S. Singha的作品

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一位科学家正用镊子夹着一块带有样品点的薄层色谱（TLC）板，准备将其放入流动相溶剂槽中进行化学分析。

ID:1834527397 一位科学家正用镊子夹着一块带有样品点的薄层色谱（TLC）板，准备将其放入流动相溶剂槽中进行化学分析。

科学家戴手套的手用不锈钢刮刀将物质转移到小瓶中，在实验室用四位小数精度的四位数字分析天平称重样品

ID:869834217 科学家戴手套的手用不锈钢刮刀将物质转移到小瓶中，在实验室用四位小数精度的四位数字分析天平称重样品

科学家在实验室通风橱中使用微量移液器进行样本制备，用于实验室中 96 孔微孔板上的体外细胞生物测定。

ID:547281862 科学家在实验室通风橱中使用微量移液器进行样本制备，用于实验室中 96 孔微孔板上的体外细胞生物测定。

Close-up of fresh leaves with molecular structure illustration of flavonoid glycoside compound. Concept of herbal medicine, natural skincare, antioxidant research, and phytochemistry.

ID:1761133363 Close-up of fresh leaves with molecular structure illustration of flavonoid glycoside compound. Concept of herbal medicine, natural skincare, antioxidant research, and phytochemistry.

特写镜头，科学家在实验室通风橱中使用微量移液器进行样本制备，用于实验室中微孔板上体外细胞的生物测定。医学、医学研究。

ID:551174277 特写镜头，科学家在实验室通风橱中使用微量移液器进行样本制备，用于实验室中微孔板上体外细胞的生物测定。医学、医学研究。

从留兰香树中提取的薄荷醇化合物的化学结构，薄荷醇是香蜂草属植物中的主要化合物。玻璃盘上新鲜留兰香树的特写。

ID:542703015 从留兰香树中提取的薄荷醇化合物的化学结构，薄荷醇是香蜂草属植物中的主要化合物。玻璃盘上新鲜留兰香树的特写。

Scientist man explains the analyzed result of UV, nanoparticle size of the sample as shown on monitor. Biotechnology research from herbal plants for pharmaceutical and cosmetic product development.

ID:552874923 Scientist man explains the analyzed result of UV, nanoparticle size of the sample as shown on monitor. Biotechnology research from herbal plants for pharmaceutical and cosmetic product development.

辣椒籽中辣椒素的化学结构，辣椒中辣椒素的产量百分比取决于每个品种

ID:542550380 辣椒籽中辣椒素的化学结构，辣椒中辣椒素的产量百分比取决于每个品种

专注的女科学家在现代化农业温室中分析植物健康状况

AIGCID:748398541 专注的女科学家在现代化农业温室中分析植物健康状况

一套用于薄层色谱（TLC）的实验室玻璃仪器，包括展开槽、样品溶液瓶和一个装有10毫升溶剂的量筒

ID:1835681474 一套用于薄层色谱（TLC）的实验室玻璃仪器，包括展开槽、样品溶液瓶和一个装有10毫升溶剂的量筒

薄层色谱（TLC）板在玻璃层析缸内展开，分离化合物，旁边配有用于化学分析的样品瓶和镊子

ID:1835681458 薄层色谱（TLC）板在玻璃层析缸内展开，分离化合物，旁边配有用于化学分析的样品瓶和镊子

薄层色谱法（TLC）的实验室装置，包含展开槽、样品溶液瓶、毛细管及已点样待分析的薄层色谱板

ID:1834527368 薄层色谱法（TLC）的实验室装置，包含展开槽、样品溶液瓶、毛细管及已点样待分析的薄层色谱板

A scientist applies sample solution onto a Thin Layer Chromatography (TLC) plate using a capillary tube for laboratory analysis and separation.

ID:1834527358 A scientist applies sample solution onto a Thin Layer Chromatography (TLC) plate using a capillary tube for laboratory analysis and separation.

