bluuebunny/crossref_metadata_2025 huggingface dataset:
29. ĐẶC ĐIỂM LÂM SÀNG VÀ HÌNH ẢNH NỘI SOI Ở TRẺ VIÊM, LOÉT DẠ DÀY - TÁ TRÀNG TẠI BỆNH VIỆN SẢN NHI NGHỆ AN
Authors: Hải Tăng Xuân , Đạt Đặng Quốc , Bắc Vũ Đình , Trang Nguyễn Thị Quỳnh , Hùng Phạm Văn
Published: May 2024

Viêm loét dạ dày-tá tràng ở trẻ em ít gặp hơn người lớn, tuy nhiên ngày càng có xu hướng trẻ hóa, chủ yếu là mạn tính do nhiễm Helicobacter pylori (HP). Mục tiêu: Mô tả đặc điểm lâm sàng và hình ảnh nội soi ở trẻ viêm, loét dạ dày – tá tràng tại bệnh viện Sản nhi Nghệ An.
Đối tượng và phương pháp: Nghiên cứu mô tả cắt ngang trên 778 trẻ viêm loét dạ dày – tá tràng có nhiễm HP tại bệnh viện Sản nhi Nghệ An.
Kết quả: Triệu chứng đau bụng là triệu chứng lâm sàng hay gặp nhất với 92,0%. Hình ảnh nội soi dạ dày tá tràng cho thấy tổn thương viêm dạ dày chiếm tỷ lệ cao với 93,6% và 6,4% trường hợp viêm loét tá tràng. Chủ yếu gặp tổn thương tại vị trí hang vị dạ dày chiếm 83,8% và loét hành tá tràng từ 1 ổ loét trở lên chiếm 82,0%. Triệu chứng lâm sàng của bệnh thường không đặc hiệu ở trẻ em, do vậy kết hợp thăm khám lâm sàng và nội soi đường tiêu hóa rất có giá trị trong việc chẩn đoán và định hướng điều trị bệnh viêm loét dạ dày-tá tràng ở trẻ em.
Kết luận: Độ tuổi viêm loét dạ dày-tá tràng trẻ em từ 6-12 tuổi, tỷ lệ trẻ nam mắc cao gấp 1,5 lần so với trẻ nữ. Các triệu chứng đau bụng là triệu chứng lâm sàng hay gặp nhất với 92,0%. Tổn thương viêm dạ dày chiếm tỷ lệ cao với 93,6% và 6,4%, vị trí tổn thương thường gặp tại hang vị và hành tá tràng qua nội soi dạ dày-tá tràng.
Granulomatous Mastitis in a Systemic Lupus Erythematosus Patient: Case Report
Authors:   Professor and Doctor of Rheumatology, Service of Hospital, Mackenzie Evangelical University (HUEM), Brazil., Zanlorenzi Lais , Queiroz Junior Nelzi Ferreira de ,   Resident of Rheumatology, Service of Hospital, Mackenzie Evangelical University (HUEM), Brazil., dos Santos Thiago Alberto Fernandes Gomes ,   Professor and Doctor of Rheumatology, Service of Hospital, Mackenzie Evangelical University (HUEM), Brazil., Stadler Kahlow Barbara ,   Professor and Doctor of Rheumatology, Service of Hospital, Mackenzie Evangelical University (HUEM), Brazil., Larocca Skare Thelma ,   Professor and Doctor of Rheumatology, Service of Hospital, Mackenzie Evangelical University (HUEM), Brazil.
Published: May 2024

Granulomatous Mastitis (GM) is an uncommon form of mastitis frequently associated with autoimmune diseases. This entity requires a differential diagnosis with breast tumor and infections and may be treated with glucocorticoids and methotrexate. We report a case of GM in a patient with systemic lupus erythematosus already using high doses of prednisone and immunosuppressants that responded to the use of doxycycline. Some pathophysiological, histological and treatment aspects are discussed.
Satisfaction Level of Multi-Drug Resistant Tuberculosis Patient: A Hospital Based Study in Bangladesh
Authors:   University Research Co. (URC), Dhaka, Bangladesh., Sayem Md. Abu , Khan Md. Khalilur Rahman ,   Ministry of Liberation War Affairs, Dhaka, Bangladesh., Husain Md. Ashaque ,   Ministry of Health and Family Welfare, Dhaka, Bangladesh., Zahid SM. Abu ,   Management Sciences for Health, Dhaka, Bangladesh., Rahman Md. Mojibur ,   Bangladesh University of Health Sciences, Dhaka, Bangladesh., Hossain Md. Golam ,   Department of Statistics, Health Research Group, University of Rajshahi, Rajshahi-6205, Bangladesh.
Published: May 2024

