Weight Dose Research Articles

Resistance of Concrete with Crystalline Hydrophilic Additives to Freeze–Thaw Cycles

The study explores the hypothesis that crystalline hydrophilic additives (CA) can enhance concrete’s resistance to freeze/thaw cycles, crucial for assessing building durability. Employing EU standards, the research evaluates concrete resistance through standardized European freeze/thaw procedures. Monitoring concrete slabs exposed to freezing in the presence of deionized water and in the presence of 3% sodium chloride solution, the study measures surface damage and relative dynamic modulus of elasticity. Additionally, it assesses internal damage through monitoring of relative dynamic modulus of elasticity on cubes and prisms submerged in water and exposed to freezing/thawing. The pore spacing factor measured here aids in predicting concrete behavior in freeze/thaw conditions. Results suggest that the standard air-entraining agent offers effective protection against surface and internal damage due to freeze/thaw cycles. However, the CA displays potential in enhancing resistance to freeze/thaw cycles, primarily in reducing internal damage at a 1% cement weight dosage. Notably, a 3% replacement of cement with CA adversely affects concrete resistance, leading to increased surface and internal damage. The findings contribute to understanding materials that can bolster concrete durability against freeze–thaw cycles, crucial for ensuring the longevity of buildings and infrastructure.

Examining the Influence of Zinc Oxide Nanoparticles and Bulk Zinc Oxide on Rat Brain Functions: a Comprehensive Neurobehavioral, Antioxidant, Gene Expression, and Histopathological Investigation

The study aimed to assess the impact of zinc oxide nanoparticles (ZnONPs) on rats’ neurobehavior compared to bulk zinc oxide (BZnO). Thirty male Sprague-Dawley rats were randomly assigned to five groups. The control group received Tween 80 (10%), while the ZnONP groups were given ZnONPs at 5 and 10 mg/kg body weight dosages, and the bulk zinc oxide (BZnO) groups received BZnO at the same dosages. Behavioral observations, neurobehavioral examinations, and assessments of brain tissue oxidative markers, neurotransmitter levels, and histopathological changes were performed. The results indicated that ZnONP at a dosage of 5 mg/kg improved general behavior, locomotor activity, memory, and recognition and reduced fearfulness in rats. Conversely, the higher dosage of 10 mg/kg and the bulk form had adverse effects on general behavior, locomotor activity, and learning ability, with the bulk form demonstrating the most severe impact—znONP-5 treatment increased antioxidant enzyme levels and decreased inflammatory markers. BZnO-5 exhibited lower oxidative stress markers, although still higher than BZnO-10. Furthermore, ZnONP-5 and BZnO-5 increased neurotransmitter levels compared to higher dosages. ZnONP-5 upregulated the expression of brain-derived neurotrophic factor (BDNF) mRNA, while BZnO-5 showed increased BDNF mRNA expression and decreased expression of genes related to apoptosis and inflammation. In summary, ZnONPs at 5 mg/kg demonstrated positive effects on rat brain function and behavior, while higher dosages and the bulk form had detrimental effects. In conclusion, the studies emphasized the importance of further assessing various doses and forms of zinc oxide on brain health, highlighting the significance of dosage considerations when using nanomaterials.

INVESTIGATING THE TOXICITY OF BETALAIN COMPOUNDS: IN SILICO ANALYSIS AND IN VIVO PREDICTIONS FOR STANDARDIZED BETA VULGARIS L. EXTRACT

