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https://www.readbyqxmd.com/read/29724557/analysis-of-flexural-strength-and-contact-pressure-after-simulated-chairside-adjustment-of-pressed-lithium-disilicate-glass-ceramic
#1
Ali Ramadhan, Geoffrey A Thompson, Georgios Maroulakos, David Berzins
STATEMENT OF PROBLEM: Research evaluating load-to-failure of pressed lithium disilicate glass-ceramic (LDGC) with a clinically validated test after adjustment and repair procedures is scarce. PURPOSE: The purpose of this in vitro study was to investigate the effect of the simulated chairside adjustment of the intaglio surface of monolithic pressed LDGC and procedures intended to repair damage. MATERIAL AND METHODS: A total of 423 IPS e.max Press (Ivoclar Vivadent AG) disks (15 mm diameter, 1 mm height) were used in the study...
April 30, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29587873/population-genetics-analysis-of-phlebotomus-papatasi-sand-flies-from-egypt-and-jordan-based-on-mitochondrial-cytochrome-b-haplotypes
#2
Catherine M Flanley, Marcelo Ramalho-Ortigao, Iliano V Coutinho-Abreu, Rami Mukbel, Hanafi A Hanafi, Shabaan S El-Hossary, Emad El-Din Y Fawaz, David F Hoel, Alexander W Bray, Gwen Stayback, Douglas A Shoue, Shaden Kamhawi, Mehmet Karakuş, Kaouther Jaouadi, Mohammad Reza Yaghoobie-Ershadi, Andreas Krüger, Ahmad Amro, Mohamed Amin Kenawy, Mostafa Ramadhan Dokhan, Alon Warburg, Omar Hamarsheh, Mary Ann McDowell
BACKGROUND: Phlebotomus papatasi sand flies are major vectors of Leishmania major and phlebovirus infection in North Africa and across the Middle East to the Indian subcontinent. Population genetics is a valuable tool in understanding the level of genetic variability present in vector populations, vector competence, and the development of novel control strategies. This study investigated the genetic differentiation between P. papatasi populations in Egypt and Jordan that inhabit distinct ecotopes and compared this structure to P...
March 27, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29549613/climate-variability-and-dengue-hemorrhagic-fever-in-southeast-sulawesi-province-indonesia
#3
Ramadhan Tosepu, Kraichat Tantrakarnapa, Kanchana Nakhapakorn, Suwalee Worakhunpiset
To determine the association of climatic factors and dengue hemorrhagic fever and to develop the prediction approach of future dengue transmission. The study used totally monthly dengue hemorrhagic fever cases at Health Office Kendari, Southeast Sulawesi, Indonesia. Monthly meteorological data, consisting of temperature, rainfall, and humidity, was obtained from the Meteorology, Climatology and Geophysics Agency in Kendari district. All data analysis, including Spearman and Poisson distribution, was carried out in R Studio (version 3...
March 16, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29533970/wearable-smart-system-for-visually-impaired-people
#4
Ali Jasim Ramadhan
In this paper, we present a wearable smart system to help visually impaired persons (VIPs) walk by themselves through the streets, navigate in public places, and seek assistance. The main components of the system are a microcontroller board, various sensors, cellular communication and GPS modules, and a solar panel. The system employs a set of sensors to track the path and alert the user of obstacles in front of them. The user is alerted by a sound emitted through a buzzer and by vibrations on the wrist, which is helpful when the user has hearing loss or is in a noisy environment...
March 13, 2018: Sensors
https://www.readbyqxmd.com/read/29532769/natural-infection-of-phlebotomus-sergenti-by-leishmania-tropica-in-libya
#5
Mostafa Ramadhan Dokhan, Kaouther Jaouadi, Sadok Salem, Osama Zenbil, Jean Paul Gonzalez, Afif Ben Salah, Badreddin Bashir Annajar
Cutaneous leishmaniasis (CL) is a public health concern caused by Leishmania ( L. ) major and ( L. ) tropica in Libya. Information on sandfly vectors, as well as their associated Leishmania species, is of paramount importance because vector dispersion is one of the major factors responsible for pathogen dissemination. A number of 515 sandflies (275 males and 240 females) were collected during June-November 2012 using the CDC miniature light traps from Al Rabta, northwest of Libya. Two hundred and forty unfed females were identified; Phlebotomus ( Ph...
