by Kevin T Ong

Received: 15 May 2018;  Published: 03 September 2018;  doi: 10.21926/obm.geriatr.1803011

Amyloid positron emission tomography (PET), fluorodeoxyglucose (FDG) PET, and magnetic resonance imaging (MRI) are three modalities in the imaging of Alzheimer’s disease (AD). This article reviews the experience and data obtained from AD research using these techniques to understand the natural history of AD and to enhance therapeutic trials. It is now realised that their use can improve early detection of AD, and has opened a new corridor which may lead toward successful treatment.

by Alhayat Getu Temesgen  , Ömer Fırat Turşucular  and Elif Dicle Turşucular

Received: 12 December 2023;  Published: 15 March 2024;  doi: 10.21926/rpm.2401008

This mini-compilation study included the chemical structure, mechanical, thermal, and dimensional properties of silk fiber, its production process, pre-treatment, and biomedical applications from various experimental studies, which are compiled and summarized. The silk fiber should have a degumming process before using biomedical applications. The 25% concentration for Na2CO3 in ethanol solution (80%) as a coagulant chemical with a salt such as LiB2 (9 M) at a temperature of 98°C for 45 minutes at pH between 6 [...]

by Shehab Mohamed  , Davide Tosi  , Sara Pieropan  , Andrea Cara  , Giovanni Caffarena  , Giorgio Alberto Croci  and Lorenzo Rosso

Received: 01 July 2020;  Published: 21 December 2020;  doi: 10.21926/obm.transplant.2004129

Pulmonary transplantation (LuTx) is established as a treatment option for patients with end-stage lung diseases, such as chronic obstructive pulmonary disease, cystic fibrosis, interstitial lung disease, and pulmonary arterial hypertension. Acute rejection and infection are implicated as potential risk factors in developing complications such as bronchiolitis obliterans syndrome (BOS) and chronic rejection, leading to high morbidity and mortality rates after the LuTx. Thus, surveillance procedures after transplanta [...]

by Robert B. Diller  , Robert G. Audet  , Mediha Gurel  , Eric E. Lee  , Aaron J. Tabor  , Peter McFetridge  and Robert S. Kellar

Received: 25 September 2019;  Published: 09 June 2020;  doi: 10.21926/obm.transplant.2002112

Mesenchymal Stromal/Stem Cells (MSCs) were originally discovered in the 1970s. MSCs are considered a multipotent population that retain tri-lineage differentiation. These cells can be sourced from a variety of tissues, including bone marrow, adipose, molar pulp, and birth tissues. Historically varying definitions of MSCs have existed, but in 2006, the International Society for Cellular Therapy (ISCT) set forth a standardized, minimal criteria for MSCs, including plastic adherence, differentiation into osteoblasts, [...]

by Anya Ahmed  , Paula Ormandy  and Maaike L. Seekles

Received: 15 November 2018;  Published: 24 January 2019;  doi: 10.21926/obm.geriatr.1901030

Background: Promoting a good quality of life for the oldest members of society has become a top priority as evidenced in UK policy. The ‘household’ model is a departure from traditional approaches to care provision since it offers person-centred support - combing health and social care - to older people in specially-designed, small, homelike environments. Having gained increasing popularity in care homes across developed countries, the impact of this model of service delivery on residents’ quality of life and its c [...]

by Selin Galatalı  , Damla Ekin Özkaya  , Taner Mercan  and Ergun Kaya

Received: 27 July 2023;  Published: 19 October 2023;  doi: 10.21926/obm.genet.2304198

In the face of rapid population growth worldwide, humanity's need for plant and animal products is increasing. In this regard, the organizations in charge of production make production and consumption forecasts for the future and try to accelerate the work aimed at increasing production. There are various ways of increasing production. The first of these is the improvement of cultivation techniques, the expansion of irrigated agricultural areas, and the effective control of diseases and pests. The second is to find [...]

