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Coatings ◽  
2022 ◽  
Vol 12 (1) ◽  
pp. 91
Author(s):  
Aliah Nursyahirah Kamarudin ◽  
Mohd Mustafa Awang Kechik ◽  
Siti Nabilah Abdullah ◽  
Hussein Baqiah ◽  
Soo Kien Chen ◽  
...  

The development of high-temperature superconductor (HTS) YBa2Cu3O7~δ (Y123) bulks in industrial applications were established years ago. It is one of the developments that currently attracts great attention especially in transportation, superconductor cables and wires. This study is focused on the preparation of the Y123 bulk superconductors by the thermal treatment method due to the promising ways to develop high-quality Y123 superconductors with its simplicity, low cost, and relatively low reaction temperature used during the process. Y123 were added with graphene nanoparticles (x = (0.0–1.0) wt.%). Samples were then characterized by X-ray diffraction (XRD) analysis, field-emission scanning electron microscopy (FESEM), energy-dispersive X-ray spectroscopy (EDX), and alternating current susceptibility (ACS). It was found that Y123 confirmed that the majority of phases in all the XRD patterns was the orthorhombic crystal structure and the Pmmm space group with secondary phases belonged to Y2Ba1Cu1O5 (Y211). The highest Tc obtained when graphene nanoparticles were added in the Y123 sample was x = 1.0 wt.%, followed by x = 0.5 wt.% with 92.64 and 92.59 K, respectively. From the microstructure analysis, the average grain size significantly decreased to 4.754 µm at x = 0.5 wt.%. The addition of graphene nanoparticles had disturbed the grain growth of Y123, affecting the superconducting properties of the samples. On the other hand, the intergranular critical current density, Jcm, was found to increase with graphene nanoparticle addition and had the highest value at x = 1.0 wt.%, indicating that graphene nanoparticles acted as pinning centers in the Y123 matrix.


2022 ◽  
pp. 004947552110694
Author(s):  
Konchok Dorjay ◽  
Sidharth Tandon ◽  
Ajeet Singh ◽  
Satish Sharma ◽  
Kabir Sardana

Patients with Hansen's disease are liable to develop non-healing trophic ulcers. The aim of this study was to determine the efficacy of autologous platelet rich fibrin (PRF) applied at weekly intervals in the management of trophic ulcers. The mean age of the patients, duration and size of ulcer were 44.3 years, 7.4 months and 6.25cm2 respectively. After the third sessions of weekly dressing, there was a significant reduction in the ulcer area (p value  =  0.015). All ulcers healed by a maximum of six weeks. No adverse events were noted. PRF thus seems a feasible, safe, simple and cost-effective treatment method.


2022 ◽  
Vol 4 ◽  
pp. 120-127 ◽  
Author(s):  
Anand Ramchandra Kapse ◽  
Manali Kirti Jain ◽  
Harshla S. Sarvagod

This case report focuses on 50-year-old woman who was diagnosed with dysthymia and carpal tunnel syndrome (CTS). After reviewing her detailed history, she was prescribed homoeopathic medicine Natrum Carb considering the grief after death of her middle daughter, suppression of emotions since her childhood and her characteristic mental state of desiring to be alone and weeping when alone; her characteristic physical generals and dispositional qualities were also considered. After taking homoeopathic medicine, significant improvement occurred in her subjective symptoms such as paraesthesia as well as in the objective CTS-related signs such as the Tinel sign and Phalen test. Her anger, weeping spells, sleep disturbances and sadness were ameliorated as well. Homoeopathic medicine was found to be effective in relieving CTS and dysthymia in this case. Further research is needed to prove the efficacy of this treatment method in this disease.


2022 ◽  
Author(s):  
Xin Wang ◽  
Yinshu Guo

Abstract Background: Atypical polypoid adenomyoma (APA) is a rare intrauterine polypoid lesion that occurs predominantly in premenopausal women. Although, it is considered as a benign lesion and treated conservatively previously, more and more cases show that APA has a high rate of recurrence or residual, and is found to precede the development of carcinoma. The clinical management of APA remains to be established. The aim of this study was to analyse the clinicopathological features of APA and discuss its diagnosis and prognosis.Methods: Forty-four patients with APA were admitted to Beijing Obstetrics and Gynecology Hospital from 2005-2019, and their clinical and histopathologic features were evaluated. B-ultrasound was performed, and all patients (n=44) underwent hysteroscopy. Endometrium excision was performed by means of the “Four-step diagnosis and treatment” method. Hysteroscopic transcervical resection (TCR) was performed in 5 cases with APA-H and 11 with APA-L. Except for one patient who underwent transcervical endometrial resection, all patients underwent hysterectomy and salpingectomy or salpingo-oophorectomy. Data from a median follow-up of 42 months (ranging from 3 to 174 months) were available for these patients.Results: Pathological diagnoses were made according to the degree of abnormality of APA surface glands, resulting in APA-L in 36 cases and APA-H in 8 cases. Among these cases, 28 (25 APA-L and 3 APA-H) were treated conservatively. “Four-step diagnosis and treatment” method performed a excellent effect for APA therapy. During the follow-up no evidence of recurrence was found.Conclusions: For cases with intracavitary lesions > 1 cm, hysteroscopic “four-step diagnosis and treatment” and pathological diagnosis are the basis of clinical treatment. More than 30% of APA surface glands have complex structures, characterized by branching and budding, or other high-risk factors, such as endometrial hyperplasia, which are indications for hysterectomy. For patients with the desire to become pregnant or for uterine preservation, hysteroscopy with complete excision of the lesions should be the preferred treatment method. The patients should be treated individually, followed up closely, and followed up by regular hysteroscopy and endometrial biopsy.