Background: Realizing the patients’ need and improving the quality of services, a satisfaction survey can effectively help management and the patient. The aim of this study was to investigate satisfaction level of multi-drug resistant tuberculosis (MDRTB) patients at tertiary level hospital in Bangladesh. Methods: A cross-sectional study conducted at Chest Disease Hospital (CDH), Rajshahi among 199 MDR-TB patients using random sampling technique. A semi-structured questionnaire was used to collect basic, socio-demographic, behavioral and satisfaction specific data with ensuring no any risk for providing right information. Five point “Likert Scale” was used to measure patients’ satisfaction level. The relevant data were carefully coded and recoded for statistical analysis, and independent samples t-test and multinomial logistic regression analysis were used to see the difference and association of influencing factors on satisfaction. Results: In this study, we observed that the mean age of MDR-TB patient admitted at CDH was 39.8 years with range from 16 to 62 years. About 90% patients were satisfied with behavior of care providers, and 50% and 29% patients were satisfied in hospital environment and supplied food respectively. We also found that old age group, male, less educated, smoker, diabetic, married, high income and less expenditure group, business or service holder and Muslim were more satisfied than their counterparts. The multinomial logistic regression analysis showed that young age group (≤40 years) was five times more dissatisfied than old age group (≥40 years) (OR=5.345; 95% CI: 1.123-25.448; p<0.05). Receiving monthly money from the program positively impacted on satisfaction. Similarly, drug toxicity, length of stay and loneliness was negatively impacted on satisfaction. Conclusion: Considering the mentioned influencing factors can strengthen the national control program effort at CDH in Rajshahi division, Bangladesh. Similar study in other chest disease hospitals located mostly in different divisions in the country can also help comparing the factors for nationwide improvement.
Recent Trends in Nano Drug Delivery Systems to Treat Cancers: With Special Focus on Liposomal Drug Delivery Systems
Authors:   Taneja College of Pharmacy, University of South Florida, Tampa, Florida 33612, USA., Pathak Yashwant
Published: May 2024

Cancer treatment is an area of ongoing concern and requires a great deal of research in order to provide patients and providers with the best possible therapeutic options
The Molecular Biology of Prostate Cancer: Diagnosis, Resistance and Virulence
Authors:   Department of Paraclinical Sciences, University of the West Indies, St Augustine, Trinidad and Tobago., Reinand Thompson , Essa Samuel ,   Department of Clinical Medicine, Stroke and Diabetes Centre, Trinidad and Tobago., Marcus Martin ,   Microbiology and Cell Science Department, The University of Florida, Florida, USA.
Published: May 2024

Prostate cancer is the most common form of non-skin cancer in men and the second leading cause of cancer death among them. The estimated incidence of prostate cancer worldwide was 1,414,259 in 2020, making it the fourth most commonly diagnosed malignancy, with the majority of cases seen in those over 65 years of age. Several genes have been implicated in prostate cancer development using many molecular methods to elucidate genes related to its development and progressions. Prostate cancer gene variants can be categorised based on many factors, such as the type of gene they affect (tumour suppressor, oncogene) or the type of mutation observed in the development of the illness (SNP’s, gene fusions, translocations, deletions, duplications etc) epigenetic changes and even alternative splice variants are also observed in the development of prostate cancer. Understanding these various genetic connotations can then have implications for diagnosis and treatment.
The Influence of Social Media and Perceived Barriers on Formation of Social Entrepreneurial Intention: A Conceptual Framework
Authors: Osama Al Jameel , Adam Sabrinah
Published: May 2024

Social entrepreneurship is garnering global attention and emerging as a noteworthy business model. Scholars and practitioners assert that social entrepreneurship is pivotal in addressing and resolving social problems through sustainable solutions. However, evidence suggests that barriers can impede individuals from becoming social entrepreneurs or postpone the decision to initiate a social venture. Furthermore, despite the influential role of social media in shaping general public attitudes and behavior, there is limited attention given to its impact on social entrepreneurship. Consequently, this study employs the theory of planned behavior to create a new framework that incorporates various variables potentially influencing social entrepreneurial intention (SEI). This study contributes to the social entrepreneurship literature by offering new insights into the factors affecting SEI. Beyond advancing theoretical knowledge, it enhances policymakers' understanding of the antecedents of SEI, enabling them to formulate effective policies that encourage suitable individuals to pursue social entrepreneurship.
A Quasi-Experimental Investigation of the Effect of Tennessee Promise on Postsecondary Career and Technical Education Enrollment Responses
Authors: Collom Gresham D.
Published: May 2024

In this study I deployed quasi-experimental methods to explore the effect of the implementation of a statewide free-college program, Tennessee Promise, on enrollment in postsecondary career and technical education programs. State policymakers implemented the Tennessee Promise, a free-college
program for recent high school graduates attending public, two-year institutions, in 2015. As postsecondary attainment in the United States falls short of workforce needs, there has been an increased focus on postsecondary career and technical education credentials and degrees linking workforce
needs directly with educational programs (Lumina, 2019; Perkins V, 2019). However, it is currently unknown whether access to statewide free-college funding impacts enrollment in postsecondary career and technical education. In this study, I use federal data to estimate the causal effect of
Tennessee Promise on postsecondary career and technical education enrollment. Findings from the analysis show a small but insignificant increase in Tennessee after the implementation of the grant when compared to both the national control group and the contiguous control group. I discuss the
implications for research and practice, and how promise programs may be leveraged more effectively moving forward to improve outcomes in postsecondary career and technical education.
Using Participation in Career and Technical Education as a Baseline for Access, Equity, and Inclusion for Students with Disabilities
Authors: Harvey Michael W. , Park Mi Hee
Published: May 2024