by Manal Al-Eid  , Lianhui Ding  , Donya Sewdan  , Emad N. AL-Shafei  , Rasha Al-Ghamdi  , Abdulaziz Alqarawi  and Essa Al naimi

Received: 13 August 2022;  Published: 17 October 2022;  doi: 10.21926/cr.2204035

Parent ZSM-5 and Ga-modified ZSM-5 catalysts with different Si/Al ratios and particle sizes were prepared. The physicochemical properties of the prepared catalysts were investigated by performing X-ray powder diffraction analysis, BET surface area analysis, and NH3-TPD analysis. The performance of the aromatization reaction of the prepared catalysts was evaluated with 1-hexane as a model compound. The zeolite catalysts with a low SiO2/Al2O3 ratio possessed better activity than those with a high SiO2/Al2O3 ratio. Ga [...]

by Babkir Ali

Received: 23 May 2019;  Published: 23 July 2019;  doi: 10.21926/jept.1903001

This paper is intended to evaluate the economic viability of producing solar photovoltaic modules in Sudan. The simple payback period and the net present value were used as economic indicators to study comparatively different annual production capacities. Initial and operating costs were developed and analyzed for the product lifecycle. The number of working shifts in the base case is doubled to achieve a production rate of 20 MW/year and double shift with double quantity of machines is executed to reach a producti [...]

by Victoria Rendell  , Natalie M. Bath  and Todd V. Brennan

Received: 09 May 2019;  Published: 10 March 2020;  doi: 10.21926/obm.transplant.2001104

Brazilian-born British biologist Dr. Peter Medawar played an integral role in developing the concepts of immunologic rejection and tolerance, which led to him receiving the Nobel Prize “for the discovery of acquired immunologic tolerance” and eventually made organ transplantation a reality. However, at the time of his early work in tolerance, a paradox to his theories was brought to his attention; how was pregnancy possible? Pregnancy resembles organ transplantation in that the fetus, possessing paterna [...]

by Marie Jardine  , Anna Miles  and Jacqui Allen

Received: 07 November 2020;  Published: 25 December 2020;  doi: 10.21926/obm.geriatr.2004146

Generalisations and misconceptions about ageing and swallowing can influence clinical opinion. Assumptions about swallowing function based on someone’s age risk overmedicalising or, conversely, undertreating older patients. Evidence suggests that increased prevalence of swallowing problems in older age is attributed to pathology known to affect swallowing function, or an unrelated serious illness and combination of health factors, and not ageing itself. This review highlights factors clinicians should consider when [...]

by Hanny Tanasal  , Iline Michaela  and Retno Danarti

Received: 28 October 2024;  Published: 08 January 2025;  doi: 10.21926/obm.genet.2501281

Harlequin ichthyosis (HI) is among the most severe hereditary skin conditions of autosomal recessive congenital ichthyosis (ARCI) in newborns, associated with a mutation of the ABCA12 gene. Patients have a typical clinical appearance at birth. A thick layer of armor-like scales covers the entire body. Affected newborns have abnormal facial features, such as ectropion, eclabium, and ears and nose flattening. Although HI was formerly assumed to be fatal, more intensive neonatal care and early retinoid therapy may imp [...]

by Livia Maria Surdi  , Maribel Dagher  , Tamara Merhej  , John Choi  and Jamil R. Azzi

Received: 17 April 2025;  Published: 10 September 2025;  doi: 10.21926/obm.transplant.2503258

Antibody-mediated rejection (ABMR) remains a major barrier to long-term graft survival in kidney transplantation. Defined by the presence of donor-specific antibodies (DSAs) and characteristic histological changes, such as C4d deposition in peritubular capillaries, ABMR can present acutely, chronically, or subclinically, often manifesting as graft dysfunction. Recent advances in genomic profiling and diagnostic assays have improved our understanding of its pathophysiology, yet therapeutic strategies remain limited. [...]

by Yulia Salamatova  and Andreja Packard

Received: 24 June 2021;  Published: 20 December 2021;  doi: 10.21926/obm.neurobiol.2104111