一位科学家手持装有精确10毫升溶剂的量筒，准备薄层色谱（TLC）分析用的流动相。

ID:1834527352 一位科学家手持装有精确10毫升溶剂的量筒，准备薄层色谱（TLC）分析用的流动相。

一位科学家将溶剂从量筒倒入展开槽，为薄层色谱（TLC）分析制备流动相。

ID:1834527340 一位科学家将溶剂从量筒倒入展开槽，为薄层色谱（TLC）分析制备流动相。

一位科学家用玻璃盖盖住薄层色谱（TLC）展开槽，以确保展开室饱和并启动化学分离过程。

ID:1834527324 一位科学家用玻璃盖盖住薄层色谱（TLC）展开槽，以确保展开室饱和并启动化学分离过程。

A scientist uses forceps to immerse a spotted Thin Layer Chromatography (TLC) plate into a developing tank containing mobile phase solvent for chemical separation analysis.

ID:1834527312 A scientist uses forceps to immerse a spotted Thin Layer Chromatography (TLC) plate into a developing tank containing mobile phase solvent for chemical separation analysis.

实验室中特写镜头，科学家使用微量移液器进行微孔板体外细胞生物测定的样本制备。医学、药学、生物化学研究。

ID:551174240 实验室中特写镜头，科学家使用微量移液器进行微孔板体外细胞生物测定的样本制备。医学、药学、生物化学研究。

A scientist wearing blue gloves holds a glass dish containing a brown freeze-dried extract produced using freeze-drying technology used for herbal, botanical, and food extracts.

ID:1817043507 A scientist wearing blue gloves holds a glass dish containing a brown freeze-dried extract produced using freeze-drying technology used for herbal, botanical, and food extracts.

A scientist’s hand holds a gray rubber stopper or vials cap used for sealing sample vials, with additional gray rubber stoppers softly blurred in the background.

ID:1819865698 A scientist’s hand holds a gray rubber stopper or vials cap used for sealing sample vials, with additional gray rubber stoppers softly blurred in the background.

A scientist’s hand holds an aluminum vial cap used in laboratory sample preparation, with additional aluminum caps blurred in the background.

ID:1819865664 A scientist’s hand holds an aluminum vial cap used in laboratory sample preparation, with additional aluminum caps blurred in the background.

Scientist Cutting Aluminum-Backed Thin Layer Chromatography (TLC) Plate with Cutter and Ruler for Chemical Analysis.

ID:1819857531 Scientist Cutting Aluminum-Backed Thin Layer Chromatography (TLC) Plate with Cutter and Ruler for Chemical Analysis.

Top view of an aluminum-backed Thin Layer Chromatography (TLC) plate, ruler and a Cutter Knife on a white background.

ID:1819857473 Top view of an aluminum-backed Thin Layer Chromatography (TLC) plate, ruler and a Cutter Knife on a white background.

Closeup of researcher's hand showing the reverse side of Thin Layer Chromatography (TLC) sheet. The image reveals the shiny aluminum foil backing which acts as support for the silica gel layer.

ID:1819857365 Closeup of researcher's hand showing the reverse side of Thin Layer Chromatography (TLC) sheet. The image reveals the shiny aluminum foil backing which acts as support for the silica gel layer.

Closeup of researcher's hand holding blank Thin Layer Chromatography (TLC) plate. The image focuses on the white surface coated with silica gel adsorbent, used for separating chemical compounds.

ID:1819857315 Closeup of researcher's hand holding blank Thin Layer Chromatography (TLC) plate. The image focuses on the white surface coated with silica gel adsorbent, used for separating chemical compounds.

A closeup view of bulk aluminum crimp caps used for sealing glass autosampler vials.

ID:1817043293 A closeup view of bulk aluminum crimp caps used for sealing glass autosampler vials.

scientist's hand using a manual vial crimper tool to seal an aluminum cap onto a glass autosampler vial containing a green liquid sample. A step in sample preparation for gas chromatography (GC).

