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Researchers at Hong Kong University of Science and Technology have developed a conductive polymer nanocomposite that can be used to monitor levels of ascorbic acid. Ascorbic acid deficiency affects a significant portion of underdeveloped populations, and there is a growing demand for its monitoring. The nanocomposite, which is based on polyaniline, polystyrene sulfonate, and multi-walled carbon nanotubes, shows good ascorbic acid sensing characteristics and has the potential to support widespread and affordable monitoring of ascorbic acid deficiency. The research has been peer-reviewed and published in the Journal of The Electrochemical Society. [Extracted from the article]

A study conducted by the Institute of Combustion Problems in Almaty, Kazakhstan, explores the use of grass clippings as a sustainable source of cellulose for paper manufacturing. The researchers investigated the physical, mechanical, and structural characteristics of handmade paper samples derived from cellulose extracted from grass clippings using two different methods. They found that the tensile strength and folding endurance of the papers produced through alkali treatment with barium sulfate were superior to those produced from bleached pulp and barium sulfate. The study provides insights into the potential applications of cellulose derived from grass clippings in paper production. [Extracted from the article]

A recent study conducted by researchers at Shandong University of Technology in Zibo, China, has developed a new sensor platform for detecting hydrogen peroxide (H2O2). The researchers used a combination of polypyrrole and paper-derived carbon to create a non-enzymatic sensor that demonstrated high sensitivity and stability. The sensor's performance was attributed to the unique structure of the polypyrrole/paper-derived carbon composite, which prevented the self-dimerization of hemin, a key component of the sensor. This research has potential applications in various fields, including health and medicine. [Extracted from the article]

A study conducted at Yazd University in Iran has developed a new method for detecting breast cancer-derived exosomes using a flexible electrochemical paper-based device. Exosomes are biomarkers that are released by tumor cells and can be found in various biological fluids. The device, called Exo-sensing paper, is a three-electrode system that utilizes a nanocomposite of nickel nanofoam, graphene oxide, and gold nanoparticles to increase antibody loading on the sensor surface. The device has a wide linear range of detection and shows potential for use as a point-of-care testing tool for minimally invasive liquid biopsy. [Extracted from the article]

A recent study conducted at Tarbiat Modares University in Tehran, Iran, has developed a new method for creating paper-based conducting molecularly imprinted polymer (CMIP) films. These films can be used as recognition elements in sensors and selective absorbers in separation methods. The researchers synthesized a CMIP film based on polypyrrole and an anionic drug as a template, which was then used in electrochemically assisted solid phase microextraction (EC-SPME) and as a recognition element in a flexible drug-selective sensor. The paper-based CMIPs were found to be efficient, selective, flexible, and cost-effective materials for analytical devices. [Extracted from the article]

A patent application has been filed for a method and tool to emboss biodegradable paper for cigarette filters. The invention aims to provide an environmentally friendly alternative to non-biodegradable filters. The embossed paper improves filtration and adjusts the draft of the cigarette. The method involves using embossing rollers to create crimping lines and chimney structures on the paper, which remains open during manufacturing. The paper is made from biodegradable fibers randomly distributed for air permeability and filtration. The application provides detailed claims and descriptions of the method and materials used. [Extracted from the article]

Researchers at the National University Tucuman in Argentina have developed a simple and promising paper-based electrochemical platform for the serological detection of American tegumentary leishmaniasis (ATL). The platform, made from Whatman N1 paper, uses specific crude extracts antigens for ATL immuno-determination. The researchers tested the platform using serum samples from previously diagnosed patients and found that it was able to distinguish between ATL and non-ATL cases. This technology could provide a low-cost, portable, and environmentally friendly method for diagnosing and managing leishmaniasis. [Extracted from the article]

A report from researchers at the University of Naples discusses the detection and elimination of paracetamol in wastewaters. Paracetamol, a commonly used analgesic and antipyretic drug, has been found in high concentrations in water streams in many European countries, posing a potential source of water pollution. The researchers developed a paper-based 2D fluidic configuration that can detect paracetamol in environmental matrices without complex analytical procedures. The device showed promise for simple, fast, sensitive, and sustainable detection of paracetamol as an emerging contaminant in the environment. [Extracted from the article]