March 12, 2018: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29523212/development-of-polymorphic-est-microsatellite-markers-for-the-sand-fly-phlebotomus-papatasi-diptera-psychodidae
#6
Omar Hamarsheh, Mehmet Karakuş, Kifaya Azmi, Kaouther Jaouadi, Mohammad Reza Yaghoobi-Ershadi, Andreas Krüger, Ahmad Amro, Mohamed Amin Kenawy, Mostafa Ramadhan Dokhan, Ziad Abdeen, Mary Ann McDowell
BACKGROUND: Phlebotomus papatasi is a widely distributed sand fly species in different tropical and sub-tropical regions including the Middle East and North Africa. It is considered an important vector that transmits Leishmania major parasites, the causative agents of cutaneous leishmaniasis. The development of microsatellite markers for this sand fly vector is of high interest to understand its population structure and to monitor its geographic dispersal. RESULTS: Fourteen polymorphic microsatellite markers were developed with simple di-, tri- and tetra-nucleotide repeats...
March 9, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29462925/insufficient-fruit-and-vegetable-intake-in-a-low-and-middle-income-setting-a-population-based-survey-in-semi-urban-tanzania
#7
Beverly Msambichaka, Ikenna C Eze, Ramadhan Abdul, Salim Abdulla, Paul Klatser, Marcel Tanner, Ramaiya Kaushik, Eveline Geubbels, Nicole Probst-Hensch
A daily intake of 5 portions of fruit and vegetables (FV) is recommended for protection against non-communicable diseases (NCDs). Inadequate FV intake is a global problem but resource-poor countries like Tanzania are most deprived and constitute settings where little is known for informing public health interventions. This study aimed to describe the prevalence of inadequate FV intake, frequency of FV intake, portions of FV intake and their associations with socio-demographic/lifestyle factors in South-Eastern Tanzania...
February 16, 2018: Nutrients
https://www.readbyqxmd.com/read/29329320/atypical-e2f-functions-are-critical-for-pancreas-polyploidization
#8
Ramadhan B Matondo, Eva Moreno, Mathilda J M Toussaint, Peter C J Tooten, Saskia C van Essen, Elsbeth A van Liere, Sameh A Youssef, Laura Bongiovanni, Alain de Bruin
The presence of polyploid cells in the endocrine and exocrine pancreas has been reported for four decades. In rodents, pancreatic polyploidization is initiated after weaning and the number of polyploid cells increases with age. Surprisingly the molecular regulators and biological functions of polyploidization in the pancreas are still unknown. We discovered that atypical E2f activity is essential for polyploidization in the pancreas, using an inducible Cre/LoxP approach in new-born mice to delete ubiquitously the atypical E2f transcription factors, E2f7 and E2f8...
2018: PloS One
https://www.readbyqxmd.com/read/29183662/bisindolylmethane-thiosemicarbazides-as-potential-inhibitors-of-urease-synthesis-and-molecular-modeling-studies
#9
Muhammad Taha, Hayat Ullah, Laode Muhammad Ramadhan Al Muqarrabun, Muhammad Naseem Khan, Fazal Rahim, Norizan Ahmat, Muhammad Tariq Javid, Muhammad Ali, Khalid Mohammed Khan
Bisindolylmethane thiosemicarbazides 1-18 were synthesized, characterized by1 H NMR and ESI MS and evaluated for urease inhibitory potential. All analogs showed outstanding urease inhibitory potentials with IC50 values ranging between 0.14 ± 0.01 to 18.50 ± 0.90 μM when compared with the standard inhibitor thiourea having IC50 value 21.25 ± 0.90 μM. Among the series, analog 9 (0.14 ± 0.01 μM) with di-chloro substitution on phenyl ring was identified as the most potent inhibitor of urease...