Secondary career and technical education (CTE) provides high school students the opportunity to gain occupational skills for in-demand 21st century jobs linked to college and career readiness (CCR). All students, including those with a disability, can benefit from CTE. Secondary CTE
is a predictor of positive post-school outcomes for students with disabilities (SWD; Mazzotti et al., 2021). This study explored the Perkins Collaborative Research Network (PCRN) data associated with secondary CTE and SWD participation from school years 2014–2015 to 2018– 2019
to establish a baseline in enrollment. The data provides a point of reference and trends to better understand serving SWD in CTE and sheds light on access, equity, and inclusion framed in policy and practice articulated by Harvey et al. (2020). The findings can also inform continued work associated
with a CCR framework for SWD (Morningstar et al., 2017).
ЭЛЕКТРОПРОВОДЯЩИЕ ПОЛИМЕРНЫЕ ПЛЕНКИ ПОЛИВИНИЛОВОГО СПИРТА
Authors: Саргсян А.Х.
Published: May 2024

Во многих областях техники существует большая потребность в электропроводящих полимерных материалах. Однако большинство полимеров являются диэлектрическими материалами. На их основе можно получить электропрoводящие композиции путем введения в их состав различных наполнителей, таких как металлы или углеродные материалы: графит, технический углерод, сажа, графитовые волокна.
В случае наполнения металлами имеются, как минимум, две проблемы: их высокая плотность и возможность химического взаимодействия поверхности металлов с полимерной матрицей.
Для обеспечения электропроводности в объеме полимерного композита необходимы контакты между частицами металла, а это достигается только при высоких степенях наполнения, что приводит к ухудшению прочностных свойств композита. Многие металлы не индифферентны по отношению к полимеру, что приводит к их химическому взаимодействию и нарушению контактов между частицами наполнителя, а также к снижению проводимости композита.
Из углеродных наполнителей привлекает внимание сажа. Она отличается развитой поверхностью, высоким сродством к органическим полимерам, зачастую имеет упрочняющую функцию в составе композита, а также низкую плотность. Это позволяет достичь высоких объемных степеней наполнения при сравнительно низком массовом содержании в составе композита. Однако, но сравнению с металлами, сажа имеет относительно низкую электропроводность.
Установлено, что положительные свойства металлов и сажи в качестве наполнителей электропроводящих полимерных композитов можно совместить металлизацией поверхности последней – это обеспечивает высокую контактную электропроводность наполнителя при относительно низком его массовом содержании в составе полимерного композита.
ИССЛЕДОВАНИЕ МНОГОПАРАМЕТРИЧЕСКИХ КОМПЛЕКСНО ДЕЙСТВУЮЩИХ ФАКТОРОВ В ПЕЧАТНОЙ ЗОНЕ ОФСЕТНЫХ ПЕЧАТНЫХ МАШИН
Authors: Мартиросян С.С. , Стакян М.Г.
Published: May 2024

Изучены факторы, действующие в печатной зоне офсетной печатной маши¬ны (давление, напряжение, деформация печатной пластины, нагревание, растрес¬ки¬ва¬-ние), и их влияние на качество печати при изменении параметров указанных фак¬то-ров в различных комбинациях. Проведен анализ предыдущих исследований в дан-ной области. Показано, что они в основном касались оценки влияния отдельных фак-то¬ров и получения их оптимальных показателей. Выявлены следующие зако¬но¬мер¬-ности: рассмотрены способы создания давления при печати, исследованы кинема¬ти-ка, характер деформаций деталей машин, работающих при печати, и характер из¬ме¬-нения их компонентов в условиях выхода значительного объема изделий в контакт, изу¬чены зоны, рассмотрены роль распределения тепла при печати в процессе изго¬то-вле¬¬ния качественной полиграфической продукции, изменение давления при печати и тер¬¬¬мического давления, совместное влияние факторов и обеспечение оптимального процесса пе¬¬чати, обсуждено влияние явлений, действующих в печатной зоне в про-цессе плавного и равномерного переноса красителя, на бумагу для печати.
В работе использовались печатные машины Heidelberg и Risograph TR1510 и по¬лученные с их помощью экспериментальные данные, для обработки - метод конеч-ных элементов и программный комплекс ANSYS. С целью определения оптимальных зна¬чений показателей с использованием программного пакета ANSYS были составлены вариационные ряды этих показателей. Применяя метод регрессионного анализа дан¬¬¬ных, были получены одно- и многопараметрические функциональные связи между эти¬ми показателями, позволяющие рассчитать их обоснованные и комплексно оце¬нен¬¬ные оптимальные значения.
Data from the Paper Entitled “Application of a Bayesian Approach for Exploring the Impact of Syllable Frequency in Handwritten Picture Naming”
Authors: Perret Cyril , Solier Clara
Published: May 2024

The data presented here comes from the Perret and Solier (2022) study. 30 participants handwrote labels for 150 black-and-white drawings. The experiment was carried out using the DmDx program. Response times and production errors were the two behavioral reported measures. DmDx scripts and data are available on the OSF platform (DOI: https://doi.org/10.17605/OSF.IO/GAZF3). These data should be useful for pre-testing to explore new hypotheses, as well as for methodological elements (e.g., sample size estimation, estimation of a priori distributions for Bayesian analyses).
Investigation of The Effect of Asphalt Layer and Sub-Base Layer Thicknesses on Pavement Surface Deformation by The Finite Element Method
Authors: Bayazit Mehmet , Şahinkaya Ferhat
Published: May 2024

