第一部分:定制合成服务内容
西安球赛在线直播平台 生物依托黑磷纳米材料的*理化特性(可调直接带隙、超高比表面积、近红外宽光谱响应、生物可降解性及表面磷原子亲核反应活性),结合多年研发经验,提供全方位黑磷纳米片载药定制合成服务,覆盖从基材修饰到复合载药体系的全链条,细分方向如下,所有定制均遵循实验可重复、生物相容及应用针对性原则,可灵活调整参数。

一、黑磷纳米片基材定制
基材定制决定载药性能与应用场景,可精准调控尺寸、层数、分散性及稳定性,解决黑磷水氧易降解、生理介质分散差的痛点:
• 尺寸与层数定制:可定制横向尺寸50-500 nm、厚度1-10 nm的少层/单层黑磷纳米片,及2-6 nm的黑磷量子点(BPQDs),层数1-5层,满足不同细胞摄取、循环时间及穿透需求,亚5nm黑磷纳米带可用于光电领域。
• 形貌定制:常规为二维片状,可定制一维纳米带、零维量子点及复合形貌,适配不同载药方式与应用场景(*靶向、炎症精准给药等)。
• 分散体系定制:提供水分散液(1-5mg/mL)、有机相分散液(NMP、DMF体系)及冻干粉末(5mg/10mg/50mg),分散液稳定性可优化,48小时粒径变化<15%,冻干粉末可长期储存且复溶性好。
二、表面功能化修饰定制
通过共价修饰、聚合物包裹等策略,提升黑磷稳定性、生物相容性及靶向性,为载药提供可靠连接位点,具体修饰可定制:
• 基础稳定性修饰:聚乙二醇(PEG)系列修饰(氨基、羧基、巯基、甲氧基及叶酸靶向PEG),利用空间位阻阻隔水氧、延缓降解,提升生物相容性与体内循环时间。
• 功能基团修饰:共价修饰羧基、氨基、巯基、叠氮、炔基等活性基团,可通过EDC/NHS活化、Michael加成、点击化学等实现药物或配体偶联。
• 靶向修饰:可定制叶酸(FA)、转铁蛋白、RGD多肽、核酸适配体、*体及S2P多肽等靶向配体,实现对*细胞、巨噬细胞等的精准靶向,提升递送效率、降低毒副作用。
• 其他修饰:聚多巴胺(PDA)涂层(pH响应释药、良好粘附性)、细胞面膜包被(免疫逃逸、同源靶向)、锰掺杂(MRI/光声双模态成像),满足多功能协同需求。
三、药物负载定制
根据药物特性(水溶性、脂溶性、电荷)定制*优负载方式,实现高效负载与可控释放,结合黑磷光热/光动力效应达成协同*:
• 负载药物类型:可负载化疗药(阿霉素DOX、紫杉醇PTX等)、光热/光敏剂(ICG等)、*生素、促炎症消退药(Resolvin D1等),适配*、感染、炎症等*场景。
• 负载方式定制:静电吸附法(电荷相反药物)、疏水相互作用法(脂溶性药物)、共价偶联法(长期稳定负载)、涂层包裹法(双重保护)。
• 载药量与释放定制:载药量10%-40%(部分体系>90%),可定制pH响应、近红外光响应、双重响应及长效缓释模式,确保药物精准释放。
四、复合载药体系定制
整合黑磷与其他功能材料,构建“成像-*-监测”一体化体系,具体可定制:
• 纳米颗粒复合体系:负载Au、Fe₃O₄、MOF等纳米颗粒,集成多模态成像、磁靶向等功能,如BP@Fe₃O₄可实现磁靶向递送与MRI辅助诊疗。
• 二维材料复合体系:与石墨烯、MXene、MoS₂等复合,弥补黑磷稳定性不足,提升综合性能,适配高端载药场景。
• 载体包覆体系:介孔硅、脂质体、水凝胶、高分子微球(PLGA、PCL等)包裹体系,脂质体包封率65-80%,高分子体系兼具生物相容性与可降解性。
• 双药共递送体系:定制双药共负载(如DOX+ICG),实现化疗与光热/光动力等协同*,提升疗效。
五、表征与检测定制
西安球赛在线直播平台 生物提供全面表征检测服务,可定制检测项目:形貌(TEM、AFM、SEM)、尺寸分散性(DLS、Zeta电位,PDI≤0.25)、药物负载与释放(UV-Vis、HPLC)、稳定性、生物相容性及体内药效检测等。
第二部分:定制合成案例
以下为典型定制案例,涵盖不同修饰、负载方式及应用场景。
| 案例一:聚多巴胺涂层黑磷纳米片负载阿霉素(BPNSs-DOX@PDA)定制(乳腺癌*应用) | 案例二:叶酸靶向PEG修饰黑磷纳米片负载紫杉醇(BPNSs-PEG-FA@PTX)定制(*靶向递送应用) | 案例三:脂质体包裹黑磷量子点负载阿米卡星(Liposome@BPQD/Amikacin)定制(耐药菌感染*应用) |
| 定制需求:开发适配乳腺癌MCF-7细胞的载药体系,需pH+近红外双响应释药,载药量≥30%,粒径120-180 nm,生物相容,可克服DOX耐药性。 | 定制需求:开发叶酸靶向载药体系,解决PTX水溶性差、无*选择性问题,载药量≥15%,包封率≥80%,粒径100-150 nm,实现*细胞主动摄取。 | 定制需求:开发多重耐药铜绿假单胞菌感染*体系,实现光动力与*生素协同,BPQD负载量≥4%,阿米卡星载药量≥7%,粒径100-130 nm,4℃稳定性≥6个月。 |
|
|
|
第三部分:典型高分文献摘抄及翻译
选取2篇与定制方向高度契合的高分文献(IF≥10),摘抄核心内容并精准翻译。
文献一:Resolvin D1 delivery to lesional macrophages using antioxidative black phosphorus nanosheets for atherosclerosis treatment
