photodynamic

简明释义

英[ˌfəʊtəʊdaɪˈnæmɪk]美[ˌfoʊtoʊdaɪˈnæmɪk]

adj. 光动力的，光力学的

英英释义

单词用法

同义词

反义词

例句

1.Photodynamic therapy is a state-of-the-art option for patients with port wine stains.

光动力疗法是鲜红斑痣患者最新的治疗选择。

2.Objective to assess the clinical effect of photodynamic therapy (PDT) on patients with circumscribed choroidal hemangioma.

目的观察光动力疗法(PDT)治疗孤立性脉络膜血管瘤的临床效果。

3.Objective: To study the efficacy of Chlorophyll derivative(CPD4) photodynamic therapy(PDT) against cells of human ovarian , liver and gallbladder cancers .

目的：研究叶绿素衍生物（CPD4 ）光动力学疗法（PDT）对人卵巢癌细胞、肝癌细胞、胆囊癌细胞的体外杀伤效应。

4.This method overcomes the limitation of low selectivity in the traditional photodynamic therapy of cancers.

该方法解决了传统光动力疗法在癌症治疗中的低选择性问题。

5.There were no severe complications in photodynamic therapy or percutaneous cryoablation with argon-helium system.

无论光动力抑或经皮氩氦系统冷消融，均未发生严重并发症。

6.Objectives: to investigate the apoptosis of malignant tumors induced by photodynamic therapy with laser-activated BPD-MA and its mechanisms.

目的：研究激光活化bpd - MA光动力诱导肿瘤细胞凋亡及其可能机制。

7.ObjectiveTo set up an experimental model of retinal branch vein occlusion in rabbits by photodynamic venous thrombosis.

目的应用光动力血栓法建立实验性视网膜分支静脉阻塞模型。

8.Porfimer sodium, a drug that sensitizes tumors to light, is approved by FDA, permitting photodynamic therapy in the United States.

批准肿瘤光敏感剂卟吩姆钠，允许在美国进行光动力治疗。

9.The use of photodynamic therapy in treating certain cancers has shown promising results.

在治疗某些癌症中，使用光动力疗法显示出了良好的效果。

10.Researchers are exploring photodynamic agents that can selectively target tumor cells.

研究人员正在探索可以选择性靶向肿瘤细胞的光动力药物。

11.In dermatology, photodynamic therapy is used to treat precancerous skin lesions.

在皮肤科中，光动力疗法被用于治疗癌前皮肤病变。

12.The principle of photodynamic therapy involves the activation of photosensitizers by light.

光动力疗法的原理是通过光激活光敏剂。

13.Patients undergoing photodynamic treatment may experience temporary skin sensitivity.

