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Nidhi,Archana Kumari,Sarita Tirkey,Jay Prakash 대한폐경학회 2022 대한폐경학회지 Vol.28 No.3
Objectives: To evaluate the effect of levonorgestrel-releasing intrauterine system (LNG-IUS) on heavy menstrual bleeding in perimenopausal women.Methods: This was a prospective, observational clinical study conducted on 42 perimenopausal women with heavy menstrual bleeding who met the study eligibility criteria. LNG-IUS was inserted in the postmenstrual phase following baseline evaluation. The patients were followed up at the 4, 12, and 24 weeks. Pictorial blood assessment chart (PBAC) score, hemoglobin and serum ferritin levels, and endometrial thickness were assessed before insertion and during the follow-up visits. Results: Two patients (4.8%) were lost to follow-up, three patients (7.1%) opted for hysterectomy, two women (4.8%) experienced spontaneous expulsion and 35 (83.3%) women continued the usage. Menstrual blood loss assessed using the median PBAC score (interquartile range) significantly reduced (P < 0.001) from the pre-insertion level of 280 (246–306) to 124 (60–200) at 4 weeks to 45 (34–76) at 12 weeks and further to 32 (20–50) at the end of 24 weeks. Simultaneously, a significant (P < 0.001) improvement in the mean hemoglobin and serum ferritin levels and a significant (P < 0.001) decrease in endometrial thickness were observed. The most common side effect was spotting (50.0%) and vaginal discharge (38.1%).Conclusions: LNG-IUS causes a remarkable reduction in menstrual blood loss and marked improvement in dysmenorrhea. It also reduces anemia by improving the hemoglobin and ferritin levels. Thus, it can serve as an effective treatment option for heavy menstrual bleeding in perimenopausal women and prevent the need for a hysterectomy.
Evidence of sustained ferroelectricity in glycine sodium nitrate single crystal
Nidhi Tyagi,Nidhi Sinha,Binay Kumar 한국물리학회 2014 Current Applied Physics Vol.14 No.2
The nonlinear optical single crystals of glycine sodium nitrate were grown by the slow evaporation method. XRD confirmed monoclinic structure. Thermal stability and melting point (225 C) were investigated. The dielectric behaviour of the crystals in the frequency range 20 Hze2 MHz at different temperatures is reported in which a ferroelectric to paraelectric phase transition at Tc ¼ 56 C is observed. The activation energies of GSN were found to be 3.615 eV, 0.593 eV and 0.0733 eV in three temperature regions of conductivity plot due to a hopping conduction mechanism. The crystal has shown high piezoelectric charge coefficient (d33) of 16 pC/N which is nearly double of observed value for gglycine single crystal. The spontaneous polarization Ps at room temperature was found to be 1.489 mC/ cm2 at applied maximum field of 26 kV/cm (1.194 mC/cm2 at 12 kV/cm) and the pyroelectric coefficient was determined to be 400 mC/m2/C. High value of squareness parameter (1.93) makes the GSN crystal suitable for switching applications. Detailed investigations of Ferro-/Piezoelectricity were observed for the first time in glycine sodium nitrate crystals which was found to preserve the ferroelectricity even after applying an electric field much higher than the saturation electric field (12e26 kV/cm). Application of GSN crystals as sensor, high power switch gears and storage memories has been established.
Nidhi Chhabra,Anuj Chhabra 대한예방치과학회 2018 International Journal of Clinical Preventive Denti Vol.14 No.1
The protective effects of milk and milk products against dental caries, due to micellar casein or caseinopeptide derivatives, have been demonstrated in various animal and human in situ studies. Among all the remineralising agents, casein phosphopeptide-amorphous calcium phosphate (CPP-ACP) technology has shown the most promising scientific evidence to support its use in prevention and reversal of carious lesions. CPP-ACP complex acts as a calcium phosphate reservoir and buffer the activities of free calcium and phosphate ions in the plaque. Calcium phosphate stabilized by CPP produces a metastable solution supersaturated with respect to the amorphous and crystalline calcium phosphate phases, thereby depressing enamel demineralisation and enhancing mineralisation. CPP-ACP provides new avenue for the remineralisation of noncavitated caries lesions. The objective of this article was to review the clinical trials of CPP-ACP complex and highlight its evidence based applications in dentistry.