The layer thickness of flexible pavements is one of the important parameters affecting permanent deformations. In this study, the effect of sub-base thickness and asphalt concrete thickness on the deformations under axial loads was investigated using the Plaxis 2D finite element software. In the study, 100, 200, 300, 400, 500, and 600 kPa pressure were applied to the asphalt pavement surface. In the first case, the base layer of 30 cm thickness was kept constant, and the asphalt layer was changed from 9 to 14 cm. In the second case, the asphalt thickness at 9 cm and the base layer thickness of 30 cm were kept constant, and the sub-base layer thickness was selected at 30, 40, and 50 cm. As a result of the completed analysis, it was observed that the deformations on the pavement surface decreased with increasing thickness of the layers; furthermore, the use of a sub-base layer in the pavement considerably increases the deformation resistance.
Application of Variation Drill Method Assisted by Audiovisual Media in Improving Futsal Ball Passing Skills for Xi Mia 2 Class Students at SMA Negeri 11 Bengkulu City
Authors: Septoni D. , Martiani Martiani , Apriansyah D.
Published: May 2024

This study aims to improve the passing skills of futsal in students of grade XI MIA 2 SMA Negeri 11 of Bengkulu City by applying the variation drill method assisted by audiovisual media. The research subjects were students of grade XI MIA 2 SMA Negeri 11 of Bengkulu City. The research instrument was an observation sheet and a test sheet. Observational data analysis technique used qualitative analysis. The test data were analyzed using the formula for the average score and the percentage of classical learning completeness. The calculation results state that in the first cycle through the futsal passing test with an average score of 6.8 with a success rate of 32.14% and the percentage of the class through the observation sheet of 45.24% and in the second cycle through the futsal passing test with the acquisition The average score is 8.4 with a success rate of 85.71% and the percentage of the class through the observation sheet is 87.26%, which means that there is a significant increase in students' passing skills in the learning process. Thus, the application of the variation drill method assisted by audiovisual media in grade XI MIA 2 SMA Negeri 11 of Bengkulu City.
Implementation of SI-KEPPO Innovation to Increase Return Visits of Hypertension Patients at Public Health Center of Sobo, Banyuwangi
Authors: Sonontiko Sayekti Essy , Aminah Dewi , Kotimah Kusnul , Wijaya Dodi , Yulianingsih
Published: May 2024

The key to managing hypertension is regular control visits to the community health center or other health facilities. These visits are critical in monitoring response to treatment, adjusting therapy if necessary, and providing education and support to the patient. Low compliance of hypertension patients with re-visits or regular control can hinder the success of hypertension management and increase the risk of complications. The SI-KEPPO (Automatic Reminder Message Group System) innovation aims to provide an effective solution in managing and arranging re-visits or reminding individuals or groups of contact time automatically via text messages or other messages. This activity is a community service aimed at doctors, nurses, administration staff and counter staff. A direct training is carried out on computers owned by the Community Health Center so that deficiencies and advantages are detected in the existing facilities at the Community Health Center. The material presented is an introduction to the program or innovation by explaining the use of the innovation, the preparations made and the procedures for implementing it. There were 1 doctor, 4 nurses, 1 medical center administration staff, 1 operator staff, and 1 counter staff who participate in community service activities. All participants were very enthusiastic about this training and it could increase the number of repeat visits for hypertensive patients.
Especies de pseudomonas y sus perfiles de resistencia a los antibióticos en ecosistemas acuáticos del Ecuador
Authors: Andueza Félix , Araque Judith , Acuña Jessica , Escobar Jessica , González Marco , Escobar Sandra , Gonzalez Ana , Medina Gerardo
Published: May 2024

La presencia de bacterias resistentes a los antibióticos en el ambiente es un problema que se ha venido estudiando en los últimos años. Sin embargo, no siempre es el resultado del uso indiscriminado de estas sustancias en diversas actividades humanas, sino que puede obedecer a mecanismos naturales de adaptación, sobrevivencia y evolución que han desarrollado algunas especies bacterianas a lo largo del tiempo. El objetivo del presente trabajo fue conocer la biodiversidad de especies del género Pseudomonas y sus perfiles de resistencia a antibióticos en cepas aisladas del agua de lagos cratéricos volcánicos y manantiales de aguas mineromedicinales del Ecuador. Se analizaron un total de 32 muestras de agua del lago Quilotoa y 12 muestras de agua de balnearios mineromedicinales ecuatorianos. El aislamiento de las especies de Pseudomonas se realizó por la técnica de filtración en membrana, utilizando un volumen de muestra de 100 mL y el agar Cetrimide. Las cepas aisladas se identificaron siguiendo los esquemas de MacFaddin, complementadas con las pruebas bioquímicas de las galerías Microgen. El perfil de resistencia a los antibióticos se determinó por el método de difusión en placas de Kirby y Bauer interpretándose según el manual CLSI. Se identificaron 16 cepas de seis especies del género Pseudomonas. La mayoría de las cepas resultaron resistentes y multiresistentes a los antibióticos ensayados. Los resultados señalan que los ecosistemas acuáticos pueden ser un reservorio importante de genes y de bacterias resistentes a los antibióticos que deben ser estudiados y monitoreados.
Valor nutricional y propiedades tecnofuncionales de la harina del fruto completo del chachafruto (Erythrina edulis)
Authors: Vivas Odry , Vielma Rosa , Matheus Dalia , Rocco Valeria
Published: May 2024

