater bioretention cells through microbial electrolytic cells.

This study investigated the reduction of methane (CH) and nitrous oxide (NO) emissions from stormwater bioretention cells through microbial electrolytic cell (MEC), showing the largest reduction of 32.21 % (CH) at 9.2 μA/m of current density and 56.

[Improved unilateral puncture PVP based on 3D printing technology for the treatment of osteoporotic vertebral compression fracture].

Objective: To investigate the clinical effect of unilateral percutaneous vertebroplasty (PVP) combined with 3D printing technology for the treatment of thoracolumbar osteoporotic compression fracture.

Methods: A total of 77 patients with thoracolumbar osteoporotic compression fractures from October 2020 to April 2022 were included in the study, all of which were vertebral body compression fractures caused by trauma. According to different treatment methods, they were divided into experimental group and control group.

[Experimental study of individualized 3D printing-guided template combined with thoracolumbar pedicle screw placement for the treatment of ankylosing spondylitis].

Objective: To evaluate accuracy and safety of individualized 3D printing guided template for thoracolumbar pedicle screw placement in patients with ankylosing spondylitis.

Methods: From January 2016 to September 2019, thoracolumbar spine three-dimensional CT data of 8 patients with ankylosing spondylitis were included, Mimics 17.0 and ideaMaker computer software were applied to design thoracolumbar pedicle screw guided template of patients with AS, physical model of all patients (T-L)were printed by 3D printer, 2 parts in each patient, and divided into guide-plate-assisted screw group (experimental group) and free-hand nail group (control group).

Treatment quality and outcome for multidrug-resistant tuberculosis patients in four regions of China: a cohort study.

Background: China incurs an extremely low treatment coverage of multidrug-resistant tuberculosis (MDR-TB). This study aimed to understand the experience of MDR-TB patients on quality of health care, and the clinical impact through an up to six-year follow-up.

Methods: Cohorts of MDR-TB patients were built in TB/MDR-TB designated hospitals in four regions of China from 2014 to 2015.

Spleen contributes to restraint stress induced hepatocellular carcinoma progression.

The spleen is the largest secondary immune organ and plays a critical role in the progression of tumor. Psychological stress promotes tumor progression through inhibiting antitumor immune. However, the role of spleen in tumor progression induced by stress is unclear.

Mechanism of vanadium(IV) resistance of the strains isolated from a vanadium titanomagnetite mining region.

Microbial treatment for vanadium contamination of soils is a favorable and environment-friendly method. However, information of the resistant mechanism of the strains in soils to vanadium, especially to tetravalent vanadium [vanadium(IV)], is still limited. Herein, potential of the vanadium(IV) biosorption and biotransformation of the strains (4K1, 4K2, 4K3 and 4K4) which were capable of tolerating vanadium(IV) was determined.

[3D printing technology assisted the preoperative planning and application value in adult kyphoscoliosis deformity].

Objective: To explore the application value of 3D printing technology in preoperative surgery plan and intraoperative auxiliary operation for adult kyphoscoliosis deformity.

Methods: The clinical data of 12 adult patients with kyphoscoliosis deformity treated from September 2017 to January 2019 were retrospectively analyzed. There were 3 males and 9 females, aged from 21 to 63 years old with an average of (47.

Chronic restraint stress promotes hepatocellular carcinoma growth by mobilizing splenic myeloid cells through activating β-adrenergic signaling.

Psychological stress promotes tumor progression and has a large impact on the immune system, particularly the spleen. The spleen plays an important role in tumor behavior. However, the role and mechanism of the spleen in hepatocellular carcinoma progression induced by stress is unclear.

Organic degradation and extracellular products of pure oxygen aerated activated sludge under different F/M conditions.

This study aimed to investigate the effect of food to microorganisms rate (F/M) on organic removal, extracellular polymeric substances (EPS) and soluble microbial products (SMP) of the pure oxygen aerated activated sludge running in batch mode. The F/M rates were controlled by adjusting the MLSS concentrations (2000, 5000, 8000 mg/L) and/or the initial TOC concentrations (100, 500 mg/L). Results showed that at high F/M rate (0.

