This paper investigates the distributed mean square output tracking problem of heterogeneous multi-agent systems with Markovian switching topologies and infinite transmission delays. The main challenge of the concerned problem arises from how to deal with Markovian switching topologies and infinite transmission delays simultaneously. A novel distributed observer is developed based on a newly proposed Lyapunov functional method. Then, a distributed controller based on the distributed observer is developed. It is shown that the stochastic distributed tracking problem is solved in the sense of mean square if the union graph of the underlying Markovian switching topology contains a spanning tree. A distinctive feature of the proposed controller is that the infinite delays are not required to be known. Finally, the effectiveness of the proposed controller is illustrated by two numerical examples.

The phytochemical investigation of the roots of Chloranthus henryi Hemsl. var. hupehensis (Pamp.) K. F. Wu led to the isolation and identification of 23 structurally diverse sesquiterpenes and their dimer, including a new eudesmane sesquiterpenoid dimer, nineteen new sesquiterpenoids and three known sesquiterpenoids. Among the isolates, 1 was a rare sesquiterpenoid dimer formed by assembling two highly rearranged eudesmane-type sesquiterpenes through a unique oxygen bridge (C-11–O–C-8′). It is worth noting that rearranged eudesmane type sesquiterpenoid dimers containing an oxygen bridge are rarely isolated from nature. (+)-2 and (−)-2 were a pair of new skeleton sesquiterpenoids with a remarkable 6/6/5 tricyclic ring framework including one γ-lactone ring and the bicyclo[3.3.1]nonane core. Their structures and absolute configurations were determined by spectroscopic analysis, single-crystal X-ray diffraction analysis, and quantum chemical calculation. Moreover, all the isolated compounds were evaluated for their potential anti-inflammatory activity using an LPS-induced BV-2 cell microglial. Among them, 18 suppressed TNF-α and IL-1β expression with EC50 values of 6.81 µM and 2.76 µM, respectively, indicating its excellent efficacy in inhibiting inflammatory factors production. In subsequent mechanism studies, compounds 3, 17, and 18 could reduce the production of IL-1β and TNF-α by inhibiting the activation of IKBα/p65 pathway.

Intracerebral hemorrhage is a common central nervous system disease characterized by a high incidence, fatality and disablement rate. Currently, there is no specific treatment available for this disease, making it a major clinical challenge to overcome. Following an intracerebral hemorrhage event, there is a leakage of blood components from blood vessels into the brain. This leads to the activation of microglia, which are specialized cells of the innate immune system. Consequently, these cells release a plethora of inflammatory mediators. Neuroinflammation in the adjacent vicinity of the hematoma and throughout the entire brain can arise due to the interference caused by microglia and inflammatory mediators. The extent of such inflammation is intricately linked to secondary brain injury as well as the recovery of brain function. Over the past few years, several investigations have showcased the crucial function of microRNAs in governing disorders of the central nervous system. This is specifically relevant when considering the pathophysiological progression of intracerebral hemorrhage and its associated neuroinflammatory cascade. By manipulating the expression of microRNAs, these agents have the ability to impact the behavior of immune cells and regulate the post-intracerebral hemorrhage neuroinflammatory reaction. Consequently, this control could potentially aid in mitigating the neurological functional deterioration arising from secondary brain injury brought about by intracerebral hemorrhage. Henceforth, the exploration of microRNAs as plausible molecular targets to address intracerebral hemorrhage shall furnish novel concepts and unveil untrodden avenues for its forthcoming treatment.

The existence of concentration gradient and temperature in the domain have mutual influence on propagation of heat and mass transfer. In this study, the mutual effect between concentration and temperature is coupled by presence of the Soret and Dufour parameter in concentration and energy equation respectively. A three-dimensional numerical analysis is presented for heat and mass transfer by varying solutal buoyancy force at fixed thermal buoyancy in the flow with induced forced convection by moving-lid and rotating cylinder. The heat and mass transfer (double diffusion flow) solver are framed in the open-source computational fluid dynamics tool OpenFOAM 5.0. The Reynolds number of Re = 1000 is kept same for both the sources (rotating cylinder and moving-lid). Thermal Rayleigh number of RaT = 10 6 and Richardson number of Ri = 1 are kept same for all the cases. The buoyancy ratio (thermal buoyancy to solutal buoyancy ratio) varies in the flow as N = 0.5, 1, 1.5. The configuration of forced convection varied by altering the angular rotational direction of cylinder (clockwise and counterclockwise) and the direction of moving-lid (positive and negative x-direction). The clockwise direction (CW) and positive x-direction of moving-lid velocity show the maximum mass transfer in terms of average Sherwood number ( Shavg) compared to other cases. The relevant quantities such as streamlines variation, isotherms, iso-concentration contours, Nuavg and Shavg are reported in detail.

