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Articles 1 - 10 of 10
Full-Text Articles in Toxicology
Effect Of Fibre Blend Ratios On Yarn Properties, Innovative Research Publications Irp India, A. Ghosh, M. Raihan
Effect Of Fibre Blend Ratios On Yarn Properties, Innovative Research Publications Irp India, A. Ghosh, M. Raihan
Innovative Research Publications IRP India
Yarn properties can be altered through blending fibres. According to the requirement different properties can be achieved by different blending ratios. Among the different blends cotton and polyester, cotton and wool, wool and acrylic, cotton and nylon, jute and acrylic, cotton and rayon etc are common. Flax and polyester has been a popular blend now-adays and depicts excellent properties than their individual yarn properties. Different proportion of flax and polyester has been tested to observe the yarn properties and it is found that polyester was perfectly fits with low proportion of flax. Their blends with specific ratios exhibit excellent properties …
Erectogenic Effects Of Clerodendron Capitatum: Involvement Of Phosphodiesterase Type-5 Inhibition, Dr Syam Mohan
Erectogenic Effects Of Clerodendron Capitatum: Involvement Of Phosphodiesterase Type-5 Inhibition, Dr Syam Mohan
Syam Mohan
No abstract provided.
Clausena Excavata Burm. F. (Rutaceae): A Review Of Its Traditional Uses, Pharmacological And Phytochemical Properties., Dr Syam Mohan
Clausena Excavata Burm. F. (Rutaceae): A Review Of Its Traditional Uses, Pharmacological And Phytochemical Properties., Dr Syam Mohan
Syam Mohan
The present review describes the morphological, traditional, phytochemical and pharmacological aspects of Clausena excavata (Burm. f., Rutaceae). The plant grows wild in the tropical and subtropical parts of Asia and represents one of the richest sources of medicinal natural products. It is intensively used currently in traditional medicine for treatment of different illnesses. One part or a mixture of two or more parts of the plant in the form of powder or liquid doze is usually given to the patient. Phytochemically, many pure compounds from several secondary metabolite groups of C. excavata have been isolated from different parts of the …
Chloroform Fraction Of Centratherum Anthelminticum (L.) Seed Inhibits Tumor Necrosis Factor Alpha And Exhibits Pleotropic Bioactivities: Inhibitory Role In Human Tumor Cells, Dr Syam Mohan
Syam Mohan
We investigated the antioxidant potential, cytotoxic effect, and TNF-α inhibition activity with NF-κB activation response in a chloroformfraction of Centratherum anthelminticum seeds (CACF). The antioxidant property of CACF was evaluated with DPPH, ORAC, and FRAP assays, which demonstrated significant antioxidant activity. The cytotoxicity of CACF was tested using theMTT assay; CACF effective inhibitory concentrations (IC50) for A549, PC-3, MCF-7, and WRL-68 cells were 31.42 ± 5.4, 22.61 ± 1.7, 8.1±0.9, and 54.93±8.3 μg/mL, respectively. CACF effectively and dose-dependently inhibited TNF-α release, in vitro and in vivo. CACF inhibited TNF-α secretion in stimulated RAW264.7macrophage supernatants with an IC50 of 0.012 μg/mL, …
In Vitro Anti-Inflammatory, Cytotoxic And Antioxidant Activities Of Boesenbergin A, A Chalcone Isolated From Boesenbergia Rotunda (L.) (Fingerroot), Dr Syam Mohan
Syam Mohan
The current in vitro study was designed to investigate the anti-inflammatory, cytotoxic and antioxidant activities of boesenbergin A (BA), a chalcone derivative of known structure isolated from Boesenbergia rotunda. Human hepatocellular carcinoma (HepG2), colon adenocarcinoma (HT-29), non-small cell lung cancer (A549), prostate adenocarcinoma (PC3), and normal hepatic cells (WRL-68) were used to evaluate the cytotoxicity of BA using the MTT assay. The antioxidant activity of BA was assessed by the ORAC assay and compared to quercetin as a standard reference antioxidant. ORAC results are reported as the equivalent concentration of Trolox that produces the same level of antioxidant activity as …
Synthesis Of Chalcones With Anticancer Activities., Dr Syam Mohan
Synthesis Of Chalcones With Anticancer Activities., Dr Syam Mohan
Syam Mohan