Researchers at Jamia Hamdard in New Delhi, India, have developed a 3D-printed wearable biosensor for detecting the drug ketamine. The biosensor, which can be customized and incorporated with various sensor types, offers a more accurate and convenient method for monitoring ketamine levels. The researchers created a 3D-printed paper-based wearable aptasensor that showed a low limit of detection and promising results in detecting ketamine. This technology has the potential to revolutionize personalized healthcare and ensure the safe and effective usage of ketamine. [Extracted from the article]

Researchers from Xuzhou Medical University in Jiangsu, China have developed a multiplex paper-based electrochemical immunosensor for the simultaneous monitoring of blood biomarkers in Alzheimer's disease (AD). The sensor allows for the detection of beta-amyloid protein (A beta) and Fetuin B, both of which are correlated with AD progression. The sensor demonstrated high specificity, sensitivity, and stability, and successfully determined A beta and Fetuin B levels in serum and brain tissue of transgenic AD mice. This research may contribute to the exploration of more AD-related blood markers. [Extracted from the article]

A recent report from Chulalongkorn University in Bangkok, Thailand discusses new research findings on wound infections. The study proposes a simple and portable 3D origami-fluidic paper-based electrochemical sensor for detecting myeloperoxidase (MPO) activity in wound exudate samples. The device utilizes an origami pattern to manipulate the flow and allow for electrochemical reactions on the electrode surface. The researchers found that the device can detect MPO activity in a range of 0.5-5 U/ml and can differentiate between infected and non-infected wounds. This device shows promise for rapid and portable MPO activity detection in resource-limited settings. [Extracted from the article]

The article presents a new paper electrochemical immunosensor for rapid and efficient screening of the heart failure biomarker Galectin-3. Topics include the sensor's design using gold nanostructures and paper material for enhanced electrochemical activity, its ability to measure Galectin-3 in saliva samples with high accuracy and reproducibility, and its potential for cost-effective point-of-care diagnostics in heart failure.

A recent report from Jamia Hamdard in New Delhi, India, discusses the development of a paper-based aptasensor for the detection of all serotypes of the Dengue virus (DENV). The aptasensor is simple, low-cost, reproducible, and disposable, making it suitable for point-of-care diagnostic applications. The research team used a three-electrode system with a silver/zinc nanocomposite as the working electrode and employed aptamers to enhance the sensor's functioning. The aptasensor demonstrated a broad linear range of 0.1-1000 μg/ml for the DENV virus, with a limit of detection of 0.1 μg/ml. This research provides a sensitive and cost-effective diagnostic tool for detecting multiple serotypes of DENV, particularly in rural areas with limited resources. [Extracted from the article]

Researchers at the University of Napoli have developed a paper-based electrochemical device for the early detection of integrin avb6 expressing tumors. Current technologies for tumor detection have limitations such as invasiveness, toxicity, inaccuracy, lengthy testing duration, and high cost. The biosensor developed in this study was able to recognize avb6-containing Small Extracellular Vesicles (S-EVs) derived from cancer cell lines, with a limit of detection of 0.7103 S-EVs/mL and a linear range up to 105 S-EVs/mL. This innovative diagnostic technique may provide a novel opportunity for the detection of avb6 expressing cancers. [Extracted from the article]

A recent report from King Mongkut's University of Technology Thonburi (KMUTT) in Bangkok, Thailand, discusses the development of two techniques for the determination of hydroquinone (HQ) in beverages. The first technique is a colorimetric detection method using 4-(dimethylamino) benzaldehyde with alkaline conditions, while the second technique involves a multi-walled carbon nanotube/graphene oxide/copper/palladium/platinum nanomaterial on a screen-printed carbon electrode. The research concludes that the proposed device is portable, inexpensive, and can be used to determine HQ in real samples. This research has been peer-reviewed and may be of interest to those studying nanotechnology and its applications in the food industry. [Extracted from the article]

New research conducted by the CSIR - Indian Institute of Toxicology Research in Uttar Pradesh, India, has developed a method for detecting the non-permitted dye 4-(dimethylamino)azobenzene (4-DMAAB) in food commodities. The researchers developed a spectrophotometric method as well as a point-of-test paper-based chromogenic strip and an electrochemical sensor for detecting 4-DMAAB. These methods have the potential to be used by consumers, the food industry, and regulatory agencies for on-site analysis and ensuring the quality of edible oils. The research was supported by the Council of Scientific and Industrial Research, India. [Extracted from the article]

