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Multiple hydrogen bonding in crosslinked graphene oxide films with improved stretchability and toughness

Mater. Chem. Front., 2024, 8,3724-3730
DOI: 10.1039/D4QM00571F, Research Article
Mengling Yang, Chunyu Wang, Wenbin Wang, Li Yang, Shaolei Qu, Zhaoming Zhang, Xuzhou Yan
The UPy-rich polymers have been utilized to toughen and strengthen graphene oxide films through quadruple hydrogen-bonding, which offered a promising route for developing high-performance two-dimensional materials.
The content of this RSS Feed (c) The Royal Society of Chemistry




stretch

Recent advances in stretchable hydrogel-based triboelectric nanogenerators for on-skin electronics

Mater. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QM00784K, Review Article
Baosen Zhang, Ruge Wang, Ruizhi Wang, Baojin Chen, Haidong Li, Ao Shen, Yanchao Mao
This review summarizes the properties of stretchable hydrogels and their optimization for TENGs in on-skin electronics, highlighting applications and addressing challenges related to durability and user comfort.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




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An all-fibrous, permeable, adhesive, and stretchable self-powered electronic skin for sign language recognition

J. Mater. Chem. A, 2024, 12,30298-30308
DOI: 10.1039/D4TA05825A, Paper
Fan Chen, Xian Song, Jingjing Fu, Jiaheng Liang, Junhua Zhou, Jiehua Cai, Yufei Zhang, Mengjia Zhu, Yichun Ding, Jinxing Jiang, Zijian Chen, Youchao Qi, Zhihao Zhou, Qiyao Huang, Yingying Zhang, Zijian Zheng
An all-fibrous self-powered electronic skin that offers textile-like breathability, intrinsic stretchability, skin adhesion, biocompatibility, and good sensing performance for real-time gesture recognition assisted by machine learning.
The content of this RSS Feed (c) The Royal Society of Chemistry




stretch

Frequent accidents on a small stretch of main road causes concern

Around 28 motorists were killed in accidents on the 9-km-stretch from Thavalakuppam to Mullodai on Puducherry-Cuddalore Road last year




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PEDOT-based stretchable optoelectronic materials and devices for bioelectronic interfaces

Chem. Soc. Rev., 2024, 53,10575-10603
DOI: 10.1039/D4CS00541D, Review Article
Weizhen Li, Yiming Li, Ziyu Song, Yi-Xuan Wang, Wenping Hu
This review summarized the strategies and mechanisms for improving the conductivity, mechanical properties and stability of PEDOT:PSS, as well as the reliable micropatterning technologies and optoelectronic devices applied at bio-interfaces.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Kirigami-enabled stretchable laser-induced graphene heaters for wearable thermotherapy

Mater. Horiz., 2024, 11,2010-2020
DOI: 10.1039/D3MH01884A, Communication
Junyu Chen, Yichao Shi, Binbin Ying, Yajie Hu, Yan Gao, Sida Luo, Xinyu Liu
Stretchable later-induced graphene (LIG) heaters with kirigami structures are produced via laser engraving/cutting for wearable thermotherapy. Such a heater has a rapid electrothermal response and robust performance for on-body use.
The content of this RSS Feed (c) The Royal Society of Chemistry




stretch

T.N. stretch of Bengaluru-Chennai Expressway may be completed by August 2025

While the 24.50-km package from Walajapet to Arakkonam has the most progress, with over 84% of the work being carried out, the Arakkonam to Kancheepuram package has the least progress with about 52%




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Chain stretching in brushes favors sequence recognition for nucleobase-functionalized flexible precise oligomers

Soft Matter, 2024, 20,8303-8311
DOI: 10.1039/D4SM00866A, Paper
Kseniia Grafskaia, Qian Qin, Jie Li, Delphine Magnin, David Dellemme, Mathieu Surin, Karine Glinel, Alain M. Jonas
Flexible oligomers having precise sequences of nucleobases do not specifically recognize surface-grafted target chains at low grafting density. Moderately higher grafting densities promote sequence-specific recognition thanks to chain stretching.
The content of this RSS Feed (c) The Royal Society of Chemistry




