Germanium Nanosheets with Dirac Characteristics as a Saturable Absorber for Ultrafast Pulse Generation (Adv. Mater. 32/2021)

Mu, Haoran; Liu, Yani; Bongu, Sudhakara Reddy; Bao, Xiaozhi; Li, Lei; Xiao, Si; Zhuang, Jincheng; Liu, Chen; Huang, Yongjun; Dong, Yong; Helmerson, Kristian; Wang, Jiaou; Liu, Guanyu; Du, Yi; Bao, Qiaoliang

doi:10.1002/adma.202170247

Cited by 12 publications

(23 citation statements)

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“…Even under moist and dynamic conditions, the d-PGA/LZM can also rapidly and strongly adhere to the surface of tissues via absorbing interface water, subsequently forming non-covalent interactions between the amino or carboxyl groups of the tissue surface and the carboxyl groups of PGA. 14 Given the dynamics of biological tissues and organs, both longitudinal shear stress and transverse tensile stress at the wound site can cause wound laceration. 41 Therefore, the…”

Section: Mechanical and Adhesive Propertiesmentioning

confidence: 99%

“…[3][4][5][6][7][8][9][10][11][12][13] However, the hydration layer induced by blood or other body fluids hinders the formation of strong and long-lasting adhesion between adhesives and body tissues. 14 Additionally, hydrogel adhesives usually suffer from swelling upon exposure to water, which weakens their mechanical strength and leads to the bonding failure. 15 Coacervates, formed by liquid-liquid phase separation (LLPS), have been widely identified to play critical roles in achieving and maintaining underwater adhesion in aquatic organisms.…”

Section: Introductionmentioning

confidence: 99%

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Biomimetic, self-coacervating adhesive with tough underwater adhesion for ultrafast hemostasis and infected wound healing

Liu,

Sun,

Zhang

et al. 2023

Biomater. Sci.

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Section: Mechanical and Adhesive Propertiesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Biomimetic, self-coacervating adhesive with tough underwater adhesion for ultrafast hemostasis and infected wound healing

Liu,

Sun,

Zhang

et al. 2023

Biomater. Sci.

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“…While this review is focused on multi-material bioprinting technology, the reader is referred to reviews covering the design and applications of hydrogel adhesion elsewhere. [109][110][111]…”

Section: Multi-materials Bioprinting Conceptmentioning

confidence: 99%

Emerging Technologies in Multi‐Material Bioprinting

et al. 2021

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organ-specific tissues, [14] patient-specific grafts, [15] tissue model engineering, [16] and drug screening. [17] The most frequently used technologies for 3D bioprinting include nozzle-based and laser/light-based techniques. Extrusion [18] and inkjet [19] are arguably the most common modalities of nozzle-based bioprinting at the moment, while laser-induced forward transfer (LIFT) [20] and vat-photopolymerization [21] are the two frequently used for laser/lightbased 3D bioprinting. [22] Extrusion bioprinting involves fabrication on a bioprinting platform using bioinks extruded from one or several nozzle(s) (Figure 1A). The extrusion process may be pressure-controlled, with the bioink entrained by means of pneumatic actuation, or flow rate-controlled with the bioink forced by mechanical impulses through syringes. [23] Solidification of the bioprinted structures as they are delivered is obtained through physical, chemical, or photo-crosslinking. [24] Extrusion bioprinting is relatively inexpensive, straightforward, and convenient. It has been embodied, for example, within handheld and portable devices. [25][26][27][28][29] But such convenience must be traded off against significant challenges. Nozzle extrusion necessarily entails a high level of shear stress near the fluidic channel walls. Excessive shear, particularly in high-viscosity bioinks, jeopardizes cell viability. [30] High-resolution bioprinting often requires small-diameter nozzles. The greater shear required imposes a limit on bioink flow rate and throughput. This problem may be addressed through the use of printable shearthinning biomaterials, [31] for which the viscosity decreases under shear stress. Yet, shear-thinning bioink materials that meet all design requirements are not always available. Further notable challenges of extrusion methods include difficulties in finding stable in situ crosslinking methods for nonshear-thinning bioinks, as well as low printing resolution [32] in relation to other methods, and complications in the fabrication of freestanding constructs. [33,34] These shortcomings have spurred many enhancements, notably co-axial/core-shell bioprinting, [35] described in Section 3.1.3, and embedded bioprinting, [36] in Section 3.1.4.Inkjet bioprinting (Figure 1B), similar to home/office inkjet printing, delivers small droplets of bioink to a substrate and can produce high-resolution voxelated constructs. [37] Unlike the extrusion method, where shear-thinning bioinks with a broad range of viscosities can be used, inkjet bioprinters are mainly designed to work with low-viscosity bioinks. [38] The deposition of droplets/voxels is controlled either by thermal, piezoelectric, Bioprinting, within the emerging field of biofabrication, aims at the fabrication of functional biomimetic constructs. Different 3D bioprinting techniques have been adapted to bioprint cell-laden bioinks. However, single-material bioprinting techniques oftentimes fail to reproduce the complex compositions and diversity of native tissues. Multi-material bioprinting as...

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“…Tissue adhesives can achieve effective adhesion to tissues through the design of materials and have indicated many advantages over traditional surgical suturing techniques such as easy operation, rapid application, avoiding tissue micro-injury, and good biological and biomechanical compatibilities with tissue. [1][2][3][4] Therefore, they have been clinically used in many medical scenarios, such as wound closure, [5][6][7] surgical sealant, [8,9] regenerative medicine, [10][11][12] and device connection. [13,14] In recent years, revolutionary progress has been made in the field of tissue adhesives.…”

Section: Introductionmentioning

confidence: 99%

A Nature‐Inspired Versatile Bio‐Adhesive

Chen,

Bai

et al. 2023

Adv Healthcare Materials

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The application of most hydrogel bio‐adhesives is greatly limited due to their high swelling, low underwater adhesion and single function. Here, a spatial multi‐level physical‐chemical and bio‐inspired in‐situ bonding strategy was proposed, to develop a multifunctional hydrogel bio‐glue using PGA, TYR and TA as precursors and DMTMM as condensation agent, which was used for tissue adhesion, hemostasis and repair. By introducing TYR and TA into the PGA chain, it is demonstrated that not only can the strong adhesion of bio‐glue to the surface of various fresh tissues and wet materials be realized through the synergistic effect of spatial multi‐level physical and chemical bonding, but also this glue can be endowed with the functions of anti‐oxidation and hemostasis. The excellent performance of such bio‐glue in the repair of the wound, liver and cartilage has been achieved, showing a great potential in clinical application for such bio‐glue. This study will open up a brand‐new avenue for the development of multifunctional hydrogel biological adhesive.This article is protected by copyright. All rights reserved

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Germanium Nanosheets with Dirac Characteristics as a Saturable Absorber for Ultrafast Pulse Generation (Adv. Mater. 32/2021)

Cited by 12 publications

References 0 publications

Biomimetic, self-coacervating adhesive with tough underwater adhesion for ultrafast hemostasis and infected wound healing

Biomimetic, self-coacervating adhesive with tough underwater adhesion for ultrafast hemostasis and infected wound healing

Emerging Technologies in Multi‐Material Bioprinting

A Nature‐Inspired Versatile Bio‐Adhesive

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