Recent developments in voltammetric and amperometric sensors for cysteine detection.

This review article aims to provide an overview of the recent advances in the voltammetric and amperometric sensing of cysteine (Cys). The introduction summarizes the important role of Cys as an essential amino acid, techniques for its sensing, and the utilization of electrochemical methods and chemically modified electrodes for its determination. The main section covers voltammetric and amperometric sensing of Cys based on glassy carbon electrodes, screen printed electrodes, and carbon paste electrodes, modified with various electrocatalytic materials.

Simplification of gold nanoparticle synthesis with low cytotoxicity using a greener approach: opening up new possibilities.

Gold nanoparticles (AuNPs) have diverse applications in the diagnosis and treatment of ailments. This study describes an extremely simplified synthesis of AuNPs using antioxidant-rich pollen extract as a local natural source. Ultraviolet-visible (UV-vis) spectroscopy, X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR) and transmission electron microscopy (TEM) were used to characterize the synthesized AuNPs; strong UV-vis absorption at 534 nm confirmed their formation, the XRD pattern showed the presence of a crystalline structure, and TEM images showed them to be spherical nanoparticles with an average size of 9.

Synthesis and characterization of bipyridine cobalt(ii) complex modified graphite screen printed electrode: an electrochemical sensor for simultaneous detection of acetaminophen and naproxen.

The new Co(ii) compound [Co(5,5'-dmbpy)(NCS)] (a1) was prepared by reacting Co(NO)·6HO, 5,5'-dimethyl-2,2'-bipyridine ligand, and Na(SCN). The nano-scale size of [Co(5,5'-dmbpy)(NCS)] (a1) was synthesized using sonochemical process. The size of the nanoparticles (a2) was ∼13 ± 2 nm.

New Horizon of Intervention in Congenital Heart Disease: AFR in a Complex Cyanotic Patient.

Double-inlet left ventricle (DILV) is the commonest form of the anatomic univentricular heart which has different ventriculoarterial connection; generally, the most prevalent type is DILV with the hypoplastic right ventricle on the left side. The disease is associated with several heart defects, and the treatment method is different based on the anatomy of the heart, but treatment methods are almost always palliative. In this paper, we described one adult patient with DILV and severe left AV (atrioventricular valve) stenosis who is managed with a novel palliative intervention; it means AFR (atrial flow regulator) device implantation for the first time.

A simple and sensitive approach for the electrochemical determination of amaranth by a Pd/GO nanomaterial-modified screen-printed electrode.

It is essential to develop easy-to-use sensors towards a better monitoring of food additives so that human health can be positively influenced. A type of critical food additive that is widely used in making soft drinks and diverse foodstuff is called amaranth. This study aimed at presenting a novel Pd/GO nanomaterial-modified screen-printed electrode (Pd/GO/SPE), which is responsible for providing a sensing interface during the process of specifying the electrochemical features of amaranth.

Incidence of adverse reaction in blood donation: a systematic review.

There are a lot of reports related to adverse reactions post blood donation. The present study is designed to investigate the incidence of adverse reactions in blood donation around the world. This research was conducted through searching databases such as PubMed, Web of Science, Scopus, EmBase, Ovid, as well as the specialized journal of TRANSFUSION without any time limit by using the keywords including "Adverse Event", "Adverse Effect", "Adverse Reaction", "Complication", "Side Effect", "Vasovagal Reaction", "Local Reaction", "General Reaction", "Allergic Reaction", "Blood Donor", and "Blood Donation".

Calcium carbonate nanowires: greener biosynthesis and their leishmanicidal activity.

The synthesis of inorganic rod shape nanostructures is important in chromatography, dentistry, and medical applications such as bone implants, and drug and gene delivery systems. Herein, calcium carbonate (CaCO) nanowires were synthesized using a plant extract and the ensuing nanoparticles were characterized by XRD, FESEM, and HR-TEM. Then, the leishmanicidal effects of biogenic calcium carbonate nanowires were investigated against including the toxicity of varying concentrations of nanoparticles, and the percentage of viable and apoptotic cells based on flow cytometry analysis.

Recent developments in conducting polymers: applications for electrochemistry.

