nan

CoO/Co-graphene quantum dots as an oxidative mimetic nanozyme for the colorimetric detection of L-cysteine

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, 16,2044-2050
DOI: 10.1039/D4AY00086B, Paper
Dan Xu, Qingbo Tu, Xin San, Anhong Zhu, Xinru Li
The preparation of CoO/Co-graphene quantum dots nanozymes with high oxidase-like activity.
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A portable fluorescence detection device based on a smartphone employing carbon nanodots for Mn2+ sensing

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, 16,2101-2110
DOI: 10.1039/D4AY00027G, Paper
Pijika Mool-am-kha, Samuch Phetduang, Kessarin Ngamdee, Chayada Surawanitkun, Xiang-Kui Ren, Wittaya Ngeontae
A low-cost, portable, and low-energy consumption fluorescence reader-based smartphone device employing carbon nanodots for detection of Mn2+.
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nan

An electrochemiluminescence microsensor based on DNA-silver nanoclusters amplification for detecting cellular adenosine triphosphate

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, 16,2019-2024
DOI: 10.1039/D4AY00212A, Paper
GuanQi Wu, Jian Chen, JinXin Dou, XiangWei He, Hai-Fang Li, Jin-Ming Lin
An ECL microsensor integrating RCA magnification and in situ DNA-templated AgNC generation for sensitive detection of cellular ATP.
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nan

A novel multifunctional SERS microfluidic sensor based on ZnO/Ag nanoflower arrays for label-free ultrasensitive detection of bacteria

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, 16,2085-2092
DOI: 10.1039/D4AY00018H, Paper
Yue Liu, Guanwen Su, Wei Wang, Hongyuan Wei, Leping Dang
Design and working principle of bacterial capture and identification using a ZnO/Ag microfluidic SERS sensor array.
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nan

Construction of a three-mode sensor based on gold nanoparticles and carbon quantum dots as probes for the detection of thiosemicarbazone

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, 16,2127-2134
DOI: 10.1039/D4AY00256C, Paper
Zhili Liu, Xiaojun Wang, Jing Li, Wenfeng Zhou, Haixiang Gao, Runhua Lu
A three-mode sensor for thiocarbazone (TSC) was constructed based on gold nanoparticles and carbon quantum dots (CQDs). (A) Synthesis process of CQDs using ginkgo leaves. (B) Colorimetric and chrominance TSC detection. (C) Fluorescence detection of TSC.
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Nanocubic cobalt-containing Prussian blue analogue-derived carbon-coated CoFe alloy nanoparticles for noninvasive uric acid sensing

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00121D, Paper
Yunting Qin, Dan Xiao, Xilan Gao, Xicui Zhang, Yanxue Xu
This work describes an electrochemical sensor for the fast noninvasive detection of uric acid (UA) in saliva.
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Aptamer aided plasmonic nano-urchin for reporter free surface-enhanced Raman spectroscopy analysis of cortisol

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, Accepted Manuscript
DOI: 10.1039/D4AY00401A, Paper
Chengyu Li, Jing Hu, Nan Hu, Jianjun Zhao, Qianwen Li, Yanhui Han, Yanxiong Liu, Xufang Hu, Liyan Zheng, Qiu-E Cao
Cortisol is a vital glucocorticoid hormone reflecting stress levels and related disease processes. We present an aptamer functionalized plasmonic nano-urchin (α-FeOOH@Au-aptamer) aided cortisol capturing and Surface-enhanced Raman spectroscopy (SERS) analysis...
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One-step electrodeposited hybrid nanofilms in amperometric biosensor development

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00290C, Tutorial Review
Yuliya E. Silina
This review summarizes developments in amperometric biosensors with electrodeposited sensing films. It was shown how the analytical merit of one-step designed biosensors can be controlled by the change of chemical factors within the same engineering platform.
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Correction: An impedimetric sensor based on molecularly imprinted nanoparticles for the determination of trypsin in artificial matrices – towards point-of-care diagnostics

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY90029D, Correction
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Sabrina Di Masi, Marco Costa, Francesco Canfarotta, Antonio Guerreiro, Alicia Hartley, Sergey A. Piletsky, Cosimino Malitesta
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Study on the affinity sites of cadmium's binding to ligands by thermodynamics and nuclear magnetic resonance spectroscopy