接受光动力治疗的患者可能会经历暂时的皮肤敏感。

作文

The field of medicine has seen remarkable advancements over the years, particularly in the realm of cancer treatment. One innovative approach that has garnered attention is the use of photodynamic therapy. This technique harnesses the power of light to activate photosensitive compounds that selectively target and destroy cancer cells. The concept of photodynamic therapy is both fascinating and promising, offering a new avenue for treating malignancies with potentially fewer side effects compared to traditional methods such as chemotherapy or radiation. At its core, photodynamic therapy involves three key components: a photosensitizer, light, and oxygen. The photosensitizer is a special drug that becomes activated when exposed to specific wavelengths of light. Once administered to the patient, it accumulates in the cancerous tissue. After a waiting period, during which the drug is allowed to concentrate in the tumor, the targeted area is then exposed to light. This light activation triggers a series of chemical reactions that produce reactive oxygen species, which are toxic to the cancer cells. The result is localized destruction of the tumor while sparing surrounding healthy tissue. One of the major advantages of photodynamic therapy is its ability to minimize collateral damage. Traditional cancer treatments often come with a host of side effects due to their systemic nature. In contrast, photodynamic therapy allows for a more targeted approach, leading to less harm to healthy cells and tissues. Patients undergoing this treatment may experience less pain, nausea, and fatigue, making it a more tolerable option for many. Moreover, photodynamic therapy can be used in combination with other treatment modalities to enhance overall effectiveness. For instance, it can be employed alongside surgery to reduce tumor size before an operation or to eliminate residual cancer cells afterward. This synergistic approach can improve patient outcomes and increase survival rates. However, like any medical treatment, photodynamic therapy is not without its challenges. One significant hurdle is the need for precise light delivery to the tumor site. This requires specialized equipment and expertise, which may not be available in all healthcare settings. Additionally, not all tumors respond equally well to photodynamic therapy, and ongoing research is focused on identifying which types of cancer are most amenable to this treatment. As we look to the future, the potential applications of photodynamic therapy continue to expand. Researchers are exploring its use beyond oncology, investigating its efficacy in treating conditions such as age-related macular degeneration and certain skin disorders. The versatility of photodynamic therapy highlights its promise as a multifaceted tool in modern medicine. In conclusion, photodynamic therapy represents a significant leap forward in cancer treatment strategies. By utilizing light to activate photosensitive agents, it offers a targeted and effective means of combating cancer with potentially fewer side effects. As research progresses and technology advances, we can hope to see even broader applications of this innovative therapy, ultimately improving the quality of life for patients facing the challenges of cancer. The journey of understanding and implementing photodynamic therapy is just beginning, and its impact on the medical field could be profound.

医学领域在近年来取得了显著的进展，尤其是在癌症治疗方面。一种引起关注的创新方法是使用光动力疗法。这种技术利用光的力量激活选择性靶向并摧毁癌细胞的光敏化合物。光动力疗法的概念既迷人又充满希望，提供了一条新的治疗恶性肿瘤的途径，相较于传统的方法，如化疗或放疗，可能具有更少的副作用。 光动力疗法的核心包括三个关键组成部分：光敏剂、光和氧。光敏剂是一种特殊药物，在暴露于特定波长的光时会被激活。一旦给患者施用，它就会在癌组织中积累。在等待一段时间后，允许药物在肿瘤中浓缩，随后将目标区域暴露于光下。这种光激活触发一系列化学反应，产生对癌细胞有毒的活性氧物质。结果是局部破坏肿瘤，同时保护周围健康组织。 光动力疗法的主要优点之一是能够最小化附带损伤。传统的癌症治疗通常伴随着大量副作用，因为其全身性质。相比之下，光动力疗法允许更具针对性的方法，从而减少对健康细胞和组织的伤害。接受这种治疗的患者可能会经历较少的疼痛、恶心和疲劳，使其成为许多人更可耐受的选择。 此外，光动力疗法可以与其他治疗方式结合使用，以增强整体效果。例如，它可以在手术前用于减少肿瘤大小，或在手术后消除残留的癌细胞。这种协同方法可以改善患者的结果，提高生存率。 然而，像任何医疗治疗一样，光动力疗法也面临着挑战。其中一个重大障碍是需要精确地将光传递到肿瘤部位。这需要专业设备和专业知识，这在所有医疗保健环境中可能并不普遍。此外，并非所有肿瘤对光动力疗法的反应都同样良好，正在进行的研究专注于识别哪些类型的癌症最适合这种治疗。 展望未来，光动力疗法的潜在应用继续扩展。研究人员正在探索其在治疗年龄相关黄斑变性和某些皮肤疾病等病症中的有效性。光动力疗法的多功能性突显了它作为现代医学多面工具的承诺。 总之，光动力疗法代表了癌症治疗策略的重大飞跃。通过利用光激活光敏剂，它提供了一种有针对性且有效的手段来对抗癌症，可能具有更少的副作用。随着研究的进展和技术的进步，我们希望看到这种创新疗法的应用更加广泛，最终改善面对癌症挑战的患者的生活质量。理解和实施光动力疗法的旅程才刚刚开始，其对医疗领域的影响可能是深远的。