Objective: Extensive research has been conducted on beetroot's antioxidant, hematoprotective, and cardioprotective properties. However, there currently needs to be more available evidence pertaining to the toxicity assessment of the extract. The toxicity assessment was conducted using both in silico and in vivo methods. Prior to testing, the extracts were standardized in accordance with the guidelines set by the Indonesian Food Drug Authority (BPOM), which is the regulatory authority for food and drugs in Indonesia. Methods: The experimental subjects consisted of 25 male Wistar rats in good health, weighing between 150 and 170 grams. These rats were separated into five groups, each including five rats. Group 1 will serve as the control group, while groups 2 through 5 will be designated as the treatment groups. The analysis of chemical toxicity was conducted using pK-CSM, SwissADME, and Pro-Tox II methodologies. Results: The results indicated that the standardized ethanol extract contained 4.341% water, 3.67 % total ash, and 1.53 % acid-insoluble ash. Lead (Pb) and cadmium (Cd) were absent at a concentration of 0 parts per million (ppm). Subsequently, the total plate count and yeast mould count were 0.47 5 x 10-4 (CFU/g) and a of 0.382 x 10-4 (CFU/g) respectively. This finding implies that the extract meets BPOM requirement. This study also measured the betalain content of red beetroot, yielding a total concentration of 11.34 0.37 mg/100 gram of sample. Haematological experiments showed that beetroot extract affected rat blood haematology. Compared to the control group, rats given the extract had higher red blood cell and platelet counts. Additionally, the Insilico toxicity test conducted on the active component derived from beetroot revealed LD50 of the compounds ranged from 305 mg/kg so that were categorized into classes IV and presence of hepatotoxic potential. During the in vivo experiment, there has been a notable rise in hepatic and renal parameters. Furthermore, one mortality event occurred in the test subject at a 5,000 mg/kg body weight dosage. Conclusion: Single oral administration of the extract at a dose larger than 5,000 mg per kilogram of body weight does not result in lethal effects, however showed potential toxicity to the liver.

Toxicological Studies and Antibacterial Efficacy of Sorghum bicolor Fermented Liquor Extracts of Bambusa tuldoides cv. ventricosa Leaf against Salmonella typhi

Abstract Background: Bamboo leaf extracted with steep liquor from fermented cereal grains has been used as an ethnomedicine for the treatment of severe typhoid fever in Africa without the proper documentation of its efficacy and side effects. Aim: This study embarks on the evaluation of the toxicity and pharmacological safety profile of fermented Sorghum bicolor liquor extract of Bambusa tuldoides cv. ventricosa leaf as an ethnomedicine against Salmonella typhi infection. Settings and Design: Reconstituted concentrates of various fermented extracts were used for the minimum inhibitory concentration (MIC) assay. Acute toxicity assay comprised two phases. The bioassay constitutes a total of 25 albino mice randomly distributed into 5 test groups. Materials and Methods: Steep liquor from fermented S. bicolor seeds served as the extracting solvent for the leaf of B. tuldoides using Soxhlet apparatus. The determination of both the sensitivity test and MIC assay used different levels. Extracts were orally administered for acute toxicity and dosage determination studies. Extracts were administered at concentrations 25, 50, and 100 mg/mL per day for the bioassays. Application of one-way analysis of variance was used for the determination of the statistical significance of the variations at 0.05 and 0.01 levels. Results and Conclusions: The average zones of inhibition were between 15.00 ± 2.34 and 20.00 ± 4.64 mm, and MIC was 12.5 mg/mL for the growth of S. typhi. The extract administered was found to be safe up to 5000 mg/kg body weight dosage. The agglutination result showed a concentration-dependent effectiveness of fermented liquor extract against S. typhi. Therefore, the bamboo leaf extract is efficient for the treatment of S. typhi infection.

Experimental Study and Mathematical Modeling of Mechanical Properties of Basalt Fiber-Reinforced Recycled Concrete Containing a High Content of Construction Waste

Herein, we conducted an experimental test on basalt fiber-reinforced concrete with a high content of construction and demolition waste and then established some mathematical models based on Taylor’s formula. The concrete was prepared by using recycled clay brick powder in place of cement and recycled coarse aggregates as a substitution for natural coarse aggregates. The basalt fiber in weight dosages of 0, 0.1, 0.3, and 0.5% was used for reinforcement. The results showed that the compressive strength of concrete declined as the content of recycled aggregates increased, while the compressive strength first increased and then decreased as the basalt fiber dosage lifted. Regarding the splitting tensile strength, the reinforcement effect of basalt fiber in concrete with a high content of recycled aggregate is more significant when compared to its to its counterpart, which contains no or fewer recycled aggregates. The concrete with 0.5% basalt fiber dosage and 100% recycled aggregate content retains an equivalent compressive strength as to that of natural aggregate concrete and has about a 90% splitting tensile strength. In addition, the cubic function in comparison to the quadratic function has a higher fitting accuracy.

Impact of Sex and Genetic Variation in Relevant Pharmacogenes on the Pharmacokinetics and Safety of Valsartan, Olmesartan and Hydrochlorothiazide.