Se evaluó el valor nutricional y las propiedades tecnofuncionales (capacidad de absorción de agua, capacidad de retención de aceite, capacidad emulsionante, capacidad gelificante y propiedades espumantes) de muestras de harinas obtenidas a partir del fruto completo (HFC) conformado por la vaina y el grano, y la harina del grano (HG) del chachafruto (Erythrina edulis), recolectadas en una unidad de producción agrícola ubicada en Jají, estado Mérida, Venezuela. Las harinas se obtuvieron mediante el secado del fruto completo y granos en estufa de convección a 45°C durante 18 horas, procesada en molino de cuchillas y tamizada a un tamaño de partícula de 0,42 mm. Para el análisis proximal de las harinas se aplicó la metodología de la AOAC. Como parte de la caracterización de las harinas, se realizó un análisis cualitativo de compuestos fitoquímicos. Los resultados indicaron que la HFC presentó un valor nutricional significativamente mayor a la HG, destacando el contenido de proteínas y minerales. Las propiedades tecnofuncionales también mostraron diferencias estadísticamente significativas, registrando los mayores valores de capacidad de absorción de agua y capacidad de retención de aceite en la HFC. El análisis fitoquímico mostró la presencia de alcaloides en ambas harinas y sólo fue positiva en esteroles, taninos y compuestos fenólicos en la HFC. El estudio demostró el potencial nutricional y de aplicación tecnofuncional del fruto completo de esta leguminosa, resaltando la importancia de maximizar el aprovechamiento del alimento reduciendo el desperdicio.
Actividad antioxidante, larvicida, acaricida y antimicrobiana de los extractos etanólicos de Piper marginatum y Piper tuberculatum de Ecuador
Authors: Moncayo Shirley , Rondón María , Cornejo Xavier
Published: May 2024

Piper marginatum y Piper tuberculatum son especies conocidas en Ecuador y Latinoamérica por sus distintos usos etnobotánicos, sin embargo, los extractos de estas especies del país no cuentan con análisis que justifiquen sus aplicaciones. El presente trabajo analizó la actividad antimicrobiana, antioxidante, acaricida y larvicida de extractos etanólicos de P. marginatum y P. tuberculatum colectados en el occidente del Ecuador. La actividad antioxidante se analizó mediante el método de captación del radical libre 2,2-difenil-1-picrilhidracilo (DPPH). La actividad larvicida se determinó frente al mosquito Aedes aegypti con el protocolo descrito por la Organización Mundial de la Salud (OMS). La capacidad acaricida se evaluó frente a la garrapata Rhipicephalus (Boophilus) microplus por la técnica de toxicidad por contacto. La actividad antimicrobiana fue determinada con el método de difusión en agar con discos frente a cepas de referencia. Ambos extractos alcanzaron un porcentaje de inhibición mayor a 70%. El extracto de P. tuberculatum obtuvo la mayor actividad larvicida y acaricida (CL50 de 16,51 ppm y 0,87 mg/mL respectivamente). El extracto de P. marginatum inhibió las cepas de Staphylococcus aureus (halos de inhibición de 13,70 mm y CIM 0,07 mg/mL) y Citrobacter freundii (halos de inhibición de 14,0 mm y CIM 0,63 mg/mL). Los extractos de P. marginatum y P. tuberculatum, podrían servir para el desarrollo de nuevos agentes biocidas y antioxidantes.
Assessment of Attitude, Knowledge and Prevention of Anemia in Pregnancy among Women Attending Antenatal Care in Udi LGA in Enugu State, Nigeria
Authors:   Department of Pharmacology, Faculty of Pharmaceutical Sciences, Enugu State University of Science and Technology, Agbani, Enugu state, Nigeria., Ozoani Harrison Anezi
Published: May 2024

This study evaluated the knowledge, attitude and preventive practices towards anemia among women attending ANC in Udi LGA, Enugu State. Anemia is one of the most common nutritional deficiency disorders affecting pregnant women in developing countries, including Nigeria. Anemia during pregnancy is commonly associated with poor pregnancy outcomes and can result in complications that threaten the life of both the mother and fetus. Specific objectives of this study are; to determine the knowledge level of women attending ANC in selected clinics in Udi LGA on anemia, to determine the attitude towards anemia among women attending ANC clinic and to evaluate the knowledge level on preventive measures against anemia among women attending ANC in Udi LGA. A questionnaire-based study was implored to obtain direct information from the respondents and a total of three hundred and eighty-seven (387) respondents were captured. The mean age of the respondents is 32 years. Those between the ages of 26-30 and 31-35 are the highest in number with the frequency of 100 (25.83). Majority of the respondents 159 (46.08) had tertiary education. The results showed that most of the respondents (74.0%) had a good knowledge of anemia in pregnancy. About, 19.2% had an average level of knowledge while 6.8% had a poor knowledge of anemia in pregnancy. It also showed that (59.5%) had a right or excellent attitude towards anemia in pregnancy. About, 27.7% had an average or fair attitude. More so, (75.7%) had an excellent preventive measure towards anemia during pregnancy. Therefore, this study shows that the majority of the respondents have good knowledge, the right attitude and preventive measures towards anemia during pregnancy. Thus more effort is encouraged in sensitization of the public.
Caracterización estomática de poblaciones de pasto Lobero [Muhlenbergia phleoides (Kunth) Columbus] en el estado de Chihuahua, México
Authors: Morales Nieto Carlos Raúl
Published: May 2024