Author(s):  
Sang-Yeob Kim ◽  
Yonghwan Kim ◽  
Yang-Jun Ahn

This paper introduces an outlier analysis which can improve the convergence of the statistical analysis results of sloshing model test data. The paper classify possible outliers in the sloshing model test into three categories and present a treatment method for each outlier. The developed outlier analysis is adapted to the model test results for the cargo of the liquefied-natural-gas (LNG) carrier in operation. The results of the present new method are compared with those of the conventional procedure, particularly focusing on long-term sloshing prediction. Through this study, the effectiveness of the present method is observed, and it is found that the present method provides is robust and reliable results in the application of experimental data for load prediction.


2022 ◽  
Vol 29 (1) ◽  
pp. 267-282
Author(s):  
Yi-Xiu Long ◽  
Yue Sun ◽  
Rui-Zhi Liu ◽  
Ming-Yi Zhang ◽  
Jing Zhao ◽  
...  

Purpose: Immune-related pneumonitis (IRP) has attracted extensive attention, owing to its increased mortality rate. Conventional chemotherapy (C) has been considered as an immunosuppressive agent and may thus reduce IRP’s risk when used in combination with PD-1/L1 inhibitors. This study aimed to assess the risk of IRP with PD-1/L1 inhibitors plus chemotherapy (I+C) versus PD-1/L1 inhibitors alone (I) in solid cancer treatment. Method: Multiple databases were searched for RCTs before January 2021. This NMA was performed among I+C, I, and C to investigate IRP’s risk. Subgroup analysis was carried out on the basis of different PD-1/L1 inhibitors and cancer types. Results: Thirty-one RCTs (19,624 patients) were included. The I+C group exhibited a lower risk of IRP in any grade (RR, 0.60; 95% CI, 0.38–0.95) and in grade 3–5 (RR, 0.42; 95% CI, 0.21–0.92) as opposed to the I group. The risk of any grade IRP with PD-1 plus chemotherapy was lower than that with PD-1 monotherapy (RR, 0.50; 95% CI, 0.28–0.89), although grade 3–5 IRP was similar. There was no statistically meaningful difference in the risk of any grade IRP between PD-L1 plus chemotherapy and PD-L1 inhibitors monotherapy (RR, 0.95; 95% CI, 0.43–2.09) or grade 3–5 IRP (RR, 0.71;95% CI, 0.24–2.07). In addition, compared with the I group, the I+C group was correlated with a decreased risk in IRP regardless of cancer type, while a substantial difference was only observed in NSCLC patients for grade 3–5 IRP (RR, 0.39; 95% CI, 0.15–0.98). Conclusion: In comparison to PD-1/L1 inhibitor treatment alone, combining chemotherapy with PD-1/L1 inhibitors might reduce the risk of IRP in the general population. Furthermore, PD-1 inhibitors in combination with chemotherapy were correlated with a decreased risk of IRP compared to PD-1 inhibitor treatment alone. In contrast to the I group, the I+C group exhibited a lower risk of IRP, especially for NSCLC patients.


2022 ◽  
pp. 004947552110433
Author(s):  
James Shelton ◽  
Sara Dorman ◽  
Yinna Kim ◽  
Phillipa Thorpe ◽  
Badri Narayan ◽  
...  

Circular frames are a successful way of treating difficult fractures and non-unions. At our institution (CSC) in Phnom Penh, Cambodia, our method differs from developed healthcare systems in that we do not use x-ray to site the frames. A retrospective cohort study was performed between CSC and a UK LRS unit. Demographics, diagnosis, frame type, pre- and post-op deformity, proximal and distal construct alignment comparative to the tibia, and time to union or failure. 70 patients in total were identified and were randomly selected from a hospital in UK. Demographics & deformity were similar and failed to reach significant difference on testing: union rate 70% v. 82%, time to union 9.8 v. 8.5 months, and radiation exposure mean 0 v. 74 cGy/cm2 (range 6.4–326.7). These are startlingly homogenous results considering the differing resources available. We believe that ring fixators are a viable treatment method in austere environments where image intensifiers are unavailable, and demand no unnecessary radiation exposure.