Drug combination therapy is the most common pharmacological strategy for hypertension management. No pharmacogenetic biomarkers for guiding hypertension pharmacotherapy are available to date. The study population were 64 volunteers from seven bioequivalence trials investigating formulations with valsartan, olmesartan and/or hydrochlorothiazide. Every volunteer was genotyped for 10 genetic variants in different transporters' genes. Additionally, valsartan-treated volunteers were genotyped for 29 genetic variants in genes encoding for different metabolizing enzymes. Variability in pharmacokinetic parameters such as maximum concentration (Cmax) and time to reach it (tmax), the incidence of adverse drug reactions (ADRs) and blood pressure measurements were analyzed as a function of pharmacogenetic and demographic parameters. Individuals with the ABCB1 rs1045642 T/T genotype were associated with a higher valsartan tmax compared to those with T/G and G/G genotypes (p < 0.001, β = 0.821, R2 = 0.459) and with a tendency toward a higher postural dizziness incidence (11.8% vs. 0%, p = 0.070). A higher hydrochlorothiazide dose/weight (DW)-corrected area under the curve (AUC∞/DW) was observed in SLC22A1 rs34059508 G/A volunteers compared to G/G volunteers (p = 0.050, β = 1047.35, R2 = 0.051), and a tendency toward a higher postural dizziness incidence (50% vs. 1.6%, p = 0.063). Sex impacted valsartan and hydrochlorothiazide pharmacokinetics, showing a lower exposure in women, whereas no significant differences were found for olmesartan pharmacokinetics.

Menthol Attenuates Cholinergic Dysfunction and Neurotransmitter Imbalance in Experimental Diabetes

One of the most predominant enduring consequences of Diabetes Mellitus (DM) is Diabetic Encephalopathy (DE), which has neither a reliable treatment nor an effective preventive strategy. Cognitive dysfunction is the primary problem allied with DE. The current inquiry aims to determine the potency of menthol in reducing the risk of brain complications induced by Streptozotocin (STZ) in diabetic rats. A single STZ intraperitoneal injection (40 mg/kg body weight) was employed to induce DM in Sprague-Dawley male rats and animals were held without treatment for 30 days to develop DE. The Morris water maze test, followed by the supplementation of menthol and metformin for 60 days at 50 and 100 mg/kg body weight dosages, verified the cognitive deficit in diabetic rats. After 60 days of therapy, rats were sacrificed to obtain blood and brain tissues for biochemical investigation. Oral delivery of menthol enhanced cognitive function in DE rats. Furthermore, menthol markedly reduced fasting blood sugar, glycosylated Hemoglobin (HbA1c), and elevated plasma insulin levels. In the brain, menthol increases neurotransmitter levels and choline acetyltransferase activity while decreasing AChE activity. Menthol also downregulated the expressions of monoamine oxidase A and B. Thus, the study indicates that menthol was effective in attenuating the neurodegenerative alterations in DE rats. It had a therapeutic potential and could be effectively utilized as a dietary supplement for regulating complications associated with encephalopathy.

240P Effect of dose intensity (DI) of palbociclib (PAB) and initial body weight dosage (BWD) on progression free survival (PFS): A real-world data analysis in patients with hormone-receptor (HR) positive HER2 negative metastatic breast cancer (MBC)

240P Effect of dose intensity (DI) of palbociclib (PAB) and initial body weight dosage (BWD) on progression free survival (PFS): A real-world data analysis in patients with hormone-receptor (HR) positive HER2 negative metastatic breast cancer (MBC)

Antidiabetic, Antioxidant and Anti-Inflammatory Activities of Residual Aqueous Fraction of Ethulia conyzoides in Induced Type 2 Diabetic Rats.

Oxidative stress and inflammation have been proven to be implicated in the pathogenesis of type 2 diabetes. Recent studies showed that Ethulia conyzoides had in-vitro antioxidant activity. This study investigated the in-vivo antidiabetic, antioxidant, and anti-inflammatory potential of the residual aqueous fraction of Ethulia conyzoides in type 2 diabetic-induced male Wistar rats. Sub-acute antidiabetic studies were done with varying doses (100, 200, and 400 mg/kg body weight) of residual aqueous fraction for 21 days. Blood glucose levels, serum insulin, and in vivo antioxidant and pro-inflammatory cytokines-tumour necrosis factor-α (TNF-α) and interleukin-1β (IL-1β) -were measured at the end of the treatment. When rats were given different concentrations of residual aqueous fraction, there was a significant (p < 0.05) reduction in blood glucose, malondialdehyde (MDA), IL-1β, and TNF-α levels, as well as a significant (p < 0.05) increase in SOD (superoxide dismutase), catalase and insulin levels when compared to the diabetic control group. Furthermore, the 400 mg/kg body weight dosage concentration was found to be the most effective. This result suggests that the residual aqueous fraction of Ethulia conyzoides possesses significant antidiabetic, antioxidant and anti-inflammatory activities.

