Effect of environmental factors on the synergistic denitrification of Alcaligenes faecalis and ammonia oxidising bacteria: a preliminary study

2020 ◽  
Vol 192 ◽  
pp. 118-126
Author(s):  
Linke Zheng ◽  
Ying Xu ◽  
Yu Hua ◽  
Xiaohu Dai
Keyword(s):  
Environmental Factors ◽  
Alcaligenes Faecalis ◽  
Preliminary Study ◽  
Ammonia Oxidising Bacteria

scholarly journals To What Extent is the Lack of Education Awareness among Kensiu Indigenous Children in Baling, Kedah? A Preliminary Study

2021 ◽  
Vol 6 (1) ◽  
pp. 226-233
Author(s):  
Muhammad Wafi Ramli ◽  
Sharifah Rohayah Sheikh Dawood
Keyword(s):  
Environmental Factors ◽  
Holistic Education ◽  
Mean Value ◽  
Education Development ◽  
Mean Values ◽  
Level Of Education ◽  
Left Behind ◽  
Indigenous Children ◽  
Preliminary Study ◽  
Descriptive Statistical Analysis

The indigenous people, particularly the children, are perpetually challenged with education issues that have been going on for too long. Indigenous children have the capacity to bring changes and progress in their communities. To achieve that, they should be nurtured early on the awareness and importance of education. This paper aims to identify the level of education awareness among indigenous children through behavioural, personal, and environmental factors. A total of 30 respondents consisting of Kensiu indigenous children aged 7 to 12 have participated in the survey conducted in Kampung Lubuk Legong located in Baling district. Descriptive statistical analysis is applied to obtain frequency, percentage, and mean values. Overall, the finding indicates that the level of education awareness among the respondents is moderate, where the behavioural, personal, and environmental factors recorded a mean value of (μ=2.41), (μ=2.96), and (μ=2.24) respectively. This study aspires to urge holistic education development strategies in order to raise the level of education awareness among indigenous children so that they will not be left behind.

scholarly journals Untargeted Metabolomic Profiling of the Correlation Between Prognosis Differences and PD-1 Expression in Sepsis: A Preliminary Study

2021 ◽  
Vol 12 ◽  
Author(s):  
Y. Bu ◽  
H. Wang ◽  
X. Ma ◽  
C. Han ◽  
X. Jia ◽  
...  
Keyword(s):  
T Cells ◽  
Environmental Factors ◽  
Cd4 T Cells ◽  
Inflammatory Factors ◽  
Hydroxybutyric Acid ◽  
Metabolomic Profiling ◽  
Correlation Analysis Method ◽  
The Common ◽  
Preliminary Study ◽  
Negative Ionization

Objectives: The mortality rate of sepsis remains very high. Metabolomic techniques are playing increasingly important roles in diagnosis and treatment in critical care medicine. The purpose of our research was to use untargeted metabolomics to identify and analyze the common differential metabolites among patients with sepsis with differences in their 7-day prognosis and blood PD-1 expression and analyze their correlations with environmental factors.Methods: Plasma samples from 18 patients with sepsis were analyzed by untargeted LC-MS metabolomics. Based on the 7-day prognoses of the sepsis patients or their levels of PD-1 expression on the surface of CD4+ T cells in the blood, we divided the patients into two groups. We used a combination of multidimensional and monodimensional methods for statistical analysis. At the same time, the Spearman correlation analysis method was used to analyze the correlation between the differential metabolites and inflammatory factors.Results: In the positive and negative ionization modes, 16 and 8 differential metabolites were obtained between the 7-day death and survival groups, respectively; 5 and 8 differential metabolites were obtained between the high PD-1 and low PD-1 groups, respectively. We identified three common differential metabolites from the two groups, namely, PC (P-18:0/14:0), 2-ethyl-2-hydroxybutyric acid and glyceraldehyde. Then, we analyzed the correlations between environmental factors and the common differences in metabolites. Among the identified metabolites, 2-ethyl-2-hydroxybutyric acid was positively correlated with the levels of IL-2 and lactic acid (Lac) (P < 0.01 and P < 0.05, respectively).Conclusions: These three metabolites were identified as common differential metabolites between the 7-day prognosis groups and the PD-1 expression level groups of sepsis patients. They may be involved in regulating the expression of PD-1 on the surface of CD4+ T cells through the action of related environmental factors such as IL-2 or Lac, which in turn affects the 7-day prognosis of sepsis patients.

scholarly journals Preliminary study on phloemogenesis in Norway spruce: influence of age and selected environmental factors

2011 ◽  
Vol 57 (No. 5) ◽  
pp. 226-232 ◽  
Author(s):  
G. Vichrová ◽  
H. Vavrčík ◽  
V. Gryc ◽  
L. Menšík
Keyword(s):  
Soil Moisture ◽  
Czech Republic ◽  
Environmental Factors ◽  
Picea Abies ◽  
Norway Spruce ◽  
Cross Sections ◽  
Growing Season ◽  
Axial Parenchyma ◽  
Preliminary Study ◽  
Old Trees

The process of phloem formation in Norway spruce (Picea abies [L.] Karst.) was analysed during the growing season 2009 in Rájec-Němčice locality (Czech Republic). The research series consisted of research plots with 34 and 105 years old spruce monocultures. The formation of phloem cells was determined by the examination of small increment cores taken once a week. Cross-sections of tissues were studied under a light microscope. Cambium activation was observed on 9 April both in young and old trees. On the same date the first newly formed cells of early phloem were observed in old trees but in young trees one week later. Although the time of early phloem formation was 14 days longer in old trees, there were no large differences in the numbers of formed cells. The beginning of the longitudinal axial parenchyma formation was determined in young trees on May 14. In old trees this activity was seen a week later. The influence of air temperature and soil moisture was also analysed in relation to phloemogenesis.