An Efficient Opportunistic Routing Protocol in Underwater Communication
Nidhi Rajpoot,Rajendra Singh Kushwah 보안공학연구지원센터 2015 International Journal of u- and e- Service, Scienc Vol.8 No.6
For many years, opportunistic networks have gain fame in research and industry as a natural evolution of mobile ad hoc networks (MANETs). It is a more common concept of delay tolerant networks, which opens a thrilling path for connecting nodes opportunistically and communicates wirelessly and at the similar time expands the possibilities for real-life application problems. Presented ad hoc routing protocols, although robust to quickly changing network topology, suppose the being there of a connected path from source to destination. In this proposed system, we make a base station (BS1) on the upper layer of water. It is situated where signal strength is good. It will get the connection either by RSU (Road Side Unit) or by satellite. When it will get connected by RSU or satellite, sonar waves of base station amplifiers. Another base station (BS2) is situated under water at some distance from BS1 & gets radio waves by base station & its Sonar waves gets amplified.
Nidhi Sharma,Rajneesh Kumar,Paras Ram 국제구조공학회 2008 Structural Engineering and Mechanics, An Int'l Jou Vol.28 No.1
A general solution to the field equations of homogeneous isotropic generalized thermoelastic diffusion with two relaxation times (Green and Lindsay theory) has been obtained using the Fourier transform. Assuming the disturbances to be harmonically time.dependent, the transformed solution is obtained in the frequency domain. The application of a time harmonic concentrated and distributed loads have been considered to show the utility of the solution obtained. The transformed components of displacement, stress, temperature distribution and chemical potential distribution are inverted numerically, using a numerical inversion technique. Effect of diffusion on the resulting expressions have been depicted graphically for Green and Lindsay (G-L) and coupled (C-T) theories of thermoelasticity.
Nidhi Kakkar 한국곤충학회 2010 Entomological Research Vol.40 No.6
A total of 8306 individuals as 29 species from 3 subfamilies (Hybosorinae, Aphodiinae, Scarabaeinae) were trapped by pitfall bait trapping. The maximum number of species of Scarabaeinae (68.97%) and number of individuals of Aphodiinae (56.84%) take part in the formation of a community. The number of species, number of individuals, diversity and dominance changes throughout the season. Seasonal prevalence of 82.76% of species and 50.81% of individuals was found in June. Aphodius campestris was found to be more attracted to the pitfall bait traps. The beetle community found in May shows the maximum Shannon's Diversity Index (2.46) but Margalef's Diversity Index was highest in August (3.06). Environmental factors play an important role in the occurrence and abundance of dung beetles. In the present study non-significant but positive correlations between temperature and species richness, abundance and diversity were found. Percent relative humidity showed a positive correlation with abundance only, and negative correlations with species richness and diversity.
Nidhi Asthana,Haewon Byeon 한국정보통신학회JICCE 2024 Journal of information and communication convergen Vol.22 No.1
User preferences and ratings may be anticipated by recommendation systems, which are widely used in social networking, online shopping, healthcare, and even energy efficiency. Constructing trustworthy recommender systems for various applications, requires the analysis and mining of vast quantities of user data, including demographics. This study focuses on holding elections with vague voter and candidate preferences. Collaborative user ratings are used by filtering algorithms to provide suggestions. To avoid information overload, consumers are directed towards items that they are more likely to prefer based on the profile data used by recommender systems. Better interactions between governments, residents, and businesses may result from studies on recommender systems that facilitate the use of e-government services. To broaden people’s access to the democratic process, the concept of “e-democracy” applies new media technologies. This study provides a framework for an electronic voting advisory system that uses machine learning.