Population pharmacokinetics of nalbuphine in patients undergoing general anesthesia surgery.

Purpose: The aim of this study was to build a population pharmacokinetics (PopPK) model of nalbuphine and to estimate the suitability of bodyweight or fixed dosage regimen. Method: Adult patients who were undergoing general anesthetic surgery using nalbuphine for induction of anesthesia were included. Plasma concentrations and covariates information were analyzed by non-linear mixed-effects modeling approach. Goodness-of-fit (GOF), non-parametric bootstrap, visual predictive check (VPC) and external evaluation were applied for the final PopPK model evaluation. Monte Carlo simulation was conducted to assess impact of covariates and dosage regimens on the plasma concentration to nalbuphine. Results: 47 patients aged 21-78years with a body weight of 48-86kg were included in the study. Among them, liver resection accounted for 14.8%, cholecystectomy for 12.8%, pancreatic resection for 36.2% and other surgeries for 36.2%. 353 samples from 27 patients were enrolled in model building group; 100 samples from 20 patients were enrolled in external validation group. The results of model evaluation showed that the pharmacokinetics of nalbuphine was adequately described by a two-compartment model. The hourly net fluid volume infused (HNF) was identified as a significant covariate about the intercompartmental clearance (Q) of nalbuphine with objective function value (OFV) decreasing by 9.643 (p < 0.005, df = 1). Simulation results demonstrated no need to adjust dosage based on HNF, and the biases of two dosage methods were less than 6%. The fixed dosage regimen had lower PK variability than the bodyweight regimen. Conclusion: A two-compartment PopPK model adequately described the concentration profile of nalbuphine intravenous injection for anesthesia induction. While HNF can affect the Q of nalbuphine, the magnitude of the effect was limited. Dosage adjustment based on HNF was not recommended. Furthermore, fixed dosage regimen might be better than body weight dosage regimen.

Therapeutic potential of Indian medicinal plants against Leishmania donovani: a review

A prevalent medical condition in the tropical and sub-tropical regions of the world, Leishmaniasis; due to the unavailability of effective drugs, caters the need for its eradication and therapeutic control. Modern-day pentavalent antimonials such as Sodium Stibogluconate, Miltefosine used for disease treatment are costly and have low efficacy, apart from triggering severe side effects after prolonged treatment. Plants offer active natural components that have miraculous medicinal properties such as antimicrobial, antimalarial, and even antileishmanial. In this review, research articles on Indian medicinal plants effective against visceral leishmaniasis causal organism, Leishmania donovani, from several renowned domains from 1900s to 20th century were thoroughly studied and the results discussed. Among the 16 plant families from over 50 articles, Piperaceae has been found to treasure plant species with potent leishmanicidal chemical constituents, followed by Meliaceae. The review highlights the plant derived biologically active extracts, essential oils, and isolated compounds effective against the parasite both in vitro and in vivo. While Plumbago zeylanica was found to be the most effective in vitro, momordicatin from Momordica charantia lead to 100% parasite clearance at 10 mg/kg body weight dosage in infected hamsters. The course of study revealed that apart from directly inhibiting parasite growth, plant extracts also led to phosphatidylserine externalization, DNA fragmentation, cell cycle arrest and a significant increase in ROS and pro- inflammatory cytokines expression as well. This article can be further utilized for the selection of naturally derived drugs for clinical trials and their successful use as effective anti-leishmanial medicines.