Several chalcones were synthesized and their in vitro cytotoxicity against various human cell lines, including human breast adenocarcinoma cell line MCF-7, human lung adenocarcinoma cell line A549, human prostate cancer cell line PC3, human adenocarcinoma cell line HT-29 (colorectal cancer) and human normal liver cell line WRL-68 was evaluated. Most of the compounds being active cytotoxic agents, four of them with minimal IC50 values were chosen and studied in detail with MCF-7 cells. The compounds 1, 5, 23, and 25 were capable in eliciting apoptosis in MCF-7 cells as shown by multiparameter cytotoxicity assay and caspase-3/7, -8, and -9 activities …
Cucurbitacin L 2-O- Glucoside Demonstrates Apoptogenesis In Colon Adenocarcinoma Cells (Ht-29): Involvement Of Reactive Oxygen And Nitrogen Species Regulation, Dr Syam Mohan
Syam Mohan
Emerging evidence suggests that reactive oxygen (ROS) and nitrogen (RNS) species can contribute to diverse signalling pathways of inflammatory and tumour cells. Cucurbitacins are a group of highly oxygenated triterpenes. Many plants used in folk medicine to treat cancer have been found to contain cucurbitacins displaying potentially important anti-inflammatory actions. The current study was designed to investigate the anti-ROS and -RNS effects of cucurbitacin L 2-O-β-glucoside (CLG) and the role of these signaling factors in the apoptogenic effects of CLG on human colon cancer cells (HT-29). This natural cucurbitacin was isolated purely from Citrullus lanatus var. citroides (Cucurbitaceae). The results …
Dentatin Induces Apoptosis In Prostate Cancer Cells Via Bcl-2, Bcl-Xl, Survivin Downregulation, Caspase-9, -3/7 Activation And Nf-Kb Inhibition., Dr Syam Mohan
Syam Mohan
This study was set to investigate antiproliferative potential of dentatin (a natural coumarin isolated from Clausena excavata Burm. F) against prostate cancer and to delineate the underlying mechanism of action. Treatment with dentatin dose-dependently inhibited cell growth of PC-3 and LNCaP prostate cancer cell lines, whereas it showed less cytotoxic effects on normal prostate epithelial cell line (RWPE-1). The inhibitory effect of dentatin on prostate cancer cell growth was due to induction of apoptosis as evidenced by Annexin V staining and cell shrinkage. We found that dentatin-mediated accumulation of reactive oxygen species (ROS) and downregulated expression levels of antiapoptotic molecules …
Acute Toxicity Of Mercury And Chromium To Clarias Batrachus (Linn), Azhaguraj Ramakrishnan
Acute Toxicity Of Mercury And Chromium To Clarias Batrachus (Linn), Azhaguraj Ramakrishnan
Azhaguraj Ramakrishnan
Pollution of the aquatic ecosystems by heavy metals is a worldwide problem. In the present study, Clarias batrachus was exposed to Mercury and Chromium for 24, 48, 72 and 96 hrs. The median lethal concentration (LC50) of mercury to C. batrachus for 24, 48, 72 and 96 h of exposure were 1.4 ppm, 1.2 ppm, 1.0 ppm and 0.8 ppm respectively. The median lethal concentration (LC50) of chromium to C. batrachus for 24, 48, 72 and 96 h of exposure were 120 ppm, 115 ppm, 110 ppm and 102 ppm respectively. The acute toxicity levels were derived from LC50 concentrations …
Detection And Characterization Of A Distinct Bornavirus Lineage From Healthy Canada Geese (Branta Canadensis), John A. Baroch
Detection And Characterization Of A Distinct Bornavirus Lineage From Healthy Canada Geese (Branta Canadensis), John A. Baroch
John A Baroch
Avian bornaviruses (ABV), identified in 2008, infect captive parrots and macaws worldwide. The natural reservoirs of these viruses are unknown. Reverse transcription-PCR (RT-PCR) was used to screen oropha- ryngeal/cloacal swab and brain samples from wild Canada geese (Branta canadensis) for ABV. Approximately 2.9% of swab samples were positive for bornavirus sequences. Fifty-two percent of brain samples from 2 urban flocks also tested positive, and brain isolates were cultured in duck embryo fibroblasts. Phylogenetic analyses placed goose isolates in an independent cluster, and more notably, important regulatory sequences present in Borna disease virus but lacking in psittacine ABVs were present in …