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A comprehensive review on biogenically synthesized inorganic nanoparticles and their applications in anticancer activities 生物合成无机纳米粒子及其在抗癌活动中的应用综述
Pub Date : 2023-08-16 DOI: 10.58567/bab02010004
Zahra Barreto, Areej Fatima, Tuba Tariq, A. Zafar, M. S. Saif, Amina Zafar, Areeba Yousaf, Huang Xue, M. Hasan
The progression in nanotechnology has revolutionized the biomedical sciences for diagnosis and treatment of diseases like cancer. There have been many kinds of nanomaterials but Inorganic nanomaterials have been considered potential candidates for anticancer activities due to their high biocompatibility, less toxicity, high stability, and high precision in targeting affected cells. Several synthesis approaches have been used to prepared these nanoparticles, such as physical, chemical, and biogenic methods. Due to higher toxicity and adverse effects of chemical methods, eco-friendly way such as biosynthesized inorganic nanomaterials have attained much attention for multiple application particularly treatment of diseases. This review presents a comprehensive and updated knowledge (2015-2023) regarding the cancer treatment. The article first categorizes biogenically synthesized inorganic nanoparticles into three main groups: metallic nanoparticles, metal oxide nanoparticles, and quantum dots and then successful stories related to cancer treatment. This will also provide very effective platform for researchers and academia to detail the biogenically synthesized inorganic nanoparticles’ morphology, their characterization, targeted cancer cells.
纳米技术的发展彻底改变了用于诊断和治疗癌症等疾病的生物医学科学。纳米材料有很多种,但无机纳米材料因其生物相容性好、毒性小、稳定性高、靶向受影响细胞的精确度高而被认为是抗癌活动的潜在候选材料。人们采用了多种合成方法来制备这些纳米粒子,如物理、化学和生物方法。由于化学方法的毒性和不良影响较大,生物合成无机纳米材料等生态友好型方法在多种应用领域,尤其是疾病治疗领域受到广泛关注。本综述全面介绍了有关癌症治疗的最新知识(2015-2023 年)。文章首先将生物合成的无机纳米粒子分为三大类:金属纳米粒子、金属氧化物纳米粒子和量子点,然后介绍了与癌症治疗相关的成功案例。这也将为研究人员和学术界详细介绍生物合成无机纳米粒子的形态、特性和靶向癌细胞提供非常有效的平台。
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引用次数: 0
Application of nanodrugs in the treatment of cardiovascular diseases 纳米药物在心血管疾病治疗中的应用
Pub Date : 2023-07-17 DOI: 10.58567/bab02010003
Qiang Xie, Hongmei Yang, Wenjie Shi
Cardiovascular disease is still a disease with high incidence rate and mortality. Although advanced technology continues to increase our understanding of cardiovascular disease, its diagnosis and treatment still have limitations. As an emerging interdisciplinary method, nanotechnology has shown enormous clinical application potential. Nanomaterials have unique physical and chemical properties, which help to improve the sensitivity and specificity of biosensor technology and molecular imaging technology in the diagnosis of cardiovascular diseases. This paper first summarizes the versatility of nanomaterials, the physicochemical adjustability of biomolecular engineering, the design strategy of nanoparticles in cardio cerebral Vascular disease, the application of nanomaterials in the diagnosis and treatment of common cardiovascular diseases, and the use of nanomaterials can significantly improve the diagnostic sensitivity, specificity and therapeutic effect. Subsequently, the article summarized various nanomaterials. Finally, the article demonstrated the potential of the antioxidant/anti-inflammatory and photoelectric/photothermal properties of nanomaterials to be directly applied to the treatment of cardiovascular diseases.
心血管疾病仍然是一种高发病率和高死亡率的疾病。虽然先进的技术不断增加我们对心血管疾病的了解,但其诊断和治疗仍然存在局限性。纳米技术作为一种新兴的跨学科方法,已显示出巨大的临床应用潜力。纳米材料具有独特的物理和化学性质,有助于提高生物传感器技术和分子成像技术在心血管疾病诊断中的灵敏度和特异性。本文首先综述了纳米材料的通用性、生物分子工程的理化可调性、纳米材料在心脑血管疾病中的设计策略、纳米材料在常见心血管疾病诊断和治疗中的应用,以及使用纳米材料可显著提高诊断敏感性、特异性和治疗效果。随后,文章对各种纳米材料进行了总结。最后,文章展示了纳米材料的抗氧化/抗炎和光电/光热特性直接应用于心血管疾病治疗的潜力。
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引用次数: 0
Overcoming the challenge: cell-penetrating peptides and membrane permeability 克服挑战:细胞穿透肽和膜渗透性
Pub Date : 2023-06-29 DOI: 10.58567/bab02010002
Yuan Gu, Long Wu, Y. Hameed, M. Nabi-Afjadi
Cell-penetrating peptides (CPPs) have emerged as a promising strategy for enhancing the membrane permeability of bioactive molecules, particularly in the treatment of central nervous system diseases. CPPs possess the ability to deliver a diverse array of bioactive molecules into cells using either covalent or non-covalent approaches, with a preference for non-covalent methods to preserve the biological activity of the transported molecules. By effectively traversing various physiological barriers, CPPs have exhibited significant potential in preclinical and clinical drug development. The discovery of CPPs represents a valuable solution to the challenge of limited membrane permeability of bioactive molecules and will continue to exert a crucial influence on the field of biomedical science.