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It is a stretch for fitness

Nikhil Varma attends a Yoga session and finds he quite enjoys it.




stretch

Stretch if you can

Moonlight yoga, yoga with sticks, chair yoga… take your pick from this deluge of novel offerings on this World Yoga Day. SHAILAJA TRIPATHI takes a stock




stretch

Poojary asks officials to hasten Karavali junction-Malpe stretch highway widening project by paying compensation to land losers by November 10




stretch

Samithi to hold collective dharna on November 26 demanding complete restoration of Nanthoor-Surathkal stretch of NH 66

Preparatory meeting highlights battered carriageway stretch, absence of service roads and shoulder drains and delayed execution of new bridge at Kulur




stretch

Union govt. releases ₹343.74 crore to upgrade 11.2 km stretch of Charmadi Ghat on NH 73, says Capt. Chowta




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Tailoring dual cross-linked polymer-ionic liquid composites by blending co-crystallizable polymers for stretchable electronics

RSC Adv., 2024, 14,36022-36030
DOI: 10.1039/D4RA05968A, Paper
Open Access
Minjun Kim, Moonsung Park, Hobin Seon, Sohyun Choi, Hee Joong Kim, Sangwon Kim
A dual cross-linked polymer-ionic liquid composite exhibits self-healing capabilities and is ideal for wearable strain sensor applications.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Closure of Alappuzha weather observatory to leave a hole in forecasting capabilities of IMD on coastal stretch

IMD has temporarily closed down the observatory, which started functioning in 1931, in the wake of an eviction notice issued by Port department




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Advancing high-efficiency, stretchable organic solar cells: novel liquid metal electrode architecture

Energy Environ. Sci., 2024, 17,8915-8925
DOI: 10.1039/D4EE03406F, Paper
Seungbok Lee, Sungjun Oh, Seungseok Han, Dongchan Lee, Jihyung Lee, Yonghwi Kim, Hoe-Yeon Jeong, Jin-Woo Lee, Min-Ho Lee, Wu Bin Ying, Seonju Jeong, Seungjae Lee, Junho Kim, Yun Hoo Kim, Bumjoon J. Kim, Eun-chae Jeon, Taek-Soo Kim, Shinuk Cho, Jung-Yong Lee
Highly efficient and stretchable organic solar cells were developed with a novel liquid metal top electrode. Metallic interlayers enabled its fabrication via thermal evaporation, achieving 14.6% PCE and 70% PCE retention under 63% strain.
The content of this RSS Feed (c) The Royal Society of Chemistry




stretch

Andhra Pradesh govt. plans to construct a double decker corridor on old NH-5 stretch to decongest traffic in Visakhapatnam

The revised DPR for the double decker elevated corridor-cum-metro rail project is expected to be completed by March 2025, say officials




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CPI(M) demands complains of potholes-filled stretch of Nilakottai-Usilampatti road




stretch

Peeling produces stretchable liquid-metal circuit

Technique breaks gallium alloy’s insulating oxide layer




stretch

Nanolaser changes color when stretched

The sensitive, tunable device is made of gold nanoparticles, a rubbery polymer, and a liquid dye




stretch

Nanolaser changes color when stretched

The sensitive, tunable device is made of gold nanoparticles, a rubbery polymer, and a liquid dye




stretch

Easy-to-make polymer stretches, sticks, self-heals

Material’s features attributed to bonds that readily break and re-form




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Pune Metro project work resumes; deadline to start first 5 km stretch missed

Work on the Pune Metro comprising two lines of 32 km started in December 2016 and was to end in 2022. Commissioning of work on 10 km of Line 1 and Line 2 was to be done in the first half of 2020.




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Qantas to put in stretch and move zones for London to Sydney direct flight

The airline is flying 50 passengers and crew on a non-stop flight from London to Sydney on Friday as it researches how to make long haul flights more comfortable for passengers.