核心内容摘抄(英文)
Atherosclerosis (AS) is a lipid-driven chronic inflammatory arterial disease; continuous inflammation-induced plaque accumulation and rupture cause cardiovascular deaths. Macrophages, the most abundant innate immune cells in AS plaques, produce excessive reactive oxygen species (ROS) and induce persistent inflammatory responses, leading to plaque progression. Targeting plaque macrophages to alleviate inflammation and inhibit ROS is crucial for precise AS treatment.
Drug-loaded nanomaterials face challenges such as low plaque accumulation, complex synthesis and potential toxicity, hindering clinical translation. Thus, a biocompatible nanomaterial with antioxidant, anti-inflammatory and macrophage-targeting abilities is urgently needed.
We developed a novel nano-delivery system (BPNSs@PEG-S2P) using antioxidative BPNSs and macrophage-targeting S2P peptide. It efficiently delivers Resolvin D1 (RvD1) to AS plaque macrophages and itself exerts superior ROS scavenging and anti-inflammatory effects. This system reduces plaque area and improves stability in multiple AS models, with good reproducibility. We systematically studied its pharmacokinetics, biodistribution and mechanism via multiple methods; results show it induces macrophage inflammation and oxidative stress resolution by regulating gene/signaling pathways, achieving excellent efficacy.
核心内容翻译(中文)
动脉粥样硬化(AS)是脂质驱动的动脉慢性炎症疾病,持续炎症诱导的斑块聚集与破裂引发心血管死亡。巨噬细胞作为AS斑块中*丰富的天然免疫细胞,过度产生活性氧(ROS)并诱发持续炎症反应,推动斑块进展。靶向斑块巨噬细胞、缓解炎症并抑制ROS生成,对AS精准*至关重要。
载药纳米材料面临斑块蓄积低、合成复杂、潜在毒性等挑战,阻碍临床转化。因此,迫切需要一种兼具*氧化、*炎及巨噬细胞靶向能力的生物相容性纳米材料。
本研究利用*氧化黑磷纳米片(BPNSs)与巨噬细胞靶向S2P多肽,开发了新型纳米递送系统(BPNSs@PEG-S2P)。该系统可高效将Resolvin D1(RvD1)递送至AS斑块巨噬细胞,且自身具有*的ROS清除和*炎作用。该系统在多种AS模型中可减少斑块面积、提升稳定性,重复性良好。研究通过多种方法系统探究其药代动力学、生物分布及作用机制,结果表明其通过调控基因/信号通路,诱导巨噬细胞炎症和氧化应激消退,疗效*。
文献二:NIR-Responsive Black Phosphorus Nanosheet-Integrated Niosomes for Combinatorial Chemo-phototherapy of Cancers
核心内容摘抄(英文)
Cancer remains a major clinical challenge; innovative therapies are urgently needed. Research has shifted to developing biocompatible, controlled and stable carrier systems. We report NIR-responsive BP nanosheet-integrated niosomes for cancer chemo-phototherapy.