Protective Effect of Annona muricata Linn Fruit Pulp Lyophilized Powder against Paracetamol-Induced Redox Imbalance and Hepatotoxicity in Rats

In the current investigation, Annona muricata Linn. lyophilized fruit pulp powder was evaluated for its hepatoprotective activity induced by paracetamol or acetaminophen (APAP). Male Sprague Dawley rats were orally pre-treated for 15 days with A. muricata lyophilized fruit pulp powder at low (1 g/kg b.wt) and high doses (2 g/kg b.wt). Silymarin (100 mg/kg) was administered as the standard drug. Hepatotoxicity was induced using APAP, in a single oral administration of 2.5 g/kg body weight dosage on the 15th day. Aspartate transaminase (AST), alanine transaminase (ALT), and alkaline phosphatase (ALP) were elevated in the APAP group but were found to be significantly reduced in the pre-treated groups in a dose-dependent manner. APAP administration brought down the serum total protein and albumin levels significantly. The activities of superoxide dismutase (SOD), glutathione peroxidase (GPx), and catalase were reduced in the APAP administration; further, the reduced glutathione pool in the tissue was also diminished significantly. However, with the administration of Annona lyophilized fruit pulp powder, the level of antioxidant parameters was near normal. A significant increase in lipid peroxidation was observed in the APAP group, while the silymarin, AML, and AMH groups exhibited resistance to lipid peroxidation (LPO), as evident from lower levels of LPO generated. Histopathological examination also revealed considerable tissue damage in the APAP alone treatment group, which was not devastating in the silymarin, AML, and AMH groups. Altogether, the study concludes that the lyophilized fruit pulp of A. muricata is protective against APAP-induced liver injury in rats by modulating the hepatic redox systems.

Induced spawning of African catfish (Clarias gariepinus) using goat (Capra aegagrushircus) and pig (Sus scrofa domesticus) pituitary extracts

Concerns relating to cost and availability have directed traditional farmers to expand options on the induced spawning of fish for viable production of seeds. The study was conducted to examine the potential of using pituitary extracts (PE) from goat (Capra aegagrushircus) and pig (Sus scrofa domesticus) on the induced spawning of African catfish (Clarias gariepinus). Pituitary extract of African catfish using 4 mgkg–1 body weight dosage (control) and PE from goat and pig using 4 mgkg–1 and 200 mgkg–1 body weight dosages were single intramuscularly injected to female breeders. Utilisation of goat and pig PE has successfully induced the spawning of African catfish. All female breeders attained ovulation within 10-12 h which is under the prescribed latency period. Total number of eggs spawned ranged from 36200-67600. The three PE used attained comparable result in terms of relative fecundity. Fertilisation rate revealed that PE from goat at 4 mgkg–1 dosage attained similar result to that of control treatment. Hatching period occurred within 24–36 h and goat PE using both dosages gave the highest results in hatching rate. The current study provides preliminary information on the success of using PE from goat and pig for the induced spawning of African catfish.

Pharmacokinetics of hydroxychloroquine in Japanese systemic lupus erythematosus patients with renal impairment.

Reduction of the hydroxychloroquine (HCQ) dosage is recommended in systemic lupus erythematosus (SLE) patients with renal impairment, but a pharmacokinetics (PK) study of patients with renal impairment has not yet been performed. We investigated the PK of both single and multiple doses of HCQ and its metabolites in SLE patients with renal impairment who newly started HCQ at a daily dose of 300 mg based on an ideal body weight dosage of 6.5 mg/kg. Population PK analysis was performed using a non-linear mixed-effects model. In total, 219 samples from 21 patients were analysed. The PK of HCQ in blood after single and multiple oral administrations followed the two-compartment model. At steady state, the concentration ratio of HCQ to each metabolite was HCQ:desethylhydroxychloroquine:desethylchloroquine:bisdesethylchloroquine = 1:0.28:0.1:0.06. The HCQ concentration correlated positively with that of each metabolite. The estimated values (relative standard error) of the population PK parameters were the total clearance at 110 l/h (31%) and a central volume of distribution of 398 l (19%). Co-administration of prednisolone and age, but not renal impairment, were factors affecting the total clearance of HCQ. From the PK perspective, a dosage reduction is unnecessary in SLE patients with impaired renal function.