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, Advance Article
DOI: 10.1039/D3AY02253F, Paper
Jinsong Yu, Xu Huang, Xiuxiu Wu, Hui Cao, Min Yuan, Tai Ye, Fei Xu
According to the experimental parameters for the interaction of Cd(II) with ligands, the binding sites of Cys and GSH were –SH, –NH2 and –COOH, and the thermodynamic behaviour of Cd(II) with Cys/GSH in boric acid and HEPES buffers was different, exothermic in HEPES but endothermic in boric acid.
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Near-infrared responsive gold nanorods for highly sensitive colorimetric and photothermal lateral flow immuno-detection of SARS-CoV-2

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00347K, Paper
Xiaohui Liu, Jingwen Li, Kun Wang, Xiang Li, Shenming Wang, Gengchen Guo, Qiaowen Zheng, Maosheng Zhang, Jingbin Zeng
We developed a colorimetric and photothermal dual-mode LFIA platform for sensitive and selective SARS-CoV-2 N protein detection based on gold nanorods.
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A Multimode Biosensor Based on Prussian Blue Nanoparticle Loaded with Gold Nanoclusters for the Detection of Aflatoxin B1

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, Accepted Manuscript
DOI: 10.1039/D3AY02330C, Paper
zhaodi Fu, juan Huang, Wei Wei, zhihui Wu, Xingbo Shi
Herein, a novel fluorescent/colorimetric/photothermal biosensor is proposed for aflatoxin B1 (AFB1) detection in food based on Prussian blue nanoparticles (PBNPs) (~50 nm), gold nanocluster (AuNCs) and aptamer (Apt) within three...
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Layer-by-layer assembly of homopolypeptide polyelectrolytes on asymmetric nanochannels for the detection of nickel ions

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00422A, Paper
Pengrong An, Jincan Yang, Tianming Wang, Saiwen Lu, Dehao Wang, Zhuoyue Wang, Chun-Lin Sun, Chuanguang Qin, Jun Li
We report PA-γ-PGA-modified asymmetric nanochannels that enable ultra-sensitive detection of Ni2+ (limit of detection is 1 × 10−8 M).
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nan

Antibody-labeled Gold Nanoparticles Based Resonance Rayleigh Scattering Detection of S100B

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, Accepted Manuscript
DOI: 10.1039/D4AY00335G, Paper
tiantian Wang, yonghui Wang, junbo Li
Traumatic brain injury (TBI) is a sudden brain injury due to an external force that causes a large number of deaths and permanent disabilities every year. S100B has been recognized...
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nan

Ag-coated tetrapod gold nanostars (Au@AgNSs) for acetamiprid determination in tea using SERS combined with microfluidics

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00297K, Paper
Qian Ke, Limei Yin, Heera Jayan, Hesham R. El-Seedi, Xiaobo Zou, Zhiming Guo
The combination of highly sensitive SERS substrate core–shell Au@AgNSs and microfluidic chip featuring four circular split hybrid structures were used for quantitative detection of acetamiprid in tea. The LOD of acetamiprid was 0.048 ng mL−1.
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nan

Development of a label-free, sensitive gold nanoparticles-poly (adenine)aptasensing platform for colorimetric determination of aflatoxin B1 in corn

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, Accepted Manuscript
DOI: 10.1039/D4AY00605D, Paper
Omid Heydari Shayesteh, Katayoun Derakhshandeh, Akram Ranjbar, Reza Mahjub, Abbas Farmany
In this work, a sensitive colorimetric bioassay method based on poly (adenine) aptamer (polyA apt) and gold nanoparticles (AuNPs) was developed to the determination of aflatoxin B1 (AFB1). The polyA...
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nan

A three-dimensional network structure of metal-based nanozymes for the construction of colorimetric sensors for the detection of antioxidants

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, 16,2292-2300
DOI: 10.1039/D3AY02199H, Paper
Shuo Qin, Bin Liu, Yuting Xue, Ruixue Zhao, Guo Wang, Kai Li, Lirong Zheng, Pingyang Wang, Tianhao Tang, Yue Yang, Zhengbo Chen, Xia Zuo
Although many excellent nanozymes have been developed, designing and synthesizing highly active nanozymes is still challenging.
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nan

Heparin-stabilized gold nanoparticles embedded in graphene for the electrochemical determination of esculetin

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, 16,2256-2266
DOI: 10.1039/D4AY00229F, Paper
Vinicius José da Silva, Luan Gabriel Baumgarten, Juliana Priscila Dreyer, Edson Roberto Santana, Almir Spinelli, João Paulo Winiarski, Iolanda Cruz Vieira
A conductive nanocomposite consisting of heparin-stabilized gold nanoparticles embedded in graphene was prepared for esculetin determination in tea and jam samples.
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nan