Scientists have categorized conductive polymers as materials having strongly reversible redox behavior and uncommon combined features of plastics and metal. Because of their multifunctional characteristics, , simplistic synthesis, acceptable environmental stability, beneficial optical, electronic, and mechanical features, researchers have largely considered them for diverse applications. Therefore, their capability of catalyzing several electrode reactions has been introduced as one of their significant features.

Comparison of myocardial deformation indices during rest and after activity in untreated hyperthyroid patients with normal population.

Background: Thyroid hormones play an essential role on the cardiovascular system. Also, thyroid diseases have a prominent adverse effect on myocardial and vascular functions. Therefore, the aim of this study was to compare myocardial deformation indices during resting and after activity between the untreated hyperthyroid patients and normal population.

Parental coping with childhood cancer and its relationship with self-construal: A survey in southeast Iran.

Background: Childhood cancer is a major challenge for parapets. Parents are one of the main sources of emotional support for their child, but their ability to provide proper care during their child's illness and treatment depends entirely on the way they manage to cope with diagnosis and its outcomes. Parents' coping pattern seems to be affected by their perception of themselves or their surroundings.

Recent developments in electrochemical sensors for detecting hydrazine with different modified electrodes.

The detection of hydrazine (HZ) is an important application in analytical chemistry. There have been recent advancements in using electrochemical detection for HZ. Electrochemical detection for HZ offers many advantages, , high sensitivity, selectivity, speed, low investment and running cost, and low laboriousness.

Metallic SPIONP/AgNP synthesis using a novel natural source and their antifungal activities.

The green synthesis of nanoparticles (NPs) is important because of the favorable potential of plant biomolecules involved in the synthesis of NPs. This study aimed to provide a fast, easy, cheap, and environmentally friendly method for the synthesis of superparamagnetic iron oxide NPs (SPIONP) and silver nanoparticles (AgNPs) using and an evaluation of their use as antifungal agents against and . The physicochemical properties of AgNPs and SPIONPs were studied using FESEM, HRTEM, XRD, VSM, UV-Vis, and EDX spectroscopy.

The synthesis, characterization, DNA/BSA/HSA interactions, molecular modeling, antibacterial properties, and cytotoxic activities of novel parent and niosome nano-encapsulated Ho(iii) complexes.

Based on the importance of metal-centered complexes that can interact with DNA, this research focused on the synthesis of a new Ho(iii) complex. This complex was isolated and characterized elemental analysis, and FT-IR, fluorescence, and UV-vis spectroscopy. Additional confirmation of the Ho(iii) complex structure was obtained single-crystal X-ray diffraction.

Developments and applications of nanomaterial-based carbon paste electrodes.

This review summarizes the progress that has been made in the past ten years in the field of electrochemical sensing using nanomaterial-based carbon paste electrodes. Following an introduction into the field, a first large section covers sensors for biological species and pharmaceutical compounds (with subsections on sensors for antioxidants, catecholamines and amino acids). The next section covers sensors for environmental pollutants (with subsections on sensors for pesticides and heavy metal ions).

Applications of nano-materials in diverse dentistry regimes.

Research and development in the applied sciences at the atomic or molecular level is the order of the day under the domain of nanotechnology or nano-science with enormous influence on nearly all areas of human health and activities comprising diverse medical fields such as pharmacological studies, clinical diagnoses, and supplementary immune system. The field of nano-dentistry has emerged due to the assorted dental applications of nano-technology. This review provides a brief introduction to the general nanotechnology field and a comprehensive overview of the synthesis features and dental uses of nano-materials including current innovations and future expectations with general comments on the latest advancements in the mechanisms and the most significant toxicological dimensions.

Carbon and graphene quantum dots: a review on syntheses, characterization, biological and sensing applications for neurotransmitter determination.

Neuro-transmitters have been considered to be essential biochemical molecules, which monitor physiological and behavioral function in the peripheral and central nervous systems. Thus, it is of high pharmaceutical and biological significance to analyze neuro-transmitters in the biological samples. So far, researchers have devised a lot of techniques for assaying these samples.