Three GPI-anchored alkaline phosphatases are involved in the intoxication of Cry1Ca toxin to Spodoptera exigua larvae.

Glycosylphosphatidylinositol (GPI)-anchored alkaline phosphatase (ALP) isoforms are crucial for the intoxication of crystal proteins (Cry) to several insect species. We cloned five SeALPs from the larval midgut of Spodoptera exigua, a major pest of many crops. All five SeALPs contain a signal peptide at the N-terminus, a phosphatase domain, and a GPI-anchor site at the C-terminus.

Spleen contributes to restraint stress induced changes in blood leukocytes distribution.

Psychological stress has great impacts on the immune system, particularly the leukocytes distribution. Although the impacts of acute stress on blood leukocytes distribution are well studied, however, it remains unclear how chronic stress affects leukocytes distribution in peripheral circulation. Furthermore, there is no report about the role of spleen in the blood leukocytes distribution induced by stress.

Dynamic changes of bacterial community in activated sludge with pressurized aeration in a sequencing batch reactor.

This study aimed to investigate the organic removal efficiency and microbial population dynamics in activated sludge with pressurized aeration. The activated sludge was fed with synthetic wastewater composed of simple carbon source to avoid the effect of complex components on microbial communities. The pressurized acclimation process was conducted in a bench-scale sequencing batch reactor (SBR) under 0.

Efficient expression of recombinant human heavy chain ferritin (FTH1) with modified peptides.

Human heavy chain ferritin (FTH1) can self-assemble into a diameter of 12-nm spherical cage with an interior cavity of 8 nm in diameter. FTH1 has great potential as a nanocage in molecular imaging and drug delivery. Different peptides have been fused with FTH1 for targeting delivery; however, the expression of FTH1 modified with peptides in soluble form is not equivalent to natural FTH1.

The Spodoptera exigua (Lepidoptera: Noctuidae) ABCC2 Mediates Cry1Ac Cytotoxicity and, in Conjunction with Cadherin, Contributes to Enhance Cry1Ca Toxicity in Sf9 Cells.

In insects, the mode of Cry1A toxins action has been studied in detail and many receptors that participate in the process are known. Recent evidence has revealed that an ABC transporter (ABCC2) is involved in conferring resistance to Cry1A toxins and that ABCC2 could be a receptor of Cry1A. However, it is not known whether Cry1Ca interacts with the same receptor proteins as Cry1A.

[Reductive Dechlorination of Trichloroethylene by Benzoate-Enriched Anaerobic Cultures].

Gas chromatography was used to monitor the reductive dechlorination of trichloroethylene (TCE) by anaerobic enrichment cultures with benzoate as the sole carbon source. The 454 pyrosequencing technique was used to investigate the microbial community and the real-time quantitative PCR was used to quantify the gene copies of Dehalococcoides spp. (DHC).

[Analysis of Prokaryotic Community Structure in River Waters of the Ningbo Sanjiang Mouth].

The prokaryotic community structure in river waters of the Ningbo Sanjiang Mouth was analyzed for the first time using 16S rRNA gene based-Illumina Miseq high-throughput sequencing. A total of 215 504 high-quality sequences were obtained, and the results of alpha-diversity analysis revealed that Yongjiang River Watershed (YRW) harbored high diversity and richness of prokaryotic communities. Taxonomic assignment analysis indicated that β-Proteobacterium, Actinobacteria and Bacteroidetes dominated in the river water of YRW, and accounted for 78.

Molecular imprint of enzyme active site by camel nanobodies: rapid and efficient approach to produce abzymes with alliinase activity.

Screening of inhibitory Ab1 antibodies is a critical step for producing catalytic antibodies in the anti-idiotypic approach. However, the incompatible surface of the active site of the enzyme and the antigen-binding site of heterotetrameric conventional antibodies become the limiting step. Because camelid-derived nanobodies possess the potential to preferentially bind to the active site of enzymes due to their small size and long CDR3, we have developed a novel approach to produce antibodies with alliinase activities by exploiting the molecular mimicry of camel nanobodies.