January 1, 2018: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/29133042/synthesis-of-bis-indolylmethanes-as-new-potential-inhibitors-of-%C3%AE-glucuronidase-and-their-molecular-docking-studies
#10
Muhammad Taha, Hayat Ullah, Laode Muhammad Ramadhan Al Muqarrabun, Muhammad Naseem Khan, Fazal Rahim, Norizan Ahmat, Muhammad Ali, Shahnaz Perveen
Thirty-two (32) bis-indolylmethane-hydrazone hybrids 1-32 were synthesized and characterized by1 HNMR,13 CNNMR and HREI-MS. All compounds were evaluated in vitro for β-glucuronidase inhibitory potential. All analogs showed varying degree of β-glucuronidase inhibitory potential ranging from 0.10 ± 0.01 to 48.50 ± 1.10 μM when compared with the standard drug d-saccharic acid-1,4-lactone (IC50 value 48.30 ± 1.20 μM). Derivatives 1-32 showed the highest β-glucuronidase inhibitory potentials which is many folds better than the standard drug d-saccharic acid-1,4-lactone...
January 1, 2018: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29062360/humidity-is-an-ambient-parameter-to-development-of-zika-virus-an-indonesian-case
#11
Ramadhan Tosepu
No abstract text is available yet for this article.
June 2017: African Health Sciences
https://www.readbyqxmd.com/read/28920455/a-new-4-arylflavan-from-the-pericarps-of-horsfieldia-motleyi-displaying-dual-inhibition-against-%C3%AE-glucosidase-and-free-radicals
#12
Rico Ramadhan, Irawan Wijaya Kusuma, Rudianto Amirta, Wisuttaya Worawalai, Preecha Phuwapraisirisan
In search for effective antidiabetic agents that simultaneously inhibit α-glucosidase and scavenge free radicals, Horsfieldia motleyi showed promising bioactivity according to the proposed criteria. Bioassay-guided isolation of pericarp extract yielded a new 4-arylflavan named myristinin G (6), whose gross structure and absolute configuration were verified by 2D NMR and electronic circular dichorism (ECD). Myristinin G (6) concomitantly inhibited α-glucosidases (IC50 107.0 and 126.9 μM) and free radicals (SC50 54...
September 18, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28839322/breast-cancer-in-a-patient-with-kindlers-syndrome
#13
Itrat Mehdi, Bassim Jaffar Al Bahrani, Taha Mohsin Al Lawati, Zahid Al Mandhari, Fatima Ramadhan Al Lawati
Breast Cancer (BC) has associated risk factors and genetic factors like BRCA1, and BRCA2. Many benign and malignant disease processes are found concurrently with BC and believed to be additional risk factors like gall bladder stones (cholelithiasis), hypertension, diabetes mellitus, cerebrovascular lesions, arthritis, spine and spinal cord degenerative lesions, infertility, depression, sleep disturbances, obesity, autoimmune diseases (SLE), and thyroid diseases. There are some malignant disease associations like synchronous or metachronous ovarian, colonic and endometrial tumours with Breast cancer...
August 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28748803/serial-mri-scan-of-posterior-fossa-tumours-predict-patients-at-risk-of-developing-neurocognitive-impairment
#14
Ramadhan Othman, Kurdistan Gh Abdullah
Background: Brain tumours are the most common solid tumours in children. More than 50% of these tumours develop in the posterior cranial fossa. Long term survivors of posterior fossa tumours (PFT) suffer from neurocognitive and memory issues. We hypothesized that serial MRI scanning of brain would show differences in hippocampal and ACC volume change in PFT patients treated with and without chemo-radiotherapy. Material and Methods: Twelve patients (8 females and 4 males) underwent 76 serial MR imaging examinations before and during treatment for posterior fossa tumours...