细胞穿透肽(CPPs)已成为增强生物活性分子膜通透性的一种有前景的策略,特别是在中枢神经系统疾病的治疗中。CPPs具有使用共价或非共价方法将多种生物活性分子传递到细胞中的能力,并优先使用非共价方法来保持被转运分子的生物活性。通过有效地穿越各种生理屏障,cps在临床前和临床药物开发中显示出巨大的潜力。CPPs的发现为解决生物活性分子膜渗透性有限的挑战提供了有价值的解决方案,并将继续对生物医学科学领域产生至关重要的影响。
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引用次数: 1
Advances in Novel Tumor Therapeutics Based on Nanomaterial Technologies 基于纳米材料技术的新型肿瘤治疗方法研究进展
Pub Date : 2023-05-23 DOI: 10.58567/bab02010001
Chen Li, Yi Liu
Cancer is the leading cause of death in the world, throughout the global researches of cancer treatment, people have a deeper understanding of cancer, and the treatment methods are constantly breakthrough. Conventional surgery, chemotherapy and radiotherapy have serious adverse effects and patients' quality of life is not significantly improved. Now, photodynamic therapy, photothermal therapy andthermodynamic therapy based on nanotechnology and materials technology are booming, and the development of these novel cancer therapies and their combination therapies brings more possibilities for cancer treatment. This review summarizes the research progress of novel cancer therapies based on nano and material technology from the aspects of mechanism of action and therapeutic methods, hoping to provide reference for their clinical application.
癌症是世界上导致死亡的首要原因,纵观全球对癌症治疗的研究,人们对癌症有了更深入的了解,治疗方法也在不断突破。常规手术、化疗、放疗不良反应严重,患者生活质量无明显改善。目前,基于纳米技术和材料技术的光动力疗法、光热疗法和热力学疗法正在蓬勃发展,这些新型癌症疗法及其联合疗法的发展为癌症治疗带来了更多的可能性。本文从作用机制和治疗方法等方面综述了基于纳米和材料技术的新型肿瘤治疗方法的研究进展,希望为其临床应用提供参考。
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引用次数: 1
An DNA Enzyme Electrochemiluminescence Biosensor for Ultra-sensitive Detection of Pb2+ Based on CdS/MoS2 Joint Amplification 基于CdS/MoS2联合扩增的Pb2+超灵敏DNA酶电化学发光生物传感器
Pub Date : 2022-12-30 DOI: 10.58567/bab01010003
Rui Yang
Lead (Pb) is one of the most serious heavy metals to human health and ecological environment. Excessive lead can lead brain retardation and liver and kidney damage. In this work, a novel electrochemiluminescence (ECL) biosensor based on CdS quantum dots (CdS QDs)/MoS2 enzyme assist multiple amplification and DNA enzyme was designed to achieve high sensitivity detection of Pb2+. AuNPs-PDDA-MoS2 complex was synthesized as sensing substrate. The thiol-labeled T30695 DNA was assembled on the surface of the electrode via Au-S bonds, following which the amino-labeled ends of the DNA were linked to the CdS QDs by the formation of amide bonds. In the presence of Pb2+, the G bases of DNA sequence formed G- tetraplex (G4) structure, DNA enzymes were then further synthesized. The catalytic oxidation of H2O2 by DNA enzyme and AuNPs-MoS2 composite resulted in a significant decrease of electrochemiluminescence of CdS QDs with H2O2. The detection range of the biosensor was 1.0×10-14 - 5.0×10-11mol/L (R = 0.9992) with a detection limit of 1×10-15 mol/L. This biosensor can detect Pb2+ in real water samples with satisfactory results.