Fabrication of magnetic iron oxide-supported copper oxide nanoparticles (FeO/CuO): modified screen-printed electrode for electrochemical studies and detection of desipramine.

The present investigation examines a sensitive electrochemical technique to detect desipramine through FeO/CuO nanoparticles (NPs). FeO/CuO NPs were synthesized a coprecipitation procedure, and the products were characterized energy disperse spectroscopy, X-ray diffraction, transmission electron microscopy, scanning electron microscopy, and vibrating sample magnetometer. The voltage-current curve and differential pulse voltammetry examinations of FeO/CuO-modified screen-printed electrode (FeO/CuO/SPE) were followed by the determination of electro-catalytic activities toward desipramine oxidation in a phosphate buffer solution (pH = 7.

Direct electrochemical detection of clozapine by RuO nanoparticles-modified screen-printed electrode.

This study introduces the sensitive electrochemical detection of clozapine with the use of a ruthenium(iv) oxide nanoparticle (RuO NP)-modified screen-printed electrode (RuO NPs/SPE). The electrochemical behaviors of clozapine at RuO NP/SPE have been examined cyclic voltammetry (CV), differential pulse voltammetry (DPV) and chronoamperometry (CHA). According to the results, the modified electrode has been accompanied by a decreasing over-potential ( 170 mV) and enhancement in the peak current (3 times) in comparison with the bare SPE.

Effects of Baneh () Gum on Human Breast Cancer Cell Line (MCF-7) and Its Interaction with Anticancer Drug Doxorubicin.

is one of the species of that grows in the wild in different regions of Iran. Traditionally, family has antibacterial, fungicidal, and cytotoxic properties. Therefore, the present study was designed to investigate the possible cytotoxic and anti-proliferative properties of Baneh gum.

Latest Concepts in the Endodontic Management of Patients with Cardiovascular Disorders.

There are several cardiovascular interventions that need special considerations in the provision of treatments within the scope of endodontics. If these interventions are not carefully identified, diagnosed, and considered in the overall treatment plan for the patient, they may result in fatal conditions. These include hypertension that causes fatal cardiac disorders, such as angina pectoris, ischemic heart diseases, and myocardial infarction, and also cerebrovascular diseases; congestive heart failure; infective endocarditis, valvular diseases, and carrying pacemakers; and the use of antiplatelet and anticoagulant drugs that are commonly prescribed for patients who have experienced heart stroke.

A National Iranian Cochlear Implant Registry (ICIR): cochlear implanted recipient observational study.

Background And Objective: Patients who receive cochlear implants (CIs) constitutes a significant population in Iran. This population needs regular monitor on long-term outcomes, educational placement and quality of life. Currently, there is no national or regional registry on the long term outcomes of CI users in Iran.

Progesterone-primed ovarian stimulation in polycystic ovarian syndrome: An RCT.

Background: In vitro fertilization is an important therapy for women with polycystic ovarian syndrome (PCOS). The use of new ways of improving clinical results is yet required.

Objective: This study was aimed to investigate the efficacy of progesterone primed ovarian stimulation (PPOS) and compare with conventional antagonist protocol in PCOS.

Application of ANN modeling techniques in the prediction of the diameter of PCL/gelatin nanofibers in environmental and medical studies.

Prediction of the diameter of a nanofiber is very difficult, owing to complexity of the interactions of the parameters which have an impact on the diameter and the fact that there is no comprehensive method to predict the diameter of a nanofiber. Therefore, the aim of this study was to compare the multi-layer perceptron (MLP), radial basis function (RBF), and support vector machine (SVM) models to develop mathematical models for the diameter prediction of poly(ε-caprolactone) (PCL)/gelatin (Gt) nanofibers. Four parameters, namely, the weight ratio, applied voltage, injection rate, and distance, were considered as input data.

Impact of clinical factors on calorie and protein intakes during Icu stay in adults trauma patients: results from a prospective observational study.

Unlabelled: Propose: Nutritional requirements are often escalated following major trauma. Underfeeding and adverse outcomes were seen in critically ill trauma patients. The aim of the study was to quantify actual amount of calories and protein intakes, and extent to which those clinical factors may affect adequate intake.