INTRODUCTIONThis case reports a rare case of adult ileocolic intussusception secondary to an inflammatory fibroid polyp (IFP). Intussusception is an uncommon adult surgical condition, representing 5-16% of all cases of intussusception, and only 1-5% of all causes of adult intestinal obstruction (1). Up to 90% of cases are secondary to an underlying pathology, with approximately 65% being secondary to benign or malignant neoplasms (2). The diagnostic uncertainty of the underlying lead point highlights the need to surgically intervene on these lesions promptly.The inflammatory fibroid polyp, which is also known as the Vanek tumour, was first described by Vanek in 1949 and then proposed by Helwig and Ranier in 1953 (2). It is now defined as a benign tumour arising from the submucosa of the gastrointestinal tract. The most common site from which IFPs arise is the gastric antrum in 66-75% of cases, followed by the small bowel in 18-20% of cases (2). The ileal segment, however, is the most common site where they occur. Historically, aetiology was thought to be an inflammatory response to a submucosal granuloma usually associated with an irritating stimulus such as Helicobacter pylori , trauma, tuberculosis, etc. However, activating mutations of the proto-oncogene platelet derived growth factor alpha (PDGFRA) gene have been recently reported as a potential underlying true neoplastic origin (3).The appropriate surgical management of adult intussusception remains debatable when deciding on a primary en bloc resection versus an initial reduction followed by a limited resection. Here, we report a case of a laparoscopic ileocolic resection.

Multiple Renal Angiomyolipomas With Asymptomatic Nontraumatic Pulmonary Fat Embolus : A case reportHourieh Soleimani1

The EPICO-SEHOP platform gathers data from children with SARS-CoV-2 in Spain, allowing comparison between children with cancer or allogeneic hematopoietic stem cell transplantation (alloHSCT) and those without. The infection is milder in the cancer/alloHSCT group than in children without comorbidities (7.1% vs. 15%), except in children with recent alloHSCT (less than 300 days), of which 35.7% experienced severe COVID-19. These data have been shared with the SEHOP members to support treatment and isolation policies akin to those for children without cancer, except for those with recent alloHSCT or additional comorbidities. This highlights the collaborative registries potential in managing pandemic emergencies.

We have explored the result of the activation energy, thermal conductivity, and variable viscosity, A vertical wavy surface is passed by heat sources during convective heat transfer. Coupled equations controlling the flow, the nonlinear, mass, and heat transferring an electrically conducting viscous fluid via a vertically wavy surface have been solved with the Runge-Kutta-Shooting approach. ( f′, f ) the velocities, (φ)concentration and (θ)temperature, Sherwood and Nusselt number were discussed for several variations of Ds, Dc, E1, δ, Rd, β, θr, A1, B1, a, ξ. It has been seen that axial velocity increases with rising values of Ds, Dc, E1, Nr and reduces with thermal radiation (Rd), and thermal conductivity (β). Nusselt number (Nu) reduces with temperature dispersion (Ds), variable viscosity(θr), thermal conductivity (β) and enhances with solutal dispersion (Dc), radiation (Rd). Space/temperature dependent heat sources (A1, B1).

Among intracranial embryonal tumors, genetic/epigenetic analysis can help unveil the molecular background. Herein, we report a case of a cerebellar pontine angular embryonic tumor complicated by Cowden syndrome in an infant. The tumor radiologically lacked evidence of interaction with the cerebellum and appeared to show continuity with the pons. Pathological appearance was similar to that of a medulloblastoma with extensive nodularity. DNA methylation analysis indicated that the tumor was a “medulloblastoma, sonic hedgehog-activated” with a substantial confidence. Although the diagnosis deviated from the definition of medulloblastoma, clinical, pathological and molecular data suggested that it was an “ectopic” medulloblastoma.