铅是对人类健康和生态环境影响最严重的重金属之一。过量的铅会导致脑发育迟缓和肝肾损伤。本文设计了一种基于CdS量子点(CdS QDs)/MoS2酶辅助多重扩增和DNA酶的电化学发光(ECL)生物传感器,实现了Pb2+的高灵敏度检测。合成了AuNPs-PDDA-MoS2配合物作为传感底物。巯基标记的T30695 DNA通过Au-S键组装在电极表面,随后DNA的氨基标记端通过酰胺键与CdS量子点连接。在Pb2+存在下,DNA序列的G碱基形成G-四聚体(G4)结构,进一步合成DNA酶。DNA酶和AuNPs-MoS2复合材料对H2O2的催化氧化导致CdS量子点的H2O2电化学发光显著降低。该传感器的检测范围为1.0×10-14 ~ 5.0×10-11mol/L (R = 0.9992),检出限为1×10-15 mol/L。该传感器可对实际水样中的Pb2+进行检测,结果令人满意。
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引用次数: 0
Development of an Electrochemical Aptasensor for Ultrasensitive Detection of Tetracycline in Eggs 鸡蛋中四环素超灵敏检测电化学配体传感器的研制
Pub Date : 2022-12-30 DOI: 10.58567/bab01010002
Jianqi Li, Xin Jin
In recent years, in order to prevent the occurrence of various diseases, the fncscrambled misuse of antibiotics is quite serious, and the residues of antibiotics such as tetracycline in eggs can also cause damage to human health. A double-stranded DNA probe modified with ferrocene was immobilized onto a gold nanoparticle modified substrate. Tetracycline was added to form a strong affinity binding between the target and the aptamer. During this process, the complementary strand was detached from the electrode surface. Therefore, the measured electrical signal attenuates with the emergence of the target. The linear response of tetracycline concentration to the signal ranged from 0.0005μM~50μM. The fabricated biosensor showed excellent selectivity. The accurate detection limit can be as low as 0.5 nm. Further, in the determination of tetracycline concentrations in water and egg samples, the fabricated biosensor showed excellent selectivity. Furthermore, the applicability of the developed sensor was demonstrated in the determination of tetracycline concentrations in egg samples. The spiking recoveries ranged from 96.18% to 102.75% which reached acceptable level. This detection sensor is simple, time-saving, selective and efficient, which can provide potential services in food production safety, environmental detection and so on.
近年来,为了预防各种疾病的发生,抗生素的功能性误用相当严重,而四环素等抗生素在鸡蛋中的残留也会对人体健康造成损害。将二茂铁修饰的双链DNA探针固定在金纳米颗粒修饰的底物上。加入四环素,使靶标与适体之间形成强亲和力结合。在此过程中,互补链从电极表面分离。因此,被测电信号随着目标的出现而衰减。四环素浓度对信号的线性响应范围为0.0005μM~50μM。所制备的生物传感器具有良好的选择性。准确检出限可低至0.5 nm。此外,在测定水和鸡蛋样品中的四环素浓度时,所制备的生物传感器表现出良好的选择性。此外,所开发的传感器在测定鸡蛋样品中四环素浓度方面的适用性得到了证明。加样回收率为96.18% ~ 102.75%,均达到可接受水平。该检测传感器简单、省时、选择性强、效率高,可在食品生产安全、环境检测等方面提供潜在的服务。
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引用次数: 0
Noninvasive Deep-Tissue Temperature Monitoring Based on Magnetic Mediated Thermoacoustics 基于磁介导热声学的无创深部组织温度监测
Pub Date : 2022-12-30 DOI: 10.58567/bab01010005
Siyu Liu
Noninvasive acquisition of deep tissue temperature has important applications in home health monitoring, hyperthermia safety control, and other domains. In this work, we present here a novel magnetically mediated thermoacoustic temperature measurement method. Utilizing coil to stimulate amplitude modulated magnetic field and ultrasound transducer to receive the generated thermoacoustic wave from the inserted magnetic nanoparticles. Benefiting from the high sensitivity of thermoacoustic emission from nanoparticles and the deep penetration capability of both magnetic field and ultrasound propagation, the proposed thermoacoustic temperature measurement system enables a high measurement accuracy of 0.5 degrees Celsius in real time. This work potentially facilitates further development of closed loop magnetic hyperthermia for practical clinical applications.
