Article
Chemistry, Physical
Badri P. Mainali, Dhruba K. Pattadar, Francis P. Zamborini
Summary: The oxidation resistance of gold nanoparticles has a unique reverse size dependence for thiolate-coated nanoparticles, where the extent of oxidation increases with size, opposite to weakly stabilized or bare gold nanoparticles.
JOURNAL OF PHYSICAL CHEMISTRY C
(2021)
Article
Multidisciplinary Sciences
W. Dirk Sikkema, Andrew J. Cal, Upul I. Hathwaik, William J. Orts, Charles C. Lee
Summary: This study aimed to produce medium chain length PHAs using consistent culture media and a wide range of alkanoic acids (C7-C14) with three strains of Pseudomonas putida. Significant differences were observed in PHA titers when longer chain feedstocks were used, with KT2440 and its derivative GN112 showing higher production compared to B-14875. The study also emphasized the importance of considering different analytical techniques and their potential impact on PHA concentration calculations.
Article
Business, Finance
Ugochi C. Okoroafor, Thomas Leirvik
Summary: This study examines the hedge and safe-haven possibilities with bitcoin, gold, and crude oil across different equity markets, considering the presence of time-varying market inefficiency. The findings show that periods of market inefficiency positively affect the role of bitcoin, gold, and crude oil as hedge assets in the equity markets of various countries. Additionally, it emphasizes the significance of market efficiency as a market microstructure feature and contributes to the discussion on factors influencing the functioning of safe-haven assets.
FINANCE RESEARCH LETTERS
(2023)
Article
Chemistry, Applied
Subhasis Mahari, Akanksha Roberts, Sonu Gandhi
Summary: A novel electrochemical biosensor integrated with gold nanorods was used to explore the interaction between antibodies and Salmonella in this study, leading to the development of a method to detect Salmonella in meat and milk samples. The method has a long shelf life, good repeatability, and reproducibility, making it a potential alternative to conventional analytical approaches.
Article
Chemistry, Analytical
Akanksha Roberts, Subhasis Mahari, Deepshikha Shahdeo, Sonu Gandhi
Summary: A novel immunosensor for detecting the spike protein of the coronavirus was reported, showing high sensitivity and stability under optimized conditions for detecting very low levels of the virus protein in standard buffer. This immunosensor could serve as a rapid, specific, and sensitive diagnostic tool for detecting traces of the coronavirus spike antigen in clinical samples.
ANALYTICA CHIMICA ACTA
(2021)
Article
Materials Science, Coatings & Films
Kun-An Chiu, Pin-Hsun Wu, Wei-Lin Wang, Lin-Lung Wei, Jr-Sheng Tian, Chun-Yen Peng, Yue-Han Wu, Li Chang
Summary: This study investigates the homoepitaxial growth of (111)-oriented diamond films on Au-coated and Ni-coated diamond substrates using microwave plasma chemical vapor deposition (CVD). The results show that Au and Ni islands are in epitaxy with the diamond substrate, and no diamond growth occurs on top of those islands in the early stage of diamond deposition. The overgrowth of diamond over the metal islands results in a continuous film with a lower defect density.
SURFACE & COATINGS TECHNOLOGY
(2022)
Article
Nanoscience & Nanotechnology
Tae Hyeong Kim, Hyeji Kim, Hyo Jun Jang, Nara Lee, Kwang Hyun Nam, Dae-won Chung, Seunghyun Lee
Summary: In this study, silver-coated copper powder was modified with alkanethiols of different alkyl chain lengths to enhance its thermal stability and prepare electrically conductive films. It was found that films containing alkanethiol-modified Ag/Cu powders showed superior thermal stability compared to films with untreated Ag/Cu powder. Additionally, the longer the alkyl chain in the alkanethiol-modified Ag/Cu powder, the higher the initial resistance and the lower the increase in resistance under heat treatment.
Article
Biochemistry & Molecular Biology
Nian-Zhi Li, Chen-Hsu Yu, Jhuan-Yu Wu, Shing-Jong Huang, Shou-Ling Huang, Richard P. Cheng
Summary: Cross-strand interactions between glutamate and arginine analogs with varying side-chain lengths were studied in beta-hairpin peptides using nuclear magnetic resonance methods. The fraction folded population trends could be explained by the strand propensity of the constituting residues, but this was not the case for peptides with lysine analogs. The diagonal ion-pairing interaction energetics were derived using double-mutant cycle analysis.