Circadian rhythms are 24-hour cycles of physical, mental, and behavioral changes regulated and maintained by the internal primary circadian clock, however modifiable by a number of external cues or “zeitgebers”, the most powerful one being light. Core set of clock genes regulate the whole-body metabolism and transcription of over 40% of mammalian RNA, including that for drug transporters, binding and metabolizing proteins responsible for regulation of pharmacokinetics of vast array of medications. Growing amount of [...]

by CT Valliappan  , J Joyson Joe Asir  , V Subashri  , V Vaishnavi  and I Anand Sherwood

Received: 28 December 2020;  Published: 27 April 2021;  doi: 10.21926/rpm.2102014

Furcal perforation management in root canal retreatment is often challenging as the outcome of the perforation sealing depends on several parameters. The recent introduction of several bioactive cements and magnification systems has made the sealing of perforations easier and the outcome more predictable. This study highlights the clinical outcomes of furcal perforation management in root canal retreatment using biodentine.

by Zena Aldridge  and Karen Harrison Dening

Received: 19 September 2019;  Published: 18 October 2019;  doi: 10.21926/obm.geriatr.1904081

The population of the United Kingdom is ageing. In 2017 approximately 18% of the UK population were aged 65 years or over and projected to grow to almost 21% by 2027 according to the Office of National Statistics. Increased age is the greatest risk factor for developing dementia. It is estimated that there are 850,000 people living with dementia in the UK and if current figures relating to incidence and prevalence are realised, this will increase to 1 million people by 2025 and 2 million by 2051. The National Healt [...]

by Gopalakrishnan Loganathan  , Michael G. Hughes  , Gregory L. Szot  , Kate E. Smith  , Abid Hussain  , Daniel R. Collins  , Michael L. Green  , Francis E. Dwulet  , Stuart K. Williams  , Klearchos K. Papas  , Robert C. McCarthy  and Appakalai N. Balamurugan

Received: 29 March 2019;  Published: 24 May 2019;  doi: 10.21926/obm.transplant.1902064

Background: Purified bacterial collagenase and protease enzymes are commonly used to recover human islets from clinical grade pancreata for subsequent clinical islet transplantation. The high cost of purified enzymes can be prohibitive for recovering human islets from research pancreata used for translational research or pre-clinical studies. In this study, we successfully isolated islets from human research pancreata using enriched collagenase products supplemented with BP Protease (DE Collagenase 800 or Collagena [...]

by Fernando Cabo  and Isaac Aguaristi

Received: 01 September 2019;  Published: 05 March 2020;  doi: 10.21926/obm.icm.2001013

Several manual bodywork therapies that originated in Asia are related to the theory and practice of acupuncture and Traditional Chinese Medicine (TCM). One of the aims of these therapies is to stimulate specific points on the body called acupoints which are the same points in which needles are inserted in acupuncture. These manual therapies, however, vary in their interpretation and explanation of the theories of TCM, and even more so, in the practical way the stimulation is applied. The aim of this paper is to cla [...]

by Ibrahim Nahit Sendur  , Büsra Köksoy  and Yasemin H. Balaban

Received: 11 November 2024;  Published: 01 April 2025;  doi: 10.21926/obm.transplant.2502244

Cytomegalovirus (CMV) remains a significant cause of morbidity and mortality in solid organ transplant (SOT) recipients. Despite advancements in prophylaxis and antiviral therapy, CMV continues to pose clinical challenges in transplant medicine. This review provides a comprehensive overview of CMV, exploring its pathophysiology, epidemiology, and clinical presentation in SOT patients, in whom CMV infection can lead to direct organ involvement and systemic symptoms. Additionally, CMV has indirect effects, including [...]

by Sahar M Afeef  , Laura A Barrett  , Julia K Zakrzewski-Fruer  and Keith Tolfrey