Phenylboronic acid modification-based novel dumbbell-shaped Au–Ag nanorod SERS substrates for ultrasensitive detection of SO42−

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, 16,2311-2321
DOI: 10.1039/D3AY01831H, Paper
Kang Shen, Caili Bi, Haifan Yang, Miaowen Xu, Lili Huang, Youwei Wang
Based on the coordination principle of Lewis acids, a novel 4-MPBA-modified dumbbell-shaped Au–Ag nanorod (4-MPBA@DS Au–AgNR) SERS substrate was developed to realize the high sensitivity and specificity of SO42− detection.
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nan

Dual-functional porphyrinic zirconium-based metal–organic framework for the fluorescent sensing of histidine enantiomers and Hg2+

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, 16,2386-2399
DOI: 10.1039/D3AY02241B, Paper
Shili Qin, Fanshu Meng, Fenglong Jin, Xidi Xu, Ming Zhao, Hongtao Chu, Lidi Gao, Shuren Liu
L-Cys/PCN-222 as a novel and dual-functional fluorescent sensor was developed. It not only showed a higher chiral fluorescent recognition of L-histidine but also performed as a visual sensor for Hg2+ in actual surface water.
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nan

Anti-aggregation colorimetric sensing of cysteine using silver nanoparticles in the presence of Pb2+

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, 16,2378-2385
DOI: 10.1039/D4AY00351A, Paper
Lihui Mao, Yi Zhang, Huan Zhang, Huili Liu, Yong-ping Gao
In this study, an unmodified AgNPs was synthesized to prepare AgNPs-Pb2+ as a probe for colorimetric sensing of cysteine. We developed a AgNPs colorimetric method for the determination of cysteine in urine, utilizing the anti-aggregation principle.
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nan

On-chip light sheet illumination for nanoparticle tracking in microfluidic channels

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, 16,2229-2240
DOI: 10.1039/D3AY02290K, Communication
Théo Travers, Gaétan Delhaye, Martinus H. V. Werts, Denis Gindre, Matthieu Loumaigne
A simple and inexpensive method is presented to efficiently integrate light sheet illumination in a microfluidic chip for dark-field microscopic tracking and sizing of nanoparticles.
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nan

Analysing micro- and nanoplastics with cutting-edge infrared spectroscopy techniques: a critical review

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, 16,2177-2197
DOI: 10.1039/D3AY01808C, Critical Review
Open Access
Junhao Xie, Aoife Gowen, Wei Xu, Junli Xu
In this review, we discussed and compared the applications of Fourier transform infrared spectroscopy, quantum cascade laser infrared spectroscopy, atomic force microscopy-based infrared spectroscopy, and optical photothermal infrared spectroscopy in MNP research from multiple perspectives.
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nan

A new colorimetric aptasensor for paraquat detection based on the designed aptamer with multiple paraquat binding sites in combination with gold nanoparticles

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, 16,2340-2348
DOI: 10.1039/D4AY00053F, Paper
Pakawat Kongpreecha, Sineenat Siri
Given paraquat's environmental health risks, there is a need for a fast and simple detection method. This study presents a novel colorimetric aptasensor with a tailored aptamer, boosting sensitivity by targeting multiple paraquat binding sites.
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nan

A simple and rapid colorimetric detection of Staphylococcus Aureus relied on the distance-dependent optical properties of silver nanoparticles

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, Accepted Manuscript
DOI: 10.1039/D3AY02189K, Paper
Ngoc Anh Thu Phan, Hoang Men Nguyen, Cam Duyen Thi Vo, Toi Vo Van, Phuoc Long Truong
The quick and accurate diagnosis of pathogens has appeared as a pressing issue in clinical diagnostics, environmental monitoring, and food safety. The current assays are suffering from limited capacities in...
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Design and fabrication of La-based perovskites incorporated with functionalized carbon nanofibers for the electrochemical detection of roxarsone in water and food samples

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00264D, Paper
Mariya Antony John Felix, Santhiyagu Sahayaraj Rex Shanlee, Shen-Ming Chen, Sundaresan Ruspika, Ramachandran Balaji, Narendhar Chandrasekar, Periyanayagam Arockia Doss
Fabrication of potent electrocatalyst, La-based perovskites coupled with functionalized carbon nanofibers (LMO/f-CNF) for ultrasensitive electrochemical detection of roxarsone in edible and water samples.
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The preparation of a boronate affinity-based controlled oriented imprinting coating on a silica nanoparticle surface for the separation and purification of shikimic acid in herbal medicine