Article
Construction & Building Technology
Muhammet Gokhan Altun, Suleyman Ozen, Ali Mardani, Kambiz Ramyar
Summary: This study investigated the effect of the main chain length of polycarboxylate-based water-reducing admixture (WRA) on the properties of mortar mixtures containing fly ash. Three WRAs with different main chain lengths were used. Increasing the main chain length improved the flow properties of the mixtures up to a certain level, but beyond that, it had a negative effect. The molecular weight of the admixtures was adjusted by changing the main chain length, and the admixture with a molecular weight of 48 kg/mol showed the best performance in terms of mortar fresh properties. The length of the main chain did not significantly affect compressive strength and water absorption of the mortar.
JOURNAL OF MATERIALS IN CIVIL ENGINEERING
(2023)
Article
Oncology
Wei Zhang, Aurelie Auguste, Xiaoyun Liao, Christian Walterskirchen, Kathrin Bauer, Yu-Hsi Lin, Ling Yang, Farzaneh Sayedian, Markus Fabits, Michael Bergmann, Carina Binder, Leticia Corrales, Anne B. Vogt, Lindsey J. Hudson, Martin P. Barnes, Arnima Bisht, Craig Giragossian, Vladimir Voynov, Paul J. Adam, Susanne Hipp
Summary: The study aims to develop a new treatment for advanced gastrointestinal cancers. The B7-H6/CD3 ITE showed potent antitumor activity by killing B7-H6-positive tumor cells and activating and proliferating T cells with cytokine secretion. Furthermore, it recruited T cells into tumor tissues and resulted in tumor regression. Further clinical studies are warranted to evaluate the effectiveness of this approach.
CLINICAL CANCER RESEARCH
(2022)
Article
Physics, Applied
Joonho Back, Vincent Rienzi, Matthew S. Wong, Hongjian Li, Steven P. DenBaars, Claude Weisbuch, Shuji Nakamura
Summary: Blue semipolar InGaN microcavity light-emitting diodes (MC-LEDs) with cavity lengths of 113, 205, and 290 nm were successfully fabricated, showing the potential for ultra-thin MC-LEDs. The peak external quantum efficiencies (EQEs) of these MC-LEDs varied depending on the quantum well (QW) positions within the cavity, with the 290 nm cavity length MC-LED achieving the highest peak EQE of 6.7%. The emission characteristics of the MC-LEDs remained consistent at a peak wavelength of 430 nm under different current densities during pulsed operation.
APPLIED PHYSICS EXPRESS
(2021)
Article
Immunology
Jiaji Li, Jinrong Shi, Zhijun Zhou, Bo Yang, Jiamin Cao, Zhongsen Cao, Qiang Zeng, Zheng Hu, Xiaoming Yang
Summary: In this study, an antigen detection kit capable of identifying Omicron novel coronavirus mutants was developed using immunized BALB/c mice to obtain monoclonal antibodies with high specificity to the N protein of the Omicron mutant strain. The kit showed high sensitivity, strong specificity, no cross-reaction with common respiratory pathogens, and remained sensitive under the action of different concentrations of interferences, indicating good stability.
Article
Engineering, Chemical
Yaniv Edery
Summary: The study demonstrates that an increase in spatial correlation length between heterogeneous distributions of hydraulic conductivities leads to a reduction in transport anomaly, while the beta value remains unchanged, indicating a topological component of the conductivity field affecting transport. This finding is supported by an analysis of solute transport, which shows that varying conductivity values have a moderate impact on transport shape.
TRANSPORT IN POROUS MEDIA
(2021)
Article
Chemistry, Physical
Rajendra P. Gautam, Christopher J. Barile
Summary: The study reveals that on carbon electrodes, electron transfer between modified SAMs and ferrocene molecules may be driven by defect sites, rather than the alkyl linker tunneling mechanism. Additionally, blocking SAM defect sites with ZnO electrodeposits can alter the electron transfer rates.