ID:1817043269 scientist's hand using a manual vial crimper tool to seal an aluminum cap onto a glass autosampler vial containing a green liquid sample. A step in sample preparation for gas chromatography (GC).

Closeup of scientist's hand holding a glass sample vial sealed with rubber septum and aluminum crimp cap for sample preparation in laboratory.

ID:1817043147 Closeup of scientist's hand holding a glass sample vial sealed with rubber septum and aluminum crimp cap for sample preparation in laboratory.

Closeup of a scientist's hand holding a glass sample vial sealed with a rubber septum, preparing a liquid sample for analysis in a laboratory.

ID:1817043095 Closeup of a scientist's hand holding a glass sample vial sealed with a rubber septum, preparing a liquid sample for analysis in a laboratory.

Close-up view of a scientist's hand holding a manual vial crimper, clearly showing the crimping head for sealing aluminum caps onto glass autosampler vials in a laboratory.

ID:1817043038 Close-up view of a scientist's hand holding a manual vial crimper, clearly showing the crimping head for sealing aluminum caps onto glass autosampler vials in a laboratory.

A scientist's hand holds a manual vial crimper used to seal aluminum caps onto glass autosampler vials in the laboratory.

ID:1817043001 A scientist's hand holds a manual vial crimper used to seal aluminum caps onto glass autosampler vials in the laboratory.

A glass autosampler vial with a rubber septum and aluminum cap is arranged alongside a manual crimping tool, ready for sealing laboratory samples.

ID:1817042955 A glass autosampler vial with a rubber septum and aluminum cap is arranged alongside a manual crimping tool, ready for sealing laboratory samples.

A manual vial crimper tool used to seal aluminum caps onto glass autosampler vials. Essential equipment for securing samples prior to chromatography analysis in a laboratory.

ID:1817042937 A manual vial crimper tool used to seal aluminum caps onto glass autosampler vials. Essential equipment for securing samples prior to chromatography analysis in a laboratory.

A scientist's hand grips a glass autosampler vial as a liquid sample is filtered through a microsyringe fitted with a filter membrane, removing particulates before HPLC or LC-MS analysis.

ID:1817042881 A scientist's hand grips a glass autosampler vial as a liquid sample is filtered through a microsyringe fitted with a filter membrane, removing particulates before HPLC or LC-MS analysis.

A scientist's hand in a blue glove holds a manual HPLC injection valve. The view shows the LOAD and INJECT positions and the sample entry port for high performance liquid chromatography.

ID:1800127750 A scientist's hand in a blue glove holds a manual HPLC injection valve. The view shows the LOAD and INJECT positions and the sample entry port for high performance liquid chromatography.

scientist's hand in a blue glove holds a 6-port manual HPLC injector. A close-up showing the connection ports for high performance liquid chromatography assembly or maintenance on white background.

ID:1800127654 scientist's hand in a blue glove holds a 6-port manual HPLC injector. A close-up showing the connection ports for high performance liquid chromatography assembly or maintenance on white background.

A scientist's hands in blue gloves connect a stainless steel capillary fitting to an HPLC column for liquid chromatography analysis in a science lab on a white background.

ID:1800127067 A scientist's hands in blue gloves connect a stainless steel capillary fitting to an HPLC column for liquid chromatography analysis in a science lab on a white background.

A scientist's hand in a blue glove operates a manual HPLC injection valve, turning the switch from LOAD to INJECT for sample analysis in a high performance liquid chromatography system.

ID:1800126454 A scientist's hand in a blue glove operates a manual HPLC injection valve, turning the switch from LOAD to INJECT for sample analysis in a high performance liquid chromatography system.

A scientist in blue gloves installs a 20 µL sample loop onto a manual HPLC injector valve. Close-up of component assembly for high performance liquid chromatography in a science lab.

ID:1800126395 A scientist in blue gloves installs a 20 µL sample loop onto a manual HPLC injector valve. Close-up of component assembly for high performance liquid chromatography in a science lab.