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Work begins on final stretch of Outer Ring Road

Work to construct the final portion of the Chennai Outer Ring Road (CORR) at Padianallur in Red Hills has begun after the government allowed construct




stretch

X-ray pulse stretching after diffraction

The development of ultrashort X-ray pulse sources requires optics that keep the pulse length as short as possible. One source of pulse stretching is the penetration of the pulse into a crystal during diffraction. Another source is the inclination of the intensity front when the diffraction is asymmetric. The theory of short X-ray pulse diffraction has been well developed by many authors. As it is rather complicated, it is sometimes difficult to foresee the pulse behavior (mainly stretching) during diffraction in various crystal arrangements. In this article, a simple model is suggested that gives a qualitatively similar shape to the diffracted pulse which follows from exact theory. It allows proposal of what experimental arrangement is optimal to minimize the pulse stretching during diffraction. First, the effect of pulse stretching due to penetration into a crystal surface is studied. On the basis of this, the pulse profile change during diffraction by two crystals, either symmetric or asymmetric, is predicted.




stretch

X-ray pulse stretching after diffraction

In this article, the effect of stretching of short X-ray pulses after symmetric or asymmetric diffraction on crystal systems is studied. This is used to determine the optimal experimental arrangement to minimize the pulse stretching during diffraction.




stretch

Stretchable wireless sensor could monitor healing of cerebral aneurysms




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Stretchable wireless sensor could monitor healing of cerebral aneurysms




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Space to stretch your legs

A LARGE home that will comfortably accommodate even a big brood, this Lauderdale property has a lot going for it.




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Yoga instructor helps heal the nation's capital, one stretch at a time

Deb Berlin is determined to soothe frayed nerves in Washington, D.C., through yoga, a practice she picked up in her teens.



  • Fitness & Well-Being

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7 great yoga apps so you can stretch and relax anywhere

These apps can help you get your downward dog on wherever, whenever.



  • Fitness & Well-Being

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Yoga for runners: Stretches to improve your energy

A few simple poses before and after a run can help improve energy and minimize injury.



  • Fitness & Well-Being

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Canada opens world's longest hiking trail that stretches coast to coast

Open to biking, kayaking and cross-country skiing, this 15,000-mile-trail isn't your run-of-the-mill recreational trail.




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Why, how and when you should stretch

Are you new to stretching? Here are some tips on how to improve flexibility and information about the kinds of stretching you should be doing.



  • Fitness & Well-Being

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Lying 101: How much do you know about the science of stretching the truth?

Whether it's a white lie or a whopper, fibs are part of our daily lives. We like to think we're honest but, well, we're not. Test your falsehood expertise.



  • Arts & Culture

stretch

Stretching Your Healthcare Dollar in Florida

Employers nationwide face critical decisions about their health benefits program. Should they continue funding their employees' health benefits at the same contribution level as in the past? Should they keep the same level of benefits as before? What can be done to minimize costs and maximize benefits?




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Blessings For The Backstretch: Breeders’ Cup Honors ‘Pivotal’ Racing Employees On Mother’s Day

The Breeders' Cup, one of Thoroughbred horse racing's most prestigious international events, announced Blessings for the Backstretch, a charitable initiative in partnership with The Stronach Group to support mothers living and working on the backstretch at Santa Anita Park this Mother's Day. On Sunday morning, May 10, the two organizations will hand-deliver Mother's Day Blessings […]

The post Blessings For The Backstretch: Breeders’ Cup Honors ‘Pivotal’ Racing Employees On Mother’s Day appeared first on Horse Racing News | Paulick Report.




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A search box stretch feature

A CSS3 animation to stretch a search box on focus.




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CSSplay Stretch/Droplist Menu

Using CSS3 to animate a stretch/droplist menu.




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Amazing Photos Of “Luxurious” Lada Stretched Limousines

Lada is a brand of cars manufactured by Russian automobile manufacturer AvtoVAZ (originally VAZ). The Lada brand appeared in 1973,...