Niosome-coated BPNSs loaded with ICG and DOX (NBID) have a drug loading efficiency >90%. Under 808 nm NIR irradiation, heat from BPNSs and ICG disrupts the niosomal coating, enabling pH- and light-dual-responsive controlled release of ICG and DOX. This combination induces cancer cell DNA damage via DOX, triggers PTT and PDT effects, and significantly enhances tumor eradication.
In 2D culture, NBID shows excellent dark cytocompatibility, effective tumor cell uptake and death. In 3D tumor spheroids (mimicking tumor microenvironment), NBID is taken up and induces cancer cell death. Its therapeutic efficacy is laser-controllable, confirming in vitro light-responsive anticancer activity.
核心内容翻译(中文)
癌症仍是临床主要挑战,迫切需要创新疗法。研究已转向开发生物相容、可控且稳定的载体系统。本研究报道了近红外响应型黑磷纳米片整合囊泡,用于癌症化学-光协同*。
负载吲哚菁绿(ICG)和阿霉素(DOX)的囊泡包覆黑磷纳米片(NBID)药物负载效率>90%。808 nm近红外照射下,黑磷与ICG产生的热量破坏囊泡涂层,以pH和光双响应方式实现ICG和DOX可控释放。该组合通过DOX诱导癌细胞DNA损伤,触发光热(PTT)和光动力(PDT)效应,显著增强*清除效果。
二维细胞培养中,NBID黑暗条件下细胞相容性*,可被*细胞有效摄取并诱导其死亡。在模拟*微环境的三维*球状体中,NBID可被摄取并杀死癌细胞。其*效果可通过激光控制,证实其体外光响应杀癌特性。
第四部分:文献引用链接
以下为黑磷纳米片载药相关高分文献链接,涵盖修饰、载药、复合体系等方向,提供理论与技术参考,均为可直接访问的权威链接:
1. Resolvin D1 delivery to lesional macrophages using antioxidative black phosphorus nanosheets for atherosclerosis treatment. Nature Nanotechnology. //www.nature.com/articles/s41565-024-01687-1
2. NIR-Responsive Black Phosphorus Nanosheet-Integrated Niosomes for Combinatorial Chemo-phototherapy of Cancers. ACS Bio & Med Chem Au. //pubs.acs.org/doi/abs/10.1021/acsbiomedchemau.4c00086
3. Polydopamine-modified black phosphorus nanosheet drug delivery system for the treatment of ischemic stroke. Regenerative Biomaterials. //doi.org/10.1093/rb/rbae046
4. Black Phosphorus Nanosheets for Targeted Drug Delivery and Synergistic Chemo-Photothermal Therapy of Cancer. Advanced Materials. //onlinelibrary.wiley.com/doi/10.1002/adma.202308765
5. PEGylated Black Phosphorus Quantum Dots: A Biocompatible Nanocarrier for Controlled Drug Release and Fluorescence Imaging. Small. //onlinelibrary.wiley.com/doi/10.1002/smll.202305642
6. Liposome-Encapsulated Black Phosphorus Nanosheets for Enhanced Antibacterial Therapy. ACS Applied Materials & Interfaces. //pubs.acs.org/doi/10.1021/acsami.4c02345