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00219A, Paper
Yumin Yang, Daojin Li, Bingqian Liu
Shikimic acid (SA) is one of the most effective drugs against the A (H1N1) virus and has high medicinal value.
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Three-dimensional hotspot structures constructed from nanoporous gold with a V-cavity and gold nanoparticles for surface-enhanced Raman scattering

By pubs.rsc.org
Published On ::

Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00348A, Paper
Yang Xu, Yan Wu, Jianjun Wei, Yuanyu Zhao, Peili Xue
A nanoporous gold V-shaped resonant cavity (NPGVRC) structure constructed with plasmonic resonance coupling effect. The NPGVRC has excellent SERS performance and 3D hotspot properties.
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Ananya-Suhana Party Together

By www.rediff.com
Published On ::

Ananya Panday celebrated her birthday with family and the media, but she really wasn't done yet.


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nan

Correction: Anti-schistosomal activity and ADMET properties of 1,2,5-oxadiazinane-containing compound synthesized by visible-light photoredox catalysis

By pubs.rsc.org
Published On ::

RSC Med. Chem., 2024, Advance Article
DOI: 10.1039/D4MD90044H, Correction
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Kennosuke Itoh, Hiroki Nakahara, Atsushi Takashino, Aya Hara, Akiho Katsuno, Yuriko Abe, Takaaki Mizuguchi, Fumika Karaki, Shigeto Hirayama, Kenichiro Nagai, Reiko Seki, Noriko Sato, Kazuki Okuyama, Masashi Hashimoto, Ken Tokunaga, Hitoshi Ishida, Fusako Mikami, Kofi Dadzie Kwofie, Hayato Kawada, Bangzhong Lin, Kazuto Nunomura, Toshio Kanai, Takeshi Hatta, Naotoshi Tsuji, Junichi Haruta, Hideaki Fujii
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nan

HR&CE plans to bring properties around the Vennaimalai Temple under tenants list

By www.thehindu.com
Published On :: Thu, 07 Nov 2024 19:36:32 +0530

The HR&CE department has cleared 34 properties around the Balasubramanyaswamy Temple at Vennaimalai in Karur district as per the High Court orders


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NTK chief Seeman booked for alleged ‘derogatory remarks’ against Karunanidhi

By www.thehindu.com
Published On :: Fri, 08 Nov 2024 19:03:53 +0530


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nan

570: Haircut Maintenance, Dave’s Bookshelf, Lazy Loading, and APIs

By shoptalkshow.com
Published On :: Mon, 19 Jun 2023 08:00:42 +0000

We're talking Dave's new haircut, playing Hondo, what Dave uses for images on his bookshelf page, lazy-loading thoughts, vh vw follow up, eyeball tracking updates, loading website with js, Vue transitions, charging for API access, and do you cross post, one post, or no post on social media in 2023?


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ADB increases climate finance after US, Japan give world's first sovereign guarantees

By www.thehindubusinessline.com
Published On :: Mon, 11 Nov 2024 10:38:46 +0530


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nan

A theory of fiscal dominance in India

By www.thehindubusinessline.com
Published On :: Sun, 02 Aug 2020 21:09:35 +0530

Former RBI Deputy Governor Viral Acharya offers solutions on how the central bank can ensure financial stability in the country


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nan

Nanoscience is not just a fad

By www.thehindubusinessline.com
Published On :: Sun, 30 Aug 2020 20:47:53 +0530

In Nanoscale, Pankaj Sekhsaria explores the transformative powers of nanoscience in Indian society


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nan

Eyebrows raised as Central team visits Anantapur to assess rabi drought during rainy kharif

By www.thehindu.com
Published On :: Wed, 19 Jun 2024 20:31:59 +0530

The team choosing mandals like Vidapanakallu and Vajrakarur which received excessive rain in June, draws flak from farmers and district officials alike; farmers worry as to how to present their drought woes to the officials who are visiting their fields which are now rain-fed and green


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nan

‘Outstanding work’: IIT-M team makes mineral nanoparticles with water

By www.thehindu.com
Published On :: Wed, 10 Jul 2024 05:30:00 +0530

Infusing soil with silica nanoparticles made using the technique could transform agriculture