[Preparation and property study of the recombinant Camel anti-SpaA-N single domain antibodies].

Aim: In order to obtain single domain antibody against surface protective antigen A (SpaA)of Erysipelothrix rhusiopathiae.

Methods: The SpaA-N recombinant protein was used to screen binders from Bactrian camel VHH phage display library. After sequencing, the interested VHH gene fragments were subcloned into pET-30a vector to overexpress the protein in E.

[The cluster and drug-resistant characteristics of Beijing genotype Mycobacterium tuberculosis in eastern rural China].

Objective: To investigate the distribution of Mycobacterium tuberculosis (MTB) Beijing genotype, which was isolated from tuberculosis (TB) patients registered in local TB dispensaries in Deqing and Guanyun county respectively within 1 year, as well as its drug-resistant phenotypic and genotypic profiles and genotyping features.

Methods: A total of 399 TB patients were enrolled from 2 counties. Of the 351 TB patients with MTB isolates available, 237 were male, and 114 were female; aged from 18 - 82 (46 ± 35) years.

[Molecular-epidemiological study on the transmission of drug resistant tuberculosis and its influencing factors in rural areas of eastern China].

Objective: To investigate the contribution of recent transmission in the epidemic of drug-resistant Mycobacterium tuberculosis (M.TB) and related factors from biomedical and social-demographic perspectives in the Eastern rural areas of China.

Methods: Identified by proportion method of drug susceptibility test, 223 drug resistant M.

[The combined application of multiple genotyping methods in identifying genotypes of Mycobacterium tuberculosis strain circulating in rural China].

Objective: To evaluate the performance of MIRUs (mycobacterial interspersed repetitive units) genotyping alone, IS6110-RFLP (IS6110 restriction fragment length polymorphism) genotyping alone and their combination applied in the molecular epidemiological study of Mycobacterium tuberculosis (MTB) isolates circulating in rural China.

Methods: A cross-sectional study was designed to collect MTB isolates from the TB patients registered in local TB dispensaries of Deqing county and Guanyun county from 2004 to 2005. The proportion method was used to determine drug susceptibility of MTB isolates to the first line anti-TB drugs (isoniazid, rifampin, ethambutol and streptomycin).

[Enhancement of antibodies to protective domain of surface protective antigen A of Erysipelothrix rhusiopathiae by DNA immunization with plasmids expressing spaA-chimeras].

Aim: DNA vaccines expressing protective domain of surface protective antigen A(spaA)of Erysipelothrix rhusiopathiae have been relatively ineffective at generating high-titer, long-lasting, neutralizing antibodies in murine models.

Methods: This paper report using a DNA vaccine expressing a fusion of the spaA protein and various elements, such as a secretion leader sequence from the highly expressed human gene encoding alpha1-antitrypsin (AAT), a highly soluble and stably folded domain from the rat cartilage oligomerization matrix protein (COMP), and three copies of the complement component, C3d3, to enhance the titers of neutralizing spaA-specific antibody.

Results: Analysis of titers of the antibody raised in vaccinated mice at different time points indicated that immunizations with the DNA expressing pcDNA3-AAT-COMP-spaAN-3C3d((pcD-ACSC)) had higher titers than pcDNA3-spaA(N)(pcD-S) at weeks 4.

[A-cohort study on the standard short-course chemotherapy program for drug resistant tuberculosis in the rural counties in Eastern China].

Objective: To investigate the therapeutic efficacy of short course chemotherapy (SCC) on drug resistant tuberculosis (DR-TB) cases and related influencing socioeconomic factors. TB patients registered in local county TB dispensaries of two rural counties were followed up in Deqing and Guanyun of Eastern China, during 2004/2005.

Methods: Culture-positive patients (Deqing: 182, Guanyun: 217) were selected as subjects of this study.