Received: 30 March 2022;  Published: 15 August 2022;  doi: 10.21926/rpn.2203020

Exercise-induced moderation of postprandial glycaemia in adolescents is unclear and has not been examined under free-living conditions. We assessed the effect of moderate-intensity exercise (MIE) and high-intensity intermittent exercise (HIIE) bouts on subsequent postprandial glycaemic responses across three standard school days. Fourteen healthy adolescents (13 ± 1 years) completed three conditions in the following order across consecutive days: MIE, 30-min continuous brisk walking; CON, no-exercise control; HIIE, [...]

by Matthew Whalley  and Deborah Lee

Received: 15 August 2023;  Published: 30 November 2023;  doi: 10.21926/obm.icm.2304058

Post-traumatic stress disorder (PTSD) often involves feeling-states of shame and self-loathing. Traditional exposure-based treatments, which are effective for fear-based PTSD, are sometimes limited in effectiveness when working with these emotional experiences: clients with high levels of shame, guilt, or disgust may experience ‘blocks’ in processing when attempting eye movement desensitization and reprocessing (EMDR). Developed to help people who suffer from pervasive shame and self-attack, compassion focused ther [...]

by Maria Neve Ombra  , Filomena Nazzaro  and Florinda Fratianni

Received: 30 March 2023;  Published: 07 June 2023;  doi: 10.21926/rpn.2302008

Edible wild plants are a largely available food at no cost and an emblem of sustainability. Among the numerous varieties of edible wild plants, purslane (Portulaca oleracea L.) and common mallow (Malva sylvestris L.) are good sources of healthful bioactive compounds. Therefore, there is a growing interest in their consumption for health-related nutritional and sustainable perspectives. Fresh durum wheat tagliatelle fortified with dried and pulverized leaves of mallow or purslane at two distinct percentages of integ [...]

by Nancy Poirier  , Serge Beaulieu  , Sybille Saury  and Sonia Goulet

Received: 24 July 2018;  Published: 05 November 2018;  doi: 10.21926/obm.icm.1804028

Background: This study investigated variations in psychic and somatic anxiety during and after completion of MBCT compared to baseline in patients diagnosed with BD. Secondary variables considered were sleep quality and quality of life, as well as depressive and manic symptoms. Methods: HAMD-29, HAMD-7 and YMRS were administered at baseline (n=34), and every two weeks until the end of the eight-week program. PSQI (n=22) and Q-LES-Q-SF (n=29) were also administered at pre, mid- and post- MBCT assessments. Results: T [...]

by Laura S. Kabiri  , Amanda M. Perkins-Ball  , Cassandra S. Diep  , Uma Kelavkar  and Augusto X. Rodriguez

Received: 17 December 2021;  Published: 15 March 2022;  doi: 10.21926/rpn.2201009

Most children do not meet physical activity guidelines, and school-based programs often fail to increase physical activity levels. However, there has been no intervention pairing college mentors with elementary students to date. The purpose of this paper is to report the feasibility and acceptability, both quantitative and qualitative, of an undergraduate-mentored running program designed to increase physical activity in elementary students. A convergent parallel mixed methods design was used to evaluate the feasib [...]

by Tom Deweerdt  and Anais Fabre

Received: 13 May 2022;  Published: 26 August 2022;  doi: 10.21926/aeer.2203033

With the growing urbanisation phenomenon, ambitious policy interventions are needed to limit transport-related greenhouse gas emissions in urban areas. Cities are a predominant source of pollution, with urban transport contributing significantly to emissions. To address climate change, decision-makers must implement appropriate and effective mitigation instruments. This literature review focuses on the different approaches and supporting measures of urban transport land-use planning, such as mixed-used zoning plans [...]

by James Farag  and Silvana Marasco

Received: 13 February 2019;  Published: 08 April 2019;  doi: 10.21926/obm.transplant.1902060

Left ventricular assist devices (LVADs) improve quality of life in end-stage heart failure patients but a frequent complication is Right heart failure (RHF) causing significant morbidity and mortality. This review article discusses key issues that need to be considered in the assessment and clinical management of RHF in LVAD patients including the use of Right Ventricle (RV) support devices and off-label LVADs as temporary or permanent RV support.