JOURNAL OF PHYSICAL CHEMISTRY C
(2021)
Article
Chemistry, Analytical
Tao Kong, Dong-Ying Bai, Zheng-Hui Liu, Yan-Bo Ma, Cai Zhang, Guo-Yong Wang, Shu-Hui Zhang
Summary: In this study, a colloidal gold-labeled monoclonal antibody nano-probe was synthesized for the detection of ethylenediamine tetraacetic acid (EDTA). An immunochromatographic assay based on this probe was developed, which was highly sensitive, convenient, and one-step competitive. The assay was successfully applied for the detection of EDTA in water samples, with a visual detection limit of about one ppm. It does not require any equipment or complicated sample preparation and can be completed within 10 minutes, making it suitable for on-site testing.
MICROCHEMICAL JOURNAL
(2022)
Article
Plant Sciences
M. Narayani, Anju Chadha, Smita Srivastava
JOURNAL OF NATURAL PRODUCTS
(2017)
Article
Chemistry, Organic
Sneha Sudhakara, Anju Chadha
ORGANIC & BIOMOLECULAR CHEMISTRY
(2017)
Article
Chemistry, Physical
Poornima Budime Santhosh, Neethu Thomas, Swathi Sudhakar, Anju Chadha, Ethayaraja Mani
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2017)
Article
Chemistry, Physical
Soumalya Mukherjee, Edamana Prasad, Anju Chadha
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2017)
Article
Electrochemistry
Priyanka Bhadra, Mohammed S. Shajahan, Paresh N. Patel, Enakshi Bhattacharya, Anju Chadha, Praveen Kumar Sekhar
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2018)
Article
Chemistry, Organic
Paresh N. Patel, Anju Chadha
Article
Engineering, Electrical & Electronic
Noel Prashant Ratchagar, V. T. Fidal, Priyanka Bhadra, Ananya Ghosh, Anju Chadha, Enakshi Bhattacharya
IEEE SENSORS JOURNAL
(2019)
Article
Engineering, Electrical & Electronic
M. Chinnamani, Priyanka Bhadra, V. T. Fidal, S. Gayathri, Anju Chadha, Enakshi Bhattacharya
JOURNAL OF MICROMECHANICS AND MICROENGINEERING
(2020)
Article
Engineering, Biomedical
Ananya Ghosh, Fidal Vallam Thodi, Sudeshna Sengupta, Sivasundari Kannan, Lalitha Krishnan, Enakshi Bhattacharya
Summary: In-house fabricated silicon nanoporous membranes functionalized for efficient clearance of uremic toxins show potential for use in compact and portable dialysis systems. An array of nine SNMs and a new design for the dialysis apparatus can significantly enhance the clearance rate, offering stable and reproducible properties with superior clearance rates for urea and creatinine.
BIOMEDICAL MICRODEVICES
(2021)
Review
Pharmacology & Pharmacy
Chandra Kishore, Priyanka Bhadra
Summary: 5-Fluorouracil (5-FU) is the first-line chemotherapy drug for colorectal cancer, but patients often develop resistance to it. Immunotherapy has shown promise in treating colorectal cancer, especially in providing long-term remission for some metastatic CRC patients.
EUROPEAN JOURNAL OF PHARMACOLOGY
(2021)
Review
Neurosciences
Chandra Kishore, Priyanka Bhadra
Summary: Advances in nanotechnology have led to the development of novel diagnosis and treatment methods for diseases like brain cancer, with nanomaterials serving as efficient transport vehicles capable of crossing barriers to deliver drugs. Nanorobots, smart devices resembling red blood cells, can patrol the bloodstream, identify targets, and release drugs to kill cancer cells with precision.
CNS & NEUROLOGICAL DISORDERS-DRUG TARGETS
(2021)
Article
Engineering, Electrical & Electronic
Sivasundari Kannan, Enakshi Bhattacharya
Summary: This paper presents a micro electro mechanical systems low pressure sensor based on Knudsen force. The sensor consists of two beams, one acting as a heater and the other as a sensor. Experimental results show that using two separate beams allows the sensor to work at extremely low pressures with improved sensitivity.
JOURNAL OF MICROMECHANICS AND MICROENGINEERING
(2022)
Article
Engineering, Electrical & Electronic
S. Roy, B. Chakrabarti, E. Bhattacharya
Summary: This work demonstrates a SiOx-based synapse that has low operating voltages, excellent uniformity in the switching operation, and analog tunability of conductance. The devices also exhibit linear and symmetric conductance update. The enhanced uniformity and analog tunability can be attributed to an interfacial switching mechanism controlled through optimization of the device operating conditions.
IEEE TRANSACTIONS ON ELECTRON DEVICES
(2023)