A scientist's hand in a blue glove holds a manual HPLC injection valve assembled with a 20 microliter sample loop. Equipment for high performance liquid chromatography analysis in a science lab.

ID:1800126281 A scientist's hand in a blue glove holds a manual HPLC injection valve assembled with a 20 microliter sample loop. Equipment for high performance liquid chromatography analysis in a science lab.

戴着蓝色手套的科学家的手握着带有不锈钢接头的柔性PEEK管，这是医学或科学实验室中高效液相色谱（HPLC）系统的一个组件

ID:1800126275 戴着蓝色手套的科学家的手握着带有不锈钢接头的柔性PEEK管，这是医学或科学实验室中高效液相色谱（HPLC）系统的一个组件

Various HPLC spare parts, including stainless steel nuts, PEEK fingertight connectors, plugs, and a wrench. Equipment for liquid chromatography maintenance in a lab on a white background.

ID:1800126090 Various HPLC spare parts, including stainless steel nuts, PEEK fingertight connectors, plugs, and a wrench. Equipment for liquid chromatography maintenance in a lab on a white background.

Stainless steel sample loops 20 and 100 microliter for an HPLC injection valve. Precision equipment for chemical analysis in a science laboratory on a white background.

ID:1800126030 Stainless steel sample loops 20 and 100 microliter for an HPLC injection valve. Precision equipment for chemical analysis in a science laboratory on a white background.

A set of stainless steel capillaries and tubing with fittings, used for connecting components in an HPLC liquid chromatography system. Scientific equipment for a lab on white background.

ID:1800125993 A set of stainless steel capillaries and tubing with fittings, used for connecting components in an HPLC liquid chromatography system. Scientific equipment for a lab on white background.

a manual 6-port injection valve used in High-Performance Liquid Chromatography (HPLC) systems. This stainless steel scientific instrument component for chemistry, pharmaceutical, research concepts.

ID:1803573345 a manual 6-port injection valve used in High-Performance Liquid Chromatography (HPLC) systems. This stainless steel scientific instrument component for chemistry, pharmaceutical, research concepts.

Gloved hands operating a manual HPLC valve, turning the handle to the Inject position for chemical analysis.

ID:1803573327 Gloved hands operating a manual HPLC valve, turning the handle to the Inject position for chemical analysis.

科学家在实验室通风橱中使用多道移液器为微孔板（96 孔）上的体外细胞进行生物测定样品制备

ID:551174282 科学家在实验室通风橱中使用多道移液器为微孔板（96 孔）上的体外细胞进行生物测定样品制备

科学家在离心后从离心机中取出用于 DNA 研究的样本提取试管，进入下一步

ID:537354397 科学家在离心后从离心机中取出用于 DNA 研究的样本提取试管，进入下一步

女科学家检查了紫外线的分析以及样本的纳米颗粒大小，如显示器所示。背景模糊，男科学家进行样本纳米颗粒配方实验。

ID:552874920 女科学家检查了紫外线的分析以及样本的纳米颗粒大小，如显示器所示。背景模糊，男科学家进行样本纳米颗粒配方实验。

科学家男子从草药植物研究生物技术用于制药和化妆品产品开发。实验使用滴管将试剂加入圆底烧瓶以检测活性化合物。

ID:551477890 科学家男子从草药植物研究生物技术用于制药和化妆品产品开发。实验使用滴管将试剂加入圆底烧瓶以检测活性化合物。

包含正相和反相 TLC 板的薄层色谱 TLC 的图示。TLC 板用于样品溶液的研究或筛选检测。

ID:643278482 包含正相和反相 TLC 板的薄层色谱 TLC 的图示。TLC 板用于样品溶液的研究或筛选检测。

3D illustration of red blood cells on transparent background. It is used to illustrate medical, pharmacology, science and scientific education to learn about blood cells or mechanisms in the body.

ID:574645300 3D illustration of red blood cells on transparent background. It is used to illustrate medical, pharmacology, science and scientific education to learn about blood cells or mechanisms in the body.

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