Detection of butane and propane gases via CN sensors: first principles modeling.

Gas sensing is a critical research area in aerospace, military, medical, and industrial environments, as it helps prevent risks to human health and the environment caused by toxic gases. Propane and butane, commonly used as fuels in household and industrial settings, are toxic and flammable gases that need to be effectively detected to avoid leakage or explosion accidents. To address this, nanomaterial-based gas sensors are being developed with low power consumption and operating temperatures.

Intravenous immunoglobulin-resistant Kawasaki disease: Risk factors in children in a middle-income country.

Background: Identifying risk factors in patients with intravenous immunoglobulin (IVIG) resistance Kawasaki disease (KD) is vital in managing and preventing coronary artery aneurysms (CAAs). We aimed to study the risk factors for IVIG resistance KD in Malaysian children.

Methods: This retrospective observational study of children with KD was conducted at two tertiary hospitals in Malaysia from January 2014 to December 2019.

Evaluating a novel patient pathway to manage symptomatic breast referrals (the blue flag clinic): a longitudinal observational study.

Introduction: A novel referral pathway for exhibited breast symptom (EBS) referrals to manage increasing referrals of urgent suspected cancer (USC) was implemented in our trust. We report on the safety and effect on compliance with the 2-week-wait rule (2WW).

Methods: A single-centre longitudinal observational study included all patients referred to a UK breast unit during 13 May 2019 to 27 March 2020 (period 1) and 8 February 2021 to 31 January 2022 (period 2).

When It's Not Pancreatitis, Don't Brush It Off: A Case Report of Small Bowel Perforation Caused by a Grill Brush Bristle Masquerading As Pancreatitis.

Injuries caused by grill brush bristle ingestion have been documented in the literature, but most existing literature focuses on consumer safety and increasing public awareness of potential injuries. Small bowel perforation is a serious complication and often difficult to diagnose since symptoms are frequently nonspecific and bristle localization can be challenging. We highlight a case where a diagnosis of acute pancreatitis was initially made by computerized tomography (CT) imaging but was later determined to be small bowel perforation with magnetic resonance imaging (MRI).

Barriers and facilitators of access to maternal, newborn and child health services during the first wave of COVID-19 pandemic in Nigeria: findings from a qualitative study.

Background: COVID-19 pandemic may have affected the utilization of maternal and newborn child health services in Nigeria but the extent, directions, contextual factors at all the levels of healthcare service delivery in Nigeria is yet to be fully explored. The objective of the study was to explore the barriers and facilitators of access to MNCH services during the first wave of COVID-19 pandemic in Nigeria.

Methods: A qualitative study was conducted among different stakeholder groups in 18 public health facilities in Nigeria between May and July,2020.

Impact of COVID-19 on utilization of maternal, newborn and child health services in Nigeria: protocol for a country-level mixed-methods study.

Battling with COVID-19 and providing essential services along the continuum of care could be challenging. This study will evaluate the impact of COVID-19 on utilization of maternal, newborn and child health (MNCH) services in Nigeria and explore the barriers being experienced by women and their families in getting access to MNCH services, as well as other contextual factors that may have shaped the utilization of MNCH services during the COVID-19 pandemic. The study will adopt an observational mixed-methods study design involving 18 health care facilities delivering MNCH services in six selected states across six geopolitical zones of Nigeria.

Bedside testing of CYP2C19 vs. conventional clopidogrel treatment to guide antiplatelet therapy in ST-segment elevation myocardial infarction patients.

Background: ST-segment elevation myocardial infarction (STEMI) patients are treated with dual antiplatelet therapy comprising aspirin and a P2Y inhibitor. Clopidogrel is widely used in these patients in several areas worldwide, such as Middle East, but is associated to sub-optimal platelet inhibition in up to 1/3 of treated patients. We investigated a CYP2C19 genotype-guided strategy to select the optimal P2Y inhibitor.

Soils of the Southern Syria - A big database for the future land management planning.

As non-renewable natural resources, restoring Syrian soil quality is a vital issue for sustainable future planning after conflict ends. The data provided in this research exhibit features and physiochemical properties for soils from the southern part of Syria until the Jordanian border, which can provide decision-makers with sufficient information for rehabilitation stage after conflict in a regional scale. The data were collected from 107 representative soil profiles covering diverse agroecosystems throughout the area (i.

Bedside testing of CYP2C19 gene for treatment of patients with PCI with antiplatelet therapy.

Background: To mitigate the risk of stent thrombosis, patients treated by percutaneous coronary intervention (PCI) are administered dual anti-platelet therapy comprising aspirin and a platelet P2Y receptor inhibitor. Clopidogrel is a prodrug requiring activation by the cytochrome P450 enzyme, CYP2C19. In Saudi Arabia, it has been reported that approximately 26% of the population carries CYP2C19*2 and/or *3 loss-of-function polymorphisms in addition to a high prevalence of CVD.

Dataset on the Mediterranean soils from the coastal region of the Lattakia governorate, Syria.

Soil survey is indispensable for land-use planning in any agro-ecosystem, particularly in coastal ecosystems because they often face several environmental problems such as flooding and water pollution, leading to soil degradation. The data given in this article revealing the common soil types and substantial taxonomy levels in the coastal region of Lattakia, Syria which is a key question for the land-use planning in the region. Data from 30 representative soil profiles and 60 auger points covering different agroecosystems within the Mediterranean coastal region of the Lattakia governorate, Syria were studied.