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Solventless stretchable ink composition

An ink composition suitable for ink jet printing, including printing on deformable substrates. In embodiments, the stretchable ink composition is based on a solventless monomer-based ink formulation comprising a mixture of acrylic ester oligomer and monomers of acrylic ester and aromatic acrylate.




stretch

Stretching and exercise device and method

A stretching and exercise device has a first strap member having a pair of end portions, a second strap member having a pair of end portions, and a pair of resistance members connected between respective end portions of the first and second strap members. A third strap member has a pair of end portions attached to respective first and second surface portions of the second strap member. A fourth strap member is attached to a third surface portion of the second strap member different from the first and second surface portions thereof.




stretch

Stretching Device

A stretching device that enables a user to employ the mechanical advantage of a multi-pulley system while performing various, prolonged muscle stretches; the stretching device including a first anchor assembly, a second anchor assembly, and a motion transfer line. The first motion transfer line has a first anchor body and a first motion transfer pulley; the first anchor body being attached to the user and the first motion transfer pulley being coupled to the first anchor body. Similarly, the second motion transfer line has a second anchor body and a second motion transfer pulley; the second anchor body being attached to a stationary object and the second motion transfer pulley being coupled to the second anchor body. The motion transfer line is terminally attached to the first anchor body and is trained around both the first motion transfer pulley and the second motion transfer pulley.




stretch

DYNAMIC STRETCHING, STRENGTHENING AND STABILIZATION DEVICE FOR POSTURAL CORRECTION AND RETRAINING

A dynamic stretching, strengthening and stabilization device is provided for postural correction and retraining. The device has a pair of closed loop resistance tubes and a central harness member which positions the closed loop resistance tubes roughly in the form of a FIG. 8. Each loop of the resistance tube is sized to accommodate the arm and shoulder of the user. The device may be used in a stabilization mode or stretching/strengthening mode, and transitions easily between these modes to correct and retrain the user's posture.




stretch

Canvas stretching system with corner clamps

A stretching system to stretch a canvas or material on a frame without the use of stretching pliers and staples. Special purpose corner clamps are used to secure the stretcher bars into an initial open miter frame to orient the double sided adhesive strip on the side of the stretchers towards the canvas or material while maintaining the adhesive strip from touching the canvas or material. After alignment, the stretching bars are pressed down and attached onto the canvas or material and the corners are released. The corner clamps are removed and canvas or material corners are cut and folded into the open miter ends which also have adhesive strips. By rotating the stretchers axially 90 degrees into the final frame, thus closing the miters, and upon inserting U-shaped fasteners into the grooves placed on the back of the stretcher, the canvas or material is stretched and ready to display.




stretch

Shrinker stretcher machine

The present invention is a shrinker stretcher machine that uses four distinct and separate tool cartridges to perform both shrinking and stretching operations by simply removing, rotating each tool cartridge 180 degrees, and reattaching it in its designated position. Each tool cartridge removably carries a jaw that can be removed and securely replaced with either a shrinker or stretcher jaw to accommodate the operation being performed. Each tool cartridges and jaw is firmly held in place by magnets and interlocking keyed surfaces to properly align and hold the tool cartridges and jaws.




stretch

Device for stretching webs of material transversely to their travel direction

A device for stretching webs of material transversely to a travel direction thereof, includes at least one rotary stretcher extending transversely to the travel direction of the web of material. The stretcher is composed of at least two round tubes which are aligned axially with each other and are supported by ball-and-socket joints on links. The links are mounted adjustably on a base frame.




stretch

Sheet or film clipping stretcher

A clip 20 is provided on a clip support member 30, and one end of a main link member 53 and one end of a sub-link member 54 are pivotally connected to a first shaft member 51 at the clip 20 side of the clip support member 30 to constitute a reference linkage at the clip 20 side.




stretch

Sheet or film oblique stretching method and sheet or film clipping stretcher

Clipping both right and left side edge parts of a sheet or film by right and left pitch-variable clips having flow-directional clip pitches variable along with travel movements, respectively, having positions (AR, AL) for initiation of enlargements of flow-directional clip pitches changed between right clips and left clips, and enlarging flow-directional clip pitches along with travel movements of clips to thereby make an oblique stretch.