A recent study conducted by researchers at Jamia Hamdard in New Delhi, India, has developed a 3D printed cassette integrated with a paper-based aptasensor for the detection of the dengue virus. The cassette, called '3DP-PAC', consists of an electrode cassette printed from a non-conductive filament and a chemically synthesized GO/ZnO-NC that increases the sensor's sensitivity. The aptasensor demonstrated selectivity for the dengue virus and performed well in human serum. This research opens up possibilities for the development of next-generation electrochemical biosensors using 3D printing technology for healthcare applications. [Extracted from the article]

A study conducted by Southwest Medical University analyzed the research trends and hotspots related to e-cigarette or vaping product use associated lung injury (EVALI) from 2013 to 2022. The study found that the number of publications on EVALI increased over time, with a significant increase in 2020. The United States was the most active country in terms of research, and the University of California system had the highest number of publications. The study also highlighted the focus on the mechanisms of various chemicals in e-cigarettes and the heating elements that cause lung damage. However, the pathophysiology of EVALI remains unclear, and the researchers encourage more Chinese scholars to participate in this field. [Extracted from the article]

A patent application has been submitted for a method of rapidly detecting pesticides in agricultural products using thin-layer chromatography (TLC) and enzyme inhibition principles. The current mainstream method for detecting pesticides is the enzyme inhibition method, but it has limitations in terms of extraction efficiency and accuracy. The new method combines TLC with enzyme inhibition to overcome these limitations and improve the efficiency and accuracy of pesticide residue detection. The method involves cutting a TLC plate into a rectangle, using one end to contact a sample extract for pesticide residue separation, and covering the other end with filter paper or glass fiber for pesticide enrichment. The method shows promise in reducing interference from pigments and other substances in agricultural product samples. [Extracted from the article]

A patent application titled "Press Device For Smoking Material And Related Method" has been published online. The device is designed to shape and pack smoking material into a thin, rectangular shape that can be easily rolled into a cigarette or other smoking apparatus. The device includes a packing mold, a packing stamp, and a tray, and allows the user to compress the smoking material into a brick of desired shape and density. The invention aims to provide a quick and efficient method of preparing smoking material for rolling, resulting in a consistent and evenly packed smoking apparatus. [Extracted from the article]

Researchers from Pusan National University in South Korea have developed a versatile electrochemical biosensor chip for the simple and quantitative point-of-care testing of proteases. The chip consists of a reaction well, micropatterned electrodes, and target protease-dependent filter paper. The biosensor chips successfully detected three proteases: thrombin, leucine aminopeptidase (LAP), and the 3CL protease from the coronavirus SARS-CoV-2. The detection limits for these proteases were approximately 100 pg/mL for thrombin, 100 pg/mL for Mpro in artificial saliva, and 8 U/L for LAP in human serum. This research has been peer-reviewed. [Extracted from the article]

Researchers from Abu Dhabi University have conducted a study on stress corrosion cracking (SCC) under harsh environmental conditions. The study highlights the challenges in accurately predicting material degradation and remaining service life due to the complex interplay of mechanical, chemical, and electrochemical factors. The researchers emphasize the need for comprehensive review papers that consolidate current knowledge and advancements in prognosis methods. The paper covers various prognosis methods, including non-destructive testing, electrochemical techniques, numerical modeling, and machine learning. The study aims to serve as a valuable resource for researchers and practitioners working in the field to develop effective strategies for mitigating SCC and ensuring material integrity in challenging environments. [Extracted from the article]

A new report from researchers at Jamia Hamdard in New Delhi, India, discusses the development of a paper-based origami biosensor for the detection of dengue virus antigens. The researchers synthesized gold-decorated nanocomposites of zinc and graphene oxide and coupled them with an aptamer to create an origami-based aptasensor. The biosensor demonstrated good sensitivity and specificity in detecting polyvalent antigens of the dengue virus in human serum. The researchers believe that this affordable and efficient biosensor could be used for point-of-care testing in remote areas and underdeveloped countries, as well as during outbreaks. [Extracted from the article]