El pasto Lobero es una especie nativa de gran importancia en zonas áridas y semiáridas del norte de México. Por tal motivo, el objetivo fue explorar y realizar una caracterización estomática en poblaciones de pasto Lobero del estado de Chihuahua. El experimento se realizó en la zona agrícola del poblado el Vallecillo en el municipio de Chihuahua, México. Se evaluaron 33 poblaciones en etapa fenológica madura. Las variables evaluadas fueron, densidad estomática (DE), densidad de tricomas (DT), índice estomático (IE), número de células epidérmicas (NC) y área estomática (AE) en la parte adaxial (Haz) y abaxial (Envés) de la hoja. Los datos se analizaron con un análisis de componentes principales (ACP), mediante la matriz de correlación y se realizó un análisis de agrupamiento por el método de ligamiento de Ward. El pasto Lobero es clasificado como anfiestomático por presentar una distribución estomática en ambas partes de la hoja. Por otra parte, presenta estomas de tipo Diacitico o cariofiláceo y tricomas unicelulares de forma papila y filiforme. Las poblaciones 3 y 25 procedentes de Santa Isabel y San Francisco del Oro, respectivamente, fueron las más sobresalientes al presentar alta densidad de estomas, células y tricomas en ambas caras de la hoja.

DOI: https://doi.org/10.54167/tch.v18i1.1376
Análisis semiótico de la protesta como narrativa mediática. A propósito del conflicto entre Israel y Palestina
Authors: Godínez Vázquez Aurora Cecilia
Published: May 2024

Este artículo plantea un acercamiento teórico desde la semiótica. Se busca analizar y complejizar en la comprensión de la protesta como una narrativa mediática. La atención recae en la construcción que se hace de la protesta como un hecho social específico, y a partir de evidencias discursivas que de un mismo hecho hicieron diversos medios en plataformas sociodigitales: las protestas de mexicanos en la embajada de Israel en la ciudad de México en octubre del 2023, la primera de ellas fue el 8 para manifestarse en contra del ataque de Hamás a Israel y la segunda el 13 de octubre contra el exterminio del pueblo palestino.
Battery health status assessment technology based on big data and artificial intelligence
Authors: Guo Fengyuan
Published: May 2024

A data-driven battery health status evaluation method based on electrochemical models, big data, and mathematical statistics is proposed in this paper to address the issues of long cycle, low efficiency, and high cost in current battery health status detection. This detection method in this study first calculates the Soc-power parameters of the vehicle series based on the log data of valid orders in the history of the vehicle series. Then, combined with the data of each order, the initial evaluation capacity of the order is calculated. Next, an anomaly detection algorithm is used to exclude abnormal orders from the vehicle within the past 60 days. The average of the initial evaluation capacity of the order is used to obtain the final evaluation capacity of the order. Finally, a sliding average is used to obtain the evaluation capacity of the battery, divide the evaluated capacity by the nominal capacity to obtain the battery health status. Based on this technology, the current health status of the battery can be quickly and accurately obtained, while reducing the detection cost and cycle, allowing for real-time detection of the battery's health status.
Applying different nanomaterials to improve the performance of lithium-ion batteries
Authors: Li Yuxuan
Published: May 2024

Due to their superior qualities, lithium-ion batteries (LIBs) have lately taken the top spot among rechargeable secondary batteries. To achieve the increasing demand for electricity in the related industries, its improvement and development are in full swing, especially the nanomaterials have become an important direction of improvement because of their special structure matching with charging-discharging mechanisms. This paper focuses on the application of nanomaterials in the LIBs. It briefly introduces carbon-based and silicon-based nanomaterials, metal (alloy), metal oxide (sulfide), MOFs nanomaterials, and Mxenes in lithium-ion batteries and lithium-sulfur batteries by reviewing the pertinent literature from recent years. including the reasons for their application, the application mechanism and the effectiveness of their improvement. It has been discovered that nanoparticles have numerous and intricate uses in the LIBs. It is hoped that this study can provide new ideas for the structural design and functional modification of nanomaterials in battery applications in the future.
Detection and quantitation methods for -blockers
Authors: Dong Siyang
Published: May 2024

Beta-blockers, also known as -blockers, are a class of medications commonly prescribed to treat arrhythmias (Drugs such as Bisoprolol, metoprolol succinate), prevent secondary heart attacks, and sometimes manage hypertension. These drugs inhibit the activity of endogenous catecholaminesnamely epinephrine and norepinephrinewithin the sympathetic nervous system by targeting adrenergic beta-receptors. While some beta-blockers non-competitively block all beta-adrenergic receptors, others do so in a competitive manner. It is targeted at the beta receptor on the cell wall, selectively binds to the beta adrenergic receptor, antagonizes the excitatory effect of neurotransmitters and catecholamines on the beta receptor, and is mainly used in the treatment of hypertension, coronary heart disease, heart failure and other diseases, which can cause adverse reactions. Moreover, It may cause bradycardia, second degree type II and above atrioventricular block, bronchial asthma, and hypotension. Central nervous system adverse reactions, multiple dreams, hallucinations, insomnia, fatigue, vertigo and depression and other symptoms, especially high-fat soluble -blockers, easy to cross the blood-brain barrier to cause adverse reactions, such as propranolol. The commonly used -blockers in clinic include metoprolol, atenolol and ecolol. In the United States Food and Drug Administration (FDA) classification of drugs according to the degree of harm to pregnant women, most drugs are classified as class C or D.
Analysis of strategies for improving the application performance of perovskite solar cells
Authors: Song Kuoyu
Published: May 2024