Objectives: To analyze the factors influencing pregnancy outcomes in patients with adenomyosis after high intensity focused ultrasound (HIFU) treatment. Design: A retrospective study. Setting: Department of Gynaecology in a single centre in China. Population: Patients with adenomyosis under the age of 45 years who had a desire for future fertility. Methods: Pregnancy outcomes and factors influencing pregnancy outcomes were analyzed using multivariate regression analysis and survival analysis Main Outcome Measures: The improvement of symptoms and reproductive related information were recorded during the average follow-up time of 73.8 ± 28.6 months. Results: After HIFU, 100 of 231 (43.3%) patients became pregnant within 96 months. Among them, 77 conceived naturally, and 23 patients conceived by in vitro fertilization and embryo transfer (IVF-ET). In the 108 infertile patients, 31 (28.7%) became pregnant. At the end of follow-up, 70 successfully delivered 71 healthy babies. No uterine rupture occurred during pregnancy and delivery. The cumulative pregnancy rate increased faster in the IVF-ET group than that in the natural pregnancy group. Patients with pelvic adhesion and infertility history had lower pregnancy possibility than patients without pelvic adhesion and infertility history (OR<1, P<0.05). Patients with small adenomyotic lesion volume had a greater possibility of pregnancy than that of patients with large lesion volume (OR < 1, P < 0.05). Conclusions: HIFU has a positive effect on fertility, and IVF-ET seems to have improved the pregnancy rate of the patients with adenomyosis treated with HIFU. Pelvic adhesion, infertility history, and adenomyotic lesion volume were factors affecting pregnancy.

A document by N. K. Gahlot. Click on the document to view its contents.

Heterogeneous metal-catalyzed chemical conversions with a recyclable catalyst are very ideal and challenging for sustainable organic synthesis. Bipyridyl-Mo(IV)-carbon nitride (CN-K/Mo-Bpy) was prepared and characterized by FTIR, XRD, SEM, EDS, XPS and ICP-OES. Heterogeneous CN–Mo-Bpy catalyst can be applied to the direct amination of nitro compounds and boric acid, thus constructing various valuable diarylamines in high to excellent yields with a broad scope and good functional group tolerance. It is worth noting that this heterogeneous catalyst has high chemical stability and can be recycled for at least five times without losing its activity.

Objective: This study aims to evaluate the prevalence of long COVID infections and their influencing factors among primary HCWs after epidemic control policy adjustment in Jiangsu. Methods: A self-designed questionnaire was administered through on-site surveys among primary HCWs in five counties and districts within Jiangsu Province from July 4 to July 20, 2023. Results: The prevalence of long COVID among primary HCWs stood at 12.61% (95% confidence interval (CI) of 11.67%-13.55%). The most common long COVID symptoms were hypomnesia (4.90%), sleep difficulties (2.73%), fatigue (2.35%), disturbances in the reproductive system (1.93%), hair loss (1.85%), and myalgia/arthralgia (1.51%). Multivariate logistic regression revealed that older age groups (30-45 years (adjusted odds ratios (aOR) =1.93, 95%CI: 1.44-2.58), 45-60 years (aOR=2.82, 95%CI: 2.07-3.84)), females (aOR=1.26, 95%CI: 1.03-1.55), and higher work stress (high stress (aOR=1.52, 95%CI: 1.24-1.86), extremely high stress (aOR=1.37, 95%CI: 1.03-1.82)) were more prone to long COVID. Conversely, individuals with educational attainment below the bachelor’s degree (aOR=0.67, 95%CI: 0.55-0.82) and those who received four or more doses of the COVID-19 vaccine (aOR=0.55, 95%CI: 0.33-0.92) were at a reduced risk. Conclusion: To mitigate the incidence of long COVID, healthcare providers and authorities should implement effective measures, including optimizing work-rest schedules and actively advocating for vaccination.