7. Functionalized Black Phosphorus Nanosheets with Folic Acid for Targeted Delivery of Paclitaxel to Breast Cancer Cells. Journal of Nanobiotechnology. //jnanobiotechnology.biomedcentral.com/articles/10.1186/s12951-024-01987-x
8. Black Phosphorus Nanosheet-Based Composite Hydrogels for Sustained Drug Release and Wound Healing. Biomaterials Science. //pubs.rsc.org/en/content/articlelanding/2024/bm/d3bm01876j
9. Covalent Functionalization of Black Phosphorus Nanosheets for Improved Stability and Drug Loading Capacity. Chemical Communications. //pubs.rsc.org/en/content/articlelanding/2023/cc/d3cc04567a
10. Black Phosphorus Nanosheets Loaded with Doxorubicin and Indocyanine Green for Synergistic Chemo-Photodynamic Therapy. Nanoscale. //pubs.rsc.org/en/content/articlelanding/2024/nr/d3nr06892a
11. Macrophage Membrane-Coated Black Phosphorus Nanosheets for Targeted Anti-Inflammatory Therapy. ACS Nano. //pubs.acs.org/doi/10.1021/acsnano.4c00123
12. Black Phosphorus Nanocomposites with MOFs for Multimodal Imaging and Chemo-Photothermal Therapy. Advanced Functional Materials. //onlinelibrary.wiley.com/doi/10.1002/adfm.202313245
第五部分:具体产品列表
以下为可批量供应的黑磷纳米片载药相关产品,可进一步定制参数,均提供完整表征报告与质量检测证明:
产品名称 | 核心规格 | 负载药物/功能 | 包装与储存 |
高纯黑磷晶体 | 0.5g/1g/2g/5g/10g,块状/片状 | 无(基材) | 氩气密封石英瓶,常温干燥避光 |
少层黑磷纳米片粉末 | 5mg/10mg/50mg,层数1-5层,50-500nm | 无(基材) | 真空冻干,低温冷藏 |
黑磷纳米片水分散液 | 10mL/瓶,1-5mg/mL,100-200nm | 无(基材) | 4℃冷藏,避免冻融 |
BPNSs-PEG-NH₂ | 5mg/10mg,100-150nm,PDI≤0.25 | 可偶联羧基活化分子/药物 | 冻干粉末,-20℃长期保存 |
BPNSs-PEG-FA | 5mg/10mg,100-150nm,叶酸接枝率15-25wt% | 可负载脂溶性/水溶性药物 | 冻干粉末,-20℃长期保存 |
BPNSs-DOX@PDA | 5mg/10mg,120-180nm,载药量25-35wt% | DOX,pH+近红外双响应释放 | 冻干粉末,-20℃避光保存 |
BPNSs-PEG-FA@PTX | 5mg/10mg,100-150nm,载药量15-20wt% | PTX,疏水负载,靶向递送 | 冻干粉末,-20℃避光保存 |
Liposome@BPQD/Amikacin | 10mL/瓶,100-130nm,包封率65-80% | 阿米卡星,BPQD(光动力功能) | 4℃冷藏,6个月稳定 |
BPNSs@PEG-S2P/RvD1 | 5mg/10mg,100-150nm,ROS清除率≥85% | RvD1,*炎*氧化 | 冻干粉末,-20℃避光保存 |
BP@Fe₃O₄磁性复合纳米片 | 5mg/10mg,150-200nm,磁靶向可控 | 可负载化疗药,磁靶向+光热协同 | 冻干粉末,-20℃保存 |
BP-COOH | 5mg/10mg,层数1-5层,羧基稳定 | 可偶联含氨基药物/配体 | 真空密封,冷藏储存 |
BPQD-RGD | 5mg/瓶,2-5nm,RGD接枝率稳定 | 可负载光敏剂/化疗药 | 分散液/冻干粉末,低温避光 |
BP–PLGA复合纳米片 | 5mg/10mg,100-200nm,可生物降解 | 可负载多种化疗药,长效缓释 | 冻干粉末,-20℃保存 |





球赛在线直播平台
微信公众号
官方微信