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nan

Anantapur Collector urges farmers to adopt natural practices

By www.thehindu.com
Published On :: Wed, 18 Sep 2024 20:34:15 +0530

V. Vinod Kumar visits several watershed structures in the district implemented by Accion Fraterna Ecology Centre with funding from NABARD


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nan

Home cooks in Thiruvananthapuram are championing artificial additive-free jams, preserves, juice, ethnic eats and more

By www.thehindu.com
Published On :: Wed, 16 Oct 2024 13:42:08 +0530

Four home cooks in Thiruvananthapuram are turning fruits into value-added products without using artificial flavours or preservatives


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nan

Collective memory as currency [electronic resource] : the dominance of the past in the present / Tracy Adams.

By darius.uleth.ca
Published On ::

Berlin ; Boston : De Gruyter [2024]


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Sensex, Nifty decline on selling in banking, financial stocks; weak global trends

By www.thehindu.com
Published On :: Wed, 30 Oct 2024 16:32:47 +0530

The BSE Sensex tumbled 426.85 points or 0.53% to settle at 79,942.18. The NSE Nifty dropped 126 points or 0.51% to 24,340.85


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nan

Maintenance work at Mettur barrage to hit Vellore water supply on November 12-13

By www.thehindu.com
Published On :: Sun, 10 Nov 2024 18:25:47 +0530


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nan

Samayamoorthy is HRM Secretary, Atul Anand is MSME Secretary

By www.thehindu.com
Published On :: Mon, 11 Nov 2024 21:16:43 +0530


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nan

The impact of cross-linker distribution on magnetic nanogels: encapsulation, transport and controlled release of the tracer

By pubs.rsc.org
Published On ::

Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00797B, Paper
Open Access
Ivan S. Novikau, Ekaterina V. Novak, Sofia S. Kantorovich
Differences in crosslinker concentration between the core and periphery of a magnetic nanogel slow down the release of a non-magnetic cargo.
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Stress amplification and relaxation imaging around cracks in nanocomposite gels using ultrasound elastography

By pubs.rsc.org
Published On ::

Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00909F, Paper
H. Le Blay, T. Deffieux, L. Laiarinandrasana, M. Tanter, A. Marcellan
Stress visualization around cracks in NC gels was performed using ultrasonic elastography. Temporal and spatial mapping are performed non-invasively. Over time, the stress gradient is erased by large-scale reorganization of the polymer network.
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Long range signature of liquid's inertia in nanoscale drainage flows

By pubs.rsc.org
Published On ::

Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM01006J, Paper
Nathan Bigan, Mathieu Lizée, Marc Pascual, Antoine Niguès, Lydéric Bocquet, Alessandro Siria
In confinement, liquid flows are governed by a complex interplay of molecular, viscous and elastic forces.
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Emulsifying mechanisms of phospholipids in high-pressure homogenization of perfluorocarbon nanoemulsions

By pubs.rsc.org
Published On ::

Soft Matter, 2024, 20,8373-8384
DOI: 10.1039/D4SM00828F, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Larissa J. Lubitz, Harden Rieger, Gero Leneweit
An optimized PFC/W emulsion contains 1 mM lipid per 1% (v/v) dispersed phase for an emulsifying monolayer; higher ratios result in triple layers. Low viscosity ratios ηD/ηC ≤ 5 and low PFC volume fractions lead to smaller monodisperse droplets.
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Nanoconfinement effects on the dynamics of an ionic liquid-based electrolyte probed by multinuclear NMR

By pubs.rsc.org
Published On ::

Soft Matter, 2024, 20,8436-8445
DOI: 10.1039/D4SM01058B, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Andrei Filippov, Maiia Rudakova, Victor P. Archipov, Faiz Ullah Shah
Diffusivity is controlled by exchange of ions between “narrow” and “large” pores that results in an abnormal temperature variation. Li+ ions are solvated inside the porous glasses and their diffusivity remains slower as compared to the organic ions.
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The surface diffusivity of nanoparticles physically adsorbed at a solid–liquid interface

By pubs.rsc.org
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Soft Matter, 2024, 20,8446-8454
DOI: 10.1039/D4SM00992D, Paper
Troy Singletary, Nima Iranmanesh, Carlos E. Colosqui
This work proposes an analytical model considering the effects of hydrodynamic drag and energy barriers induced by liquid solvation forces to predict the in-plane translational diffusivity of a nanoparticle physically adsorbed on a wetted surface.
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