56 research outputs found
Performance evaluation of a radar by computer
This thesis examines the radar range performance of Airport Surveillance Radar (ASR-9) in thermal noise, as well as in presence of clutter and jamming. Radar software available from Artech House was used for the performance evaluation. Comparison of detection range in the software is based on empirical calculation of detectability factor in contrast to Marcum-Swerling method which is based on standard radar detection theory. ASR-9 was chosen because it has no military significance and data on it is easily available.http://archive.org/details/performanceevalu00thonLieutenant, Royal Thai NavyApproved for public release; distribution is unlimited
Marine microalgae commercial production improves sustainability of global fisheries and aquaculture
publishedVersio
Autophagy-Associated Shrinkage of the Hepatopancreas in Fasting Male Macrobrachium rosenbergii Is Rescued by Neuropeptide F
Invertebrate neuropeptide F-I (NPF-I), much alike its mammalian homolog neuropeptide Y, influences several physiological processes, including circadian rhythms, cortical excitability, stress response, and food intake behavior. Given the role of autophagy in the metabolic stress response, we investigated the effect of NPF-1 on autophagy during fasting and feeding conditions in the hepatopancreas and muscle tissues of the male giant freshwater prawn Macrobrachium rosenbergii. Starvation up-regulated the expression of the autophagy marker LC3 in both tissues. Yet, based on the relative levels of the autophagosome-associated LC3-II isoform and of its precursor LC3-I, the hepatopancreas was more responsive than the muscle to starvation-induced autophagy. Injection of NPF-I inhibited the autophagosome formation in the hepatopancreas of fasting prawns. Relative to the body weight, the muscle weight was not affected, while that of the hepatopancreas decreased upon starvation and NPF-1 treatment could largely prevent such weight loss. Thus, the hepatopancreas is the reserve organ for the nutrient homeostasis during starvation and NPF-I plays a crucial role in the balancing of energy expenditure and energy intake during starvation by modulating autophagy
āļāļēāļĢāđāļāđāļĒāļēāļĨāļēāļĄāļīāļ§āļđāļāļĩāļāđāļĢāļīāđāļĄāļāđāļāđāļāļāļēāļĢāļĢāļąāļāļĐāļēāđāļĢāļāđāļ§āļĢāļąāļŠāļāļąāļāļāļąāļāđāļŠāļāđāļĢāļ·āđāļāļĢāļąāļāļāļāļīāļāļāļĩ: āļāļēāļĢāļĻāļķāļāļĐāļēāļāļāļāļ§āļāļāļĢāļ°āļ§āļąāļāļīāļāļđāđāļāđāļ§āļĒāļĒāđāļāļāļŦāļĨāļąāļ Lamivudine as Initial Treatment for Chronic Hepatitis B Virus in a University Teaching Hospital: a Retrospective Patient Record Review Study
āļ§āļąāļāļāļļāļāļĢāļ°āļŠāļāļāđ: āđāļāļ·āđāļāļāļĢāļ°āđāļĄāļīāļāļāļĨāļĨāļąāļāļāđāļāļēāļāļāļĨāļīāļāļīāļ āđāļŦāļāļļāļāļēāļĢāļāđāđāļĄāđāļāļķāļāļāļĢāļ°āļŠāļāļāđāđāļĨāļ°āļĻāļķāļāļĐāļēāļĢāļđāļāđāļāļāļāļēāļĢāđāļāļīāđāļĄāļŦāļĢāļ·āļāđāļāļĨāļĩāđāļĒāļāļĒāļēāļ āļēāļĒāļŦāļĨāļąāļāļāļēāļĢāđāļāđāļĒāļēāļĨāļēāļĄāļīāļ§āļđāļāļĩāļāđāļāđāļāļāļąāļ§āđāļĢāļāđāļāļāļēāļĢāļĢāļąāļāļĐāļēāđāļĢāļāđāļ§āļĢāļąāļŠāļāļąāļāļāļąāļāđāļŠāļāđāļĢāļ·āđāļāļĢāļąāļāļāļāļīāļāļāļĩ āļ§āļīāļāļĩāļāļēāļĢāļĻāļķāļāļĐāļē: āđāļāđāļāļāļēāļĢāļĻāļķāļāļĐāļēāđāļāļīāļāļāļĢāļĢāļāļāļēāđāļāļāđāļāđāļāļāđāļāļĄāļđāļĨāļĒāđāļāļāļŦāļĨāļąāļāđāļāļāļđāđāļāđāļ§āļĒāđāļĢāļāđāļ§āļĢāļąāļŠāļāļąāļāļāļąāļāđāļŠāļāđāļĢāļ·āđāļāļĢāļąāļāļāļāļīāļāļāļĩāļāļĩāđāđāļĢāļīāđāļĄāļāđāļāļāļēāļĢāļĢāļąāļāļĐāļēāļāđāļ§āļĒāļĒāļēāļĨāļēāļĄāļīāļ§āļđāļāļĩāļ āļāļāļēāļ 150 āļĄāļīāļĨāļĨāļīāļāļĢāļąāļĄ āļ āđāļĢāļāļāļĒāļēāļāļēāļĨāļĄāļŦāļēāļĢāļēāļāļāļāļĢāđāļāļĩāļĒāļāđāļŦāļĄāđ āļ.