Familial versus environmental factors in Balkan endemic nephropathy in Mehedinti county, Romania, by means of albuminuria and tubular biomarkers: preliminary study

Renal Failure ◽  
2014 ◽  
Vol 37 (2) ◽  
pp. 219-224 ◽  
Author(s):  
Gheorghe Gluhovschi ◽  
Mirela Modilca ◽  
Silvia Velciov ◽  
Cristina Gluhovschi ◽  
Ligia Petrica ◽  
...  
Keyword(s):  
Environmental Factors ◽  
Balkan Endemic Nephropathy ◽  
Endemic Nephropathy ◽  
Preliminary Study

scholarly journals The Impact of Indoor Environmental Factors on Skin Hydration of Children with Atopic Dermatitis: Preliminary Study

2020 ◽  
Vol 26 (2) ◽  
pp. 62-66
Author(s):  
So-Young Jang ◽  
Taek Ki Min ◽  
Sujung Park ◽  
Jungeun Lee ◽  
Sangwun Lee ◽  
...  
Keyword(s):  
Atopic Dermatitis ◽  
Environmental Factors ◽  
Skin Hydration ◽  
Preliminary Study ◽  
The Impact

Reductionist thinking and animal models in neuropsychiatric research

2019 ◽  
Vol 42 ◽  
Author(s):  
Nicole M. Baran
Keyword(s):  
Animal Models ◽  
Mental Disorders ◽  
Environmental Factors ◽  
Neuropsychiatric Disorders ◽  
Model Organisms ◽  
Developmental Genetic ◽  
Term Study ◽  
Genetic And Environmental Factors ◽  
Mechanisms Of Plasticity

AbstractReductionist thinking in neuroscience is manifest in the widespread use of animal models of neuropsychiatric disorders. Broader investigations of diverse behaviors in non-model organisms and longer-term study of the mechanisms of plasticity will yield fundamental insights into the neurobiological, developmental, genetic, and environmental factors contributing to the “massively multifactorial system networks” which go awry in mental disorders.

The Ultrastructure of Metastatic Human Mammary Carcinoma After Prolonged Estrogen Therapy

1967 ◽  
Vol 25 ◽  
pp. 180-181
Author(s):  
John H.L. Watson ◽  
John L. Swedo ◽  
R.W. Talley
Keyword(s):  
Mammary Carcinoma ◽  
Osmium Tetroxide ◽  
Estrogen Therapy ◽  
Ultrastructural Level ◽  
Uranyl Acetate ◽  
Human Mammary Carcinoma ◽  
Surgical Biopsy ◽  
Lead Hydroxide ◽  
Preliminary Study ◽  
Hormonal Therapies

A preliminary study of human mammary carcinoma on the ultrastructural level is reported for a metastatic, subcutaneous nodule, obtained as a surgical biopsy. The patient's tumor had responded favorably to a series of hormonal therapies, including androgens, estrogens, progestins, and corticoids for recurring nodules over eight years. The pertinent nodule was removed from the region of the gluteal maximus, two weeks following stilbestrol therapy. It was about 1.5 cms in diameter, and was located within the dermis. Pieces from it were fixed immediately in cold fixatives: phosphate buffered osmium tetroxide, glutaraldehyde, and paraformaldehyde. Embedment in each case was in Vestopal W. Contrasting was done with combinations of uranyl acetate and lead hydroxide.

Fine structure of early degenerating myofibers in the tibialis anterior of young ‘MDX’ mouse

1988 ◽  
Vol 46 ◽  
pp. 322-323
Author(s):  
H.D. Geissinger ◽  
C.K. McDonald-Taylor
Keyword(s):  
Fine Structure ◽  
Muscle Regeneration ◽  
Tibialis Anterior ◽  
Genetic Defect ◽  
Mdx Mouse ◽  
Mdx Mice ◽  
Histopathological Changes ◽  
Electron Microscopic ◽  
Dystrophic Mouse ◽  
Preliminary Study

A new strain of mice, which had arisen by mutation from a dystrophic mouse colony was designated ‘mdx’, because the genetic defect, which manifests itself in brief periods of muscle destruction followed by episodes of muscle regeneration appears to be X-linked. Further studies of histopathological changes in muscle from ‘mdx’ mice at the light microscopic or electron microscopic levels have been published, but only one preliminary study has been on the tibialis anterior (TA) of ‘mdx’ mice less than four weeks old. Lesions in the ‘mdx’ mice vary between different muscles, and centronucleation of fibers in all muscles studied so far appears to be especially prominent in older mice. Lesions in young ‘mdx’ mice have not been studied extensively, and the results appear to be at variance with one another. The degenerative and regenerative aspects of the lesions in the TA of 23 to 26-day-old ‘mdx’ mice appear to vary quantitatively.

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