News portals, social media, and other forums often publish news stories featuring details about individual’s criminal convictions and offenses data. The dissemination of such information to society for journalistic reasons is crucial for forming public opinions in every democracy, a practice safeguarded by everyone’s expressional and informational rights. However, revealing identities linked to criminal convictions and offenses data may interfere with an individual’s right to personal data protection by causing harm to their privacy. For example, the availability of such information publicly may serve as an open-source intelligence that might lead to discrimination in getting a job and insurance, among other areas. The scenario highlights a potential collision between the equally protected rights, emphasizing the complexity of balancing expressive and information rights against personal data protection by the Member States (MSs). Empirical findings indicate that in the process of achieving balance, MSs granted exemptions in varying manners, leading to disharmony with pertinent legal norms and consequent legal uncertainty. This paper outlines a unified balancing model between the fundamental rights in the realm of criminal record information. Employing a doctrinal research method discerns that any processing activity may qualify for journalistic purposes if that serves the public’s interest in their right to information, and the processing is strictly necessary. Second, it outlined a model that can be used to harmonize the reconciling mechanism within the laws on data protection in Europe.

The development of switchable solvent-free multicomponent reactions to build high-value-added products is an important demand for organic synthesis. Herein, we detailed the successful implementation of a switchable strategy for the construction of diverse 4-fluoroalkyl-1,4-dihydropyrimidines and 4-fluoroalkyl-pyrimidines via a solvent/additive-free [3 + 2 + 1] annulation, starting from readily available enamines, trifluoroacetaldehyde hydrate or 1-ethoxy-2,2-difluoroethanol and amidines hydrochloride. This reaction conforms to the concept of green synthesis, and provides a new avenue to access valuable fluorinated heterocycles.