Under the social background of energy shortage, climate change and environmental pollution, peoples demand for renewable energy is increasing. Solar energy is an important choice, but the problem of cost efficiency and low of traditional silicon solar cells has not been effectively solved. Perovskite solar cells (PSCs) were discovered in 2012 by researchers who overcame the conventional issues. The PSCs are made up of three layers of electrodes: a perovskite layer, an electron transport layer, and a hole transport layer. In-depth descriptions of the n-i-p and p-i-n structures are also provided. PSCs also have difficulties with environmental safety, dependability, and stability. Interface engineering is an important strategy, which can improve the performance and life of the battery by optimizing the energy level matching between various layers, defect passivation and carrier transport. With the progress of science and technology and the optimization of equipment, the problem of non-uniformity of perovskite layer on rigid non-planar surface can be significantly improved by using ultrasonic spraying technology. Through the optimization of the production process and composition configuration of PSCs, some related discussions are carried out, hoping to improve and help the scientific research project and some energy industries.
Application of nanotechnology in traditional Chinese medicine and current problems
Authors: Hao Puyuan
Published: May 2024

Following the development of nanotechnology, more attention has been paid to nanotechnology and its applications. Nanotechnology can be applied in various fields, and it has demonstrated outstanding performance in medical science. Applications in traditional Chinese medicine are able to promote the development of TCM. In this article, the application of nanotechnology in the traditional Chinese medicine in different fields as well as the preparation and processing methods of nano TCM have been introduced. What is more, the benefits it brings and existing problems have been given. The benefits of nanotechnology applications include helping to increase the bioavailability of drugs through different pathways, enhancing absorption and reducing toxicity of drugs. Some suggestions have also been made for future developments. This article will help to provide the innovative ideas and approaches for the future development of the traditional Chinese medicine, which may possibly combine the ancient wisdom and knowledge with modern technology.
Research status of colloidal gold detection technology in medicine
Authors: Chang Dongxuan , Ji Shiyu , Yang Haoyuan
Published: May 2024

The application of antigen testing is widely used in the diagnosis of COVID-19 and antigen tests have also been simplified for everyday use due to their convenience and operational capabilities. Colloidal gold nanoparticles are an important component in most antigen tests. This paper summarizes the principles and characteristics of colloidal gold nanoparticles mainly by reviewing a large amount of literature and also performs antigen testing and observes the development process, thus validating the theoretical aspects. In this paper, it was found that colloidal gold nanoparticles can react with viruses and produce visible results on immunochromatographic test paper. However, when the concentration of the virus is insufficient, visualization effect may not be discernible to the naked eye. This is the reason why antigen testing is not as accurate as nucleic acid testing. Therefore, antigen testing is more suitable for home-based daily testing. This article has helped to understand the role of colloidal gold nanoparticles in immunochromatographic test strips, which in turn aids in improving the accuracy of these test strips.
Comparison of nanomaterial Ag and nanomaterial TiO2 in food fields
Authors: Duan Shutong
Published: May 2024

With the development of society, nanotechnology is being used in all aspects of life. Con-cerns about the application and safety of nanotechnology in the food industry are also in-creasing. In this study, the hidden risks and benefits of nanotechnology in the food indus-try will be analyzed and discussed in depth. The main purpose of the study is to research the uses, benefits and drawbacks of two nanomaterials, Ag and TiO2, in the food sector. This paper initially discusses the use of Ag and TiO2 in three distinct food-related do-mains and the advantages and disadvantages of nanomaterials Ag and TiO2 in this field. Finally, the benefits and drawbacks of the two materials in three different sectors are con-trasted. According to the studys findings, each of the two nanoparticles has benefits over the other when it comes to fighting bacteria in food. The whitening qualities of TiO2 na-noparticles make them excellent food additives. For storing and preserving food, experts prefer to choose Ag nanoparticles. TiO2 nanoparticles may effectively destroy harmful germs in contact with food when exposed to ultraviolet light, enhancing food safety. Ac-cording to this study, scientists can further allay public concerns about nanoparticle tech-nology and increase the safety of using nanotechnology in food in the future.
Population analysis using GIS software tools A case study of Chengdu
Authors: Chen Yujie
Published: May 2024

Understanding how the population is distributed geographically helps governments and organizations allocate resources more efficiently. For example, they can allocate funds for infrastructure development, healthcare facilities, schools, and public services based on the population's concentration and distribution. City planners can use population distribution data to design cities and urban areas effectively. They consider factors like housing needs, transportation infrastructure, and zoning regulations based on the population's spatial distribution. This study takes Chengdu as an example, and the article analyzes the spatial structure distribution of the population in Chengdu in the last decade based on the census data of 2012, 2017, and 2021, using analysis methods such as population distribution structure index (PDSI), mean pointer center, and population center of gravity, combined with Geographic Information System (GIS) technology. According to the analysis, it can be concluded that the population distribution pattern in Chengdu has not changed much, but the city area has been expanded. Besides, the policy adjustment has a certain impact on the population center of gravity but not as much as other factors. At last, topography, transportation, and economic development all have an impact on the population distribution of Chengdu.
A Comparison of new and age-old approaches treating microplastics in the marine environment
Authors: Liu Ziyu
Published: May 2024