The article discusses the global market for biocatalysts and provides an in-depth analysis of the industry. Biocatalysts are increasingly being used in various sectors, such as pharmaceuticals, agrochemicals, and fine chemicals, to meet sustainability goals. The report covers different types of biocatalysts, including enzymes, microorganisms, and engineered biocatalysts, and their applications in sectors like food and beverage, pharmaceuticals, chemicals, textiles, paper and pulp, and biofuels. Biocatalysts offer advantages such as high reaction specificity, mild reaction conditions, and reduced use of toxic reagents. The article also includes information on emerging technologies and innovations in biocatalysis, market analysis, and profiles of key players in the industry. [Extracted from the article]

A recent study conducted by researchers at Spiru Haret University explores the impact of oxidative stress on the gastric mucosa in animals. The study investigates the effects of drinking water with a pH of 4 and undergoing water immersion for 30 minutes, three times a day. The results show an increase in lipid peroxidation indicators, as well as a decrease in total glutathione and superoxide dismutase levels. This research provides valuable insights into the biochemical modifications of gastric mucosa under oxidative stress. For more information, readers can refer to the article "Biochemical Modifications of Gastric Mucosa in Oxidative Stress" published in Scientific Papers Animal Science and Biotechnologies. [Extracted from the article]

A recent study conducted by researchers from the Romanian Academy explores the concept of zootechnical sciences in the context of sustainable development. The study highlights the historical development of zootechnical sciences and their relevance in the 21st century knowledge society. The authors discuss the integration of zootechnical sciences within the broader fields of biosciences and life sciences, providing concrete examples and evidence. The research also presents a new paradigm of integrated eco-bio-economic engineering, which aims to increase bio-food resources and address global food crises. For more information, readers can refer to the article "The Sustainable Development of Zootechnical Sciences in the Context of Life Sciences and the Perspectives of Zootechnical Engineers in the Innovative Concept of Eco-Bio-Economic Engineering" published in Scientific Papers Animal Science and Biotechnologies. [Extracted from the article]

The article focuses on a patent application for "Broad Spectrum Detection Kits" designed to enhance drug detection capabilities. Topics include improving upon current test kits with non-hazardous, low-cost materials, developing a portable and easy-to-use design, and ensuring effective identification of a wide range of drugs, such as amphetamines and fentanyl analogues.

The Journal of the American Chemical Society has published an invited perspective by Dr. Saer Samanipour and his team on the challenge of mapping all the chemicals in our environment. Dr. Samanipour argues that current strategies for chemical management are not sufficient and advocates for the use of machine learning and AI to detect and identify all the molecules we are exposed to. The paper discusses the limitations of current analytical methods and suggests ways to improve results, including intensifying data mining efforts and using AI to understand the structure and scope of the exposome chemical space. Dr. Samanipour acknowledges the complexity of the task but emphasizes the importance of facing it and taking the first steps towards understanding and managing the vast chemical universe. [Extracted from the article]

Researchers from Jamia Hamdard in New Delhi, India have developed an electrochemical paper-based analytical device (ePAD) for detecting the recreational drug ketamine. The ePAD utilizes nanographite sheets (NGSs) to amplify signals generated in the cyclic voltammetry system when ketamine is present. The sensor showed a low limit of detection (LOD) of 0.01 mg/mL and a linear range of 0.01 to 5 mg/mL. This cost-effective and portable platform offers sensitivity and selectivity and can be used for point-of-care testing and quick identification of suspicious samples. [Extracted from the article]

A recent study conducted by researchers at George Mason University found that endocrine-disrupting chemicals are present in menstrual products such as tampons, pads, and liners. These chemicals can interfere with human hormones and potentially lead to gynecological conditions like endometriosis and uterine fibroids. The study reviewed 15 papers published between 2013 and 2023, which tested menstrual products in the U.S., Japan, and South Korea. The researchers also highlighted the need for more research on newly popular products like menstrual cups and discs. This study is particularly relevant in light of the Robin Danielson Menstrual Product and Intimate Care Product Safety Act of 2023, which aims to investigate the risks associated with chemicals in menstrual products. [Extracted from the article]

The global food crisis caused by population growth and declining food productivity due to climate change has led to the need for sustainable and nutritious food options. The Korea Advanced Institute of Science and Technology (KAIST) has proposed microbial food production as a solution. Microbial food, produced using microorganisms, contains a high amount of protein and emits less carbon dioxide compared to traditional livestock and crops. The researchers discuss various strategies and raw materials for producing microbial food in a sustainable way, highlighting the potential for a future where microbial foods are commonly consumed for their nutritional value and taste. [Extracted from the article]