āđāļāļĩāļĒāļāđāļŦāļĄāđ āļāļēāļāļ§āļ 98 āļāļ āļāļĩāđāđāļāđāļēāļĢāļąāļāļāļēāļĢāļĢāļąāļāļĐāļēāđāļāļāđāļ§āļāļ§āļąāļāļāļĩāđ 1 āļĄāļāļĢāļēāļāļĄ āļ.āļĻ.2548 - 31 āļāļąāļāļ§āļēāļāļĄ āļ.āļĻ. 2552 āļāļĨāļāļēāļĢāļĻāļķāļāļĐāļē: āļāļđāđāļāđāļ§āļĒāļāļēāļāļ§āļ 98 āļāļ āđāļāđāļāđāļāđāļāļāļđāđāļāđāļ§āļĒāļāļĨāļļāđāļĄ HBeAg positive 55 āļāļ (āļĢāđāļāļĒāļĨāļ° 56.1) āđāļĨāļ° HBeAg negative 43 āļāļ (āļĢāđāļāļĒāļĨāļ° 43.9) āđāļāļĒāļāļđāđāļāđāļ§āļĒāļāļĨāļļāđāļĄ HBeAg positive āļāļāļāļēāļĢāđāļāļīāļ seroconversion āļĢāđāļāļĒāļĨāļ° 16.4 āđāļĨāļ°āļĄāļĩāļĢāļ°āļāļąāļ HBV DNA āļāđāļēāļāļāļāļĢāļ§āļāđāļĄāđāļāļāļāđāļēāļāļ§āđāļēāļāļĨāļļāđāļĄ HBeAg negative (āļĢāđāļāļĒāļĨāļ° 18.2 āđāļĨāļ° āļĢāđāļāļĒāļĨāļ° 53.5) āđāļāđāļāļāļ§āđāļēāļĄāļĩāļĢāļ°āļāļąāļāļāļāļ alanine aminotransferase (ALT) āļāļĨāļąāļāļŠāļđāđāļāđāļēāļāļāļāļīāļŠāļđāļāļāļ§āđāļē (āļĢāđāļāļĒāļĨāļ° 76.4 āđāļĨāļ°āļĢāđāļāļĒāļĨāļ° 69.8) āļāļāļāļēāļĢāđāļāļīāļ virological breakthrough āđāļāļāļĨāļļāđāļĄ HBeAg positive āļĄāļēāļāļāļ§āđāļē HBeAg negative (āļĢāđāļāļĒāļĨāļ° 23.6 āđāļĨāļ° 18.6 ) āđāļĄāđāļāļāļāļēāļĢāļāļąāļāļāļķāļāđāļŦāļāļļāļāļēāļĢāļāđāđāļĄāđāļāļķāļāļāļĢāļ°āļŠāļāļāđāļāļĩāđāļāļāļāđāļāļĒāļĢāļ°āļŦāļ§āđāļēāļāļāļēāļĢāļĢāļąāļāļĐāļēāđāļāđāļāļāđāļŦāļāļļāļāļēāļĢāļāđāđāļĄāđāļāļķāļāļāļĢāļ°āļŠāļāļāđāļāļĩāđāļāļāļāđāļāļĒāđāļāđāļĄāļĩāļāļ§āļēāļĄāļĢāļļāļāđāļĢāļ āļāļ·āļ āļāļēāļĢāđāļāļīāļ hepatitis flares āļāļēāļāļ§āļ 6 āļĢāļēāļĒ (āļĢāđāļāļĒāļĨāļ° 6.1) āđāļĨāļ°āđāļāļīāļ substantial biochemical change āļāļēāļāļ§āļ 5 āļĢāļēāļĒ (āļĢāđāļāļĒāļĨāļ° 5.1) āđāļĄāđāļāļāļāļēāļĢāļŦāļĒāļļāļāļĒāļēāļŦāļĢāļ·āļāđāļāļĨāļĩāđāļĒāļāļāļēāļĢāļĢāļąāļāļĐāļēāļāļēāļāļāļēāļĢāđāļāļīāļāđāļŦāļāļļāļāļēāļĢāļāđāđāļĄāđāļāļķāļāļāļĢāļ°āļŠāļāļāđāļāļĩāđāļĢāļļāļāđāļĢāļ āđāļāļāļēāļĢāļĻāļķāļāļĐāļēāļāļĩāđāļāļāļāļēāļĢāđāļāļīāđāļĄāļĒāļēāđāļĨāļ°āđāļāļĨāļĩāđāļĒāļāļĒāļēāđāļāļāļđāđāļāđāļ§āļĒāļāļąāđāļāļŦāļĄāļāļĢāđāļāļĒāļĨāļ° 58.2 āđāļĨāļ°āļĢāđāļāļĒāļĨāļ° 1.0 āļāļēāļĄāļĨāļēāļāļąāļ āđāļāļĒāļŠāđāļ§āļāđāļŦāļāđāđāļāđāļāļāļđāđāļāđāļ§āļĒāđāļāļāļĨāļļāđāļĄ HBeAg positive āđāļĨāļ°āļāļāļŠāļąāļāļŠāđāļ§āļāļāļēāļĢāđāļāļīāđāļĄāļĒāļēāļāļĩāđāļāđāļāđāļ§āļĩāļĒāļĢāđāļĄāļēāļāļāļ§āđāļēāļāļ°āļāļĩāđāļāđāļ§āļĩāļĒāļĢāđāļāļķāđāļāđāļāđāļāđāļāļāļēāļĄāļāđāļāļāļēāļŦāļāļāļāļēāļĢāđāļāđāļĒāļēāļāļĩāđāļāđāļāđāļ§āļĩāļĒāļĢāđāļāļĩāđāļĢāļ°āļāļļāđāļ§āđāđāļāļāļąāļāļāļĩāļĒāļēāļŦāļĨāļąāļāđāļŦāđāļāļāļēāļāļī āļŠāļĢāļļāļ: āļāļēāļĢāđāļāđāļĒāļēāļĨāļēāļĄāļīāļ§āļđāļāļĩāļāđāļāļāļāļēāļ 150 āļĄāļīāļĨāļĨāļīāļāļĢāļąāļĄāđāļāļ·āđāļāđāļĢāļīāđāļĄāļāđāļāļāļēāļĢāļĢāļąāļāļĐāļēāđāļĢāļāđāļ§āļĢāļąāļŠāļāļąāļāļāļąāļāđāļŠāļāđāļĢāļ·āđāļāļĢāļąāļāļāļāļīāļāļāļĩ āļŠāļēāļĄāļēāļĢāļāļĨāļāļĢāļ°āļāļąāļāļāļāļ HBV DNA āļāđāļēāļāļāļāļĢāļ§āļāđāļĄāđāļāļ āđāļĨāļ° ALT āļāļĨāļąāļāļŠāļđāđāļāđāļēāļāļāļāļī āđāļĄāđāļ§āđāļēāļĄāļĩāļāļđāđāļāđāļ§āļĒāļāļēāļāļ§āļāļāđāļāļĒāđāļāļīāļ HBe seroconversion āđāļĨāļ°āļāđāļāļāļĄāļĩāļāļēāļĢāđāļāļīāđāļĄāļĒāļēāļĢāđāļāļĒāļĨāļ° 58.2 āļāļĨāļāļēāļĢāļĻāļķāļāļĐāļēāļŠāļ°āļāđāļāļāļāļēāļĢāđāļāđāļĒāļēāļāļēāļĢāļāļđāđāļĨāļāļāđāļāđāļāļģāļŠāļģāļāļąāļ: āđāļ§āļĢāļąāļŠāļāļąāļāļāļąāļāđāļŠāļāđāļĢāļ·āđāļāļĢāļąāļāļāļāļīāļāļāļĩ, āļĨāļēāļĄāļīāļ§āļđāļāļĩāļ, āļāļĨāļĨāļąāļāļāđāļāļēāļāļāļĨāļīāļāļīāļObjective: To evaluate clinical outcomes, adverse events and patterns of antiviral therapy from adding or changing medications during initial treatment with lamivudine for chronic hepatitis B (CHB) virus. Method: This retrospective descriptive study involved 98 patients with chronic hepatitis B who were treated with 150 mg lamivudine tablets at Maharaj Nakorn Chiang Mai Hospital from January 1st, 2005 to December 31st, 2009. Results: The 98 patients were divided into groups as 55 (56.1%) patients with HBeAg positive before the treatment, and 43 (43.9%) HBeAg negative. Patients with HBeAg positive had HBe seroconversion at 16.4% with HBV DNA below detection level and lower than HBeAg negative patients (18.2% and 53.5%); however, alanine aminotransferase (ALT) normalization was higher (76.4% and 69.8%). Virological breakthrough in HBeAg positive patients was higher than HBeAg negative patients (23.6% and 18.6%). Most common adverse events were not recorded during treatment but serious adverse events, hepatitis flares and substantial biochemical change were found in six (6.1%) and five patients (5.1%), respectively. No patients discontinued or changed their treatment as a result of serious adverse events. Adding and changing medication was carried out in 58.2% and 1.0% of patients respectively, who were mostly HBeAg positive. Patients added with tenofovir during lamivudine treatment were higher than those adding adefovir, which followed the terms of tenofovir as recorded in the National List of Essential Medicines. Conclusion: Our findings showed that use of lamivudine 150 mg as initial treatment for chronic hepatics B virus could achieve undetectable levels and ALT normalization, although a small number of patients had HBe seroconversion and 58.2% added other antivirals. The results reflects real-life practice.Keywords: chronic hepatitis B, lamivudine, clinical outcome
Autophagy-Associated Shrinkage of the Hepatopancreas in Fasting Male Macrobrachium rosenbergii Is Rescued by Neuropeptide F
Invertebrate neuropeptide F-I (NPF-I), much alike its mammalian homolog neuropeptide
Y, influences several physiological processes, including circadian rhythms, cortical
excitability, stress response, and food intake behavior. Given the role of autophagy
in the metabolic stress response, we investigated the effect of NPF-1 on autophagy
during fasting and feeding conditions in the hepatopancreas and muscle tissues of
the male giant freshwater prawn Macrobrachium rosenbergii. Starvation up-regulated
the expression of the autophagy marker LC3 in both tissues. Yet, based on the
relative levels of the autophagosome-associated LC3-II isoform and of its precursor
LC3-I, the hepatopancreas was more responsive than the muscle to starvationinduced
autophagy. Injection of NPF-I inhibited the autophagosome formation in the
hepatopancreas of fasting prawns. Relative to the body weight, the muscle weight
was not affected, while that of the hepatopancreas decreased upon starvation and
NPF-1 treatment could largely prevent such weight loss. Thus, the hepatopancreas