Effect of scleral protein shell amendment on bacterial community succession during the pig manure composting

The impact of scleral protein shell (SPS) amendment on bacterial community succession during pig manure (PM) composting were evaluated in the present work. Five treatments representing different dry weight dosage of SPS [0 % (T1), 2.5 % (T2), 5 % (T3), 7.5 % (T4), 10 % (T5) and 12 % (T6)] were applied with initial mixture of raw materials (Wheat straw along with the PM) and composted for 42 days. Results indicated that the dominant of phyla were Proteobacteria, Actinobacteria, Bacteroidetes and Firmicutes. The relative abundance (RA) of genus un-identified, Ruminofilibacter, Thermovum, Longispora and Pseudomonas were greater among the all treatments but interestingly genus Ruminofilibacter was also higher in control treatment. The network analysis was confirmed that T6 treatment with higher dosage of SPS amendment could enhance the bacterial population and rate of organic matter mineralization. Compared with T1, the T5 has greater potential impact to enhance the bacterial population and significant correlation among the pH and temperature.

Selected Toxicity Study on Ethanolic Extract of Ocimum gratissimum (Linn.) Leaves in Letrozole-Induced Polycystic Ovarian Syndrome in Wistar Rats

Polycystic Ovarian Syndrome (PCOS) is a metabolic endocrine disorder that is common in women of reproductive age. Several synthetic drugs such as metformin are treatment options of PCOS but the side effects associated with the use of metformin have continued to limit their acceptability; Thus, necessitate the investigation of the safety of Ocimum gratissimum leaves in vivo. The toxicity of ethanolic extract of Ocimum gratissimum leaf (EEOGL) at 50 and 100mg/kg body weight dosage on PCOS was investigated in female Wistar rats. Twenty female Wistar rats with an average weight of 170.81±5.25g were allocated into 5 groups (A-E) of four animals each: group A animals (control) received distilled water while the letrozole-induced (1mg/kg body weight (B.Wt)) rats- groups B, C, D, and We were administered distilled water, co-administration of 7.14mg/kg B.Wt of metformin and 2mg/kg B.Wt of clomiphene citrate, 50mg/kg and 100mg/kg of EEOGL for 21 days respectively. The liver and kidney function indices were determined after each rat was sacrificed and blood collected by jugular puncturing. The data collected were subjected to analysis of variance and Duncan multiple range test with statistical significance set at p&lt;0.05. The result reveals a significant increase (p&lt;0.05) and a significant decrease (p&lt;0.05) at doses of 50mg/kg and 100mg/kg of EEOGL on kidney function indices as well as liver function indices respectively. Therefore, the administration of EEOGL at 50 and 100 mg/kg B.W. to letrozole-induced PCOS rats shows mild alterations in the assayed toxicological indices.

D-limonene (5 (one-methyl-four-[1-methylethenyl]) cyclohexane) diminishes CCl4-induced cardiac toxicity by alleviating oxidative stress, inflammatory and cardiac markers

ABSTRACT Background: The cardiovascular crisis is advancing rapidly throughout the world. A large number of studies have shown that plant polyphenols affect major mechanisms involved in cardiovascular events through their action on the antioxidant system, signaling, and transcription pathways. D-limonene, a monocyclic monoterpene obtained from citrus fruits, is reported to possess many pharmacological activities. Methods: The experiment was designed to determine the protective effect of D-limonene against cardiac injury induced by CCl4 in Wistar rats. Rats were treated with two doses of D-limonene against cardiac injury induced by CCl4. Serum toxicity markers, cardiac toxicity biomarker enzymes, inflammatory mediators, anti-oxidant armory, lipid peroxidation, lipid profile, and histology were done. Results: CCl4 intoxication resulted in a substantial rise in FFA, TC, TG, PL, LDL, VLDL, and a reduction in HDL, restoring these changes with the administration of D-limonene at a dosage of 200 mg/kg. CCl4 administration also resulted in lipid oxidation and decreased antioxidant activity. At the same time, D-limonene at a dosage of 200 mg/kg body weight inhibited LPO and restored in vivo antioxidant components to normal. CCl 4 intoxication also resulted in a significant increase in inflammatory markers like IL-6, TNF-α, high sensitivity Corticotropin Releasing Factor (Hs-CRF), and biomarkers of cardiac toxicity like alanine aminotransferase (ALT), lactate dehydrogenase (LDH), creatine kinase (CK), creatine kinase MB (CKMB), and Troponin I & troponin-t activities. D-limonene reversed all these changes to normal. Histology further confirmed our obtained results. Conclusion: These findings indicate that D-limonene can ameliorate cardiac injury at a 200 mg/kg body weight dosage. Henceforth, D-Limonene intervenes in mediating CCl4 induced toxicity by various signaling pathways.