In recent years, microplastic pollution in the ocean has become a new environmental threat, posing a serious potential threat to marine ecology. Due to its high degradation resistance and bioaccumulation, it is an urgent and critical issue for the environment. Unfortunately, current technologies for removing, recycling, or degrading microplastics are not sufficient to eliminate them. The main sources of microplastics (MPs) in the ocean are ocean drift inputs, river inputs, fishing and shipping activities, microplastic emissions from human settlements, and atmospheric migration. Microplastics may pose a threat to marine life and affect the stability of marine ecosystems. Therefore, it is urgent to further study governance methods and analysis processes, and strengthen the source control of marine microplastic pollution. This study aims to analyze and discuss different methods for treating marine microplastics, analyze their respective advantages and limitations, and evaluate their feasibility and effectiveness in practical applications. The study ultimately emphasized the importance of effective management of marine microplastics, which is crucial for protecting marine ecosystems and human health. Through a comprehensive analysis of physical, chemical, and biological methods, this study provides valuable insights for marine environmental management and research institutions, thereby promoting the development and application of effective management technologies to achieve sustainable environmental outcomes.
Dendritic cell vaccines: A potentially effective strategy for the SARS-CoV-2 pandemic
Authors: Wang Yichun
Published: May 2024

The evolution of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) remains unpredictable, and there is an urgent need for new and effective vaccines to mitigate the pandemic at a time when traditional vaccines may not be sufficient to deal with SARS-CoV-2 variants everywhere. The dendritic cell (DC) vaccine, a novel cancer immunotherapy, has achieved good results in clinical trials alone or combination with other interventions. Due to its strong immune activation ability and the relevant targets found by existing studies, it is expected to become a new immunotherapy against SARS-CoV-2 infection. This article discusses the mechanism of dendritic cells in the immune system and its strategies in cancer treatment, as well as analyzes the role of dendritic cell vaccines in coping with SARS-CoV-2 infection, and compares the advantages and disadvantages of existing vaccine types, in order to explore the possibility of dendritic cell vaccines as an effective strategy against the SARS-CoV-2 pandemic.
Application of hyperbranched polysiloxanes in biomedical materials based on AIE polymer properties
Authors: Pang Yanyu
Published: May 2024

Hyperbranched polysiloxanes have recently gained attention as promising aggregation-induced emission (AIE) polymers in biomedical materials field, which shows extremely attractive application prospects. An overview of the synthesis and description of hyperbranched polysiloxanes is given in this research, as well as their applications in biomedical materials, including optical imaging, drug delivery, and biosensors. This research will also discuss the advantages and challenges of using hyperbranched polysiloxanes as AIE polymers in biomedical materials, highlighting their high fluorescence efficiency, biocompatibility, and stability under physiological conditions, as well as their limited solubility and difficulty in controlling molecular weight and branching structure. Hyperbranched polysiloxanes have the potential to have a substantial impact on the field of biomedicine through their use as AIE polymers in biomedical materials, resulting in the creation of innovative materials and new applications. In addition, this research can also promote the synthesis and modification of other functional materials in the biomedical field.
Research progress of carbon nanomaterials for lithium-ion battery anodes
Authors: Tsai Li-Jen
Published: May 2024

Lithium-ion batteries (LIBs), one of the most promising energy storage methods, have been widely used in portable electronic devices due to their excellent performance, including no memory effect, great safety performance, and high energy density. The performance of the negative electrode, an essential component of LIBs, has a significant impact on the metrics of the battery as a whole. However, LIBs built with traditional electrode materials have limited durability, inadequate energy and power densities, and high prices. The discovery of carbon nanoparticles enables the design of innovative energy storage materials suitable for LIBs. Its large specific surface area, short diffusion distance, high conductivity, and strong ion conductivity are just a few of the numerous distinguishing characteristics that make it a revolutionary form of carbon material. It has a wide range of application possibilities thanks to LIBs with high reversible capacity, high power density, prolonged cycle stability, and superior safety. The most recent developments in one-, two-, and three-dimensional carbon nanomaterials are reviewed in this article, along with their uses in LIBs. The difficulties and potential benefits of creating high-performance LIBs in the future utilizing carbon nanomaterials were highlighted.
Exploring the innovative practice of green organic agricultureTaking Malipo county as an example
Authors: Wu Yanrong
Published: May 2024

With the increasing emphasis on environmental protection and sustainable development, green organic agriculture has become an innovative practice to promote ecological protection and agricultural development. Using the methods of case investigation and data analysis, this study examines the current problems and obstacles facing conventional agriculture, and explores the innovative practice of green organic agriculture by taking Malipo County as an example. The aim of this paper is to analyze the development status and sustainability issues of the practice, explore strategies and measures to promote green organic agriculture in Malipo County, and provide a copy of the results of successful case studies of the practice for the wider region, as a way to emphasize the importance of the innovative practice of green organic agriculture in promoting sustainable development. A call is made for wider adoption of the successful implementation of green organic agriculture initiatives in the case study in other regions.
Analysis of energy-saving principles and development prospects of new energy vehicles
Authors: Dong Yilin
Published: May 2024

This paper mainly studies the basic principles and application development analysis of energy consumption saving of new energy vehicles in a general scope. It adopts basic comparative research methods to present the advantages and disadvantages of several types of automobiles with different principles and usage methods, taking pure electric vehicles(PEV), plug-in hybrid electric vehicles(PHEV), and Fuel cell electric vehicles (FCEV) as the objectives for research. The conclusion of the study is to explore the breadth and practicality of the prospect application of new energy vehicles. The significance of the research lies in the industry changes brought about by the application of new energy technology in the automotive field and the practical impact on the transformation of traditional methods. It also highlights the research limitations surrounding empirical data, the challenges of the adoption of new vehicles, and the scope of the authors literature research. The future research direction, is also pointed out based on the above three limitations.