深层组织温度的无创采集在家庭健康监测、热疗安全控制等领域有着重要的应用。在这项工作中,我们提出了一种新的磁介导热声测温方法。利用线圈激发调幅磁场,利用超声换能器接收插入的磁性纳米颗粒产生的热声波。利用纳米颗粒热声发射的高灵敏度以及磁场和超声波传播的深度穿透能力,所提出的热声测温系统可以实现0.5摄氏度的实时测量精度。这项工作有可能促进闭环磁热疗在实际临床应用中的进一步发展。
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引用次数: 0
Detection of 16 kDa Protein from Mycobacterium Tuberculosis Using Interdigitated Electrode 交叉指状电极检测结核分枝杆菌16kda蛋白
Pub Date : 2022-12-30 DOI: 10.58567/bab01010001
S. S. Rani, S. Gopinath
In the past, researchers investigated the immune response acting against mycobacterial antigens in tuberculosis (TB). Several ELISA tests have been conducted for the diagnosis of tuberculosis. Other researchers manipulated 16 kDa antigen from Mycobacterium Tuberculosis to develop a tuberculosis diagnostic test while some others studied the subspecies of M. tuberculosis. In the present study, we explored the possibilities of detecting 16 kDa protein derived from M. tuberculosis, on an interdigitated electrode (IDE). Measurements with Electrochemical impedance spectroscopy and current-volt systems were demonstrated using antibody as the probe. Further, the involvement of gold nanoparticle for the signal-enhancement and high-performance are evidenced. The specificity in the serum containing samples is used to show the clinical relevancy. 16 kDa antigen used in this experiment is highly reliable for TB diagnosis as it largely expresses and can be implemented in other sensing system.
过去,研究人员研究了结核(TB)中针对分枝杆菌抗原的免疫反应。为诊断肺结核进行了几种酶联免疫吸附试验。其他研究人员操纵结核分枝杆菌的16kda抗原来开发结核病诊断测试,而其他一些研究人员则研究结核分枝杆菌的亚种。在本研究中,我们探索了在交叉指状电极(IDE)上检测结核分枝杆菌衍生的16kda蛋白的可能性。以抗体为探针,演示了电化学阻抗谱和电流-伏特系统的测量方法。进一步证明了金纳米颗粒在信号增强和高性能方面的作用。血清样本的特异性用于显示临床相关性。本实验使用的16kda抗原大量表达,可在其他传感系统中实施,对结核病的诊断具有较高的可靠性。
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引用次数: 0
Polymers containing natural plant phenolic compounds for peripheral nerve injury 含有天然植物酚类化合物的聚合物用于周围神经损伤
Pub Date : 2022-12-30 DOI: 10.58567/bab01010004
Tongyan Zheng, Shuoke Qiu, Lei Li, Binglong Li, Meng Zhang
Peripheral nerve injury is a serious and disabling disease prevalent in the world. It caused by trauma is often accompanied with soft tissue injuries, fractures, infections, etc., and can cause permanent damage. The treatment methods of peripheral nerve injury mainly include traditional microsurgical repair, neurotrophic drug treatment, as well as cuttingedge nerve conduit treatment, nerve stimulation, cell therapy, etc. However, more than 30% of patients with peripheral nerve injury still have poor recovery, including partial loss or complete loss of motor and/or sensory function, muscle atrophy,chronic pain and severe disability, among can lead to permanent disease. Phenolic compounds are secondary metabolites which is the most abundant in plants, consisting of an aromatic ring and one or more hydroxyl substituents, the main groups including flavonoids, phenolic acids, tannins, stilbene and lignans. A lot of studies have shown that natural phenolic compounds have various properties, such as antioxidant, anti-infective, anticancer, anti-inflammatory, etc., and have broad applications in the prevention of heart disease, cancer, diabetes, oxidative stress-related diseases, and neuroprotection prospect. This review discusses the potential applications and molecular mechanisms of natural phenolic compounds its polymer derivatives in the treatment of peripheral nerve injury.
周围神经损伤是世界范围内普遍存在的严重致残疾病。它由外伤引起,常伴有软组织损伤、骨折、感染等,并可造成永久性损伤。周围神经损伤的治疗方法主要有传统的显微外科修复、神经营养药物治疗,以及前沿的神经导管治疗、神经刺激、细胞治疗等。然而,仍有30%以上的周围神经损伤患者恢复不良,包括运动和/或感觉功能部分丧失或完全丧失,肌肉萎缩,慢性疼痛和严重残疾,其中可导致永久性疾病。酚类化合物是植物中含量最多的次生代谢产物,由一个芳香环和一个或多个羟基取代基组成,主要基团有黄酮类、酚酸类、单宁类、苯乙烯类和木脂素类。大量研究表明,天然酚类化合物具有抗氧化、抗感染、抗癌、抗炎等多种特性,在预防心脏病、癌症、糖尿病、氧化应激相关疾病以及神经保护等方面有着广泛的应用前景。本文综述了天然酚类化合物及其聚合物衍生物在周围神经损伤治疗中的潜在应用及其分子机制。
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引用次数: 0
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Biomaterials and Biosensors
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