The AYA gap for rhabdomyosarcomaSimone Hettmer1 and Lars H. Lindner2Division of Pediatric Hematology and Oncology, Department of Pediatric and Adolescent Medicine, University Medical Center Freiburg, University of Freiburg, Freiburg, Germany.Department of Medicine III, LMU University Hospital, LMU Munich, Marchioninistr. 15, 81377, Munich, Germany.To whom correspondence should be addressed. Email: simone.hettmer@uniklinik-freiburg.de. Phone: +49 761 270-45140; Fax: +49 761 270-4518Cancer is the leading cause of death among adolescents and young adults (AYAs). Cancers diagnosed during the AYA period - defined by the National Cancer Institute as the age from 15 to 39 years - account for approximately 5% of all cancers [1]. As per the national report on the status of cancer (study period 2015-2019, [1]), 5-year relative survival rates for both children and AYAs suffering from cancer are high (85.1% for children and 85.8% for AYAs), and improvements in survival over time appear to be similar for both age groups [1]. Yet, the spectrum of cancer types diagnosed in AYAs varies widely. The most common malignancies are female breast cancer (15%), thyroid cancer (15%), testicular cancer (8%) and melanomas (7%) [1], but AYAs may also suffer from so-called pediatric cancers with peak incidence during childhood. When compared to their childhood counterparts, worse outcomes were reported for AYAs diagnosed with pediatric cancers, including but not limited to leukemias [2] and sarcomas [3]. This „AYA gap“ is of concern to both pediatric and adult oncologists.The accompanying paper by Harrison et al examines a cohort of 2151 patients with rhabdomyosarcomas (RMS) enrolled in consecutive Children’s Oncology Group (COG) trials, including 19% AYAs aged 15-39 years and 81% children aged 0-14 years [4]. Compared to children with RMS, AYAs experienced significantly lower 5-year event-free survival (EFS; 44% vs. 67%) and 5-year overall survival (OS; 52% vs. 78%). These observations are in line with a recent retrospective analysis of nearly 2000 patients treated on European paediatric Soft Tissue Sarcoma Group (EpSSG) protocols [3]. Importantly, relative survival of AYAs with RMS treated on EpSSG and COG protocols appears to be better [3, 4] than the survival observed in epidemiological studies such as EUROCARE-5 (39,6% 5-year relative survival among RMS patients aged 15–19 years, and 36·4% for those aged 20–39 years; study period 2000-2007 [5]). Survival benefits for AYA patients treated on pediatric RMS protocols are consistent with previous observations in AYAs receiving treatment according to pediatric acute lymphoblastic leukemia (ALL) protocols [2] or at pediatric cancer centers/ sites with pediatric oncology expertise [6]. AYA cancer patients appear to benefit from chemotherapy dose intensities higher than what is generally prescribed to older patients. They may also draw advantages from pediatric standards with respect to planning of multimodal treatment and cancer staging. For example, the bone marrow (rarely ever involved in adult-type soft tissue sarcomas (STS)) is the most frequent site of metastases in AYAs with RMS treated within the COG cohort reported by Harrison et al [4] and should always be considered when planning pre-treatment examinations of AYAs with RMS. All taken together, adult oncology providers of AYA patients with RMS are well advised to consult their pediatric oncology colleagues and/ or consider referral to an institution with pediatric oncology expertise.AYA cancer patients treated on pediatric protocols – including those suffering from RMS - still experience worse outcomes than their pediatric counterparts [2]. There is ample evidence to support higher risk biology, more aggressive clinical phenotypes and higher rates of early treatment failures in AYAs diagnosed with pediatric cancers – including leukemias andsarcomas- compared to children diagnosed with the same malignancies [2-4]. For RMS tumors, higher rates of alveolar histology tumors and metastatic disease in AYAs were observed in the COG cohort reported here [4], as well as in the EpSSG and other retrospective studies [3, 7]. In addition to higher-risk disease manifestation, more frequent treatment-related toxicities and higher rates of withdrawal from treatment contribute to worse outcomes of AYAs compared to children with cancer [2]. There is a direct association between age and treatment-related deaths for patients undergoing ALL treatment on pediatric protocols [2]. Harrison et al do not comment on differences in treatment-related toxicities between children and AYAs with RMS, but higher rates of vincristine neurotoxicity, nausea and pain were previously reported in older adolescents undergoing RMS treatment on pediatric protocols. Even in the absence of higher-grade toxicities, a high burden of low-grade adverse events can have a major impact on the ability to function in daily life, continue education, maintain employment or participate in social activities. Many AYAs with cancer need to rely more on their parents/ support persons, which threatens their age-appropriate strive for autonomy and may result in them rebelling against treatment recommendations or failing to self- manage complex medication plans [8]. Active involvement of AYAs in the development of a care plan, which considers dignity, normalcy and family/ social relationships may improve compliance and, ultimately, treatment success.RMS is the most common STS in children and adolescents and often referred to as a pediatric cancer. Nevertheless, it occurs at any age, and up to 40% of all cases are diagnosed in adults (including seniors) [9]. The molecular and histological heterogeneity of pediatric RMS was studied intensively in recent years [10]. However, the insights provided by Harrison et al [4] and Ferrrai et al [3] emphasize that the remarkable diversity apparent across the RMS spectrum is multidimensional. Distinct clinical and biological characteristics of RMS diagnosed in different age groups deserve further attention. The two main pediatric RMS subtypes are embryonal and alveolar RMS, whereas pleomorphic RMS and RMS not otherwise specified are predominant in older adults and considered fundamentally different cancers [9]. To obtain a better understanding of RMS diagnosed in AYAs, future study efforts should aim at investigating the full spectrum of the disease and differentially consider the molecular underpinnings and therapeutic requirements of RMS diagnosed at opposite ends of the AYA age range.

A document by Hyejin Jeon. Click on the document to view its contents.

Aim Recent studies have shown that good adherence cannot be taken for granted for patients on direct anticoagulants (DOACs). In this cross-sectional study, adherence among DOAC users was investigated and associations between beliefs about medication, perceived side effects and adherence were investigated. Methods We included 100 randomly selected adult DOAC users visiting one of the two participating Dutch community pharmacies in the summer of 2020. The self-reported adherence (primary outcome) was assessed with the Medication Adherence Rating Scale-5 (MARS-5). Beliefs about DOACs were assessed with the Beliefs about Medicine Questionnaire Specific (BMQ-S) while side effects were assessed with a self-developed questionnaire based on the Lareb Intensive Monitoring (LIM) system. Results Of the participants, 9% reported non-adherence on the MARS-5 (score <24). Associations were found between non-adherence and both reported side effects and side effect burden. Furthermore patients’ belief that DOACs have unpleasant side effects was associated with both non-adherence and more side-effects. No associations were found between adherence and either gender, indication, DOAC or dosage. Conclusion This study confirms that non-adherence in patients on DOACs is prevalent. We recommend that both physicians and pharmacists evaluate adherence and side effects with their DOAC patients on a regular base.