2022 ◽  
Vol 2022 ◽  
pp. 1-7
Author(s):  
Qiannan Zhao ◽  
Juanjuan Liu ◽  
Sai Wang ◽  
Xiuqin Wang ◽  
Xiufang Jiang

Background. This study aims to investigate the clinical efficacy of chemotherapy combined with traditional Chinese medicine in patients with cervical cancer and its effect on cellular immunoglobulin, serum sugar chain antigen 125 (CA125), carcinoembryonic antigen (CEA), and tumor necrosis factor-α (TNF-α). Methods. Conventional chemotherapy was performed in control and observation groups. Meantime, the observation group received traditional Chinese medicine. Finally, the clinical efficacy, immunoglobulin, serum tumor markers, and serum TNF-α of the two groups were compared. Results. Compared with the control group, total effective rate in the observation group was increased. After treatment, serum CD8+, TNF-α, CA125, and CEA levels were reduced in the two groups, and the observation group was higher. In the two groups, CD3+ and CD4+ levels were enhanced after treatment, and the observation group was also higher. Compared with the control group, the immunoglobulin IgG, IgA, and IgM levels increased in the observation group. The incidence of adverse reactions in the observation group was reduced compared to the control group. Conclusion. Chemotherapy combined with traditional Chinese can help improve the clinical efficacy and immunity in patients with cervical cancer. Moreover, the safety and feasibility of the treatment method are relatively high.


Bone Research ◽  
2022 ◽  
Vol 10 (1) ◽  
Author(s):  
Junxin Lin ◽  
Yuwei Yang ◽  
Wenyan Zhou ◽  
Chao Dai ◽  
Xiao Chen ◽  
...  

AbstractTendon heterotopic ossification (HO) is characterized by bone formation inside tendon tissue, which severely debilitates people in their daily life. Current therapies fail to promote functional tissue repair largely due to our limited understanding of HO pathogenesis. Here, we investigate the pathological mechanism and propose a potential treatment method for HO. Immunofluorescence assays showed that the Mohawk (MKX) expression level was decreased in human tendon HO tissue, coinciding with spontaneous HO and the upregulated expression of osteochondrogenic and angiogenic genes in the tendons of Mkx−/− mice. Single-cell RNA sequencing analyses of wild-type and Mkx−/− tendons identified three cell types and revealed the excessive activation of osteochondrogenic genes during the tenogenesis of Mkx−/− tendon cells. Single-cell analysis revealed that the gene expression program of angiogenesis, which is strongly associated with bone formation, was activated in all cell types during HO. Moreover, inhibition of angiogenesis by the small-molecule inhibitor BIBF1120 attenuated bone formation and angiogenesis in the Achilles tendons of both Mkx mutant mice and a rat traumatic model of HO. These findings provide new insights into the cellular mechanisms of tendon HO and highlight the inhibition of angiogenesis with BIBF1120 as a potential treatment strategy for HO.


2022 ◽  
Vol 5 (1) ◽  
pp. 01-06
Author(s):  
Dan Jiang

Covid-19 is a pandemic infective disease, which has been erupting throughout the whole world from 2020 to 2021. There have been at the time of reviewing more than a hundred million cases (102,399,513) of infection, and more than 2 million deaths (2,217,005) in more than 200 countries; this information is taken from the Covid-19 daily situation report issued on 1st Feb 2021 by WHO. The pandemic was also declared as an outbreak of Public Health Emergency of International Concern on 30th Jan 2020 by WHO. No effective treatment model has yet been confirmed by conventional western medicine, but some herbal treatments used in China can be recognized as having positive results in Covid-19 cases. This pandemic disaster has been severely damaging to quality of life, disturbing social communication, economic development and the progress of humanity. Successful results were first reported from temporary hospitals (Fangcang Hospitals set up in arenas and exhibition spaces) in Wuhan, China, where more than 90% of patients treated with Chinese herbal medicine were prevented by transferring from the minor or milder stages of the disease to the severe or critical stage. In all of them the positive PCR became negative; herbs were involved in the rescue and treatment of severe and critical cases in ICU’s in hospitals as well. It was an important factor in how Covid-19 was controlled so quickly in China. The author recruited both confirmed and suspected Covid-19 patients through social media (WeChat, WhatsApp, Internet, message etc.) as a volunteer TCM consultant from March 2020, during the first Lockdown phase in UK. It was quickly realized that the appearance of the tongue provides special and significant information for identifying whether Covid-19 is present and shows its severity, from a TCM perspective, as the degree and type of dampness accumulated within the body. Herbal prescriptions were sent by post for patients’ treatment according to their clinical findings, virus exposure history and tongue information (from photos). Similar positive effects were found as in China, and treatment reports and results are summarized here. The author believes there are many herbal medicines that can be effective in controlling the Sars-Cov-2 virus, and that prescribing the appropriate formula to match each individual case is the key point for TCM control of Covid-19. Chinese herbal medicine is the most effective current treatment method that can prevent cases in the minor and ordinary stages from progressing to the severe or critical stage, and so can play a significant role in the decrease and cure of Covid-19.


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