Sea water for reactive dyeing of cottonfabrics

In this research work, trials have been taken up with sea water,as an alternative, for dyeing of cotton with different shades of reactivedye and different salt level contents. Dyeing has been carried out withhot brand reactive dye Red H8B using normal water, RO water andsea water (with and without salt). It is inferred that the exhaustion andfixation of the dye are better in case of sea water dyeing. The wash,rub and perspiration fastness are good for sea water dyeing and insome cases the ratings are comparable and in most case the ratings aresimilar to that of the ground water and RO water dyeing

2-Bromo-4-chloro-6-{(E)-[4-(diethyl­amino)­phen­yl]imino­meth­yl}phenol

In the title compound, C17H18BrClN2O, the dihedral angle between the aromatic rings is 3.0 (1)°. The methyl­ethanamine group assumes an extended conformation. An intra­molecular O—H⋯N hydrogen bond generates an S(6) ring motif. The crystal packing is stabilized by C—H⋯π and π–π [centroid–centroid distances = 3.691 (1) and 3.632 (1) Å] inter­actions

Keyhole craniectomy in the surgical management of spontaneous intracerebral hematoma

Background and Objective: Although the surgical management of spontaneous intracerebral hematoma (SICH) is a controversial issue, it can be life saving in a deteriorating patient. Surgical techniques have varied from the open large craniotomy, burr hole and aspiration to the minimally invasive techniques like stereotactic aspiration of the SICH, endoscopic evacuation and stereotactic catheter drainage. The authors report their experience with a keyhole craniectomy for the surgical evacuation of SICH. Methods: Ninety-six cases of SICH were treated using the keyhole craniectomy technique. A small craniectomy of 2-2.5 cm diameter was made using a vertical incision over a relatively ‘silent area’ of the cortex closest to the clot. Using a small cortical incision the hematoma was evacuated and decompression was achieved. Hemostasis was achieved using standard microneurosurgical techniques. Results: Good to excellent outcome was achieved in 55 cases. Mortality was noted in 23 patients. Blood loss was minimal during the procedure. Good evacuation of the clot was seen in all but 5 cases as judged by the postoperative CT scan. Conclusion: The keyhole craniectomy technique is minimally invasive, safe and can achieve good clot evacuation with excellent hemostasis. It can be combined with microscopic or endoscopic assistance to achieve the desired result

MOLECULAR PREVALENCE OF PORCINE CIRCOVIRUS 2 INFECTION: FOREMOST REPORT IN SOUTHERN STATES OF INDIA

Porcine circovirus 2 (PCV2) is the emerging viral pathogen in the swine associated with multi-systemic clinical and subclinical outcomes. This study aimed to detect the molecular and serological prevalence of PCV2 infection in the southern states of India. A total of 434 random samples comprising serum (n=273), pooled postmortem tissues (n=109) and rectal, vaginal, and nasal swabs (n=52) and were collected from PCV2 suspected and healthy swine populations of Tamil Nadu, Kerala, Andhra Pradesh, Telangana, and Puducherry states in India from 2019 to 2021 were screened for PCV2 by specific polymerase chain reaction (PCR) assay. Of 434 samples screened, 12.2% (n=53) showed positivity to PCV2 genome. Statistical analysis of the molecular prevalence of PCV2 within breed, age, sex, and vaccination status revealed no significant (p>0.05) difference but there was a significant (p<0.05) difference in the prevalence of PCV2 among healthy and suspected swine populations. Suspected pigs had a significantly higher prevalence of PCV2 in comparison to healthy. ELISA-based PCV2 antibody screening in 176 non-vaccinated serum samples revealed a seropositivity of 44.8% (n=79). The molecular and seroprevalence of PCV2 is alarming in southern states of India, which necessitates the need for genotypic characterization and phylogenetic analysis and development of candidate vaccine for implementation of suitable prevention and control measures

A genetic algorithm-based energy-aware multi-hop clustering scheme for heterogeneous wireless sensor networks

Background: The energy-constrained heterogeneous nodes are the most challenging wireless sensor networks (WSNs) for developing energy-aware clustering schemes. Although various clustering approaches are proven to minimise energy consumption and delay and extend the network lifetime by selecting optimum cluster heads (CHs), it is still a crucial challenge.Methods: This article proposes a genetic algorithm-based energy-aware multi-hop clustering (GA-EMC) scheme for heterogeneous WSNs (HWSNs). In HWSNs, all the nodes have varying initial energy and typically have an energy consumption restriction. A genetic algorithm determines the optimal CHs and their positions in the network. The fitness of chromosomes is calculated in terms of distance, optimal CHs, and the node's residual energy. Multi-hop communication improves energy efficiency in HWSNs. The areas near the sink are deployed with more supernodes far away from the sink to solve the hot spot problem in WSNs near the sink node.Results: Simulation results proclaim that the GA-EMC scheme achieves a more extended network lifetime network stability and minimises delay than existing approaches in heterogeneous nature.peer-reviewe

Nonlinear thermal instability in a horizontal porous layer with an internal heat source and mass flow

© 2016, Springer-Verlag Wien. Linear and nonlinear stability analyses of Hadley–Prats flow in a horizontal fluid-saturated porous medium with a heat source are performed. The results indicate that, in the linear case, an increase in the horizontal thermal Rayleigh number is stabilizing for both positive and negative values of mass flow. In the nonlinear case, a destabilizing effect is identified at higher mass flow rates. An increase in the heat source has a destabilizing effect. Qualitative changes appear in Rz as the mass flow moves from negative to positive for different internal heat sources