July 27, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28548467/outcomes-of-trastuzumab-therapy-for-6-and-12-months-in-indonesian-national-health-insurance-system-clients-with-operable-her2-positive-breast-cancer
#15
Wirsma Arif Harahap, Ramadhan, Daan Khambri, Samuel Haryono, Ricvan Dana Nindrea
Objective: The aim of this study is to determine the outcome of trastuzumab therapy for 6 or 12 months in patients with HER2 positive operable breast cancer who followed the national health insurance system in Indonesia. Methods: Data were extracted from medical records of Dr. M Djamil General Hospital Padang and Dharmais Cancer Hospital/ National Cancer Center Jakarta for post-operative breast HER-2 positive cancer patients treated with trastuzumab for 6 or 12 months who had been followed up for at least 5 years (January 1st in 2010 until December 31st in 2015)...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28458498/the-appropriate-rainfall-to-development-of-zika-virus-an-indonesian-case
#16
Ramadhan Tosepu
No abstract text is available yet for this article.
January 2017: Ethiopian Journal of Health Sciences
https://www.readbyqxmd.com/read/28441790/eradicating-breast-cancer-longevity-impact-on-kuwaiti-women
#17
Muhammad Ali Al Ramadhan
Objective: To explore salient trends in incidence and mortality from breast cancer among Kuwaiti females and to quantify the number of years that could be saved if breast cancer deaths were eliminated. Methods: Appling life table technique, the paper constructs a bridged, multiple decrement and cancer-elimination life tables for Kuwaiti females. Data sources include Kuwait Cancer Control Center Registry along with vital statistics on mortality by age groups, nationality, and causes of death according to ICD-10 revision...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28418620/fast-and-highly-sensitive-ionic-polymer-gated-ws2-graphene-photodetectors
#18
Jake D Mehew, Selim Unal, Elias Torres Alonso, Gareth F Jones, Saad Fadhil Ramadhan, Monica F Craciun, Saverio Russo
The combination of graphene with semiconductor materials in heterostructure photodetectors enables amplified detection of femtowatt light signals using micrometer-scale electronic devices. Presently, long-lived charge traps limit the speed of such detectors, and impractical strategies, e.g., the use of large gate-voltage pulses, have been employed to achieve bandwidths suitable for applications such as video-frame-rate imaging. Here, atomically thin graphene-WS2 heterostructure photodetectors encapsulated in an ionic polymer are reported, which are uniquely able to operate at bandwidths up to 1...
April 18, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28193198/prevalence-of-intimate-partner-violence-and-abuse-and-associated-factors-among-women-enrolled-into-a-cluster-randomised-trial-in-northwestern-tanzania
#19
RANDOMIZED CONTROLLED TRIAL
Saidi Kapiga, Sheila Harvey, Abdul Khalie Muhammad, Heidi Stöckl, Gerry Mshana, Ramadhan Hashim, Christian Hansen, Shelley Lees, Charlotte Watts
BACKGROUND: Intimate partner violence (IPV) is recognised as an important public health and social problem, with far reaching consequences for women's physical and emotional health and social well-being. Furthermore, controlling behaviour by a partner has a similar impact on women's well-being, yet little is known about the prevalence of this type of behaviour and other related abuses in Tanzania and in other sub-Saharan African countries. METHODS: We conducted a cross-sectional study to determine the lifetime and past 12-month prevalence of physical and sexual IPV, economic abuse, emotional abuse and controlling behaviour among ever-partnered women in Mwanza, Tanzania...
February 14, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28173818/the-predictive-value-of-methylene-blue-dye-as-a-single-technique-in-breast-cancer-sentinel-node-biopsy-a-study-from-dharmais-cancer-hospital
#20
Bayu Brahma, Rizky Ifandriani Putri, Ramadhan Karsono, Bob Andinata, Walta Gautama, Lenny Sari, Samuel J Haryono
BACKGROUND: Axillary lymph node dissection (ALND) has been the standard treatment of breast cancer axillary staging in Indonesia. The limited facilities of radioisotope tracer and isosulfan or patent blue dye (PBD) have been the major obstacles to perform sentinel node biopsy (SNB) in our country. We studied the application of 1% methylene blue dye (MBD) alone for SNB to overcome the problem. METHODS: This prospective study enrolled 108 patients with suspicious malignant lesions or breast cancer stages I-III...
February 7, 2017: World Journal of Surgical Oncology
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