A recent research paper from the Indian Institute of Engineering Science & Technology in West Bengal, India, explores various physicochemical methods for disinfecting contaminated surfaces to control the spread of infectious diseases. The paper discusses methods such as applying chemicals, UV-based processes, ionization radiation, self-disinfecting surfaces, no-touch room disinfection, and robotic disinfection. The use of UVC light combined with hydrogen peroxide has shown to be efficient and faster than other methods. The research concludes that surface disinfection using chemicals and UV radiation methods has been widely reported in the literature. [Extracted from the article]

A patent has been issued for a mass spectrometry ionization-based assay that can detect enzyme activity and/or presence. The apparatus includes a spray material, a sample containing specific enzymes, a solvent to hydrate the sample and extract analytes of interest, an enzyme substrate, a power supply to create charged droplets of the analytes, and a mass spectrometer to identify the analytes and determine the presence of enzymes. The spray material can be porous or solid, and the solvent can be a single or multi-solvent. The method can be used with various samples such as blood, urine, and plasma. The patent was filed in October 2021 and published in February 2024. [Extracted from the article]

A report from Persian Gulf University in Bushehr, Iran discusses the use of nanoparticles to alter the wettability of gas condensate reservoirs. The researchers propose that modifying the surface of the reservoir rock can effectively mitigate condensate blockage and its associated challenges. The paper reviews the processes involved in wettability alteration, discusses commonly used chemicals, and explores the use of nanoparticles and fluorochemicals as wettability alteration agents. The research also includes molecular dynamic simulations and addresses the challenges of molecular modeling methods. The findings suggest the promising use of nanoparticles and fluoro materials to enhance hydrocarbon recovery in gas condensate reservoirs. [Extracted from the article]

A study conducted by the University of Surrey has found that the composition of gut bacteria in Thoroughbred racehorses at one month old can predict their future athletic performance. Foals with lower bacterial diversity at 28 days old were also found to have a significantly increased risk of respiratory disease later in life. The study analyzed 438 fecal samples from 52 foals and tracked their health issues and athletic performance from birth to age three. The researchers discovered that higher bacterial diversity at one month old was associated with better athletic performance, and receiving antibiotics during the first month of life was linked to lower bacterial diversity and poorer performance. The study highlights the importance of gut health in racehorses and the need for responsible antibiotic use. [Extracted from the article]

Keymed Biosciences has announced the publication of a research paper in the New England Journal of Medicine, detailing the safety and efficacy results of CM313 for the treatment of primary immune thrombocytopenia (ITP). The study, conducted by Lei Zhang/Renchi Yang's team from the Institute of Hematology, Chinese Academy of Medical Sciences, involved 22 adult patients with primary ITP. The results showed that 95.5% of patients achieved a platelet count of =50 x 109/L during the 8-week treatment period, with a median cumulative response duration of 23 weeks. CM313 demonstrated rapid and sustained efficacy in ITP patients who had previously received multiple therapies and was well-tolerated. CM313 is a humanized monoclonal antibody targeting CD38 and has shown promising results in previous studies for other conditions. [Extracted from the article]

A recent study conducted by researchers from the State University of New York (SUNY) Binghamton has found that over 65% of bacterial infections are caused by biofilms, but there are currently no standard biofilm susceptibility tests available for clinical use. The researchers developed a paper-based culture platform that allows for rapid microbial biofilm formation and a combined electrical-electrochemical technique to monitor bacterial metabolism and measure antibiotic efficacy against biofilm-associated infections. The results of this study have the potential to revolutionize public healthcare by providing actionable healthcare information at a reduced cost. The research has been peer-reviewed and more information can be obtained from the State University of New York (SUNY) Binghamton. [Extracted from the article]

A team of researchers from Columbia Engineering has published a paper in the journal Joule detailing how nuclear magnetic resonance spectroscopy can be used to design the anode surface in lithium metal batteries. This technique allows for unique insight into the structure of these surfaces, which can help accelerate the design of safer and higher-performance batteries. Lithium metal batteries have the potential to revolutionize electrified modes of transportation, but commercializing them has been challenging due to the reactivity of lithium metal and the development of a passivation layer. The researchers believe that combining multiple techniques, such as NMR, microscopy, computer simulations, and electrochemical methods, will be necessary to advance the development of lithium metal batteries. [Extracted from the article]