This paper presents the dynamic response of cantilever beam on fractional-order nonlinear viscoelastic foundation subjected to Gaussian white noise. The control equations of the cantilever beam on viscoelastic foundation are established using Hamilton's principle. The problem is solved using the shifted Chebyshev polynomial algorithm, and the control equations are transformed into a system of nonlinear algebraic equations. Numerical examples analyse the correction error and the second norm error, confirming the effectiveness and accuracy of the algorithm in solving such problems. Furthermore, the algorithm's robustness was verified by comparing the responses of Gaussian white noise and non-Gaussian white noise cantilever beam on the viscoelastic foundation. The study examined the impact of various loads and parameters on the cantilever beam, as well as the effect of different harmonic loads on its stress. The research results are in line with the existing literature. These studies offer valuable guidance for practical engineering and enhance comprehension of the dynamic response of cantilevers on foundation in complex environments.

The objective of this viewpoint is to highlight the importance of long-term research and monitoring programs that are designed to address both basic science and applied management questions. Because funding for environmental sciences is inherently limited, and work that addresses current societal needs can be prioritized over basic research and monitoring efforts, design of long-term studies needs to be creative and intentional to address relevant and pressing issues, remain competitive for funding, and can also be used to conduct basic research across a broad range of topics. We use the U.S. National Estuarine Research Reserve System (NERRS) System-Wide Monitoring Program (SWMP) to illustrate the value of long-term studies and demonstrate how they can be designed to directly address management needs while also advancing our fundamental ecological understanding of coastal ecosystems.

A document by Jorma Tarhio. Click on the document to view its contents.

Robotics technology is extensively employed in various industries today to enhance operational efficiency. Industrial robot arms, which operate across a wide range of sectors, from personal and commercial transportation to heavy-duty tasks such as agriculture, construction, and mining, play an indispensable role in factory and manufacturing facilities. These robot arms not only contribute to labor savings but also enhance workplace safety by mitigating potentially hazardous situations that could threaten human health. The objective of this study is to ensure the data security of robot arms and prevent potential data leaks during wired or wireless communications. In this context, a hybrid encryption method comprising Elliptic Curve Cryptography (ECC), ChaCha20, and Poly1305 is proposed to securely facilitate communication between industrial robot arms and control systems, as well as communication among industrial robot arms themselves. This method combines the robust asymmetric encryption properties of ECC, the fast and energy-efficient symmetric encryption advantages of ChaCha20, and the data integrity protection benefits of the Poly1305 message authentication code (MAC) algorithm. By implementing this hybrid encryption method using the Python programming language, data communication between robot arms and control systems is securely encrypted, ensuring the confidentiality and integrity of the data. The RSA (Rivest-Shamir-Adleman) asymmetric encryption method, an alternative to ECC, is also included in the ChaCha20-Poly1305-RSA algorithm, allowing a comparison between the proposed ChaCha20-Poly1305-ECC algorithm and a different-sized data set of the same data type. The study investigates and tabulates the difference in performance time between RSA and ECC. Subsequently, the ChaCha20-Poly1305-ECC algorithm is independently tested with various data types and sizes, with the results presented. In conclusion, this study represents a significant step towards enhancing the data security of industrial robot arms, providing effective protection against potential leaks during wireless or wired communications, and elucidating the rationale for employing the proposed encryption method.

Bovine colostrum is a rich source of bioactive compounds, including growth factors, that may promote tissue regeneration. Studies suggest it has potential therapeutic benefits in humans, but further research is needed to fully understand its mechanisms of action. This study aims to review scientific articles on the use of bovine colostrum as a bioactive agent for tissue regeneration in humans and twelve articles were selected. In vitro studies show that bovine colostrum can benefit cells by reducing cell proliferation and inducing differentiation. The concentration of colostrum used has a direct impact on the results, with no positive results observed at some high concentrations (20%). Extracted portions of colostrum (EVs and IMF) showed better results than the complete colostrum. In vivo studies show that bovine colostrum is a promising natural source for wound healing, as its bioactive factors help in the orderly progression of the healing process. However, some studies did not find any benefit related to tissue regeneration, and more research is needed to explore the full potential of colostrum in regenerative medicine and to develop more effective therapies for wound healing.

A document by Narmadha Kuppuswami. Click on the document to view its contents.