Dataset on the existence of andisols under aridic-hyperthermic environments in the harrats region of the Arabian Shield.

The data from twelve representative soil profiles on six harrats (two profiles from each Harrat) within the Arabian Shield are presented, including full morphological descriptions made during the field the soil survey. A number of selected physicochemical and mineralogical analyses were also conducted in the laboratory and the data were interpreted to examine the possibility of the presence of andic/vitric soil properties in the studied soils, and thus the existence of Andisols in the harrats soils. The existence of andic/vitric properties in soils is not typical of regions characterized by aridic and hyperthermic soil moisture and temperature regimes, respectively, and is probably due to the influence of paleoclimatic conditions.

Hepatoid Adenocarcinoma of the Duodenum: An Unusual Location.

Hepatoid adenocarcinoma (HAC) is a rare extrahepatic tumor distinguished by having both hepatoid and adenomatous features, which can make the diagnosis challenging. Although it mostly originates in the stomach, several other sites of origin have been reported. We report a case of HAC originating in the duodenum, a very unusual location.

An overview of bleaching techniques: 2. Night guard vital bleaching and non-vital bleaching.

Night Guard Vital Bleaching (NGVB) or dentist-monitored bleaching technique is probably the most widely used bleaching technique because of its relative ease of use, low cost, safety and high success rate. There are many non-vital bleaching techniques available, all of which have one thing in common, usually a successful result in the procedure returning the discoloured tooth to its original colour and beyond that when required. This article will give an overview of various home bleaching techniques: materials and regimens used, bleaching procedure and treatment of side-effects.

Surface and pulp chamber temperature rises during tooth bleaching using a diode laser: a study in vitro.

Objective: To measure the surface and pulp chamber temperature increases in vitro on upper and lower anterior teeth during a tooth whitening procedure using a diode laser.

Method: A thermocouple was used to measure the temperature increase on the surface of an extracted upper central incisor tooth. Pulp chamber temperature readings were made on upper and lower central incisors, lateral incisors and canines.

Tooth bleaching by different concentrations of carbamide peroxide and hydrogen peroxide whitening strips: an in vitro study.

Objective: To investigate the tooth whitening effects of various concentrations of carbamide peroxide (CP) gels and 6% hydrogen peroxide (HP) whitening strips used on an intrinsic, in vitro stain model in a simulated home-applied bleaching protocol.

Method: Extracted third molars were sectioned and stained to Vita shade C4 using a standardized tea solution. Stained specimens were then bleached with 10, 15, 20, 22, and 30% CP gels applied in custom-made trays for 8-hour sessions for 14 days.

An overview of tooth discoloration: extrinsic, intrinsic and internalized stains.

The causes of tooth discoloration are varied and complex but are usually classified as being either intrinsic, extrinsic or internalized in nature. Dietary chromogens and other external elements deposit on the tooth surface or within the pellicle layer either directly or indirectly to form extrinsic discoloration. Stains within the dentine or intrinsic discoloration often results from systemic or pulpal origin, while internalized stains are the result of extrinsic stains entering the dentine via tooth defects such as cracks on the tooth surface.

Comparison of three in-office bleaching systems based on 35% hydrogen peroxide with different light activators.

Purpose: To compare in vitro the bleaching effects obtained with and without the use of the various lights on power bleaching systems.

Methods: 19 groups of five tooth specimens were prepared and allocated randomly to treatments. Only specimens with shade C4 were accepted for the study.

Surface and intra-pulpal temperature rises during tooth bleaching: an in vitro study.

Objective: To measure the surface and intra-pulpal temperature increases in vitro on upper and lower anterior teeth during tooth whitening procedures.

Method: A thermocouple was used to measure the temperature increase on the surface of an extracted upper central incisor tooth. Intra-pulpal temperature readings were made on upper and lower central incisors, lateral incisors and canines.

An overview of the use of lasers in general dental practice: 2. Laser wavelengths, soft and hard tissue clinical applications.

Unlabelled: The profession now benefits from many different laser wavelengths that enable their use in nearly every dental specialty. This article will cover these wavelengths and their uses for soft and hard tissue procedures.

Clinical Relevance: There are many laser wavelengths available but their use within dentistry is quite tissue specific.

An overview of the use of lasers in general dental practice: 1. Laser physics and tissue interactions.

High tech dentistry now involves the routine use of lasers in general dental practice for various procedures once thought only possible with the conventional dental drill or scalpel. In 1990, the first dental laser, the dLase 300 (American Dental Lasers, Corpus Christi,TX 78405 USA), was introduced to the profession. There are now many different types of laser used in dentistry using a variety of wavelengths.

An overview of bleaching techniques: 3. In-surgery or power bleaching.

The use of in-surgery bleaching techniques has increased recently within the profession following the introduction of various new systems. Many dentists and patients alike prefer the in-surgery procedures to lighten teeth as it takes the responsibility for the procedure firmly away from the patient to the dentist; a situation with which both sides may be more comfortable. This article will review various in-surgery or power bleaching procedures.