is the reserve organ for the nutrient homeostasis during starvation and NPF-I plays a
crucial role in the balancing of energy expenditure and energy intake during starvation
by modulating autophagy
Transcriptional Profile of the Arabidopsis Root Quiescent Center
The self-renewal characteristics of stem cells render them vital engines of development. To better understand the molecular mechanisms that determine the properties of stem cells, transcript profiling was conducted on quiescent center (QC) cells from the Arabidopsis thaliana root meristem. The AGAMOUS-LIKE 42 (AGL42) gene, which encodes a MADS box transcription factor whose expression is enriched in the QC, was used to mark these cells. RNA was isolated from sorted cells, labeled, and hybridized to Affymetrix microarrays. Comparisons with digital in situ expression profiles of surrounding tissues identified a set of genes enriched in the QC. Promoter regions from a subset of transcription factors identified as enriched in the QC conferred expression in the QC. These studies demonstrated that it is possible to successfully isolate and profile a rare cell type in the plant. Mutations in all enriched transcription factor genes including AGL42 exhibited no detectable root phenotype, raising the possibility of a high degree of functional redundancy in the QC
Starvation promotes autophagy-associated maturation of the testis in the giant freshwater prawn, macrobrachium rosenbergii
Autophagy is a degradative process of cellular components accomplished through an autophagosomal-lysosomal pathway. It is an evolutionary conserved mechanism present in all eukaryotic cells, and it plays a fundamental role in maintaining tissue homeostasis both in vertebrates and invertebrates. Autophagy accompanies tissue remodeling during organ differentiation. Several autophagy-related genes and proteins show significant upregulations following nutrient shortage (i.e., starvation). In our previous study, we found that in female giant freshwater prawns subjected to a short period of starvation autophagy was up-regulated in consonant with ovarian maturation and oocyte differentiation. Whether and how starvation-induced autophagy impacts on testicular maturation and spermatogenesis of the male prawns remained to be investigated. In this study, we analyzed the effects of starvation on histological and cellular changes in the testis of the giant freshwater prawn Macrobrachium rosenbergii that paralleled the induction of autophagy. Under short starvation condition, the male prawns showed increased gonado-somatic index, increased size, and late stage of maturation of seminiferous tubules, which contained increased number of spermatozoa. Concurrently, the number of autophagy vacuoles and autophagy flux, as monitored by transmission electron microscopy and the autophagic marker LC3, increased in the testicular cells, indicating that a short period of starvation could induce testicular maturation and spermatogenesis in male M. rosenbergii along with modulation of autophagy
Marine microalgae commercial production improves sustainability of global fisheries and aquaculture
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