Hydroalcoholic Extract of Ashwagandha Improves Sleep by Modulating GABA/Histamine Receptors and EEG Slow-Wave Pattern in In Vitro - In Vivo Experimental Models.

Withania somnifera (ashwagandha) has been used traditionally as a remedy for insomnia and to enhance cognitive function. The effects of ashwagandha extract (AE, 35% withanolide glycosides, ShodenⓇ) on the expression levels of γ-aminobutyric acid (GABA)Aρ1 and histamine H3 receptors in Rattus norvegicus glioblastoma (C6) cell lines were studied using semiquantitative reverse transcriptase-polymerase chain reactions. The effects of AE on sleep onset and duration were studied in Swiss albino mice using the pentobarbital-induced sleep model. Furthermore, the effects on nonrapid eye movement (NREM) and rapid eye movement sleep patterns were studied in Wistar rats with electroencephalogram (EEG) to support the improvement in sleep quality. There was an increase in gene expression levels of GABAAρ1 receptor (1.38 and 1.94 folds) and histamine H3 (1.14 and 1.29 folds) receptors induced by AE at doses of 15 and 30 μg/mL compared to control. AE at doses of 10, 25, and 50 mg/kg body weight showed a significant decrease in time to sleep onset and increased total sleep duration in the pentobarbital-induced sleep model. At 50 mg/kg body weight dosage level, a 34% decrease (P<0.0001) in sleep onset time and 47% increase (P<0.0001) in sleep duration was observed. The EEG study showed significant improvement in alpha, beta, theta, delta, and gamma bands at doses of 10, 25, and 50 mg/kg body weight with delta waves showing increases of 30%, 46% (P<0.05), and 34%, respectively. The induction of sleep, GABA-mimetic action, NREM sleep, and the effects on slow-wave cycles support the calming property of AE in improving the quality of sleep.

Synthesis and characterization of zinc oxide nanoparticles: It’s application for the removal of alizarin red S dye

The zinc oxide nanoparticles were incorporated and applied for the removal of alizarin red S color from the hydrous solution. Scanning electron microscopy (SEM), X-ray diffraction (XRD), and Fourier transform infrared (FTIR) spectroscopy were utilized to investigate the synthesized ZnO NPs. The adsorption cycle was explored in batch mode at 303 K temperature, with changing the variables, for example, agitation time, weight dosage, pH, and dye concentration initially being differed. At the point when the agitation time was 35 min, the adsorbent measurements was 0.4 g/L, the pH was 4, and the dye concentration initially was 10 mg/L, the adsorption strategy for eliminating ARS not entirely set in stone to be generally proficient. A pseudo - first - order dynamic model and the Langmuir isotherm suit the exploratory information pleasantly. The greatest adsorption limit, as indicated by the test results, is 123.3 mg/g, which is near the determined qe of 127.6 mg/g.

Behavioral outcome of oral midazolam premedication in pediatric dental general anesthesia: A systematic review

Aim: This systematic review explores the postoperative behavior outcomes of oral midazolam (OM) premedication in pediatric dental general anesthesia (DGA). Premedication drug assists in the reduction of negative psychological impact during the general anesthesia induction, thus influence the behavior, particularly in pediatric patients. OM is one of the common premedications given due to its efficacy and well accepted administration. Materials and Methods: This review was registered under the International Prospective Register of Systematic Reviews (PROSPERO). Studies published in the databases including PubMed Central, Cochrane, Web of Science, Google Scholar and others between January 1980 and December 2020 were analyzed using Preferred Reporting Items for Systematic Review and Meta‐analysis (PRISMA) guidelines. Risks of bias and evidence levels were determined on each selected study. Results: Seven out of 6944 studies, were scrutinized for final analysis, which involved a total of 392 children in experimental groups and 89 children in placebo groups. OM had shown both positive and negative behavior outcomes post DGA using different assessment tools, in comparison to other premedications. It also showed less side effect post consumption. Conclusions: OM premedication demonstrated very limited evidence for positive behavior outcomes in pediatric DGA. The 0.5 mg/kg body weight dosage of midazolam yields the most favorable behavior postoperatively. Based on this collective review, there is still limited evidence for positive behavior outcomes in OM premedication.